@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root {
  /* Journey of Discovery — calm academic foundation with focused motivation. */
  --bg: #f7f8fc;
  --surface: #ffffff;
  --surface-soft: #f1f3f8;
  --text: #182033;
  --ink: #182033;
  --muted: #5f6b84;
  --line: #e4e8f1;
  --blue: #3157d5;
  --blue-soft: #eef2ff;
  --green: #1e9e63;
  --green-soft: #eaf8f1;
  --gold: #ffb100;
  --gold-soft: #fff6e0;
  --orange: #e67700;
  --orange-soft: #fff4e5;
  --purple: #9059ff;
  --purple-soft: #f1eaff;
  --red: #d92916;
  --red-soft: #fdecea;
  --teal: #14bf96;
  --teal-soft: #e6f9f4;
  --dark-blue: #0b2149;
  --shadow: 0 2px 8px rgba(24, 32, 51, 0.06);
  --shadow-raised: 0 10px 30px rgba(24, 32, 51, 0.1);
  --shadow-focus: 0 0 0 4px rgba(49, 87, 213, 0.18);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --side: 244px;
  --sidebar-bg: rgba(255, 255, 255, 0.92);
  --body-gradient-top: rgba(231, 240, 254, 0.85);
  --theme-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --theme-duration: 380ms;
  font-family:
    "Be Vietnam Pro", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color-scheme: light;
}

/* Daily private AMC practice generated from the learner's own mistake history. */
.amc-ai-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin: 18px 0;
  padding: 20px 22px;
  border: 2px solid color-mix(in srgb, var(--subject-color, #f59e0b) 42%, #ffffff);
  border-radius: 22px;
  background: color-mix(in srgb, var(--subject-soft, #fff7df) 78%, #ffffff);
  box-shadow: 0 12px 30px rgb(80 56 20 / 8%);
}

.amc-ai-card-icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 16px;
  background: #fff;
  color: #b45309;
  font-size: 26px;
  box-shadow: 0 6px 16px rgb(80 56 20 / 10%);
}

.amc-ai-card-copy h2 {
  margin: 4px 0 6px;
  font-size: clamp(19px, 2vw, 24px);
}

.amc-ai-card-copy p {
  max-width: 760px;
  margin: 0;
  color: var(--muted, #52606d);
  line-height: 1.55;
}

.amc-ai-card-copy .amc-ai-status {
  margin-top: 8px;
  color: var(--text, #17212b);
  font-weight: 700;
}

.amc-ai-config {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid color-mix(in srgb, var(--subject-color, #f59e0b) 24%, #ffffff);
}

.amc-ai-config[hidden] {
  display: none;
}

.amc-ai-field,
.amc-ai-count {
  display: grid;
  gap: 7px;
  min-width: 0;
  margin: 0;
}

.amc-ai-field > span,
.amc-ai-count legend {
  color: var(--text, #17212b);
  font-size: 13px;
  font-weight: 800;
}

.amc-ai-field select {
  width: 100%;
  min-height: 46px;
  padding: 0 38px 0 12px;
  border: 1px solid var(--line, #dce2ea);
  border-radius: 12px;
  background: #fff;
  color: var(--text, #17212b);
  font: inherit;
  font-size: 14px;
}

.amc-ai-field select:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.amc-ai-count {
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 0;
  padding: 0;
}

.amc-ai-count legend {
  grid-column: 1 / -1;
  margin-bottom: 7px;
}

.amc-ai-count label {
  cursor: pointer;
}

.amc-ai-count input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.amc-ai-count span {
  display: grid;
  min-height: 44px;
  place-items: center;
  border: 1px solid var(--line, #dce2ea);
  border-radius: 12px;
  background: #fff;
  color: var(--text, #17212b);
  font-size: 14px;
  font-weight: 800;
}

.amc-ai-count input:checked + span {
  border-color: var(--subject-color, #d97706);
  background: color-mix(in srgb, var(--subject-soft, #fff7df) 70%, #ffffff);
  color: #92400e;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--subject-color, #d97706) 18%, transparent);
}

.amc-ai-count input:focus-visible + span {
  box-shadow: var(--shadow-focus);
}

.amc-ai-config .amc-ai-selection-hint {
  grid-column: 1 / -1;
  color: #7c4a03;
  font-size: 13px;
  font-weight: 700;
}

.amc-ai-card > .button {
  min-width: 180px;
  min-height: 48px;
}

@media (max-width: 760px) {
  .amc-ai-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 18px;
  }

  .amc-ai-card-icon {
    display: none;
  }

  .amc-ai-card-copy {
    grid-column: 1 / -1;
  }

  .amc-ai-card > .button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .amc-ai-config {
    grid-template-columns: 1fr;
  }

  .amc-ai-count,
  .amc-ai-config .amc-ai-selection-hint {
    grid-column: 1;
  }
}

/* Cambridge English Movers — focused 13-to-15 shields lesson */
.international-english-stage {
  display: grid;
  gap: 18px;
}

.movers-home-card {
  --subject-color: #0f8f7a;
  --subject-soft: #e5f8f3;
  border-color: rgba(15, 143, 122, 0.24);
}

.movers-home-badge {
  background: #0f8f7a;
  min-width: 92px;
}

.movers-primary {
  background: #0f8f7a;
  border-color: #0f8f7a;
}

.movers-primary:hover {
  background: #0b7565;
  border-color: #0b7565;
}

/* Cambridge English Flyers — A2 bridge for children who completed Movers. */
.flyers-home-card {
  --subject-color: #167a9b;
  --subject-soft: #e7f7fb;
  border-color: rgba(22, 122, 155, 0.26);
}

.flyers-home-badge {
  min-width: 92px;
  background: #167a9b;
}

.flyers-primary {
  background: #167a9b;
  border-color: #167a9b;
}

.flyers-primary:hover:not(:disabled),
.flyers-primary:focus-visible:not(:disabled) {
  background: #0f637e;
  border-color: #0f637e;
}

.flyers-lesson-app {
  min-height: 100vh;
  background: #f2fbfd;
}

.flyers-lesson-shell .ket-progress-track i {
  background: #167a9b;
}

.flyers-lesson-shell .ket-skill-label,
.flyers-lesson-shell .ket-eyebrow {
  color: #115f78;
}

.flyers-hint {
  display: grid;
  justify-items: start;
  gap: 10px;
}

.flyers-hint-toggle {
  min-height: 48px;
  padding: 10px 16px;
  border: 2px solid #e5b94d;
  border-radius: 14px;
  background: #fffaf0;
  color: #75540b;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font: 800 14px/1.3 "Be Vietnam Pro", sans-serif;
  cursor: pointer;
}

.flyers-hint-toggle:hover,
.flyers-hint-toggle:focus-visible,
.flyers-hint-toggle[aria-expanded="true"] {
  border-color: #c99217;
  background: #fff4cf;
  outline: none;
}

.flyers-hint-toggle svg { width: 20px; height: 20px; color: #b67900; }

.flyers-hint-panel {
  width: 100%;
  padding: 16px 18px;
  border-left: 4px solid #e4ad2d;
  border-radius: 5px 15px 15px 5px;
  background: #fff9e8;
  color: #594817;
  display: grid;
  gap: 12px;
}

.flyers-hint-panel[hidden] { display: none; }
.flyers-hint-panel > div { display: grid; gap: 4px; }
.flyers-hint-panel strong { color: #75540b; font-size: 13px; }
.flyers-hint-panel p { font-size: 14px; line-height: 1.65; }
.flyers-hint-example { padding-top: 11px; border-top: 1px solid #efdca6; }
.flyers-hint-example p { color: #42534e; }

.flyers-written-panel {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 2px solid #b8dce7;
  border-radius: 16px;
  background: #f7fdff;
}

.flyers-written-panel label {
  color: #174f62;
  font-size: 14px;
  font-weight: 900;
}

.flyers-written-panel input,
.flyers-written-panel textarea {
  width: 100%;
  min-height: 50px;
  padding: 13px 14px;
  border: 2px solid #9bcbd9;
  border-radius: 12px;
  background: #fff;
  color: #183b45;
  font: 700 16px/1.6 "Be Vietnam Pro", sans-serif;
  resize: vertical;
}

.flyers-written-panel input:focus,
.flyers-written-panel textarea:focus {
  border-color: #167a9b;
  outline: 3px solid rgba(22, 122, 155, 0.15);
}

.flyers-written-panel small { color: #60757d; font-weight: 700; }
.flyers-written-panel .button { justify-self: start; }

.movers-lesson-app {
  min-height: 100vh;
  background: #f3fbf8;
}

.movers-lesson-shell .ket-progress-track i {
  background: #0f8f7a;
}

.movers-lesson-shell .ket-skill-label,
.movers-lesson-shell .ket-eyebrow {
  color: #087363;
}

.movers-lesson-shell .ket-answer-option.is-correct {
  border-color: #0f8f7a;
  background: #e5f8f3;
}

.movers-hint,
.ket-hint {
  display: grid;
  justify-items: start;
  gap: 10px;
}

.movers-hint-toggle,
.ket-hint-toggle {
  min-height: 48px;
  padding: 10px 16px;
  border: 2px solid #e5b94d;
  border-radius: 14px;
  background: #fffaf0;
  color: #75540b;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font: 800 14px/1.3 "Be Vietnam Pro", sans-serif;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.movers-hint-toggle:hover,
.movers-hint-toggle:focus-visible,
.movers-hint-toggle[aria-expanded="true"],
.ket-hint-toggle:hover,
.ket-hint-toggle:focus-visible,
.ket-hint-toggle[aria-expanded="true"] {
  border-color: #c99217;
  background: #fff4cf;
  outline: none;
}

.movers-hint-toggle:hover,
.ket-hint-toggle:hover { transform: translateY(-1px); }
.movers-hint-toggle svg,
.ket-hint-toggle svg { width: 20px; height: 20px; color: #b67900; }

.movers-hint-panel,
.ket-hint-panel {
  width: 100%;
  padding: 16px 18px;
  border-left: 4px solid #e4ad2d;
  border-radius: 5px 15px 15px 5px;
  background: #fff9e8;
  color: #594817;
  display: grid;
  gap: 12px;
}

.movers-hint-panel[hidden],
.ket-hint-panel[hidden] { display: none; }
.movers-hint-panel > div,
.ket-hint-panel > div { display: grid; gap: 4px; }
.movers-hint-panel strong,
.ket-hint-panel strong { color: #75540b; font-size: 13px; }
.movers-hint-panel p,
.ket-hint-panel p { font-size: 14px; line-height: 1.65; }
.movers-hint-example,
.ket-hint-example { padding-top: 11px; border-top: 1px solid #efdca6; }
.movers-hint-example p,
.ket-hint-example p { color: #42534e; }

@media (max-width: 720px) {
  .international-english-stage {
    gap: 14px;
  }

  .movers-home-badge {
    min-width: 76px;
  }

  .flyers-home-badge { min-width: 76px; }

  .flyers-hint,
  .flyers-hint-toggle { width: 100%; }

  .flyers-hint-toggle { justify-content: center; }

  .flyers-hint-panel { padding: 15px; }

  .flyers-written-panel { padding: 13px; }

  .flyers-written-panel .button { width: 100%; }

  .movers-hint,
  .movers-hint-toggle,
  .ket-hint,
  .ket-hint-toggle { width: 100%; }

  .movers-hint-toggle,
  .ket-hint-toggle { justify-content: center; }

  .movers-hint-panel,
  .ket-hint-panel { padding: 15px; }
}

/* English Word — one shared home section for the two vocabulary clubs. */
.english-word-home {
  margin-top: 18px;
  padding: clamp(18px, 2.5vw, 26px);
  border: 1px solid #d9e3ef;
  border-radius: 22px;
  background: #f7f9fd;
  display: grid;
  gap: 18px;
}

.english-word-home-heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.english-word-home-icon {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-radius: 15px;
  background: #e8efff;
  color: #415fa8;
  display: grid;
  place-items: center;
}

.english-word-home-icon svg {
  width: 25px;
  height: 25px;
}

.english-word-home-heading > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.english-word-home-heading h3 {
  color: var(--text);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.25;
}

.english-word-home-heading p {
  max-width: 760px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.english-word-clubs {
  display: grid;
  gap: 16px;
}

.english-word-clubs .simple-past-home,
.english-word-clubs .english-words-home {
  margin-top: 0;
}

/* Simple Past Memory Club — free, short spaced-repetition practice for Movers and KET. */
.simple-past-home {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid #dfe6f0;
  border-radius: 18px;
  background: #f9fbff;
  display: grid;
  gap: 18px;
}

.simple-past-home-heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.simple-past-home-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 14px;
  background: #fff4df;
  color: #d27a0a;
  display: grid;
  place-items: center;
}

.simple-past-home-icon svg {
  width: 23px;
  height: 23px;
}

.simple-past-home-heading > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.simple-past-home-eyebrow {
  color: #c56b08;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.simple-past-home-heading h3 {
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
}

.simple-past-home-heading p {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.simple-past-home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.simple-past-home-grid.is-single {
  grid-template-columns: minmax(0, 1fr);
}

.simple-past-home-grid.is-single .simple-past-home-card {
  max-width: 520px;
}

.simple-past-home-card {
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--past-color), #ffffff 70%);
  border-radius: 16px;
  background: #ffffff;
  display: grid;
  gap: 11px;
}

.simple-past-home-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.simple-past-level,
.simple-past-free {
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 900;
  white-space: nowrap;
}

.simple-past-level {
  background: var(--past-soft);
  color: var(--past-color);
}

.simple-past-free {
  border: 1px solid #b9e8d0;
  background: #eaf8f1;
  color: #147a4b;
}

.simple-past-home-card h4 {
  color: var(--text);
  font-size: 18px;
  font-weight: 900;
}

.simple-past-home-card > p {
  min-height: 40px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.55;
}

.simple-past-home-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.simple-past-home-stats span {
  min-height: 32px;
  padding: 6px 9px;
  border-radius: 10px;
  background: #f4f6fa;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.simple-past-home-stats strong {
  color: var(--text);
  font-size: 12px;
  font-weight: 900;
}

.simple-past-home-progress,
.simple-past-progress {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e4e9f2;
}

.simple-past-home-progress i,
.simple-past-progress i {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--past-color);
  display: block;
  transition: width 220ms ease;
}

.simple-past-start,
.simple-past-primary {
  min-height: 48px;
  border-color: var(--past-color);
  background: var(--past-color);
  color: #ffffff;
  font-weight: 850;
}

.simple-past-start:hover,
.simple-past-start:focus-visible,
.simple-past-primary:hover,
.simple-past-primary:focus-visible {
  border-color: color-mix(in srgb, var(--past-color), #000000 15%);
  background: color-mix(in srgb, var(--past-color), #000000 15%);
  color: #ffffff;
}

.simple-past-app {
  min-height: 100vh;
  background: #f4f7fc;
}

.simple-past-shell {
  width: min(100%, 980px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px 24px 52px;
  display: grid;
  align-content: start;
}

.simple-past-topbar {
  min-height: 64px;
  padding-bottom: 14px;
  border-bottom: 1px solid #dfe5ef;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.simple-past-topbar > span:nth-child(2) {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.simple-past-topbar > span:nth-child(2) b {
  color: var(--past-color);
  font-weight: 900;
}

.simple-past-topbar .simple-past-free {
  justify-self: end;
}

.simple-past-back {
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  justify-self: start;
  font: 800 13px/1.3 "Be Vietnam Pro", sans-serif;
  cursor: pointer;
}

.simple-past-back:hover,
.simple-past-back:focus-visible {
  color: var(--past-color);
  outline: none;
}

.simple-past-back svg {
  width: 18px;
  height: 18px;
}

.simple-past-step-row {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.simple-past-step-row span:last-child {
  color: var(--past-color);
}

.simple-past-progress {
  margin-top: 9px;
}

.simple-past-card,
.simple-past-result {
  width: min(100%, 720px);
  margin: 28px auto 0;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid color-mix(in srgb, var(--past-color), #ffffff 70%);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 48px rgba(29, 43, 72, 0.08);
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.simple-past-card {
  min-height: 430px;
  align-content: center;
}

.simple-past-kicker {
  color: var(--past-color);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.simple-past-card h1 {
  color: var(--text);
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.simple-past-meaning {
  color: var(--muted);
  font-size: 16px;
  font-weight: 700;
}

.simple-past-memory-dots {
  display: flex;
  gap: 8px;
}

.simple-past-memory-dots i {
  width: 13px;
  height: 13px;
  border: 2px solid color-mix(in srgb, var(--past-color), #ffffff 48%);
  border-radius: 50%;
  background: #ffffff;
}

.simple-past-memory-dots i.is-filled {
  background: var(--past-color);
}

.simple-past-card .button,
.simple-past-result .button {
  width: min(100%, 340px);
}

.simple-past-pair {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1.1;
}

.simple-past-pair span {
  color: var(--muted);
  font-weight: 800;
}

.simple-past-pair strong {
  color: var(--past-color);
  font-weight: 900;
}

.simple-past-pair i {
  color: #9aa5bb;
  display: grid;
  place-items: center;
}

.simple-past-pair svg {
  width: 28px;
  height: 28px;
}

.simple-past-card blockquote {
  width: min(100%, 560px);
  margin: 0;
  padding: 16px 18px;
  border-left: 4px solid var(--past-color);
  border-radius: 6px 14px 14px 6px;
  background: var(--past-soft);
  color: var(--text);
  font-size: 15px;
  font-style: normal;
  font-weight: 700;
  line-height: 1.6;
  text-align: left;
}

.simple-past-question {
  color: var(--text);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  line-height: 1.45;
}

.simple-past-question strong {
  color: var(--past-color);
  font-weight: 900;
}

.simple-past-options {
  width: min(100%, 560px);
  display: grid;
  gap: 11px;
}

.simple-past-option {
  min-height: 58px;
  padding: 10px 14px;
  border: 2px solid #dfe5ef;
  border-radius: 15px;
  background: #ffffff;
  color: var(--text);
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  font: 850 16px/1.3 "Be Vietnam Pro", sans-serif;
  text-align: left;
  cursor: pointer;
}

.simple-past-option:hover,
.simple-past-option:focus-visible,
.simple-past-option.is-selected {
  border-color: var(--past-color);
  background: var(--past-soft);
  outline: none;
}

.simple-past-option b {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #eef1f7;
  display: grid;
  place-items: center;
  font-size: 12px;
}

.simple-past-option.is-correct {
  border-color: #1e9e63;
  background: #eaf8f1;
}

.simple-past-option.is-wrong {
  border-color: #df5c4a;
  background: #fff0ed;
}

.simple-past-feedback {
  width: min(100%, 560px);
  padding: 15px 17px;
  border-radius: 15px;
  display: grid;
  gap: 5px;
  text-align: left;
}

.simple-past-feedback.is-correct {
  background: #eaf8f1;
  color: #146c46;
}

.simple-past-feedback.is-wrong {
  background: #fff3e5;
  color: #8c550e;
}

.simple-past-feedback strong {
  font-size: 14px;
  font-weight: 900;
}

.simple-past-feedback p {
  font-size: 12px;
  font-weight: 650;
  line-height: 1.55;
}

.simple-past-teacher-note {
  width: min(100%, 720px);
  margin: 16px auto 0;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.5;
  text-align: center;
}

.simple-past-teacher-note svg {
  width: 17px;
  height: 17px;
  color: #d27a0a;
}

.simple-past-result {
  margin-top: 48px;
}

.simple-past-result-icon {
  width: 76px;
  height: 76px;
  border-radius: 22px;
  background: var(--past-soft);
  color: var(--past-color);
  display: grid;
  place-items: center;
}

.simple-past-result-icon svg {
  width: 38px;
  height: 38px;
}

.simple-past-result h1 {
  color: var(--text);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 900;
  line-height: 1.25;
}

.simple-past-result > p:not(.simple-past-kicker) {
  max-width: 570px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.65;
}

.simple-past-result-stats {
  width: min(100%, 520px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.simple-past-result-stats span {
  padding: 13px 8px;
  border-radius: 14px;
  background: #f4f6fa;
  display: grid;
  gap: 3px;
}

.simple-past-result-stats strong {
  color: var(--past-color);
  font-size: 22px;
  font-weight: 900;
}

.simple-past-result-stats small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

@media (max-width: 720px) {
  .english-word-home {
    padding: 14px;
    border-radius: 18px;
  }

  .english-word-home-heading {
    padding: 4px 2px 0;
  }

  .simple-past-home {
    padding: 16px;
    border-radius: 16px;
  }

  .simple-past-home-heading {
    align-items: center;
  }

  .simple-past-home-grid {
    grid-template-columns: 1fr;
  }

  .simple-past-home-card > p {
    min-height: 0;
  }

  .simple-past-shell {
    padding: 14px 16px 92px;
  }

  .simple-past-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .simple-past-topbar > span:nth-child(2) {
    display: none;
  }

  .simple-past-card,
  .simple-past-result {
    margin-top: 20px;
    padding: 24px 18px;
    border-radius: 20px;
  }

  .simple-past-card {
    min-height: 450px;
  }

  .simple-past-result {
    min-height: 0;
  }

  .simple-past-card h1 {
    font-size: 46px;
  }

  .simple-past-pair {
    font-size: 32px;
  }

  .simple-past-question {
    font-size: 22px;
  }
}

@media (max-width: 420px) {
  .english-word-home-heading {
    align-items: flex-start;
  }

  .english-word-home-icon {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .english-word-home-heading h3 {
    font-size: 21px;
  }

  .simple-past-home-heading {
    align-items: flex-start;
  }

  .simple-past-home-icon {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .simple-past-home-heading h3 {
    font-size: 18px;
  }

  .simple-past-home-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .simple-past-home-stats span {
    padding-inline: 6px;
    text-align: center;
  }

  .simple-past-result-stats {
    gap: 7px;
  }
}

/* Authenticated subject switcher */
.subject-switcher-shell {
  position: relative;
  z-index: 72;
  min-width: 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: 0 8px 22px rgba(31, 41, 55, 0.05);
}

.subject-switcher-shell[hidden] {
  display: none;
}

.standalone-subject-page,
.standalone-subject-main {
  min-width: 0;
}

.standalone-subject-page {
  min-height: 100vh;
}

.subject-switcher-inner {
  position: relative;
  width: 100%;
  max-width: 1500px;
  min-height: 76px;
  margin: 0 auto;
  padding: 12px clamp(20px, 4vw, 52px);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

.subject-switcher-context {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
}

.subject-switcher-context > span {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  color: var(--blue);
}

.subject-switcher-context svg {
  width: 21px;
  height: 21px;
}

.subject-switcher-context div {
  display: grid;
  gap: 2px;
}

.subject-switcher-context strong {
  font-size: 15px;
}

.subject-switcher-context small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.subject-switcher-trigger {
  width: min(410px, 54vw);
  min-height: 52px;
  padding: 7px 12px 7px 16px;
  border: 1px solid color-mix(in srgb, var(--blue) 28%, var(--line));
  border-radius: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 22px;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 6px 16px rgba(49, 87, 213, 0.08);
  text-align: left;
  cursor: pointer;
}

.subject-switcher-trigger:hover,
.subject-switcher-trigger:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 12%, transparent);
}

.subject-switcher-trigger > span {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.subject-switcher-trigger small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.subject-switcher-trigger strong {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.subject-switcher-trigger b {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 11px;
  white-space: nowrap;
}

.subject-switcher-trigger > svg {
  width: 18px;
  height: 18px;
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.subject-switcher-trigger[aria-expanded="true"] > svg {
  transform: rotate(-90deg);
}

.subject-switcher-backdrop {
  position: fixed;
  z-index: 0;
  inset: 0;
  border: 0;
  background: rgba(15, 23, 42, 0.36);
  cursor: default;
}

.subject-switcher-panel {
  position: absolute;
  z-index: 1;
  top: calc(100% + 10px);
  right: clamp(20px, 4vw, 52px);
  left: clamp(20px, 4vw, 52px);
  max-height: min(720px, calc(100vh - 106px));
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: auto;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  container-type: inline-size;
  container-name: subject-switcher;
}

.subject-switcher-panel[hidden],
.subject-switcher-backdrop[hidden] {
  display: none;
}

.subject-switcher-panel-head {
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.subject-switcher-panel-head h2 {
  margin-top: 3px;
  color: var(--ink);
  font-size: clamp(20px, 2.2vw, 27px);
}

.subject-switcher-panel-head > button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 25px;
  cursor: pointer;
}

.subject-switcher-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.subject-switcher-group {
  min-width: 0;
}

.subject-switcher-group h3 {
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.subject-switcher-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 9px;
}

.subject-switcher-item {
  min-width: 0;
  min-height: 70px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.subject-switcher-item:hover,
.subject-switcher-item:focus-visible,
.subject-switcher-item.is-active {
  border-color: var(--switcher-subject);
  background: color-mix(in srgb, var(--switcher-soft) 68%, var(--surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--switcher-subject) 10%, transparent);
}

.subject-switcher-item-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--switcher-soft);
  color: var(--switcher-subject);
}

.subject-switcher-item-icon svg {
  width: 20px;
  height: 20px;
}

.subject-switcher-item-copy {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.subject-switcher-item-copy strong {
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: break-word;
  white-space: normal;
}

.subject-switcher-progress-track {
  height: 5px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--switcher-subject) 15%, var(--surface-soft));
}

.subject-switcher-progress-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--switcher-subject);
}

.subject-switcher-percent {
  color: var(--switcher-subject);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

body.has-subject-switcher-open {
  overflow: hidden;
}

@container subject-switcher (min-width: 520px) {
  .subject-switcher-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@container subject-switcher (min-width: 740px) {
  .subject-switcher-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@container subject-switcher (min-width: 980px) {
  .subject-switcher-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .subject-switcher-shell {
    z-index: 70;
  }

  .subject-switcher-inner {
    min-height: 70px;
    padding: 9px 14px;
  }

  .subject-switcher-context {
    display: none;
  }

  .subject-switcher-trigger {
    width: 100%;
    min-height: 52px;
  }

  .subject-switcher-panel {
    position: fixed;
    top: 70px;
    right: 10px;
    bottom: calc(78px + env(safe-area-inset-bottom));
    left: 10px;
    max-height: none;
    padding: 18px 14px;
    border-radius: 22px;
  }

  .subject-switcher-groups {
    gap: 20px;
  }

  .subject-switcher-item {
    min-height: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .subject-switcher-trigger > svg {
    transition: none;
  }
}

/* English Words Club — Science and History & Geography in short learning packs. */
.english-words-home {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid #cfe7e2;
  border-radius: 18px;
  background: #f2faf8;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(480px, 1.15fr);
  align-items: center;
  gap: 20px;
}

.english-words-home-copy {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.english-words-home-copy > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.english-words-home-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 14px;
  background: #dff4ef;
  color: #087f73;
  display: grid;
  place-items: center;
}

.english-words-home-icon svg {
  width: 24px;
  height: 24px;
}

.english-words-eyebrow {
  color: #087f73;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.english-words-home h3 {
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
}

.english-words-home p {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.english-words-home-card {
  padding: 16px;
  border: 1px solid #d9ebe7;
  border-radius: 16px;
  background: #ffffff;
  display: grid;
  gap: 12px;
}

.english-words-course-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.english-words-course-title {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.english-words-course-title > span {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 11px;
  background: var(--course-soft, #e5f7f3);
  display: grid;
  place-items: center;
  font-size: 20px;
}

.english-words-course-title > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.english-words-course-title strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 900;
}

.english-words-course-title small,
.english-words-total {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.english-words-total {
  grid-column: 1 / -1;
  margin: 0;
  text-align: right;
}

.english-words-home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.english-words-home-stats span {
  min-width: 0;
  padding: 9px 6px;
  border-radius: 11px;
  background: #f0f7f5;
  display: grid;
  gap: 2px;
  text-align: center;
}

.english-words-home-stats strong {
  color: var(--course-color, #087f73);
  font-size: 17px;
  font-weight: 900;
}

.english-words-home-stats small {
  overflow: hidden;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.english-words-progress {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfeae8;
}

.english-words-progress i {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--course-color, var(--past-color, #087f73));
  display: block;
  transition: width 220ms ease;
}

.english-words-primary {
  min-height: 48px;
  border-color: var(--course-color, var(--past-color, #087f73));
  background: var(--course-color, var(--past-color, #087f73));
  color: #ffffff;
  font-weight: 850;
}

.english-words-primary:hover,
.english-words-primary:focus-visible {
  border-color: color-mix(in srgb, var(--course-color, var(--past-color, #087f73)) 82%, #000000);
  background: color-mix(in srgb, var(--course-color, var(--past-color, #087f73)) 82%, #000000);
  color: #ffffff;
}

.english-words-all-packs {
  min-height: 36px;
  border: 0;
  background: transparent;
  color: #087f73;
  font: 800 11px/1.3 "Be Vietnam Pro", sans-serif;
  cursor: pointer;
}

.english-words-all-packs:hover,
.english-words-all-packs:focus-visible {
  text-decoration: underline;
  outline: none;
}

.english-words-app {
  min-height: 100vh;
  background: #f3f8f7;
}

.english-words-shell {
  width: min(100%, 1040px);
}

.english-words-course-hero {
  grid-template-columns: 1fr;
}

.english-words-course-picker {
  width: min(100%, 820px);
  margin: 18px auto 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.english-words-course-choice {
  min-height: 164px;
  padding: 22px;
  border: 1px solid color-mix(in srgb, var(--course-color) 22%, #dce7e4);
  border-radius: 20px;
  background: #ffffff;
  color: var(--text);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 12px 32px rgba(18, 75, 67, 0.06);
}

.english-words-course-choice:hover,
.english-words-course-choice:focus-visible {
  border-color: var(--course-color);
  outline: none;
  transform: translateY(-2px);
}

.english-words-course-choice-icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: var(--course-soft);
  display: grid;
  place-items: center;
  font-size: 27px;
}

.english-words-course-choice > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.english-words-course-choice b {
  font-size: 17px;
  font-weight: 900;
}

.english-words-course-choice small,
.english-words-course-choice em {
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 650;
  line-height: 1.45;
}

.english-words-course-choice em {
  color: var(--course-color);
  font-weight: 850;
}

.english-words-course-choice > svg {
  width: 18px;
  color: var(--course-color);
}

.english-words-dashboard-hero {
  width: min(100%, 820px);
  margin: 28px auto 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid #cfe7e2;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 48px rgba(18, 75, 67, 0.07);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px 24px;
}

.english-words-dashboard-hero > div:first-child {
  display: grid;
  gap: 9px;
}

.english-words-dashboard-hero h1 {
  max-width: 620px;
  color: var(--text);
  font-size: clamp(26px, 4.5vw, 40px);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.22;
}

.english-words-dashboard-hero p:not(.simple-past-kicker) {
  max-width: 650px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.65;
}

.english-words-dashboard-score {
  width: 108px;
  height: 108px;
  border: 9px solid #dff1ed;
  border-radius: 50%;
  display: grid;
  place-content: center;
  gap: 1px;
  text-align: center;
}

.english-words-dashboard-score strong {
  color: #087f73;
  font-size: 24px;
  font-weight: 900;
}

.english-words-dashboard-score span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
}

.english-words-dashboard-hero > .english-words-progress,
.english-words-dashboard-hero > .button {
  grid-column: 1 / -1;
}

.english-words-dashboard-hero > .button {
  width: min(100%, 350px);
  justify-self: center;
}

.english-words-pack-section {
  width: min(100%, 920px);
  margin: 34px auto 0;
  display: grid;
  gap: 16px;
}

.english-words-pack-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.english-words-pack-heading > div {
  display: grid;
  gap: 4px;
}

.english-words-pack-heading h2 {
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
}

.english-words-pack-heading > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.english-words-pack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}

.english-words-pack {
  min-height: 154px;
  padding: 16px;
  border: 1px solid #dce7e5;
  border-radius: 16px;
  background: #ffffff;
  color: var(--text);
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 10px;
  font-family: "Be Vietnam Pro", sans-serif;
  text-align: left;
  cursor: pointer;
}

.english-words-pack:hover,
.english-words-pack:focus-visible,
.english-words-pack.is-next {
  border-color: #5fb2a7;
  box-shadow: 0 10px 26px rgba(8, 127, 115, 0.08);
  outline: none;
}

.english-words-pack.is-next {
  background: #f4fbf9;
}

.english-words-pack > svg {
  width: 17px;
  height: 17px;
  margin-top: 4px;
  color: #8aa19d;
}

.english-words-pack-number {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #e5f7f3;
  color: #087f73;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 900;
}

.english-words-pack-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.english-words-pack-copy strong {
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

.english-words-pack-copy small {
  min-height: 44px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.45;
}

.english-words-pack-copy i {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eeed;
}

.english-words-pack-copy i b {
  height: 100%;
  border-radius: inherit;
  background: #087f73;
  display: block;
}

.english-words-pack-copy em {
  color: #48716b;
  font-size: 9px;
  font-style: normal;
  font-weight: 750;
}

.english-words-card h1 {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: clamp(34px, 6vw, 58px);
}

.english-words-card blockquote {
  display: grid;
  gap: 5px;
}

.english-words-card blockquote strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
}

.english-words-card blockquote span,
.english-words-card .simple-past-feedback span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.english-words-audio-gate,
.simple-past-audio-gate {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.english-words-audio-gate.is-ready,
.simple-past-audio-gate.is-ready {
  color: #087f5b;
}

.english-words-audio-gate.is-ready svg,
.simple-past-audio-gate.is-ready svg {
  width: 14px;
  height: 14px;
  margin-right: 4px;
  vertical-align: -2px;
}

.english-words-audio-gate.is-error,
.simple-past-audio-gate.is-error {
  color: #a15c00;
}

.english-words-result {
  min-height: 0;
}

@media (max-width: 820px) {
  .english-words-home {
    grid-template-columns: 1fr;
  }

  .english-words-course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .english-words-pack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .english-words-home {
    padding: 16px;
    border-radius: 16px;
  }

  .english-words-home-copy {
    align-items: flex-start;
  }

  .english-words-course-grid,
  .english-words-course-picker {
    grid-template-columns: 1fr;
  }

  .english-words-course-picker {
    margin-top: 14px;
  }

  .english-words-course-choice {
    min-height: 132px;
    padding: 18px;
  }

  .english-words-dashboard-hero {
    grid-template-columns: 1fr;
    margin-top: 20px;
    padding: 24px 18px;
    border-radius: 20px;
    text-align: center;
  }

  .english-words-dashboard-hero > div:first-child {
    justify-items: center;
  }

  .english-words-dashboard-score {
    width: 92px;
    height: 92px;
    justify-self: center;
  }

  .english-words-pack-grid {
    grid-template-columns: 1fr;
  }

  .english-words-pack {
    min-height: 136px;
  }

  .english-words-pack-copy small {
    min-height: 0;
  }

  .english-words-pack-heading {
    align-items: start;
  }
}

@media (max-width: 420px) {
  .english-words-home-icon {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  .english-words-home h3 {
    font-size: 18px;
  }

  .english-words-home-stats small {
    font-size: 8px;
  }
}

/* Mobile: keep one visual level for each tappable course card. */
@media (max-width: 720px) {
  body .home-course-library {
    padding-inline: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .home-course-library .home-learning-groups .learning-group--english {
    padding-inline: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .english-word-home {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .english-word-home-heading {
    padding: 16px;
    border-radius: 16px;
    background: #f2f6ff;
  }

  .english-word-clubs {
    gap: 28px;
  }

  .english-word-clubs .simple-past-home,
  .english-word-clubs .english-words-home {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .english-word-clubs .simple-past-home-heading,
  .english-word-clubs .english-words-home-copy {
    padding-inline: 2px;
  }
}

/* World-class product shell — one clear destination and one clear daily action. */
.nav-library {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.nav-library-label {
  margin: 0 14px 4px;
  color: #75809a;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.sidebar-feedback-link {
  min-height: 36px;
  padding: 0;
  background: transparent;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.sidebar-feedback-link:hover,
.sidebar-feedback-link:focus-visible {
  color: var(--blue);
}

.sidebar-feedback-link svg {
  width: 17px;
  height: 17px;
}

.today-topbar {
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.today-week-chip {
  width: 202px;
  min-height: 66px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 5px 10px;
}

.today-week-chip-icon {
  width: 38px;
  height: 38px;
  grid-row: 1;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
}

.today-week-chip-icon svg {
  width: 19px;
  height: 19px;
}

.today-week-chip-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.today-week-chip-copy span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
}

.today-week-chip-copy strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.25;
  white-space: nowrap;
}

.today-week-chip-progress {
  height: 5px;
  grid-column: 1 / -1;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: #e9ecf3;
}

.today-week-chip-progress i {
  display: block;
  width: var(--week-progress);
  height: 100%;
  border-radius: inherit;
  background: var(--blue);
  transition: width 300ms ease;
}

.today-greeting {
  min-width: 0;
}

.today-kicker,
.today-mission-eyebrow,
.today-support-label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}

.today-greeting h1 {
  max-width: 760px;
  margin-top: 5px;
  color: var(--ink);
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.today-greeting p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.today-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.72fr);
  gap: 20px;
  align-items: stretch;
}

.today-mission-card,
.today-week-card,
.today-support-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.today-mission-card {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border-color: #d8e0fa;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 88% 10%, rgba(49, 87, 213, 0.09) 0 95px, transparent 96px),
    linear-gradient(135deg, #ffffff 0%, #fbfcff 58%, #f1f4ff 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: clamp(26px, 3.2vw, 42px);
}

.today-mission-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.today-mission-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.today-mission-eyebrow svg {
  width: 20px;
  height: 20px;
}

.today-mission-copy h2 {
  max-width: 650px;
  margin-top: 12px;
  color: var(--ink);
  font-size: clamp(27px, 3.2vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.today-mission-copy > p {
  max-width: 620px;
  margin-top: 13px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.62;
}

.today-mission-meta {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.today-mission-meta span {
  min-height: 36px;
  padding: 0 11px;
  border: 1px solid #e2e7f5;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.88);
  color: #44506a;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
}

.today-mission-meta svg {
  width: 16px;
  height: 16px;
  color: var(--blue);
}

.today-mission-activity {
  margin-top: 20px;
  display: grid;
  gap: 3px;
}

.today-mission-activity strong {
  color: var(--ink);
  font-size: 13px;
}

.today-mission-activity span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.today-mission-cta {
  min-height: 54px;
  margin-top: auto;
  padding-inline: 24px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 22px rgba(49, 87, 213, 0.22);
  font-size: 15px;
}

.today-week-card {
  min-height: 410px;
  padding: 24px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
}

.today-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.today-card-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
}

.today-card-icon svg {
  width: 22px;
  height: 22px;
}

.today-card-head div {
  display: grid;
  gap: 2px;
}

.today-card-head div span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.today-card-head div strong {
  color: var(--ink);
  font-size: 21px;
}

.week-progress {
  height: 10px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: #e9ecf3;
}

.week-progress i {
  display: block;
  width: var(--week-progress);
  height: 100%;
  border-radius: inherit;
  background: var(--blue);
  transition: width 300ms ease;
}

.week-days {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.week-days span {
  display: grid;
  justify-items: center;
  gap: 7px;
}

.week-days b {
  color: var(--muted);
  font-size: 10px;
}

.week-days i {
  width: 27px;
  height: 27px;
  border: 2px solid #dfe4ed;
  border-radius: 50%;
  background: #fff;
  color: #fff;
  display: grid;
  place-items: center;
}

.week-days i svg {
  width: 14px;
  height: 14px;
}

.week-days .is-done i {
  border-color: var(--green);
  background: var(--green);
}

.week-days .is-today i {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(49, 87, 213, 0.1);
}

.today-week-card > p {
  margin-top: auto;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.rest-day-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.today-support-card {
  min-height: 248px;
  padding: 22px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.today-card-icon.is-warning {
  background: #fff5df;
  color: #b8730f;
}

.today-card-icon.is-journey {
  background: #eaf8f1;
  color: #138153;
}

.today-card-icon.is-parent {
  background: #f3edff;
  color: #7248b8;
}

.today-support-card > div {
  margin-top: 15px;
}

.today-support-card h2 {
  margin-top: 4px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.35;
}

.today-support-card p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.today-support-card .button {
  min-height: 42px;
  margin-top: auto;
  padding-inline: 14px;
}

.parent-learning-map {
  min-width: 0;
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(248, 250, 255, 0.88), rgba(255, 255, 255, 0.98)),
    var(--surface);
}

.parent-learning-map-head {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
}

.parent-learning-map-head > div {
  min-width: 0;
}

.parent-learning-map-head h2 {
  margin-top: 2px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.parent-learning-map-link {
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--blue) 20%, var(--line));
  border-radius: 50%;
  background: var(--surface);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.parent-learning-map-link svg {
  width: 15px;
  height: 15px;
}

.parent-learning-map-link:hover,
.parent-learning-map-link:focus-visible {
  background: var(--blue-soft);
  color: #2448bd;
}

.parent-learning-map-list {
  width: 100%;
  margin: 15px 0 0;
  padding: 0;
  display: grid;
  list-style: none;
}

.parent-learning-map-stage {
  --map-color: #3157d5;
  --map-soft: #eef2ff;
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: stretch;
}

.parent-learning-map-stage.is-english {
  --map-color: #7043dc;
  --map-soft: #f1ecff;
}

.parent-learning-map-stage.is-sasmo {
  --map-color: #0f927c;
  --map-soft: #e9f8f4;
}

.parent-learning-map-stage.is-amc {
  --map-color: #2779c9;
  --map-soft: #eaf3fc;
}

.parent-learning-map-stage.is-tdn {
  --map-color: #df7808;
  --map-soft: #fff3e5;
}

.parent-learning-map-rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.parent-learning-map-node {
  position: relative;
  z-index: 1;
  width: 35px;
  height: 35px;
  flex: 0 0 auto;
  border: 4px solid var(--surface);
  border-radius: 50%;
  background: var(--map-color);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 0 color-mix(in srgb, var(--map-color), #17213d 28%);
}

.parent-learning-map-node svg {
  width: 17px;
  height: 17px;
}

.parent-learning-map-line {
  position: absolute;
  top: 34px;
  bottom: -3px;
  width: 5px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--map-color) 44%, #dce3ee);
}

.parent-learning-map-copy {
  width: calc(100% - 4px);
  min-width: 0;
  margin: 0 0 8px 4px;
  padding: 9px 10px 10px;
  border: 1px solid color-mix(in srgb, var(--map-color) 19%, var(--line));
  border-radius: 13px;
  background: var(--map-soft);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.parent-learning-map-copy:hover,
.parent-learning-map-copy:focus-visible {
  border-color: color-mix(in srgb, var(--map-color) 52%, var(--line));
  box-shadow: 0 5px 12px color-mix(in srgb, var(--map-color) 15%, transparent);
  transform: translateY(-1px);
  outline: none;
}

.parent-learning-map-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
}

.parent-learning-map-meta span,
.parent-learning-map-meta strong {
  font-size: 10px;
  font-weight: 800;
  line-height: 1.25;
}

.parent-learning-map-meta span {
  color: var(--muted);
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.parent-learning-map-meta strong {
  color: var(--map-color);
  white-space: nowrap;
}

.parent-learning-map-copy h3 {
  margin-top: 4px;
  overflow: hidden;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.parent-learning-map-copy h3 span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.parent-learning-map-copy h3 svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: var(--map-color);
}

.parent-learning-map-progress {
  height: 5px;
  margin-top: 7px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--map-color) 14%, #fff);
}

.parent-learning-map-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--map-color);
}

[data-theme="dark"] .parent-learning-map {
  background:
    linear-gradient(180deg, rgba(49, 87, 213, 0.08), transparent),
    var(--surface);
}

[data-theme="dark"] .parent-learning-map-copy {
  background: color-mix(in srgb, var(--map-color) 15%, var(--surface));
}

[data-theme="dark"] .parent-learning-map-progress {
  background: color-mix(in srgb, var(--map-color) 24%, var(--surface));
}

.home-course-library {
  margin-top: 44px;
}

.home-course-library > .learning-group,
.home-course-library .home-learning-groups .learning-group {
  box-shadow: none;
}

@media (max-width: 1180px) {
  .today-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(270px, 0.75fr);
  }

  .today-week-card,
  .today-support-card.parent-card {
    min-height: 300px;
  }

  .today-week-card > p {
    margin-top: 24px;
  }

}

@media (max-width: 860px) {
  .app-main-column {
    padding-bottom: calc(78px + env(safe-area-inset-bottom));
  }

  .sidebar {
    position: relative;
    top: auto;
    z-index: 80;
    min-height: 60px;
    height: 60px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 0 var(--line);
  }

  .sidebar-brand-wrapper {
    height: 44px;
  }

  .sidebar-toggle {
    display: none;
  }

  .sidebar-brand-wrapper .brand-mark {
    width: 40px;
    height: 40px;
  }

  .sidebar-brand-wrapper .brand-text {
    font-size: 15px;
  }

  .mobile-menu {
    position: fixed;
    z-index: 100;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(68px + env(safe-area-inset-bottom));
    padding: 7px 8px env(safe-area-inset-bottom);
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 -8px 24px rgba(24, 32, 51, 0.07);
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 2px;
    overflow: visible;
  }

  .nav-item.mobile {
    min-width: 0;
    min-height: 54px;
    padding: 4px 2px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: #75809a;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 3px;
    text-align: center;
    font-size: 10px;
    font-weight: 700;
  }

  .nav-item.mobile svg {
    width: 22px;
    height: 22px;
  }

  .nav-item.mobile.is-active {
    background: var(--blue-soft);
    color: var(--blue);
  }

  .today-topbar {
    display: block;
    margin-bottom: 18px;
  }

  .today-week-chip {
    width: min(100%, 220px);
    margin-top: 14px;
  }

  .today-greeting h1 {
    font-size: clamp(25px, 6vw, 31px);
  }

  .today-mission-card {
    grid-column: auto;
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .today-layout {
    grid-template-columns: 1fr;
  }

  .today-week-card,
  .today-support-card.parent-card {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .main {
    padding: 18px 16px 24px;
  }

  .today-greeting p {
    font-size: 12px;
  }

  .today-mission-card,
  .today-week-card,
  .today-support-card {
    border-radius: 20px;
  }

  .today-mission-card {
    padding: 22px 18px;
    gap: 20px;
  }

  .today-mission-copy h2 {
    font-size: 27px;
  }

  .today-mission-copy > p {
    font-size: 15px;
  }

  .today-mission-meta {
    display: grid;
  }

  .today-mission-meta span {
    width: 100%;
    border-radius: 12px;
  }

  .today-mission-cta {
    width: 100%;
    justify-content: center;
    margin-top: 24px;
  }

  .today-week-card {
    padding: 20px 18px;
  }

  .today-support-card,
  .today-support-card.parent-card {
    min-height: 218px;
  }

  .parent-learning-map {
    padding: 18px 16px;
  }

  .parent-learning-map-copy h3 {
    white-space: normal;
  }

  .parent-learning-map-copy h3 span {
    overflow: visible;
    text-overflow: clip;
  }

  .today-support-card.parent-card .button {
    width: 100%;
  }

  .home-course-library {
    margin-top: 32px;
  }

  .home-course-library .learning-group {
    padding: 16px;
  }
}

/* Movers exam-faithful interactions */
.movers-exam-image {
  margin: 18px 0;
  overflow: hidden;
  border: 1px solid #cbded9;
  border-radius: 18px;
  background: #f7fbfa;
  box-shadow: 0 8px 24px rgba(20, 76, 67, 0.08);
}

.movers-exam-image img {
  display: block;
  width: 100%;
  height: auto;
}

.movers-hotspot-stage {
  position: relative;
  width: min(100%, 900px);
  margin: 18px auto;
  overflow: hidden;
  border: 2px solid #b8d8d0;
  border-radius: 20px;
  background: #e9f7f3;
}

.movers-hotspot-stage > img {
  display: block;
  width: 100%;
  height: auto;
}

.movers-hotspots {
  position: absolute;
  inset: 0;
}

.movers-hotspot {
  position: absolute;
  left: var(--hotspot-x);
  top: var(--hotspot-y);
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  transform: translate(-50%, -50%);
  place-items: center;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #123f70;
  box-shadow: 0 3px 12px rgba(12, 45, 76, 0.38);
  color: #fff;
  cursor: pointer;
  font: 800 16px/1 "Be Vietnam Pro", sans-serif;
}

.movers-hotspot:hover,
.movers-hotspot:focus-visible {
  transform: translate(-50%, -50%) scale(1.12);
  outline: 3px solid #ffd76a;
}

.movers-hotspot.is-correct,
.movers-picture-option.is-correct,
.movers-colour-option.is-correct {
  border-color: #13845f;
  background: #e7f8f0;
  color: #0d6548;
}

.movers-hotspot.is-wrong,
.movers-picture-option.is-wrong,
.movers-colour-option.is-wrong {
  border-color: #c85a62;
  background: #fff0f1;
  color: #973b43;
}

.movers-picture-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.movers-picture-option {
  position: relative;
  min-width: 0;
  padding: 10px;
  border: 2px solid #c7d8e6;
  border-radius: 18px;
  background: #fff;
  cursor: pointer;
}

.movers-picture-option > span {
  position: absolute;
  z-index: 1;
  top: 8px;
  left: 8px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: #153f6d;
  color: #fff;
  font-weight: 800;
}

.movers-picture-option > i {
  display: block;
  width: 100%;
  aspect-ratio: 1.42;
  border-radius: 12px;
  background-image: var(--tile-image);
  background-repeat: no-repeat;
  background-position: calc(var(--tile-col) * 33.333%) calc(var(--tile-row) * 33.333%);
  background-size: 400% 400%;
}

.movers-colour-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
}

.movers-colour-option {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: 2px solid #c9d8e4;
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  color: #203d56;
  font: 700 14px/1.2 "Be Vietnam Pro", sans-serif;
}

.movers-colour-option > i {
  width: 28px;
  height: 28px;
  border: 2px solid rgba(0, 0, 0, 0.14);
  border-radius: 50%;
  background: var(--colour);
}

.movers-word-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
  padding: 12px;
  border-radius: 14px;
  background: #eef8f5;
}

.movers-word-bank span {
  padding: 6px 10px;
  border: 1px solid #b9d8cf;
  border-radius: 999px;
  background: #fff;
  color: #245549;
  font-weight: 700;
}

.movers-written-answer {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

.movers-recorded-audio audio {
  width: min(100%, 360px);
}

.movers-audio-limit {
  color: #9b5a1d;
  font-size: 13px;
}

.movers-written-answer input,
.movers-written-answer textarea {
  width: 100%;
  min-height: 52px;
  box-sizing: border-box;
  padding: 13px 15px;
  border: 2px solid #9abbb3;
  border-radius: 14px;
  background: #fff;
  color: #173c35;
  font: 650 17px/1.5 "Be Vietnam Pro", sans-serif;
  resize: vertical;
}

.movers-written-answer input:focus,
.movers-written-answer textarea:focus {
  border-color: #0f8f7a;
  outline: 3px solid rgba(15, 143, 122, 0.16);
}

.movers-speaking-assessment {
  display: grid;
  gap: 16px;
  margin: 18px 0;
  padding: 18px;
  border: 1px solid #c8d8e5;
  border-radius: 18px;
  background: #f8fbfd;
}

.movers-recorder {
  display: grid;
  gap: 10px;
}

.movers-recorder > span {
  color: #52677a;
  font-size: 14px;
}

.movers-recorder audio {
  width: 100%;
}

.movers-speaking-assessment fieldset {
  display: grid;
  gap: 9px;
  padding: 14px;
  border: 1px solid #d4e0e8;
  border-radius: 14px;
  background: #fff;
}

.movers-speaking-assessment legend {
  padding: 0 6px;
  color: #23475d;
  font-weight: 800;
}

.movers-speaking-assessment label {
  display: flex;
  min-height: 42px;
  align-items: flex-start;
  gap: 10px;
  padding: 8px;
  border-radius: 10px;
  color: #314f62;
  cursor: pointer;
}

.movers-speaking-assessment label:hover {
  background: #eef7f5;
}

.movers-speaking-assessment input[type="checkbox"] {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  accent-color: #0f8f7a;
}

.movers-mock-breakdown {
  display: grid;
  width: min(100%, 720px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px auto;
}

.movers-mock-breakdown > div {
  display: grid;
  gap: 5px;
  padding: 13px;
  border: 1px solid #cae0da;
  border-radius: 14px;
  background: #f4fbf8;
  text-align: center;
}

.movers-mock-breakdown span {
  color: #526c64;
  font-size: 12px;
  font-weight: 700;
}

.movers-mock-breakdown strong {
  color: #153f36;
  font-size: 21px;
}

.movers-mock-breakdown em {
  color: #0f7d69;
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.movers-readiness {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 0 18px;
  padding: 16px 18px;
  border: 1px solid #e2c76b;
  border-radius: 16px;
  background: #fff9df;
  color: #5d501b;
}

.movers-readiness.is-ready {
  border-color: #79c4ac;
  background: #eaf9f3;
  color: #185a48;
}

.movers-readiness > span {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  place-items: center;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.75);
}

.movers-readiness strong,
.movers-next-practice h2 {
  font-size: 16px;
}

.movers-readiness p,
.movers-next-practice p {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.55;
}

.movers-next-practice {
  width: min(100%, 720px);
  margin: 18px auto;
  padding: 16px;
  border: 1px solid #f0cf90;
  border-radius: 16px;
  background: #fff9ec;
  text-align: left;
}

.movers-next-practice h2 {
  margin: 0;
  color: #684814;
}

.movers-next-practice > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.movers-next-practice .button {
  min-height: 42px;
  padding: 8px 12px;
  font-size: 13px;
}

@media (max-width: 680px) {
  .movers-picture-options {
    gap: 8px;
  }

  .movers-picture-option {
    padding: 6px;
    border-radius: 12px;
  }

  .movers-picture-option > span {
    top: 4px;
    left: 4px;
    width: 25px;
    height: 25px;
    font-size: 12px;
  }

  .movers-hotspot {
    width: 34px;
    height: 34px;
    border-width: 2px;
    font-size: 13px;
  }

  .movers-speaking-assessment {
    padding: 13px;
  }

  .movers-mock-breakdown {
    grid-template-columns: 1fr;
  }

  .movers-readiness {
    padding: 14px;
  }

  .movers-next-practice > div,
  .movers-next-practice .button {
    width: 100%;
  }
}

/* Compact home course finder: one focused group at a time. */
.home-course-catalog {
  display: grid;
  gap: 16px;
}

.home-catalog-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.home-catalog-title {
  min-width: 0;
}

.home-catalog-title h2 {
  color: var(--text);
  font-size: clamp(24px, 2.6vw, 31px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.home-catalog-title p {
  max-width: 670px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}

.home-catalog-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.home-catalog-tools .subject-chooser-button {
  flex: 0 0 auto;
}

.home-catalog-search {
  position: relative;
  width: min(320px, 38vw);
  min-width: 0;
  height: 48px;
  border: 1px solid #d5dce7;
  border-radius: 14px;
  background: #fff;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 36px;
  align-items: center;
  padding: 0 6px 0 10px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.home-catalog-search:focus-within {
  border-color: #3157d5;
  box-shadow: 0 0 0 3px rgba(49, 87, 213, 0.12);
}

.home-catalog-search-icon {
  color: #68758a;
  font-size: 24px;
  line-height: 1;
  transform: rotate(-15deg);
}

.home-catalog-search input {
  width: 100%;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: 700 13px/1.4 "Be Vietnam Pro", sans-serif;
}

.home-catalog-search input::placeholder {
  color: #8994a5;
  font-weight: 600;
}

.home-catalog-search button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: #edf1f7;
  color: #526071;
  display: grid;
  place-items: center;
  cursor: pointer;
  font: 800 20px/1 "Be Vietnam Pro", sans-serif;
}

.home-catalog-search button[hidden] {
  display: none;
}

.home-catalog-tabs {
  display: flex;
  gap: 9px;
  overflow-x: auto;
  padding: 2px 2px 7px;
  scrollbar-width: thin;
}

.home-catalog-path-tabs {
  margin-top: -4px;
}

.home-catalog-tabs[hidden],
.home-catalog-path-tabs[hidden] {
  display: none !important;
}

.home-catalog-tab {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid #d8dee8;
  border-radius: 13px;
  background: #fff;
  color: #566275;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms ease;
}

.home-catalog-tab > span {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--catalog-tab-accent), #fff 88%);
  color: var(--catalog-tab-accent);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
}

.home-catalog-tab svg {
  width: 15px;
  height: 15px;
}

.home-catalog-tab strong {
  font-size: 12px;
  font-weight: 850;
}

.home-catalog-tab em {
  min-width: 23px;
  height: 23px;
  padding: 0 6px;
  border-radius: 999px;
  background: #eef1f5;
  color: #697487;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}

.home-catalog-tab:hover,
.home-catalog-tab:focus-visible {
  border-color: var(--catalog-tab-accent);
  color: var(--catalog-tab-accent);
  outline: none;
  transform: translateY(-1px);
}

.home-catalog-tab.is-active {
  border-color: var(--catalog-tab-accent);
  background: color-mix(in srgb, var(--catalog-tab-accent), #fff 91%);
  color: color-mix(in srgb, var(--catalog-tab-accent), #172033 25%);
  box-shadow: inset 0 -3px 0 var(--catalog-tab-accent);
}

.home-catalog-tab.is-active em {
  background: var(--catalog-tab-accent);
  color: #fff;
}

.home-catalog-result-head {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.home-catalog-result-head > div {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.home-catalog-result-head strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.home-catalog-result-head span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.home-catalog-path {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid #e4d7c2;
  border-radius: 16px;
  background: #fffaf2;
}

.home-catalog-path[hidden] {
  display: none;
}

.home-catalog-path-step {
  margin: 0;
  color: var(--catalog-tab-accent, #b45309);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.home-catalog-path-goal,
.home-catalog-path-outcome {
  margin: 0;
  display: grid;
  gap: 2px;
}

.home-catalog-path-goal > span,
.home-catalog-path-outcome > span {
  color: #7a5a2a;
  font-size: 11px;
  font-weight: 800;
}

.home-catalog-path-goal > strong,
.home-catalog-path-outcome > strong {
  color: #2a241c;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
}

.home-catalog-path-outcome {
  padding-top: 8px;
  border-top: 1px dashed #ead9bf;
}

.home-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.home-catalog-course-card {
  position: relative;
  min-width: 0;
  min-height: 124px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--catalog-accent), #fff 76%);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  align-items: start;
  gap: 9px 11px;
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.home-catalog-course-card[hidden] {
  display: none;
}

.home-catalog-course-card:hover,
.home-catalog-course-card:focus-visible {
  border-color: var(--catalog-accent);
  outline: none;
  box-shadow: 0 10px 24px rgba(28, 45, 72, 0.11);
  transform: translateY(-2px);
}

.home-catalog-course-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--catalog-soft);
  color: var(--catalog-accent);
  display: grid;
  place-items: center;
}

.home-catalog-course-icon svg {
  width: 21px;
  height: 21px;
}

.home-catalog-course-copy {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.home-catalog-course-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.home-catalog-course-meta small {
  overflow: hidden;
  color: var(--catalog-accent);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.045em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.home-catalog-course-meta em {
  padding: 3px 6px;
  border-radius: 999px;
  background: #fff1db;
  color: #a65216;
  font-size: 8px;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
}

.home-catalog-course-copy > strong {
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.35;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.home-catalog-progress {
  width: 100%;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--catalog-accent), #fff 88%);
}

.home-catalog-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--catalog-accent);
}

.home-catalog-progress-label {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.home-catalog-course-action {
  grid-column: 1 / -1;
  align-self: end;
  color: var(--catalog-accent);
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  font-size: 10px;
  font-weight: 900;
}

.home-catalog-course-action svg {
  width: 14px;
  height: 14px;
}

.home-catalog-more {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid #cfd7e4;
  border-radius: 13px;
  background: #fff;
  color: #4d5b70;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  gap: 7px;
  cursor: pointer;
  font: 850 12px/1.3 "Be Vietnam Pro", sans-serif;
}

.home-catalog-more[hidden] {
  display: none;
}

.home-catalog-more svg {
  width: 15px;
  height: 15px;
}

.home-catalog-more:hover,
.home-catalog-more:focus-visible {
  border-color: #3157d5;
  color: #3157d5;
  outline: none;
}

.home-catalog-empty {
  min-height: 170px;
  padding: 24px;
  border: 1px dashed #cfd7e4;
  border-radius: 16px;
  background: #fff;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  text-align: center;
}

.home-catalog-empty[hidden] {
  display: none;
}

.home-catalog-empty > span {
  font-size: 26px;
}

.home-catalog-empty strong {
  color: var(--text);
  font-size: 15px;
}

.home-catalog-empty p {
  color: var(--muted);
  font-size: 12px;
}

[data-theme="dark"] .home-catalog-course-card,
[data-theme="dark"] .home-catalog-search,
[data-theme="dark"] .home-catalog-tab,
[data-theme="dark"] .home-catalog-more,
[data-theme="dark"] .home-catalog-empty,
[data-theme="dark"] .home-catalog-path {
  border-color: var(--line);
  background: var(--surface);
}

[data-theme="dark"] .home-catalog-path-step,
[data-theme="dark"] .home-catalog-path-goal > span,
[data-theme="dark"] .home-catalog-path-outcome > span {
  color: var(--catalog-tab-accent, #f0b27a);
}

[data-theme="dark"] .home-catalog-path-goal > strong,
[data-theme="dark"] .home-catalog-path-outcome > strong {
  color: var(--text);
}

[data-theme="dark"] .home-catalog-path-outcome {
  border-top-color: var(--line);
}

[data-theme="dark"] .home-catalog-tab.is-active {
  background: color-mix(in srgb, var(--catalog-tab-accent), var(--surface) 82%);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-search,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-tab,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-course-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-more,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-path {
  border: 2px solid var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-search,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-tab,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-course-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-more,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-path {
  background: var(--home-sketch-paper);
  box-shadow: 2px 3px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-tab.is-active {
  background: color-mix(in srgb, var(--catalog-tab-accent), var(--home-sketch-paper) 82%);
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-course-card:hover,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-course-card:focus-visible {
  border-color: var(--home-sketch-ink);
  box-shadow: 5px 6px 0 var(--home-sketch-ink);
  transform: translate(-2px, -2px);
}

@media (max-width: 980px) {
  .home-catalog-tools {
    grid-column: 1 / -1;
    width: 100%;
  }

  .home-catalog-search {
    flex: 1 1 auto;
    width: auto;
  }

  .home-catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .home-catalog-head {
    gap: 12px;
  }

  .home-catalog-title h2 {
    font-size: 22px;
  }

  .home-catalog-path-tabs {
    margin-top: -8px;
  }

  .home-catalog-result-head {
    align-items: flex-start;
  }

  .home-catalog-result-head > div {
    display: grid;
    gap: 2px;
  }

  .home-catalog-path {
    padding: 12px 13px;
    border-radius: 14px;
  }

  .home-catalog-path-goal > strong,
  .home-catalog-path-outcome > strong {
    font-size: 13px;
  }

  .home-catalog-grid {
    grid-template-columns: 1fr;
  }

  .home-catalog-course-card {
    min-height: 112px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-catalog-tab,
  .home-catalog-course-card,
  .home-catalog-search {
    transition: none;
  }
}

/* Public product story and hands-on diagnostic preview. */
.auth-product-mockup {
  width: min(560px, 100%);
  justify-self: center;
  padding: 18px;
  border: 1px solid #dce3f5;
  border-radius: 26px;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(24, 32, 51, 0.13);
  transform: rotate(1.2deg);
}

.auth-mockup-top,
.auth-mockup-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #5f6b84;
  font-size: 11px;
  font-weight: 750;
}

.auth-mockup-top b {
  padding: 7px 10px;
  border-radius: 999px;
  background: #fff5df;
  color: #9b6515;
}

.auth-mockup-mission {
  margin: 14px 0;
  padding: 20px;
  border: 1px solid #e1e6f5;
  border-radius: 20px;
  background: linear-gradient(145deg, #fbfcff, #f1f4ff);
}

.auth-mockup-mission > span {
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 800;
}

.auth-mockup-mission > span svg {
  width: 17px;
  height: 17px;
}

.auth-mockup-mission h2 {
  margin-top: 7px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.3;
}

.auth-mockup-mission > p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.auth-mockup-question {
  margin-top: 16px;
  padding: 15px;
  border-radius: 14px;
  background: #fff;
  display: grid;
  gap: 8px;
}

.auth-mockup-question small {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.auth-mockup-question strong {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
}

.auth-mockup-question i {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: #44506a;
  display: flex;
  align-items: center;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.auth-mockup-question i.is-selected {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}

.auth-mockup-progress > span {
  height: 8px;
  flex: 1 1 auto;
  overflow: hidden;
  border-radius: 999px;
  background: #e8ebf2;
}

.auth-mockup-progress > span b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.auth-trust-strip {
  padding: 18px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.auth-trust-strip span {
  color: #44506a;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.auth-trust-strip svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--green);
}

.auth-interactive-demo {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid #dfe4ef;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-raised);
}

.auth-demo-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.auth-demo-progress i {
  height: 7px;
  flex: 1 1 auto;
  overflow: hidden;
  border-radius: 999px;
  background: #e9edf6;
}

.auth-demo-progress i b {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--blue);
}

.auth-interactive-demo > h3 {
  margin-top: 24px;
  color: var(--ink);
  font-size: clamp(22px, 2.5vw, 30px);
}

.auth-demo-instruction {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.auth-demo-workspace {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.auth-demo-pool,
.auth-demo-dropzone {
  min-height: 270px;
  padding: 16px;
  border: 2px dashed #d9dfeb;
  border-radius: 18px;
  background: #f8f9fc;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 160ms ease, background 160ms ease;
}

.auth-demo-dropzone {
  background: #f5f7ff;
}

.auth-demo-pool.is-over,
.auth-demo-dropzone.is-over,
.auth-demo-dropzone:focus-visible {
  border-color: var(--blue);
  background: var(--blue-soft);
  outline: none;
}

.auth-demo-pool [data-demo-card],
.auth-demo-dropzone [data-demo-card] {
  min-height: 66px;
  padding: 12px 14px;
  border: 1px solid #dce2ee;
  border-radius: 13px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 3px 10px rgba(24, 32, 51, 0.05);
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  text-align: left;
  cursor: grab;
}

.auth-demo-pool [data-demo-card]:hover,
.auth-demo-dropzone [data-demo-card]:hover,
.auth-demo-pool [data-demo-card]:focus-visible,
.auth-demo-dropzone [data-demo-card]:focus-visible {
  border-color: var(--blue);
  box-shadow: var(--shadow-focus);
  outline: none;
}

[data-demo-card].is-dragging {
  opacity: 0.55;
}

[data-demo-card] b {
  color: var(--blue);
  font-size: 14px;
}

[data-demo-card] span {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.auth-demo-placeholder {
  margin: auto;
  color: #8490a7;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.auth-demo-placeholder[hidden] {
  display: none;
}

.auth-demo-actions {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.auth-demo-actions .button {
  min-height: 50px;
}

.auth-demo-feedback {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid #e6d4a7;
  border-radius: 15px;
  background: #fff8e7;
  color: #725513;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 11px;
}

.auth-demo-feedback[hidden] {
  display: none;
}

.auth-demo-feedback.is-correct {
  border-color: #b7dfca;
  background: var(--green-soft);
  color: #176c46;
}

.auth-demo-feedback > svg {
  width: 26px;
  height: 26px;
}

.auth-demo-feedback strong {
  font-size: 15px;
}

.auth-demo-feedback p {
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.55;
}

.auth-parent-proof {
  padding: clamp(26px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #f8f9fc;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  gap: clamp(28px, 6vw, 70px);
  align-items: center;
}

.auth-parent-copy h2 {
  margin-top: 10px;
  color: var(--ink);
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.17;
  letter-spacing: -0.035em;
}

.auth-parent-copy > p:not(.auth-hero-badge) {
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.auth-parent-copy ul {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.auth-parent-copy li {
  color: #44506a;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 700;
}

.auth-parent-copy li svg {
  width: 18px;
  height: 18px;
  color: var(--green);
}

.auth-parent-report {
  padding: 24px;
  border: 1px solid #dfe4ed;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}

.auth-parent-report-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.auth-parent-report-head strong {
  color: var(--ink);
}

.auth-parent-summary {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.auth-parent-summary span {
  min-height: 70px;
  padding: 11px;
  border-radius: 12px;
  background: #f4f6fa;
  color: var(--muted);
  display: grid;
  gap: 3px;
  font-size: 10px;
}

.auth-parent-summary b {
  color: var(--ink);
  font-size: 20px;
}

.auth-parent-skill {
  margin-top: 15px;
  display: grid;
  gap: 5px;
}

.auth-parent-skill > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.auth-parent-skill > strong {
  color: var(--ink);
  font-size: 13px;
}

.auth-parent-skill > i {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e9ecf2;
}

.auth-parent-skill > i b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.auth-parent-skill.is-focus > i b {
  background: #d88a14;
}

.auth-parent-next {
  margin-top: 19px;
  padding: 13px;
  border-radius: 13px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
}

.auth-parent-next > span {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #fff;
  display: grid;
  place-items: center;
}

.auth-parent-next svg {
  width: 18px;
  height: 18px;
}

.auth-parent-next p {
  color: #44506a;
  font-size: 11px;
  line-height: 1.5;
}

.auth-parent-next p strong {
  display: block;
  color: var(--ink);
  font-size: 12px;
}

@media (max-width: 900px) {
  .auth-trust-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-parent-proof {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .auth-product-mockup {
    padding: 12px;
    border-radius: 19px;
    transform: none;
  }

  .auth-mockup-mission {
    padding: 15px;
  }

  .auth-trust-strip {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .auth-demo-workspace {
    grid-template-columns: 1fr;
  }

  .auth-demo-pool,
  .auth-demo-dropzone {
    min-height: 230px;
  }

  .auth-demo-actions {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
  }

  .auth-demo-actions .button {
    width: 100%;
    padding-inline: 12px;
  }

  .auth-parent-proof {
    padding: 22px 16px;
    border-radius: 20px;
  }

  .auth-parent-report {
    padding: 16px;
  }

  .auth-parent-summary {
    grid-template-columns: 1fr;
  }
}

/* KET Reading & Writing guided lesson */
.ket-home-card {
  margin: 0 0 24px;
  padding: 24px;
  border: 1px solid #b8e6dc;
  border-radius: 20px;
  background: linear-gradient(135deg, #effcf8 0%, #ffffff 52%, #fff8e6 100%);
  box-shadow: 0 14px 34px rgba(15, 118, 110, 0.1);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(190px, 230px);
  gap: 20px;
  align-items: center;
}

.ket-home-badge {
  width: 74px;
  height: 74px;
  border-radius: 22px;
  background: #087f72;
  color: #fff;
  box-shadow: 0 12px 24px rgba(8, 127, 114, 0.22);
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.ket-eyebrow,
.ket-skill-label {
  color: #087f72;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.ket-home-copy {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.ket-home-copy h2 { font-size: clamp(21px, 2vw, 27px); line-height: 1.2; }
.ket-home-copy p { color: #526072; font-size: 14px; line-height: 1.6; }

.ket-skill-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.ket-skill-pills span {
  padding: 5px 9px;
  border-radius: 999px;
  background: #e0f5ef;
  color: #08665d;
  font-size: 11px;
  font-weight: 800;
}

.ket-home-action { display: grid; gap: 9px; color: #667085; font-size: 12px; font-weight: 800; }
.ket-mini-progress { height: 7px; overflow: hidden; border-radius: 999px; background: #d9eee8; }
.ket-mini-progress i, .ket-progress-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #0e9686, #f0ad2e); }
.button.ket-primary { background: #087f72; color: #fff; box-shadow: 0 10px 20px rgba(8, 127, 114, 0.2); }
.button.ket-primary:hover:not(:disabled), .button.ket-primary:focus-visible:not(:disabled) { background: #066a60; transform: translateY(-1px); }
.button.ket-primary:disabled { background: #cbd5d2; color: #fff; box-shadow: none; cursor: not-allowed; }

/* KET game-like journey map */
.ket-map-app {
  min-height: 100vh;
  background: #eaf5f2;
  color: #18332e;
}

.ket-map-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 76px minmax(720px, calc(100vh - 76px));
}

.ket-map-header {
  position: relative;
  z-index: 30;
  min-height: 76px;
  padding: 12px clamp(20px, 4vw, 58px);
  border-bottom: 1px solid #d5e6e1;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 18px rgba(35, 74, 65, 0.08);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.ket-map-header-progress {
  justify-self: end;
  display: grid;
  grid-template-columns: auto auto 126px 44px;
  align-items: center;
  gap: 7px;
  color: #5d6d68;
  font-size: 12px;
  font-weight: 800;
}

.ket-map-header-progress strong { color: #183b34; font-size: 16px; }
.ket-map-header-progress > i { height: 8px; overflow: hidden; border-radius: 999px; background: #dceae6; }
.ket-map-header-progress > i b { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #0e9082, #f0b341); }
.ket-map-header-progress img { width: 44px; height: 44px; border: 2px solid #b9ded5; border-radius: 50%; background: #e9f5f1; object-fit: cover; }

.ket-map-stage {
  position: relative;
  min-height: 720px;
  isolation: isolate;
  overflow: hidden;
  background: #d9f0ee;
}

.ket-map-landscape,
.ket-map-route {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.ket-map-landscape { z-index: -3; }
.ket-map-route { z-index: -1; opacity: 0.72; }

.ket-map-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(248, 253, 251, 0.08), transparent 22%, rgba(10, 65, 57, 0.07));
}

.ket-map-intro {
  position: absolute;
  z-index: 12;
  top: 24px;
  left: clamp(22px, 3vw, 48px);
  width: min(580px, calc(100% - 40px));
  min-height: 78px;
  padding: 14px 18px;
  border: 1px solid rgba(150, 188, 178, 0.78);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 30px rgba(30, 73, 64, 0.13);
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: 4px 13px;
}

.ket-map-flag {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: #e4f5ef;
  color: #087f72;
  display: grid;
  place-items: center;
}

.ket-map-flag svg { width: 21px; }
.ket-map-intro h1 { margin: 0; color: #173b34; font-size: clamp(18px, 2vw, 23px); line-height: 1.25; letter-spacing: -0.02em; }
.ket-map-intro p { margin: 3px 0 0; color: #60706b; font-size: 12px; line-height: 1.45; }
.ket-map-intro-meter { grid-column: 1 / -1; height: 6px; margin-top: 5px; overflow: hidden; border-radius: 999px; background: #dcebe7; }
.ket-map-intro-meter i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #0d9081, #f0ad34); }
.ket-map-intro .english-structure-entry {
  grid-column: 1 / -1;
  margin-top: 4px;
  padding: 8px 10px;
  border-radius: 12px;
}

.ket-map-nodes { position: absolute; inset: 0; z-index: 8; pointer-events: none; }
.ket-map-node {
  position: absolute;
  left: var(--ket-x);
  top: var(--ket-y);
  width: max-content;
  max-width: 210px;
  padding: 0;
  background: transparent;
  color: #173b34;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  pointer-events: auto;
  cursor: pointer;
}

.ket-map-node:focus-visible { outline: 3px solid #fff; outline-offset: 5px; border-radius: 16px; }
.ket-map-node:disabled { cursor: not-allowed; }
.ket-map-node-orb {
  position: relative;
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  border: 6px solid rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  background: #c9d5d2;
  color: #6f807b;
  box-shadow: 0 8px 0 rgba(32, 70, 62, 0.16), 0 12px 24px rgba(32, 70, 62, 0.2);
  display: grid;
  place-items: center;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.ket-map-node:not(:disabled):hover .ket-map-node-orb { transform: translateY(-3px); box-shadow: 0 11px 0 rgba(32, 70, 62, 0.14), 0 16px 28px rgba(32, 70, 62, 0.22); }
.ket-map-node-orb svg { width: 25px; height: 25px; }
.ket-map-node-orb b {
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 25px;
  height: 25px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #536a64;
  color: white;
  display: grid;
  place-items: center;
  font-size: 10px;
  line-height: 1;
}

.ket-map-node-copy {
  min-width: 118px;
  padding: 8px 10px;
  border: 1px solid rgba(154, 184, 176, 0.7);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 7px 18px rgba(35, 76, 67, 0.12);
  display: grid;
  gap: 2px;
}

.ket-map-node-copy strong { font-size: 12px; line-height: 1.3; }
.ket-map-node-copy small { color: #6b7874; font-size: 10px; font-weight: 800; }
.ket-map-node.is-complete .ket-map-node-orb { background: #0e8f7f; color: #fff; }
.ket-map-node.is-complete .ket-map-node-orb b { background: #f0af32; }
.ket-map-node.is-complete .ket-map-node-copy small { color: #087f72; }
.ket-map-node.is-current .ket-map-node-orb { background: #f1ae32; color: #59400b; animation: ket-node-pulse 2s ease-in-out infinite; }
.ket-map-node.is-current .ket-map-node-orb b { background: #087f72; }
.ket-map-node.is-current .ket-map-node-copy { border-color: #e6a935; background: #fffaf0; }
.ket-map-node.is-current .ket-map-node-copy small { color: #9b6809; }
.ket-map-node.is-current .ket-map-node-copy { display: none; }
.ket-map-node.is-locked { opacity: 0.82; filter: saturate(0.58); }

@keyframes ket-node-pulse {
  0%, 100% { box-shadow: 0 8px 0 rgba(32, 70, 62, 0.16), 0 12px 24px rgba(32, 70, 62, 0.2), 0 0 0 0 rgba(241, 174, 50, 0.35); }
  50% { box-shadow: 0 8px 0 rgba(32, 70, 62, 0.16), 0 12px 24px rgba(32, 70, 62, 0.2), 0 0 0 13px rgba(241, 174, 50, 0); }
}

.ket-map-mascot {
  position: absolute;
  z-index: 7;
  left: var(--ket-mascot-x);
  top: var(--ket-mascot-y);
  width: clamp(92px, 10vw, 145px);
  height: auto;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 13px 13px rgba(28, 63, 56, 0.22));
  pointer-events: none;
}

.ket-current-mission {
  position: absolute;
  z-index: 16;
  left: var(--ket-card-x);
  top: var(--ket-card-y);
  width: min(360px, calc(100% - 40px));
  min-height: 116px;
  padding: 16px 17px;
  border: 1px solid rgba(147, 183, 174, 0.82);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 18px 38px rgba(22, 65, 56, 0.18);
  backdrop-filter: blur(12px);
  transform: translate(-50%, -50%);
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 14px;
}

.ket-current-number {
  width: 54px;
  height: 54px;
  border-radius: 17px;
  background: #f1ae32;
  color: #5b420f;
  box-shadow: inset 0 -4px 0 rgba(113, 75, 7, 0.12);
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 900;
}

.ket-current-number svg { width: 26px; }
.ket-current-mission small { color: #087f72; font-size: 10px; font-weight: 900; letter-spacing: 0.07em; text-transform: uppercase; }
.ket-current-mission h2 { margin: 2px 0 1px; color: #183b34; font-size: 19px; line-height: 1.25; }
.ket-current-mission p { margin: 0; color: #687772; font-size: 11px; font-weight: 700; }
.ket-current-mission .button { grid-column: 1 / -1; width: 100%; min-height: 44px; white-space: nowrap; }

.ket-direct-exam-card {
  width: min(980px, calc(100% - 32px));
  margin: 22px auto 30px;
  padding: 20px 22px;
  border: 1px solid #d5c7f7;
  border-radius: 22px;
  background: linear-gradient(135deg, #f4f0ff 0%, #fff 52%, #eefaf6 100%);
  box-shadow: 0 16px 36px rgba(76, 48, 145, 0.1);
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.ket-direct-exam-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: #6c43dc;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: inset 0 -4px 0 rgba(40, 20, 95, 0.16);
}

.ket-direct-exam-icon svg { width: 28px; height: 28px; }
.ket-direct-exam-card h2 { margin: 3px 0 5px; color: #2b2250; font-size: clamp(21px, 3vw, 28px); line-height: 1.2; }
.ket-direct-exam-card p:not(.ket-eyebrow) { margin: 0; color: #655f76; font-size: 13px; line-height: 1.55; }
.ket-direct-exam-action { display: grid; justify-items: end; gap: 10px; color: #655f76; font-size: 11px; font-weight: 850; }
.ket-direct-exam-action .button { min-width: 178px; }
.ket-direct-exam-card.is-vip-locked { border-color: #ead08a; background: linear-gradient(135deg, #fff9e9, #fff); }
.ket-direct-exam-card.is-vip-locked .ket-direct-exam-icon { background: #d79b24; }

.ket-review-chip {
  grid-column: 1 / -1;
  width: max-content;
  max-width: 100%;
  margin-top: 4px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #eef4f2;
  color: #53655f;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 850;
  cursor: pointer;
}

.ket-review-chip.is-due { background: #fff0c9; color: #845905; }
.ket-review-chip svg { width: 15px; }

.ket-curriculum-shell {
  min-height: 100vh;
  padding-bottom: 48px;
  background: linear-gradient(180deg, #e9f6f2 0, #f8fbfa 360px);
}

.ket-region-hero {
  width: min(980px, calc(100% - 32px));
  margin: 34px auto 22px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid #cce4dd;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(24, 75, 63, 0.1);
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) minmax(180px, 240px);
  align-items: center;
  gap: 22px;
}

.ket-region-hero--mock { background: linear-gradient(135deg, #fff9e8, #fff, #e8f7f2); }
.ket-region-hero--equivalent { border-color: #d5c7f7; background: linear-gradient(135deg, #f4f0ff, #fff 56%, #e8f7f2); }
.ket-region-icon {
  width: 70px;
  height: 70px;
  border-radius: 21px;
  background: #daf1eb;
  color: #087f72;
  display: grid;
  place-items: center;
}
.ket-region-icon svg { width: 32px; height: 32px; }
.ket-region-hero h1 { margin: 3px 0 7px; color: #173b34; font-size: clamp(26px, 4vw, 38px); line-height: 1.15; }
.ket-region-hero p:not(.ket-eyebrow) { color: #60706b; font-size: 14px; line-height: 1.6; }
.ket-region-progress { display: grid; gap: 9px; color: #657570; font-size: 11px; font-weight: 800; }
.ket-region-progress b { color: #173b34; font-size: 18px; }
.ket-region-progress > i { height: 9px; overflow: hidden; border-radius: 999px; background: #dcebe7; }
.ket-region-progress > i b { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #0d9081, #f0ad34); }

.ket-unit-list {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ket-exam-collection {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto 24px;
  padding: 20px;
  border: 1px solid #d5c7f7;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 28px rgba(67, 48, 111, 0.07);
}

.ket-exam-collection > header {
  margin-bottom: 16px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.ket-exam-collection > header h2 { margin: 3px 0 0; color: #2b2250; font-size: clamp(20px, 3vw, 27px); line-height: 1.25; }
.ket-exam-collection > header > span { flex: 0 0 auto; padding: 6px 10px; border-radius: 999px; background: #eee8ff; color: #5b35c0; font-size: 11px; font-weight: 900; }
.ket-exam-collection > p { margin: -5px 0 16px; color: #65716e; font-size: 13px; line-height: 1.55; }
.ket-exam-collection .ket-unit-list { width: 100%; margin: 0; }
.ket-exam-collection.is-journey-mocks { border-color: #d4e5e0; }
.ket-exam-collection.is-journey-mocks > header h2 { color: #173b34; }
.ket-exam-collection.is-journey-mocks > header > span { background: #e6f4ef; color: #087f72; }

.ket-unit-card {
  min-height: 92px;
  padding: 13px 14px;
  border: 1px solid #d4e5e0;
  border-radius: 18px;
  background: #fff;
  color: #213c36;
  box-shadow: 0 7px 18px rgba(25, 67, 58, 0.06);
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.ket-unit-card:hover:not(:disabled), .ket-unit-card:focus-visible:not(:disabled) { transform: translateY(-2px); border-color: #76bdb1; box-shadow: 0 12px 24px rgba(25, 67, 58, 0.11); outline: none; }
.ket-unit-card.is-current { border-color: #dda72d; background: #fffbef; }
.ket-unit-card.is-equivalent-exam { border-color: #cfc0f4; background: linear-gradient(135deg, #faf8ff, #fff); }
.ket-unit-card.is-equivalent-exam.is-current { border-color: #8b6ae6; box-shadow: 0 9px 22px rgba(91, 53, 192, 0.11); }
.ket-unit-card.is-equivalent-exam .ket-unit-number { background: #e9e1ff; color: #5b35c0; }
.ket-unit-card.is-equivalent-exam .ket-unit-status { background: #eee8ff; color: #5b35c0; }
.ket-unit-card.is-complete { border-color: #9ed4c7; background: #f4fcf9; }
.ket-unit-card.is-locked { opacity: 0.66; cursor: not-allowed; box-shadow: none; }
.ket-unit-card.is-vip-locked { opacity: 1; cursor: pointer; border-color: #ead08a; background: #fffaf0; }
.ket-unit-card.is-vip-locked:hover,
.ket-unit-card.is-vip-locked:focus-visible { transform: translateY(-2px); border-color: #d5a72f; box-shadow: 0 12px 24px rgba(110, 78, 10, 0.12); outline: none; }
.ket-unit-card.is-vip-locked .ket-unit-number { background: #fff0bd; color: #8a6209; }
.ket-unit-card.is-vip-locked .ket-unit-status { background: #fff0bd; color: #805b08; }
.ket-unit-number {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: #e5efec;
  color: #63736e;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 900;
}
.ket-unit-card.is-current .ket-unit-number { background: #f1ae32; color: #59400b; }
.ket-unit-card.is-complete .ket-unit-number { background: #0e8f7f; color: white; }
.ket-unit-number svg { width: 21px; }
.ket-unit-copy { min-width: 0; display: grid; gap: 3px; }
.ket-unit-copy small { color: #087f72; font-size: 9px; font-weight: 900; letter-spacing: 0.06em; text-transform: uppercase; }
.ket-unit-copy strong { overflow: hidden; font-size: 14px; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.ket-unit-copy em { color: #71807b; font-size: 10px; font-style: normal; font-weight: 700; }
.ket-unit-status { padding: 6px 8px; border-radius: 999px; background: #edf4f2; color: #5b6f69; font-size: 9px; font-weight: 900; white-space: nowrap; }
.ket-unit-card.is-current .ket-unit-status { background: #fff0c4; color: #8c6009; }
.ket-unit-card.is-complete .ket-unit-status { background: #dff5ee; color: #087264; }

.ket-audio-panel,
.ket-speaking-panel,
.ket-writing-panel {
  padding: 18px;
  border: 1px solid #d8e7e3;
  border-radius: 17px;
  background: #f8fcfb;
}
.ket-audio-panel { display: flex; align-items: center; gap: 14px; }
.ket-audio-panel span { color: #6c7a76; font-size: 11px; line-height: 1.45; }
.ket-audio-panel svg { width: 18px; }
.ket-writing-panel { display: grid; gap: 11px; }
.ket-writing-panel label { color: #334944; font-size: 12px; font-weight: 850; }
.ket-writing-panel textarea { width: 100%; min-height: 150px; padding: 14px; resize: vertical; border: 2px solid #d3e2de; border-radius: 13px; background: #fff; color: #233632; font: 500 14px/1.65 "Be Vietnam Pro", sans-serif; }
.ket-writing-panel textarea:focus { border-color: #168d7e; outline: 3px solid rgba(22, 141, 126, 0.14); }
.ket-writing-panel textarea:disabled { background: #f1f6f4; color: #44554f; }
.ket-writing-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #687873; font-size: 11px; font-weight: 800; }
.ket-writing-checks { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; list-style: none; }
.ket-writing-checks li { padding: 9px 10px; border-radius: 10px; background: #fff0e9; color: #934b35; font-size: 11px; font-weight: 750; }
.ket-writing-checks li.is-ok { background: #e4f7f0; color: #126a53; }
.ket-model-answer { padding: 12px 14px; border-radius: 12px; background: #fff8dd; color: #665018; font-size: 12px; line-height: 1.6; }
.ket-model-answer summary { cursor: pointer; font-weight: 850; }
.ket-model-answer p { margin-top: 7px; }
.ket-speaking-panel { display: grid; gap: 13px; }
.ket-speaking-prompt { display: flex; align-items: center; gap: 12px; color: #40534e; }
.ket-speaking-prompt svg { width: 25px; color: #087f72; }
.ket-speaking-panel ul { margin: 0; padding: 0; display: grid; gap: 7px; list-style: none; }
.ket-speaking-panel li { display: flex; align-items: center; gap: 8px; color: #53645f; font-size: 12px; font-weight: 700; }
.ket-speaking-panel li svg { width: 16px; color: #15966e; }
.ket-speaking-panel li label { width: 100%; min-height: 44px; padding: 9px 11px; border: 1px solid #d6e5e1; border-radius: 11px; background: #fff; display: flex; align-items: center; gap: 10px; cursor: pointer; }
.ket-speaking-panel li input { width: 20px; height: 20px; flex: 0 0 auto; accent-color: #168d7e; }
.ket-speaking-panel li label:has(input:checked) { border-color: #77b8aa; background: #e7f7f1; color: #126a53; }

.ket-review-empty {
  width: min(620px, calc(100% - 32px));
  margin: 80px auto;
  padding: 42px;
  border: 1px solid #d3e5df;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(25, 70, 61, 0.1);
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
}
.ket-review-empty > svg { width: 50px; height: 50px; padding: 12px; border-radius: 16px; background: #dff5ee; color: #0e8f7f; }
.ket-review-empty h1 { font-size: 28px; }
.ket-review-empty p { color: #64736f; line-height: 1.65; }

.ket-mock-timer {
  min-width: 76px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #e4f5ef;
  color: #087f72;
  display: inline-grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
}
.ket-mock-timer.is-warning { background: #fff0e8; color: #b34b2c; }

.ket-lesson-app { min-height: 100vh; background: #f7faf9; color: #172321; }
.ket-lesson-shell {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  overflow-anchor: none;
}
.ket-lesson-header {
  min-height: 68px;
  padding: 12px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid #dce8e5;
  background: rgba(255, 255, 255, 0.94);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}
.ket-back { justify-self: start; padding: 9px 0; background: transparent; color: #53625f; display: inline-flex; align-items: center; gap: 7px; font-weight: 800; cursor: pointer; }
.ket-back svg { width: 18px; }
.ket-brand { display: inline-flex; align-items: center; gap: 9px; color: #31413e; font-size: 14px; font-weight: 800; }
.ket-brand b { padding: 7px 8px; border-radius: 9px; background: #087f72; color: white; letter-spacing: 0.08em; }
.ket-step-label { justify-self: end; color: #66736f; font-size: 13px; font-weight: 800; }
.ket-progress-track { width: 100%; height: 6px; background: #deebe7; }

.ket-lesson-card {
  width: min(820px, calc(100% - 32px));
  margin: clamp(28px, 6vh, 64px) auto;
  padding: clamp(24px, 5vw, 48px);
  align-self: center;
  border: 1px solid #dbe7e4;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 52px rgba(26, 70, 61, 0.09);
}
.ket-content-column { display: grid; gap: 20px; }
.ket-content-column h1, .ket-result-card h1 { max-width: 680px; font-size: clamp(27px, 4vw, 39px); line-height: 1.18; letter-spacing: -0.025em; }
.ket-lead { max-width: 700px; color: #52615e; font-size: clamp(16px, 2vw, 19px); line-height: 1.65; }

.ket-mission-map { margin-top: 4px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ket-mission-map > div { padding: 16px; border: 1px solid #dce9e6; border-radius: 16px; background: #f7fbfa; display: flex; align-items: center; gap: 12px; }
.ket-mission-map b { width: 34px; height: 34px; flex: 0 0 auto; border-radius: 11px; background: #e0f4ef; color: #087f72; display: grid; place-items: center; }
.ket-mission-map span { display: grid; gap: 3px; }
.ket-mission-map small { color: #6b7775; font-size: 11px; line-height: 1.4; }

.ket-teacher-note, .ket-tip { padding: 15px 17px; border-radius: 15px; background: #fff7dd; color: #654c12; display: flex; align-items: flex-start; gap: 11px; font-size: 13px; line-height: 1.6; }
.ket-teacher-note > span, .ket-tip > svg { width: 20px; flex: 0 0 20px; color: #c18108; }

.ket-email { padding: 21px; border: 1px solid #dce7e4; border-left: 5px solid #0d8d7e; border-radius: 16px; background: #fbfdfc; display: grid; gap: 8px; color: #35423f; font-size: 14px; line-height: 1.65; }
.ket-email > span { color: #74817e; font-size: 12px; }
.ket-email > strong { padding: 9px 0; border-top: 1px solid #e5ecea; border-bottom: 1px solid #e5ecea; }
.ket-email mark { padding: 2px 4px; border-radius: 4px; background: #fff0a8; color: inherit; }

.ket-options { display: grid; gap: 11px; }
.ket-option { width: 100%; min-height: 58px; padding: 11px 14px; border: 2px solid #dce5e3; border-radius: 15px; background: #fff; color: #293633; display: flex; align-items: center; gap: 13px; text-align: left; cursor: pointer; transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease; }
.ket-option:hover:not(:disabled), .ket-option:focus-visible:not(:disabled) { border-color: #72bfb4; background: #f5fbf9; transform: translateY(-1px); outline: none; }
.ket-option > span { width: 34px; height: 34px; flex: 0 0 auto; border-radius: 10px; background: #eef4f2; color: #59706a; display: grid; place-items: center; font-weight: 900; }
.ket-option strong { font-size: 14px; line-height: 1.45; }
.ket-option.is-selected { border-color: #087f72; background: #f0faf7; }
.ket-option.is-correct { border-color: #15966e; background: #ecfbf5; }
.ket-option.is-correct > span { background: #15966e; color: #fff; }
.ket-option.is-wrong { border-color: #e78668; background: #fff4f0; }
.ket-option.is-wrong > span { background: #e26e4a; color: #fff; }

.ket-feedback { padding: 16px 18px; border-radius: 16px; display: flex; gap: 13px; align-items: flex-start; }
.ket-feedback > span { width: 30px; height: 30px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; font-weight: 900; }
.ket-feedback > div { display: grid; gap: 4px; }
.ket-feedback p { font-size: 13px; line-height: 1.55; }
.ket-feedback.is-correct { background: #e9f9f2; color: #12684e; }
.ket-feedback.is-correct > span { background: #15966e; color: #fff; }
.ket-feedback.is-wrong { background: #fff2ed; color: #8d402b; }
.ket-feedback.is-wrong > span { background: #e26e4a; color: #fff; }

.ket-lesson-footer { min-height: 86px; padding: 14px max(18px, calc((100vw - 820px) / 2)); border-top: 1px solid #dce8e5; background: #fff; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.ket-previous { min-height: 46px; padding: 0 12px; background: transparent; color: #53625f; display: inline-flex; align-items: center; gap: 7px; font-weight: 800; cursor: pointer; }
.ket-previous:disabled { opacity: 0.35; cursor: default; }
.ket-previous svg { width: 18px; }

.ket-result-card { width: min(760px, calc(100% - 32px)); margin: clamp(28px, 6vh, 62px) auto; padding: clamp(26px, 5vw, 48px); align-self: center; border: 1px solid #dbe7e4; border-radius: 26px; background: #fff; box-shadow: 0 22px 56px rgba(26, 70, 61, 0.1); display: grid; justify-items: center; gap: 17px; text-align: center; }
.ket-result-icon { width: 58px; height: 58px; border-radius: 18px; background: #fff2c2; color: #b47705; display: grid; place-items: center; font-size: 28px; }
.ket-result-icon svg { width: 27px; height: 27px; }
.ket-result-lead { color: #586763; font-size: 17px; line-height: 1.6; }
.ket-score-ring { --score: 0; width: 128px; height: 128px; border-radius: 50%; background: conic-gradient(#0b8c7d calc(var(--score) * 1%), #e4efec 0); display: grid; place-content: center; position: relative; }
.ket-score-ring::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: white; }
.ket-score-ring strong, .ket-score-ring span { position: relative; z-index: 1; }
.ket-score-ring strong { color: #087f72; font-size: 38px; line-height: 1; }
.ket-score-ring span { color: #71807c; font-size: 12px; font-weight: 800; }
.ket-result-grid { width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.ket-result-grid > div { min-height: 84px; padding: 15px; border-radius: 15px; background: #f4f9f7; display: grid; align-content: center; gap: 5px; text-align: left; }
.ket-result-grid span { color: #75817e; font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 0.06em; }
.ket-result-grid strong { color: #283733; font-size: 13px; line-height: 1.5; }
.ket-result-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

[data-theme="dark"] .ket-home-card { border-color: #265c56; background: linear-gradient(135deg, #173a36, #182235 62%, #3a321c); }
[data-theme="dark"] .ket-home-copy p, [data-theme="dark"] .ket-home-action { color: #b8c4c1; }

/* Keep the primary lesson action reachable without a long Safari/iPad scroll. */
@media (max-width: 1180px), (hover: none) and (pointer: coarse) {
  .ket-lesson-footer {
    position: sticky;
    z-index: 35;
    bottom: 0;
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
    overflow-anchor: none;
  }
}

@media (max-width: 760px) {
  .ket-home-card { grid-template-columns: auto 1fr; padding: 18px; }
  .ket-home-action { grid-column: 1 / -1; }
  .ket-home-badge { width: 58px; height: 58px; border-radius: 17px; font-size: 18px; }
  .ket-lesson-header { grid-template-columns: 1fr auto; min-height: 62px; }
  .ket-brand { display: none; }
  .ket-mission-map { grid-template-columns: 1fr; }
  .ket-lesson-card { margin: 20px auto; padding: 22px 18px; border-radius: 20px; }
  .ket-result-grid { grid-template-columns: 1fr; }
  .ket-lesson-footer { position: sticky; bottom: 0; min-height: 76px; padding: 11px 16px calc(11px + env(safe-area-inset-bottom, 0px)); }
  .ket-lesson-footer .button { flex: 1; }

  .ket-map-shell { grid-template-rows: auto 1fr; }
  .ket-map-header { min-height: 66px; padding: 10px 16px; grid-template-columns: auto 1fr; gap: 14px; }
  .ket-map-header .ket-brand { display: none; }
  .ket-map-header-progress { grid-template-columns: auto auto 72px 38px; gap: 5px; }
  .ket-map-header-progress img { width: 38px; height: 38px; }
  .ket-map-stage { min-height: calc(100vh - 66px); padding: 164px 15px 124px; overflow: visible; }
  .ket-map-stage::after { z-index: -1; background: linear-gradient(180deg, rgba(238, 248, 244, 0.38), rgba(235, 246, 242, 0.9) 32%, #eaf5f2 72%); }
  .ket-map-landscape { position: fixed; top: 66px; height: 360px; object-position: 50% 30%; opacity: 0.66; }
  .ket-map-route, .ket-map-mascot { display: none; }
  .ket-map-intro { position: absolute; top: 14px; left: 15px; width: calc(100% - 30px); transform: none; }
  .ket-map-nodes { position: relative; inset: auto; display: grid; gap: 12px; pointer-events: auto; }
  .ket-map-node {
    position: static;
    width: 100%;
    max-width: none;
    min-height: 76px;
    padding: 9px 12px;
    border: 1px solid rgba(157, 190, 181, 0.76);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 8px 18px rgba(27, 67, 59, 0.1);
    transform: none;
  }
  .ket-map-node-orb { width: 54px; height: 54px; flex-basis: 54px; border-width: 5px; }
  .ket-map-node-copy { padding: 0; border: 0; background: transparent; box-shadow: none; }
  .ket-map-node.is-current .ket-map-node-copy { display: grid; }
  .ket-map-node-copy strong { font-size: 14px; }
  .ket-map-node-copy small { font-size: 11px; }
  .ket-current-mission {
    position: fixed;
    z-index: 40;
    top: auto;
    left: 50%;
    bottom: 10px;
    width: calc(100% - 20px);
    min-height: 92px;
    padding: 12px;
    grid-template-columns: 44px 1fr;
    gap: 10px;
    transform: translateX(-50%);
  }
  .ket-current-number { width: 44px; height: 44px; border-radius: 14px; font-size: 18px; }
  .ket-current-mission h2 { font-size: 15px; }
  .ket-current-mission .button { grid-column: 1 / -1; width: 100%; min-height: 42px; }

  .ket-direct-exam-card {
    margin: 16px auto 110px;
    padding: 18px;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 13px;
  }
  .ket-direct-exam-icon { width: 48px; height: 48px; border-radius: 15px; }
  .ket-direct-exam-icon svg { width: 23px; height: 23px; }
  .ket-direct-exam-card h2 { font-size: 20px; }
  .ket-direct-exam-action { grid-column: 1 / -1; width: 100%; justify-items: stretch; }
  .ket-direct-exam-action .button { width: 100%; }

  .ket-region-hero { margin-top: 18px; grid-template-columns: 54px 1fr; gap: 14px; }
  .ket-region-icon { width: 54px; height: 54px; border-radius: 17px; }
  .ket-region-icon svg { width: 25px; }
  .ket-region-progress { grid-column: 1 / -1; }
  .ket-unit-list { grid-template-columns: 1fr; }
  .ket-exam-collection { padding: 16px; border-radius: 18px; }
  .ket-exam-collection > header { align-items: start; flex-direction: column; gap: 9px; }
  .ket-unit-card { min-height: 84px; grid-template-columns: 44px minmax(0, 1fr) auto; padding: 11px; }
  .ket-unit-number { width: 42px; height: 42px; border-radius: 13px; }
  .ket-unit-copy strong { font-size: 13px; }
  .ket-audio-panel { align-items: stretch; flex-direction: column; }
  .ket-writing-meta { align-items: stretch; flex-direction: column; }
  .ket-writing-meta .button { width: 100%; }
  .ket-writing-checks { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
  .ket-back { font-size: 0; }
  .ket-back svg { width: 22px; }
  .ket-content-column h1, .ket-result-card h1 { font-size: 27px; }
  .ket-option { padding: 10px; }
  .ket-option strong { font-size: 13px; }
  .ket-previous { padding: 0 4px; font-size: 13px; }
  .ket-map-header-progress > span, .ket-map-header-progress > i { display: none; }
  .ket-map-header-progress { grid-template-columns: auto 38px; }
  .ket-map-intro { padding: 12px 14px; }
  .ket-map-intro p { font-size: 11px; }
  .ket-review-chip { font-size: 9px; }
  .ket-unit-status { display: none; }
  .ket-region-hero { padding: 18px; }
  .ket-region-hero h1 { font-size: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  .ket-option, .button.ket-primary { transition: none; }
  .ket-map-node.is-current .ket-map-node-orb { animation: none; }
}

/* Light dark mode — calm night study palette (Wonder Blocks inspired) */
[data-theme="dark"] {
  --bg: #0f1729;
  --surface: #182235;
  --surface-soft: #1e2a3f;
  --text: #eef2f8;
  --ink: #f5f7fb;
  --muted: #9aa6b8;
  --line: #2d3a52;
  --blue: #4d8dff;
  --blue-soft: rgba(77, 141, 255, 0.16);
  --green: #3dcf4a;
  --green-soft: rgba(61, 207, 74, 0.14);
  --gold: #ffc933;
  --gold-soft: rgba(255, 201, 51, 0.14);
  --orange: #ff9a3c;
  --orange-soft: rgba(255, 154, 60, 0.14);
  --purple: #b08cff;
  --purple-soft: rgba(176, 140, 255, 0.16);
  --red: #ff6b5c;
  --red-soft: rgba(255, 107, 92, 0.14);
  --teal: #2fd4ad;
  --teal-soft: rgba(47, 212, 173, 0.14);
  --dark-blue: #e8eefc;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.28), 0 12px 32px rgba(0, 0, 0, 0.35);
  --sidebar-bg: rgba(24, 34, 53, 0.94);
  --body-gradient-top: rgba(24, 101, 242, 0.12);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, var(--body-gradient-top), transparent 360px),
    var(--bg);
  color: var(--text);
}

/* Smooth theme switch: only active while toggling (avoids slowing everyday UI) */
html.is-theme-transitioning,
html.is-theme-transitioning body,
html.is-theme-transitioning .sidebar,
html.is-theme-transitioning .app-main-column,
html.is-theme-transitioning .main,
html.is-theme-transitioning .site-footer,
html.is-theme-transitioning .auth-shell,
html.is-theme-transitioning .auth-nav,
html.is-theme-transitioning .subject-card,
html.is-theme-transitioning .overview-panel,
html.is-theme-transitioning .recommend-panel,
html.is-theme-transitioning .detail-panel,
html.is-theme-transitioning .question-card,
html.is-theme-transitioning .profile-card,
html.is-theme-transitioning .empty-panel,
html.is-theme-transitioning .topbar,
html.is-theme-transitioning .nav-item,
html.is-theme-transitioning .button,
html.is-theme-transitioning .theme-toggle,
html.is-theme-transitioning .icon-box,
html.is-theme-transitioning .progress-bar,
html.is-theme-transitioning .auth-product-dashboard,
html.is-theme-transitioning .auth-card,
html.is-theme-transitioning .auth-proof-row span {
  transition:
    background-color var(--theme-duration) var(--theme-ease),
    background var(--theme-duration) var(--theme-ease),
    color var(--theme-duration) var(--theme-ease),
    border-color var(--theme-duration) var(--theme-ease),
    box-shadow var(--theme-duration) var(--theme-ease),
    fill var(--theme-duration) var(--theme-ease),
    stroke var(--theme-duration) var(--theme-ease) !important;
}

/* View Transitions API (Chrome/Edge/Safari recent): soft cross-fade of whole UI */
@supports (view-transition-name: root) {
  html {
    view-transition-name: root;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: var(--theme-duration);
    animation-timing-function: var(--theme-ease);
    mix-blend-mode: normal;
  }

  ::view-transition-old(root) {
    animation-name: theme-fade-out;
  }

  ::view-transition-new(root) {
    animation-name: theme-fade-in;
  }

  @keyframes theme-fade-out {
    from {
      opacity: 1;
      filter: brightness(1);
    }
    to {
      opacity: 0;
      filter: brightness(0.96);
    }
  }

  @keyframes theme-fade-in {
    from {
      opacity: 0;
      filter: brightness(1.04);
    }
    to {
      opacity: 1;
      filter: brightness(1);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    --theme-duration: 1ms;
  }

  html.is-theme-transitioning,
  html.is-theme-transitioning body,
  html.is-theme-transitioning * {
    transition-duration: 1ms !important;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 1ms !important;
  }
}

button,
a {
  font: inherit;
}

button {
  border: 0;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--side) minmax(0, 1fr);
}

@media (min-width: 861px) {
  .app-shell.is-sidebar-collapsed {
    grid-template-columns: 1fr;
  }
}

.app-shell.is-topic-focus-shell {
  display: block;
  background: #fff;
}

.app-shell.is-topic-focus-shell .sidebar {
  display: none;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  max-height: 100vh;
  padding: 28px 22px 32px;
  border-right: 1px solid var(--line);
  background: var(--sidebar-bg);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: 28px;
  overflow: hidden;
  transition: transform 0.2s ease, width 0.2s ease, padding 0.2s ease, background-color 0.2s ease;
}

/* Sidebar Brand Wrapper to contain brand and toggle */
.sidebar-brand-wrapper {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.sidebar-profile-link {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
}

.sidebar-profile-link svg {
  width: 14px;
  height: 14px;
}

.sidebar-toggle {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--blue);
  cursor: pointer;
  display: none;
  place-items: center;
  transition: all 0.2s ease;
}

@media (min-width: 861px) {
  .sidebar-toggle {
    display: grid;
  }
}

.sidebar-toggle:hover {
  background: var(--blue-soft);
  border-color: #bfd3ff;
}

.sidebar-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2.5px;
}

@media (min-width: 861px) {
  /* Collapsed state - floating sidebar tab on the left */
  .sidebar.is-collapsed {
    position: fixed;
    left: 14px;
    top: 24px;
    transform: none;
    z-index: 999;
    width: auto !important;
    height: auto !important;
    padding: 6px !important;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(28, 45, 72, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  }

  .sidebar.is-collapsed:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(28, 45, 72, 0.18);
  }

  .sidebar.is-collapsed .sidebar-brand-wrapper {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .sidebar.is-collapsed .brand,
  .sidebar.is-collapsed .sidebar-profile-link {
    display: none;
  }

  .sidebar.is-collapsed .sidebar-toggle {
    width: 32px;
    height: 32px;
    min-height: unset;
    padding: 0;
    border-radius: 50%;
    display: grid;
    place-items: center;
  }

  .sidebar.is-collapsed .sidebar-toggle svg {
    margin: 0;
    width: 16px;
    height: 16px;
  }

  .sidebar.is-collapsed .nav,
  .sidebar.is-collapsed .sidebar-foot,
  .sidebar.is-collapsed .mobile-menu {
    display: none !important;
  }

  .sidebar.is-collapsed .theme-toggle {
    display: grid;
  }
}

.sidebar-brand-wrapper .theme-toggle {
  flex: 0 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--blue);
  font-size: 21px;
  font-weight: 800;
}

.brand-mark,
.icon-box {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(24, 101, 242, 0.22);
  overflow: hidden;
}

.brand-mark svg,
.icon-box svg,
.nav-item svg,
.mini-icon svg,
.button svg,
.back-button svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-box img,
.icon-box .subject-badge-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.brand-mark--logo {
  background: transparent;
  box-shadow: none;
  color: inherit;
}

.nav {
  display: grid;
  gap: 8px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.nav-item {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: var(--radius);
  color: #49566b;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  font-weight: 700;
  cursor: pointer;
}

.nav-item.is-active,
.nav-item:hover {
  background: var(--blue-soft);
  color: var(--blue);
}

.nav-item--bonus {
  flex-wrap: wrap;
  row-gap: 4px;
}

.nav-item--bonus > span:first-of-type {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-bonus-tag {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, #c2410c, #ffffff 82%);
  color: #9a3412;
  font-size: 10px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-soon-tag {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #64748b;
  font-size: 10px;
  font-weight: 900;
  line-height: 1.4;
  white-space: nowrap;
}

.nav-group--bonus {
  display: grid;
  gap: 4px;
}

.nav-group-head {
  min-height: 44px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #49566b;
  font-weight: 800;
}

.nav-group-head svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-group-head > span:first-of-type {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-group--bonus.is-active .nav-group-head {
  color: var(--blue);
}

.nav-group--cambridge {
  display: grid;
  gap: 4px;
}

.nav-group--cambridge .nav-group-head {
  color: #315a9f;
}

.nav-group--cambridge .nav-group-children {
  border-left-color: #b8cdf5;
}

.nav-item--cambridge {
  color: #53627a;
}

.nav-item--cambridge:hover,
.nav-item--cambridge:focus-visible {
  background: #eef4ff;
  color: #2459b6;
}

.nav-item--cambridge-mobile svg {
  color: #315a9f;
}

.nav-group-children {
  display: grid;
  gap: 4px;
  margin-left: 18px;
  padding-left: 14px;
  border-left: 2px solid color-mix(in srgb, #c2410c, #ffffff 72%);
}

.nav-item--child {
  min-height: 40px;
  padding-left: 12px;
  font-size: 14px;
}

.nav-item--child svg {
  display: none;
}

.nav-item--bonus-child {
  min-width: max-content;
}

.coming-soon-panel {
  margin-top: 8px;
  display: grid;
  gap: 8px;
  text-align: center;
}

.coming-soon-panel a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.coming-soon-panel a:hover {
  text-decoration: underline;
}

.sidebar-foot {
  flex: 0 0 auto;
  margin-top: auto;
  padding-top: 24px;
  padding-bottom: 4px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.sidebar-foot-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition:
    background-color 0.2s var(--theme-ease),
    border-color 0.2s var(--theme-ease),
    color 0.2s var(--theme-ease),
    transform 0.2s var(--theme-ease);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: color-mix(in srgb, var(--blue) 40%, var(--line));
  background: var(--blue-soft);
  color: var(--blue);
  outline: none;
}

.theme-toggle:active {
  transform: scale(0.96);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  transition: transform var(--theme-duration) var(--theme-ease), opacity 180ms ease;
}

.theme-toggle.is-switching svg {
  animation: theme-icon-spin var(--theme-duration) var(--theme-ease);
}

@keyframes theme-icon-spin {
  0% {
    opacity: 0.35;
    transform: rotate(-40deg) scale(0.82);
  }
  55% {
    opacity: 1;
    transform: rotate(8deg) scale(1.06);
  }
  100% {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle.is-switching svg {
    animation: none;
  }
}

.theme-toggle--icon {
  width: 40px;
  min-height: 40px;
  padding: 0;
}

.theme-toggle--icon .theme-toggle-label,
.sidebar.is-collapsed .theme-toggle .theme-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sidebar.is-collapsed .theme-toggle {
  width: 36px;
  min-height: 36px;
  padding: 0;
}

.auth-hero-with-art {
  display: grid;
  gap: 18px;
}

.auth-hero-text {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.auth-welcome-art {
  width: 100%;
  max-width: 280px;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  object-fit: cover;
  background: var(--surface);
  justify-self: start;
}

@media (min-width: 1100px) {
  .auth-hero-with-art {
    grid-template-columns: minmax(0, 1fr) minmax(160px, 220px);
    align-items: end;
    gap: 20px;
  }

  .auth-welcome-art {
    max-width: 220px;
    justify-self: end;
    margin-bottom: 8px;
  }
}

@media (max-width: 1099px) {
  .auth-welcome-art {
    max-width: 220px;
  }
}

[data-theme="dark"] .auth-shell {
  --auth-navy: #e8eefc;
  --auth-slate: #9aa6b8;
  --auth-border: #2d3a52;
  --auth-gold: #ffc933;
  background:
    radial-gradient(circle at 78% 14%, rgba(77, 141, 255, 0.16), transparent 340px),
    linear-gradient(180deg, #0f1729 0%, #141f33 62%, #0f1729 100%);
}

[data-theme="dark"] .auth-nav {
  background: rgba(24, 34, 53, 0.92);
  border-bottom-color: var(--line);
}

[data-theme="dark"] .auth-product-dashboard,
[data-theme="dark"] .auth-mini-test-card,
[data-theme="dark"] .auth-weakness-map,
[data-theme="dark"] .auth-today-plan,
[data-theme="dark"] .auth-report-card,
[data-theme="dark"] .auth-card,
[data-theme="dark"] .auth-proof-row span,
[data-theme="dark"] .auth-value-grid article,
[data-theme="dark"] .auth-problem-list article {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

[data-theme="dark"] .auth-secondary-cta {
  background: var(--surface);
  color: var(--text);
}

[data-theme="dark"] .auth-hero-badge {
  background: var(--blue-soft);
  border-color: color-mix(in srgb, var(--blue) 40%, transparent);
  color: var(--blue);
}

[data-theme="dark"] .subject-card,
[data-theme="dark"] .overview-panel,
[data-theme="dark"] .recommend-panel,
[data-theme="dark"] .detail-panel,
[data-theme="dark"] .question-card,
[data-theme="dark"] .profile-card,
[data-theme="dark"] .empty-panel {
  background: var(--surface);
  border-color: var(--line);
}

[data-theme="dark"] .sidebar.is-collapsed {
  background: rgba(24, 34, 53, 0.98);
}

/* Dark mode contrast fixes (readable for kids on tablet) */
[data-theme="dark"] {
  --muted: #b4becc;
  --line: #3a4963;
  --progress-track: #243247;
}

[data-theme="dark"] .progress-bar,
[data-theme="dark"] .progress-track {
  background: #243247;
}

[data-theme="dark"] .progress-segment.is-correct,
[data-theme="dark"] .progress-bar.is-mastery .progress-fill,
[data-theme="dark"] .progress-fill.is-mastery {
  background: linear-gradient(90deg, #3dcf4a, #58e065);
}

[data-theme="dark"] .progress-ring {
  --ring-track: #243247;
}

[data-theme="dark"] .progress-ring.is-mastery {
  --ring-color: #58e065;
  color: #8ef09a;
}

[data-theme="dark"] .answer-feedback.is-correct {
  color: #8ef09a;
  background: rgba(61, 207, 74, 0.18);
}

[data-theme="dark"] .answer-feedback.is-wrong {
  color: #ff9a90;
  background: rgba(255, 107, 92, 0.16);
}

[data-theme="dark"] .vip-locked-card {
  background: rgba(255, 201, 51, 0.12);
  border-color: rgba(255, 201, 51, 0.35);
}

[data-theme="dark"] .vip-locked-card strong {
  color: #ffd666;
}

[data-theme="dark"] .subject-hero {
  background:
    radial-gradient(ellipse at 85% 15%, color-mix(in srgb, var(--subject, #3b82f6), #182235 60%) 0%, transparent 60%),
    linear-gradient(135deg, color-mix(in srgb, var(--subject-soft, #1e293b), #182235 80%) 0%, #1e293b 65%, color-mix(in srgb, var(--subject-soft, #1e293b), #182235 50%) 100%);
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #3a4963 60%);
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .subject-hero h1 {
  color: #f8fafc;
}

[data-theme="dark"] .subject-hero .subtitle {
  color: #cbd5e1;
}

[data-theme="dark"] .subject-hero .icon-box,
[data-theme="dark"] .subject-hero .icon-box.has-badge {
  background: #1e293b;
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #475569 50%);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.4), 0 10px 24px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .subject-hero-badge {
  background: #1e293b;
  color: color-mix(in srgb, var(--subject, var(--blue)), #f8fafc 60%);
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #475569 50%);
}

[data-theme="dark"] .subject-step-item {
  background: #1e293b;
  color: #e2e8f0;
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #475569 50%);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.3), 0 6px 14px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .subject-hero-stats {
  background: rgba(30, 41, 59, 0.95);
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #475569 50%);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .subject-hero-progress-box {
  background: color-mix(in srgb, var(--subject-soft, #1e293b), #0f172a 70%);
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #475569 40%);
}

[data-theme="dark"] .subject-hero .progress-ring-sm {
  background:
    radial-gradient(circle at center, #1e293b 0 55%, transparent 56%),
    conic-gradient(var(--ring-color) calc(var(--value) * 1%), #334155 0);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .subject-hero-progress-count {
  color: #f8fafc;
}

[data-theme="dark"] .subject-hero-progress-badge {
  background: #0f172a;
  color: color-mix(in srgb, var(--subject, var(--blue)), #f8fafc 70%);
  border-color: color-mix(in srgb, var(--subject, var(--blue)), #334155 60%);
}

[data-theme="dark"] .topbar .user-profile {
  background: rgba(30, 41, 59, 0.94);
  border-color: var(--line);
}

[data-theme="dark"] .topbar .user-profile .profile-points-item {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .topbar .user-profile .profile-points-item strong {
  color: #f8fafc;
}

[data-theme="dark"] .topbar .user-profile .profile-points-item.is-remaining {
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(37, 99, 235, 0.35);
}

[data-theme="dark"] .topbar .user-profile .signout-button {
  background: #0f172a;
  border-color: #334155;
  color: #94a3b8;
}

[data-theme="dark"] .tiny-note,
[data-theme="dark"] .subtitle,
[data-theme="dark"] .subject-meta,
[data-theme="dark"] .topic-meta {
  color: #b4becc;
}

[data-theme="dark"] .nav-item {
  color: #d5dce8;
}

[data-theme="dark"] .nav-item.is-active {
  color: var(--blue);
  background: var(--blue-soft);
}

.nav-subject-badge {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  overflow: hidden;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: transparent;
}

.nav-subject-badge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav-item .nav-subject-badge {
  margin-right: 2px;
}

.streak-chip,
.milestone-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--gold) 40%, var(--line));
  background: var(--gold-soft);
  color: color-mix(in srgb, var(--orange) 75%, var(--ink));
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
}

.streak-chip svg,
.milestone-chip svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.streak-chip strong {
  font-weight: 900;
  color: inherit;
}

.session-summary-grid,
.parent-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.session-summary-stat,
.parent-summary-stat {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  display: grid;
  gap: 4px;
}

.session-summary-stat span,
.parent-summary-stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.session-summary-stat strong,
.parent-summary-stat strong {
  font-size: 20px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
}

.session-summary-stat.is-mastery strong,
.parent-summary-stat.is-good strong {
  color: var(--green);
}

.session-summary-stat.is-retry strong,
.parent-summary-stat.is-weak strong {
  color: var(--orange);
}

.parent-summary-card {
  display: grid;
  gap: 16px;
}

.parent-next-action {
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--blue), #ffffff 68%);
  border-radius: var(--radius);
  background: var(--blue-soft);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.parent-next-action > div {
  display: grid;
  gap: 4px;
}

.parent-next-action > div span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.parent-next-action > div strong {
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.parent-next-action .button {
  min-height: 44px;
  white-space: nowrap;
}

.parent-summary-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.parent-summary-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.parent-summary-list .parent-subject-name {
  font-weight: 800;
  color: var(--text);
  min-width: 0;
}

.parent-summary-list .parent-subject-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.avatar-onboarding-banner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  margin-bottom: 16px;
  border: 1px solid color-mix(in srgb, var(--blue) 30%, var(--line));
  border-radius: var(--radius);
  background: var(--blue-soft);
}

@media (max-width: 720px) {
  .avatar-onboarding-banner {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .avatar-onboarding-banner .button-row {
    grid-column: 1 / -1;
  }

  .parent-summary-list li {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .parent-summary-list .parent-subject-meta {
    grid-column: 2;
    white-space: normal;
  }

  .parent-next-action {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .parent-next-action .button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

.avatar-onboarding-banner p {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.avatar-onboarding-banner .tiny-note {
  font-weight: 600;
}

.component-loading {
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
  padding: 28px 20px;
}

.component-loading-art {
  width: min(140px, 42vw);
  height: auto;
  border-radius: var(--radius);
  opacity: 0.92;
}

.mastery-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.home-streak-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 12px;
}

.app-main-column {
  min-width: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  min-width: 0;
  flex: 1 1 auto;
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 32px clamp(20px, 4vw, 52px) 32px;
}

.site-footer {
  flex: 0 0 auto;
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 18px clamp(20px, 4vw, 52px) 28px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.site-footer--auth {
  width: min(1040px, 100%);
  max-width: none;
  margin-top: clamp(20px, 4vw, 40px);
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  background: transparent;
}

.auth-blog-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}

.auth-blog-link:hover {
  text-decoration: underline;
}

.auth-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 12px;
}

.vip-policy-consent {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.vip-policy-consent a {
  color: var(--blue);
  font-weight: 750;
}

.site-footer--practice {
  max-width: none;
  margin-top: 28px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  background: transparent;
}

.site-trademark {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.site-trademark--compact {
  font-size: 12px;
}

.site-trademark-mark {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.site-trademark-brand {
  color: var(--text);
  font-weight: 800;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px 28px;
  margin-bottom: 32px;
}

.topbar > div:first-child {
  flex: 1 1 280px;
  min-width: 0;
}

.topbar .user-profile {
  flex: 0 1 auto;
  flex-shrink: 0;
  align-self: flex-start;
  min-height: auto;
  padding: 10px 16px;
  border-radius: 18px;
  gap: 16px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(28, 45, 72, 0.06);
}

.topbar .user-profile .avatar,
.topbar .user-profile .avatar.avatar-image {
  width: 44px;
  height: 44px;
  border-width: 2.5px;
  border-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.topbar .user-profile .profile-link {
  min-width: auto;
  flex: 0 1 auto;
  gap: 12px;
  margin: 0;
  padding: 2px 4px;
}

.topbar .user-profile .profile-link-name {
  font-size: 15px;
  font-weight: 850;
}

.topbar .user-profile .profile-link-hint {
  font-size: 12px;
}

.topbar .user-profile .profile-toolbar {
  gap: 14px;
  padding-left: 14px;
}

.topbar .user-profile .profile-points-chip {
  gap: 10px;
}

.topbar .user-profile .profile-points-item {
  min-width: auto;
  gap: 2px;
  align-items: flex-start;
  padding: 4px 10px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.topbar .user-profile .profile-points-label {
  font-size: 10.5px;
  font-weight: 750;
  color: #64748b;
}

.topbar .user-profile .profile-points-item strong {
  font-size: 14.5px;
  font-weight: 900;
  color: #0f172a;
}

.topbar .user-profile .profile-points-item.is-remaining {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.topbar .user-profile .profile-points-item.is-remaining strong {
  color: #2563eb;
}

.topbar .user-profile .signout-button {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 750;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #64748b;
  cursor: pointer;
  transition: all 0.16s ease;
}

.topbar .user-profile .signout-button:hover {
  background: #fee2e2;
  color: #ef4444;
  border-color: #fecaca;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 860px;
  font-size: clamp(31px, 4vw, 46px);
  line-height: 1.06;
  letter-spacing: 0;
}

.back-button + h1 {
  margin-top: 16px;
}

.subtitle {
  margin-top: 12px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.profile {
  min-width: min(100%, 320px);
  max-width: min(100%, 600px);
  min-height: 108px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-weight: 800;
}

.avatar {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-soft);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--line);
  object-fit: cover;
  overflow: hidden;
}

.avatar.avatar-default,
.avatar-image.avatar-default {
  background: var(--surface-soft);
}

.avatar-default-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.user-profile .avatar,
.user-profile .avatar.avatar-image {
  width: 84px;
  height: 84px;
  border-width: 3px;
}

.avatar-image,
.profile-avatar.avatar-image {
  background: #fff;
}

.profile-link {
  min-width: 140px;
  flex: 1 1 160px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 8px 10px;
  margin: -8px -10px;
  border: 0;
  border-radius: calc(var(--radius) - 4px);
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease;
}

.profile-link:hover,
.profile-link:focus-visible {
  background: var(--blue-soft);
  outline: none;
}

.profile-link-copy {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.profile-link-name {
  min-width: 0;
  max-width: 20ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 18px;
  line-height: 1.2;
}

.profile-link-hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1.2;
}

.profile-link-hint svg {
  width: 14px;
  height: 14px;
}

.profile-toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.profile-points-chip {
  display: flex;
  align-items: center;
  gap: 22px;
}

.profile-points-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  min-width: 58px;
}

.profile-points-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.2;
  white-space: nowrap;
}

.profile-points-item strong {
  font-size: 15px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--ink);
}

.profile-points-item.is-remaining strong {
  color: var(--blue);
}

.profile-sync-status {
  border: 0;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--muted);
  background: color-mix(in srgb, var(--muted) 12%, white);
}

.profile-sync-status:disabled {
  cursor: wait;
  opacity: 0.78;
}

.profile-sync-status.is-busy {
  color: var(--blue);
  background: var(--blue-soft);
}

.profile-sync-status.is-ok {
  color: #15803d;
  background: #dcfce7;
}

.profile-sync-status.is-warn {
  color: #b45309;
  background: #fef3c7;
}

.profile-sync-status[hidden] {
  display: none !important;
}

.signout-button {
  width: 100%;
  min-height: 34px;
  margin-top: 12px;
  border-radius: var(--radius-sm);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
  cursor: pointer;
}

.signout-button.compact {
  flex: 0 0 auto;
  width: auto;
  min-height: 40px;
  margin-top: 0;
  padding: 0 18px;
  background: #f4f7fb;
  color: #475569;
  font-size: 13px;
}

.auth-shell {
  grid-column: 1 / -1;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(230, 240, 255, 0.98) 0, rgba(247, 250, 252, 0.45) 560px, rgba(247, 250, 252, 0) 860px),
    var(--bg);
}

.auth-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  padding: 16px clamp(18px, 5vw, 64px);
  border-bottom: 1px solid rgba(221, 231, 242, 0.82);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  gap: 22px;
}

.auth-brand {
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: start;
}

.auth-brand span:last-child {
  display: grid;
  gap: 2px;
}

.auth-brand strong {
  font-size: 18px;
  line-height: 1;
}

.auth-brand small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.auth-nav-links {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.auth-nav-links a,
.auth-login-link {
  color: #4f5f77;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

.auth-nav-links a:hover,
.auth-login-link:hover {
  color: var(--blue);
}

.auth-nav-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.auth-nav-cta {
  min-height: 42px;
  padding: 0 16px;
  font-size: 14px;
}

.auth-landing {
  width: min(1320px, calc(100% - clamp(28px, 8vw, 112px)));
  margin: 0 auto;
  padding: clamp(24px, 4vw, 44px) 0 34px;
  display: grid;
  gap: 12px;
}

.auth-hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(560px, 1.08fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: center;
}

.auth-hero-copy {
  display: grid;
  gap: 20px;
}

.auth-hero-copy h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(38px, 4.55vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

.auth-hero-copy .subtitle {
  max-width: 650px;
  margin: 0;
  color: #495a73;
  font-size: clamp(16px, 1.38vw, 20px);
  font-weight: 600;
  line-height: 1.55;
}

.auth-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.auth-secondary-cta {
  background: #fff;
}

.auth-proof-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 680px;
}

.auth-proof-row span {
  min-height: 82px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  color: #52637d;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}

.auth-proof-row strong {
  display: block;
  color: var(--text);
  font-size: 22px;
  line-height: 1.05;
  margin-bottom: 5px;
}

.auth-school-stage {
  min-width: 0;
  padding: clamp(12px, 1.35vw, 18px);
  border: 1px solid rgba(203, 213, 225, 0.92);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 28px 80px rgba(28, 45, 72, 0.15);
  display: grid;
  gap: 14px;
}

.auth-school-photo {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: var(--radius);
  background: #edf4ff;
  aspect-ratio: 4 / 3;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.06);
}

.auth-school-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.auth-school-learning-strip {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 12px;
}

.auth-today-card,
.auth-progress-card {
  min-width: 0;
  min-height: 118px;
  padding: 16px;
  border: 1px solid #dce7f5;
  border-radius: var(--radius);
  background: #fbfdff;
}

.auth-today-card {
  display: grid;
  align-content: center;
  gap: 8px;
}

.auth-today-step {
  width: max-content;
  max-width: 100%;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: #fff5df;
  color: #9a6a0a;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 950;
}

.auth-today-card strong {
  color: var(--text);
  font-size: clamp(19px, 1.6vw, 24px);
  line-height: 1.16;
}

.auth-today-card p,
.auth-progress-card p {
  margin: 0;
  color: #5c6b84;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.45;
}

.auth-progress-card {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.auth-progress-card strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.2;
}

.auth-product-preview {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  padding: clamp(18px, 2.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    radial-gradient(circle at 10% 6%, rgba(216, 95, 31, 0.15), transparent 180px),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 26px 70px rgba(28, 45, 72, 0.13);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 20px;
}

.auth-preview-main {
  display: grid;
  align-content: start;
  gap: 20px;
}

.auth-preview-top {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.auth-step {
  width: 48px;
  height: 48px;
  border: 1px solid #f7c8ad;
  border-radius: 14px;
  background: #fff2e8;
  color: var(--orange);
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 950;
}

.auth-preview-top h2 {
  margin: 0;
  font-size: clamp(26px, 2.75vw, 36px);
  line-height: 1.05;
}

.auth-preview-top p {
  margin: 8px 0 0;
  color: #607089;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.auth-preview-progress {
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: #e5ebf4;
}

.auth-preview-progress span {
  display: block;
  width: 31%;
  height: 100%;
  border-radius: inherit;
  background: #e92929;
}

.auth-question-card {
  min-height: 340px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  display: grid;
  gap: 18px;
  align-content: start;
}

.auth-question-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: #64748b;
  font-weight: 950;
}

.auth-question-meta span {
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff0e5;
  color: var(--orange);
}

.auth-question-tip {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: #fff7ef;
  color: #66758d;
  font-size: 14px;
  font-weight: 850;
  line-height: 1.45;
}

.auth-question-card h3 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(22px, 2.25vw, 30px);
  line-height: 1.18;
}

.auth-question-card label {
  margin-top: auto;
  display: grid;
  gap: 8px;
  color: #334155;
  font-weight: 950;
}

.auth-question-card input {
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: #667085;
  font: inherit;
  font-weight: 800;
}

.auth-question-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auth-blue-button,
.auth-outline-button {
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 950;
}

.auth-blue-button {
  background: var(--blue);
  color: #fff;
}

.auth-outline-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

.auth-blue-button svg,
.auth-outline-button svg,
.auth-mission-card svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.5;
}

.auth-preview-side {
  display: grid;
  align-content: start;
  gap: 14px;
  padding-top: 84px;
}

.auth-note-card,
.auth-mini-progress {
  border: 1px solid #f5c7ad;
  border-radius: var(--radius);
  background: #fff8f1;
  box-shadow: 0 18px 40px rgba(28, 45, 72, 0.08);
}

.auth-note-card {
  min-height: 230px;
  padding: 18px;
}

.auth-note-card span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

.auth-note-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
  line-height: 1.15;
}

.auth-note-card p,
.auth-mini-progress p {
  margin: 10px 0 0;
  color: #61708a;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.45;
}

.auth-mini-progress {
  padding: 16px;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.auth-donut {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: conic-gradient(var(--blue) 0 70%, #e5ebf4 70% 100%);
  display: grid;
  place-items: center;
}

.auth-donut span {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #fff;
  color: var(--text);
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 950;
}

.auth-mini-progress strong {
  font-size: 16px;
  line-height: 1.25;
}

@media (max-width: 1320px) {
  .auth-hero {
    grid-template-columns: minmax(320px, 0.78fr) minmax(500px, 1fr);
    gap: clamp(24px, 4vw, 44px);
  }

  .auth-school-learning-strip {
    grid-template-columns: 1fr;
  }

  .auth-product-preview {
    grid-template-columns: 1fr;
  }

  .auth-preview-side {
    display: none;
  }
}

.auth-signup-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
  gap: clamp(22px, 4vw, 48px);
  align-items: center;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid #f3c8ae;
  border-radius: 14px;
  background: linear-gradient(120deg, #fff8f1 0%, #ffffff 58%, #f7fbff 100%);
  box-shadow: var(--shadow);
}

.auth-signup-copy {
  display: grid;
  gap: 14px;
}

.auth-signup-copy h2,
.auth-section-head h2,
.auth-final-cta h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.12;
}

.auth-signup-copy p,
.auth-section-head p,
.auth-final-cta p {
  max-width: 650px;
  margin: 0;
  color: #5b6b84;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.55;
}

.auth-signup-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.auth-signup-checks span {
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: #3d4b61;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 900;
}

.auth-signup-checks svg {
  width: 17px;
  height: 17px;
  color: var(--green);
  stroke-width: 2.6;
}

.auth-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.auth-card--conversion {
  align-self: stretch;
  box-shadow: 0 24px 60px rgba(28, 45, 72, 0.12);
}

.auth-tabs {
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f5f8fc;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
}

.auth-tabs button {
  min-height: 38px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-weight: 900;
  cursor: pointer;
}

.auth-tabs button.is-active {
  background: #fff;
  color: var(--blue);
  box-shadow: 0 6px 16px rgba(28, 45, 72, 0.08);
}

.auth-loading-shell {
  grid-column: 1 / -1;
  min-height: 100vh;
  padding: clamp(18px, 5vw, 54px);
  display: grid;
  place-items: center;
}

.auth-loading-card {
  width: min(420px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
}

.auth-loading-card .brand-mark {
  width: 52px;
  height: 52px;
}

.auth-loading-card h1 {
  max-width: 340px;
  margin: 0;
  font-size: 28px;
  line-height: 1.18;
}

.auth-loading-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.auth-loading-skeleton {
  width: min(320px, 100%);
  padding-top: 4px;
  display: grid;
  gap: 10px;
}

.auth-skeleton-line,
.auth-skeleton-row span,
.loading-skeleton-line,
.loading-skeleton-row span {
  display: block;
  min-width: 0;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, rgba(234, 241, 255, 0), rgba(255, 255, 255, 0.82), rgba(234, 241, 255, 0)),
    #e6eef9;
  background-size: 220% 100%;
  animation: skeleton-loading-shimmer 1.25s ease-in-out infinite;
}

.auth-skeleton-line {
  height: 13px;
  width: 74%;
  justify-self: center;
}

.auth-skeleton-line--wide {
  width: 92%;
}

.auth-skeleton-row,
.loading-skeleton-row {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 10px;
}

.auth-skeleton-row span {
  height: 34px;
}

.startup-skeleton-app {
  min-height: 100vh;
}

.startup-skeleton-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 36px;
}

.startup-skeleton-topbar {
  align-items: center;
}

.startup-profile-skeleton {
  min-width: 220px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  display: grid;
  gap: 10px;
}

.startup-profile-skeleton span,
.subject-meta-skeleton {
  display: block;
  min-width: 0;
}

.startup-profile-skeleton span {
  height: 12px;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, rgba(234, 241, 255, 0), rgba(255, 255, 255, 0.82), rgba(234, 241, 255, 0)),
    #e6eef9;
  background-size: 220% 100%;
  animation: skeleton-loading-shimmer 1.25s ease-in-out infinite;
}

.startup-profile-skeleton span:first-child {
  width: 72%;
}

.startup-profile-skeleton span:last-child {
  width: 100%;
}

.startup-ring-skeleton {
  color: transparent;
}

.startup-ring-skeleton::before {
  background:
    linear-gradient(90deg, rgba(234, 241, 255, 0), rgba(255, 255, 255, 0.82), rgba(234, 241, 255, 0)),
    #e6eef9;
  background-size: 220% 100%;
  animation: skeleton-loading-shimmer 1.25s ease-in-out infinite;
}

.subject-card--skeleton {
  pointer-events: none;
}

.subject-card--skeleton .subject-top {
  align-items: center;
}

.subject-card--skeleton .subject-top > .loading-skeleton-line {
  width: min(160px, 38vw);
}

.subject-meta-skeleton {
  height: 12px;
  width: 96px;
}

.subject-meta-skeleton.loading-skeleton-line--wide {
  width: 138px;
}

.startup-recommend-skeleton .recommend-head > div,
.startup-recommend-skeleton .recommend-body {
  display: grid;
  gap: 10px;
  min-width: 0;
}

@keyframes skeleton-loading-shimmer {
  0% {
    background-position: 120% 0;
  }

  100% {
    background-position: -120% 0;
  }
}

.field {
  display: grid;
  gap: 7px;
  color: #3d4b61;
  font-weight: 900;
}

.field input,
.field select {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
  color: var(--text);
  font: inherit;
  outline: none;
}

.field select {
  cursor: pointer;
}

.field input:focus,
.field select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(24, 101, 242, 0.12);
}

.auth-notice {
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  background: var(--orange-soft);
  color: #9a3412;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
}

.auth-google-button {
  min-height: 46px;
  width: 100%;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: #334155;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.auth-google-button:hover:not(:disabled) {
  background: #f8fafc;
}

.auth-google-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.auth-google-button svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.auth-notice.is-success {
  background: #ecfdf3;
  color: #166534;
}

.auth-text-link {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blue);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  text-decoration: underline;
  cursor: pointer;
}

.auth-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.auth-feature-grid article,
.auth-showcase-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(28, 45, 72, 0.06);
}

.auth-feature-grid article {
  display: grid;
  gap: 14px;
}

.auth-feature-grid h2,
.auth-showcase-card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.auth-feature-grid p,
.auth-showcase-card p {
  margin: 0;
  color: #5f6f88;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
}

.auth-showcase {
  display: grid;
  gap: 24px;
}

.auth-section-head {
  display: grid;
  gap: 10px;
}

.auth-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.auth-showcase-card {
  display: grid;
  gap: 20px;
}

.auth-card-title {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.auth-mini-question,
.auth-mission-card {
  min-height: 180px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fbff;
  display: grid;
  align-content: start;
  gap: 10px;
}

.auth-mini-question span {
  width: max-content;
  max-width: 100%;
  padding: 7px 12px;
  border-radius: 999px;
  background: #fff0e5;
  color: var(--orange);
  font-size: 13px;
  font-weight: 950;
}

.auth-mini-question strong,
.auth-mission-card strong {
  color: var(--text);
  font-size: 21px;
  line-height: 1.2;
}

.auth-subject-bars {
  display: grid;
  gap: 16px;
}

.auth-subject-bars span {
  position: relative;
  overflow: hidden;
  min-height: 58px;
  padding: 0 0 18px;
  color: var(--text);
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  font-weight: 950;
}

.auth-subject-bars span::before,
.auth-subject-bars span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  border-radius: 999px;
}

.auth-subject-bars span::before {
  background: #e5ebf4;
}

.auth-subject-bars span::after {
  width: var(--bar);
  background: var(--tone);
}

.auth-subject-bars strong {
  color: #607089;
  white-space: nowrap;
}

.auth-mission-card {
  border-color: #d7e4f4;
  background: #fbfdff;
}

.auth-mission-card span {
  width: max-content;
  min-height: 44px;
  margin-top: 4px;
  padding: 0 14px;
  border-radius: var(--radius);
  background: var(--blue);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 950;
}

.auth-final-cta {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(120deg, rgba(24, 101, 242, 0.08), rgba(255, 255, 255, 0.96) 42%),
    #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.auth-final-cta > div {
  display: grid;
  gap: 10px;
}

.dashboard-grid {
  display: block;
}

.dashboard-grid > div {
  min-width: 0;
}

.overview-panel,
.recommend-panel,
.subject-card,
.detail-panel,
.topic-row,
.study-plan,
.empty-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.overview-panel {
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
  gap: 28px 36px;
  align-items: center;
  margin-bottom: 32px;
}

.progress-ring {
  --value: 60;
  --ring-color: var(--blue);
  --ring-track: #e5ebe8;
  width: 154px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--surface) 0 54%, transparent 55%),
    conic-gradient(var(--ring-color) calc(var(--value) * 1%), var(--ring-track) 0);
  display: grid;
  place-items: center;
  color: var(--text);
  font-weight: 900;
  font-size: 34px;
}

.progress-ring.is-mastery,
.progress-ring-sm.is-mastery {
  --ring-color: var(--green);
  --ring-track: color-mix(in srgb, var(--green) 18%, var(--surface));
  color: var(--green);
}

.overview-copy {
  display: grid;
  gap: 16px;
}

.overview-copy h2,
.section-title {
  font-size: 19px;
  line-height: 1.3;
}

.section-title {
  margin: 4px 0 20px;
}

.home-subject-chooser-bar {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 20px;
}

.subject-sort-head {
  margin: 4px 0 20px;
}

.subject-sort-head .section-title {
  margin: 0;
}

.subject-chooser-button {
  min-height: 42px;
  padding-inline: 16px;
  white-space: nowrap;
}

/* Home learning architecture: three calm, clearly separated paths. */
.home-learning-groups {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.learning-group {
  --group-accent: #1865f2;
  --group-soft: #edf4ff;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid #dfe4ec;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 30px rgba(24, 32, 51, 0.055);
}

.home-primary-journey {
  margin: 0 0 28px;
}

.today-layout + .home-primary-journey {
  margin-top: 44px;
}

.learning-group--thinking {
  --group-accent: #c56b08;
  --group-soft: #fff5e8;
}

.learning-group--english {
  --group-accent: #087f72;
  --group-soft: #eaf8f4;
}

.tdn-journey-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.68fr);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 20px;
}

.tdn-journey-layout:has(.recommend-panel.is-collapsed) {
  grid-template-columns: 1fr;
}

.tdn-journey-layout .overview-panel,
.tdn-journey-layout .recommend-panel:not(.is-collapsed) {
  height: 100%;
  margin: 0;
  border-color: #dfe6f0;
  border-radius: 16px;
  background: #fbfcff;
  box-shadow: none;
}

.tdn-journey-layout .overview-panel {
  padding: 24px;
  grid-template-columns: 144px minmax(0, 1fr);
  gap: 24px;
}

.tdn-journey-layout .progress-ring {
  width: 134px;
  height: 134px;
}

.tdn-journey-layout .recommend-panel:not(.is-collapsed) {
  padding: 24px;
}

.learning-group-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.learning-group-head--tdn-progress {
  grid-template-columns: minmax(300px, 1fr) minmax(520px, 590px) minmax(300px, 1fr);
  gap: 20px;
}

.learning-group-title-block {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.learning-group-index {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--group-soft);
  color: var(--group-accent);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.learning-group-copy {
  min-width: 0;
}

.learning-group-eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--group-accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.learning-group-copy h2 {
  color: var(--text);
  font-size: clamp(20px, 2.1vw, 25px);
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.learning-group-copy p {
  max-width: 680px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
  line-height: 1.55;
}

.learning-group-count {
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--group-soft);
  color: var(--group-accent);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-size: 11px;
  font-weight: 850;
}

.tdn-group-progress-summary {
  appearance: none;
  grid-column: 2;
  width: 100%;
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid color-mix(in srgb, var(--group-accent), #ffffff 72%);
  border-radius: 18px;
  background: color-mix(in srgb, var(--group-soft), #ffffff 42%);
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) minmax(152px, 0.42fr);
  grid-template-areas: "ring forecast score";
  align-items: center;
  gap: 18px;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.tdn-group-progress-summary:hover {
  border-color: color-mix(in srgb, var(--group-accent), #ffffff 42%);
  box-shadow: 0 12px 26px rgba(28, 45, 72, 0.1);
  transform: translateY(-2px);
}

.tdn-group-progress-summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--group-accent), #ffffff 42%);
  outline-offset: 4px;
}

.tdn-group-progress-ring {
  grid-area: ring;
  position: relative;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: conic-gradient(var(--group-accent) var(--ring-progress), #e4e9f2 0);
  display: grid;
  place-items: center;
  isolation: isolate;
}

.tdn-group-progress-ring::before {
  position: absolute;
  inset: 9px;
  z-index: -1;
  border-radius: inherit;
  background: #ffffff;
  content: "";
}

.tdn-group-progress-ring > span {
  display: grid;
  justify-items: center;
  line-height: 1;
}

.tdn-group-progress-ring strong {
  color: var(--group-accent);
  font-size: 22px;
  font-weight: 900;
}

.tdn-group-progress-ring small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
}

.tdn-score-prediction {
  grid-area: score;
  min-width: 0;
  min-height: 104px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--group-accent), #ffffff 66%);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--text);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 3px;
  font: inherit;
  text-align: center;
}

.tdn-score-summary {
  max-width: 100%;
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.tdn-score-summary strong {
  color: var(--group-accent);
  font-size: 24px;
  font-weight: 900;
}

.tdn-score-suggestion {
  max-width: 100%;
  color: var(--text);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.tdn-score-history-link {
  color: var(--group-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 9px;
  font-weight: 850;
}

.tdn-score-history-link svg {
  width: 14px;
  height: 14px;
}

.tdn-score-kicker {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
}

.tdn-score-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.tdn-score-value strong,
.tdn-score-empty {
  color: var(--group-accent);
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
}

.tdn-score-value small {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
}

.tdn-score-prediction.is-waiting .tdn-score-empty {
  color: #87938d;
}

.tdn-score-range {
  color: var(--text);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.25;
}

.tdn-score-confidence {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.3;
}

.tdn-score-confidence.is-medium,
.tdn-score-confidence.is-high {
  color: var(--group-accent);
}

.tdn-score-next {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.25;
}

.tdn-group-forecast {
  grid-area: forecast;
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 5px;
}

.tdn-group-forecast .learning-group-count {
  grid-column: auto;
  min-height: 26px;
  padding-inline: 9px;
}

.tdn-group-forecast > strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}

.tdn-group-forecast > strong em {
  color: var(--group-accent);
  font-style: normal;
  font-weight: 900;
}

.tdn-group-completion-date {
  color: var(--group-accent);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.35;
}

.tdn-group-completion-date b {
  font-weight: 900;
}

.tdn-group-forecast > small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
  line-height: 1.45;
}

.tdn-pace-strip {
  display: grid;
  grid-template-columns: minmax(220px, 0.95fr) minmax(260px, 1.05fr);
  gap: 16px 22px;
  align-items: center;
  margin: 0 0 20px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--group-accent), #ffffff 72%);
  border-radius: 18px;
  background: color-mix(in srgb, var(--group-soft), #ffffff 48%);
}

.tdn-pace-today,
.tdn-pace-week {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.tdn-pace-kicker {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.tdn-pace-kicker svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  color: var(--group-accent);
}

.tdn-pace-today-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.tdn-pace-bar {
  height: 10px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--group-accent) 16%, #ffffff);
}

.tdn-pace-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--group-accent);
}

.tdn-pace-today strong,
.tdn-pace-week-head strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.3;
  white-space: nowrap;
}

.tdn-pace-met {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
}

.tdn-pace-today.is-met .tdn-pace-bar i {
  background: var(--green);
}

.tdn-pace-today.is-met .tdn-pace-kicker svg {
  color: var(--green);
}

.tdn-pace-week-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.tdn-pace-days {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.tdn-pace-day {
  min-width: 0;
  display: grid;
  justify-items: center;
  gap: 5px;
}

.tdn-pace-dot {
  width: 12px;
  height: 12px;
  border: 2px solid color-mix(in srgb, var(--group-accent), #ffffff 48%);
  border-radius: 50%;
  background: transparent;
}

.tdn-pace-day.is-partial .tdn-pace-dot {
  background: color-mix(in srgb, var(--group-accent), #ffffff 42%);
}

.tdn-pace-day.is-filled .tdn-pace-dot {
  border-color: var(--group-accent);
  background: var(--group-accent);
}

.tdn-pace-day.is-weekend .tdn-pace-dot {
  width: 13px;
  height: 13px;
  border-width: 3px;
}

.tdn-pace-day.is-today .tdn-pace-dot {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--group-accent) 28%, transparent);
}

.tdn-pace-day.is-weekend.is-today .tdn-pace-dot {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--group-accent) 34%, transparent);
}

.tdn-pace-day small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  line-height: 1;
}

.tdn-pace-day.is-today small {
  color: var(--group-accent);
  font-weight: 850;
}

[data-theme="dark"] .tdn-pace-strip {
  border-color: color-mix(in srgb, var(--group-accent), #1d2839 62%);
  background: color-mix(in srgb, var(--group-accent) 12%, var(--surface));
}

[data-theme="dark"] .tdn-pace-bar {
  background: color-mix(in srgb, var(--group-accent) 22%, var(--surface));
}

@media (max-width: 720px) {
  .tdn-pace-strip {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 14px;
  }

  .tdn-pace-today strong,
  .tdn-pace-week-head strong {
    font-size: 12px;
  }

  .tdn-pace-dot {
    width: 11px;
    height: 11px;
  }
}

.profile-modal.tdn-progress-modal {
  z-index: 1100;
  padding: 18px;
}

.profile-modal-dialog.tdn-progress-dialog {
  width: min(100%, 980px);
  max-height: calc(100dvh - 36px);
  padding: 0;
  border: 2px solid #1e2422;
  border-radius: 24px 20px 26px 21px;
  background: #fffdf4;
  box-shadow: 9px 11px 0 rgba(30, 36, 34, 0.92), 0 30px 80px rgba(15, 23, 42, 0.24);
  overflow: auto;
  gap: 0;
}

.profile-modal-dialog.tdn-progress-dialog:focus {
  outline: none;
}

.tdn-progress-dialog-head {
  padding: 28px 30px 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
}

.tdn-progress-dialog-head h2 {
  margin: 3px 0 7px;
  color: #1e2422;
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.tdn-progress-dialog-head p {
  max-width: 680px;
  margin: 0;
  color: #626d68;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.tdn-progress-dialog-kicker {
  color: #0e8f79;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tdn-progress-dialog .profile-modal-close {
  width: 42px;
  height: 42px;
  border: 2px solid #1e2422;
  background: #fffdf4;
  color: #1e2422;
  box-shadow: 2px 3px 0 #1e2422;
}

.tdn-progress-dialog .profile-modal-close:hover,
.tdn-progress-dialog .profile-modal-close:focus-visible {
  background: #f3d37c;
  outline: none;
  transform: translate(-1px, -1px);
  box-shadow: 3px 4px 0 #1e2422;
}

.tdn-progress-highlight-grid {
  padding: 0 30px 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tdn-progress-highlight {
  min-width: 0;
  padding: 16px 17px;
  border: 2px solid #1e2422;
  border-radius: 16px 13px 18px 14px;
  background: #e7f0eb;
  box-shadow: 3px 4px 0 #1e2422;
  display: grid;
  align-content: center;
  gap: 4px;
}

.tdn-progress-highlight.is-score { background: #e9efff; }
.tdn-progress-highlight.is-date { background: #f5df9c; }

.tdn-progress-highlight > span {
  color: #5f6965;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.tdn-progress-highlight strong {
  color: #1e2422;
  font-size: clamp(21px, 2.5vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.tdn-progress-highlight.is-progress strong { color: #0e8f79; }
.tdn-progress-highlight.is-score strong { color: #2563eb; }

.tdn-progress-highlight small {
  min-height: 30px;
  color: #65716c;
  font-size: 10px;
  font-weight: 650;
  line-height: 1.45;
}

.tdn-progress-chart-card {
  margin: 0 30px;
  padding: 20px 20px 16px;
  border: 2px solid #1e2422;
  border-radius: 19px 15px 21px 16px;
  background: #ffffff;
  box-shadow: 3px 4px 0 #1e2422;
}

.tdn-progress-chart-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.tdn-progress-chart-head h3 {
  margin: 0;
  color: #1e2422;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
}

.tdn-progress-chart-head p {
  margin: 3px 0 0;
  color: #737d79;
  font-size: 10px;
  font-weight: 650;
}

.tdn-progress-chart-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.tdn-progress-chart-filters button {
  min-height: 32px;
  padding: 0 10px;
  border: 1.5px solid #cad2ce;
  border-radius: 999px;
  background: #fffdf4;
  color: #5f6965;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font: 750 9px/1.2 "Be Vietnam Pro", sans-serif;
  cursor: pointer;
}

.tdn-progress-chart-filters button.is-active {
  border-color: #1e2422;
  background: #1e2422;
  color: #ffffff;
}

.tdn-progress-chart-filters i,
.tdn-progress-chart-legend i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

.tdn-progress-chart-filters .is-score,
.tdn-progress-chart-legend .is-score { color: #2563eb; }
.tdn-progress-chart-filters .is-progress,
.tdn-progress-chart-legend .is-progress { color: #0e8f79; }

.tdn-progress-chart-wrap {
  width: 100%;
  height: 280px;
  margin-top: 10px;
}

.tdn-progress-chart-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.tdn-progress-chart-legend {
  display: flex;
  justify-content: center;
  gap: 18px;
  color: #66716c;
  font-size: 10px;
  font-weight: 750;
}

.tdn-progress-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tdn-progress-week-list {
  margin: 20px 30px 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.tdn-progress-week {
  min-width: 0;
  padding: 10px 11px;
  border: 1.5px solid #d5dbd8;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  display: grid;
  gap: 3px;
}

.tdn-progress-week.is-current {
  border: 2px solid #1e2422;
  background: #e7f0eb;
}

.tdn-progress-week > span {
  color: #67726d;
  font-size: 9px;
  font-weight: 800;
}

.tdn-progress-week strong {
  font-size: 10px;
  font-weight: 850;
}

.tdn-progress-week .is-score { color: #2563eb; }
.tdn-progress-week .is-progress { color: #0e8f79; }

.tdn-progress-dialog-footer {
  margin-top: 20px;
  padding: 20px 30px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.tdn-progress-dialog-footer > div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.tdn-progress-dialog-footer strong {
  color: #1e2422;
  font-size: 14px;
  font-weight: 900;
}

.tdn-progress-dialog-footer span {
  color: #67726d;
  font-size: 11px;
  font-weight: 600;
}

.tdn-progress-dialog-footer .button {
  flex: none;
  min-width: 150px;
}

.learning-group .subjects-grid,
.learning-group .thinking-math-grid {
  gap: 14px;
}

.learning-group .subject-card,
.learning-group .thinking-math-card {
  border-color: #e1e6ed;
  background: #ffffff;
  box-shadow: none;
}

.learning-group .subject-card {
  min-height: 154px;
  padding: 19px;
  gap: 13px;
}

.learning-group .subject-card:hover,
.learning-group .subject-card:focus-visible,
.learning-group .thinking-math-card:hover,
.learning-group .thinking-math-card:focus-visible {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--subject), #ffffff 52%);
  box-shadow: 0 12px 28px rgba(28, 45, 72, 0.09);
}

.learning-group .subject-title {
  font-size: 17px;
  font-weight: 850;
}

.learning-group .subject-weight {
  font-size: 18px;
}

.learning-group .subject-weight span {
  font-size: 10px;
}

.learning-group .subject-drag-row {
  justify-content: flex-start;
}

.learning-group .subject-drag-handle {
  display: none;
}

.learning-group .progress-bar {
  height: 8px;
}

.learning-group .subject-meta {
  font-size: 11px;
}

.learning-group .thinking-math-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.learning-group .thinking-math-card {
  min-height: 206px;
  padding: 18px;
  gap: 10px;
}

.learning-group .thinking-math-card strong {
  font-size: 17px;
}

.learning-group .thinking-detail {
  font-size: 12px;
}

.learning-group .thinking-grade,
.learning-group .thinking-level {
  min-height: 27px;
  font-size: 10px;
}

.learning-group--english .international-english-stage {
  gap: 12px;
}

.learning-group--english .ket-home-card {
  padding: 20px;
  border-color: #dce7e4;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: none;
  grid-template-columns: 62px minmax(0, 1fr) minmax(180px, 220px);
  gap: 16px;
  align-items: start;
}

.learning-group--english .ket-home-badge {
  width: 58px;
  min-width: 58px;
  height: 58px;
  border-radius: 17px;
  font-size: 15px;
  box-shadow: none;
}

.learning-group--english .movers-home-badge {
  font-size: 10px;
}

.learning-group--english .ket-home-copy h2 {
  font-size: 19px;
}

.learning-group--english .ket-home-copy p {
  font-size: 12px;
  line-height: 1.5;
}

.learning-group--english .ket-eyebrow {
  font-size: 9px;
}

.learning-group--english .ket-skill-pills span {
  padding: 4px 7px;
  font-size: 9px;
}

[data-theme="dark"] .learning-group,
[data-theme="dark"] .learning-group .subject-card,
[data-theme="dark"] .learning-group .thinking-math-card,
[data-theme="dark"] .learning-group--english .ket-home-card,
[data-theme="dark"] .tdn-journey-layout .overview-panel,
[data-theme="dark"] .tdn-journey-layout .recommend-panel:not(.is-collapsed),
[data-theme="dark"] .tdn-score-prediction {
  border-color: var(--line);
  background: var(--surface);
}

[data-theme="dark"] .profile-modal-dialog.tdn-progress-dialog {
  border-color: #b9c5d5;
  background: #151e2d;
  box-shadow: 7px 9px 0 rgba(5, 9, 16, 0.9), 0 30px 80px rgba(0, 0, 0, 0.46);
}

[data-theme="dark"] .tdn-progress-dialog-head h2,
[data-theme="dark"] .tdn-progress-highlight strong,
[data-theme="dark"] .tdn-progress-chart-head h3,
[data-theme="dark"] .tdn-progress-dialog-footer strong {
  color: #f5f7fb;
}

[data-theme="dark"] .tdn-progress-dialog-head p,
[data-theme="dark"] .tdn-progress-highlight > span,
[data-theme="dark"] .tdn-progress-highlight small,
[data-theme="dark"] .tdn-progress-chart-head p,
[data-theme="dark"] .tdn-progress-chart-legend,
[data-theme="dark"] .tdn-progress-week > span,
[data-theme="dark"] .tdn-progress-dialog-footer span {
  color: #abb8ca;
}

[data-theme="dark"] .tdn-progress-dialog .profile-modal-close,
[data-theme="dark"] .tdn-progress-highlight,
[data-theme="dark"] .tdn-progress-chart-card,
[data-theme="dark"] .tdn-progress-week,
[data-theme="dark"] .tdn-progress-chart-filters button {
  border-color: #7f8ba0;
  background: #1d2839;
  box-shadow: none;
}

[data-theme="dark"] .tdn-progress-highlight.is-score { background: #19294b; }
[data-theme="dark"] .tdn-progress-highlight.is-date { background: #3b321b; }
[data-theme="dark"] .tdn-progress-week.is-current { background: #17342f; }
[data-theme="dark"] .tdn-progress-chart-filters button.is-active {
  border-color: #eef3fa;
  background: #eef3fa;
  color: #162031;
}

@media (max-width: 1180px) {
  .learning-group .thinking-math-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learning-group-head--tdn-progress {
    grid-template-columns: 1fr;
  }

  .tdn-group-progress-summary {
    grid-column: 1;
    width: min(100%, 620px);
    justify-self: center;
  }
}

@media (min-width: 1180px) {
  .learning-group .thinking-math-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .tdn-journey-layout .overview-panel {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .learning-group-head {
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: start;
  }

  .learning-group-head--tdn-progress {
    grid-template-columns: 1fr;
  }

  .learning-group-title-block {
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: start;
  }

  .learning-group-index {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .learning-group-count {
    grid-column: 2;
    width: max-content;
  }

  .learning-group .thinking-math-grid {
    grid-template-columns: 1fr;
  }

  .learning-group--english .ket-home-card {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 16px;
  }

  .learning-group--english .ket-home-badge {
    width: 50px;
    min-width: 50px;
    height: 50px;
    border-radius: 14px;
  }

  .learning-group--english .ket-home-action {
    grid-column: 1 / -1;
  }

  .tdn-progress-highlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tdn-progress-highlight.is-date {
    grid-column: 1 / -1;
  }

  .tdn-progress-chart-head {
    display: grid;
  }

  .tdn-progress-chart-filters {
    justify-content: flex-start;
  }

  .tdn-progress-week-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .home-learning-groups {
    gap: 16px;
    margin-top: 16px;
  }

  .learning-group {
    padding: 16px;
    border-radius: 16px;
  }

  .home-primary-journey {
    margin-bottom: 22px;
  }

  .today-layout + .home-primary-journey {
    margin-top: 28px;
  }

  .learning-group-head {
    margin-bottom: 16px;
  }

  .learning-group-copy h2 {
    font-size: 19px;
  }

  .learning-group-copy p {
    font-size: 12px;
  }

  .learning-group .subject-card {
    padding: 16px;
  }

  .learning-group .subject-meta {
    gap: 8px;
  }

  .tdn-group-progress-summary {
    grid-template-columns: 72px minmax(0, 1fr);
    grid-template-areas:
      "ring score"
      "forecast forecast";
    gap: 12px;
    padding: 14px;
    border-radius: 16px;
  }

  .tdn-group-progress-ring {
    width: 72px;
    height: 72px;
  }

  .tdn-score-prediction {
    min-height: 72px;
    padding: 8px 10px;
  }

  .tdn-score-value strong,
  .tdn-score-empty {
    font-size: 22px;
  }

  .tdn-group-progress-ring strong {
    font-size: 18px;
  }

  .tdn-group-forecast > strong {
    font-size: 13px;
  }

  .tdn-group-completion-date {
    font-size: 10px;
  }

  .profile-modal.tdn-progress-modal {
    padding: 8px;
  }

  .profile-modal-dialog.tdn-progress-dialog {
    max-height: calc(100dvh - 16px);
    border-radius: 18px 15px 20px 16px;
    box-shadow: 4px 5px 0 rgba(30, 36, 34, 0.92), 0 20px 56px rgba(15, 23, 42, 0.25);
  }

  .tdn-progress-dialog-head {
    padding: 20px 16px 16px;
    gap: 10px;
  }

  .tdn-progress-dialog-head h2 {
    font-size: 23px;
  }

  .tdn-progress-dialog-head p {
    font-size: 11px;
  }

  .tdn-progress-dialog .profile-modal-close {
    width: 38px;
    height: 38px;
  }

  .tdn-progress-highlight-grid {
    padding: 0 16px 18px;
    gap: 8px;
  }

  .tdn-progress-highlight {
    padding: 13px 12px;
  }

  .tdn-progress-highlight strong {
    font-size: 21px;
  }

  .tdn-progress-chart-card {
    margin: 0 14px;
    padding: 16px 10px 14px;
  }

  .tdn-progress-chart-head {
    padding-inline: 4px;
  }

  .tdn-progress-chart-head h3 {
    font-size: 15px;
  }

  .tdn-progress-chart-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .tdn-progress-chart-filters button {
    flex: none;
  }

  .tdn-progress-chart-wrap {
    height: 235px;
  }

  .tdn-progress-chart-legend {
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .tdn-progress-week-list {
    margin: 16px 14px 0;
  }

  .tdn-progress-dialog-footer {
    padding: 18px 14px 22px;
    display: grid;
  }

  .tdn-progress-dialog-footer .button {
    width: 100%;
  }
}

.home-subject-visibility {
  margin: -4px 0 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  display: grid;
  gap: 14px;
}

.home-subject-visibility-head {
  display: grid;
  gap: 4px;
}

.home-subject-visibility-head strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.home-subject-visibility-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
}

.home-subject-visibility-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.home-subject-toggle {
  min-height: 40px;
  padding: 6px 10px 6px 8px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 70%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 34%);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.home-subject-toggle:hover,
.home-subject-toggle:focus-visible {
  border-color: var(--subject);
  outline: none;
}

.home-subject-toggle > span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  color: var(--subject);
  display: grid;
  place-items: center;
}

.home-subject-toggle svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
}

.home-subject-toggle strong {
  font-size: 13px;
  font-weight: 850;
}

.home-subject-toggle em {
  padding: 4px 8px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--subject);
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
}

.home-subject-toggle.is-hidden {
  border-style: dashed;
  background: #f8fafc;
  opacity: 0.74;
}

.home-subject-toggle.is-hidden em {
  color: var(--muted);
}

.profile-modal.home-subject-modal {
  z-index: 1000;
  padding: 18px;
}

.profile-modal-dialog.home-subject-dialog {
  width: min(100%, 1160px);
  max-height: min(900px, calc(100vh - 36px));
  padding: 0;
  gap: 0;
  border: 1px solid #d8dee8;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(24, 32, 51, 0.22);
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.profile-modal-dialog.home-subject-dialog:focus {
  outline: none;
}

.home-subject-dialog .profile-modal-head {
  padding: 28px 32px 18px;
  align-items: center;
  background: #fff;
}

.home-subject-dialog .profile-modal-head h2 {
  color: #20242c;
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.home-subject-dialog .profile-modal-close {
  width: 44px;
  height: 44px;
  background: #fff;
  border-color: #d8dee8;
  color: #526071;
  font-size: 26px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.home-subject-dialog .profile-modal-close:hover,
.home-subject-dialog .profile-modal-close:focus-visible {
  border-color: #9dacbf;
  background: #f5f7fa;
  outline: none;
}

.home-subject-dialog-note {
  max-width: 720px;
  margin: 8px 0 0;
  color: #687386;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
}

.home-subject-order-list {
  min-height: 0;
  max-height: min(690px, calc(100vh - 226px));
  overflow-y: auto;
  display: grid;
  gap: 22px;
  padding: 0 32px 24px;
  scrollbar-width: thin;
  scrollbar-color: #c8d0db transparent;
}

.home-subject-group {
  display: grid;
  gap: 8px;
}

.home-subject-group-title {
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #4c58b8;
}

.home-subject-group-title > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.home-subject-group-title svg {
  width: 17px;
  height: 17px;
}

.home-subject-group-title em {
  color: #8a94a4;
  font-size: 11px;
  font-style: normal;
  font-weight: 650;
}

.home-subject-group-visibility {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #cfd6e2;
  border-radius: 9px;
  background: #fff;
  color: #4c58b8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.home-subject-group-visibility svg {
  width: 16px;
  height: 16px;
}

.home-subject-group-visibility:hover,
.home-subject-group-visibility:focus-visible {
  border-color: #5b54e8;
  background: #f3f2ff;
  outline: none;
}

.home-subject-group.is-group-hidden .home-subject-group-title {
  color: #697487;
}

.home-subject-group-hidden-note {
  min-height: 78px;
  padding: 16px 18px;
  border: 1px dashed #cfd6e2;
  border-radius: 12px;
  background: #f7f8fa;
  color: #697487;
  display: flex;
  align-items: center;
  gap: 13px;
}

.home-subject-group-hidden-note > span {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: #fff;
  color: #6f7890;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px #dde2ea;
}

.home-subject-group-hidden-note svg {
  width: 20px;
  height: 20px;
}

.home-subject-group-hidden-note strong {
  color: #333d50;
  font-size: 13px;
  font-weight: 800;
}

.home-subject-group-hidden-note p {
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.45;
}

.home-subject-group-list {
  overflow: hidden;
  border: 1px solid #dde2ea;
  border-radius: 12px;
  background: #fff;
}

.home-subject-order-item {
  display: grid;
  grid-template-columns: 30px 38px 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  min-height: 67px;
  padding: 8px 14px 8px 10px;
  border: 0;
  border-bottom: 1px solid #e4e8ee;
  border-radius: 0;
  background: #fff;
  transition: background 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.home-subject-order-item:last-child {
  border-bottom: 0;
}

.home-subject-order-item:hover {
  background: #f8faff;
}

.home-subject-order-item.is-dragging {
  opacity: 0.52;
  background: #edf2ff;
}

.home-subject-order-item.is-drop-target {
  box-shadow: inset 0 3px 0 #5b54e8;
}

.home-subject-drag-handle {
  width: 30px;
  height: 38px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: #95a0b1;
  display: grid;
  place-items: center;
  cursor: grab;
}

.home-subject-drag-handle:active {
  cursor: grabbing;
}

.home-subject-drag-handle:hover,
.home-subject-drag-handle:focus-visible {
  background: #edf1f7;
  color: #39445a;
  outline: none;
}

.home-subject-drag-handle svg {
  width: 19px;
  height: 19px;
}

.home-subject-order-item.is-hidden {
  grid-template-columns: 38px 42px minmax(0, 1fr) auto;
  min-height: 64px;
  border-color: #d7dee8;
  background: #f7f8fa;
  box-shadow: none;
}

.home-subject-order-item.is-hidden .home-subject-order-number,
.home-subject-order-item.is-hidden .home-subject-order-icon {
  background: #ffffff;
  color: #7b8797;
  box-shadow: inset 0 0 0 1px #d7dee8;
}

.home-subject-order-number,
.home-subject-order-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.home-subject-order-number {
  background: #f1f3f6;
  color: #273043;
  box-shadow: none;
  font-size: 13px;
}

.home-subject-order-icon {
  background: var(--subject-soft);
  color: var(--subject);
  box-shadow: none;
}

.home-subject-order-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.4;
}

.home-subject-order-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.home-subject-order-copy strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.25;
}

.home-subject-order-copy em {
  color: #778193;
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
  line-height: 1.35;
}

.home-subject-order-item.is-hidden .home-subject-order-copy em {
  color: var(--muted);
}

.home-subject-hidden-section {
  margin-top: 2px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.home-subject-hidden-title {
  display: grid;
  gap: 4px;
}

.home-subject-hidden-title strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 950;
  line-height: 1.3;
}

.home-subject-hidden-title span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
}

.home-subject-hidden-list {
  overflow: hidden;
  border: 1px solid #dde2ea;
  border-radius: 12px;
  background: #f7f8fa;
}

.home-subject-order-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.home-subject-order-button,
.home-subject-visibility-pill {
  min-height: 34px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 750;
  cursor: pointer;
}

.home-subject-order-button {
  width: 34px;
  padding: 0;
  border: 1px solid #d9dfe8;
  background: #ffffff;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.home-subject-order-item:hover .home-subject-order-button,
.home-subject-order-item:focus-within .home-subject-order-button {
  opacity: 1;
  pointer-events: auto;
}

.home-subject-order-button svg {
  width: 15px;
  height: 15px;
  stroke-width: 2.6;
}

.home-subject-order-button:not(.is-down) svg {
  transform: rotate(90deg);
}

.home-subject-order-button.is-down svg {
  transform: rotate(90deg);
}

.home-subject-action-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.home-subject-order-button:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.home-subject-order-button:not(:disabled):hover,
.home-subject-order-button:not(:disabled):focus-visible,
.home-subject-visibility-pill:hover,
.home-subject-visibility-pill:focus-visible {
  border-color: var(--subject);
  outline: none;
}

.home-subject-visibility-pill {
  min-width: 78px;
  padding: 0 11px;
  border: 1px solid #d4dbe6;
  background: #fff;
  color: #293244;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.home-subject-visibility-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5b54e8;
  box-shadow: 0 0 0 3px #ecebff;
}

.home-subject-order-item.is-hidden .home-subject-visibility-pill {
  background: #ffffff;
  color: #4c58b8;
}

.home-subject-order-item.is-hidden .home-subject-visibility-pill:hover,
.home-subject-order-item.is-hidden .home-subject-visibility-pill:focus-visible {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 36%);
}

.home-subject-dialog-footer {
  min-height: 78px;
  padding: 14px 32px;
  border-top: 1px solid #dfe4eb;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.home-subject-dialog-footer p {
  margin: 0;
  color: #768194;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  line-height: 1.45;
}

.home-subject-dialog-footer p > span {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #f0efff;
  color: #5b54e8;
  display: grid;
  place-items: center;
}

.home-subject-dialog-footer p svg {
  width: 17px;
  height: 17px;
}

.home-subject-dialog-footer .button.primary {
  min-width: 144px;
  min-height: 48px;
  background: #5146e5;
  box-shadow: 0 10px 24px rgba(81, 70, 229, 0.22);
}

.ket-home-stage {
  margin-top: 18px;
}

.ket-home-stage .ket-home-card {
  margin: 0;
}

@media (max-width: 640px) {
  .profile-modal.home-subject-modal {
    padding: 0;
    align-items: stretch;
  }

  .profile-modal-dialog.home-subject-dialog {
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    border: 0;
    border-radius: 0;
  }

  .home-subject-dialog .profile-modal-head {
    padding: 20px 18px 14px;
  }

  .home-subject-dialog .profile-modal-head h2 {
    font-size: 24px;
  }

  .home-subject-dialog-note {
    font-size: 13px;
  }

  .home-subject-order-list {
    max-height: none;
    padding: 0 14px 20px;
    gap: 18px;
  }

  .home-subject-group-title em {
    display: none;
  }

  .home-subject-group-title {
    align-items: flex-start;
    gap: 8px;
  }

  .home-subject-group-title > span {
    padding-top: 8px;
    font-size: 10px;
  }

  .home-subject-group-visibility {
    min-height: 32px;
    padding-inline: 9px;
    font-size: 10px;
  }

  .home-subject-order-item {
    grid-template-columns: 26px 34px minmax(0, 1fr) auto;
    min-height: 64px;
    gap: 8px;
    padding: 8px;
  }

  .home-subject-order-icon {
    width: 34px;
    height: 34px;
  }

  .home-subject-order-number {
    display: none;
  }

  .home-subject-order-copy em {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .home-subject-order-actions {
    gap: 4px;
  }

  .home-subject-order-button {
    display: inline-flex;
    width: 30px;
    min-height: 32px;
    opacity: 1;
    pointer-events: auto;
  }

  .home-subject-visibility-pill {
    min-width: 44px;
    padding: 0 7px;
    font-size: 10px;
  }

  .home-subject-visibility-dot {
    display: none;
  }

  .home-subject-order-item.is-hidden {
    grid-template-columns: 34px minmax(0, 1fr) auto;
  }

  .home-subject-dialog-footer {
    min-height: 76px;
    padding: 12px 16px;
  }

  .home-subject-dialog-footer p {
    display: none;
  }

  .home-subject-dialog-footer .button.primary {
    width: 100%;
  }
}

.section-subtitle {
  max-width: 640px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.overview-stat {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.overview-copy .tiny-note {
  margin-top: 4px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
  background: var(--blue);
}

.dot.green {
  background: var(--green);
}

.dot.purple {
  background: var(--purple);
}

.dot.orange {
  background: var(--orange);
}

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.home-subjects-empty {
  grid-column: 1 / -1;
  padding: 22px;
}

.home-subjects-empty h2 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
}

.home-bonus-section {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.home-bonus-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.home-bonus-head h2 {
  margin: 0;
  color: var(--text);
  font-size: 19px;
  line-height: 1.25;
}

.home-bonus-head p {
  max-width: 760px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.thinking-math-section {
  margin-top: 34px;
  padding: 24px;
  border: 1px solid #dbeafe;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 92% 0%, rgba(24, 101, 242, 0.12), transparent 220px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(239, 246, 255, 0.92));
  box-shadow: var(--shadow);
}

.thinking-math-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.thinking-math-head h2 {
  margin: 0;
  color: var(--text);
  font-size: 22px;
  line-height: 1.2;
}

.thinking-math-head p {
  max-width: 760px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
}

.thinking-math-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.thinking-math-card {
  min-width: 0;
  min-height: 238px;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 76%);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--text);
  display: grid;
  align-content: start;
  gap: 12px;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(28, 45, 72, 0.06);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.thinking-math-card:hover,
.thinking-math-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--subject);
  box-shadow: 0 22px 48px rgba(28, 45, 72, 0.12);
  outline: none;
}

.thinking-grade {
  width: max-content;
  max-width: 100%;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 950;
}

.thinking-level {
  width: max-content;
  max-width: 100%;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #f8fafc;
  color: #64748b;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 900;
}

.thinking-math-card strong {
  color: var(--text);
  font-size: 20px;
  line-height: 1.2;
}

.thinking-detail {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.5;
}

.thinking-progress {
  margin-top: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.thinking-progress > span {
  overflow: hidden;
  height: 9px;
  border-radius: 999px;
  background: #e5ebf4;
}

.thinking-progress > span span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--subject), color-mix(in srgb, var(--subject), #ffffff 34%));
}

.thinking-progress em {
  color: var(--subject);
  font-style: normal;
  font-size: 13px;
  font-weight: 950;
}

.thinking-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #607089;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.thinking-footer span:last-child {
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.thinking-footer svg {
  width: 15px;
  height: 15px;
  stroke-width: 2.5;
}

.subject-card {
  padding: 24px;
  min-height: 168px;
  display: grid;
  gap: 16px;
  cursor: pointer;
  text-align: left;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.subject-card:hover,
.subject-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--subject);
  box-shadow: 0 22px 54px rgba(28, 45, 72, 0.13);
  outline: none;
}

.subject-card.is-dragging,
.thinking-math-card.is-dragging {
  cursor: grabbing;
  opacity: 0.72;
  transform: scale(0.985);
  border-color: var(--subject);
  box-shadow: 0 18px 42px rgba(28, 45, 72, 0.18);
}

.subject-card.is-drop-target,
.thinking-math-card.is-drop-target {
  border-color: var(--subject);
  background: linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 34%) 100%);
}

.subject-top {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.subject-card > div:has(.progress-bar) {
  padding-block: 4px;
}

.subject-title {
  font-size: 20px;
  font-weight: 900;
  line-height: 1.2;
}

.subject-title-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.subject-vip-badge {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border: 1px solid rgba(217, 119, 6, 0.28);
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #fff7d6;
  color: #d97706;
  box-shadow: 0 8px 18px rgba(217, 119, 6, 0.13);
}

.subject-vip-badge svg {
  width: 16px;
  height: 16px;
  fill: #facc15;
  stroke-width: 2.4;
}

.subject-weight {
  color: var(--subject);
  display: grid;
  justify-items: end;
  gap: 2px;
  font-size: 22px;
  font-weight: 900;
}

.subject-weight span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.subject-drag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.thinking-math-card .subject-drag-row {
  align-items: flex-start;
  flex-direction: column;
}

.subject-drag-handle {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
}

.subject-drag-handle {
  gap: 6px;
  padding: 0 10px;
  border: 1px dashed color-mix(in srgb, var(--subject), #ffffff 58%);
  color: color-mix(in srgb, var(--subject), #334155 24%);
  background: rgba(255, 255, 255, 0.7);
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.subject-card.is-dragging .subject-drag-handle {
  cursor: grabbing;
}

.subject-drag-handle svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.6;
}

.icon-box {
  width: 48px;
  height: 48px;
  background: var(--subject-soft);
  color: var(--subject);
  box-shadow: none;
}

.icon-box.has-badge {
  background: transparent;
  padding: 0;
}

.progress-bar {
  height: 12px;
  background: var(--progress-track, #e5ebe8);
  border-radius: 999px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--line) 70%, transparent);
}

.progress-fill {
  height: 100%;
  width: var(--progress);
  background: linear-gradient(90deg, color-mix(in srgb, var(--subject) 88%, var(--green)), var(--subject));
  border-radius: inherit;
  transition: width 0.35s var(--theme-ease, ease), background 0.25s ease;
}

/* Mastery: full green when topic/subject is complete */
.progress-bar.is-mastery .progress-fill,
.progress-fill.is-mastery,
.subject-card.is-mastery .progress-fill {
  background: linear-gradient(90deg, #00c217, var(--green));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--green) 35%, transparent);
}

.progress-bar.is-mastery {
  background: var(--green-soft);
}

.subject-meta,
.tiny-note,
.topic-meta {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.topic-meta-link {
  display: inline;
  padding: 0;
  border: 0;
  background: none;
  color: var(--subject);
  font: inherit;
  line-height: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  cursor: pointer;
}

.topic-meta-link:hover,
.topic-meta-link:focus-visible {
  color: color-mix(in srgb, var(--subject), #000000 18%);
}

.subject-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.subject-wrong-rate {
  color: #b42318;
  font-weight: 850;
  white-space: nowrap;
}

.subject-wrong-rate.is-empty {
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 560px) {
  .subject-meta {
    flex-wrap: wrap;
    row-gap: 4px;
  }

  .subject-wrong-rate {
    flex-basis: 100%;
  }
}

.recommend-panel {
  padding: 28px;
  display: grid;
  gap: 24px;
}

.admin-app {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(234, 241, 255, 0.78), rgba(247, 250, 252, 0) 340px),
    var(--bg);
}

.admin-shell {
  min-height: 100vh;
  padding: clamp(18px, 4vw, 46px);
  display: grid;
  align-content: start;
  gap: 22px;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.admin-hidden-tool-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  opacity: 0.45;
}

.admin-hidden-tool-link:hover,
.admin-hidden-tool-link:focus-visible {
  color: var(--ink);
  opacity: 0.82;
  text-decoration: underline;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.admin-stats div,
.admin-panel,
.admin-report-card,
.admin-question-group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
}

.admin-stats div {
  min-height: 92px;
  padding: 16px;
  display: grid;
  align-content: center;
  gap: 6px;
}

.admin-stats span {
  color: var(--muted);
  font-weight: 850;
}

.admin-stats strong {
  color: var(--blue);
  font-size: 32px;
  line-height: 1;
}

.admin-panel {
  padding: clamp(16px, 3vw, 24px);
  display: grid;
  gap: 16px;
}

.admin-panel[hidden] {
  display: none !important;
}

.admin-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.admin-panel h2 {
  font-size: 22px;
}

.admin-count-chip {
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
}

.report-list {
  display: grid;
  gap: 14px;
}

.admin-report-card {
  padding: 16px;
  display: grid;
  gap: 14px;
  box-shadow: none;
}

.admin-report-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.admin-report-head h3 {
  margin-top: 6px;
  font-size: 18px;
}

.admin-report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-report-meta span {
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: #f4f7fb;
  color: #53617a;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 850;
}

.report-status-pill {
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 900;
}

.report-status-pill.is-new {
  background: var(--orange-soft);
  color: var(--orange);
}

.report-status-pill.is-fixing {
  background: var(--blue-soft);
  color: var(--blue);
}

.report-status-pill.is-fixed {
  background: var(--green-soft);
  color: var(--green);
}

.report-status-pill.is-approved {
  background: var(--green-soft);
  color: var(--green);
}

.admin-report-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.95fr) minmax(0, 0.95fr);
  gap: 12px;
}

.admin-report-body--feedback {
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
}

.admin-report-body > div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
  display: grid;
  gap: 6px;
}

.admin-report-body strong {
  color: #182235;
}

.admin-report-body p {
  color: #3b4659;
  line-height: 1.5;
}

.admin-answer-line strong {
  color: var(--blue);
  font-size: 18px;
}

.admin-answer-bank {
  display: grid;
  gap: 12px;
}

.admin-question-group {
  overflow: hidden;
  box-shadow: none;
}

.admin-question-group summary {
  min-height: 54px;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-weight: 900;
}

.admin-question-group summary strong {
  color: var(--blue);
  white-space: nowrap;
}

.admin-question-list {
  display: grid;
  gap: 14px;
}

.admin-question-answer {
  margin: 0;
  box-shadow: none;
}

.admin-question-answer p {
  color: #253147;
  line-height: 1.5;
}

.admin-question-body {
  display: grid;
  gap: 10px;
}

.admin-question-body .question-stem {
  margin: 0;
  color: #253147;
  font-size: 16px;
  line-height: 1.5;
}

.admin-question-body .question-choices {
  margin: 0;
}

.admin-question-body .question-visual {
  --subject: var(--blue);
  --subject-soft: var(--blue-soft);
}

.admin-visual-tag {
  color: var(--blue);
  font-weight: 900;
}

.admin-question-visual-filters {
  grid-column: 1 / -1;
  align-items: center;
}

.admin-filter-pills-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
  margin-right: 4px;
}

.admin-answer-foot {
  display: grid;
  gap: 4px;
}

.admin-answer-preview input {
  color: var(--green);
  font-weight: 900;
}

.admin-question-pagination:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.admin-answer-foot strong {
  color: var(--green);
}

.admin-answer-foot span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.admin-report-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.admin-users-controls,
.admin-users-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.admin-users-controls {
  margin-bottom: 16px;
}

.admin-users-page-size {
  display: grid;
  gap: 6px;
  min-width: 150px;
}

.admin-users-page-size span,
.admin-users-pagination span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.admin-users-page-size select {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
}

.admin-users-page-size select:focus {
  outline: 2px solid var(--blue-soft);
  border-color: #bfd3ff;
}

.admin-users-pagination {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.admin-users-pagination div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-users-pagination strong {
  color: var(--ink);
  font-size: 0.95rem;
  white-space: nowrap;
}

.admin-users-table-wrap {
  overflow-x: auto;
}

.admin-users-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
}

.admin-users-table th,
.admin-users-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.admin-users-table th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  background: #f8fafc;
}

.admin-users-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-users-table td strong {
  color: var(--blue);
}

.admin-award-points-button {
  white-space: nowrap;
}

.admin-user-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-vip-button {
  white-space: nowrap;
}

.admin-delete-user-button {
  white-space: nowrap;
}

.admin-user-detail-link,
.admin-user-detail-count {
  border: 0;
  padding: 0;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.admin-user-detail-link strong,
.admin-user-detail-count strong {
  color: var(--blue);
}

.admin-user-detail-link:hover strong,
.admin-user-detail-count:hover strong,
.admin-user-detail-count:hover {
  text-decoration: underline;
}

.admin-user-detail-button {
  white-space: nowrap;
}

.admin-user-detail-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.admin-user-detail-stats > div {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  display: grid;
  gap: 4px;
}

.admin-user-detail-stats span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.admin-user-detail-stats strong {
  color: var(--ink);
  font-size: 1.2rem;
}

.admin-user-detail-filters {
  margin-top: 2px;
}

.admin-user-detail-controls {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fafc;
}

.admin-user-practice-list {
  display: grid;
  gap: 12px;
  max-height: min(52vh, 520px);
  overflow-y: auto;
  padding-right: 4px;
}

.admin-user-practice-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  display: grid;
  gap: 8px;
}

.admin-user-practice-item.is-correct {
  border-color: rgba(22, 163, 74, 0.22);
  background: #f7fdf9;
}

.admin-user-practice-item.is-wrong {
  border-color: rgba(220, 38, 38, 0.18);
  background: #fff8f8;
}

.admin-practice-status {
  font-weight: 900;
}

.admin-practice-status.is-correct {
  color: var(--green);
}

.admin-practice-status.is-wrong {
  color: var(--red);
}

.admin-user-practice-question {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.admin-user-practice-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--muted);
  font-size: 13px;
}

.admin-user-practice-foot strong {
  color: var(--ink);
}

.admin-danger-box {
  padding: 14px;
  border: 1px solid rgba(220, 38, 38, 0.22);
  border-radius: var(--radius-sm);
  background: #fff5f5;
  color: #7f1d1d;
  display: grid;
  gap: 6px;
}

.admin-danger-box strong {
  color: #b91c1c;
}

.admin-danger-box p {
  color: #7f1d1d;
  line-height: 1.5;
}

.admin-vip-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.admin-vip-pill.is-active {
  background: rgba(245, 158, 11, 0.16);
  color: #92400e;
}

.admin-vip-pill.is-inactive {
  background: #eef2f7;
  color: #64748b;
}

.admin-award-notice {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.admin-award-notice.is-success {
  background: rgba(34, 139, 87, 0.12);
  color: #1f6b43;
}

.admin-award-notice.is-warning {
  background: rgba(196, 129, 24, 0.12);
  color: #8a5a10;
}

.admin-stats-users strong {
  color: var(--green);
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-tab {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #53617a;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.admin-tab:hover {
  border-color: #c7d5ea;
  color: var(--blue);
}

.admin-tab.is-active {
  background: var(--blue-soft);
  border-color: #bfd3ff;
  color: var(--blue);
}

.admin-filters {
  display: grid;
  gap: 14px;
}

.admin-filters-questions {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 1.2fr) minmax(180px, 0.55fr);
  align-items: end;
}

.admin-filters .field {
  display: grid;
  gap: 6px;
}

.admin-filters .field span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.admin-filters select,
.admin-filters input[type="search"] {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
}

.admin-filters select:focus,
.admin-filters input[type="search"]:focus {
  outline: 2px solid var(--blue-soft);
  border-color: #bfd3ff;
}

.admin-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-filter-pill {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #53617a;
  font: inherit;
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
}

.admin-filter-pill.is-active {
  background: var(--blue-soft);
  border-color: #bfd3ff;
  color: var(--blue);
}

.admin-search-field {
  min-width: 0;
}

.recommend-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.recommend-head > div {
  min-width: 0;
  flex: 1;
}

.recommend-toggle {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.recommend-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2.5px;
}

.recommend-toggle:hover,
.recommend-toggle:focus-visible {
  border-color: #bfd3ff;
  background: var(--blue-soft);
  outline: none;
}

.recommend-body {
  display: grid;
  gap: 24px;
}

.recommend-body[hidden] {
  display: none;
}

/* Collapsed state - floating sidebar tab on the right */
.recommend-panel.is-collapsed {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  width: 52px !important;
  padding: 16px 8px !important;
  border-radius: 16px 0 0 16px;
  border-right: none;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  box-shadow: -5px 0 25px rgba(28, 45, 72, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.recommend-panel.is-collapsed:hover {
  background: #ffffff;
  transform: translateY(-50%) translateX(-3px);
  box-shadow: -6px 0 30px rgba(28, 45, 72, 0.22);
}

.recommend-panel.is-collapsed .recommend-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.recommend-panel.is-collapsed .recommend-head > div {
  display: none;
}

.recommend-panel.is-collapsed .mini-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(216, 95, 31, 0.15);
}

.recommend-panel.is-collapsed .recommend-toggle {
  width: 32px;
  height: 32px;
  min-height: unset;
  padding: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border-color: var(--line);
  background: #fff;
  color: var(--blue);
}

.recommend-panel.is-collapsed .recommend-toggle .toggle-text {
  display: none;
}

.recommend-panel.is-collapsed .recommend-toggle svg {
  margin: 0;
  width: 16px;
  height: 16px;
}

.mini-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--orange-soft);
  color: var(--orange);
}

.recommend-panel h2 {
  font-size: 21px;
}

.recommend-list {
  display: grid;
  gap: 14px;
}

.recommend-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
}

.step-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
}

.recommend-item strong {
  display: block;
  margin-bottom: 6px;
}

.recommend-item p {
  line-height: 1.55;
}

.recommend-review {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
}

.recommend-review .step-number {
  width: 42px;
  height: 42px;
}

.recommend-review h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.25;
}

.recommend-review p {
  color: #3b4659;
  line-height: 1.55;
}

.recommend-review.is-success .step-number {
  background: var(--green-soft);
  color: var(--green);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

.button,
.back-button {
  min-height: 48px;
  padding: 0 20px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
}

.button.primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(24, 101, 242, 0.28);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #0b5ed7;
  outline: none;
}

.button.secondary,
.back-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover,
.back-button:hover {
  border-color: color-mix(in srgb, var(--blue) 35%, var(--line));
  background: var(--blue-soft);
  color: var(--blue);
}

.button.danger {
  border: 1px solid color-mix(in srgb, var(--red) 28%, transparent);
  background: #fff;
  color: var(--red);
}

.button.danger:hover,
.button.danger:focus-visible {
  border-color: color-mix(in srgb, var(--red) 48%, transparent);
  background: var(--red-soft);
  outline: none;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  align-items: start;
}

.practice-detail-layout {
  grid-template-columns: minmax(0, 1fr);
}

.subject-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 66%);
  background:
    radial-gradient(circle at 15% 18%, color-mix(in srgb, var(--subject), #ffffff 82%) 0 70px, transparent 71px),
    linear-gradient(135deg, color-mix(in srgb, var(--subject-soft), #ffffff 14%), #ffffff 68%),
    #fff;
  box-shadow: 0 16px 42px color-mix(in srgb, var(--subject), transparent 88%);
}

.subject-hero--practice {
  padding-bottom: clamp(18px, 2.4vw, 26px);
}

/* AMC Australia: soft Khan Academy–style cultural illustration behind header */
.subject-hero--amc {
  isolation: isolate;
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, var(--subject-soft, #e8f0fe), #ffffff 18%) 0%,
      color-mix(in srgb, #f0f7ff, #ffffff 40%) 42%,
      color-mix(in srgb, #eef6fb, #ffffff 55%) 100%
    ),
    #fff;
}

.subject-hero--amc-middle {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff5eb, #ffffff 8%) 0%,
      color-mix(in srgb, #f7fbff, #ffffff 35%) 48%,
      color-mix(in srgb, #eef8f4, #ffffff 50%) 100%
    ),
    #fff;
}

.subject-hero--amc-upper {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #eef2ff, #ffffff 12%) 0%,
      color-mix(in srgb, #eef7fc, #ffffff 40%) 48%,
      color-mix(in srgb, #e8f0fa, #ffffff 55%) 100%
    ),
    #fff;
}

/* SASMO Singapore: soft cultural illustration behind header */
.subject-hero--sasmo {
  isolation: isolate;
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, var(--subject-soft, #fff6e0), #ffffff 10%) 0%,
      color-mix(in srgb, #fff9ef, #ffffff 35%) 48%,
      color-mix(in srgb, #f7fbff, #ffffff 50%) 100%
    ),
    #fff;
}

.subject-hero--sasmo-g3 {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff7eb, #ffffff 6%) 0%,
      color-mix(in srgb, #fff4e4, #ffffff 30%) 45%,
      color-mix(in srgb, #eef9f5, #ffffff 48%) 100%
    ),
    #fff;
}

.subject-hero--sasmo-g4 {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff6e8, #ffffff 8%) 0%,
      color-mix(in srgb, #fff3df, #ffffff 32%) 48%,
      color-mix(in srgb, #eef8f6, #ffffff 50%) 100%
    ),
    #fff;
}

.subject-hero--sasmo-g5 {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff4e6, #ffffff 8%) 0%,
      color-mix(in srgb, #f3eefc, #ffffff 38%) 50%,
      color-mix(in srgb, #eef4fb, #ffffff 55%) 100%
    ),
    #fff;
}

/* Soft subject color themes (art lives under the topic list, not in the hero) */
.subject-hero--toan,
.subject-hero--amc,
.subject-hero--amc-middle,
.subject-hero--amc-upper,
.subject-hero--sasmo,
.subject-hero--sasmo-g3,
.subject-hero--sasmo-g4,
.subject-hero--sasmo-g5,
.subject-hero--science,
.subject-hero--tieng-viet,
.subject-hero--english,
.subject-hero--lich-su-dia-ly,
.subject-hero--thi-tdn {
  isolation: isolate;
}

.subject-hero--toan {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff6e8, #ffffff 6%) 0%,
      color-mix(in srgb, #fff1dc, #ffffff 30%) 48%,
      color-mix(in srgb, #eef4fb, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero--science {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #f5efff, #ffffff 8%) 0%,
      color-mix(in srgb, #f1eaff, #ffffff 32%) 48%,
      color-mix(in srgb, #eef7ff, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero--tieng-viet {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #eefaf0, #ffffff 6%) 0%,
      color-mix(in srgb, #e6f7e7, #ffffff 30%) 48%,
      color-mix(in srgb, #f7faf0, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero--english {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #eef4ff, #ffffff 8%) 0%,
      color-mix(in srgb, #e7f0fe, #ffffff 32%) 48%,
      color-mix(in srgb, #f3f7ff, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero--lich-su-dia-ly {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #e8faf5, #ffffff 6%) 0%,
      color-mix(in srgb, #e6f9f4, #ffffff 30%) 48%,
      color-mix(in srgb, #f0faf7, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero--thi-tdn {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff7eb, #ffffff 6%) 0%,
      color-mix(in srgb, #fff6e0, #ffffff 30%) 48%,
      color-mix(in srgb, #f7f4ef, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero--amc,
.subject-hero--amc-middle,
.subject-hero--amc-upper {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #eef4ff, #ffffff 8%) 0%,
      color-mix(in srgb, #f0f7ff, #ffffff 36%) 48%,
      color-mix(in srgb, #eef8fb, #ffffff 55%) 100%
    ),
    #fff;
}

.subject-hero--sasmo,
.subject-hero--sasmo-g3,
.subject-hero--sasmo-g4,
.subject-hero--sasmo-g5 {
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, #fff7eb, #ffffff 6%) 0%,
      color-mix(in srgb, #fff4e4, #ffffff 32%) 48%,
      color-mix(in srgb, #eef9f5, #ffffff 52%) 100%
    ),
    #fff;
}

.subject-hero-main {
  display: grid;
  grid-template-columns: 68px minmax(320px, 1fr) minmax(300px, 360px);
  align-items: center;
  gap: clamp(20px, 2.5vw, 32px);
  min-width: 0;
  position: relative;
  z-index: 1;
}

.subject-hero-main > * {
  min-width: 0;
}

.topic-list-stage {
  position: relative;
  z-index: 1;
  min-height: 280px;
  padding: 8px 12px 18px;
}

@media (max-width: 720px) {
  .tdn-journey-layout .recommend-panel {
    display: none;
  }
}

.subject-hero .icon-box {
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: #ffffff;
  color: var(--subject, var(--blue));
  display: grid;
  place-items: center;
  border: 1.5px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 68%);
  box-shadow:
    0 4px 0 color-mix(in srgb, var(--subject, var(--blue)), #000000 10%),
    0 10px 24px color-mix(in srgb, var(--subject, var(--blue)), transparent 80%),
    inset 0 1px 0 #ffffff;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.subject-hero .icon-box:hover {
  transform: translateY(-2px) scale(1.03);
}

/* Subject badge SVGs already include a soft circle fill — drop double white frame */
.subject-hero .icon-box.has-badge {
  background: #ffffff;
  padding: 8px;
  border-radius: 22px;
}

.subject-hero .icon-box.has-badge .subject-badge-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.subject-hero h1 {
  margin: 0;
  color: #0f172a;
  max-width: 920px;
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

.subject-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.subject-hero-badge {
  width: fit-content;
  min-height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: color-mix(in srgb, var(--subject, var(--blue)), #0f172a 35%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 850;
  letter-spacing: 0.01em;
  border: 1px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 65%);
  box-shadow:
    0 2px 8px color-mix(in srgb, var(--subject, var(--blue)), transparent 90%),
    inset 0 1px 0 #ffffff;
}

.subject-hero-badge .badge-spark {
  font-size: 13px;
  display: inline-block;
  animation: pulse-spark 2.5s infinite ease-in-out;
}

@keyframes pulse-spark {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25) rotate(8deg); }
}

.subject-hero .subtitle {
  max-width: 60ch;
  margin: 0;
  color: #475569;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.58;
  white-space: normal;
  text-wrap: pretty;
}

/* 3-Step Guided Learning Flow */
.subject-hero-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.subject-step-item {
  min-height: 38px;
  padding: 4px 14px 4px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: #334155;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  border: 1.5px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 72%);
  box-shadow:
    0 3px 0 color-mix(in srgb, var(--subject, var(--blue)), #000000 8%),
    0 6px 14px rgba(30, 41, 59, 0.05);
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.18s ease;
  cursor: default;
}

.subject-step-item:hover {
  transform: translateY(-2px);
  box-shadow:
    0 5px 0 color-mix(in srgb, var(--subject, var(--blue)), #000000 8%),
    0 10px 18px rgba(30, 41, 59, 0.08);
}

.subject-step-item strong {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--subject, var(--blue)), color-mix(in srgb, var(--subject, var(--blue)), #000 15%));
  color: #ffffff;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 2px 4px color-mix(in srgb, var(--subject, var(--blue)), transparent 60%);
}

.subject-step-item .step-emoji {
  font-size: 14px;
  line-height: 1;
}

.subject-step-arrow {
  color: color-mix(in srgb, var(--subject, var(--blue)), #94a3b8 40%);
  font-size: 13px;
  font-weight: 900;
  opacity: 0.75;
}

/* Gamified Progress & Action Hub */
.subject-hero-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border-radius: 22px;
  border: 1.5px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 65%);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow:
    0 16px 36px -8px rgba(30, 41, 59, 0.1),
    0 2px 6px rgba(30, 41, 59, 0.04),
    inset 0 1px 0 #ffffff;
}

.subject-hero-progress-box {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--subject-soft, #eef4ff), #ffffff 60%);
  border: 1px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 78%);
}

.subject-hero-progress-ring-wrap {
  display: grid;
  place-items: center;
}

.subject-hero .progress-ring-sm {
  --value: 0;
  --ring-color: var(--subject, var(--blue));
  --ring-track: color-mix(in srgb, var(--subject, var(--blue)), #ffffff 82%);
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #ffffff 0 55%, transparent 56%),
    conic-gradient(var(--ring-color) calc(var(--value) * 1%), var(--ring-track) 0);
  display: grid;
  place-items: center;
  color: var(--subject, var(--blue));
  font-weight: 900;
  font-size: 16px;
  line-height: 1;
  box-shadow:
    0 4px 12px color-mix(in srgb, var(--subject, var(--blue)), transparent 82%),
    inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.subject-hero .progress-ring-sm.is-mastery {
  --ring-color: #10b981;
  --ring-track: #d1fae5;
  color: #059669;
}

.subject-hero-progress-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.subject-hero-progress-title {
  color: #64748b;
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.subject-hero-progress-count {
  color: #0f172a;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.2;
  white-space: nowrap;
}

.subject-hero-progress-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  width: fit-content;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.85);
  color: var(--subject, var(--blue));
  border: 1px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 75%);
}

/* Master 3D Playful CTA Button (Duolingo Style) */
.subject-start-button {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--subject, #2563eb), #ffffff 12%) 0%, var(--subject, #2563eb) 100%);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  box-shadow:
    0 4px 0 color-mix(in srgb, var(--subject, #2563eb), #000000 24%),
    0 10px 22px color-mix(in srgb, var(--subject, #2563eb), transparent 68%),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  user-select: none;
}

.subject-start-button:hover,
.subject-start-button:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 6px 0 color-mix(in srgb, var(--subject, #2563eb), #000000 24%),
    0 14px 26px color-mix(in srgb, var(--subject, #2563eb), transparent 62%),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
  outline: none;
}

.subject-start-button:active {
  transform: translateY(3px);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--subject, #2563eb), #000000 24%),
    0 4px 10px color-mix(in srgb, var(--subject, #2563eb), transparent 75%),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.subject-start-button svg {
  width: 18px;
  height: 18px;
  transition: transform 0.16s ease;
}

.subject-start-button:hover svg {
  transform: translateX(4px);
}

/* Generic Subject Stat Card (for coming soon / overview) */
.subject-stat-card {
  min-height: 70px;
  padding: 12px;
  border-radius: 14px;
  display: grid;
  align-content: center;
  gap: 5px;
  background: color-mix(in srgb, var(--subject-soft, #f8fafc), #ffffff 62%);
  border: 1px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 80%);
}

.subject-stat-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
}

.subject-stat-card strong {
  color: var(--subject, var(--blue));
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1;
  white-space: nowrap;
}

.subject-hero-focus {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #ffffff;
  color: #4b5a70;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 78%);
}

.subject-hero-focus .mini-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  background: var(--subject-soft);
  color: var(--subject);
}

.subject-hero-focus p {
  margin: 0;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.45;
}

.subject-vip-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 58%);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), color-mix(in srgb, var(--subject-soft), #ffffff 72%)),
    #fff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 10px 24px color-mix(in srgb, var(--subject), transparent 90%);
}

.subject-vip-cta--renew {
  border-color: color-mix(in srgb, var(--subject), #ffffff 42%);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--subject-soft), #ffffff 48%), rgba(255, 255, 255, 0.98)),
    #fff;
}

.subject-vip-cta-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.subject-vip-cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 5px 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject), #ffffff 84%);
  color: var(--subject);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.subject-vip-cta-badge svg {
  width: 14px;
  height: 14px;
}

.subject-vip-cta-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 600;
}

.subject-vip-cta-button {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--subject);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--subject), transparent 72%);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.subject-vip-cta-button:hover,
.subject-vip-cta-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--subject), transparent 64%);
  outline: none;
}

.subject-vip-cta-button svg {
  width: 16px;
  height: 16px;
}

.subject-saved-panel {
  margin-bottom: 18px;
  padding: clamp(18px, 2.5vw, 24px);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 68%);
  background: linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 55%) 100%);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--subject), transparent 90%);
}

.subject-saved-panel-header {
  margin-bottom: 14px;
}

.subject-saved-panel-title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.2;
}

.subject-saved-panel-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.subject-saved-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.subject-saved-grid:has(.subject-saved-tile:only-child) {
  grid-template-columns: minmax(0, 420px);
}

.subject-saved-tile {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 88px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: 16px;
  background: #fff;
  color: inherit;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  box-shadow: 0 8px 22px rgba(28, 45, 72, 0.06);
}

.subject-saved-tile-leading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.subject-saved-tile:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(28, 45, 72, 0.1);
}

.subject-saved-tile:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 40%);
  outline-offset: 2px;
}

.subject-saved-tile.is-notes {
  border-color: color-mix(in srgb, var(--subject), #ffffff 62%);
}

.subject-saved-tile.is-view-later {
  border-color: color-mix(in srgb, #f59e0b, #ffffff 62%);
}

.subject-saved-tile.is-wrong {
  border-color: color-mix(in srgb, #ef4444, #ffffff 62%);
}

.subject-saved-tile.is-first-wrong {
  border-color: color-mix(in srgb, #f97316, #ffffff 62%);
}

.subject-saved-tile.is-empty {
  opacity: 0.88;
}

.subject-saved-tile-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  flex-shrink: 0;
}

.subject-saved-tile.is-notes .subject-saved-tile-icon {
  background: color-mix(in srgb, var(--subject), #ffffff 84%);
  color: var(--subject);
}

.subject-saved-tile.is-view-later .subject-saved-tile-icon {
  background: color-mix(in srgb, #f59e0b, #ffffff 84%);
  color: #b45309;
}

.subject-saved-tile.is-wrong .subject-saved-tile-icon {
  background: color-mix(in srgb, #ef4444, #ffffff 84%);
  color: #b91c1c;
}

.subject-saved-tile.is-first-wrong .subject-saved-tile-icon {
  background: color-mix(in srgb, #f97316, #ffffff 84%);
  color: #c2410c;
}

.subject-saved-tile-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

.subject-saved-tile-body {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.subject-saved-tile-count {
  color: var(--text);
  font-size: clamp(24px, 4vw, 30px);
  font-weight: 900;
  line-height: 1;
  min-width: 1ch;
}

.subject-saved-tile.is-notes .subject-saved-tile-count {
  color: var(--subject);
}

.subject-saved-tile.is-view-later .subject-saved-tile-count {
  color: #b45309;
}

.subject-saved-tile.is-wrong .subject-saved-tile-count {
  color: #b91c1c;
}

.subject-saved-tile.is-first-wrong .subject-saved-tile-count {
  color: #c2410c;
}

.subject-saved-tile-label {
  font-size: 16px;
  line-height: 1.2;
}

.subject-saved-tile-hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.subject-saved-tile-chevron {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 40%);
  color: var(--subject);
  flex-shrink: 0;
}

.subject-saved-tile-chevron svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.4;
}

.view-later-question-actions {
  margin-top: 12px;
}

.wrong-question-actions {
  margin-top: 12px;
}

.wrong-question-card {
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.wrong-question-card.is-understood {
  border-color: color-mix(in srgb, var(--green), #ffffff 62%);
  background: color-mix(in srgb, var(--green-soft), #ffffff 72%);
}

.wrong-question-card.needs-review {
  border-color: color-mix(in srgb, #f59e0b, #ffffff 48%);
  background: color-mix(in srgb, #fff7df, #ffffff 55%);
}

.wrong-question-card .question-choice-btn:disabled {
  cursor: default;
  opacity: 1;
}

.wrong-question-card .question-choice-btn:disabled:hover {
  border-color: var(--line);
  box-shadow: none;
}

.wrong-question-card .question-choice-btn.is-correct:disabled:hover {
  border-color: var(--green);
}

.wrong-question-card .question-choice-btn.is-wrong:disabled:hover {
  border-color: var(--red);
}

.wrong-review-summary {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject, var(--orange)), #ffffff 72%);
  border-radius: 16px;
  background: #fff;
}

.wrong-review-answer {
  display: grid;
  grid-template-columns: minmax(120px, auto) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin: 0;
  line-height: 1.45;
}

.wrong-review-answer span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.wrong-review-answer.is-user.is-wrong strong {
  color: var(--red);
}

.wrong-review-answer.is-correct strong,
.wrong-review-answer.is-user.is-correct strong {
  color: #14734b;
}

.wrong-review-explanation {
  margin: 2px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  line-height: 1.6;
}

.wrong-review-explanation strong {
  color: var(--subject, var(--orange));
}

.wrong-question-understanding {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.wrong-question-understanding > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.wrong-question-understanding .wrong-question-actions {
  margin-top: 0;
}

.wrong-question-actions .button.is-understood:disabled {
  border-color: color-mix(in srgb, var(--green), #ffffff 58%);
  background: var(--green-soft);
  color: #14734b;
  opacity: 1;
}

.wrong-question-actions .button.is-needs-review:disabled {
  border-color: color-mix(in srgb, #f59e0b, #ffffff 38%);
  background: #fff1c7;
  color: #9a4f09;
  opacity: 1;
}

.wrong-question-retry {
  margin-top: 4px;
}

.wrong-question-retry-note {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

@media (max-width: 560px) {
  .wrong-review-answer {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

.noted-question-summary {
  margin: 0 0 10px;
}

.noted-question-actions {
  margin-top: 12px;
}

.subject-stat-progress .progress-ring-sm {
  --value: 0;
  width: 72px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #fff 0 54%, transparent 55%),
    conic-gradient(var(--subject) calc(var(--value) * 1%), #e5eaf1 0);
  display: grid;
  place-items: center;
  color: var(--subject);
  font-weight: 900;
  font-size: 16px;
  line-height: 1;
}

.detail-panel {
  overflow: hidden;
}

.detail-panel-header {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  background:
    linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft, #f8fafc), #ffffff 68%) 100%),
    #fff;
}

.detail-panel-header .section-title {
  margin: 0;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 6px;
  color: var(--subject, var(--blue));
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.practice-path-mini {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
  background: #fff;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject, var(--blue)), #ffffff 74%);
}

.practice-path-mini span {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject-soft, #eef2ff), #ffffff 44%);
  color: color-mix(in srgb, var(--subject, var(--blue)), #334155 18%);
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 900;
}

.topic-list {
  display: grid;
}

.main.is-topic-focus-page {
  width: 100%;
  min-height: 100vh;
  padding: clamp(16px, 3vw, 34px) clamp(16px, 4vw, 54px) 42px;
}

.main.is-topic-focus-page .topbar,
.main.is-topic-focus-page .subject-hero,
.main.is-topic-focus-page .detail-panel-header {
  display: none;
}

.main.is-topic-focus-page .detail-layout {
  display: block;
  width: min(1240px, 100%);
  margin: 0 auto;
}

.main.is-topic-focus-page .detail-panel {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.topic-list.is-topic-focus {
  border-top: 0;
}

.topic-list.is-topic-focus .practice-set-header {
  display: none;
}

.topic-list.is-topic-focus .practice-topic-row {
  border-bottom: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.topic-list.is-topic-focus .practice-topic-row.is-expanded {
  display: block !important;
}

.topic-list.is-topic-focus .practice-topic-row.is-expanded > .practice-journey-rail,
.topic-list.is-topic-focus .practice-topic-row.is-expanded > .topic-card-stack {
  display: none;
}

.topic-list.is-topic-focus .practice-topic-row.is-expanded > .topic-expanded {
  width: 100%;
  grid-column: 1 / -1;
}

.topic-list.is-topic-focus .practice-topic-row:hover,
.topic-list.is-topic-focus .practice-topic-row.is-expanded {
  background: transparent;
}

.topic-list.is-topic-focus .topic-summary {
  align-content: start;
}

.topic-list.is-topic-focus .topic-body {
  align-content: start;
}

.topic-list.is-topic-focus .topic-expanded {
  padding: 16px 0 0;
  border: 0;
  background: transparent;
}

.topic-list.is-topic-focus .topic-guidance > div,
.topic-list.is-topic-focus .topic-quiz-question {
  background: #fff;
}

.topic-list.is-topic-focus .topic-quiz {
  background: #fff;
  border-color: var(--line);
}

@media (min-width: 861px) {
  .main.is-topic-focus-page {
    padding: 24px clamp(20px, 3vw, 32px) 32px;
  }

  .main.is-topic-focus-page .detail-layout {
    width: min(820px, 100%);
  }

  .topic-list.is-topic-focus .practice-topic-row.is-expanded {
    border: 0;
    box-shadow: none;
    background: transparent;
    gap: 16px;
  }

  .topic-list.is-topic-focus .topic-expanded {
    padding: 8px 0 0;
  }

  .topic-list.is-topic-focus .topic-guide {
    gap: 14px;
  }

  .topic-list.is-topic-focus .guide-card {
    padding: 20px 22px;
  }

  .topic-list.is-topic-focus .guide-nav {
    justify-content: flex-end;
    gap: 10px;
    padding-top: 4px;
  }

  .topic-list.is-topic-focus .guide-nav .button.ghost {
    margin-right: auto;
  }
}

.topic-row {
  box-shadow: none;
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--line);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 44px minmax(260px, 0.86fr) minmax(320px, 1fr) 112px;
  gap: 18px 22px;
  align-items: center;
}

.practice-topic-row {
  width: 100%;
  text-align: left;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  background:
    linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 60%) 100%),
    #fff;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
  box-shadow: 0 10px 24px rgba(28, 45, 72, 0.045);
}

.practice-topic-row.is-recommended:not(.is-expanded) {
  border-color: color-mix(in srgb, var(--subject), #ffffff 42%);
  box-shadow:
    0 16px 36px color-mix(in srgb, var(--subject), transparent 88%),
    inset 4px 0 0 var(--subject);
}

.topic-card-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  min-width: 0;
}

.topic-summary-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.topic-summary-head .topic-probability-pill {
  margin-left: auto;
}

.topic-summary-head .topic-insight-btn,
.topic-summary-head .topic-lock-icon {
  flex-shrink: 0;
}

.topic-summary-head .priority {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 11px;
  font-size: 15px;
}

.topic-summary-head .topic-kicker {
  flex: 0 0 auto;
}

.topic-summary-head .topic-insight-btn {
  margin-left: auto;
}

.topic-recommend-badge {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--subject);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 8px 16px color-mix(in srgb, var(--subject), transparent 76%);
}

.topic-recommend-badge svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.5;
}

.topic-progress-block {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 52%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 80%);
}

.topic-progress-block--pending {
  opacity: 0.78;
}

.topic-progress-block--pending .progress-track {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--subject-soft), #ffffff 30%) 0%,
    color-mix(in srgb, var(--subject), #ffffff 82%) 50%,
    color-mix(in srgb, var(--subject-soft), #ffffff 30%) 100%
  );
  background-size: 200% 100%;
  animation: topic-progress-pending 1.2s ease-in-out infinite;
}

@keyframes topic-progress-pending {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.topic-progress-block .topic-progress {
  margin-top: 0;
  grid-template-columns: minmax(0, 1fr);
}

.topic-progress-block .progress-track {
  height: 10px;
}

.topic-progress-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 0;
  color: #4b5a70;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
  text-wrap: pretty;
}

.topic-progress-summary--focus {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: center;
}

.topic-progress-summary--focus .topic-progress-next {
  color: #53617a;
  font-weight: 800;
}

.topic-progress-status {
  color: var(--subject);
}

.topic-progress-divider {
  color: #9aa8bc;
}

.topic-progress-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topic-lazy-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  text-wrap: pretty;
}

.practice-topic-row > .topic-card-cta {
  width: 100%;
}

.practice-topic-row > .topic-expanded {
  width: 100%;
}

@media (min-width: 861px) {
  .practice-topic-row:not(.is-expanded):not(.practice-journey-stop) {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(200px, 240px);
    gap: 14px 20px;
    align-items: end;
  }

  .practice-topic-row:not(.is-expanded):not(.practice-journey-stop) > .topic-card-stack {
    grid-column: 1;
    grid-row: 1;
  }

  .practice-topic-row:not(.is-expanded):not(.practice-journey-stop) > .topic-card-cta {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
  }

  .practice-journey-stop:not(.is-expanded) {
    grid-template-columns: 44px minmax(0, 1fr) minmax(160px, 210px);
    align-items: center;
  }

  .practice-journey-stop:not(.is-expanded) > .topic-card-stack {
    grid-column: 2;
    grid-row: 1;
  }

  .practice-journey-stop:not(.is-expanded) > .topic-card-cta {
    grid-column: 3;
    grid-row: 1;
    align-self: center;
  }

  .practice-topic-row.is-expanded:not(.practice-journey-stop) {
    display: flex;
    flex-direction: column;
  }

  .practice-journey-stop.is-expanded {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .practice-journey-stop.is-expanded > .topic-expanded {
    grid-column: 2;
  }

  .practice-topic-row .topic-card-cta .topic-retry-button {
    width: 100%;
    min-height: 42px;
  }
}

.practice-topic-row:hover {
  border-color: color-mix(in srgb, var(--subject), #ffffff 54%);
  background:
    linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 48%) 100%),
    #fff;
  transform: translateY(-1px);
}

.practice-topic-row.is-expanded {
  border-color: color-mix(in srgb, var(--subject), #ffffff 48%);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 48%);
  box-shadow: inset 4px 0 0 var(--subject);
}

.practice-topic-row.is-vip-locked {
  gap: 0;
  align-items: stretch;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: 16px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 58%);
  box-shadow: none;
  opacity: 1;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.16s ease;
}

.practice-topic-row.is-vip-locked:hover,
.practice-topic-row.is-vip-locked:focus-visible {
  border-color: color-mix(in srgb, var(--subject), #ffffff 48%);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 42%);
  transform: translateY(-1px);
}

.practice-topic-row.is-vip-locked:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 55%);
  outline-offset: 2px;
}

.practice-topic-row.is-vip-locked .priority {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 35%);
  color: var(--subject);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 76%);
}

.vip-lock-kicker {
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ffffff;
  color: color-mix(in srgb, var(--subject), #1f2937 18%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 70%);
}

.vip-lock-kicker svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.6;
}

.topic-lock-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #ffffff;
  color: color-mix(in srgb, var(--subject), #64748b 24%);
  display: inline-grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 72%);
}

.topic-lock-icon svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.4;
}

.topic-probability-pill {
  min-height: 28px;
  padding: 0 11px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.topic-probability-pill svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
  flex-shrink: 0;
}

.topic-probability-pill.is-crucial {
  color: #b42318;
  background: #fff1f0;
  box-shadow: inset 0 0 0 1px rgba(240, 68, 56, 0.22);
}

.topic-probability-pill.is-high {
  color: #b54708;
  background: #fff7ed;
  box-shadow: inset 0 0 0 1px rgba(249, 115, 22, 0.22);
}

.topic-probability-pill.is-common {
  color: #475569;
  background: #f8fafc;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.28);
}

.topic-free-badge {
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 72%);
}

.practice-topic-row.is-vip-locked .topic-body {
  justify-self: stretch;
}

.practice-topic-row.is-vip-locked .topic-row-action {
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.22);
}

.practice-topic-row.is-vip-locked .topic-open-hint {
  color: #b45309;
}

.status-tag.is-vip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.16);
  color: #92400e;
}

.status-tag.is-vip svg {
  width: 14px;
  height: 14px;
}

.topic-row:last-child {
  border-bottom: 0;
}

.practice-topic-row:last-child {
  border-bottom: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
}

.priority {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--subject-soft);
  color: var(--subject);
  font-weight: 900;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 78%);
}

.topic-name {
  width: 100%;
  margin: 0;
  font-weight: 900;
  line-height: 1.3;
  font-size: 18px;
  text-wrap: balance;
}

.topic-overview {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
  text-wrap: pretty;
}

[data-theme="dark"] .topic-overview {
  color: #b4becc;
}

.topic-summary {
  display: grid;
  gap: 9px;
}

.topic-insight-btn {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  display: inline-grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 76%);
  pointer-events: none;
}

.topic-insight-btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.topic-kicker {
  width: max-content;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: #fff;
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 76%);
}

.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  row-gap: 8px;
}

.topic-chips span {
  min-height: 28px;
  padding: 0 11px;
  border-radius: 999px;
  background: #f4f7fb;
  color: #526179;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 850;
  white-space: nowrap;
}

.topic-chips span:last-child {
  background: var(--subject-soft);
  color: var(--subject);
}

.topic-body {
  display: grid;
  gap: 14px;
}

.topic-detail {
  color: #3b4659;
  line-height: 1.55;
  font-size: 15px;
}

.topic-open-hint {
  color: var(--subject);
  font-weight: 900;
  line-height: 1.35;
  font-size: 15px;
}

.topic-row-action {
  min-height: 52px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: #fff;
  display: grid;
  align-content: center;
  gap: 2px;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 78%);
}

.topic-next-step {
  color: #66758b;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.35;
}

.status-tag {
  justify-self: end;
  min-height: 34px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--subject-soft);
  color: var(--subject);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

button.status-tag {
  border: 0;
  cursor: pointer;
}

button.status-tag:hover,
button.status-tag:focus-visible {
  filter: brightness(0.98);
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 70%);
}

.status-tag.danger {
  background: var(--red-soft);
  color: var(--red);
}

.status-tag.detail {
  background: #f4f7fb;
  color: #475569;
}

.topic-actions {
  justify-self: end;
  display: grid;
  justify-items: end;
  gap: 8px;
}

.topic-actions .status-tag:first-child {
  min-width: 84px;
  background: var(--subject);
  color: #fff;
}

.topic-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-top: 2px;
}



.topic-meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}

.topic-chips .topic-wrong-review-chip {
  min-height: 28px;
  padding: 0 11px;
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  font-family: inherit;
  font-size: 13px;
  font-weight: 850;
  white-space: nowrap;
}

.topic-chips button.topic-wrong-review-chip {
  cursor: pointer;
  transition: transform 0.16s ease, filter 0.16s ease, box-shadow 0.16s ease;
}

.topic-chips .topic-wrong-review-chip.is-first-wrong {
  color: #9a3412;
  background: #fff7ed;
  box-shadow: inset 0 0 0 1px #fed7aa;
}

.topic-chips .topic-wrong-review-chip.is-current-wrong {
  color: #15803d;
  background: #f0fdf4;
  box-shadow: inset 0 0 0 1px #bbf7d0;
}

.topic-chips .topic-wrong-review-chip.is-current-wrong.has-wrong {
  color: #b42318;
  background: #fff1f2;
  box-shadow: inset 0 0 0 1px #fecdd3;
}

.topic-chips button.topic-wrong-review-chip:hover,
.topic-chips button.topic-wrong-review-chip:focus-visible {
  filter: brightness(0.97);
  transform: translateY(-1px);
}

.topic-chips button.topic-wrong-review-chip:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 68%);
  outline-offset: 2px;
}

.topic-meta-item {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  font-weight: 750;
}

.topic-meta-link.topic-meta-item {
  font-weight: 800;
}

.topic-card-cta {
  width: 100%;
}

.topic-card-cta .topic-retry-button {
  width: 100%;
  min-height: 46px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 900;
  justify-content: center;
}

.topic-start-button {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  background: #ffffff;
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 62%);
}

.topic-start-button svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.6;
}

.topic-progress-wrap {
  width: 100%;
  display: grid;
  gap: 6px;
}

.topic-retry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.topic-retry-actions .topic-retry-button {
  min-height: 40px;
  padding-inline: 14px;
  font-size: 14px;
}

.wrong-history-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.wrong-history-filter.is-compact {
  margin-bottom: 12px;
}

.wrong-history-filter-chip {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.wrong-history-filter-chip.is-active {
  border-color: color-mix(in srgb, var(--subject, var(--orange)), #ffffff 55%);
  background: color-mix(in srgb, var(--subject-soft, var(--orange-soft)), #ffffff 35%);
  color: var(--subject, var(--orange));
}

.wrong-history-filter-chip:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject, var(--orange)), #ffffff 70%);
  outline-offset: 2px;
}

.wrong-review-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 18px 0;
  padding: 12px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #f8fafc;
}

.wrong-review-sort {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.wrong-review-sort select {
  min-height: 36px;
  padding: 0 32px 0 10px;
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.wrong-review-sort select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject, var(--orange)), #ffffff 68%);
  outline-offset: 2px;
}

.wrong-review-count {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.wrong-review-pagination {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.wrong-review-pagination .button {
  min-height: 34px;
  padding-inline: 10px;
  font-size: 12px;
}

.wrong-review-pagination > span {
  color: var(--ink);
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.wrong-question-date {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 680px) {
  .wrong-review-toolbar {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .wrong-review-count {
    margin-left: auto;
  }

  .wrong-review-pagination {
    width: 100%;
    justify-content: space-between;
  }
}

.progress-track {
  height: 9px;
  border-radius: 999px;
  background: var(--progress-track, #e5ebe8);
  overflow: hidden;
  display: flex;
  min-width: 0;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--line) 65%, transparent);
}

.progress-segment {
  height: 100%;
  flex-shrink: 0;
}

.progress-segment.is-correct {
  background: linear-gradient(90deg, #00c217, var(--green));
}

.progress-segment.is-wrong {
  background: var(--red);
}

.progress-track.is-mastery {
  background: var(--green-soft);
}

.progress-track.is-mastery .progress-segment.is-correct {
  background: linear-gradient(90deg, #00c217, var(--green));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--green) 40%, transparent);
}

.topic-progress-label.is-mastery {
  color: var(--green);
  font-weight: 900;
}

.topic-progress strong {
  color: var(--subject);
  font-size: 14px;
}

.topic-progress-circle {
  display: none;
}

.topic-expanded {
  grid-column: 1 / -1;
  margin-left: 0;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  gap: 12px;
}

.topic-focus-back {
  display: none;
}

.topic-guide-toolbar {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.topic-guide-toolbar.is-result {
  grid-template-columns: 44px minmax(0, 1fr);
}

.topic-guide-toolbar-main {
  min-width: 0;
  display: grid;
  gap: 10px;
}

.topic-guide-context {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topic-guide-context-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.topic-guide-kicker {
  color: var(--subject);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topic-guide-topic-name {
  min-width: 0;
  overflow: hidden;
  color: #182235;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-guide-count {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.topic-focus-back-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--subject);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.topic-focus-back-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
}

.topic-focus-back-icon:hover,
.topic-focus-back-icon:focus-visible {
  background: var(--subject-soft);
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 70%);
}

.guide-progress--toolbar {
  min-width: 0;
}

.topic-expanded-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.topic-expanded-head strong {
  display: block;
  color: #182235;
  font-size: 16px;
  margin-bottom: 4px;
}

.topic-expanded-head p {
  color: #53617a;
  font-size: 14px;
  line-height: 1.5;
}

.topic-guidance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.topic-guidance > div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
}

.topic-guidance strong {
  display: block;
  margin-bottom: 5px;
}

.topic-guidance p {
  color: #3b4659;
  font-size: 14px;
  line-height: 1.5;
}

.topic-guidance .topic-example {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #edf2f7;
  color: #53617a;
}

.topic-example span {
  display: inline;
  color: var(--subject);
  font-weight: 900;
}

.skill-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.skill-chip-list span {
  min-height: 27px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 850;
}

.topic-expanded-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 2px;
}

.topic-quiz {
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 70%);
  border-radius: var(--radius-sm);
  background: #fffaf5;
  display: grid;
  gap: 12px;
}

.topic-quiz-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.topic-quiz-head strong {
  display: block;
  color: #182235;
  margin-bottom: 4px;
}

.topic-quiz-head p {
  color: #53617a;
  font-size: 14px;
  line-height: 1.5;
}

.quiz-score {
  min-width: 52px;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #53617a;
  font-weight: 900;
}

.quiz-score.is-passed {
  color: var(--green);
  background: #eaf8ef;
}

.quiz-score.is-retry {
  color: var(--subject);
  background: var(--subject-soft);
}

.topic-quiz-list {
  display: grid;
  gap: 10px;
}

.topic-quiz-question {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  display: grid;
  gap: 10px;
}

.topic-quiz-question legend {
  padding: 0 4px;
  color: #182235;
  font-weight: 900;
}

.topic-quiz-options {
  display: grid;
  gap: 8px;
}

.quiz-option {
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
  display: flex;
  gap: 9px;
  align-items: flex-start;
  color: #3b4659;
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
}

.quiz-option input {
  margin-top: 2px;
  accent-color: var(--subject);
}

.quiz-option.is-correct {
  border-color: color-mix(in srgb, var(--green), #ffffff 58%);
  background: #f3fbf6;
  color: #166534;
}

.quiz-option.is-wrong {
  border-color: color-mix(in srgb, var(--subject), #ffffff 50%);
  background: var(--subject-soft);
  color: var(--subject);
}

.quiz-feedback {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 850;
}

.quiz-feedback.is-passed {
  background: #eaf8ef;
  color: #166534;
}

.quiz-feedback.is-retry {
  background: var(--subject-soft);
  color: var(--subject);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  box-shadow: none;
}

.topic-guide {
  gap: 18px;
}

.guide-progress {
  display: grid;
  gap: 8px;
}

.guide-progress-track {
  height: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject), #ffffff 84%);
  overflow: hidden;
}

.guide-progress-track span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--subject);
  transition: width 0.25s ease;
}

.guide-progress-label {
  font-size: 15px;
  font-weight: 850;
  color: var(--subject);
}

.guide-stage {
  display: grid;
}

.guide-card {
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 68%);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 52%) 100%);
  display: grid;
  gap: 16px;
  box-shadow: 0 12px 30px color-mix(in srgb, var(--subject), transparent 91%);
  animation: guide-step-in 0.22s ease;
}

.bilingual-sentence-card {
  margin: 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  display: grid;
  gap: 12px;
}

.bilingual-sentence-card blockquote {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  line-height: 1.45;
  color: #182235;
}

.bilingual-sentence-backbone {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
  font-size: 16px;
  font-weight: 800;
  color: var(--subject);
}

.bilingual-sentence-backbone span {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--subject-soft);
  font-size: 12px;
  font-weight: 900;
}

.bilingual-sentence-gloss {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.bilingual-sentence-gloss li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "en role" "vi vi";
  gap: 2px 12px;
  padding: 8px 0;
  border-top: 1px solid color-mix(in srgb, var(--subject), #ffffff 82%);
  font-size: 15px;
  line-height: 1.45;
}

.bilingual-sentence-gloss strong {
  grid-area: en;
  color: #182235;
}

.bilingual-sentence-gloss span {
  grid-area: role;
  color: var(--subject);
  font-weight: 800;
  font-size: 13px;
}

.bilingual-sentence-gloss em {
  grid-area: vi;
  font-style: normal;
  color: #4b5870;
}

.english-structure-entry {
  display: grid;
  gap: 4px;
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #e7f0fe;
  color: #163a86;
  text-decoration: none;
  box-shadow: none;
}

.english-structure-entry:hover,
.english-structure-entry:focus-visible {
  background: #dce8fd;
}

.english-structure-entry-kicker {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #1865f2;
}

.english-structure-entry strong {
  font-size: 15px;
  line-height: 1.35;
}

.english-structure-entry span:last-child {
  font-size: 13px;
  line-height: 1.4;
  color: #3d5278;
}

.writing-cues-coach {
  display: grid;
  gap: 10px;
  margin: 12px 0 4px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #fff8ee;
  border: 1px solid #f1ddc0;
}

.writing-cues-instruction {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: #6a4a1b;
}

.writing-cues-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.writing-cues-chips li {
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff;
  color: #163a86;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.3;
  box-shadow: 0 1px 0 #f1ddc0;
}

.writing-cues-formula {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.writing-cues-formula li {
  display: grid;
  gap: 2px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #fff;
}

.writing-cues-formula b {
  color: #b67900;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.writing-cues-formula strong {
  font-size: 14px;
  color: #3b2a12;
}

.writing-cues-formula span {
  font-size: 13px;
  color: #6a4a1b;
  line-height: 1.45;
}

.writing-cues-hint-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  background: #fff1d6;
  color: #8a5a00;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.writing-cues-hint-toggle svg {
  width: 18px;
  height: 18px;
}

.writing-cues-hint-toggle:hover,
.writing-cues-hint-toggle:focus-visible {
  background: #ffe7b8;
}

.writing-cues-hint-panel {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff;
}

.writing-cues-hint-panel[hidden],
.writing-cues-hint-panel p[hidden] {
  display: none;
}

.writing-cues-hint-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: #3b2a12;
}

.writing-cues-count {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: #3d5278;
}

.writing-cues-count.is-over,
.writing-cues-count.is-over {
  color: #b45309;
}

.writing-cues-diagnosis {
  margin: 8px 0 0;
  padding-left: 18px;
  color: #6a4a1b;
  font-size: 14px;
  line-height: 1.55;
}

@keyframes guide-step-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.guide-eyebrow {
  width: max-content;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.guide-title {
  color: #182235;
  font-size: clamp(22px, 2.8vw, 26px);
  line-height: 1.35;
}

.guide-body {
  margin: 0;
  color: #2f3a4d;
  font-size: 17px;
  line-height: 1.75;
}

.guide-card .topic-example {
  margin: 2px 0 0;
  padding: 16px 18px;
  border: none;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 48%);
  color: #3b4659;
  font-size: 16px;
  line-height: 1.7;
}

.guide-card .topic-example span {
  display: block;
  margin-bottom: 6px;
  color: var(--subject);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.guide-card .skill-chip-list {
  gap: 10px;
}

.guide-card .skill-chip-list span {
  min-height: 38px;
  padding: 0 14px;
  font-size: 15px;
}

.guide-video {
  display: grid;
  gap: 10px;
  margin-top: 2px;
}

.guide-video-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.guide-video-kicker {
  color: #182235;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
}

.guide-video-badge,
.guide-video-duration {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.guide-video-badge {
  background: var(--subject-soft);
  color: var(--subject);
}

.guide-video-duration {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 42%);
  color: #3b4659;
}

.guide-video-lang-note {
  margin: 0;
  color: #53617a;
  font-size: 15px;
  line-height: 1.55;
}

.guide-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #1a2233;
}

.guide-video-play {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: #1a2233;
  cursor: pointer;
  color: inherit;
}

.guide-video-play img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #ffffff;
  color: var(--subject);
  box-shadow: 0 10px 24px rgba(16, 24, 40, 0.22);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.guide-video-play-icon svg {
  width: 30px;
  height: 30px;
}

.guide-video-play:hover .guide-video-play-icon,
.guide-video-play:focus-visible .guide-video-play-icon {
  transform: translate(-50%, -50%) scale(1.06);
}

.guide-video-play:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 20%);
  outline-offset: 2px;
}

.guide-video.is-playing .guide-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.guide-video-caption {
  margin: 0;
  color: #53617a;
  font-size: 14px;
  line-height: 1.55;
}

.guide-video-caption span {
  display: block;
  margin-bottom: 2px;
  color: var(--subject);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.question-lecture-player {
  margin: 4px 0 8px;
}

.question-lecture-player[hidden] {
  display: none;
}

.question-lecture-toggle {
  display: grid;
  gap: 6px;
  justify-items: start;
}

.question-lecture-button {
  min-height: 44px;
  gap: 8px;
}

.question-lecture-button svg {
  width: 18px;
  height: 18px;
}

.question-lecture-hint {
  margin: 0;
  color: #53617a;
  font-size: 14px;
  line-height: 1.5;
}

.guide-hint {
  color: #53617a;
  font-size: 15px;
  line-height: 1.55;
}

.guide-quiz-card .topic-quiz-options {
  margin-top: 4px;
  gap: 10px;
}

.guide-quiz-card .quiz-option {
  min-height: 52px;
  padding: 12px 14px;
  background: #fff;
  width: 100%;
  text-align: left;
  font-size: 16px;
  line-height: 1.5;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}

.guide-quiz-card .quiz-feedback {
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.55;
}

.guide-quiz-card .quiz-option:hover {
  border-color: color-mix(in srgb, var(--subject), #ffffff 50%);
}

.guide-result-card {
  justify-items: start;
  text-align: left;
}

.guide-result-card.is-passed {
  border-color: color-mix(in srgb, var(--green), #ffffff 58%);
  background: #f3fbf6;
}

.guide-result-score {
  min-width: 64px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 19px;
  gap: 8px;
  white-space: nowrap;
  background: var(--subject-soft);
  color: var(--subject);
}

.guide-result-score svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.guide-result-card.is-passed .guide-result-score {
  background: #eaf8ef;
  color: var(--green);
}

.guide-result-card .guide-body {
  font-size: 16px;
}

.guide-result-card .topic-expanded-actions {
  width: 100%;
  justify-content: flex-start;
  align-items: center;
  padding-top: 8px;
}

.guide-review-link {
  min-height: 44px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: #53617a;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}

.guide-review-link:hover,
.guide-review-link:focus-visible {
  color: var(--subject);
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 74%);
  outline-offset: 2px;
  border-radius: 8px;
}

.guide-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 2px;
}

.guide-nav .button {
  min-height: 48px;
  font-size: 15px;
}

.button.ghost {
  background: #fff;
  color: #53617a;
  box-shadow: inset 0 0 0 1px var(--line);
}

.button.ghost:hover:not(:disabled) {
  color: var(--subject);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 60%);
}

.practice-app {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 242, 230, 0.75), rgba(247, 250, 252, 0) 360px),
    var(--bg);
}

.practice-shell {
  min-height: 100vh;
  padding: clamp(16px, 4vw, 46px);
  display: grid;
  align-content: start;
  gap: 22px;
}

.practice-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.practice-progress-chip {
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 70%);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  align-content: center;
  justify-items: end;
  color: var(--muted);
  font-weight: 800;
}

.practice-progress-chip strong {
  color: var(--subject);
  font-size: 24px;
  line-height: 1;
}

.practice-panel {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  display: grid;
  gap: 22px;
}

.practice-heading {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.practice-heading h1 {
  font-size: clamp(28px, 4vw, 42px);
}

.practice-meter .progress-track {
  height: 12px;
}

.question-card {
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
  display: grid;
  gap: 18px;
}

.vip-locked-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--gold) 45%, var(--line));
  border-radius: var(--radius);
  background: var(--gold-soft);
}

.vip-locked-card strong {
  display: block;
  margin-bottom: 4px;
  color: color-mix(in srgb, var(--orange) 70%, var(--ink));
  font-size: 18px;
}

.vip-locked-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.vip-locked-panel {
  display: grid;
  gap: 18px;
  justify-items: stretch;
}

.vip-locked-art {
  width: min(220px, 70vw);
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  justify-self: center;
  object-fit: cover;
}

.question-card h2,
.question-card .question-stem:not(.question-stem--passage):not(.question-stem--prompt) {
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.35;
}

.question-stem-block {
  display: grid;
  gap: 12px;
}

.question-reading-passage {
  padding: 12px 14px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 58%);
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 78%);
}

.question-reading-label {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--subject), #334155 28%);
  opacity: 0.82;
}

.question-stem--passage {
  font-size: clamp(15px, 3.2vw, 18px);
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
  white-space: pre-line;
}

.question-stem--prompt {
  margin: 0;
  font-size: clamp(17px, 3.6vw, 21px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
  text-wrap: pretty;
}

.question-prompt {
  display: grid;
  gap: 14px;
}

.question-study-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
  gap: clamp(14px, 2.5vw, 22px);
  align-items: start;
}

.question-study-main {
  min-width: 0;
  display: grid;
  gap: 14px;
}

.question-annotate-area {
  display: grid;
  gap: 10px;
}

.question-annotate-hint {
  margin: 0;
  padding: 10px 12px;
  border-radius: calc(var(--radius) - 4px);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 40%);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.question-annotate-banner .question-annotate-hint {
  padding: 0;
  background: transparent;
  flex: 1;
}

.question-annotate-hint strong {
  color: var(--ink);
}

.question-annotate-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  background: #fff;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.annotate-action {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.annotate-action.is-highlight {
  border-color: #fde68a;
  background: #fef9c3;
  color: #854d0e;
}

.annotate-action.is-note {
  border-color: color-mix(in srgb, var(--subject), #ffffff 70%);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 20%);
  color: var(--subject);
}

.annotate-action.is-clear {
  color: var(--muted);
}

/* Listening audio player for English (nghe thông báo / điền từ) */
.listening-player {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 8px 0 12px;
  padding: 10px 12px;
  background: #eaf1ff;
  border: 2px solid var(--blue);
  border-radius: 12px;
}
.listening-player .button {
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 999px;
  min-height: 40px;
  font-weight: 700;
}
.listening-player .button.secondary {
  font-size: 14px;
  padding: 6px 12px;
}
.listening-player span {
  font-size: 13px;
  color: #1e40af;
  font-weight: 600;
}

.annotate-action:hover {
  filter: brightness(0.98);
}

.question-stem mark.question-highlight,
.question-stem .question-highlight {
  padding: 0 2px;
  border-radius: 4px;
  background: #fef08a;
  color: inherit;
  font: inherit;
}

.question-stem .question-note-mark {
  padding: 0 2px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 10%);
  box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--subject), #ffffff 55%);
  cursor: pointer;
}

.question-stem .question-note-mark.is-active {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 0%);
  box-shadow: inset 0 0 0 2px var(--subject);
}

.question-note-editor {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  background: #fff;
  display: grid;
  gap: 10px;
}

.question-note-editor[hidden],
.question-annotate-toolbar[hidden] {
  display: none;
}

.question-side-note {
  position: sticky;
  top: 18px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: calc(var(--radius) + 2px);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--subject-soft), #ffffff 28%) 0%, #ffffff 78%),
    #fff;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 12px;
}

.question-side-note-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 10px;
  align-items: center;
}

.question-side-note-kicker,
.question-side-note-title {
  margin: 0;
}

.question-side-note-kicker {
  color: var(--subject);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.question-side-note-title {
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.25;
}

.question-scratch-field {
  display: grid;
  gap: 8px;
}

.question-scratch-field span {
  color: #334155;
  font-size: 13px;
  font-weight: 900;
}

.question-scratch-field textarea {
  width: 100%;
  min-height: 142px;
  resize: vertical;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: calc(var(--radius) - 3px);
  background: #fffef7;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  line-height: 1.45;
  box-shadow: inset 0 1px 0 rgba(15, 23, 42, 0.03);
}

.question-scratch-field textarea:focus {
  border-color: var(--subject);
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 80%);
}

.question-scratch-status,
.question-selection-empty {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.answer-draft-status {
  width: max-content;
  max-width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: #ecfdf3;
  color: #166534;
  font-size: 13px;
  font-weight: 850;
  line-height: 1.35;
}

.question-selection-notes {
  padding-top: 12px;
  border-top: 1px dashed color-mix(in srgb, var(--subject), #ffffff 66%);
  display: grid;
  gap: 8px;
}

.question-notes-panel {
  padding: 12px 14px;
  border: 1px dashed color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: calc(var(--radius) - 4px);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 55%);
  display: grid;
  gap: 8px;
}

.question-notes-title {
  margin: 0;
  color: var(--subject);
  font-size: 14px;
  font-weight: 900;
}

.question-notes-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.question-notes-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.question-note-link {
  padding: 8px 10px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  display: grid;
  gap: 4px;
}

.question-note-index {
  color: var(--subject);
  font-size: 13px;
  font-weight: 900;
}

.question-note-quote {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  font-style: italic;
}

.question-note-content {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
}

.question-note-delete {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.question-note-delete:hover {
  color: #b91c1c;
  border-color: #fecaca;
  background: #fef2f2;
}

.question-stem {
  user-select: text;
  -webkit-user-select: text;
}

.question-visual {
  margin: 0;
  display: grid;
  gap: 8px;
  max-width: min(100%, 300px);
}

/* Exam / PNG diagrams: full main-column width so kids can actually read them */
.question-image-visual {
  max-width: 100%;
  width: 100%;
  justify-self: stretch;
  gap: 10px;
}

.question-image-visual .image-card {
  width: 100%;
  padding: clamp(10px, 1.6vw, 16px);
  border: 2px solid color-mix(in srgb, var(--subject, #2563eb), #ffffff 72%);
  border-radius: 18px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 8px 22px rgba(15, 23, 42, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}

.question-image-zoom {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  border-radius: 12px;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.question-image-zoom:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject, #2563eb), #ffffff 35%);
  outline-offset: 3px;
}

.question-image-visual img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  /* Fit inside column width AND viewport height without cropping/stretching */
  max-height: min(56vh, 560px);
  margin: 0 auto;
  object-fit: contain;
  object-position: center;
  border-radius: 10px;
  background: #ffffff;
}

.question-image-zoom-hint {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  pointer-events: none;
  opacity: 0.92;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
}

.question-image-zoom-icon {
  font-size: 13px;
  line-height: 1;
}

.question-image-caption {
  text-align: center;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

/* Fullscreen lightbox for question diagrams */
.question-image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9990;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: question-image-lightbox-in 0.18s ease-out;
}

.question-image-lightbox[hidden] {
  display: none;
}

@keyframes question-image-lightbox-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.question-image-lightbox-dialog {
  position: relative;
  width: min(100%, 1100px);
  max-height: min(92vh, 920px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 10px;
  padding: 14px;
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.28);
}

.question-image-lightbox-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.question-image-lightbox-title {
  margin: 0;
  color: var(--ink, #0f172a);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
}

.question-image-lightbox-close {
  flex: 0 0 auto;
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: #f1f5f9;
  color: #0f172a;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.question-image-lightbox-close:hover {
  background: #e2e8f0;
}

.question-image-lightbox-close:focus-visible {
  outline: 3px solid #2563eb;
  outline-offset: 2px;
}

.question-image-lightbox-stage {
  min-height: 0;
  overflow: auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background:
    radial-gradient(circle at 20% 0%, #eef6ff 0, transparent 42%),
    #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 12px;
  -webkit-overflow-scrolling: touch;
}

.question-image-lightbox-stage img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(78vh, 780px);
  object-fit: contain;
  border-radius: 8px;
  background: #ffffff;
}

.question-image-lightbox-hint {
  margin: 0;
  text-align: center;
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
}

body.has-question-image-lightbox {
  overflow: hidden;
}

/* Prefer natural size for short-wide exam strips: grow width first */
.question-study-main > .question-image-visual {
  margin-bottom: 2px;
}

.question-prompt > .question-image-visual {
  margin-bottom: 4px;
}

.question-visual figcaption {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}

.chart-card {
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 78%);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at 18% 0%, color-mix(in srgb, var(--subject-soft), #ffffff 18%) 0, transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  overflow: visible;
}

.chart-card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.chart-card-head strong {
  color: var(--ink);
  font-size: 14px;
}

.chart-card-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.chart-svg {
  width: 100%;
  max-width: min(100%, 260px);
  max-height: 150px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.chart-svg--grid {
  max-width: min(100%, 280px);
  max-height: 200px;
}

.chart-bar--hidden {
  opacity: 0.55;
}

.chart-value--prompt {
  fill: #94a3b8;
}

.chart-axis {
  stroke: #cbd5e1;
  stroke-width: 3;
  stroke-linecap: round;
}

.chart-bar {
  fill: var(--subject);
  opacity: 0.88;
}

.chart-value {
  fill: var(--subject);
  font-size: 12px;
  font-weight: 900;
}

.chart-label {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.question-visual figcaption {
  font-size: 12px;
}

.question-calendar-visual {
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
  align-items: center;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 78%);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 64%) 100%);
}

.calendar-card {
  min-height: 150px;
  padding: 16px;
  display: grid;
  place-items: center;
  gap: 4px;
  text-align: center;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.28);
}

.calendar-month {
  width: 100%;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  font-size: 13px;
  font-weight: 900;
}

.calendar-card strong {
  color: var(--subject);
  font-size: 56px;
  line-height: 1;
}

.calendar-card small {
  color: var(--muted);
  font-weight: 800;
}

.question-choices {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.question-choice {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  background: #fff;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.35;
  font-weight: 700;
}

.question-choices--interactive {
  gap: 8px;
}

.question-choice-btn {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 2px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.question-choice-btn:hover,
.question-choice-btn:focus-visible {
  border-color: color-mix(in srgb, var(--subject), #ffffff 45%);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.question-choice-btn.is-selected {
  border-color: var(--subject);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 35%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--subject), #ffffff 82%);
}

.question-choice-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 20%);
  color: var(--subject);
  display: inline-grid;
  place-items: center;
  font-size: 15px;
  font-weight: 900;
  flex-shrink: 0;
}

.question-choice-btn.is-selected .question-choice-badge {
  background: var(--subject);
  color: #fff;
}

.question-choice-text {
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 700;
  line-height: 1.35;
}

.question-choice-check {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--subject);
  color: #fff;
  display: inline-grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.question-choice-check svg {
  width: 16px;
  height: 16px;
  stroke-width: 3;
}

.question-choice-btn.is-selected .question-choice-check {
  opacity: 1;
  transform: scale(1);
}

.question-choice-btn.is-correct {
  border-color: var(--green);
  background: var(--green-soft);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green), #ffffff 82%);
}

.question-choice-btn.is-correct .question-choice-badge,
.question-choice-btn.is-correct .question-choice-check {
  background: var(--green);
  color: #fff;
  opacity: 1;
  transform: scale(1);
}

.question-choice-btn.is-wrong {
  border-color: var(--red);
  background: var(--red-soft);
  box-shadow: none;
}

.question-choice-btn.is-wrong .question-choice-badge {
  background: var(--red);
  color: #fff;
}

.question-choice-btn.is-wrong .question-choice-check {
  background: var(--red);
  color: #fff;
  opacity: 1;
  transform: scale(1);
}

.question-choice-btn.is-wrong .question-choice-check svg {
  display: none;
}

.question-choice-btn.is-wrong .question-choice-check::before {
  content: "×";
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.choice-label {
  color: var(--subject);
  margin-right: 6px;
}

.answer-field--mc .answer-field-label,
.answer-field--mc input,
.answer-field--mc .answer-field-hint {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.practice-question-header {
  display: none;
  width: 100%;
  gap: 10px;
}

.practice-shell--question-active .practice-question-header {
  display: grid;
}

.practice-question-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.practice-question-toolbar-end {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.practice-question-header .question-report--icon {
  position: relative;
  padding: 0;
  border: 0;
  display: block;
}

.report-toggle--icon {
  width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 999px;
  justify-content: center;
}

.report-toggle--icon .report-flag-icon svg {
  width: 16px;
  height: 16px;
}

.question-report.is-submitted .report-toggle--icon {
  color: #166534;
}

.practice-question-header .question-report--icon .report-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 50;
  width: min(320px, calc(100vw - 32px));
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
}

.practice-question-counter {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.practice-question-subnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  overflow: hidden;
  max-height: 40px;
  opacity: 1;
  padding-top: 1px;
  transition:
    max-height 0.22s ease,
    opacity 0.18s ease,
    margin 0.22s ease,
    padding 0.22s ease;
}

.practice-question-step-progress {
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject), #ffffff 84%);
  overflow: hidden;
}

.practice-question-step-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--subject);
  transition: width 0.22s ease;
}

.practice-question-nav-topic {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  text-wrap: balance;
  opacity: 0.62;
}

.practice-question-nav {
  display: none;
  min-width: 0;
  gap: 4px;
  justify-items: end;
  text-align: right;
}

.practice-question-nav-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.practice-question-nav-meta strong {
  color: var(--ink);
  font-size: 16px;
  line-height: 1;
}

@media (min-width: 861px) {
  .practice-shell--question-active {
    padding: 14px clamp(18px, 3vw, 44px) 28px;
    gap: 12px;
  }

  .practice-shell--question-active .practice-topbar--question {
    position: sticky;
    top: 10px;
    z-index: 40;
    width: min(1480px, 100%);
    margin: 0 auto;
    padding: 10px 14px 9px;
    border: 1px solid color-mix(in srgb, var(--subject), #ffffff 74%);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
    backdrop-filter: blur(10px);
  }

  .practice-shell--question-active .practice-question-header {
    position: relative;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto 5px;
    align-items: center;
    gap: 8px 16px;
  }

  .practice-shell--question-active .practice-question-toolbar {
    display: contents;
  }

  .practice-shell--question-active .practice-back-button {
    grid-column: 1;
    grid-row: 1;
    min-height: 42px;
    margin: 0;
    padding-inline: 12px;
    font-size: 14px;
  }

  .practice-shell--question-active .practice-question-toolbar-end {
    grid-column: 3;
    grid-row: 1;
  }

  .practice-shell--question-active .practice-question-subnav {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    justify-content: flex-start;
    gap: 10px;
    padding: 0;
  }

  .practice-shell--question-active .practice-question-nav-topic {
    min-width: 0;
    overflow: hidden;
    color: var(--ink);
    font-size: 14px;
    font-weight: 850;
    opacity: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .practice-shell--question-active .practice-question-step-progress {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .practice-shell--question-active .practice-heading--during-question,
  .practice-shell--question-active .practice-topic-progress--during-question,
  .practice-shell--question-active .question-meta--compact-hidden {
    display: none;
  }

  .practice-panel--question-focus {
    width: min(1480px, 100%);
    padding: 18px 20px 20px;
    gap: 0;
    border-radius: 20px;
  }

  .question-card--focus {
    padding: 0;
    border: 0;
    background: transparent;
    gap: 12px;
  }

  .question-card--focus .question-study-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .question-card--focus .question-study-main,
  .question-card--focus .question-prompt {
    gap: 10px;
  }

  .question-card--focus .question-choice-btn {
    min-height: 46px;
    padding: 8px 11px;
  }

  .question-card--focus .question-choice-text {
    font-size: 15px;
  }

  .question-card--focus .question-card-actions {
    position: sticky;
    bottom: 12px;
    z-index: 35;
    margin-top: 2px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .question-card--focus .question-card-actions .button-row {
    justify-content: flex-end;
  }

  .question-card--focus .question-side-note {
    position: fixed;
    top: 88px;
    right: 20px;
    bottom: 20px;
    left: auto;
    z-index: 220;
    width: min(380px, calc(100vw - 40px));
    max-height: none;
    margin: 0;
    overflow: auto;
    visibility: hidden;
    transform: translateX(calc(100% + 48px));
    transition: transform 0.26s ease, visibility 0.26s ease;
  }

  .question-card--focus .question-side-note.is-sheet-open {
    visibility: visible;
    transform: translateX(0);
  }

  .question-card--focus .notebook-sheet-scrim {
    position: fixed;
    inset: 0;
    z-index: 210;
    display: block;
    border: 0;
    background: rgba(15, 23, 42, 0.34);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }

  .question-card--focus .notebook-sheet-scrim:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
  }

  .question-card--focus .notebook-sheet-close {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 999px;
    background: #ffffff;
    color: var(--muted);
    display: inline-grid;
    place-items: center;
    justify-self: end;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
  }

  .question-card--focus .notebook-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 120;
    min-height: 48px;
    padding: 0 16px;
    border: 0;
    border-radius: 999px;
    background: var(--subject);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font: inherit;
    font-size: 14px;
    font-weight: 900;
    box-shadow: 0 12px 28px color-mix(in srgb, var(--subject), #000000 28%);
    cursor: pointer;
  }

  .question-card--focus .notebook-fab-icon svg {
    width: 18px;
    height: 18px;
  }

  .question-card--focus .notebook-fab-badge {
    min-width: 22px;
    min-height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: #ffffff;
    color: var(--subject);
    display: inline-grid;
    place-items: center;
    font-size: 12px;
  }

  body.is-notebook-open .question-card--focus .notebook-fab {
    opacity: 0;
    pointer-events: none;
  }
}

.question-annotate-tip {
  position: relative;
}

.question-annotate-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px 10px 14px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 40%);
}

.question-annotate-banner[hidden],
.question-annotate-tip-btn[hidden] {
  display: none;
}

.question-annotate-dismiss {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.question-annotate-tip-btn {
  width: max-content;
  max-width: 100%;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 70%);
  border-radius: 999px;
  background: #fff;
  color: var(--subject);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.question-annotate-tip-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 20;
  width: min(100%, 320px);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

.question-annotate-tip-popover[hidden] {
  display: none;
}

.question-annotate-tip-popover p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}
.question-annotate-tip-popover .mẹo-popover-inner {
  font-size: 14px;
  line-height: 1.4;
}
.question-annotate-tip-popover .mẹo-popover-inner p {
  font-weight: 500;
}

.notebook-fab {
  display: none;
}

.notebook-sheet-scrim {
  display: none;
}

.notebook-sheet-close {
  display: none;
}

body.is-notebook-open {
  overflow: hidden;
}

.answer-field-hint {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.math-thinking-hint {
  padding: 14px 16px;
  border: 1px solid #f3cf72;
  border-radius: var(--radius);
  background: #fff9df;
  color: #59430f;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.math-thinking-hint[hidden] {
  display: none;
}

.math-thinking-hint.is-visible {
  animation: math-thinking-hint-in 180ms ease-out;
}

.math-thinking-hint-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #f8df92;
  color: #7c5900;
  display: grid;
  place-items: center;
}

.math-thinking-hint-icon svg {
  width: 21px;
  height: 21px;
}

.math-thinking-hint > div {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.math-thinking-hint-kicker {
  color: #8a6408;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.math-thinking-hint strong {
  color: #4d3808;
  font-size: 15px;
}

.math-thinking-hint p {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.6;
}

.math-thinking-hint details {
  margin-top: 5px;
  padding-top: 8px;
  border-top: 1px solid rgba(138, 100, 8, 0.2);
}

.math-thinking-hint summary {
  min-height: 36px;
  color: #775608;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
}

.math-thinking-hint details p {
  padding: 5px 0 2px;
  color: #5e4b1f;
}

.math-readiness-status {
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 4px;
}

.math-readiness-status.is-ready {
  border-color: color-mix(in srgb, var(--green), #ffffff 65%);
  background: var(--green-soft);
}

.math-readiness-status.is-building {
  border-color: #f3cf72;
  background: #fff9df;
}

.math-readiness-status strong {
  color: var(--text);
  font-size: 15px;
}

.math-readiness-status span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

@keyframes math-thinking-hint-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-theme="dark"] .math-thinking-hint,
[data-theme="dark"] .math-readiness-status.is-building {
  border-color: #735d27;
  background: #302a1b;
  color: #f5e4b0;
}

[data-theme="dark"] .math-thinking-hint strong,
[data-theme="dark"] .math-thinking-hint p,
[data-theme="dark"] .math-thinking-hint details p,
[data-theme="dark"] .math-readiness-status strong {
  color: var(--text);
}

@media (prefers-reduced-motion: reduce) {
  .math-thinking-hint.is-visible {
    animation: none;
  }
}

.wrong-question-card h2,
.wrong-question-card .question-stem {
  font-size: clamp(17px, 2.2vw, 22px);
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-weight: 900;
}

.level-tag {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  display: inline-flex;
  align-items: center;
}

.answer-field input {
  max-width: 520px;
  background: #fff;
}

.answer-feedback {
  width: fit-content;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  font-weight: 900;
}

.answer-feedback.is-correct {
  background: var(--green-soft);
  color: var(--green);
}

.answer-feedback.is-wrong {
  background: var(--red-soft);
  color: var(--red);
}

.answer-coach {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  gap: 8px;
}

.answer-coach.is-correct {
  border-color: color-mix(in srgb, var(--green), #ffffff 68%);
  background: #fbfffd;
}

.answer-coach.is-wrong {
  border-color: color-mix(in srgb, var(--red), #ffffff 70%);
  background: var(--red-soft);
}

.answer-coach-next,
.answer-coach-solution {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.answer-coach-solution {
  padding-top: 8px;
  border-top: 1px solid color-mix(in srgb, var(--red), #ffffff 78%);
}

.question-card-actions {
  display: grid;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
  overflow-anchor: none;
}

.question-card-actions .button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 0;
}

.question-card-actions .button-row .question-report--icon {
  position: relative;
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  border: 0;
  display: block;
}

.question-card-actions .button-row .report-toggle--icon {
  width: 44px;
  height: 44px;
  min-height: 44px;
  border-radius: 14px;
  background: #fff;
  border: 2px solid var(--line);
}

.question-card-actions .button-row .report-toggle--icon:hover,
.question-card-actions .button-row .report-toggle--icon:focus-visible {
  border-color: color-mix(in srgb, #ca8a04, #ffffff 45%);
  background: #fffbeb;
}

.question-card-actions .button-row .question-report--icon .report-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  z-index: 60;
  width: min(320px, calc(100vw - 32px));
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
}

.wrong-question-card .question-report {
  padding-top: 8px;
  border-top: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.wrong-question-card .report-panel {
  width: 100%;
  align-self: stretch;
}

.question-report {
  padding-top: 4px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.report-toggle {
  width: max-content;
  min-height: 34px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  background: #fff;
  color: #53617a;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 850;
  cursor: pointer;
}

.report-toggle:hover,
.report-toggle:focus-visible {
  color: #53617a;
  border-color: color-mix(in srgb, #ca8a04, #ffffff 55%);
  outline: 3px solid color-mix(in srgb, #ca8a04, #ffffff 82%);
}

.question-report.is-submitted .report-toggle {
  color: #166534;
  border-color: color-mix(in srgb, var(--green), #ffffff 55%);
}

.question-report.is-submitted .report-panel {
  padding-top: 2px;
}

.question-report.is-submitted .report-status {
  margin: 0;
}

.report-flag-icon {
  display: inline-flex;
  color: #ca8a04;
}

.report-flag-icon svg,
.report-toggle .report-flag-icon svg {
  width: 17px;
  height: 17px;
  stroke: #ca8a04;
  stroke-width: 2.2;
}

.report-toggle svg,
.file-field svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.2;
}

.report-panel {
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  gap: 12px;
}

.report-panel[hidden] {
  display: none;
}

.report-field textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
  line-height: 1.5;
}

.report-field textarea:focus {
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-color: color-mix(in srgb, var(--subject), #ffffff 50%);
}

.file-field {
  min-height: 52px;
  padding: 10px 12px;
  border: 1px dashed color-mix(in srgb, var(--subject), #ffffff 58%);
  border-radius: var(--radius-sm);
  background: var(--subject-soft);
  display: grid;
  gap: 8px;
  color: var(--subject);
  font-weight: 900;
}

.file-field span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.file-field input {
  color: #53617a;
  font-weight: 700;
}

.file-field input::file-selector-button {
  min-height: 34px;
  margin-right: 10px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 58%);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--subject, var(--blue));
  font: inherit;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.report-status {
  min-height: 20px;
  color: #53617a;
  font-size: 14px;
  font-weight: 850;
}

.report-status.is-success {
  color: var(--green);
}

.report-status.is-error {
  color: var(--red);
}

.study-plan {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.study-plan h2 {
  font-size: 20px;
}

.study-card {
  padding: 14px;
  border-radius: var(--radius-sm);
  background: #fbfdff;
  border: 1px solid var(--line);
}

.study-card strong {
  display: block;
  margin-bottom: 6px;
}

.empty-panel {
  padding: 24px;
  line-height: 1.6;
}

.component-loading {
  display: grid;
  grid-template-columns: minmax(112px, 164px) minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  border: 1px solid color-mix(in srgb, var(--subject, var(--blue)), #ffffff 80%);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff, color-mix(in srgb, var(--subject, var(--blue)), #ffffff 94%));
}

.component-loading-skeleton {
  display: grid;
  gap: 9px;
}

.loading-skeleton-line {
  height: 12px;
  width: 70%;
}

.loading-skeleton-line--wide {
  width: 100%;
}

.loading-skeleton-row span {
  height: 34px;
}

.component-loading-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.component-loading strong {
  color: var(--text);
  line-height: 1.35;
}

.component-loading-copy span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.loading-spinner {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 3px solid #dbeafe;
  border-top-color: var(--blue);
  border-radius: 999px;
  animation: loading-spin 0.8s linear infinite;
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-skeleton-line,
  .auth-skeleton-row span,
  .loading-skeleton-line,
  .loading-skeleton-row span,
  .startup-profile-skeleton span,
  .startup-ring-skeleton::before {
    animation: none;
    background: #e6eef9;
  }
}

@media (max-width: 560px) {
  .component-loading {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .component-loading-skeleton {
    max-width: 260px;
  }
}

.mobile-menu {
  display: none;
}

@media (max-width: 1080px) {
  .dashboard-grid,
  .detail-layout,
  .admin-report-body {
    grid-template-columns: 1fr;
  }

  .tdn-journey-layout {
    grid-template-columns: 1fr;
  }

  .auth-nav {
    grid-template-columns: 1fr auto;
  }

  .auth-nav-links {
    display: none;
  }

  .auth-hero,
  .auth-signup-section {
    grid-template-columns: 1fr;
  }

  .auth-hero-copy {
    max-width: 760px;
  }

  .auth-school-stage {
    max-width: 860px;
  }

  .auth-product-preview {
    min-height: 0;
  }

  .auth-feature-grid,
  .auth-showcase-grid {
    grid-template-columns: 1fr;
  }

  .thinking-math-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .subject-hero-main {
    grid-template-columns: 62px minmax(0, 1fr);
  }

  .subject-hero-stats {
    grid-column: 1 / -1;
    width: 100%;
  }

  .subject-saved-grid {
    grid-template-columns: 1fr;
  }

  .recommend-panel,
  .study-plan {
    max-width: none;
  }
}

@media (max-width: 860px) {
  .app-shell {
    display: block;
  }

  .app-shell.is-topic-focus-shell .sidebar {
    display: none;
  }

  .auth-panel {
    grid-template-columns: 1fr;
  }

  .auth-nav {
    position: relative;
    padding: 14px 16px;
  }

  .auth-landing {
    width: min(100% - 28px, 720px);
    padding-top: 24px;
  }

  .auth-hero-copy h1 {
    font-size: clamp(34px, 9vw, 52px);
  }

  .auth-proof-row,
  .auth-school-learning-strip {
    display: none;
  }

  .auth-school-stage {
    gap: 0;
  }

  .auth-product-preview {
    grid-template-columns: 1fr;
  }

  .auth-preview-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-top: 0;
  }

  .sidebar {
    position: relative;
    height: auto;
    max-height: none;
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    gap: 12px;
    overflow: visible;
  }

  .sidebar-brand-wrapper .brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .sidebar-profile-link {
    display: inline-flex;
  }

  .nav,
  .sidebar-foot {
    display: none;
  }

  .mobile-menu {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 2px;
  }

  .nav-item.mobile {
    min-width: max-content;
    border: 1px solid var(--line);
    background: #fff;
  }

  .main {
    padding-top: 22px;
  }

  .topbar,
  .subject-hero-main,
  .admin-topbar,
  .admin-report-head,
  .admin-report-actions {
    display: grid;
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px 12px;
    margin-bottom: 16px;
  }

  .home-topbar-copy {
    display: none;
  }

  .home-topbar {
    display: none;
  }

  .topbar .user-profile {
    display: none;
  }

  .topbar > .back-button {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    align-self: center;
    width: auto;
  }

  .topbar > div:first-child:not(.home-topbar-copy) {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .admin-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-filters-questions {
    grid-template-columns: 1fr;
  }

  .profile,
  .subject-hero-stats {
    justify-self: start;
  }

  .profile {
    width: 100%;
  }

  .subject-hero-main {
    grid-template-columns: 1fr;
  }

  .subject-hero .icon-box {
    width: 52px;
    height: 52px;
  }

  .subject-hero-stats {
    width: 100%;
  }

  .subject-hero--practice .subject-hero-stats {
    display: flex;
    flex-direction: column;
  }

  .subject-hero-focus {
    align-items: flex-start;
  }

  .detail-panel-header {
    display: grid;
  }

  .practice-path-mini {
    width: 100%;
    justify-content: space-between;
    border-radius: 16px;
  }

  .practice-path-mini span {
    flex: 1 1 0;
    justify-content: center;
  }

  .overview-panel,
  .subjects-grid,
  .thinking-math-grid {
    grid-template-columns: 1fr;
  }

  .home-subject-chooser-bar {
    justify-content: stretch;
  }

  .home-subject-chooser-bar .subject-chooser-button {
    width: 100%;
  }

  .topic-row {
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: start;
    gap: 12px 14px;
    padding: 16px;
  }

  .topic-row:not(.practice-topic-row) > div:nth-of-type(2),
  .topic-row:not(.practice-topic-row) > div:nth-of-type(3) {
    grid-column: 2;
  }

  .topic-detail,
  .status-tag,
  .topic-progress,
  .topic-progress-wrap,
  .topic-actions,
  .topic-expanded {
    grid-column: 2;
  }

  .practice-topic-row {
    gap: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
  }

  .practice-topic-row .topic-overview {
    font-size: 13px;
  }

  .practice-topic-row .topic-name {
    font-size: 17px;
  }

  .practice-topic-row .topic-chips {
    gap: 8px 10px;
  }

  .practice-topic-row .topic-progress-block {
    padding: 12px;
  }

  .practice-topic-row .topic-card-cta .topic-retry-button {
    min-height: 50px;
    border-radius: 16px;
  }

  .topic-list.is-topic-focus .practice-topic-row.is-expanded .topic-card-stack {
    display: none;
  }

  .topic-list.is-topic-focus .topic-expanded {
    padding: 0;
    border: 0;
    background: transparent;
    gap: 14px;
  }

  .topic-guide-toolbar {
    position: sticky;
    top: 0;
    z-index: 30;
    margin: 0 0 4px;
    padding: 10px 0 12px;
    background: color-mix(in srgb, var(--bg), #ffffff 88%);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
  }

  .topic-guide-topic-name {
    white-space: normal;
  }

  .topic-guide-count {
    min-height: 28px;
    padding-inline: 9px;
  }

  .main.is-topic-focus-page {
    padding-top: 12px;
  }

  .subject-saved-tile {
    min-height: 76px;
    padding: 14px;
    border-radius: 18px;
  }

  .subject-saved-tile-hint {
    text-wrap: pretty;
  }

  .practice-topic-row.is-vip-locked {
    border-radius: 14px;
  }

  .practice-topic-row.is-vip-locked .priority {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .practice-set-progress-inline {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .practice-set-accuracy-inline {
    justify-self: start;
  }

  .practice-unlock-bar {
    bottom: max(8px, env(safe-area-inset-bottom, 0px));
  }

  .practice-unlock-bar-button {
    width: 100%;
  }

  .status-tag,
  .topic-actions {
    justify-self: start;
  }

  .topic-actions {
    justify-items: start;
  }

  .practice-topbar {
    display: grid;
  }

  .practice-topbar--question {
    position: sticky;
    top: 0;
    z-index: 40;
    margin: 0;
    padding:
      12px
      max(18px, env(safe-area-inset-right, 0px))
      14px
      max(18px, env(safe-area-inset-left, 0px));
    background: color-mix(in srgb, var(--bg), #ffffff 90%);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
    display: block;
    transition: padding 0.22s ease;
  }

  .practice-topbar--question.is-compact {
    padding:
      8px
      max(18px, env(safe-area-inset-right, 0px))
      10px
      max(18px, env(safe-area-inset-left, 0px));
  }

  .practice-topbar--question.is-compact .practice-question-header {
    gap: 0;
  }

  .practice-topbar--question.is-compact .practice-question-subnav {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding-top: 0;
    pointer-events: none;
  }

  .practice-topbar--question.is-compact .practice-back-button {
    min-height: 38px;
    font-size: 13px;
    padding: 0 10px;
  }

  .practice-topbar--question.is-compact .practice-question-toolbar .practice-question-counter {
    min-height: 38px;
    font-size: 13px;
  }

  .practice-topbar--question.is-compact .report-toggle--icon {
    width: 32px;
    height: 32px;
    min-height: 32px;
  }

  .practice-shell--question-active {
    gap: 12px;
    padding-top: 0;
    padding-left: 0;
    padding-right: 0;
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  }

  .practice-shell--question-active .practice-question-header {
    gap: 12px;
  }

  .practice-shell--question-active .practice-back-button {
    width: max-content;
    max-width: min(100%, 220px);
    min-height: 42px;
    padding: 0 12px;
    font-size: 14px;
    flex-shrink: 1;
  }

  .practice-question-toolbar {
    align-items: center;
    gap: 14px;
  }

  .practice-question-toolbar-end {
    align-items: center;
    gap: 10px;
  }

  .practice-question-toolbar .practice-question-counter {
    min-height: 42px;
    font-size: 14px;
  }

  .practice-question-toolbar .practice-back-button {
    margin: 0;
    align-self: center;
  }

  .practice-panel--question-focus {
    padding:
      0
      max(18px, env(safe-area-inset-right, 0px))
      0
      max(18px, env(safe-area-inset-left, 0px));
    border: 0;
    background: transparent;
    box-shadow: none;
    gap: 12px;
  }

  .question-card--focus {
    padding: 0;
    border: 0;
    background: transparent;
    gap: 14px;
  }

  .question-card--focus .question-study-main {
    gap: 10px;
  }

  .question-card--focus .question-stem--passage {
    font-size: clamp(14px, 3.4vw, 17px);
    line-height: 1.55;
    font-weight: 500;
  }

  .question-card--focus .question-stem--prompt {
    font-size: clamp(16px, 3.8vw, 20px);
    line-height: 1.35;
    font-weight: 800;
  }

  .question-card--focus .question-reading-passage {
    padding: 10px 12px;
    border-radius: 12px;
  }

  .question-card--focus .question-choices,
  .question-card--focus .question-choices--interactive {
    gap: 7px;
  }

  .question-card--focus .question-choice-btn {
    min-height: 44px;
    padding: 9px 11px;
  }

  .question-card--focus .question-choice-text {
    font-size: clamp(14px, 3.2vw, 16px);
  }

  .question-card--focus .question-choice-badge {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .practice-progress-chip {
    justify-items: start;
  }

  .practice-shell--question-active .practice-heading--during-question,
  .practice-shell--question-active .practice-topic-progress--during-question {
    display: none;
  }

  .practice-shell--question-active .question-meta--compact-hidden {
    display: none;
  }

  .question-actions-sentinel {
    width: 100%;
    height: 1px;
    margin: 0;
    pointer-events: none;
  }

  .question-card--focus .question-study-layout:has(.notebook-fab) .question-choices {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }

  .question-card--focus .question-card-actions {
    position: sticky;
    bottom: 0;
    z-index: 35;
    margin-top: 28px;
    padding-top: 0;
    padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    background: transparent;
    border-top: 0;
    box-shadow: none;
  }

  .question-card--focus .question-card-actions.is-stuck {
    margin-top: 0;
    padding-top: 12px;
    background: color-mix(in srgb, var(--bg), #ffffff 94%);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(10px);
  }

  .question-card--focus .question-card-actions .button-row {
    flex-wrap: nowrap;
    gap: 10px;
    padding-top: 0;
  }

  .question-card--focus .question-study-layout:has(.notebook-fab) .question-card-actions .button-row {
    padding-right: 88px;
  }

  .question-card--focus .question-card-actions .button-row .button.primary {
    flex: 1 1 auto;
    width: auto;
    max-width: none;
    min-width: 0;
  }

  .question-card--focus .question-card-actions .button-row .button.primary:only-child {
    flex: 1 1 auto;
  }

  .question-card--focus .question-card-actions .button-row .button.secondary {
    flex: 0 1 auto;
    min-width: 0;
    padding-left: 12px;
    padding-right: 12px;
  }

  .question-card--focus .question-card-actions .button-row .question-report--icon {
    flex: 0 0 auto;
  }

  .question-card--focus .question-card-actions .button-row .report-toggle--icon {
    width: 48px;
    height: 48px;
    min-height: 48px;
    border-radius: 14px;
  }

  .question-card--focus:has(.question-card-actions.is-stuck) .notebook-fab {
    bottom: calc(84px + env(safe-area-inset-bottom, 0px));
  }

  .question-card--focus:has(.question-lecture-toggle):has(.question-card-actions.is-stuck) .notebook-fab {
    bottom: calc(148px + env(safe-area-inset-bottom, 0px));
  }

  .question-card--focus .question-lecture-player {
    margin-bottom: 12px;
  }

  .question-card--focus .question-lecture-button {
    width: auto;
  }

  .question-card--focus .question-lecture-hint {
    font-size: 13px;
  }

  .question-study-layout {
    grid-template-columns: 1fr;
  }

  .question-side-note {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 220;
    max-height: min(52vh, 420px);
    margin: 0;
    padding: 14px 16px calc(16px + env(safe-area-inset-bottom, 0px));
    border: 0;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -12px 36px rgba(15, 23, 42, 0.18);
    transform: translateY(110%);
    transition: transform 0.28s ease;
    overflow: auto;
    visibility: hidden;
  }

  .question-side-note.is-sheet-open {
    transform: translateY(0);
    visibility: visible;
  }

  .notebook-sheet-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 210;
    border: 0;
    background: rgba(15, 23, 42, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.24s ease;
  }

  .notebook-sheet-scrim:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
  }

  .notebook-sheet-close {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--muted);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    justify-self: end;
  }

  .question-side-note-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .notebook-fab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: fixed;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    z-index: 120;
    min-height: 48px;
    padding: 0 16px;
    border: 0;
    border-radius: 999px;
    background: var(--subject);
    color: #fff;
    font: inherit;
    font-size: 15px;
    font-weight: 900;
    box-shadow: 0 12px 28px color-mix(in srgb, var(--subject), #000000 28%);
    cursor: pointer;
  }

  .notebook-fab-icon svg {
    width: 18px;
    height: 18px;
    stroke-width: 2.2;
  }

  .notebook-fab-badge {
    min-width: 22px;
    min-height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: #fff;
    color: var(--subject);
    font-size: 12px;
    font-weight: 900;
    display: inline-grid;
    place-items: center;
  }

  body.is-notebook-open .notebook-fab {
    opacity: 0;
    pointer-events: none;
  }

  .question-choice-btn {
    min-height: 48px;
    border-radius: 14px;
  }

  .question-choice-badge {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 15px;
  }

  .topic-expanded {
    margin-left: 0;
  }

  .topic-guidance {
    grid-template-columns: 1fr;
  }

  .topic-expanded-actions,
  .topic-quiz-head {
    display: grid;
    justify-content: stretch;
  }

  .topic-expanded-actions .button {
    width: 100%;
  }

  .guide-nav {
    flex-direction: column-reverse;
  }

  .guide-nav .button {
    width: 100%;
  }

  .guide-video-play-icon {
    width: 56px;
    height: 56px;
  }

  .guide-video-play-icon svg {
    width: 26px;
    height: 26px;
  }

  .question-card:not(.question-card--focus) .question-card-actions {
    gap: 10px;
  }

  .question-card:not(.question-card--focus) .question-card-actions .button-row {
    flex-wrap: wrap;
  }

  .report-actions .button,
  .admin-report-actions .button,
  .admin-report-actions a.button {
    width: 100%;
  }

  .wrong-question-card .report-toggle {
    width: max-content;
  }
}

@media (max-width: 520px) {
  .topic-name {
    font-size: 17px;
  }

  .topic-chips {
    gap: 6px;
  }

  .topic-chips span {
    min-height: 24px;
    padding-inline: 8px;
    font-size: 12px;
  }

  .practice-topic-row.is-vip-locked .topic-row-action {
    min-height: 46px;
    padding: 8px 10px;
  }

  .practice-topic-row.is-vip-locked .topic-next-step {
    font-size: 12px;
  }

  .auth-nav {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 12px;
  }

  .auth-nav-actions {
    justify-content: stretch;
  }

  .auth-login-link {
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .auth-nav-actions > * {
    flex: 1;
  }

  .auth-hero-actions .button,
  .auth-final-cta .button {
    width: 100%;
  }

  .auth-proof-row {
    grid-template-columns: 1fr;
  }

  .auth-proof-row span {
    min-height: 0;
  }

  .auth-school-stage {
    padding: 10px;
  }

  .auth-today-card,
  .auth-progress-card {
    min-height: 0;
  }

  .auth-product-preview,
  .auth-signup-section,
  .auth-feature-grid article,
  .auth-showcase-card,
  .auth-final-cta {
    padding: 16px;
  }

  .auth-preview-top {
    grid-template-columns: 1fr;
  }

  .auth-question-meta,
  .auth-final-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .auth-question-card {
    min-height: 0;
    padding: 16px;
  }

  .auth-preview-side {
    grid-template-columns: 1fr;
  }

  .auth-note-card {
    min-height: 0;
  }

  .auth-mini-progress {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .auth-donut {
    width: 70px;
    height: 70px;
  }

  .auth-donut span {
    width: 48px;
    height: 48px;
    font-size: 16px;
  }

  .auth-signup-section {
    margin-left: -2px;
    margin-right: -2px;
  }

  h1 {
    font-size: 30px;
  }

  .subtitle {
    font-size: 16px;
  }

  .main {
    padding-inline: 14px;
  }

  .subject-card,
  .recommend-panel,
  .overview-panel,
  .thinking-math-section,
  .subject-hero,
  .study-plan,
  .admin-panel,
  .admin-report-card {
    padding: 20px;
  }

  .subject-hero {
    padding: 16px;
  }

  .subject-hero .icon-box {
    display: none;
  }

  .subject-hero-stats {
    width: 100%;
    gap: 8px;
    padding: 12px;
  }

  .subject-hero-stats .subject-stat-card {
    min-height: 52px;
    padding: 9px 7px;
  }

  .subject-hero h1 {
    font-size: 26px;
  }

  .subject-hero .subtitle {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    font-size: 14px;
    line-height: 1.45;
  }

  .subject-hero-steps {
    gap: 6px;
  }

  .subject-hero-steps .subject-step-item {
    flex: 1 1 calc(50% - 6px);
    min-height: 32px;
    padding: 0 9px 0 6px;
    font-size: 12px;
  }

  .subject-hero-steps strong {
    width: 20px;
    height: 20px;
    font-size: 11px;
  }

  .subject-hero--practice .subject-hero-progress-box {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
    padding: 10px 12px;
  }

  .subject-hero--practice .subject-hero-stats {
    width: 100%;
  }

  .subject-start-button {
    min-height: 44px;
    font-size: 14px;
  }

  .subject-hero-focus {
    display: none;
  }

  .subject-saved-tile {
    min-height: 72px;
    padding: 12px 14px;
    gap: 10px;
  }

  .subject-saved-tile-leading {
    gap: 6px;
  }

  .subject-saved-tile-icon {
    width: 32px;
    height: 32px;
  }

  .subject-saved-tile-icon svg {
    width: 16px;
    height: 16px;
  }

  .subject-saved-tile-count {
    font-size: 22px;
  }

  .subject-saved-tile-label {
    font-size: 15px;
  }

  .subject-saved-tile-hint {
    font-size: 12px;
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .admin-users-controls,
  .admin-users-pagination {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-users-controls .admin-filter-pills,
  .admin-users-pagination div {
    width: 100%;
  }

  .admin-users-page-size {
    width: 100%;
  }

  .admin-users-pagination div {
    justify-content: space-between;
  }

  .admin-users-table {
    min-width: 0;
  }

  .admin-users-table thead {
    display: none;
  }

  .admin-users-table tbody,
  .admin-users-table tr,
  .admin-users-table td {
    display: block;
    width: 100%;
  }

  .admin-users-table tr {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .admin-users-table tr:last-child {
    border-bottom: none;
  }

  .admin-users-table td {
    padding: 4px 0;
    border-bottom: none;
  }

  .admin-users-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 850;
  }

  .subject-top {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .subject-drag-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .recommend-head {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .recommend-toggle {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .recommend-review {
    grid-template-columns: 1fr;
  }

  .subject-weight {
    grid-column: 2;
    font-size: 18px;
    justify-items: start;
  }

  .button,
  .back-button {
    width: 100%;
  }

  .auth-shell {
    min-height: 100vh;
  }

  .auth-card {
    padding: 16px;
  }

  .auth-signup-checks {
    display: grid;
  }

  .user-profile {
    flex-wrap: wrap;
    align-items: stretch;
    gap: 14px;
    padding: 16px 18px;
    min-height: 0;
  }

  .user-profile .avatar,
  .user-profile .avatar.avatar-image {
    width: 72px;
    height: 72px;
  }

  .profile-link {
    flex: 1 1 100%;
    min-width: 0;
    margin: 0;
    padding: 4px 0;
    gap: 14px;
  }

  .profile-link-name {
    max-width: none;
  }

  .profile-toolbar {
    flex: 1 1 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    padding-left: 0;
    border-left: 0;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .profile-sync-status {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .topbar > .back-button {
    width: auto;
  }

  .profile-points-chip {
    flex: 1 1 auto;
    justify-content: flex-start;
  }

  .profile-points-item {
    align-items: flex-start;
  }

  .signout-button.compact {
    width: auto;
    flex-shrink: 0;
  }

  .practice-shell {
    padding: 14px;
  }

  .practice-panel,
  .question-card {
    padding: 16px;
  }

  .practice-heading {
    grid-template-columns: 1fr;
  }

  .answer-field input {
    max-width: none;
  }

  .topic-expanded {
    grid-column: 1 / -1;
    padding: 12px;
  }
}

.profile-page {
  display: grid;
  gap: 28px;
  max-width: 760px;
}

.feedback-page {
  display: grid;
  gap: 24px;
  max-width: 760px;
}

.feedback-form {
  display: grid;
  gap: 16px;
}

.profile-card,
.profile-stat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.profile-card {
  padding: 28px;
  display: grid;
  gap: 24px;
}

.profile-identity {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.profile-avatar-wrap {
  display: grid;
  gap: 14px;
  justify-items: center;
}

.profile-avatar-wrap .tiny-note {
  margin: 2px 0 0;
  text-align: center;
}

.profile-avatar,
.profile-avatar.avatar-image,
.profile-avatar.avatar-default {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--line);
  overflow: hidden;
  object-fit: cover;
  background: var(--blue-soft);
  display: block;
}

.profile-avatar.avatar-default {
  display: grid;
}

.avatar-picker {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.avatar-picker-label {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.avatar-picker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.avatar-picker-option {
  width: 56px;
  height: 56px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 50%;
  background: var(--surface);
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--line);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.avatar-picker-option img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-picker-option:hover,
.avatar-picker-option:focus-visible {
  border-color: var(--blue);
  transform: translateY(-1px);
  outline: none;
  box-shadow: 0 0 0 3px var(--blue-soft);
}

.avatar-picker-option.is-selected {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-soft);
}

@media (max-width: 640px) {
  .avatar-picker-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
  }

  .avatar-picker-option {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }
}

.empty-panel--illustrated {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 12px;
  padding: 28px 20px;
}

.empty-panel-art {
  width: min(180px, 52vw);
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.practice-complete-card {
  display: grid;
  justify-items: start;
  gap: 12px;
}

.practice-complete-art {
  width: min(200px, 56vw);
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.avatar-upload-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.avatar-upload-button svg {
  width: 16px;
  height: 16px;
}

.profile-name-form {
  display: grid;
  gap: 14px;
}

.profile-name-form .field {
  gap: 10px;
}

.profile-name-form .tiny-note {
  margin: 0;
}

.profile-name-form .button-row {
  margin-top: 4px;
  padding-top: 2px;
}

.profile-email-note {
  margin: 0;
  padding-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.profile-status {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
}

.profile-status.is-success {
  background: var(--green-soft);
  color: var(--green);
}

.profile-status.is-error {
  background: #fff0f0;
  color: var(--red);
}

.vip-profile-card {
  gap: 18px;
}

.vip-profile-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.vip-profile-summary span {
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  color: #64748b;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 850;
}

.vip-profile-summary span.is-active {
  border-color: color-mix(in srgb, var(--subject), #ffffff 65%);
  background: var(--subject-soft);
  color: var(--subject);
}

.vip-profile-summary svg {
  width: 16px;
  height: 16px;
}

.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.profile-stat-card {
  padding: 26px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.profile-stat-card.is-correct {
  border-color: #bbf7d0;
  background: linear-gradient(180deg, #f0fdf4 0%, #fff 100%);
}

.profile-stat-card.is-wrong {
  border-color: #fecaca;
  background: linear-gradient(180deg, #fff5f5 0%, #fff 100%);
}

button.profile-stat-card {
  border: 1px solid var(--line);
  color: inherit;
  font: inherit;
  text-align: left;
  width: 100%;
}

.profile-stat-card.is-clickable {
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.profile-stat-card.is-clickable:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(28, 45, 72, 0.1);
}

.profile-stat-card.is-clickable:focus-visible {
  outline: 3px solid #fecaca;
  outline-offset: 2px;
}

.profile-stat-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  color: #b91c1c;
  font-size: 13px;
  font-weight: 800;
}

.profile-stat-action svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.2;
}

.profile-wrong-subject-block {
  display: grid;
  gap: 14px;
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.profile-wrong-subject-block:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.profile-wrong-subject-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.profile-wrong-subject-head .icon-box {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.profile-wrong-subject-head h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.profile-wrong-subject-head .topic-meta {
  margin: 4px 0 0;
}

.profile-wrong-subject-head .button {
  margin-left: auto;
  flex-shrink: 0;
}

.profile-stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  box-shadow: 0 0 0 1px var(--line);
}

.profile-stat-card.is-correct .profile-stat-icon {
  color: var(--green);
}

.profile-stat-card.is-wrong .profile-stat-icon {
  color: var(--red);
}

.profile-stat-icon svg {
  width: 20px;
  height: 20px;
}

.profile-stat-label {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.profile-stat-value {
  margin: 10px 0 0;
  font-size: 36px;
  line-height: 1;
  font-weight: 900;
}

.profile-stat-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.profile-actions {
  display: flex;
  gap: 12px;
  padding-top: 4px;
}

.profile-section-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
}

.profile-reports-card {
  padding: 0;
  overflow: hidden;
}

.profile-reports-toggle {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  padding: 22px 24px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.profile-reports-toggle:hover,
.profile-reports-toggle:focus-visible {
  background: #f8fafc;
  outline: none;
}

.profile-reports-toggle-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.profile-reports-toggle-copy .profile-section-title {
  font-size: 19px;
}

.profile-reports-count {
  flex-shrink: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.profile-reports-chevron {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--muted);
  transition: transform 0.15s ease;
}

.profile-reports-chevron svg {
  width: 18px;
  height: 18px;
  transform: rotate(90deg);
}

.profile-reports-toggle.is-expanded .profile-reports-chevron svg {
  transform: rotate(-90deg);
}

.profile-stat-icon.is-reports {
  color: var(--red);
}

.profile-reports-list {
  padding: 0 24px 24px;
  border-top: 1px solid var(--line);
}

.profile-reports-list[hidden] {
  display: none;
}

.profile-reports-items {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.profile-report-item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  display: grid;
  gap: 10px;
}

.profile-report-item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.profile-report-item-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.profile-report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.profile-report-topic {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
}

.profile-report-question,
.profile-report-description {
  margin: 0;
  color: #334155;
  font-size: 14px;
  line-height: 1.5;
}

.profile-report-description strong {
  color: var(--ink);
}

.profile-points-card {
  display: grid;
  gap: 24px;
}

.profile-points-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.profile-points-head .tiny-note {
  margin: 8px 0 0;
}

.profile-stat-icon.is-points {
  color: #f59e0b;
}

.profile-stat-icon.is-feedback {
  color: var(--blue);
}

.profile-points-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.profile-points-stat {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fafc;
}

.profile-points-stat .profile-stat-value {
  margin-top: 12px;
}

.profile-points-card > .button-row {
  margin-top: 2px;
  padding-top: 4px;
}

.points-award-trigger {
  position: relative;
  display: inline-flex;
}

.points-award-hint {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 0;
  z-index: 20;
  width: min(340px, calc(100vw - 40px));
  padding: 16px 18px;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s ease;
  pointer-events: none;
}

.points-award-hint::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 24px;
  border: 8px solid transparent;
  border-top-color: #fff;
  filter: drop-shadow(0 2px 0 #bfdbfe);
}

.points-award-hint-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 900;
  color: #1e3a8a;
}

.points-award-hint-copy {
  margin: 0 0 12px;
  color: #475569;
  font-size: 14px;
  line-height: 1.55;
}

.points-award-hint-copy strong {
  color: #0f172a;
}

.points-award-hint-sub {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 800;
  color: #64748b;
}

.points-award-hint-list {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.points-award-hint-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #f0f9ff;
  font-size: 13px;
  font-weight: 700;
  color: #1e3a8a;
  line-height: 1.4;
}

.points-award-hint-list em {
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
  color: #15803d;
  white-space: nowrap;
}

.points-award-hint-foot {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.45;
}

@media (hover: hover) and (pointer: fine) {
  .points-award-trigger:hover .points-award-hint,
  .points-award-trigger:focus-within .points-award-hint {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

.points-redeem-trigger {
  position: relative;
  display: inline-flex;
}

.points-redeem-hint {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  left: auto;
  z-index: 20;
  width: min(340px, calc(100vw - 40px));
  padding: 16px 18px;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s ease;
  pointer-events: none;
}

.points-redeem-hint::after {
  content: "";
  position: absolute;
  top: 100%;
  right: 24px;
  left: auto;
  border: 8px solid transparent;
  border-top-color: #fff;
  filter: drop-shadow(0 2px 0 #fde68a);
}

.points-redeem-hint-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 900;
  color: #92400e;
}

.points-redeem-hint-copy {
  margin: 0 0 12px;
  color: #475569;
  font-size: 14px;
  line-height: 1.55;
}

.points-redeem-hint-copy strong {
  color: #0f172a;
}

.points-redeem-hint-sub {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 800;
  color: #64748b;
}

.points-redeem-hint-list {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.points-redeem-hint-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #fffbeb;
  font-size: 13px;
  font-weight: 700;
  color: #92400e;
  line-height: 1.4;
}

.points-redeem-hint-list em {
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
  color: #d97706;
  white-space: nowrap;
}

.points-redeem-hint-foot {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.45;
}

@media (hover: hover) and (pointer: fine) {
  .points-redeem-trigger:hover .points-redeem-hint,
  .points-redeem-trigger:focus-within .points-redeem-hint {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

.profile-points-card > .tiny-note {
  margin: 0;
}

.profile-points-stat.is-bonus {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.profile-points-stat.is-remaining {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.profile-points-stat.is-redeemed {
  border-color: #fde68a;
  background: #fffbeb;
}

.profile-points-form {
  display: grid;
  gap: 10px;
}

.profile-points-history {
  padding-top: 8px;
}

.profile-history-title {
  margin: 0 0 14px;
  font-size: 16px;
}

.profile-history-empty {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.points-history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.points-history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}

.points-history-item.is-award {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.points-history-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.points-history-copy strong {
  font-size: 15px;
  line-height: 1.35;
}

.points-history-value {
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 900;
  color: #d97706;
  white-space: nowrap;
}

.points-history-value.is-award {
  color: var(--green);
}

.points-history-pagination {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.points-history-pagination .button {
  min-height: 40px;
  padding: 8px 12px;
}

.points-history-pagination .button:first-child {
  justify-self: start;
}

.points-history-pagination .button:last-child {
  justify-self: end;
}

.points-history-pagination > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .points-history-pagination {
    grid-template-columns: 1fr 1fr;
  }

  .points-history-pagination > span {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-self: center;
  }

  .points-history-pagination .button {
    width: 100%;
  }
}

body.has-modal-open {
  overflow: hidden;
}

/* Path onboarding (Khan-style first-login picker) */
.profile-modal.path-onboarding-modal {
  /* Keep the guided flow above the sticky subject switcher and mobile nav. */
  z-index: 1000;
  overscroll-behavior: contain;
}

.profile-modal-dialog.path-onboarding-dialog {
  width: min(100%, 720px);
  max-height: min(860px, calc(100dvh - 32px));
  padding: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 0;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
}

.path-onboarding-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
}

.path-onboarding-head h2 {
  margin: 0;
  text-align: center;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 900;
  color: var(--ink);
}

.path-onboarding-head .profile-modal-close {
  justify-self: end;
}

.path-onboarding-banner {
  position: relative;
  min-height: 118px;
  padding: 22px 20px 26px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(180deg, #4cc3e8 0%, #2ea8d8 55%, #1f8fc4 100%);
}

.path-onboarding-banner-mountains {
  position: absolute;
  inset: auto 0 0 0;
  height: 54px;
  background:
    radial-gradient(ellipse 90px 46px at 12% 100%, #1d6f9a 0 98%, transparent 100%),
    radial-gradient(ellipse 120px 58px at 34% 100%, #2281ad 0 98%, transparent 100%),
    radial-gradient(ellipse 100px 50px at 58% 100%, #1c6f98 0 98%, transparent 100%),
    radial-gradient(ellipse 130px 62px at 82% 100%, #2590bd 0 98%, transparent 100%),
    radial-gradient(ellipse 70px 36px at 96% 100%, #1a648c 0 98%, transparent 100%);
  opacity: 0.95;
  pointer-events: none;
}

.path-onboarding-banner-copy {
  position: relative;
  z-index: 1;
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
  display: grid;
  gap: 6px;
}

.path-onboarding-banner-title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 900;
  line-height: 1.25;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.path-onboarding-banner-sub {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.94);
}

.path-onboarding-body {
  min-height: 0;
  overflow-y: auto;
  padding: 18px 20px 8px;
  display: grid;
  gap: 14px;
}

.path-onboarding-section h3 {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 900;
  color: var(--text);
}

.path-onboarding-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.path-onboarding-option {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.path-onboarding-option:hover {
  border-color: color-mix(in srgb, var(--blue) 40%, var(--line));
  background: var(--blue-soft);
}

.path-onboarding-option.is-checked {
  border-color: color-mix(in srgb, var(--blue) 55%, var(--line));
  background: var(--blue-soft);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--blue) 22%, transparent);
}

.path-onboarding-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.path-onboarding-box {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid #94a3b8;
  border-radius: 4px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.04);
  position: relative;
  flex: 0 0 auto;
}

.path-onboarding-option.is-checked .path-onboarding-box {
  border-color: var(--blue);
  background: var(--blue);
}

.path-onboarding-option.is-checked .path-onboarding-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.path-onboarding-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.path-onboarding-copy strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 850;
  line-height: 1.3;
}

.path-onboarding-copy em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 650;
  line-height: 1.4;
}

.path-onboarding-hint {
  margin: 0;
}

.path-onboarding-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 70%, var(--surface));
}

.path-onboarding-submit {
  min-width: min(100%, 280px);
}

.path-onboarding-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

[data-theme="dark"] .path-onboarding-banner {
  background: linear-gradient(180deg, #2a7fa8 0%, #1d6488 55%, #164f6d 100%);
}

[data-theme="dark"] .path-onboarding-box {
  background: var(--surface);
  border-color: #7b8aa3;
}

[data-theme="dark"] .path-onboarding-actions {
  background: var(--surface-soft);
}

@media (min-width: 720px) {
  .path-onboarding-options {
    grid-template-columns: 1fr;
  }

  .path-onboarding-option {
    padding: 13px 14px;
  }
}

@media (max-width: 560px) {
  .profile-modal-dialog.path-onboarding-dialog {
    width: 100%;
    max-height: calc(100dvh - 16px);
    border-radius: 14px;
  }

  .path-onboarding-head h2 {
    text-align: left;
    font-size: 17px;
  }

  .path-onboarding-actions {
    justify-content: stretch;
  }

  .path-onboarding-submit {
    width: 100%;
    min-width: 0;
  }
}

/* Journey-map onboarding — guided grade choice, then one calm selectable path. */
.profile-modal-dialog.path-onboarding-dialog {
  width: min(100%, 760px);
  max-height: min(880px, calc(100dvh - 32px));
  grid-template-rows: auto 5px minmax(0, 1fr) auto;
  background: var(--surface-soft);
  border: 1px solid color-mix(in srgb, var(--blue) 14%, var(--line));
}

.path-onboarding-head {
  padding: 18px 22px 14px;
  background: var(--surface);
}

.path-onboarding-head h2 {
  text-align: left;
  font-size: clamp(20px, 2.6vw, 25px);
}

.path-onboarding-step {
  margin: 0 0 3px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.path-onboarding-progress {
  height: 5px;
  overflow: hidden;
  background: color-mix(in srgb, var(--blue) 10%, var(--line));
}

.path-onboarding-progress i {
  display: block;
  height: 100%;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, var(--blue), #6c43dc);
  transition: width 0.25s ease;
}

.path-onboarding-screen {
  min-height: 0;
  overflow-y: auto;
  padding: 20px 22px 16px;
}

.path-onboarding-screen[hidden],
.path-onboarding-actions [hidden] {
  display: none;
}

.path-onboarding-grade-intro,
.path-onboarding-recommendation {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--blue) 20%, var(--line));
  border-radius: 16px;
  background: color-mix(in srgb, var(--blue-soft) 78%, var(--surface));
}

.path-onboarding-grade-intro > span,
.path-onboarding-recommendation > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  color: var(--blue);
  background: var(--surface);
}

.path-onboarding-grade-intro svg,
.path-onboarding-recommendation svg {
  width: 22px;
  height: 22px;
}

.path-onboarding-grade-intro strong {
  color: var(--text);
  font-size: 16px;
  font-weight: 900;
}

.path-onboarding-grade-intro p,
.path-onboarding-recommendation p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.path-onboarding-grade-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.path-onboarding-grade-options .current-grade-option {
  min-height: 92px;
  background: var(--surface);
}

.path-onboarding-grade-options .current-grade-option.is-selected {
  border-color: var(--grade-color);
  background: color-mix(in srgb, var(--grade-color) 8%, var(--surface));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--grade-color) 18%, transparent);
}

.path-onboarding-journey-screen {
  padding-bottom: 8px;
}

.path-onboarding-recommendation {
  grid-template-columns: 34px minmax(0, 1fr);
  margin-bottom: 10px;
  padding: 10px 12px;
  border-color: color-mix(in srgb, #f2a51a 24%, var(--line));
  background: color-mix(in srgb, #fff4d8 76%, var(--surface));
}

.path-onboarding-recommendation > span {
  width: 34px;
  height: 34px;
  color: #a86100;
}

.path-onboarding-options {
  gap: 10px;
}

.path-roadmap-stage {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  animation: path-node-in 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--stagger, 0) * 70ms);
}

.path-roadmap-rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.path-roadmap-marker {
  position: relative;
  z-index: 2;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 4px solid var(--surface-soft);
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--blue) 25%, var(--line));
}

.path-roadmap-marker svg {
  width: 17px;
  height: 17px;
}

.path-roadmap-stage.is-destination .path-roadmap-marker {
  background: #df7b18;
  box-shadow: 0 0 0 1px color-mix(in srgb, #df7b18 32%, var(--line));
}

.path-roadmap-line {
  position: absolute;
  z-index: 1;
  top: 34px;
  bottom: -14px;
  width: 3px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--blue) 26%, var(--line));
}

.path-roadmap-card {
  min-width: 0;
  margin-bottom: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.path-roadmap-stage.is-destination .path-roadmap-card {
  border-color: color-mix(in srgb, #df7b18 42%, var(--line));
  background: color-mix(in srgb, #fff4d8 48%, var(--surface));
}

.path-roadmap-stage-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}

.path-roadmap-stage-head span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.path-roadmap-stage-head strong {
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 11px;
  font-weight: 900;
}

.path-roadmap-stage.is-destination .path-roadmap-stage-head strong {
  color: #9a5600;
  background: color-mix(in srgb, #f2a51a 16%, var(--surface));
}

.path-roadmap-subjects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.path-roadmap-subject {
  --path-color: #64748b;
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  min-width: 0;
  padding: 8px 9px;
  border: 1px solid color-mix(in srgb, var(--path-color) 18%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--path-color) 5%, var(--surface));
}

.path-roadmap-subject.is-english { --path-color: #6c43dc; }
.path-roadmap-subject.is-sasmo { --path-color: #0d9276; }
.path-roadmap-subject.is-amc { --path-color: #2876c7; }
.path-roadmap-subject.is-tdn { --path-color: #df7b18; }

.path-roadmap-subject > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  color: var(--path-color);
  background: color-mix(in srgb, var(--path-color) 11%, var(--surface));
}

.path-roadmap-subject svg {
  width: 18px;
  height: 18px;
}

.path-roadmap-subject div {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.path-roadmap-subject small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
}

.path-roadmap-subject strong {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.3;
}

.path-roadmap-subject input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.path-onboarding-option.path-onboarding-node {
  --path-color: #64748b;
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 28px;
  gap: 12px;
  align-items: center;
  min-height: 88px;
  padding: 12px 14px 12px 6px;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  animation: path-node-in 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--stagger, 0) * 70ms);
  transition: border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

@keyframes path-node-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.path-onboarding-option.path-onboarding-node:hover {
  border-color: color-mix(in srgb, var(--path-color) 42%, var(--line));
  background: color-mix(in srgb, var(--path-color) 4%, var(--surface));
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.09);
}

.path-onboarding-option.path-onboarding-node:focus-within {
  border-color: var(--path-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--path-color) 25%, transparent);
}

.path-onboarding-option.path-onboarding-node.is-checked {
  border-color: var(--path-color);
  background: color-mix(in srgb, var(--path-color) 6%, var(--surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--path-color) 13%, transparent);
}

.path-onboarding-node.is-english { --path-color: #6c43dc; }
.path-onboarding-node.is-sasmo { --path-color: #0d9276; }
.path-onboarding-node.is-amc { --path-color: #2876c7; }
.path-onboarding-node.is-tdn { --path-color: #df7b18; }

.path-onboarding-option.path-onboarding-node.is-destination {
  border-color: color-mix(in srgb, #df7b18 45%, var(--line));
  background: linear-gradient(135deg, color-mix(in srgb, #df7b18 9%, var(--surface)), var(--surface) 65%);
}

.path-onboarding-rail {
  position: relative;
  display: flex;
  align-self: stretch;
  justify-content: center;
  z-index: 1;
}

.path-onboarding-node-icon {
  position: relative;
  z-index: 2;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  align-self: center;
  border: 0;
  border-radius: 16px;
  color: var(--path-color);
  background: color-mix(in srgb, var(--path-color) 11%, var(--surface));
  box-shadow: none;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.path-onboarding-node.is-checked .path-onboarding-node-icon {
  color: #fff;
  background: var(--path-color);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px color-mix(in srgb, var(--path-color) 38%, transparent);
}

.path-onboarding-node.is-destination .path-onboarding-node-icon::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 2px dashed color-mix(in srgb, #df7b18 55%, transparent);
  border-radius: 20px;
}

.path-onboarding-node-icon svg {
  width: 22px;
  height: 22px;
}

.path-onboarding-line {
  position: absolute;
  z-index: 0;
  top: calc(50% + 25px);
  bottom: -23px;
  width: 4px;
  border-radius: 999px;
  background: repeating-linear-gradient(180deg, color-mix(in srgb, var(--path-color) 45%, var(--line)) 0 6px, transparent 6px 12px);
}

.path-onboarding-node.is-checked .path-onboarding-line {
  background: color-mix(in srgb, var(--path-color) 60%, var(--line));
}

.path-onboarding-node .path-onboarding-copy {
  align-self: center;
  gap: 4px;
}

.path-onboarding-node-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.path-onboarding-node-meta b {
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--path-color);
  font-size: 10px;
  background: color-mix(in srgb, var(--path-color) 11%, var(--surface));
}

.path-onboarding-node.is-destination .path-onboarding-node-meta b {
  color: #fff;
  background: linear-gradient(135deg, #f2a51a, #df7b18);
}

.path-onboarding-node .path-onboarding-copy strong {
  font-size: 15px;
}

.path-onboarding-node .path-onboarding-copy em {
  max-width: 560px;
  font-size: 12px;
}

.path-onboarding-node .path-onboarding-box {
  align-self: center;
  justify-self: end;
  width: 26px;
  height: 26px;
  margin: 0;
  border: 2px solid color-mix(in srgb, var(--path-color) 35%, var(--line));
  border-radius: 50%;
  background: var(--surface);
  box-shadow: none;
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}

.path-onboarding-node.is-checked .path-onboarding-box {
  border-color: var(--path-color);
  background: var(--path-color);
  animation: path-check-pop 0.26s cubic-bezier(0.22, 1, 0.36, 1);
}

.path-onboarding-node.is-checked .path-onboarding-box::after {
  left: 8px;
  top: 4px;
  width: 6px;
  height: 11px;
}

@keyframes path-check-pop {
  0% { transform: scale(0.55); }
  60% { transform: scale(1.18); }
  100% { transform: scale(1); }
}

.path-onboarding-hint {
  margin: 8px 4px 0 74px;
  min-height: 20px;
}

.path-onboarding-actions {
  justify-content: space-between;
  padding: 14px 22px 18px;
  background: var(--surface);
}

.path-onboarding-actions .button {
  min-height: 48px;
}

.path-onboarding-actions .path-onboarding-back {
  min-width: 126px;
}

.path-onboarding-actions .path-onboarding-next,
.path-onboarding-actions .path-onboarding-submit {
  min-width: min(100%, 250px);
  margin-left: auto;
}

[data-theme="dark"] .path-onboarding-recommendation {
  background: color-mix(in srgb, #7d4c00 30%, var(--surface));
}

[data-theme="dark"] .path-roadmap-stage.is-destination .path-roadmap-card {
  background: color-mix(in srgb, #7d4c00 20%, var(--surface));
}

[data-theme="dark"] .path-onboarding-option.path-onboarding-node {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .path-onboarding-option.path-onboarding-node:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
}

@media (max-height: 720px) and (min-width: 561px) {
  .profile-modal.path-onboarding-modal {
    padding: 8px;
  }

  .profile-modal-dialog.path-onboarding-dialog {
    max-height: calc(100dvh - 16px);
  }

  .path-onboarding-head {
    padding: 12px 18px 10px;
  }

  .path-onboarding-screen {
    padding: 12px 18px 6px;
  }

  .path-onboarding-recommendation {
    margin-bottom: 8px;
    padding-block: 8px;
  }

  .path-onboarding-option.path-onboarding-node {
    min-height: 82px;
    padding-block: 7px;
  }

  .path-roadmap-stage {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 6px;
  }

  .path-roadmap-subjects {
    grid-template-columns: 1fr;
  }

  .path-roadmap-card {
    padding: 10px;
  }

  .path-onboarding-actions {
    padding: 10px 18px 12px;
  }
}

@media (max-width: 560px) {
  .profile-modal.path-onboarding-modal {
    padding: 8px;
  }

  .profile-modal-dialog.path-onboarding-dialog {
    max-height: calc(100dvh - 16px);
  }

  .path-onboarding-head {
    padding: 14px 14px 11px;
  }

  .path-onboarding-screen {
    padding: 14px 12px 8px;
  }

  .path-onboarding-grade-options {
    grid-template-columns: 1fr;
  }

  .path-onboarding-grade-options .current-grade-option {
    min-height: 74px;
  }

  .path-roadmap-stage {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 6px;
  }

  .path-roadmap-subjects {
    grid-template-columns: 1fr;
  }

  .path-roadmap-card {
    padding: 10px;
  }

  .path-onboarding-option.path-onboarding-node {
    grid-template-columns: 50px minmax(0, 1fr) 26px;
    gap: 9px;
    min-height: 84px;
    padding: 11px 11px 11px 5px;
  }

  .path-onboarding-node-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
  }

  .path-onboarding-line {
    top: calc(50% + 23px);
  }

  .path-onboarding-hint {
    margin-left: 64px;
  }

  .path-onboarding-actions {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    padding: 10px 12px 12px;
  }

  .path-onboarding-actions .path-onboarding-back {
    min-width: 0;
  }

  .path-onboarding-actions .path-onboarding-next,
  .path-onboarding-actions .path-onboarding-submit {
    width: 100%;
    min-width: 0;
  }
}

.profile-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 20px;
}

.profile-modal[hidden] {
  display: none;
}

.profile-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(15, 23, 42, 0.45);
  cursor: pointer;
}

.profile-modal-dialog {
  position: relative;
  width: min(100%, 440px);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
  display: grid;
  gap: 16px;
}

.profile-modal-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.profile-modal-head h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.profile-modal-close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #f8fafc;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.profile-modal-status {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
}

.profile-modal-status.is-success {
  background: var(--green-soft);
  color: var(--green);
}

.profile-modal-status.is-error {
  background: #fff0f0;
  color: var(--red);
}

.profile-modal-step {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.profile-modal-dialog--award,
.profile-modal-dialog--redeem {
  width: min(100%, 720px);
  max-height: calc(100dvh - 40px);
  margin: auto;
  padding: 24px 28px 28px;
  gap: 18px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.profile-modal-dialog--award .profile-modal-head h2,
.profile-modal-dialog--redeem .profile-modal-head h2 {
  font-size: 24px;
}

.profile-modal-dialog--award .profile-modal-step,
.profile-modal-dialog--redeem .profile-modal-step {
  margin-bottom: 8px;
  font-size: 13px;
}

.profile-modal-dialog--award .tiny-note,
.profile-modal-dialog--redeem .tiny-note {
  font-size: 15px;
  line-height: 1.55;
}

.profile-modal-dialog--award .profile-modal-close,
.profile-modal-dialog--redeem .profile-modal-close {
  width: 42px;
  height: 42px;
  font-size: 26px;
}

/* Grade pickers (onboarding step 1 + current-grade prompt) — premium minimal. */
.profile-modal-dialog.path-onboarding-dialog,
.profile-modal-dialog.current-grade-dialog {
  border-radius: 22px;
  animation: grade-modal-pop-in 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes grade-modal-pop-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .profile-modal-dialog.path-onboarding-dialog,
  .profile-modal-dialog.current-grade-dialog {
    animation: none;
  }

  .current-grade-option,
  .current-grade-option-icon,
  .current-grade-dot,
  .path-onboarding-option.path-onboarding-node,
  .path-onboarding-node-icon,
  .path-onboarding-node .path-onboarding-box {
    transition: none;
  }

  .path-onboarding-option.path-onboarding-node,
  .path-onboarding-node.is-checked .path-onboarding-box {
    animation: none;
  }
}

.path-onboarding-modal .profile-modal-backdrop {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.profile-modal.current-grade-modal {
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.current-grade-dialog {
  width: min(100%, 560px);
  max-height: calc(100dvh - 32px);
  padding: 24px 24px 22px;
  gap: 18px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--surface);
}

.current-grade-head {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.current-grade-hero {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 16px;
  color: var(--blue);
  background: var(--blue-soft);
}

.current-grade-hero svg {
  width: 26px;
  height: 26px;
  stroke-width: 2;
}

.current-grade-form {
  display: grid;
  gap: 18px;
}

.current-grade-options {
  display: grid;
  gap: 10px;
}

.current-grade-option {
  --grade-color: #2876c7;
  width: 100%;
  min-height: 84px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  text-align: left;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.current-grade-option.is-sprout { --grade-color: #0d9276; }
.current-grade-option.is-blue { --grade-color: #2876c7; }
.current-grade-option.is-violet { --grade-color: #6c43dc; }
.current-grade-option.is-amber { --grade-color: #df7b18; }
.current-grade-option.is-rose { --grade-color: #c44f78; }

.current-grade-option:hover {
  border-color: color-mix(in srgb, var(--grade-color) 45%, var(--line));
  background: color-mix(in srgb, var(--grade-color) 5%, var(--surface));
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.current-grade-option:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--grade-color) 35%, transparent);
  outline-offset: 2px;
}

.current-grade-option.is-selected {
  border-color: var(--grade-color);
  background: color-mix(in srgb, var(--grade-color) 8%, var(--surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--grade-color) 16%, transparent);
}

.current-grade-option-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 14px;
  color: var(--grade-color);
  background: color-mix(in srgb, var(--grade-color) 11%, var(--surface));
  transition: transform 0.16s ease;
}

.current-grade-option.is-selected .current-grade-option-icon {
  transform: scale(1.05);
}

.current-grade-option-icon svg {
  width: 23px;
  height: 23px;
}

.current-grade-option-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.current-grade-option-copy strong {
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
}

.current-grade-option-copy span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.current-grade-dot {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  justify-self: end;
  border: 2px solid color-mix(in srgb, var(--grade-color) 35%, var(--line));
  border-radius: 50%;
  color: #fff;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.current-grade-option.is-selected .current-grade-dot {
  border-color: var(--grade-color);
  background: var(--grade-color);
  transform: scale(1.06);
}

.current-grade-dot svg {
  width: 15px;
  height: 15px;
  stroke-width: 3;
}

[data-theme="dark"] .current-grade-option:hover {
  background: color-mix(in srgb, var(--grade-color) 12%, var(--surface));
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .current-grade-option.is-selected {
  background: color-mix(in srgb, var(--grade-color) 16%, var(--surface));
}

@media (max-width: 560px) {
  .profile-modal.path-onboarding-modal,
  .profile-modal.current-grade-modal {
    align-items: flex-end;
    padding: 0;
  }

  .profile-modal-dialog.path-onboarding-dialog,
  .profile-modal-dialog.current-grade-dialog {
    width: 100%;
    max-height: calc(100dvh - 20px);
    border-radius: 22px 22px 0 0;
  }

  .profile-modal-dialog.current-grade-dialog {
    padding: 20px 16px calc(18px + env(safe-area-inset-bottom, 0px));
  }

  .path-onboarding-actions {
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }

  .current-grade-option {
    min-height: 76px;
    padding: 11px 12px;
    grid-template-columns: 42px minmax(0, 1fr) 24px;
    gap: 10px;
  }

  .current-grade-option-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }
}

.profile-points-form--award,
.profile-points-form--redeem {
  gap: 16px;
}

.profile-points-form-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 148px;
  gap: 16px;
  align-items: end;
}

.profile-points-form--award .field,
.profile-points-form--redeem .field {
  gap: 10px;
}

.profile-points-form--award .field--points-amount input,
.profile-points-form--redeem .field--points-amount input {
  text-align: center;
}

.profile-points-form--award .field > span,
.profile-points-form--redeem .field > span {
  font-size: 15px;
}

.profile-points-form--award .field input,
.profile-points-form--redeem .field input,
.profile-points-form--award .field select,
.profile-points-form--redeem .field select {
  min-height: 52px;
  padding: 0 16px;
  font-size: 16px;
}

.profile-modal-dialog--award .button-row,
.profile-modal-dialog--redeem .button-row,
.profile-modal-form-actions {
  gap: 12px;
}

.profile-modal-dialog--award .button-row .button,
.profile-modal-dialog--redeem .button-row .button,
.profile-modal-form-actions .button {
  min-height: 48px;
  padding: 12px 18px;
  font-size: 15px;
}

.profile-modal-dialog--redeem.vip-upgrade-dialog {
  width: min(100%, 900px);
  padding: 26px 28px 24px;
  border-color: #d8e4f2;
  background:
    linear-gradient(180deg, #ffffff 0%, #ffffff 58%, #f8fbff 100%);
}

.vip-current-line {
  width: fit-content;
  margin: 12px 0 0;
  padding: 7px 10px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #64748b;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.vip-current-summary {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.vip-current-summary strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
}

.vip-current-summary p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.vip-benefit-strip {
  padding: 14px 16px;
  border: 1px solid #c6f6d5;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(180deg, #f4fff8 0%, #ffffff 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}

.vip-benefit-strip span {
  min-width: 0;
  color: #14532d;
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

.vip-benefit-strip svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin-top: 1px;
  stroke-width: 3;
}

.vip-plan-list {
  display: grid;
  gap: 10px;
}

.vip-plan-option {
  position: relative;
  width: 100%;
  min-height: 100px;
  padding: 16px 18px;
  border: 1px solid #e4edf7;
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--text);
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) minmax(148px, auto);
  gap: 14px;
  align-items: center;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.045);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.vip-plan-option:hover,
.vip-plan-option:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject), transparent 86%);
  border-color: color-mix(in srgb, var(--subject), #ffffff 42%);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.vip-plan-option.is-selected {
  border-width: 2px;
  border-color: var(--subject);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--subject-soft), #ffffff 25%) 0%, #ffffff 46%),
    #ffffff;
  box-shadow:
    0 16px 36px color-mix(in srgb, var(--subject), transparent 86%),
    inset 4px 0 0 var(--subject);
}

.vip-plan-radio {
  width: 30px;
  height: 30px;
  border: 2px solid #d6e2ef;
  border-radius: 999px;
  background: #fff;
  color: #fff;
  display: grid;
  place-items: center;
}

.vip-plan-radio svg {
  width: 16px;
  height: 16px;
  stroke-width: 3;
}

.vip-plan-option.is-selected .vip-plan-radio {
  border-color: var(--subject);
  background: var(--subject);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--subject), transparent 88%);
}

.vip-plan-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.vip-plan-option.is-featured {
  border-color: color-mix(in srgb, var(--subject), #ffffff 36%);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--subject-soft), #ffffff 18%) 0%, #ffffff 88%);
  box-shadow: 0 14px 34px color-mix(in srgb, var(--subject), transparent 88%);
}

.vip-plan-feature-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-style: normal;
  font-size: 11px;
  font-weight: 900;
  vertical-align: middle;
}

.vip-plan-copy strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.25;
}

.vip-plan-copy span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.vip-plan-saving {
  width: fit-content;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff7ed;
  color: #9a3412;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.2;
}

.vip-plan-price {
  min-width: 148px;
  display: grid;
  justify-items: end;
  gap: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.vip-plan-price em {
  padding: 4px 10px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-style: normal;
  font-size: 11px;
  font-weight: 900;
}

.vip-plan-price small {
  color: #94a3b8;
  font-size: 12px;
  font-weight: 900;
  text-decoration: line-through;
}

.vip-plan-price b {
  color: var(--subject);
  font-size: 23px;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.vip-plan-price strong {
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.vip-plan-checkout {
  position: sticky;
  bottom: 0;
  z-index: 2;
  margin: 4px -4px -2px;
  padding: 14px 16px;
  border: 1px solid #c7dcff;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.98));
  box-shadow: 0 -14px 30px rgba(24, 101, 242, 0.1);
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.vip-plan-checkout strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.3;
}

.vip-plan-checkout p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.vip-primary-cta {
  min-width: 280px;
  min-height: 56px;
  border-radius: var(--radius);
  font-size: 16px;
  box-shadow: 0 14px 30px rgba(24, 101, 242, 0.24);
}

.vip-primary-cta:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.vip-payment-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.vip-qr-card {
  position: relative;
  aspect-ratio: 1;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  place-items: center;
}

.vip-qr-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.vip-qr-fallback {
  position: absolute;
  inset: auto 14px 14px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(248, 250, 252, 0.92);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.vip-qr-card.is-loaded .vip-qr-fallback {
  display: none;
}

.vip-qr-card.is-error {
  border-color: #fde68a;
  background: #fffbeb;
}

.vip-payment-info {
  display: grid;
  gap: 12px;
}

.vip-payment-info h3 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}

.vip-payment-state {
  width: fit-content;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #eaf1ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.vip-payment-details {
  margin: 0;
}

.vip-payment-details dd {
  overflow-wrap: anywhere;
}

.vip-success-card {
  text-align: center;
}

.profile-modal-form-actions {
  position: sticky;
  bottom: 0;
  z-index: 1;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.points-award-suggestions {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid #dbeafe;
  border-radius: var(--radius-sm);
  background: #f8fbff;
}

.points-award-suggestions-title {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  color: #475569;
}

.points-award-suggestion-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.points-award-suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  background: #fff;
  color: #1e3a8a;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.points-award-suggestion:hover {
  border-color: #93c5fd;
  background: #eff6ff;
}

.points-award-suggestion.is-selected {
  border-color: var(--blue);
  background: #dbeafe;
  box-shadow: 0 0 0 3px rgba(24, 101, 242, 0.12);
}

.points-award-suggestion-label {
  min-width: 0;
}

.points-award-suggestion-points {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: #dcfce7;
  color: #15803d;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.profile-modal-dialog--award .points-redeem-review,
.profile-modal-dialog--redeem .points-redeem-review {
  padding: 20px 22px;
  gap: 14px;
}

.profile-modal-dialog--award .points-redeem-review-lead,
.profile-modal-dialog--redeem .points-redeem-review-lead {
  font-size: 16px;
}

.profile-modal-dialog--award .points-redeem-review-row,
.profile-modal-dialog--redeem .points-redeem-review-row {
  padding: 12px 0;
}

.profile-modal-dialog--award .points-redeem-review-row dt,
.profile-modal-dialog--award .points-redeem-review-row dd,
.profile-modal-dialog--redeem .points-redeem-review-row dt,
.profile-modal-dialog--redeem .points-redeem-review-row dd {
  font-size: 15px;
}

.points-redeem-suggestions {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  background: #fffbeb;
}

.points-redeem-suggestions-title {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  color: #475569;
}

.points-redeem-suggestion-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.points-redeem-suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #fcd34d;
  border-radius: 12px;
  background: #fff;
  color: #92400e;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.points-redeem-suggestion:hover {
  border-color: #fbbf24;
  background: #fffbeb;
}

.points-redeem-suggestion.is-selected {
  border-color: #f59e0b;
  background: #fef3c7;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}

.points-redeem-suggestion-label {
  min-width: 0;
}

.points-redeem-suggestion-points {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: #ffedd5;
  color: #c2410c;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.profile-modal-dialog--redeem .points-redeem-review-row.is-highlight dd {
  color: #d97706;
}

@media (max-width: 680px) {
  .profile-modal-dialog--award,
  .profile-modal-dialog--redeem {
    width: min(100%, 100%);
    padding: 20px 18px 22px;
  }

  .points-award-suggestion-list,
  .points-redeem-suggestion-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-points-form-fields {
    grid-template-columns: 1fr;
  }

  .admin-user-detail-controls {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .points-award-suggestion-list,
  .points-redeem-suggestion-list {
    grid-template-columns: 1fr;
  }
}

.points-redeem-review {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #fffbeb 0%, #fff 100%);
}

.points-redeem-review.is-award {
  border-color: #bbf7d0;
  background: linear-gradient(180deg, #f0fdf4 0%, #fff 100%);
}

.points-redeem-review.is-award .points-redeem-review-row.is-highlight dd {
  color: var(--green);
}

.points-redeem-review-lead {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}

.points-redeem-review-list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.points-redeem-review-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.points-redeem-review-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.points-redeem-review-row dt {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.points-redeem-review-row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 900;
  text-align: right;
}

.points-redeem-review-row.is-highlight dd {
  color: var(--blue);
  font-size: 18px;
}

@media (max-width: 720px) {
  .profile-identity,
  .profile-stats-grid,
  .profile-points-summary {
    grid-template-columns: 1fr;
  }

  .subject-vip-cta {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .subject-vip-cta-button {
    width: 100%;
  }

  .vip-benefit-strip {
    grid-template-columns: 1fr;
  }

  .profile-modal-dialog--redeem.vip-upgrade-dialog {
    padding: 18px 14px 16px;
  }

  .vip-plan-option {
    min-height: 0;
    padding: 14px;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    align-items: start;
  }

  .vip-plan-option .icon-box {
    display: none;
  }

  .vip-plan-price {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-items: start;
    gap: 4px 8px;
    padding-left: 44px;
  }

  .vip-plan-price b {
    font-size: 21px;
  }

  .vip-plan-price span {
    font-size: 12px;
  }

  .vip-plan-checkout {
    grid-template-columns: 1fr;
    margin-inline: 0;
    padding: 12px;
  }

  .vip-primary-cta {
    width: 100%;
    min-width: 0;
  }

  .vip-payment-layout {
    grid-template-columns: 1fr;
  }

  .vip-qr-card {
    width: min(100%, 280px);
    justify-self: center;
  }

  .profile-avatar-wrap {
    justify-items: start;
  }

  .profile-reports-toggle {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    padding: 18px 16px;
  }

  .profile-reports-count,
  .profile-reports-chevron {
    grid-row: 1;
  }

  .profile-reports-count {
    grid-column: 2;
    justify-self: end;
  }

  .profile-reports-chevron {
    display: none;
  }

  .profile-reports-list {
    padding: 0 16px 18px;
  }

  .profile-report-item-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

.practice-set {
  margin-bottom: 26px;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 78%);
  border-radius: 22px;
  display: grid;
  gap: 16px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 16px 40px rgba(28, 45, 72, 0.05);
}

.practice-set:last-child {
  border-bottom: 1px solid color-mix(in srgb, var(--subject), #ffffff 78%);
  margin-bottom: 0;
}

.practice-set.is-focus-active {
  padding: clamp(12px, 2vw, 18px);
  margin-bottom: 0;
  border-bottom: 0;
}

/* Journey / exploring map for topics inside a practice set */
.practice-journey {
  position: relative;
  display: grid;
  gap: 0;
  margin: 2px 0 0;
  padding: 4px 2px 2px 0;
}

.practice-journey-stop {
  position: relative;
  display: grid !important;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px 14px;
  align-items: stretch;
  margin: 0;
  padding: 0 0 18px;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

.practice-journey-stop:last-child {
  padding-bottom: 2px;
}

.practice-journey-stop:last-child .practice-journey-line {
  display: none;
}

.practice-journey-stop:hover,
.practice-journey-stop:focus-visible {
  transform: none !important;
  background: transparent !important;
}

.practice-journey-rail {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 44px;
  padding-top: 14px;
}

.practice-journey-marker {
  position: relative;
  z-index: 2;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: #fff;
  color: var(--subject);
  font-size: 14px;
  font-weight: 900;
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--subject-soft), #ffffff 30%),
    0 8px 18px color-mix(in srgb, var(--subject), transparent 82%),
    inset 0 0 0 2px color-mix(in srgb, var(--subject), #ffffff 55%);
}

.practice-journey-marker span {
  line-height: 1;
}

.practice-journey-marker svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.8;
}

.practice-journey-marker.is-complete {
  background: #16a34a;
  color: #fff;
  box-shadow:
    0 0 0 4px rgba(22, 163, 74, 0.16),
    0 10px 20px rgba(22, 163, 74, 0.22);
}

.practice-journey-marker.is-progress {
  background: var(--subject);
  color: #fff;
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--subject), transparent 82%),
    0 10px 20px color-mix(in srgb, var(--subject), transparent 72%);
}

.practice-journey-marker.is-locked {
  background: #f8fafc;
  color: #94a3b8;
  box-shadow:
    0 0 0 3px #eef2f7,
    inset 0 0 0 1px #e2e8f0;
}

.practice-journey-line {
  flex: 1 1 auto;
  width: 4px;
  min-height: 28px;
  margin-top: 6px;
  border-radius: 999px;
  background:
    repeating-linear-gradient(
      180deg,
      color-mix(in srgb, var(--subject), #ffffff 55%) 0 8px,
      transparent 8px 14px
    );
}

.practice-journey-line.is-progress {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--subject), #ffffff 12%) 0%,
    color-mix(in srgb, var(--subject-soft), #ffffff 20%) 100%
  );
}

.practice-journey-line.is-complete {
  background: linear-gradient(180deg, #16a34a 0%, #4ade80 100%);
}

.practice-journey-stop > .topic-card-stack,
.practice-journey-stop > .topic-card-cta,
.practice-journey-stop > .topic-expanded {
  grid-column: 2;
}

.practice-journey-stop > .topic-card-stack {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 74%);
  border-radius: 18px;
  background:
    linear-gradient(180deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 62%) 100%),
    #fff;
  box-shadow: 0 10px 24px rgba(28, 45, 72, 0.05);
  transition:
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.16s ease;
}

.practice-journey-stop:hover > .topic-card-stack,
.practice-journey-stop:focus-visible > .topic-card-stack {
  border-color: color-mix(in srgb, var(--subject), #ffffff 48%);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--subject), transparent 86%);
  transform: translateY(-1px);
}

.practice-journey-stop.is-complete > .topic-card-stack {
  border-color: color-mix(in srgb, #16a34a, #ffffff 62%);
  background:
    linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%),
    #fff;
  box-shadow:
    inset 3px 0 0 #16a34a,
    0 10px 22px rgba(22, 163, 74, 0.08);
}

.practice-journey-stop.is-current > .topic-card-stack,
.practice-journey-stop.is-recommended > .topic-card-stack {
  border-color: color-mix(in srgb, var(--subject), #ffffff 42%);
  box-shadow:
    inset 3px 0 0 var(--subject),
    0 12px 28px color-mix(in srgb, var(--subject), transparent 84%);
}

.practice-journey-stop.is-vip-locked > .topic-card-stack {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 58%);
  border-color: color-mix(in srgb, var(--subject), #ffffff 72%);
  box-shadow: none;
  opacity: 0.92;
}

.practice-journey-stop.is-sequence-locked {
  cursor: not-allowed;
}

.practice-journey-stop.is-sequence-locked > .topic-card-stack {
  border-style: dashed;
  border-color: #cbd5e1;
  background: #f8fafc;
  box-shadow: none;
  opacity: 0.86;
}

.practice-journey-stop.is-sequence-locked:hover > .topic-card-stack,
.practice-journey-stop.is-sequence-locked:focus-visible > .topic-card-stack {
  border-color: #cbd5e1;
  box-shadow: none;
  transform: none;
}

.topic-sequence-lock-label {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e9eef5;
  color: #64748b;
  font-size: 12px;
  font-weight: 900;
}

.topic-sequence-lock-label svg {
  width: 14px;
  height: 14px;
}

.topic-sequence-lock-note {
  margin: 12px 0 0;
  color: #64748b;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.5;
}

.practice-journey-stop .priority.is-complete {
  background: #16a34a;
  color: #fff;
  box-shadow: 0 8px 16px rgba(22, 163, 74, 0.22);
}

.practice-journey-stop .priority.is-complete svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.8;
}

.practice-journey-stop .priority.is-locked {
  background: #eef2f7;
  color: #94a3b8;
  box-shadow: none;
}

.topic-done-chip {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #dcfce7;
  color: #15803d;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px #86efac;
}

.topic-done-chip svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.6;
}

.practice-set.is-journey {
  background:
    radial-gradient(circle at 8% 12%, color-mix(in srgb, var(--subject-soft), #ffffff 20%) 0 90px, transparent 91px),
    radial-gradient(circle at 92% 78%, color-mix(in srgb, var(--subject-soft), #ffffff 35%) 0 70px, transparent 71px),
    rgba(255, 255, 255, 0.82);
}

@media (max-width: 720px) {
  .practice-journey-stop {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px 10px;
    padding-bottom: 14px;
  }

  .practice-journey-rail {
    width: 36px;
    padding-top: 12px;
  }

  .practice-journey-marker {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .practice-journey-marker svg {
    width: 14px;
    height: 14px;
  }

  .practice-journey-stop > .topic-card-stack {
    padding: 12px 12px;
  }
}

.practice-set-header {
  margin: 0;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: 18px;
  background:
    linear-gradient(135deg, #ffffff 0%, color-mix(in srgb, var(--subject-soft), #ffffff 50%) 100%),
    #fff;
}

.practice-set-header--integrated {
  display: block;
  padding: 18px 20px;
}

.practice-set-header--lazy,
.practice-set-header--locked {
  align-items: center;
}

.practice-set-header-main {
  display: grid;
  gap: 8px;
}

.practice-set-header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.practice-set-header-top h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.2;
  color: var(--ink);
}

.practice-set-copy {
  display: grid;
  gap: 4px;
}

.practice-set-copy h3,
.practice-set-copy p,
.practice-set-header-main p {
  margin: 0;
}

.practice-set-copy p,
.practice-set-header-main p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.practice-set-progress-inline {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto minmax(148px, max-content);
  align-items: center;
  gap: 10px 16px;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid color-mix(in srgb, var(--subject), #ffffff 82%);
}

.practice-set-progress-value {
  color: var(--subject);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0;
}

.practice-set-accuracy-inline {
  justify-self: end;
  min-width: 148px;
  min-height: 34px;
  padding: 0 18px;
  border-radius: 999px;
  color: color-mix(in srgb, var(--subject), #065f46 18%);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 18%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 72%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.practice-set-wrong-count {
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid color-mix(in srgb, #dc2626, #ffffff 68%);
  color: #b42318;
}

button.practice-set-wrong-count {
  appearance: none;
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
  font: inherit;
  cursor: pointer;
}

button.practice-set-wrong-count.is-link:hover,
button.practice-set-wrong-count.is-link:focus-visible {
  color: #8f1d14;
  text-decoration: underline;
}

button.practice-set-wrong-count.is-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--subject), #ffffff 68%);
  outline-offset: 3px;
  border-radius: 6px;
}

.practice-set-accordion-details .practice-set-wrong-count {
  margin-left: 0;
  padding-left: 0;
  border-left: 0;
}

.practice-set-accuracy-inline.is-empty {
  color: #64748b;
  background: #f8fafc;
  box-shadow: inset 0 0 0 1px #dbe3ee;
  font-weight: 850;
}

.practice-set-status-chip {
  min-width: 132px;
  padding: 12px 14px;
  display: grid;
  gap: 4px;
  justify-items: center;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 72%);
}

.practice-set-status-chip strong {
  color: var(--subject);
  font-size: 15px;
  line-height: 1.2;
}

.practice-set-status-chip small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.practice-set-status-chip.is-locked {
  color: #64748b;
}

.practice-set-status-chip.is-locked strong {
  color: #64748b;
}

.practice-set-status-chip.is-locked svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.4;
}

.practice-set.has-unlock-bar {
  padding-bottom: 4px;
}

.practice-unlock-bar {
  position: sticky;
  bottom: 12px;
  z-index: 6;
  margin-top: 0;
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 68%);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96)),
    #ffffff;
  box-shadow:
    0 14px 34px rgba(30, 41, 59, 0.12),
    inset 0 0 0 1px rgba(148, 163, 184, 0.14);
}

.practice-unlock-bar-copy {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.practice-unlock-bar-copy p {
  margin: 0;
  color: #4b5a70;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}

.practice-unlock-bar-copy strong {
  color: var(--ink);
}

.practice-unlock-bar-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 35%);
  color: var(--subject);
  display: inline-grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 72%);
}

.practice-unlock-bar-icon svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.4;
}

.practice-unlock-bar-button {
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  background: var(--subject);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: 0 12px 24px color-mix(in srgb, var(--subject), transparent 72%);
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    filter 0.16s ease;
}

.practice-unlock-bar-button:hover,
.practice-unlock-bar-button:focus-visible {
  filter: brightness(0.96);
  transform: translateY(-1px);
}

.practice-unlock-bar-button svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.6;
}

.practice-set-copy {
  display: grid;
  gap: 4px;
}

.practice-set-copy h3,
.practice-set-copy p {
  margin: 0;
}

.practice-set-copy h3 {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.2;
  color: var(--ink);
}

.practice-set-copy p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.practice-set-badge {
  width: fit-content;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--subject);
  color: #ffffff;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 76%);
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.practice-set-progress {
  min-width: 154px;
  padding: 14px 16px 15px;
  display: grid;
  gap: 7px;
  justify-items: center;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92)),
    #ffffff;
  box-shadow:
    0 16px 34px rgba(30, 41, 59, 0.08),
    inset 0 0 0 1px rgba(148, 163, 184, 0.2);
}

.practice-set-progress-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.practice-set-progress > span:not(.practice-set-progress-label),
.practice-set-progress small:not(.practice-set-accuracy) {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.practice-set-progress strong {
  color: var(--subject);
  font-size: 31px;
  line-height: 1;
  letter-spacing: 0;
}

.practice-set-accuracy {
  padding: 5px 10px;
  border-radius: 999px;
  color: #047857;
  background: #dcfce7;
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.18);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.practice-set-progress.is-locked strong {
  color: #64748b;
  font-size: 16px;
}

.practice-set-progress.is-lazy strong {
  color: var(--subject);
  font-size: 18px;
}

.practice-topic-row-lazy .topic-lazy-note {
  padding: 10px 12px;
  border-radius: 12px;
  background: #f8fafc;
}

.practice-set-meter {
  width: 100%;
  height: 8px;
  margin-top: 1px;
  border-radius: 999px;
  overflow: hidden;
  background: #e6edf7;
}

.practice-set-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--subject), color-mix(in srgb, var(--subject), #38bdf8 24%));
}

.practice-set-locked {
  opacity: 0.72;
  pointer-events: none;
  user-select: none;
  position: relative;
}

.practice-set-locked .practice-set-header {
  border-color: #e2e8f0;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.practice-set-locked .locked-hint {
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  color: #64748b;
  font-size: 0.95rem;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .question-image-visual img {
    max-height: min(48vh, 440px);
  }
}

@media (max-width: 720px) {
  .question-calendar-visual {
    grid-template-columns: 1fr;
  }

  .question-image-visual .image-card {
    padding: 10px;
    border-radius: 16px;
  }

  .question-image-visual img {
    max-height: min(42vh, 340px);
    border-radius: 8px;
  }

  .question-image-zoom-hint {
    right: 8px;
    bottom: 8px;
    padding: 6px 10px;
    font-size: 11px;
  }

  .question-image-lightbox {
    padding: 10px;
  }

  .question-image-lightbox-dialog {
    width: 100%;
    max-height: 94vh;
    padding: 12px;
    border-radius: 16px;
  }

  .question-image-lightbox-stage img {
    max-height: min(72vh, 640px);
  }

  .practice-set {
    padding: 0 12px 12px;
  }

  .practice-set-header,
  .practice-set-header--integrated {
    padding: 14px 16px;
  }

  .practice-set-header {
    grid-template-columns: 1fr;
  }

  .practice-set-status-chip {
    width: 100%;
    justify-items: start;
  }

  .practice-set-progress {
    width: 100%;
    justify-items: start;
  }
}

/* ===================== TOÁN PICTURES PAGE (/toan-picture) ===================== */
.toan-pictures-app {
  background: #fffaf5;
}

.toan-pictures {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.toan-pictures .pic-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.toan-pictures h1 {
  font-size: 28px;
  margin: 0 0 6px;
  color: #5c3d2e;
}

.pic-subtitle {
  color: #6b5648;
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}

.pic-count {
  background: #fff;
  border: 2px solid #d85f1f;
  color: #d85f1f;
  padding: 6px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  align-self: center;
  white-space: nowrap;
}

.toan-pictures .pic-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.toan-pictures #pic-search {
  flex: 1;
  min-width: 220px;
  padding: 10px 14px;
  border: 2px solid #e5d9cc;
  border-radius: 10px;
  font-size: 15px;
}

.pic-filters {
  display: flex;
  gap: 6px;
}

.filter-btn {
  background: #fff;
  border: 2px solid #e5d9cc;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all .1s ease;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: #d85f1f;
  background: #fff2e6;
  color: #c2410f;
}

.pic-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pic-topic h3 {
  margin: 0 0 12px;
  font-size: 17px;
  color: #5c3d2e;
  border-bottom: 2px solid #f2e4d4;
  padding-bottom: 6px;
}

.pic-cards {
  display: grid;
  gap: 16px;
}

@media (min-width: 860px) {
  .pic-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.pic-card {
  background: #fff;
  border: 2px solid #f0e2d1;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.pic-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.pic-card-head .ma {
  font-family: ui-monospace, monospace;
  background: #f8f1e7;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 14px;
  color: #5c3d2e;
}

.level-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
}

.level-tag.easy { background:#dcfce7; color:#166534; }
.level-tag.medium { background:#fef3c7; color:#854d0e; }
.level-tag.hard { background:#ffedd5; color:#9a3412; }
.level-tag.challenge { background:#fee2e2; color:#991b1b; }

.pic-card-head .bo {
  margin-left: auto;
  font-size: 12px;
  background: #f4e9db;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  color: #6b5648;
}

.pic-stem {
  font-size: 15px;
  line-height: 1.45;
  font-weight: 600;
  color: #3f2a22;
  margin-bottom: 10px;
}

.pic-meta-bottom {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.4;
}

.pic-meta-bottom .answer-line {
  color: #166534;
  margin-bottom: 4px;
}

.pic-meta-bottom .hint-line {
  color: #5c3d2e;
}

.pic-empty {
  text-align: center;
  padding: 40px;
  color: #6b5648;
  font-weight: 600;
}

/* AMC visual gallery on /toan-picture */
.pic-gallery {
  margin: 0 0 28px;
  padding: 18px 18px 12px;
  background: linear-gradient(180deg, #fffaf3 0%, #fff 100%);
  border: 2px solid #f0e2d1;
  border-radius: 18px;
}

.pic-gallery-head h2 {
  margin: 0 0 6px;
  font-size: 18px;
  color: #5c3d2e;
}

.pic-gallery-head p {
  margin: 0 0 14px;
  font-size: 14px;
  color: #6b5648;
  line-height: 1.45;
}

.pic-gallery-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .pic-gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1100px) {
  .pic-gallery-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.pic-gallery-card {
  background: #fff;
  border: 2px solid #f0e2d1;
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 180px;
}

.pic-gallery-card.is-missing {
  border-color: #fecaca;
  background: #fef2f2;
}

.pic-gallery-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pic-gallery-card-head strong {
  font-size: 14px;
  color: #3f2a22;
}

.pic-gallery-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1;
  text-transform: uppercase;
}

.pic-gallery-note {
  margin: 0;
  font-size: 12px;
  color: #78716c;
}

.pic-gallery-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafaf9;
  border-radius: 10px;
  padding: 8px;
  overflow: hidden;
}

.pic-gallery-visual .question-visual {
  margin: 0;
  width: 100%;
}

.pic-gallery-visual img {
  max-height: 160px !important;
}

.pic-gallery-key {
  font-size: 11px;
  color: #78716c;
  background: #f5f5f4;
  padding: 2px 6px;
  border-radius: 4px;
  align-self: flex-start;
}

.pic-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.pic-controls #pic-search {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid #f0e2d1;
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
}

.pic-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Redesigned public homepage */
.auth-shell {
  --auth-navy: #0b2149;
  --auth-slate: #6b7280;
  --auth-border: #d8dde6;
  --auth-gold: #ffb100;
  background:
    radial-gradient(circle at 78% 14%, rgba(24, 101, 242, 0.13), transparent 340px),
    linear-gradient(180deg, #ffffff 0%, #eef6ff 62%, #f8fbff 100%);
}

.auth-nav {
  min-height: 82px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.92);
  grid-template-columns: minmax(250px, 0.8fr) minmax(500px, auto) minmax(210px, 0.8fr);
  gap: 18px;
}

.auth-brand .brand-mark {
  width: 46px;
  height: 46px;
}

.auth-brand strong {
  color: var(--auth-navy);
  font-size: 19px;
  letter-spacing: 0;
}

.auth-brand small {
  color: #64748b;
  font-size: 12px;
}

.auth-nav-links {
  gap: clamp(14px, 2vw, 28px);
}

.auth-nav-links a,
.auth-login-link {
  color: #4b5870;
  font-size: 14px;
}

.auth-nav-cta {
  border-radius: 14px;
  padding: 0 20px;
  width: auto;
}

.auth-landing {
  width: min(1420px, calc(100% - clamp(28px, 7vw, 120px)));
  padding: clamp(28px, 4vw, 54px) 0 38px;
  gap: clamp(22px, 3vw, 34px);
}

.auth-hero {
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(34px, 5vw, 76px);
  align-items: center;
}

.auth-hero > * {
  min-width: 0;
}

.auth-hero-copy {
  gap: 22px;
}

.auth-hero-badge {
  width: max-content;
  max-width: 100%;
  min-height: 36px;
  margin: 0;
  padding: 0 14px;
  border: 1px solid color-mix(in srgb, var(--blue) 35%, transparent);
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 900;
}

.auth-hero-copy h1 {
  max-width: 750px;
  color: var(--auth-navy);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}

.auth-hero-copy h1 span {
  color: var(--blue);
}

.auth-hero-copy .subtitle {
  max-width: 690px;
  color: var(--auth-slate);
  font-size: clamp(16px, 1.35vw, 19px);
  font-weight: 600;
  line-height: 1.7;
}

.auth-secondary-cta {
  border: 1px solid var(--auth-border);
  color: var(--auth-navy);
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.auth-proof-row {
  gap: 12px;
}

.auth-proof-row span {
  min-height: 86px;
  border-color: var(--auth-border);
  border-radius: 18px;
  color: #64748b;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.05);
}

.auth-proof-row strong {
  color: var(--auth-navy);
  font-size: 27px;
}

.auth-product-dashboard {
  min-width: 0;
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid var(--auth-border);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.96)),
    #ffffff;
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.14);
}

.auth-dashboard-tabs {
  padding: 5px;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: #eef4ff;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.auth-dashboard-tabs button {
  min-height: 44px;
  border-radius: 12px;
  background: transparent;
  color: #64748b;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
}

.auth-dashboard-tabs button.is-active {
  background: #ffffff;
  color: var(--blue);
  box-shadow: 0 12px 24px rgba(24, 101, 242, 0.12);
}

.auth-dashboard-body {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.62fr);
  gap: 18px;
}

.auth-learning-card,
.auth-exam-card,
.auth-progress-widget {
  border: 1px solid var(--auth-border);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.07);
}

.auth-learning-card {
  min-height: 470px;
  padding: clamp(20px, 2.2vw, 28px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.auth-learning-card p {
  margin: 0;
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.auth-learning-card h2 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(25px, 2.2vw, 34px);
  line-height: 1.12;
  letter-spacing: 0;
}

.auth-learning-card > span,
.auth-exam-card span {
  color: var(--auth-slate);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.5;
}

.auth-puzzle-grid {
  width: min(100%, 310px);
  margin: 8px auto 2px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.auth-puzzle-grid i,
.auth-puzzle-grid strong {
  aspect-ratio: 1;
  border: 1px solid #dbeafe;
  border-radius: 18px;
  background: #f8fbff;
  display: grid;
  place-items: center;
}

.auth-puzzle-grid i::before {
  content: "";
  width: 44%;
  height: 44%;
  display: block;
}

.auth-puzzle-grid .shape-square::before {
  border-radius: 9px;
  background: var(--blue);
}

.auth-puzzle-grid .shape-circle::before {
  border-radius: 50%;
  background: #22c55e;
}

.auth-puzzle-grid .shape-triangle::before {
  width: 0;
  height: 0;
  border-left: 18px solid transparent;
  border-right: 18px solid transparent;
  border-bottom: 32px solid var(--auth-gold);
}

.auth-puzzle-grid strong {
  color: var(--blue);
  font-size: 28px;
  font-weight: 950;
}

.auth-topic-tags,
.auth-signup-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.auth-topic-tags span {
  min-height: 34px;
  padding: 0 11px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1e40af;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 900;
}

.auth-lesson-progress {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.auth-lesson-progress > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--auth-navy);
  font-size: 14px;
  font-weight: 900;
}

.auth-lesson-progress > div:first-child span {
  color: #64748b;
}

.auth-lesson-progress > div:last-child {
  overflow: hidden;
  height: 11px;
  border-radius: 999px;
  background: #e2e8f0;
}

.auth-lesson-progress > div:last-child span {
  display: block;
  width: 60%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), #60a5fa);
}

.auth-dashboard-side {
  display: grid;
  gap: 18px;
}

.auth-exam-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
}

.auth-exam-card img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  display: block;
  object-fit: cover;
}

.auth-exam-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.76));
}

.auth-exam-card div {
  position: absolute;
  z-index: 1;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 6px;
}

.auth-exam-card strong {
  color: #ffffff;
  font-size: 18px;
  line-height: 1.2;
}

.auth-exam-card span {
  color: #dbeafe;
}

.auth-progress-widget {
  padding: 20px;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.auth-progress-widget .auth-donut {
  width: 92px;
  height: 92px;
}

.auth-progress-widget .auth-donut span {
  width: 64px;
  height: 64px;
}

.auth-progress-widget h2 {
  margin: 0 0 10px;
  color: var(--auth-navy);
  font-size: 20px;
  line-height: 1.16;
}

.auth-progress-widget p {
  margin: 0;
  padding: 8px 0;
  border-top: 1px solid #eef2f7;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  font-weight: 800;
}

.auth-progress-widget strong {
  color: var(--auth-navy);
  white-space: nowrap;
}

.auth-progress-widget a {
  margin-top: 10px;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 950;
  text-decoration: none;
}

.auth-progress-widget a svg {
  width: 16px;
  height: 16px;
}

.auth-insight-card {
  overflow: hidden;
  padding: clamp(24px, 3.2vw, 42px);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 24px;
  background:
    radial-gradient(circle at 18% 35%, rgba(242, 201, 76, 0.18), transparent 210px),
    linear-gradient(135deg, #0f172a 0%, #172554 100%);
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.16);
}

.auth-insight-visual {
  position: relative;
  min-height: 230px;
}

.auth-orbit {
  position: absolute;
  inset: 8px 12px 18px 0;
  border: 1px solid rgba(226, 232, 240, 0.2);
  border-radius: 50%;
}

.auth-orbit span {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--auth-gold);
}

.auth-orbit span:nth-child(1) {
  top: 20%;
  left: 16%;
}

.auth-orbit span:nth-child(2) {
  right: 18%;
  top: 38%;
}

.auth-orbit span:nth-child(3) {
  left: 46%;
  bottom: 12%;
}

.auth-rocket {
  position: absolute;
  left: 42%;
  top: 28px;
  width: 34px;
  height: 116px;
  border-radius: 50% 50% 12px 12px;
  background: linear-gradient(180deg, #ffffff, #bfdbfe);
  transform: rotate(28deg);
  box-shadow: 0 18px 35px rgba(96, 165, 250, 0.32);
}

.auth-rocket::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--blue);
}

.auth-rocket::after {
  content: "";
  position: absolute;
  left: 8px;
  bottom: -28px;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-top: 34px solid var(--auth-gold);
}

.auth-car {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 28px;
  height: 34px;
  border-radius: 999px 999px 14px 14px;
  background: linear-gradient(90deg, #dbeafe, #ffffff);
  opacity: 0.94;
}

.auth-car::before,
.auth-car::after {
  content: "";
  position: absolute;
  bottom: -10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #020617;
  box-shadow: inset 0 0 0 6px #64748b;
}

.auth-car::before {
  left: 38px;
}

.auth-car::after {
  right: 38px;
}

.auth-insight-copy {
  position: relative;
  display: grid;
  gap: 18px;
}

.auth-quote-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(242, 201, 76, 0.16);
  color: var(--auth-gold);
  display: grid;
  place-items: center;
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.auth-insight-copy blockquote {
  margin: 0;
  color: #ffffff;
  font-size: clamp(25px, 2.6vw, 38px);
  font-weight: 850;
  line-height: 1.22;
  letter-spacing: 0;
}

.auth-insight-copy p {
  max-width: 720px;
  margin: 0;
  color: #bfdbfe;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.6;
}

.auth-value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.auth-value-grid article {
  min-height: 244px;
  padding: 24px;
  border: 1px solid var(--auth-border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  display: grid;
  align-content: start;
  gap: 16px;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.06);
}

.auth-value-grid h2 {
  margin: 0;
  color: var(--auth-navy);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

.auth-value-grid p {
  margin: 0;
  color: var(--auth-slate);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.58;
}

.auth-signup-section {
  border-color: var(--auth-border);
  border-radius: 24px;
  background: linear-gradient(120deg, #ffffff 0%, #f8fbff 62%, #eff6ff 100%);
}

.auth-signup-copy h2,
.auth-final-cta h2 {
  color: var(--auth-navy);
  letter-spacing: 0;
}

.auth-final-cta {
  border-radius: 24px;
}

@media (max-width: 1180px) {
  .auth-nav {
    grid-template-columns: 1fr auto;
  }

  .auth-nav-links {
    display: none;
  }

  .auth-hero,
  .auth-signup-section {
    grid-template-columns: 1fr;
  }

  .auth-product-dashboard {
    max-width: 900px;
  }

  .auth-value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1181px) and (max-height: 940px) {
  .auth-nav {
    min-height: 72px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .auth-landing {
    padding-top: 24px;
    gap: 18px;
  }

  .auth-hero {
    grid-template-columns: minmax(0, 0.96fr) minmax(500px, 1.04fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .auth-hero-copy h1 {
    max-width: 690px;
    font-size: clamp(39px, 4.2vw, 58px);
    line-height: 1.05;
  }

  .auth-hero-copy .subtitle {
    max-width: 650px;
    font-size: 17px;
    line-height: 1.58;
  }

  .auth-proof-row span {
    min-height: 72px;
    padding: 12px;
  }

  .auth-proof-row strong {
    font-size: 23px;
  }

  .auth-product-dashboard {
    padding: 18px;
  }

  .auth-dashboard-body {
    gap: 14px;
  }

  .auth-learning-card {
    min-height: 410px;
    padding: 20px;
    gap: 10px;
  }

  .auth-puzzle-grid {
    width: min(100%, 246px);
    gap: 8px;
  }

  .auth-puzzle-grid i,
  .auth-puzzle-grid strong {
    border-radius: 14px;
  }

  .auth-topic-tags span {
    min-height: 30px;
    padding: 0 10px;
  }

  .auth-exam-card,
  .auth-exam-card img {
    min-height: 174px;
  }

  .auth-progress-widget {
    padding: 16px;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 12px;
  }

  .auth-progress-widget .auth-donut {
    width: 74px;
    height: 74px;
  }

  .auth-progress-widget .auth-donut span {
    width: 52px;
    height: 52px;
    font-size: 17px;
  }

  .auth-progress-widget h2 {
    font-size: 18px;
    margin-bottom: 6px;
  }

  .auth-progress-widget p {
    padding: 6px 0;
  }

  .auth-insight-card {
    padding: 24px;
    grid-template-columns: minmax(190px, 0.55fr) minmax(0, 1.45fr);
  }

  .auth-insight-visual {
    min-height: 170px;
  }

  .auth-insight-copy blockquote {
    font-size: clamp(23px, 2.1vw, 31px);
  }

  .auth-value-grid article {
    min-height: 176px;
    padding: 20px;
    gap: 12px;
  }
}

@media (max-width: 760px) {
  .auth-nav {
    position: relative;
    min-height: 72px;
    padding: 12px 16px;
  }

  .auth-brand .brand-mark {
    width: 40px;
    height: 40px;
  }

  .auth-brand strong {
    font-size: 16px;
  }

  .auth-brand small,
  .auth-login-link {
    display: none;
  }

  .auth-nav-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 13px;
  }

  .auth-landing {
    width: min(100% - 32px, 720px);
    padding-top: 22px;
  }

  .auth-hero-badge {
    width: auto;
    min-height: 0;
    padding: 8px 12px;
    line-height: 1.35;
  }

  .auth-hero-copy h1 {
    font-size: clamp(35px, 10vw, 48px);
  }

  .auth-hero-copy .subtitle {
    font-size: 16px;
  }

  .auth-proof-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .auth-dashboard-body,
  .auth-progress-widget,
  .auth-insight-card,
  .auth-value-grid {
    grid-template-columns: 1fr;
  }

  .auth-product-dashboard,
  .auth-insight-card,
  .auth-value-grid article,
  .auth-signup-section,
  .auth-final-cta {
    border-radius: 18px;
  }

  .auth-dashboard-tabs {
    grid-template-columns: 1fr;
  }

  .auth-learning-card {
    min-height: 0;
  }

  .auth-puzzle-grid {
    width: min(100%, 260px);
  }

  .auth-insight-visual {
    min-height: 190px;
  }

  .auth-final-cta {
    display: grid;
  }
}

/* Diagnostic-first public homepage refresh */
.auth-shell {
  --auth-navy: #101828;
  --auth-slate: #4b5870;
  --auth-border: #dce6f2;
  --auth-gold: #f59e0b;
  background:
    linear-gradient(180deg, #ffffff 0%, #f3f9ff 54%, #ffffff 100%);
}

.auth-nav {
  grid-template-columns: minmax(280px, 0.9fr) minmax(430px, auto) minmax(260px, 0.9fr);
}

.auth-nav-cta {
  min-width: 0;
  white-space: normal;
  line-height: 1.2;
  text-align: center;
}

.auth-hero {
  align-items: start;
}

.auth-hero-copy {
  padding-top: clamp(10px, 2vw, 22px);
}

.auth-hero-copy h1,
.auth-section-head h2,
.auth-report-copy h2,
.auth-signup-copy h2,
.auth-final-cta h2 {
  letter-spacing: 0;
}

.auth-hero-copy h1 {
  max-width: 780px;
  font-size: clamp(38px, 4.7vw, 64px);
}

.auth-hero-badge {
  border-color: #c7ddff;
  background: #f4f8ff;
  color: #1e40af;
}

.auth-proof-row span {
  align-content: center;
  border-radius: 16px;
  background: #ffffff;
  line-height: 1.35;
}

.auth-proof-row strong {
  display: block;
  margin-bottom: 4px;
}

.auth-diagnostic-demo {
  padding: clamp(16px, 2vw, 24px);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(240, 249, 255, 0.96)),
    #ffffff;
}

.auth-diagnostic-steps {
  padding: 6px;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: #eef6ff;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.auth-diagnostic-steps span {
  min-height: 48px;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  color: #52627a;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.25;
}

.auth-diagnostic-steps span:first-child {
  background: #ffffff;
  color: var(--blue);
  box-shadow: 0 12px 24px rgba(24, 101, 242, 0.1);
}

.auth-diagnostic-steps strong {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: currentColor;
  color: #ffffff;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  font-size: 12px;
}

.auth-diagnostic-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.72fr);
  gap: 16px;
}

.auth-mini-test-card,
.auth-weakness-map,
.auth-today-plan,
.auth-report-card,
.auth-problem-list article {
  border: 1px solid var(--auth-border);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.07);
}

.auth-mini-test-card {
  min-height: 430px;
  padding: clamp(18px, 2.1vw, 26px);
  display: grid;
  gap: 16px;
  align-content: start;
}

.auth-question-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

.auth-question-meta span {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 900;
}

.auth-mini-test-card h2 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(23px, 2vw, 30px);
  line-height: 1.18;
}

.auth-pattern-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.auth-pattern-row i,
.auth-pattern-row strong,
.auth-answer-list span i {
  aspect-ratio: 1;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  background: #f8fbff;
  display: grid;
  place-items: center;
}

.auth-pattern-row i::before,
.auth-pattern-row strong::before,
.auth-answer-list span i::before {
  content: "";
  display: block;
}

.shape-dot::before {
  width: 36%;
  height: 36%;
  border-radius: 50%;
  background: var(--blue);
}

.shape-square::before {
  width: 40%;
  height: 40%;
  border-radius: 7px;
  background: var(--green);
}

.shape-triangle::before {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 18px solid #f59e0b;
}

.shape-diamond::before {
  width: 38%;
  height: 38%;
  border-radius: 6px;
  background: var(--green);
  transform: rotate(45deg);
}

.shape-four::before {
  width: 48%;
  height: 48%;
  border-radius: 10px;
  background:
    radial-gradient(circle at 22% 22%, #f59e0b 0 18%, transparent 20%),
    radial-gradient(circle at 78% 22%, #f59e0b 0 18%, transparent 20%),
    radial-gradient(circle at 22% 78%, #f59e0b 0 18%, transparent 20%),
    radial-gradient(circle at 78% 78%, #f59e0b 0 18%, transparent 20%);
}

.auth-pattern-row strong {
  color: var(--blue);
  font-size: 28px;
  font-weight: 950;
}

.auth-answer-list {
  display: grid;
  gap: 9px;
}

.auth-answer-list span {
  min-height: 46px;
  padding: 8px 12px;
  border: 1px solid #e5edf8;
  border-radius: 14px;
  background: #fbfdff;
  color: #39465c;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 900;
}

.auth-answer-list span i {
  width: 30px;
  height: 30px;
}

.auth-answer-list .is-selected {
  border-color: #86efac;
  background: #f0fdf4;
  color: #166534;
}

.auth-gentle-feedback {
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: #ecfdf5;
  color: #166534;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.55;
}

.auth-result-stack {
  display: grid;
  gap: 16px;
}

.auth-weakness-map,
.auth-today-plan {
  padding: 18px;
}

.auth-weakness-map p,
.auth-today-plan p {
  margin: 0;
  color: var(--blue);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.auth-weakness-map h2 {
  margin: 8px 0 16px;
  color: var(--auth-navy);
  font-size: 20px;
  line-height: 1.25;
}

.auth-skill-bars {
  display: grid;
  gap: 14px;
}

.auth-skill-bars div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  color: #52627a;
  font-size: 13px;
  font-weight: 900;
}

.auth-skill-bars div::after {
  content: "";
  grid-column: 1 / -1;
  height: 9px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--bar) 0 var(--score), #e8eef7 var(--score) 100%);
}

.auth-skill-bars strong {
  color: var(--auth-navy);
}

.auth-today-plan {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
}

.auth-today-plan strong {
  display: block;
  margin: 4px 0 8px;
  color: var(--auth-navy);
  font-size: 28px;
  line-height: 1;
}

.auth-today-plan ul {
  margin: 0;
  padding-left: 18px;
  color: var(--auth-slate);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.5;
}

.auth-problem-section,
.auth-report-section {
  padding: clamp(24px, 3vw, 40px);
  border: 1px solid var(--auth-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.06);
}

.auth-section-head {
  max-width: 820px;
  margin: 0 0 22px;
  text-align: left;
}

.auth-section-head h2,
.auth-report-copy h2 {
  color: var(--auth-navy);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.14;
}

.auth-section-head p,
.auth-report-copy p {
  margin: 10px 0 0;
  color: var(--auth-slate);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.65;
}

.auth-problem-list {
  display: grid;
  gap: 14px;
}

.auth-problem-list article {
  min-height: 104px;
  padding: 18px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.auth-problem-list h3 {
  margin: 0 0 6px;
  color: var(--auth-navy);
  font-size: 19px;
  line-height: 1.25;
}

.auth-problem-list p {
  margin: 0;
  color: var(--auth-slate);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
}

.auth-report-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.62fr);
  gap: clamp(22px, 4vw, 58px);
  align-items: center;
  background:
    linear-gradient(120deg, #ffffff 0%, #f7fbff 64%, #eff6ff 100%);
}

.auth-report-copy {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.auth-report-points {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.auth-report-points span {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  background: #ffffff;
  color: #1e3a8a;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 900;
}

.auth-report-points svg {
  width: 16px;
  height: 16px;
  color: var(--green);
}

.auth-report-card {
  padding: 20px;
  display: grid;
  gap: 16px;
  transform: rotate(1.2deg);
}

.auth-report-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-report-card-head .brand-mark {
  width: 42px;
  height: 42px;
}

.auth-report-card-head strong {
  display: block;
  color: var(--auth-navy);
  font-size: 17px;
}

.auth-report-card-head small {
  color: #64748b;
  font-size: 12px;
  font-weight: 800;
}

.auth-report-student {
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fbff;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--auth-slate);
  font-size: 14px;
  font-weight: 850;
}

.auth-report-card p {
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  background: #fff7ed;
  color: #9a3412;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.55;
}

.auth-report-actions {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 8px;
}

.auth-report-actions button {
  min-height: 40px;
  border-radius: 12px;
  background: #eff6ff;
  color: #1d4ed8;
  font: inherit;
  font-size: 12px;
  font-weight: 950;
}

.auth-report-actions button:last-child {
  background: var(--blue);
  color: #ffffff;
}

.auth-value-grid article {
  min-height: 220px;
}

@media (max-width: 1180px) {
  .auth-nav {
    grid-template-columns: 1fr auto;
  }

  .auth-diagnostic-grid,
  .auth-report-section {
    grid-template-columns: 1fr;
  }

  .auth-report-card {
    max-width: 560px;
    transform: none;
  }
}

@media (min-width: 1181px) and (max-height: 940px) {
  .auth-hero-copy h1 {
    font-size: clamp(38px, 4vw, 56px);
  }

  .auth-mini-test-card {
    min-height: 386px;
    gap: 12px;
  }

  .auth-diagnostic-steps span {
    min-height: 42px;
    font-size: 11px;
  }

  .auth-weakness-map,
  .auth-today-plan {
    padding: 15px;
  }

  .auth-weakness-map h2 {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .auth-today-plan strong {
    font-size: 24px;
  }
}

@media (max-width: 760px) {
  .auth-nav-cta {
    max-width: 150px;
    min-height: 44px;
    padding: 0 10px;
    font-size: 11px;
  }

  .auth-hero-copy {
    padding-top: 0;
  }

  .auth-hero-copy h1 {
    font-size: clamp(34px, 9.5vw, 44px);
  }

  .auth-diagnostic-demo,
  .auth-problem-section,
  .auth-report-section,
  .auth-report-card {
    border-radius: 18px;
  }

  .auth-diagnostic-steps {
    grid-template-columns: 1fr;
  }

  .auth-diagnostic-steps span {
    min-height: 42px;
  }

  .auth-pattern-row {
    gap: 7px;
  }

  .auth-pattern-row i,
  .auth-pattern-row strong {
    border-radius: 10px;
  }

  .auth-mini-test-card,
  .auth-weakness-map,
  .auth-today-plan,
  .auth-problem-list article,
  .auth-report-card {
    border-radius: 16px;
  }

  .auth-mini-test-card {
    min-height: 0;
  }

  .auth-problem-list article {
    grid-template-columns: 38px minmax(0, 1fr);
    padding: 16px;
  }

  .auth-report-section {
    padding: 20px;
  }

  .auth-report-actions {
    grid-template-columns: 1fr;
  }

  .auth-value-grid article {
    min-height: 0;
  }
}

/* Bilingual practice language toggle (History & Geography) */
.practice-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid rgba(15, 118, 110, 0.16);
}
.practice-lang-toggle.is-compact {
  padding: 2px;
}
.practice-lang-btn {
  border: 0;
  background: transparent;
  color: #0f766e;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}
.practice-lang-toggle.is-compact .practice-lang-btn {
  font-size: 0.72rem;
  padding: 0.28rem 0.55rem;
}
.practice-lang-btn.is-active {
  background: #0f766e;
  color: #fff;
  box-shadow: 0 1px 2px rgba(15, 118, 110, 0.25);
}
.practice-lang-btn:focus-visible {
  outline: 2px solid #0f766e;
  outline-offset: 2px;
}
.topbar-end {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
}
.practice-topbar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  width: 100%;
}
.practice-topbar-row .practice-progress-chip {
  margin-left: auto;
}
.question-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}
.question-meta .practice-lang-toggle {
  margin-left: auto;
}
.exam-years-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(20, 191, 150, 0.24);
  border-radius: 999px;
  background: rgba(20, 191, 150, 0.09);
  color: #0f766e;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.2;
}
[data-theme="dark"] .exam-years-tag {
  border-color: rgba(94, 234, 212, 0.3);
  background: rgba(20, 184, 166, 0.16);
  color: #99f6e4;
}
@media (max-width: 720px) {
  .practice-shell--question-active {
    grid-template-columns: minmax(0, 1fr);
  }
  .practice-shell--question-active .practice-question-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
  .practice-shell--question-active .practice-back-button {
    width: 100%;
    max-width: none;
  }
  .practice-question-toolbar-end {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 0.4rem;
  }
  .practice-shell--question-active .practice-question-subnav {
    max-height: none;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px;
  }
  .practice-shell--question-active .practice-question-nav-topic {
    flex: 1 0 100%;
  }
  .practice-lang-btn {
    font-size: 0.72rem;
    padding: 0.3rem 0.5rem;
  }
}

/* ========== Auth landing — Khan Academy Kids inspired ========== */
.auth-shell--kids {
  --auth-navy: #1e3a5f;
  --auth-slate: #4b5c76;
  --kids-mint: #e8f7f3;
  --kids-cream: #fff9f0;
  --kids-sky: #eef7ff;
  background:
    radial-gradient(circle at 88% 8%, rgba(125, 211, 192, 0.28), transparent 280px),
    radial-gradient(circle at 8% 42%, rgba(191, 219, 254, 0.35), transparent 320px),
    linear-gradient(180deg, #f4fbf8 0%, #f8fbff 42%, #fffdf8 100%);
}

.auth-shell--kids .auth-nav {
  background: rgba(255, 255, 255, 0.86);
  border-bottom-color: rgba(203, 213, 225, 0.55);
}

.auth-landing--kids {
  width: min(1120px, calc(100% - clamp(24px, 6vw, 96px)));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 5vw, 64px);
  display: grid;
  gap: clamp(48px, 7vw, 88px);
}

.auth-kids-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.auth-kids-copy {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.auth-kids-copy h1,
.auth-kids-copy h2 {
  margin: 0;
  color: var(--auth-navy);
  letter-spacing: 0;
  text-wrap: balance;
}

.auth-kids-copy h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.08;
  font-weight: 900;
}

.auth-kids-copy h1 span {
  color: var(--blue);
}

.auth-kids-copy h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  line-height: 1.15;
  font-weight: 900;
}

.auth-kids-copy > p,
.auth-kids-copy .subtitle {
  margin: 0;
  max-width: 34rem;
  color: var(--auth-slate);
  font-size: clamp(16px, 1.35vw, 18px);
  font-weight: 600;
  line-height: 1.65;
}

.auth-kids-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.auth-kids-proof span {
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(203, 213, 225, 0.75);
  color: #475569;
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.auth-kids-proof strong {
  color: var(--auth-navy);
  font-weight: 900;
}

.auth-kids-visual {
  position: relative;
  min-width: 0;
  display: grid;
  place-items: center;
}

.auth-kids-visual--plain {
  padding: clamp(8px, 2vw, 18px);
}

.auth-polaroid {
  position: relative;
  z-index: 1;
  margin: 0;
  width: min(100%, 420px);
  padding: 14px 14px 42px;
  border-radius: 18px;
  background: #fff;
  box-shadow:
    0 24px 60px rgba(15, 23, 42, 0.1),
    0 0 0 1px rgba(15, 23, 42, 0.04);
  transform: rotate(1.5deg);
}

.auth-polaroid img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  background: #f8fafc;
}

.auth-float {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  font-weight: 900;
  line-height: 1;
  user-select: none;
}

.auth-float--a {
  top: 6%;
  left: 4%;
  color: #5eead4;
  font-size: 42px;
  font-family: Georgia, serif;
  opacity: 0.85;
}

.auth-float--b {
  right: 2%;
  bottom: 18%;
  color: #fb7185;
  font-size: 36px;
  font-family: Georgia, serif;
  opacity: 0.8;
}

.auth-float--dot {
  top: 18%;
  right: 12%;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #2dd4bf;
}

.auth-float--star {
  bottom: 10%;
  left: 8%;
  width: 28px;
  height: 28px;
  background: #fbbf24;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.auth-float--block {
  left: -2%;
  bottom: 28%;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #fb923c;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 16px;
  box-shadow: 4px 4px 0 #fdba74;
}

.auth-float--tri {
  top: 40%;
  right: -4%;
  width: 0;
  height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-bottom: 24px solid #60a5fa;
}

.auth-kids-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
  padding: clamp(8px, 2vw, 12px) 0;
}

.auth-content-library {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(191, 219, 254, 0.9);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(239, 246, 255, 0.96), rgba(255, 255, 255, 0.98) 48%, rgba(236, 253, 245, 0.9)),
    #ffffff;
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.07);
  scroll-margin-top: 92px;
}

.auth-faq {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(22px, 4vw, 52px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.06);
  scroll-margin-top: 92px;
}

.auth-faq-head {
  display: grid;
  align-content: start;
  gap: 10px;
}

.auth-faq-head h2,
.auth-faq-head h3 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  line-height: 1.16;
}

.auth-faq-list {
  display: grid;
  gap: 10px;
}

.auth-faq-item {
  border: 1px solid rgba(203, 213, 225, 0.85);
  border-radius: 16px;
  background: #f8fafc;
  overflow: hidden;
}

.auth-faq-item summary {
  padding: 16px 48px 16px 18px;
  color: var(--auth-navy);
  cursor: pointer;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.5;
}

.auth-faq-item p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--auth-slate);
  font-size: 14px;
  line-height: 1.65;
}

@media (max-width: 760px) {
  .auth-faq {
    grid-template-columns: 1fr;
  }
}

.auth-seo-guide {
  width: 100%;
  padding: clamp(24px, 5vw, 64px);
  border: 1px solid rgba(203, 213, 225, 0.82);
  border-radius: 30px;
  background: #fffdf6;
  color: var(--auth-navy);
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.07);
}

.auth-seo-guide-intro {
  max-width: 820px;
  display: grid;
  gap: 14px;
}

.auth-seo-guide-kicker,
.auth-seo-guide-heading p {
  margin: 0;
  color: #b74f2c;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.45;
  text-transform: uppercase;
}

.auth-seo-guide-intro h2 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(30px, 4.5vw, 50px);
  font-weight: 950;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.auth-seo-guide-intro > p:last-child,
.auth-seo-guide-section > p,
.auth-grade-roadmap p,
.auth-knowledge-list dd,
.auth-sample-question p,
.auth-solution-steps li {
  margin: 0;
  color: #475569;
  font-size: 16px;
  line-height: 1.75;
}

.auth-seo-guide-section {
  padding-top: clamp(30px, 5vw, 54px);
  margin-top: clamp(30px, 5vw, 54px);
  border-top: 1px solid #d9d6ca;
  display: grid;
  gap: 18px;
}

.auth-seo-guide-heading {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.auth-seo-guide-heading > span {
  width: 48px;
  height: 48px;
  border: 2px solid #171716;
  border-radius: 13px 10px 14px 11px;
  background: #f2d88e;
  display: grid;
  place-items: center;
  color: #171716;
  box-shadow: 2px 3px 0 #171716;
  font-size: 14px;
  font-weight: 950;
}

.auth-seo-guide-heading > div {
  display: grid;
  gap: 4px;
}

.auth-seo-guide-heading h3 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 925;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.auth-seo-guide a {
  color: #174ea6;
  font-weight: 800;
  text-underline-offset: 3px;
}

.auth-exam-structure,
.auth-grade-roadmap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.auth-exam-structure > div,
.auth-grade-roadmap > div {
  padding: 20px;
  border: 1.5px solid #cbd5e1;
  border-radius: 18px;
  background: #fff;
}

.auth-exam-structure strong,
.auth-grade-roadmap strong {
  display: block;
  margin-bottom: 8px;
  color: #172554;
  font-size: 17px;
  line-height: 1.45;
}

.auth-exam-structure p {
  margin: 0;
  color: #526176;
  font-size: 15px;
  line-height: 1.65;
}

.auth-grade-roadmap {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.auth-seo-source-note {
  padding: 15px 17px;
  border-left: 4px solid #3b82f6;
  border-radius: 0 14px 14px 0;
  background: #eff6ff;
  font-size: 14px !important;
}

.auth-knowledge-list {
  margin: 0;
  display: grid;
}

.auth-knowledge-list > div {
  padding: 17px 0;
  border-bottom: 1px solid #e2e8f0;
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  gap: 20px;
}

.auth-knowledge-list > div:last-child {
  border-bottom: 0;
}

.auth-knowledge-list dt {
  color: #172554;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.55;
}

.auth-knowledge-list dd {
  margin: 0;
}

.auth-year-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 8px;
}

.auth-year-list a,
.auth-year-list span {
  min-height: 54px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #eef4ff;
  color: #2448b8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.auth-year-list strong {
  font-size: 15px;
  font-weight: 900;
  color: #172554;
}

.auth-year-list .is-empty {
  background: #f3f4f6;
  color: #6b7280;
}

.auth-seo-text-link {
  width: fit-content;
  min-height: 44px;
  padding: 0 16px;
  border: 1.5px solid #174ea6;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.auth-seo-text-link svg {
  width: 18px;
  height: 18px;
}

.auth-sample-question {
  padding: clamp(18px, 3vw, 26px);
  border: 2px solid #171716;
  border-radius: 20px 16px 22px 17px;
  background: #f5e7bd;
  box-shadow: 3px 4px 0 #171716;
  display: grid;
  gap: 12px;
}

.auth-sample-question p {
  color: #252522;
}

.auth-sample-hint {
  padding-top: 12px;
  border-top: 1px dashed rgba(23, 23, 22, 0.45);
}

.auth-solution-steps {
  margin: 0;
  padding-left: 24px;
  display: grid;
  gap: 10px;
}

.auth-evidence-section {
  padding: clamp(22px, 4vw, 34px);
  border: 2px solid #171716;
  border-radius: 22px 18px 24px 19px;
  background: #e2ebe6;
  box-shadow: 3px 4px 0 #171716;
}

.auth-seo-guide-faq {
  margin-top: clamp(30px, 5vw, 54px);
  border-color: #d9d6ca;
  background: #fff;
  box-shadow: none;
}

@media (max-width: 820px) {
  .auth-grade-roadmap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .auth-seo-guide {
    padding: 24px 17px;
    border-radius: 22px;
  }

  .auth-seo-guide-intro h2 {
    font-size: 30px;
  }

  .auth-seo-guide-heading {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 11px;
  }

  .auth-seo-guide-heading > span {
    width: 40px;
    height: 40px;
  }

  .auth-seo-guide-heading h3 {
    font-size: 23px;
  }

  .auth-exam-structure,
  .auth-grade-roadmap {
    grid-template-columns: 1fr;
  }

  .auth-knowledge-list > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .auth-year-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-evidence-section {
    padding: 20px 16px;
  }
}

.auth-content-library-head {
  display: grid;
  gap: 10px;
  max-width: 760px;
}

.auth-content-library-head h2 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
}

.auth-content-library-head > p:last-child {
  margin: 0;
  color: var(--auth-slate);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.65;
}

.auth-content-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.auth-content-stats span {
  min-width: 0;
  min-height: 96px;
  padding: 16px;
  border: 1px solid rgba(203, 213, 225, 0.78);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  display: grid;
  align-content: center;
  gap: 3px;
}

.auth-content-stats strong {
  color: var(--blue);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 950;
  line-height: 1.1;
}

.auth-content-stats small {
  color: #526176;
  font-size: 13px;
  font-weight: 800;
}

.auth-content-catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.auth-content-catalog article {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: 20px;
  background: #ffffff;
}

.auth-content-catalog h3,
.auth-content-catalog p {
  margin: 0;
}

.auth-content-catalog h3 {
  color: var(--auth-navy);
  font-size: 18px;
  font-weight: 900;
}

.auth-content-catalog p {
  margin-top: 4px;
  color: #64748b;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.auth-content-catalog nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.auth-content-catalog a {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  background: #f8fbff;
  color: #1d4ed8;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
}

.auth-content-catalog a:hover,
.auth-content-catalog a:focus-visible {
  border-color: #93c5fd;
  background: #eff6ff;
  outline: none;
}

.auth-content-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.auth-content-path li {
  min-width: 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-radius: 16px;
  background: rgba(232, 247, 243, 0.72);
}

.auth-content-path li > strong {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #0f766e;
  color: #ffffff;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 900;
}

.auth-content-path span,
.auth-content-path b,
.auth-content-path small {
  min-width: 0;
  display: block;
}

.auth-content-path b {
  color: #134e4a;
  font-size: 13px;
  font-weight: 900;
}

.auth-content-path small {
  margin-top: 2px;
  color: #52706d;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.4;
}

.auth-kids-band--friends {
  direction: ltr;
}

.auth-band-art {
  width: min(100%, 420px);
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 24px;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(15, 23, 42, 0.08));
}

.auth-band-art--wide {
  width: min(100%, 480px);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.55);
  padding: 8px;
}

.auth-kids-bullets {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.auth-kids-bullets li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--auth-slate);
  font-size: 15px;
  font-weight: 750;
  line-height: 1.45;
}

.auth-kids-bullets svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: #16a34a;
  stroke-width: 2.6;
}

.auth-kids-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auth-kids-steps span {
  min-height: 42px;
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(203, 213, 225, 0.8);
  color: #475569;
  font-size: 14px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.auth-kids-steps strong {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  display: inline-grid;
  place-items: center;
  font-size: 13px;
}

.auth-kids-demo,
.auth-kids-subjects {
  display: grid;
  gap: 18px;
  justify-items: center;
  text-align: center;
}

.auth-section-head--kids {
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  gap: 8px;
}

.auth-section-head--kids h2 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.15;
}

.auth-section-head--kids p {
  margin: 0;
  color: var(--auth-slate);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
}

.auth-mini-test-card--kids {
  width: min(100%, 560px);
  text-align: left;
  border-radius: 24px;
  border: 1px solid rgba(203, 213, 225, 0.75);
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.08);
  background: #fff;
}

.auth-mini-test-card--kids h3 {
  margin: 0 0 12px;
  color: var(--auth-navy);
  font-size: 22px;
  line-height: 1.25;
}

.auth-kids-subject-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.auth-kids-subject-row span {
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(203, 213, 225, 0.85);
  color: var(--auth-navy);
  font-size: 14px;
  font-weight: 850;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.auth-subject-menu {
  display: grid;
  gap: clamp(24px, 3.5vw, 38px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid #dbe5f2;
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(244, 251, 248, 0.94)),
    #ffffff;
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.07);
  scroll-margin-top: 94px;
}

.auth-subject-menu-head {
  max-width: 760px;
  display: grid;
  gap: 10px;
}

.auth-subject-menu-head .auth-hero-badge {
  justify-self: start;
  margin: 0;
}

.auth-subject-menu-head h2 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.auth-subject-menu-head > p:last-child {
  margin: 0;
  max-width: 680px;
  color: var(--auth-slate);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.65;
}

.auth-subject-menu-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auth-subject-menu-nav a {
  min-height: 44px;
  padding: 9px 15px;
  border: 1px solid #cbd8e8;
  border-radius: 999px;
  background: #ffffff;
  color: #334a68;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 850;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.auth-subject-menu-nav a:hover,
.auth-subject-menu-nav a:focus-visible {
  border-color: #8da8cf;
  background: #f3f7ff;
  color: var(--blue);
  outline: none;
}

.auth-subject-groups {
  display: grid;
  gap: clamp(34px, 5vw, 54px);
}

.auth-subject-group {
  display: grid;
  gap: 20px;
  scroll-margin-top: 104px;
}

.auth-subject-group + .auth-subject-group {
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid #e2e8f0;
}

.auth-subject-group-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.auth-subject-group-number {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: #eaf1ff;
  color: #3157d5;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 950;
}

.auth-subject-group-head > div {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.auth-subject-group-eyebrow {
  color: #62728a;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.auth-subject-group-head h3 {
  margin: 0;
  color: var(--auth-navy);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.2;
}

.auth-subject-group-head p {
  margin: 0;
  max-width: 720px;
  color: #62728a;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.auth-subject-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.auth-subject-card {
  min-width: 0;
  min-height: 250px;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--subject-accent), #ffffff 74%);
  border-top: 4px solid var(--subject-accent);
  border-radius: 20px;
  background: #ffffff;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 14px;
  text-align: left;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.05);
}

.auth-subject-card-title {
  min-width: 0;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.auth-subject-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--subject-soft);
  color: var(--subject-accent);
  display: grid;
  place-items: center;
}

.auth-subject-card-icon svg {
  width: 23px;
  height: 23px;
  stroke-width: 2.15;
}

.auth-subject-card h4 {
  min-width: 0;
  margin: 0;
  color: #203552;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
}

.auth-subject-intro {
  margin: 0;
  color: #5f6f86;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.6;
}

.auth-subject-outcome {
  align-self: end;
  padding: 13px;
  border-radius: 14px;
  background: var(--subject-soft);
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
}

.auth-subject-outcome > span {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--subject-accent);
  color: #ffffff;
  display: grid;
  place-items: center;
}

.auth-subject-outcome svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.8;
}

.auth-subject-outcome p {
  margin: 0;
  color: #43546b;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.55;
}

.auth-subject-outcome strong {
  color: #273d59;
  font-weight: 900;
}

.auth-subject-menu-action {
  padding: 18px 20px;
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  background: #eff6ff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.auth-subject-menu-action > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.auth-subject-menu-action strong {
  color: #1e3a5f;
  font-size: 16px;
  font-weight: 900;
}

.auth-subject-menu-action span {
  color: #586b84;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.auth-subject-enter {
  flex: 0 0 auto;
  min-width: 138px;
}

.auth-subject-enter svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 900px) {
  .auth-subject-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .auth-subject-menu {
    gap: 24px;
    padding: 20px 16px;
    border-radius: 22px;
  }

  .auth-subject-menu-head h2 {
    font-size: 29px;
  }

  .auth-subject-menu-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-inline: -16px;
    padding: 0 16px 6px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .auth-subject-menu-nav::-webkit-scrollbar {
    display: none;
  }

  .auth-subject-menu-nav a {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .auth-subject-group-head {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .auth-subject-group-number {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .auth-subject-grid {
    grid-template-columns: 1fr;
  }

  .auth-subject-card {
    min-height: 0;
    padding: 18px;
  }

  .auth-subject-menu-action {
    align-items: stretch;
    flex-direction: column;
    padding: 16px;
  }

  .auth-subject-enter {
    width: 100%;
  }
}

.auth-signup-section--kids {
  border-radius: 28px;
  border: 1px solid rgba(203, 213, 225, 0.7);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(236, 253, 245, 0.75)),
    #fff;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.07);
  padding: clamp(20px, 3vw, 32px);
  scroll-margin-top: 96px;
}

.auth-final-cta--kids {
  border-radius: 24px;
  background: linear-gradient(135deg, #ecfeff 0%, #eff6ff 55%, #fff7ed 100%);
  border: 1px solid rgba(191, 219, 254, 0.8);
}

@media (max-width: 900px) {
  .auth-kids-hero,
  .auth-kids-band {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .auth-kids-band--friends .auth-kids-visual {
    order: -1;
  }

  .auth-polaroid {
    width: min(100%, 360px);
    transform: none;
  }

  .auth-float {
    display: none;
  }

  .auth-landing--kids {
    gap: 44px;
  }

  .auth-content-stats,
  .auth-content-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .auth-kids-copy h1 {
    font-size: clamp(30px, 8vw, 38px);
  }

  .auth-kids-proof span {
    width: 100%;
    justify-content: flex-start;
  }

  .auth-content-library {
    gap: 18px;
    padding: 20px 16px;
    border-radius: 22px;
  }

  .auth-content-library-head h2 {
    font-size: 28px;
  }

  .auth-content-stats,
  .auth-content-catalog,
  .auth-content-path {
    grid-template-columns: 1fr;
  }

  .auth-content-stats span {
    min-height: 78px;
  }

  .auth-content-catalog article {
    padding: 16px;
  }
}

/* Hero: sell the parent dream */
.auth-kids-dream-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 6px;
  margin: 2px 0 4px;
}

.auth-kids-dream-path > span:not(.auth-kids-dream-arrow) {
  min-height: 40px;
  padding: 8px 12px 8px 8px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(191, 219, 254, 0.95);
  color: #334155;
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 22px rgba(24, 101, 242, 0.06);
}

.auth-kids-dream-path strong {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #1865f2, #0ea5e9);
  color: #fff;
  display: inline-grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
}

.auth-kids-dream-arrow {
  color: #94a3b8;
  font-size: 16px;
  font-weight: 900;
  padding: 0 2px;
}

.auth-polaroid--dream {
  transform: rotate(-1deg);
}

.auth-kids-hero .auth-kids-copy h1 {
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1.14;
  max-width: 22ch;
}

.auth-kids-hero .auth-kids-copy .subtitle {
  max-width: 38rem;
}

@media (max-width: 900px) {
  .auth-kids-hero .auth-kids-copy h1 {
    max-width: none;
  }

  .auth-kids-dream-arrow {
    display: none;
  }

  .auth-kids-dream-path > span:not(.auth-kids-dream-arrow) {
    width: 100%;
  }
}

/* Homepage page 1 — requirement/goi-y-chinh-sua-homepage-luyen-thi-tdn.md */
.auth-kids-hero--page1 {
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: clamp(28px, 4.5vw, 52px);
  align-items: center;
}

.auth-kids-headline {
  margin: 0;
  max-width: 14em !important;
  color: var(--auth-navy);
  font-size: clamp(32px, 4.2vw, 48px) !important;
  line-height: 1.12 !important;
  font-weight: 900;
  letter-spacing: 0;
  text-wrap: balance;
}

.auth-kids-headline span {
  color: var(--blue);
  background: none;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
}

.auth-kids-headline-break {
  display: block;
}

.auth-kids-trust {
  margin: 2px 0 0;
  color: #64748b;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.auth-kids-visual--hero-art {
  width: 100%;
}

.auth-hero-figure {
  margin: 0;
  width: 100%;
  max-width: 560px;
  justify-self: end;
  display: grid;
  gap: 12px;
}

.auth-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border-radius: 28px;
  background: #e8f1fb;
  box-shadow:
    0 28px 70px rgba(15, 23, 42, 0.12),
    0 0 0 1px rgba(15, 23, 42, 0.04);
}

.auth-hero-figure figcaption {
  margin: 0;
  text-align: center;
  color: #64748b;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.auth-kids-hero--page1 .auth-kids-dream-path {
  margin-top: 6px;
}

.auth-kids-hero--page1 .auth-kids-dream-path > span:not(.auth-kids-dream-arrow) {
  border-color: rgba(203, 213, 225, 0.9);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

@media (max-width: 900px) {
  .auth-kids-hero--page1 {
    grid-template-columns: 1fr;
  }

  .auth-kids-headline {
    max-width: none !important;
  }

  .auth-hero-figure {
    max-width: 100%;
    justify-self: center;
  }

  .auth-kids-headline-break {
    display: none;
  }
}

/* Scholarship / top US universities section */
.auth-uni-section {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  padding: clamp(8px, 1.5vw, 12px) 0;
}

.auth-uni-copy {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  display: grid;
  gap: 12px;
  justify-items: center;
}

.auth-uni-copy .auth-hero-badge {
  margin: 0;
}

.auth-uni-copy h2 {
  margin: 0;
  color: var(--auth-navy, #1e3a5f);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  line-height: 1.25;
  text-wrap: balance;
}

.auth-uni-copy h2 span {
  color: var(--blue);
}

.auth-uni-copy p {
  margin: 0;
  max-width: 40rem;
  color: var(--auth-slate, #4b5c76);
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 600;
  line-height: 1.6;
}

.auth-uni-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.auth-uni-card {
  margin: 0;
  min-width: 0;
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(203, 213, 225, 0.85);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.07);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.auth-uni-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px rgba(15, 23, 42, 0.1);
}

.auth-uni-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 140px;
  max-height: 180px;
  object-fit: cover;
  object-position: center;
  background: #e8eef7;
}

.auth-uni-card figcaption {
  display: grid;
  gap: 2px;
  padding: 12px 14px 14px;
  text-align: left;
}

.auth-uni-card strong {
  color: var(--auth-navy, #1e3a5f);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.2;
}

.auth-uni-card span {
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .auth-uni-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-uni-card img {
    max-height: 160px;
  }
}

@media (max-width: 520px) {
  .auth-uni-grid {
    grid-template-columns: 1fr;
  }

  .auth-uni-card img {
    max-height: 200px;
  }
}

/* Hero without right illustration */
.auth-kids-hero--page1:not(:has(.auth-kids-visual)) {
  grid-template-columns: minmax(0, 1fr);
  max-width: 720px;
}

.auth-kids-hero--page1:not(:has(.auth-kids-visual)) .auth-kids-headline {
  max-width: 18em !important;
}

.auth-demo-cards {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.auth-demo-cards .auth-mini-test-card--kids {
  width: 100%;
  max-width: none;
}

.auth-answer-list--text {
  display: grid;
  gap: 8px;
}

.auth-answer-list--text span {
  justify-content: flex-start;
  min-height: 44px;
  padding: 10px 14px;
}

@media (max-width: 800px) {
  .auth-demo-cards {
    grid-template-columns: 1fr;
  }
}

/* Subject learning journey — one illustrated entry card, then a calm mastery path. */
.subject-hero--practice {
  min-height: 272px;
  padding: clamp(24px, 3vw, 36px);
  border-color: color-mix(in srgb, var(--subject), #ffffff 58%);
  border-radius: 24px;
  box-shadow:
    0 20px 48px color-mix(in srgb, var(--subject), transparent 88%),
    inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

.subject-hero--art {
  isolation: isolate;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 34%);
}

.subject-hero--art::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: var(--subject-hero-art);
  background-repeat: no-repeat;
  background-position: right center;
  background-size: cover;
  opacity: 0.72;
}

.subject-hero--art::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(
    94deg,
    color-mix(in srgb, var(--subject-soft), #ffffff 10%) 0%,
    color-mix(in srgb, var(--subject-soft), #ffffff 18%) 34%,
    rgba(255, 255, 255, 0.9) 58%,
    rgba(255, 255, 255, 0.34) 100%
  );
}

.subject-hero--art .subject-hero-main {
  position: relative;
  z-index: 1;
}

.subject-hero--practice .subject-hero-main {
  grid-template-columns: 68px minmax(320px, 1fr) minmax(300px, 360px);
  gap: clamp(20px, 2.5vw, 32px);
}

.subject-hero--practice .subject-hero-copy {
  max-width: 720px;
}

.subject-hero--practice .subject-hero-badge {
  min-height: 30px;
  padding-inline: 13px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 64%),
    0 4px 14px rgba(30, 41, 59, 0.06);
}

.subject-hero--practice h1 {
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.12;
}

.subject-hero--practice .subtitle {
  max-width: 58ch;
  color: #405069;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.6;
}

.subject-hero--practice .subject-hero-steps .subject-step-item {
  min-height: 38px;
}

.practice-detail-layout .detail-panel {
  border-color: #dde5ef;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 44px rgba(30, 41, 59, 0.065);
}

.practice-detail-layout .detail-panel-header {
  align-items: center;
  padding: 24px 28px;
  border-bottom-color: #e7ecf3;
  background: #ffffff;
}

.practice-detail-layout .detail-panel-header .section-title {
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.25;
  text-wrap: balance;
}

.practice-detail-layout .detail-panel-header .section-subtitle {
  max-width: 64ch;
  margin-top: 7px;
  color: #5b687c;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.practice-detail-layout .practice-path-mini {
  gap: 6px;
  padding: 6px;
  background: #f7f9fc;
  box-shadow: inset 0 0 0 1px #e2e8f0;
}

.practice-detail-layout .practice-path-mini span {
  position: relative;
  gap: 7px;
  padding-inline: 10px;
  background: transparent;
  color: #64748b;
}

.practice-detail-layout .practice-path-mini span::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #cbd5e1;
}

.practice-detail-layout .practice-path-mini .is-current {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 35%);
  color: var(--subject);
}

.practice-detail-layout .practice-path-mini .is-current::before {
  background: var(--subject);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--subject), transparent 84%);
}

.practice-detail-layout .practice-path-mini .is-done {
  color: #15803d;
}

.practice-detail-layout .practice-path-mini .is-done::before {
  background: #22a447;
}

.practice-detail-layout .topic-list-stage {
  padding: 20px 24px 26px;
  background: #fbfcfe;
}

.practice-detail-layout .practice-set {
  margin-bottom: 22px;
  padding: 16px;
  gap: 18px;
  border: 1px solid #e3e9f1;
  border-radius: 22px;
  background: #f7f9fc;
  box-shadow: none;
}

.practice-detail-layout .practice-set.is-journey {
  background: #f7f9fc;
}

.practice-detail-layout .practice-set-header {
  padding: 16px 18px;
  border-color: #e1e7ef;
  border-radius: 17px;
  background: #ffffff;
  box-shadow: 0 6px 18px rgba(30, 41, 59, 0.04);
}

.practice-detail-layout .practice-set-header-top h3 {
  font-size: clamp(19px, 2vw, 23px);
}

.practice-detail-layout .practice-set-progress-inline {
  gap: 10px 14px;
}

.practice-detail-layout .practice-journey {
  padding: 2px 2px 0 0;
}

.practice-detail-layout .practice-journey-stop {
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px 14px;
  padding-bottom: 16px;
}

.practice-detail-layout .practice-journey-rail {
  width: 48px;
  padding-top: 17px;
}

.practice-detail-layout .practice-journey-marker {
  width: 38px;
  height: 38px;
  border: 2px solid color-mix(in srgb, var(--subject), #ffffff 48%);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--subject), transparent 84%);
}

.practice-detail-layout .practice-journey-stop.is-current .practice-journey-marker,
.practice-detail-layout .practice-journey-stop.is-recommended .practice-journey-marker {
  width: 42px;
  height: 42px;
  background: var(--subject);
  color: #ffffff;
  border-color: #ffffff;
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--subject), transparent 82%),
    0 10px 22px color-mix(in srgb, var(--subject), transparent 68%);
}

.practice-detail-layout .practice-journey-marker.is-complete {
  border-color: #ffffff;
}

.practice-detail-layout .practice-journey-line {
  width: 3px;
  min-height: 32px;
  margin-top: 5px;
  background: color-mix(in srgb, var(--subject), #ffffff 68%);
}

.practice-detail-layout .practice-journey-line.is-complete {
  background: #22a447;
}

.practice-detail-layout .practice-journey-stop > .topic-card-stack {
  min-height: 124px;
  padding: 17px 19px;
  border-color: #dfe6ef;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 7px 20px rgba(30, 41, 59, 0.05);
}

.practice-detail-layout .practice-journey-stop:hover > .topic-card-stack,
.practice-detail-layout .practice-journey-stop:focus-visible > .topic-card-stack {
  border-color: color-mix(in srgb, var(--subject), #ffffff 44%);
  box-shadow: 0 12px 26px color-mix(in srgb, var(--subject), transparent 88%);
}

.practice-detail-layout .practice-journey-stop.is-current > .topic-card-stack,
.practice-detail-layout .practice-journey-stop.is-recommended > .topic-card-stack {
  border-color: color-mix(in srgb, var(--subject), #ffffff 40%);
  box-shadow:
    inset 4px 0 0 var(--subject),
    0 12px 28px color-mix(in srgb, var(--subject), transparent 86%);
}

.practice-detail-layout .practice-journey-stop.is-complete > .topic-card-stack {
  background: #ffffff;
  box-shadow:
    inset 4px 0 0 #22a447,
    0 8px 22px rgba(22, 163, 74, 0.07);
}

.practice-detail-layout .topic-summary-head {
  min-height: 30px;
}

.practice-detail-layout .topic-name {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.38;
}

.practice-detail-layout .topic-progress-block {
  background: #f6f8fb;
  box-shadow: inset 0 0 0 1px #e2e8f0;
}

.practice-detail-layout .topic-insight-btn {
  width: 36px;
  height: 36px;
}

@media (max-width: 980px) {
  .subject-hero--practice .subject-hero-main {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .subject-hero--practice .subject-hero-stats {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .subject-hero--practice .subject-start-button {
    grid-column: 1 / -1;
  }

  .practice-detail-layout .detail-panel-header {
    align-items: start;
  }
}

@media (max-width: 720px) {
  .subject-hero--practice {
    min-height: 0;
    padding: 20px 18px;
    border-radius: 20px;
  }

  .subject-hero--art::before {
    background-position: 64% top;
    opacity: 0.38;
  }

  .subject-hero--art::after {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.52) 0%,
      color-mix(in srgb, var(--subject-soft), #ffffff 8%) 42%,
      rgba(255, 255, 255, 0.97) 100%
    );
  }

  .subject-hero--practice .subject-hero-main {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 14px;
  }

  .subject-hero--practice .subject-hero-main > .icon-box {
    display: none;
  }

  .subject-hero--practice .subject-hero-copy {
    gap: 8px;
  }

  .subject-hero--practice h1 {
    font-size: clamp(27px, 9vw, 35px);
  }

  .subject-hero--practice .subtitle {
    display: block;
    overflow: visible;
    -webkit-line-clamp: unset;
  }

  .subject-hero--practice .subject-hero-stats {
    grid-column: auto;
  }

  .subject-hero--practice .subject-hero-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .subject-hero--practice .subject-hero-steps .subject-step-item {
    min-width: 0;
    min-height: 40px;
    padding: 6px 4px;
    border-radius: 12px;
    justify-content: center;
    text-align: center;
    font-size: 11px;
    line-height: 1.25;
    gap: 4px;
  }

  .subject-hero--practice .subject-hero-steps .subject-step-arrow {
    display: none;
  }

  .subject-hero--practice .subject-hero-steps strong {
    width: 20px;
    height: 20px;
    font-size: 11px;
    flex: 0 0 20px;
  }

  .subject-hero--practice .subject-hero-stats {
    width: 100%;
    grid-column: auto;
  }

  .subject-hero--practice .subject-hero-progress-box {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
    padding: 10px 12px;
  }

  .subject-hero--practice .subject-start-button {
    width: 100%;
    min-height: 48px;
  }

  .practice-detail-layout .detail-panel {
    border-radius: 20px;
  }

  .practice-detail-layout .detail-panel-header {
    gap: 16px;
    padding: 20px 18px;
  }

  .practice-detail-layout .practice-path-mini {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .practice-detail-layout .practice-path-mini span {
    min-height: 38px;
    padding-inline: 6px;
    justify-content: center;
    font-size: 10px;
  }

  .practice-detail-layout .topic-list-stage {
    padding: 14px 10px 18px;
  }

  .practice-detail-layout .practice-set {
    padding: 11px;
    border-radius: 18px;
  }

  .practice-detail-layout .practice-set-header {
    padding: 14px;
  }

  .practice-detail-layout .practice-set-progress-inline {
    grid-template-columns: auto minmax(80px, 1fr) auto;
  }

  .practice-detail-layout .practice-set-accuracy-inline {
    grid-column: 1 / -1;
    justify-self: stretch;
  }

  .practice-detail-layout .practice-journey-stop {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 8px;
    padding-bottom: 13px;
  }

  .practice-detail-layout .practice-journey-rail {
    width: 36px;
    padding-top: 14px;
  }

  .practice-detail-layout .practice-journey-marker,
  .practice-detail-layout .practice-journey-stop.is-current .practice-journey-marker,
  .practice-detail-layout .practice-journey-stop.is-recommended .practice-journey-marker {
    width: 32px;
    height: 32px;
  }

  .practice-detail-layout .practice-journey-stop > .topic-card-stack {
    min-height: 0;
    padding: 14px;
    border-radius: 16px;
  }

  .practice-detail-layout .topic-summary-head {
    min-height: 0;
  }
}

/* Expedition map: landmarks within a set and gates between sets. */
.practice-detail-layout .topic-list-stage {
  background-color: #f7f9fd;
  background-image:
    radial-gradient(circle at 18px 18px, color-mix(in srgb, var(--subject), transparent 94%) 1.5px, transparent 1.6px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), transparent 220px);
  background-size: 36px 36px, 100% 100%;
}

.practice-detail-layout .practice-set {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(16px, 2vw, 24px);
  border-color: color-mix(in srgb, var(--subject), #ffffff 78%);
  background: rgba(255, 255, 255, 0.76);
  box-shadow:
    0 16px 38px rgba(30, 41, 59, 0.055),
    inset 0 1px 0 rgba(255, 255, 255, 0.94);
}

.practice-detail-layout .practice-set::before,
.practice-detail-layout .practice-set::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 150px;
  height: 150px;
  border: 1px dashed color-mix(in srgb, var(--subject), transparent 88%);
  border-radius: 999px;
  pointer-events: none;
}

.practice-detail-layout .practice-set::before {
  top: -88px;
  right: -44px;
}

.practice-detail-layout .practice-set::after {
  bottom: -108px;
  left: -58px;
}

.practice-detail-layout .practice-set-header {
  position: relative;
  z-index: 2;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 17px 18px;
  border-color: color-mix(in srgb, var(--subject), #ffffff 66%);
  background: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 10px 24px color-mix(in srgb, var(--subject), transparent 92%),
    inset 0 1px 0 #ffffff;
}

.practice-detail-layout .practice-set-header--integrated {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
}

.practice-set-landmark {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  border: 3px solid #ffffff;
  border-radius: 18px;
  display: inline-grid;
  place-items: center;
  background: var(--subject);
  color: #ffffff;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--subject), transparent 72%),
    0 10px 20px color-mix(in srgb, var(--subject), transparent 76%);
  transform: rotate(-3deg);
}

.practice-set-landmark svg {
  width: 27px;
  height: 27px;
  stroke-width: 2.2;
}

.practice-set-landmark.is-complete {
  background: #16a34a;
  box-shadow:
    0 0 0 2px rgba(22, 163, 74, 0.2),
    0 10px 20px rgba(22, 163, 74, 0.2);
}

.practice-set-landmark.is-ready {
  background: color-mix(in srgb, var(--subject), #ffffff 12%);
}

.practice-set-landmark.is-locked {
  background: #e7ebf1;
  color: #7b8798;
  box-shadow: 0 0 0 2px #eef2f7;
  transform: none;
}

.practice-detail-layout .practice-set-header-main {
  min-width: 0;
}

.practice-detail-layout .practice-set-header.is-complete {
  border-color: #bbebc8;
}

.practice-detail-layout .practice-set-header.is-complete .practice-set-badge {
  background: #16a34a;
  border-color: #86efac;
}

.practice-expedition-divider {
  position: relative;
  display: grid;
  justify-items: center;
  margin: 2px 0;
  padding: 0 14px;
}

.practice-expedition-route {
  width: 4px;
  height: 30px;
  border-radius: 999px;
  background: repeating-linear-gradient(
    180deg,
    color-mix(in srgb, var(--subject), #ffffff 46%) 0 7px,
    transparent 7px 12px
  );
}

.practice-expedition-gate {
  width: min(720px, 100%);
  min-height: 78px;
  padding: 12px 14px;
  border: 2px solid color-mix(in srgb, var(--subject), #ffffff 48%);
  border-radius: 22px;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) auto;
  gap: 13px;
  align-items: center;
  background: #ffffff;
  box-shadow:
    0 14px 30px color-mix(in srgb, var(--subject), transparent 88%),
    inset 0 0 0 5px color-mix(in srgb, var(--subject-soft), #ffffff 48%);
}

.practice-expedition-gate-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-grid;
  place-items: center;
  background: var(--subject);
  color: #ffffff;
  box-shadow: 0 9px 18px color-mix(in srgb, var(--subject), transparent 76%);
}

.practice-expedition-gate-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 2.2;
}

.practice-expedition-gate-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.practice-expedition-gate-copy small {
  color: var(--subject);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.045em;
  line-height: 1.2;
  text-transform: uppercase;
}

.practice-expedition-gate-copy strong {
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.practice-expedition-gate-state {
  min-height: 34px;
  padding: 0 13px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 28%);
  color: var(--subject);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.practice-expedition-divider.is-locked .practice-expedition-route {
  background: repeating-linear-gradient(180deg, #cbd5e1 0 7px, transparent 7px 12px);
}

.practice-expedition-divider.is-locked .practice-expedition-gate {
  border-style: dashed;
  border-color: #cbd5e1;
  box-shadow: inset 0 0 0 5px #f5f7fa;
}

.practice-expedition-divider.is-locked .practice-expedition-gate-icon {
  background: #e7ebf1;
  color: #7b8798;
  box-shadow: none;
}

.practice-expedition-divider.is-locked .practice-expedition-gate-copy small,
.practice-expedition-divider.is-locked .practice-expedition-gate-state {
  color: #64748b;
}

.practice-expedition-divider.is-locked .practice-expedition-gate-state {
  background: #eef2f7;
}

.practice-detail-layout .practice-set-locked {
  border-style: dashed;
  border-color: #cbd5e1;
  background: rgba(248, 250, 252, 0.82);
  box-shadow: none;
}

@media (min-width: 1120px) {
  .practice-detail-layout .practice-set.is-journey .practice-journey {
    position: relative;
    display: grid;
    gap: 0;
    padding: 18px 4px 2px;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop {
    position: relative;
    grid-template-columns: minmax(0, 1fr) 78px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 18px;
    row-gap: 10px;
    min-height: 172px;
    padding: 0 0 18px;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop > .practice-journey-rail {
    position: relative;
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: center;
    width: 78px;
    padding-top: 18px;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop > .practice-journey-rail::after {
    content: "";
    position: absolute;
    top: 38px;
    width: 42px;
    border-top: 3px solid color-mix(in srgb, var(--subject), #ffffff 58%);
    pointer-events: none;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(odd) > .practice-journey-rail::after {
    right: calc(50% + 16px);
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(even) > .practice-journey-rail::after {
    left: calc(50% + 16px);
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop.is-complete > .practice-journey-rail::after {
    border-color: #22a447;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop.is-sequence-locked > .practice-journey-rail::after,
  .practice-detail-layout .practice-set.is-journey .practice-journey-stop.is-vip-locked > .practice-journey-rail::after {
    border-color: #cbd5e1;
    border-top-style: dashed;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(odd) > .topic-card-stack,
  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(odd):not(.is-expanded) > .topic-card-cta {
    grid-column: 1;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(even) > .topic-card-stack,
  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(even):not(.is-expanded) > .topic-card-cta {
    grid-column: 3;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop > .topic-card-stack {
    grid-row: 1;
    align-self: start;
    min-height: 150px;
    padding: 17px 18px;
    border-radius: 20px;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop > .topic-card-cta {
    grid-row: 2;
    align-self: start;
    width: 100%;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(odd) > .topic-card-stack {
    border-top-right-radius: 8px;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:nth-child(even) > .topic-card-stack {
    border-top-left-radius: 8px;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop:last-child {
    min-height: 150px;
    padding-bottom: 0;
  }

  .practice-detail-layout .practice-set.is-journey .practice-journey-stop .topic-card-cta .topic-retry-button,
  .practice-detail-layout .practice-set.is-journey .practice-journey-stop .topic-card-cta .topic-start-button {
    width: 100%;
    min-height: 46px;
    border-radius: 15px;
  }
}

@media (max-width: 860px) {
  .practice-detail-layout .practice-set-header,
  .practice-detail-layout .practice-set-header--integrated {
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 12px;
  }

  .practice-set-landmark {
    width: 46px;
    height: 46px;
    border-radius: 15px;
  }

  .practice-set-landmark svg {
    width: 22px;
    height: 22px;
  }

  .practice-detail-layout .practice-set-header .practice-set-status-chip {
    grid-column: 1 / -1;
    width: 100%;
  }

  .practice-expedition-gate {
    grid-template-columns: 44px minmax(0, 1fr);
    border-radius: 18px;
  }

  .practice-expedition-gate-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
  }

  .practice-expedition-gate-state {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 520px) {
  .practice-detail-layout .practice-set {
    padding: 10px;
  }

  .practice-detail-layout .practice-set-header,
  .practice-detail-layout .practice-set-header--integrated {
    padding: 13px;
  }

  .practice-expedition-divider {
    padding-inline: 4px;
  }

  .practice-expedition-gate {
    padding: 11px;
  }

  .practice-expedition-gate-copy strong {
    font-size: 15px;
  }
}

/* Illustrated subject maps — shared by every learning subject except the standalone KET/MOVER worlds. */
.practice-detail-layout .practice-set.is-expedition-map {
  min-height: 460px;
  padding: clamp(18px, 2.4vw, 30px);
  border: 3px solid color-mix(in srgb, var(--subject), #ffffff 62%);
  border-radius: 32px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--subject-soft), #ffffff 18%) 0%, rgba(255, 255, 255, 0.72) 100%),
    var(--subject-soft);
  box-shadow:
    0 22px 52px color-mix(in srgb, var(--subject), transparent 85%),
    inset 0 0 0 7px rgba(255, 255, 255, 0.55);
}

.practice-detail-layout .practice-set.is-expedition-map::before {
  inset: 0;
  width: auto;
  height: auto;
  border: 0;
  border-radius: inherit;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.38) 100%),
    var(--expedition-art);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.76;
}

.practice-detail-layout .practice-set.is-expedition-map::after {
  inset: 0;
  width: auto;
  height: auto;
  border: 0;
  border-radius: inherit;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.72) 0 4px, transparent 5px),
    radial-gradient(circle at 88% 28%, color-mix(in srgb, var(--subject), transparent 76%) 0 3px, transparent 4px),
    radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--subject), transparent 82%) 0 3px, transparent 4px);
  background-size: 76px 76px, 112px 112px, 96px 96px;
  opacity: 0.55;
}

.practice-detail-layout .practice-set.is-expedition-map[data-expedition-set="2"]::before,
.practice-detail-layout .practice-set.is-expedition-map[data-expedition-set="4"]::before,
.practice-detail-layout .practice-set.is-expedition-map[data-expedition-set="6"]::before,
.practice-detail-layout .practice-set.is-expedition-map[data-expedition-set="8"]::before {
  background-position: 72% center;
  transform: scaleX(-1);
}

.practice-detail-layout .practice-set.is-expedition-map > * {
  position: relative;
  z-index: 1;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-header {
  width: min(820px, 92%);
  margin-inline: auto;
  border-width: 2px;
  border-color: color-mix(in srgb, var(--subject), #ffffff 48%);
  background: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 14px 30px color-mix(in srgb, var(--subject), transparent 86%),
    inset 0 0 0 4px color-mix(in srgb, var(--subject-soft), #ffffff 35%);
  backdrop-filter: blur(12px);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-landmark {
  border-radius: 50% 45% 52% 46%;
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.9),
    0 12px 24px color-mix(in srgb, var(--subject), transparent 66%);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey {
  margin-top: 10px;
  padding-top: 28px;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker {
  width: 54px;
  height: 54px;
  border: 4px solid #ffffff;
  border-radius: 50% 46% 52% 48%;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 24%);
  color: var(--subject);
  font-size: 16px;
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--subject), transparent 68%),
    0 13px 22px rgba(44, 52, 70, 0.2);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker.is-progress,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-current .practice-journey-marker {
  background: var(--subject);
  color: #ffffff;
  box-shadow:
    0 0 0 5px color-mix(in srgb, var(--subject), transparent 72%),
    0 14px 28px color-mix(in srgb, var(--subject), transparent 58%);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-current .practice-journey-marker::after,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-recommended .practice-journey-marker::after {
  content: "";
  position: absolute;
  top: -16px;
  right: -5px;
  width: 18px;
  height: 22px;
  background: #f7b731;
  clip-path: polygon(0 0, 100% 20%, 58% 52%, 100% 76%, 0 66%);
  filter: drop-shadow(0 3px 2px rgba(67, 45, 10, 0.2));
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker.is-complete {
  background: #16a34a;
  color: #ffffff;
  box-shadow:
    0 0 0 5px rgba(22, 163, 74, 0.18),
    0 13px 24px rgba(22, 163, 74, 0.26);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker.is-locked {
  border-color: rgba(255, 255, 255, 0.86);
  background: #e7ebf1;
  color: #7b8798;
  box-shadow:
    0 0 0 4px rgba(203, 213, 225, 0.68),
    0 10px 18px rgba(71, 85, 105, 0.12);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-line {
  width: 7px;
  border: 2px solid rgba(255, 255, 255, 0.82);
  background: repeating-linear-gradient(
    180deg,
    color-mix(in srgb, var(--subject), #ffffff 38%) 0 10px,
    rgba(255, 255, 255, 0.56) 10px 17px
  );
  box-shadow: 0 5px 12px rgba(44, 52, 70, 0.12);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-line.is-complete {
  background: linear-gradient(180deg, #16a34a, #6ad88a);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .topic-card-stack {
  border-width: 2px;
  border-color: color-mix(in srgb, var(--subject), #ffffff 46%);
  background: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 16px 34px color-mix(in srgb, var(--subject), transparent 84%),
    inset 0 1px 0 #ffffff;
  backdrop-filter: blur(12px);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:nth-child(odd) > .topic-card-stack {
  transform: rotate(-0.45deg);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:nth-child(even) > .topic-card-stack {
  transform: rotate(0.45deg);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:hover > .topic-card-stack,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:focus-visible > .topic-card-stack {
  transform: translateY(-3px) rotate(0deg);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-sequence-locked > .topic-card-stack,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-vip-locked > .topic-card-stack {
  border-color: rgba(148, 163, 184, 0.72);
  background: rgba(248, 250, 252, 0.83);
  box-shadow: 0 10px 22px rgba(71, 85, 105, 0.08);
  backdrop-filter: blur(10px) grayscale(0.35);
}

.practice-detail-layout .practice-set.is-expedition-map .topic-overview {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.practice-detail-layout .practice-set.is-expedition-map.practice-set-locked::before {
  opacity: 0.25;
  filter: grayscale(0.72);
}

.practice-detail-layout .practice-set.is-expedition-map.practice-set-locked::after {
  opacity: 0.2;
}

@media (min-width: 1120px) {
  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop {
    min-height: 205px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .practice-journey-rail {
    width: 88px;
    padding-top: 24px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .practice-journey-rail::after {
    top: 50px;
    width: 54px;
    border-top-width: 4px;
    border-color: color-mix(in srgb, var(--subject), #ffffff 32%);
    filter: drop-shadow(0 2px 0 rgba(255, 255, 255, 0.8));
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .topic-card-stack {
    min-height: 162px;
    padding: 18px 20px;
  }
}

@media (max-width: 720px) {
  .practice-detail-layout .practice-set.is-expedition-map {
    min-height: 0;
    padding: 12px;
    border-width: 2px;
    border-radius: 22px;
    box-shadow:
      0 14px 30px color-mix(in srgb, var(--subject), transparent 88%),
      inset 0 0 0 4px rgba(255, 255, 255, 0.45);
  }

  .practice-detail-layout .practice-set.is-expedition-map::before {
    background-position: center top;
    opacity: 0.45;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-set-header {
    width: 100%;
    margin-inline: 0;
    backdrop-filter: blur(8px);
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey {
    padding-top: 16px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker,
  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-current .practice-journey-marker,
  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-recommended .practice-journey-marker {
    width: 38px;
    height: 38px;
    border-width: 3px;
    font-size: 13px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .topic-card-stack {
    padding: 14px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:nth-child(odd) > .topic-card-stack,
  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:nth-child(even) > .topic-card-stack {
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .practice-detail-layout .practice-journey-stop.is-current .practice-journey-marker,
  .practice-detail-layout .practice-journey-stop.is-recommended .practice-journey-marker {
    animation: expedition-current-pulse 2.4s ease-in-out infinite;
  }
}

@keyframes expedition-current-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 4px color-mix(in srgb, var(--subject), transparent 84%),
      0 10px 22px color-mix(in srgb, var(--subject), transparent 70%);
  }
  50% {
    box-shadow:
      0 0 0 8px color-mix(in srgb, var(--subject), transparent 92%),
      0 12px 26px color-mix(in srgb, var(--subject), transparent 66%);
  }
}

/* Expedition map polish — cleaner hierarchy, shorter routes, one obvious next mission. */
.practice-detail-layout .detail-panel {
  overflow: clip;
  border-color: color-mix(in srgb, var(--subject), #ffffff 78%);
  border-radius: 28px;
  box-shadow: 0 18px 48px rgba(30, 41, 59, 0.07);
}

.practice-detail-layout .detail-panel-header {
  min-height: 112px;
  padding: 22px clamp(20px, 2.8vw, 32px);
  background:
    radial-gradient(circle at 92% 12%, color-mix(in srgb, var(--subject-soft), #ffffff 12%) 0 72px, transparent 73px),
    #ffffff;
}

.mission-map-heading {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 15px;
}

.mission-map-heading-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 16px;
  display: inline-grid;
  place-items: center;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 20%);
  color: var(--subject);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 65%),
    0 9px 20px color-mix(in srgb, var(--subject), transparent 88%);
  transform: rotate(-4deg);
}

.mission-map-heading-icon svg {
  width: 25px;
  height: 25px;
  stroke-width: 2.15;
}

.practice-detail-layout .detail-panel-header .section-eyebrow {
  color: var(--subject);
  letter-spacing: 0.075em;
}

.practice-detail-layout .detail-panel-header .section-title {
  margin-top: 3px;
  font-size: clamp(22px, 2.1vw, 28px);
  letter-spacing: -0.025em;
}

.practice-detail-layout .practice-path-mini {
  flex: 0 0 auto;
  padding: 5px;
  border-radius: 999px;
  background: #f7f9fc;
}

.practice-detail-layout .practice-path-mini span {
  min-height: 32px;
  padding-inline: 12px;
  border-radius: 999px;
}

.practice-detail-layout .practice-path-mini .is-current {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 20%);
  color: var(--subject);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 72%);
}

.practice-detail-layout .topic-list-stage {
  padding: clamp(14px, 2vw, 22px);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--subject-soft), #ffffff 72%), #f8fafc 76%);
}

.practice-detail-layout .practice-set.is-expedition-map {
  padding: clamp(16px, 2vw, 24px);
  border-width: 2px;
  border-radius: 28px;
  box-shadow:
    0 18px 42px color-mix(in srgb, var(--subject), transparent 88%),
    inset 0 0 0 5px rgba(255, 255, 255, 0.58);
}

.practice-detail-layout .practice-set.is-expedition-map::before {
  opacity: 0.52;
  filter: saturate(0.8);
}

.practice-detail-layout .practice-set.is-expedition-map::after {
  opacity: 0.38;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-header {
  width: min(760px, 94%);
  padding: 14px 16px;
  border-width: 1px;
  border-radius: 20px;
  box-shadow:
    0 11px 26px color-mix(in srgb, var(--subject), transparent 90%),
    inset 0 0 0 3px color-mix(in srgb, var(--subject-soft), #ffffff 42%);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-landmark {
  width: 50px;
  height: 50px;
  border-width: 2px;
  border-radius: 17px;
  transform: rotate(-3deg);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-landmark svg {
  width: 24px;
  height: 24px;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-header-top h3 {
  font-size: clamp(18px, 1.8vw, 22px);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-set-header-main > p {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.45;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey {
  margin-top: 4px;
  padding-top: 20px;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker {
  width: 48px;
  height: 48px;
  border-width: 3px;
  border-radius: 50%;
  font-size: 15px;
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--subject), transparent 72%),
    0 10px 20px rgba(44, 52, 70, 0.16);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-marker.is-locked {
  box-shadow:
    0 0 0 3px rgba(203, 213, 225, 0.64),
    0 8px 16px rgba(71, 85, 105, 0.09);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-line {
  width: 6px;
  border-width: 1px;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .topic-card-stack {
  min-height: 132px;
  padding: 15px 17px;
  border-width: 1px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--subject), transparent 90%);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:nth-child(odd) > .topic-card-stack,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop:nth-child(even) > .topic-card-stack {
  transform: none;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-current > .topic-card-stack,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-recommended > .topic-card-stack {
  border-width: 2px;
  border-color: color-mix(in srgb, var(--subject), #ffffff 38%);
  background: #ffffff;
  box-shadow:
    inset 4px 0 0 var(--subject),
    0 16px 34px color-mix(in srgb, var(--subject), transparent 80%);
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-sequence-locked > .topic-card-stack {
  min-height: 108px;
  border-style: dashed;
  background: rgba(248, 250, 252, 0.88);
  box-shadow: none;
  opacity: 0.78;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-vip-locked > .topic-card-stack {
  min-height: 108px;
  background: rgba(248, 250, 252, 0.9);
  box-shadow: none;
  opacity: 0.8;
}

.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-sequence-locked .topic-overview,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-vip-locked .topic-overview,
.practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-locked .topic-insight-btn {
  display: none;
}

.practice-detail-layout .practice-set.is-expedition-map .topic-kicker {
  display: none;
}

.practice-detail-layout .practice-set.is-expedition-map .topic-recommend-badge {
  min-height: 28px;
  padding-inline: 10px;
  background: var(--subject);
  color: #ffffff;
  box-shadow: 0 7px 16px color-mix(in srgb, var(--subject), transparent 76%);
}

.practice-detail-layout .practice-set.is-expedition-map .topic-recommend-badge svg {
  width: 14px;
  height: 14px;
}

.practice-detail-layout .practice-set.is-expedition-map .topic-name {
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.35;
}

.practice-detail-layout .practice-set.is-expedition-map .topic-overview {
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.45;
  -webkit-line-clamp: 2;
}

.practice-detail-layout .practice-set.is-expedition-map .topic-progress-block {
  margin-top: 10px;
}

.practice-detail-layout .practice-set.is-expedition-map .topic-card-cta .topic-start-button,
.practice-detail-layout .practice-set.is-expedition-map .topic-card-cta .topic-retry-button {
  min-height: 42px;
  border-radius: 14px;
}

@media (min-width: 1120px) {
  .subject-hero--practice {
    min-height: 224px;
    padding: 24px 28px;
  }

  .subject-hero--practice .subject-hero-main {
    grid-template-columns: 52px minmax(300px, 1fr) minmax(270px, 0.34fr);
    gap: 20px;
  }

  .subject-hero--practice h1 {
    font-size: clamp(30px, 3vw, 39px);
  }

  .subject-hero--practice .subject-hero-steps span {
    min-height: 32px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop {
    min-height: 168px;
    padding-bottom: 12px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .practice-journey-rail {
    width: 78px;
    padding-top: 18px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .practice-journey-rail::after {
    top: 41px;
    width: 48px;
    border-top-width: 3px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .topic-card-stack {
    min-height: 132px;
    padding: 15px 17px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-sequence-locked > .topic-card-stack,
  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop.is-vip-locked > .topic-card-stack {
    min-height: 108px;
  }
}

@media (max-width: 860px) {
  .practice-detail-layout .detail-panel-header {
    align-items: flex-start;
  }

  .practice-detail-layout .practice-path-mini {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .subject-hero--practice {
    min-height: 0;
    padding: 20px 18px;
    border-radius: 22px;
  }

  .mission-map-heading {
    align-items: flex-start;
    gap: 11px;
  }

  .mission-map-heading-icon {
    width: 40px;
    height: 40px;
    border-radius: 13px;
  }

  .mission-map-heading-icon svg {
    width: 21px;
    height: 21px;
  }

  .practice-detail-layout .detail-panel-header {
    min-height: 0;
    padding: 18px 16px;
  }

  .practice-detail-layout .detail-panel-header .section-subtitle {
    font-size: 12.5px;
  }

  .practice-detail-layout .topic-list-stage {
    padding: 10px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-set-header {
    padding: 12px;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-set-header-main > p {
    display: none;
  }

  .practice-detail-layout .practice-set.is-expedition-map .practice-journey-stop > .topic-card-stack {
    min-height: 0;
    padding: 13px;
  }

.practice-detail-layout .practice-set.is-expedition-map .topic-name {
    font-size: 15px;
  }
}

/* Keep the redesigned mobile shell last in the cascade. */
.practice-topic-navigator {
  position: relative;
  top: auto;
  z-index: 1;
  margin: 0 0 14px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 68%);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 30px rgba(30, 41, 59, 0.1);
  backdrop-filter: blur(14px);
}

.practice-topic-navigator[hidden] {
  display: none;
}

.practice-topic-finder {
  display: grid;
  gap: 11px;
}

.practice-topic-finder-top,
.practice-topic-resume {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.practice-topic-finder-kicker {
  margin: 0 0 2px;
  color: var(--subject);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.practice-topic-finder h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.25;
}

.practice-topic-view-toggle,
.practice-topic-filter-row {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.practice-topic-view-toggle {
  padding: 4px;
  border-radius: 12px;
  background: #f1f5f9;
}

.practice-topic-view-toggle button,
.practice-topic-filter-row button {
  min-height: 34px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #55637a;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 850;
}

.practice-topic-view-toggle button {
  padding: 0 11px;
}

.practice-topic-view-toggle button.is-active,
.practice-topic-filter-row button.is-active {
  background: #ffffff;
  color: var(--subject);
  box-shadow: 0 2px 8px rgba(30, 41, 59, 0.1);
}

.practice-topic-resume {
  width: 100%;
  padding: 11px 12px;
  border: 0;
  border-radius: 14px;
  background: color-mix(in srgb, var(--subject-soft), #ffffff 32%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--subject), #ffffff 74%);
  display: grid;
  align-items: stretch;
  justify-content: initial;
  gap: 2px;
  text-align: left;
  cursor: pointer;
}

.practice-topic-resume span {
  color: var(--subject);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.practice-topic-resume strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.practice-topic-search {
  display: grid;
  gap: 5px;
  color: #59677d;
  font-size: 12px;
  font-weight: 850;
}

.practice-topic-search input {
  width: 100%;
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid #d8e1ed;
  border-radius: 12px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

.practice-topic-search input:focus {
  border-color: var(--subject);
  outline: 3px solid color-mix(in srgb, var(--subject), transparent 82%);
}

.practice-topic-filter-row button {
  padding: 0 11px;
  background: #f6f8fb;
  box-shadow: inset 0 0 0 1px #e3e9f1;
}

.practice-topic-filter-empty {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff7ed;
  color: #9a4d0b;
  font-size: 13px;
  font-weight: 750;
}

.practice-detail-layout .practice-set.is-compact-list {
  min-height: 0;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(30, 41, 59, 0.06);
}

.practice-detail-layout .practice-set.is-compact-list::before,
.practice-detail-layout .practice-set.is-compact-list::after {
  display: none;
}

.practice-detail-layout .practice-set.is-compact-list .practice-journey {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 0;
}

.practice-detail-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row {
  min-height: 82px;
  padding: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-rows: none;
  gap: 10px;
  align-items: center;
}

.practice-detail-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row > .practice-journey-rail {
  grid-column: 1;
  grid-row: 1;
  width: 42px;
  padding: 0;
}

.practice-detail-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row > .practice-journey-rail::after,
.practice-detail-layout .practice-set.is-compact-list .practice-journey-line {
  display: none;
}

.practice-detail-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row > .topic-card-stack {
  grid-column: 2;
  grid-row: 1;
  min-height: 0;
  padding: 11px 13px;
  border: 1px solid color-mix(in srgb, var(--subject), #ffffff 72%);
  border-radius: 15px;
  background: #ffffff;
  box-shadow: none;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-summary-head {
  gap: 7px;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-summary-head .priority,
.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-kicker,
.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-insight-btn {
  display: none;
}

.topic-compact-arrow {
  display: none;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-compact-arrow {
  display: inline-grid;
  width: 24px;
  height: 24px;
  margin-left: auto;
  place-items: center;
  border-radius: 50%;
  background: var(--subject-soft);
  color: var(--subject);
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-compact-status {
  color: var(--subject);
  background: color-mix(in srgb, var(--subject-soft), #ffffff 20%);
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-overview,
.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-progress-block,
.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-card-cta {
  display: none;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-card-stack {
  gap: 5px;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-name {
  font-size: 15px;
  line-height: 1.3;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-chips {
  gap: 6px;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-chips span {
  min-height: 22px;
  font-size: 11px;
}

.practice-detail-layout .practice-set.is-compact-list .is-compact-list-row .topic-chips .topic-wrong-review-chip {
  min-height: 28px;
  padding: 0 10px;
  font-size: 12px;
}

/* Toán: a calm, single-layer learning path with one obvious next action. */
.math-learning-layout {
  width: min(1180px, 100%);
  margin-inline: auto;
  --subject: #b45309;
  --subject-soft: #fff7ed;
}

.math-learning-layout .detail-panel {
  overflow: hidden;
  border: 1px solid #e4e8f1;
  border-radius: 20px;
  box-shadow: 0 6px 18px rgba(24, 32, 51, 0.055);
}

.math-learning-layout .detail-panel-header {
  min-height: 0;
  padding: 20px 24px;
  border-bottom-color: #e4e8f1;
  background: #ffffff;
}

.math-learning-layout .mission-map-heading-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff7ed;
  color: #b45309;
  box-shadow: inset 0 0 0 1px #fed7aa;
  transform: none;
}

.math-learning-layout .mission-map-heading-icon svg {
  width: 22px;
  height: 22px;
}

.math-learning-layout .detail-panel-header .section-eyebrow {
  margin-bottom: 3px;
  color: #b45309;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.math-learning-layout .detail-panel-header .section-title {
  margin: 0;
  color: #182033;
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.math-learning-layout .detail-panel-header .section-subtitle {
  margin-top: 5px;
  color: #5f6b84;
  font-weight: 500;
}

.math-learning-layout .practice-path-mini {
  border: 1px solid #e4e8f1;
  background: #f8fafc;
  box-shadow: none;
}

.math-learning-layout .practice-path-mini span {
  font-weight: 700;
}

.math-learning-layout .practice-path-mini .is-current {
  color: #9a4d0b;
  background: #fff7ed;
  box-shadow: inset 0 0 0 1px #fed7aa;
}

.math-learning-layout .topic-list-stage {
  padding: 18px;
  background: #f8fafc;
  background-image: none;
}

.math-learning-layout .practice-topic-navigator {
  display: none !important;
}

.math-learning-layout .practice-set.is-compact-list {
  padding: 16px;
  border: 1px solid #e4e8f1;
  border-radius: 20px;
  background: #ffffff;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .practice-set-header {
  width: 100%;
  margin: 0;
  padding: 2px 2px 16px;
  border: 0;
  border-bottom: 1px solid #e4e8f1;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .practice-set-header--integrated {
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 13px;
}

.math-learning-layout .practice-set-landmark {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 14px;
  background: #b45309;
  box-shadow: none;
  transform: none;
}

.math-learning-layout .practice-set-landmark svg {
  width: 21px;
  height: 21px;
}

.math-learning-layout .practice-set-badge {
  border-color: #fed7aa;
  background: #fff7ed;
  color: #9a4d0b;
}

.math-learning-layout .practice-set-header-top h3 {
  color: #182033;
  font-size: clamp(18px, 2vw, 20px);
  font-weight: 800;
}

.math-learning-layout .practice-set-header-main > p {
  color: #5f6b84;
  font-weight: 500;
}

.math-learning-layout .practice-set-progress-inline {
  padding-top: 10px;
  border-top-color: #e4e8f1;
}

.math-learning-layout .practice-set-progress-value {
  color: #b45309;
  font-size: 19px;
}

.math-learning-layout .practice-set-accuracy-inline {
  color: #5f6b84;
  background: #f8fafc;
  box-shadow: inset 0 0 0 1px #e4e8f1;
}

.math-learning-layout .practice-set.is-compact-list .practice-journey {
  gap: 8px;
  margin-top: 12px;
}

.math-learning-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row {
  min-height: 72px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row > .topic-card-stack {
  padding: 12px 14px;
  border: 1px solid #e4e8f1;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .practice-journey-marker {
  width: 36px;
  height: 36px;
  border: 1px solid #fed7aa;
  background: #fff7ed;
  color: #9a4d0b;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .is-current .practice-journey-marker,
.math-learning-layout .practice-set.is-compact-list .is-recommended .practice-journey-marker,
.math-learning-layout .practice-set.is-compact-list .practice-journey-marker.is-progress {
  border-color: #b45309;
  background: #b45309;
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.13);
}

.math-learning-layout .practice-set.is-compact-list .is-current > .topic-card-stack,
.math-learning-layout .practice-set.is-compact-list .is-recommended > .topic-card-stack {
  border-color: #fed7aa;
  background: #fffbf5;
  box-shadow: inset 3px 0 0 #b45309;
}

.math-learning-layout .practice-set.is-compact-list .practice-journey-marker.is-complete {
  border-color: #15803d;
  background: #15803d;
  color: #ffffff;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .is-complete > .topic-card-stack {
  border-color: #bbebc8;
  box-shadow: inset 3px 0 0 #15803d;
}

.math-learning-layout .practice-set.is-compact-list .practice-journey-marker.is-locked {
  border-color: #d7dee8;
  background: #eef2f7;
  color: #64748b;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .is-locked > .topic-card-stack {
  border-color: #e4e8f1;
  background: #f8fafc;
  opacity: 1;
}

.math-learning-layout .practice-set.is-compact-list .topic-recommend-badge {
  border: 1px solid #fed7aa;
  background: #fff7ed;
  color: #9a4d0b;
  box-shadow: none;
  font-weight: 700;
}

.math-learning-layout .practice-set.is-compact-list .topic-probability-pill {
  border-color: #e4e8f1;
  background: #f8fafc;
  color: #5f6b84;
  box-shadow: none;
}

.math-learning-layout .practice-set.is-compact-list .is-compact-list-row .topic-name {
  color: #182033;
  font-size: 16px;
  font-weight: 700;
}

.math-learning-layout .practice-set.is-compact-list .is-compact-list-row .topic-compact-arrow {
  width: 28px;
  height: 28px;
  background: #f1f3f8;
  color: #5f6b84;
}

.math-learning-layout .practice-set.is-compact-list .is-current .topic-compact-arrow,
.math-learning-layout .practice-set.is-compact-list .is-recommended .topic-compact-arrow {
  background: #fff7ed;
  color: #b45309;
}

.math-learning-layout .practice-set.is-compact-list .is-compact-list-row .topic-compact-status {
  color: #5f6b84;
  background: #f1f3f8;
  font-weight: 600;
}

.math-learning-layout .practice-set.is-compact-list [data-topic-status="complete"] .topic-compact-status {
  color: #15803d;
  background: #f0fdf4;
}

.math-learning-layout .practice-expedition-divider {
  margin: 12px 0;
  padding: 0;
}

.math-learning-layout .practice-expedition-route {
  display: none;
}

.math-learning-layout .practice-expedition-gate,
.math-learning-layout .practice-expedition-divider.is-locked .practice-expedition-gate {
  width: 100%;
  min-height: 64px;
  padding: 11px 13px;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  border: 1px solid #d7dee8;
  border-radius: 16px;
  background: #f8fafc;
  box-shadow: none;
}

.math-learning-layout .practice-expedition-gate-icon,
.math-learning-layout .practice-expedition-divider.is-locked .practice-expedition-gate-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: #eef2f7;
  color: #64748b;
  box-shadow: none;
}

.math-learning-layout .practice-expedition-gate-copy small {
  display: none;
}

.math-learning-layout .practice-expedition-gate-copy strong {
  color: #334155;
  font-size: 16px;
  font-weight: 700;
}

.math-learning-layout .practice-expedition-gate-state,
.math-learning-layout .practice-expedition-divider.is-locked .practice-expedition-gate-state {
  min-height: 32px;
  background: #eef2f7;
  color: #64748b;
  font-weight: 700;
}

.math-learning-layout .practice-set-locked {
  display: none;
}

@media (max-width: 720px) {
  .practice-topic-navigator {
    top: auto;
    padding: 12px;
    border-radius: 16px;
  }

  .practice-topic-finder-top,
  .practice-topic-resume {
    align-items: flex-start;
  }

  .practice-topic-finder-top {
    display: grid;
  }

  .practice-topic-view-toggle {
    width: 100%;
  }

  .practice-topic-view-toggle button {
    flex: 1;
  }

  .practice-topic-resume strong {
    white-space: normal;
  }

  .practice-detail-layout .practice-set.is-compact-list {
    padding: 10px;
    border-radius: 18px;
  }

  .practice-detail-layout .practice-set.is-compact-list .practice-journey-stop.is-compact-list-row {
    min-height: 76px;
  }

  .math-learning-layout .detail-panel-header {
    padding: 16px;
  }

  .math-learning-layout .topic-list-stage {
    padding: 10px;
  }

  .math-learning-layout .practice-set.is-compact-list {
    padding: 12px;
  }

  .math-learning-layout .practice-set.is-compact-list .practice-set-header--integrated {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .math-learning-layout .practice-set-landmark {
    width: 38px;
    height: 38px;
  }

  .math-learning-layout .practice-set-progress-inline {
    grid-template-columns: auto minmax(80px, 1fr) auto;
  }

  .math-learning-layout .practice-set-accuracy-inline {
    grid-column: 1 / -1;
    justify-self: stretch;
    min-width: 0;
  }
}

@media (max-width: 860px) {
  .app-main-column {
    padding-bottom: calc(78px + env(safe-area-inset-bottom));
  }

  .sidebar {
    position: relative;
    top: auto;
    z-index: 80;
    min-height: 60px;
    height: 60px;
    max-height: 60px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 0 var(--line);
    overflow: visible;
    backdrop-filter: none;
  }

  .sidebar-brand-wrapper {
    height: 44px;
  }

  .sidebar-toggle,
  .nav,
  .sidebar-foot {
    display: none;
  }

  .sidebar-brand-wrapper .brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .sidebar-brand-wrapper .brand-mark {
    width: 40px;
    height: 40px;
  }

  .sidebar-brand-wrapper .brand-text {
    font-size: 15px;
  }

  .mobile-menu {
    position: fixed;
    z-index: 100;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(68px + env(safe-area-inset-bottom));
    padding: 7px 8px env(safe-area-inset-bottom);
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 -8px 24px rgba(24, 32, 51, 0.07);
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 2px;
    overflow: visible;
  }

  .nav-item.mobile {
    min-width: 0;
    min-height: 54px;
    padding: 4px 2px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: #75809a;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 3px;
    text-align: center;
    font-size: 10px;
    font-weight: 700;
  }

  .nav-item.mobile svg {
    width: 22px;
    height: 22px;
  }

  .nav-item.mobile.is-active {
    background: var(--blue-soft);
    color: var(--blue);
  }

  .topbar.today-topbar {
    display: block;
    margin-bottom: 18px;
  }

  .today-topbar .user-profile {
    display: none;
  }

  .topbar.today-topbar > .today-greeting {
    grid-column: auto;
    grid-row: auto;
  }

  .today-mission-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

}

@media (max-width: 640px) {
  .main {
    padding: 18px 16px 24px;
  }

  .today-support-card,
  .today-support-card.parent-card {
    min-height: 218px;
  }
}

/* Guided review: one saved mistake per step. */
.recent-wrong-flow {
  background: #f7f8fc;
}

.recent-wrong-topbar {
  grid-template-columns: minmax(180px, 1fr) minmax(280px, 520px) minmax(180px, 1fr);
}

.recent-wrong-step {
  grid-column: 2;
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  align-items: center;
  gap: 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.recent-wrong-step i {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6eaf2;
}

.recent-wrong-step i b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--blue);
  transition: width 260ms ease;
}

.recent-wrong-panel {
  width: min(960px, calc(100% - 32px));
  margin-inline: auto;
}

.recent-wrong-heading {
  max-width: 760px;
}

.recent-wrong-card {
  margin-top: 24px;
}

.recent-wrong-card .profile-wrong-subject-head {
  align-items: center;
}

.recent-wrong-count {
  min-height: 32px;
  margin-left: auto;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--subject-soft);
  color: var(--subject);
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 800;
}

.recent-wrong-card > .review-question-card,
.recent-wrong-card > .question-card {
  margin-top: 16px;
}

.recent-wrong-actions {
  position: sticky;
  z-index: 20;
  bottom: 0;
  margin: 24px -1px -1px;
  padding: 16px 0 2px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), #fff 30%);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
}

.recent-wrong-actions .button {
  min-height: 50px;
}

@media (max-width: 720px) {
  .recent-wrong-topbar {
    grid-template-columns: 1fr;
  }

  .recent-wrong-step {
    grid-column: 1;
    grid-row: 2;
    width: 100%;
  }

  .recent-wrong-panel {
    width: min(100% - 20px, 960px);
  }

  .recent-wrong-heading .icon-box {
    width: 46px;
    height: 46px;
  }

  .recent-wrong-count {
    margin-left: 0;
  }

  .recent-wrong-actions {
    grid-template-columns: 0.7fr 1.3fr;
    bottom: env(safe-area-inset-bottom);
  }

  .recent-wrong-actions .button {
    width: 100%;
    padding-inline: 12px;
  }
}

/* The redesigned product preview is the hero's second column on desktop. */
@media (min-width: 901px) {
  .auth-kids-hero--page1:has(.auth-product-mockup) {
    max-width: none;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: clamp(36px, 5vw, 64px);
  }
}

/* Homepage roadmap preview — shown before the 2026 free-exam hero. */
.auth-roadmap-preview {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(280px, 0.78fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
  padding: clamp(18px, 2.8vw, 32px);
  border: 1px solid #dbe5f2;
  border-radius: clamp(24px, 3vw, 32px);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 56px rgba(30, 58, 95, 0.08);
}

.auth-roadmap-preview-figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid #d7e0ec;
  border-radius: clamp(16px, 2vw, 24px);
  background: #fff;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
}

.auth-roadmap-preview-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.auth-roadmap-preview-copy {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.auth-roadmap-preview-copy .auth-hero-badge {
  justify-self: start;
  margin: 0;
}

.auth-roadmap-preview-copy h2 {
  margin: 0;
  color: var(--auth-navy, #1e3a5f);
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.16;
  font-weight: 900;
  text-wrap: balance;
}

.auth-roadmap-preview-copy ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.auth-roadmap-preview-copy li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  color: var(--auth-slate, #4b5c76);
  font-size: clamp(15px, 1.35vw, 17px);
  font-weight: 700;
  line-height: 1.55;
}

.auth-roadmap-preview-copy li svg {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  padding: 4px;
  border-radius: 999px;
  color: #047857;
  background: #d1fae5;
}

@media (max-width: 900px) {
  .auth-roadmap-preview {
    grid-template-columns: 1fr;
  }

  .auth-roadmap-preview-copy {
    grid-row: 1;
  }
}

@media (max-width: 640px) {
  .auth-roadmap-preview {
    gap: 22px;
    padding: 16px;
    border-radius: 22px;
  }

  .auth-roadmap-preview-copy {
    gap: 13px;
  }

  .auth-roadmap-preview-copy h2 {
    font-size: clamp(25px, 7.5vw, 32px);
  }

  .auth-roadmap-preview-copy li {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 8px;
  }

  .auth-roadmap-preview-figure {
    border-radius: 14px;
  }
}

/* Public progress proof — realistic sample before sign-in. */
.auth-progress-proof {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  padding: clamp(24px, 4vw, 42px);
  border: 3px solid #1e2422;
  border-radius: 30px 24px 32px 25px;
  background: #fffdf4;
  box-shadow: 7px 8px 0 #1e2422;
  scroll-margin-top: 96px;
}

.auth-progress-proof-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.auth-progress-proof-head > div {
  max-width: 760px;
  display: grid;
  gap: 10px;
}

.auth-progress-proof-head .auth-hero-badge {
  justify-self: start;
  margin: 0;
}

.auth-progress-proof-head h2 {
  margin: 0;
  color: #1e2422;
  font-size: clamp(29px, 4vw, 43px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.auth-progress-proof-head p:last-child {
  max-width: 690px;
  margin: 0;
  color: #5e6964;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 650;
  line-height: 1.6;
}

.auth-progress-sample-label {
  flex: none;
  min-height: 34px;
  padding: 7px 12px;
  border: 1.5px solid #1e2422;
  border-radius: 999px;
  background: #e7f0eb;
  color: #426359;
  font-size: 11px;
  font-weight: 850;
  line-height: 1.35;
  display: inline-flex;
  align-items: center;
}

.auth-progress-summary {
  width: 100%;
  min-width: 0;
  padding: clamp(20px, 3vw, 28px);
  border: 2px solid #1e2422;
  border-radius: 21px 17px 23px 18px;
  background: #dfeae6;
  color: #1e2422;
  box-shadow: 5px 6px 0 #1e2422;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) minmax(190px, 0.34fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: center;
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.auth-progress-summary:hover,
.auth-progress-summary:focus-visible {
  outline: none;
  transform: translate(-2px, -2px);
  box-shadow: 7px 8px 0 #1e2422;
}

.auth-progress-ring {
  width: 132px;
  height: 132px;
  padding: 14px;
  border: 2px solid #1e2422;
  border-radius: 50%;
  background: conic-gradient(#6c9b8d var(--preview-progress), #fffdf4 0);
  display: grid;
  place-items: center;
}

.auth-progress-ring > span {
  width: 100%;
  height: 100%;
  border: 2px solid #1e2422;
  border-radius: 50%;
  background: #fffdf4;
  display: grid;
  place-content: center;
  justify-items: center;
}

.auth-progress-ring strong {
  color: #2563eb;
  font-size: 31px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.auth-progress-ring small {
  margin-top: 5px;
  color: #5f687a;
  font-size: 11px;
  font-weight: 800;
}

.auth-progress-forecast {
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 6px;
}

.auth-progress-course-count {
  min-height: 30px;
  padding: 5px 11px;
  border: 2px solid #1e2422;
  border-radius: 999px;
  background: #fffdf4;
  font-size: 11px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
}

.auth-progress-forecast > strong {
  color: #20283b;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 900;
  line-height: 1.3;
}

.auth-progress-forecast em {
  color: #2563eb;
  font-style: normal;
}

.auth-progress-forecast b {
  color: #2563eb;
  font-size: 13px;
  font-weight: 850;
}

.auth-progress-forecast small {
  color: #637087;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.45;
}

.auth-progress-score {
  min-height: 138px;
  padding: 18px;
  border: 2px solid #1e2422;
  border-radius: 18px 15px 20px 16px;
  background: #fffdf4;
  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
}

.auth-progress-score small {
  color: #20283b;
  font-size: 16px;
  font-weight: 900;
}

.auth-progress-score strong {
  color: #2563eb;
  font-size: 40px;
  font-weight: 900;
  line-height: 1.15;
}

.auth-progress-score b {
  color: #2563eb;
  font-size: 12px;
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.auth-progress-score svg {
  width: 18px;
  height: 18px;
}

.auth-progress-subject-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.auth-progress-subject-card {
  min-width: 0;
  min-height: 190px;
  padding: 22px;
  border: 2px solid #1e2422;
  border-radius: 20px 16px 22px 17px;
  background: #fffdf4;
  box-shadow: 4px 5px 0 #1e2422;
  display: grid;
  align-content: space-between;
  gap: 22px;
}

.auth-progress-subject-head {
  min-width: 0;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.auth-progress-subject-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--preview-soft);
  color: var(--preview-accent);
  display: grid;
  place-items: center;
}

.auth-progress-subject-icon img,
.auth-progress-subject-icon svg {
  width: 33px;
  height: 33px;
  object-fit: contain;
}

.auth-progress-subject-title {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.auth-progress-subject-title h3 {
  min-width: 0;
  margin: 0;
  color: #171716;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 900;
  line-height: 1.25;
}

.auth-progress-mastery {
  padding: 5px 9px;
  border-radius: 999px;
  background: #e1f4ed;
  color: #159873;
  font-size: 10px;
  font-weight: 900;
}

.auth-progress-subject-weight {
  text-align: right;
  display: grid;
  gap: 1px;
}

.auth-progress-subject-weight span {
  color: #657087;
  font-size: 11px;
  font-weight: 800;
}

.auth-progress-subject-weight strong {
  color: var(--preview-accent);
  font-size: 19px;
  font-weight: 900;
  white-space: nowrap;
}

.auth-progress-subject-bar {
  width: 100%;
  height: 11px;
  border: 1.5px solid #1e2422;
  border-radius: 999px;
  background: #ffffff;
  overflow: hidden;
}

.auth-progress-subject-bar i {
  height: 100%;
  border-radius: inherit;
  background: var(--preview-accent);
  display: block;
}

.auth-progress-subject-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: #64708a;
  font-size: 12px;
  font-weight: 650;
}

.auth-progress-subject-meta strong {
  font-weight: 750;
  text-align: right;
}

.auth-progress-proof-action {
  padding: 18px 20px;
  border: 2px solid #1e2422;
  border-radius: 17px 14px 19px 15px;
  background: #f3d98f;
  box-shadow: 3px 4px 0 #1e2422;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.auth-progress-proof-action > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.auth-progress-proof-action strong {
  color: #1e2422;
  font-size: 16px;
  font-weight: 900;
}

.auth-progress-proof-action span {
  color: #5b625e;
  font-size: 12px;
  font-weight: 650;
}

.auth-progress-proof-action .button {
  flex: none;
}

@media (max-width: 900px) {
  .auth-progress-summary {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .auth-progress-score {
    grid-column: 1 / -1;
    min-height: 108px;
    grid-template-columns: auto auto auto;
    gap: 14px;
    align-items: center;
  }
}

@media (max-width: 700px) {
  .auth-progress-proof {
    padding: 20px 16px;
    border-radius: 24px 20px 26px 21px;
    box-shadow: 5px 6px 0 #1e2422;
  }

  .auth-progress-proof-head {
    display: grid;
  }

  .auth-progress-sample-label {
    justify-self: start;
  }

  .auth-progress-summary {
    grid-template-columns: 96px minmax(0, 1fr);
    padding: 16px;
    gap: 14px;
  }

  .auth-progress-ring {
    width: 92px;
    height: 92px;
    padding: 10px;
  }

  .auth-progress-ring strong {
    font-size: 23px;
  }

  .auth-progress-forecast > strong {
    font-size: 16px;
  }

  .auth-progress-score {
    min-height: 84px;
    padding: 14px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
    justify-items: start;
    text-align: left;
  }

  .auth-progress-score strong {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    font-size: 32px;
  }

  .auth-progress-score b {
    grid-column: 1;
    justify-self: start;
  }

  .auth-progress-subject-grid {
    grid-template-columns: 1fr;
  }

  .auth-progress-subject-card {
    min-height: 172px;
    padding: 18px;
  }

  .auth-progress-subject-head {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 10px;
  }

  .auth-progress-subject-icon {
    width: 46px;
    height: 46px;
  }

  .auth-progress-subject-icon img,
  .auth-progress-subject-icon svg {
    width: 28px;
    height: 28px;
  }

  .auth-progress-subject-title h3 {
    font-size: 17px;
  }

  .auth-progress-subject-weight strong {
    font-size: 16px;
  }

  .auth-progress-subject-meta {
    font-size: 11px;
  }

  .auth-progress-proof-action {
    align-items: stretch;
    flex-direction: column;
  }

  .auth-progress-proof-action .button {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .auth-progress-summary {
    grid-template-columns: 1fr;
  }

  .auth-progress-ring {
    justify-self: center;
  }

  .auth-progress-forecast {
    justify-items: center;
    text-align: center;
  }

  .auth-progress-subject-head {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .auth-progress-subject-weight {
    grid-column: 2;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .profile-page {
    max-width: none;
    grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
    gap: 22px;
    align-items: start;
  }

  .profile-page > .profile-card:first-child {
    grid-column: 1;
  }

  .profile-page > .parent-summary-card {
    grid-column: 2;
    grid-row: 1;
  }

  .profile-page > .vip-profile-card {
    grid-column: 1;
  }

  .profile-page > .profile-stats-grid {
    grid-column: 2;
  }

  .profile-page > [data-profile-reports-section],
  .profile-page > .profile-points-card,
  .profile-page > .button-row {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1023px) {
  .profile-page > .parent-summary-card {
    order: -1;
  }
}

/* Free 2026 Tran Dai Nghia diagnostic exam */
.free-exam-app {
  display: block;
  min-height: 100vh;
  background: #f5f7fb;
}

.free-exam-app button,
.free-exam-app a {
  font-family: "Be Vietnam Pro", sans-serif;
}

.free-exam-shell {
  width: min(1180px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding-bottom: 48px;
  color: #172033;
}

.free-exam-header {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid #e3e8f2;
}

.free-exam-header.is-compact {
  min-height: 68px;
}

.free-exam-brand {
  padding: 0;
  background: transparent;
  color: #172033;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-align: left;
  cursor: pointer;
}

.free-exam-logo {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 12px;
}

.free-exam-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.free-exam-brand > span:last-child {
  display: grid;
  gap: 2px;
}

.free-exam-brand strong {
  font-size: 14px;
  font-weight: 900;
}

.free-exam-brand small,
.free-exam-save-status {
  color: #68748b;
  font-size: 11px;
  font-weight: 700;
}

.free-exam-save-status {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #d8e7df;
  border-radius: 999px;
  background: #f0faf5;
  color: #18744f;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.free-exam-save-status svg,
.free-exam-brand svg {
  width: 17px;
  height: 17px;
}

.free-exam-intro {
  min-height: 590px;
  padding: clamp(44px, 7vw, 82px) 0 46px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: clamp(40px, 7vw, 84px);
}

.free-exam-intro-copy {
  max-width: 680px;
}

.free-exam-eyebrow {
  color: #3157d5;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.free-exam-intro h1,
.free-exam-result-copy h1 {
  max-width: 760px;
  margin-top: 13px;
  color: #15203a;
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.045em;
}

.free-exam-lead {
  max-width: 650px;
  margin-top: 20px;
  color: #5e6a82;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.7;
}

.free-exam-facts {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.free-exam-facts > span {
  min-width: 0;
  padding: 15px 14px;
  border: 1px solid #e1e6f0;
  border-radius: 14px;
  background: #fff;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 2px 8px;
  box-shadow: 0 7px 22px rgba(32, 43, 68, .045);
}

.free-exam-facts svg {
  grid-row: 1 / 3;
  width: 22px;
  height: 22px;
  color: #3157d5;
}

.free-exam-facts b {
  font-size: 13px;
  font-weight: 900;
}

.free-exam-facts small {
  overflow: hidden;
  color: #7b8599;
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.free-exam-main-action {
  min-height: 56px;
  margin-top: 26px;
  padding-inline: 24px;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(49, 87, 213, .24);
}

.free-exam-main-action svg,
.free-exam-question-actions svg,
.free-exam-account-cta .button svg,
.free-exam-result-actions svg {
  width: 19px;
  height: 19px;
}

.free-exam-privacy {
  margin-top: 12px;
  color: #7b8599;
  font-size: 11px;
  font-weight: 700;
}

.free-exam-preview {
  position: relative;
  padding: 24px;
  border: 1px solid #dce2ee;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(30, 43, 71, .12);
}

.free-exam-preview::before {
  content: "BÁO CÁO MẪU";
  position: absolute;
  top: -12px;
  right: 18px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #172033;
  color: #fff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
}

.free-exam-preview-head,
.free-exam-preview-score {
  display: flex;
  align-items: center;
  gap: 13px;
}

.free-exam-preview-head > span {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: #eef2ff;
  color: #3157d5;
  display: grid;
  place-items: center;
}

.free-exam-preview-head svg,
.free-exam-preview > p svg {
  width: 21px;
  height: 21px;
}

.free-exam-preview-head div,
.free-exam-preview-score div {
  display: grid;
  gap: 2px;
}

.free-exam-preview-head small,
.free-exam-preview-score small {
  color: #788297;
  font-size: 10px;
  font-weight: 700;
}

.free-exam-preview-head strong,
.free-exam-preview-score strong {
  font-size: 14px;
  font-weight: 900;
}

.free-exam-preview-score {
  margin-top: 24px;
  padding: 18px;
  border-radius: 16px;
  background: #f8f9fc;
}

.free-exam-preview-score > span {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: conic-gradient(#3157d5 var(--preview-score), #dfe5f1 0);
  display: grid;
  place-items: center;
}

.free-exam-preview-score > span::before {
  content: "";
  grid-area: 1 / 1;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #fff;
}

.free-exam-preview-score > span b {
  z-index: 1;
  grid-area: 1 / 1;
  font-size: 22px;
}

.free-exam-preview-bars {
  margin-top: 22px;
  display: grid;
  gap: 13px;
}

.free-exam-preview-bars > span {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  gap: 10px;
}

.free-exam-preview-bars small {
  color: #59667d;
  font-size: 11px;
  font-weight: 800;
}

.free-exam-preview-bars i {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e9edf4;
}

.free-exam-preview-bars i b {
  height: 100%;
  border-radius: inherit;
  background: #3157d5;
  display: block;
}

.free-exam-preview > p {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid #e8ebf2;
  color: #4e5c74;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.5;
}

.free-exam-preview > p svg {
  flex: 0 0 auto;
  color: #d07a16;
}

.free-exam-subject-strip {
  padding: 18px 22px;
  border: 1px solid #e1e6ef;
  border-radius: 17px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 11px;
}

.free-exam-subject-strip span {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--skill-soft);
  color: #344158;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 800;
}

.free-exam-subject-strip i,
.free-exam-skill-chart article div span i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--skill-color);
}

.free-exam-question-shell {
  width: min(920px, calc(100% - 40px));
}

.free-exam-progress-row {
  margin: 22px 0 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 22px;
}

.free-exam-progress-row > div {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  align-items: center;
  gap: 13px;
}

.free-exam-progress-row > div > span {
  color: #58657d;
  font-size: 12px;
  font-weight: 900;
}

.free-exam-progress-row > div > i {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e7f0;
}

.free-exam-progress-row > div > i b {
  height: 100%;
  border-radius: inherit;
  background: #3157d5;
  display: block;
  transition: width 240ms ease;
}

.free-exam-timer {
  min-width: 108px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid #dfe4ed;
  border-radius: 11px;
  background: #fff;
  color: #334158;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.free-exam-timer svg {
  width: 18px;
  height: 18px;
}

.free-exam-timer b {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.free-exam-timer.is-warning {
  border-color: #f1c6a0;
  background: #fff6eb;
  color: #ad560c;
}

.free-exam-question-card {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid #dfe4ee;
  border-top: 4px solid var(--skill-color);
  border-radius: 21px;
  background: #fff;
  box-shadow: 0 16px 46px rgba(31, 43, 69, .075);
}

.free-exam-question-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.free-exam-question-meta span,
.free-exam-question-meta small {
  min-height: 29px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 900;
}

.free-exam-question-meta span {
  background: var(--skill-soft);
  color: var(--skill-color);
}

.free-exam-question-meta small {
  background: #f2f4f8;
  color: #6c778c;
}

.free-exam-question-card h1 {
  max-width: 790px;
  margin-top: 18px;
  color: #182238;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.48;
  letter-spacing: -.02em;
}

.free-exam-figure {
  width: min(520px, 100%);
  margin: 24px auto 0;
  padding: 14px;
  border: 1px solid #e0e5ef;
  border-radius: 16px;
  background: #fafbfc;
}

.free-exam-figure img {
  width: 100%;
  max-height: 300px;
  display: block;
  object-fit: contain;
}

.free-exam-figure figcaption {
  margin-top: 9px;
  color: #7a8497;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
}

.free-exam-options {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.free-exam-option {
  position: relative;
  min-height: 68px;
  padding: 12px 42px 12px 14px;
  border: 2px solid #e2e6ee;
  border-radius: 14px;
  background: #fff;
  color: #263249;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 11px;
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.free-exam-option:hover:not(:disabled),
.free-exam-option:focus-visible:not(:disabled) {
  border-color: #8fa5ef;
  background: #f8f9ff;
  outline: none;
  transform: translateY(-1px);
}

.free-exam-option > b {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #f0f2f6;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
}

.free-exam-option > span {
  font-size: 13px;
  font-weight: 750;
  line-height: 1.55;
}

.free-exam-option > svg {
  position: absolute;
  right: 15px;
  width: 20px;
  height: 20px;
}

.free-exam-option.is-selected {
  border-color: #3157d5;
  background: #f4f6ff;
}

.free-exam-option.is-selected > b {
  background: #3157d5;
  color: #fff;
}

.free-exam-option.is-correct {
  border-color: #1e9e63;
  background: #eefaf4;
  color: #176d48;
}

.free-exam-option.is-correct > b {
  background: #1e9e63;
  color: #fff;
}

.free-exam-option.is-wrong {
  border-color: #dc6b62;
  background: #fff4f2;
  color: #a83d36;
}

.free-exam-option.is-wrong > b {
  background: #d55349;
  color: #fff;
}

.free-exam-answer-tip {
  margin-top: 15px;
  color: #7c879a;
  font-size: 11px;
  font-weight: 700;
}

.free-exam-feedback {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 4px solid;
  border-radius: 6px 14px 14px 6px;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
}

.free-exam-feedback.is-correct {
  border-color: #1e9e63;
  background: #edf9f3;
  color: #176c49;
}

.free-exam-feedback.is-wrong {
  border-color: #e0922f;
  background: #fff7e9;
  color: #7b5317;
}

.free-exam-feedback > span {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(255, 255, 255, .7);
  display: grid;
  place-items: center;
}

.free-exam-feedback svg {
  width: 19px;
  height: 19px;
}

.free-exam-feedback strong {
  font-size: 13px;
  font-weight: 900;
}

.free-exam-feedback p {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.6;
}

.free-exam-question-actions {
  margin-top: 18px;
  display: grid;
  grid-template-columns: auto minmax(210px, 1fr);
  gap: 12px;
}

.free-exam-question-actions .button {
  min-height: 52px;
  border-radius: 13px;
}

.free-exam-question-actions .button.primary {
  justify-self: end;
  min-width: 230px;
}

.free-exam-result-shell {
  display: grid;
  gap: 22px;
}

.free-exam-result-hero,
.free-exam-analysis,
.free-exam-roadmap,
.free-exam-account-cta {
  border: 1px solid #dfe5ef;
  border-radius: 22px;
  background: #fff;
}

.free-exam-result-hero {
  margin-top: 26px;
  padding: clamp(26px, 5vw, 48px);
  background: linear-gradient(135deg, #fff 0%, #f3f6ff 100%);
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  gap: clamp(26px, 5vw, 52px);
}

.free-exam-result-ring {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: conic-gradient(#3157d5 var(--score), #dfe5f0 0);
  display: grid;
  place-items: center;
  box-shadow: 0 15px 40px rgba(49, 87, 213, .16);
}

.free-exam-result-ring::before {
  content: "";
  grid-area: 1 / 1;
  width: 138px;
  height: 138px;
  border-radius: 50%;
  background: #fff;
}

.free-exam-result-ring > span {
  z-index: 1;
  grid-area: 1 / 1;
  display: grid;
  justify-items: center;
}

.free-exam-result-ring strong {
  color: #1d347e;
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
}

.free-exam-result-ring small {
  margin-top: 6px;
  color: #6d7890;
  font-size: 10px;
  font-weight: 800;
}

.free-exam-result-copy h1 {
  margin-top: 8px;
  font-size: clamp(29px, 4vw, 44px);
}

.free-exam-result-copy > p:not(.free-exam-eyebrow) {
  max-width: 680px;
  margin-top: 11px;
  color: #5e6a81;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.65;
}

.free-exam-result-stats {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.free-exam-result-stats span {
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid #e0e5ef;
  border-radius: 12px;
  background: #fff;
  color: #69758a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 750;
}

.free-exam-result-stats b {
  color: #27334b;
  font-size: 13px;
}

.free-exam-analysis,
.free-exam-roadmap {
  padding: clamp(24px, 4vw, 38px);
}

.free-exam-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.free-exam-section-head h2,
.free-exam-account-cta h2 {
  margin-top: 5px;
  color: #1a263d;
  font-size: clamp(21px, 2.7vw, 29px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.025em;
}

.free-exam-section-head > span {
  min-height: 34px;
  padding: 0 11px;
  border-radius: 999px;
  background: #f1f3f7;
  color: #69748a;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.free-exam-section-head > span svg {
  width: 17px;
  height: 17px;
}

.free-exam-skill-chart {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.free-exam-skill-chart article {
  padding: 17px;
  border: 1px solid #e3e7ef;
  border-radius: 15px;
  background: #fff;
}

.free-exam-skill-chart article:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.free-exam-skill-chart article > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.free-exam-skill-chart article div span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.free-exam-skill-chart article div strong,
.free-exam-skill-chart article div > b {
  font-size: 12px;
  font-weight: 900;
}

.free-exam-skill-chart article div > b {
  color: var(--skill-color);
}

.free-exam-skill-chart article > em {
  height: 9px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #e9edf3;
  display: block;
}

.free-exam-skill-chart article > em i {
  height: 100%;
  border-radius: inherit;
  background: var(--skill-color);
  display: block;
}

.free-exam-skill-chart article > p {
  margin-top: 10px;
  color: #707c91;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.55;
}

.free-exam-insight-pair {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.free-exam-insight-pair article {
  padding: 18px;
  border-radius: 15px;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
}

.free-exam-insight-pair article.is-strength {
  background: #ebf8f2;
  color: #176e4a;
}

.free-exam-insight-pair article.is-focus {
  background: #fff3e5;
  color: #8a5315;
}

.free-exam-insight-pair article > span {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .7);
  display: grid;
  place-items: center;
}

.free-exam-insight-pair svg {
  width: 22px;
  height: 22px;
}

.free-exam-insight-pair small {
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.free-exam-insight-pair h3 {
  margin-top: 2px;
  font-size: 15px;
  font-weight: 900;
}

.free-exam-insight-pair p {
  margin-top: 4px;
  color: currentColor;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.55;
  opacity: .82;
}

.free-exam-roadmap-steps {
  margin-top: 25px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 11px;
}

.free-exam-roadmap-steps article {
  position: relative;
  min-height: 180px;
  padding: 18px 16px;
  border: 1px solid #e0e5ee;
  border-radius: 15px;
  background: #fff;
  display: grid;
  grid-template-rows: 38px 1fr;
  gap: 12px;
}

.free-exam-roadmap-steps article > b {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: #eef2ff;
  color: #3157d5;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
}

.free-exam-roadmap-steps small {
  color: #3157d5;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.free-exam-roadmap-steps h3 {
  margin-top: 5px;
  color: #243148;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.4;
}

.free-exam-roadmap-steps p {
  margin-top: 8px;
  color: #707b8f;
  font-size: 10px;
  font-weight: 650;
  line-height: 1.6;
}

.free-exam-account-cta {
  padding: clamp(22px, 4vw, 34px);
  border-color: #ccd7f8;
  background: #eef3ff;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.free-exam-account-cta.is-signed-in {
  border-color: #cfe7dc;
  background: #effaf5;
}

.free-exam-account-cta > span {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: #fff;
  color: #3157d5;
  display: grid;
  place-items: center;
}

.free-exam-account-cta.is-signed-in > span {
  color: #1d8a5d;
}

.free-exam-account-cta > span svg {
  width: 26px;
  height: 26px;
}

.free-exam-account-cta h2 {
  font-size: clamp(18px, 2.3vw, 24px);
}

.free-exam-account-cta div > p:not(.free-exam-eyebrow) {
  max-width: 700px;
  margin-top: 6px;
  color: #617089;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.55;
}

.free-exam-account-cta .button {
  min-height: 50px;
  padding-inline: 18px;
  border-radius: 13px;
  white-space: nowrap;
}

.free-exam-result-actions {
  display: flex;
  justify-content: center;
}

.free-exam-result-actions .button {
  min-height: 44px;
  border-radius: 12px;
}

@media (max-width: 900px) {
  .free-exam-intro {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .free-exam-intro-copy {
    max-width: none;
  }

  .free-exam-preview {
    width: min(580px, 100%);
    justify-self: center;
  }

  .free-exam-roadmap-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .free-exam-account-cta {
    grid-template-columns: 54px 1fr;
  }

  .free-exam-account-cta .button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 680px) {
  .free-exam-shell,
  .free-exam-question-shell {
    width: min(100% - 24px, 1180px);
    padding-bottom: 28px;
  }

  .free-exam-header,
  .free-exam-header.is-compact {
    min-height: 62px;
  }

  .free-exam-logo {
    width: 36px;
    height: 36px;
  }

  .free-exam-brand strong {
    font-size: 12px;
  }

  .free-exam-brand small,
  .free-exam-save-status {
    font-size: 9px;
  }

  .free-exam-save-status {
    min-height: 30px;
    padding-inline: 9px;
  }

  .free-exam-save-status svg {
    display: none;
  }

  .free-exam-intro {
    padding-top: 36px;
  }

  .free-exam-intro h1 {
    font-size: clamp(31px, 10vw, 42px);
  }

  .free-exam-lead {
    font-size: 15px;
  }

  .free-exam-facts {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .free-exam-facts > span {
    grid-template-columns: 24px auto 1fr;
    align-items: center;
  }

  .free-exam-facts svg {
    grid-row: auto;
  }

  .free-exam-facts small {
    text-align: right;
  }

  .free-exam-main-action {
    width: 100%;
  }

  .free-exam-subject-strip {
    justify-content: flex-start;
  }

  .free-exam-progress-row {
    margin-top: 14px;
    grid-template-columns: 1fr auto;
    gap: 10px;
  }

  .free-exam-progress-row > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .free-exam-timer {
    min-width: 92px;
  }

  .free-exam-question-card {
    padding: 21px 16px;
    border-radius: 17px;
  }

  .free-exam-question-card h1 {
    font-size: 19px;
    line-height: 1.5;
  }

  .free-exam-options {
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .free-exam-option {
    min-height: 62px;
  }

  .free-exam-question-actions {
    position: sticky;
    bottom: 0;
    z-index: 3;
    margin-inline: -12px;
    padding: 10px 12px max(10px, env(safe-area-inset-bottom));
    background: rgba(245, 247, 251, .96);
    backdrop-filter: blur(10px);
    grid-template-columns: .72fr 1.28fr;
  }

  .free-exam-question-actions .button.primary {
    width: 100%;
    min-width: 0;
  }

  .free-exam-result-hero {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .free-exam-result-ring {
    width: 148px;
    height: 148px;
  }

  .free-exam-result-ring::before {
    width: 120px;
    height: 120px;
  }

  .free-exam-result-stats {
    justify-content: center;
  }

  .free-exam-section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .free-exam-skill-chart,
  .free-exam-insight-pair,
  .free-exam-roadmap-steps {
    grid-template-columns: 1fr;
  }

  .free-exam-skill-chart article:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .free-exam-roadmap-steps article {
    min-height: auto;
    grid-template-columns: 38px 1fr;
    grid-template-rows: none;
  }

  .free-exam-account-cta {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .free-exam-account-cta > span {
    justify-self: center;
  }

  .free-exam-account-cta .button {
    grid-column: auto;
    white-space: normal;
  }
}
/* Referral rewards */
.referral-card {
  display: grid;
  gap: 18px;
  border-color: #b9ded5;
  background: linear-gradient(135deg, #ffffff 0%, #f1fbf8 100%);
}

.referral-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.referral-balance {
  min-width: 128px;
  padding: 12px 16px;
  border: 1px solid #d5e5e0;
  border-radius: 16px;
  background: #fff;
  color: #63746f;
  text-align: center;
}

.referral-balance strong {
  display: block;
  color: #173b34;
  font-size: 28px;
  line-height: 1;
}

.referral-balance span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 800;
}

.referral-balance.has-credit {
  border-color: #f0c56b;
  background: #fff9e8;
}

.referral-balance.has-credit strong {
  color: #a65d00;
}

.referral-invited-note,
.vip-referral-offer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 15px;
  border: 1px solid #9dd7ca;
  border-radius: 14px;
  background: #eaf8f4;
  color: #22564d;
  font-size: 13px;
  line-height: 1.55;
}

.vip-referral-offer[hidden] {
  display: none;
}

.vip-referral-offer svg,
.referral-invited-note svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
}

.vip-referral-offer div {
  display: grid;
  gap: 2px;
}

.vip-referral-offer strong,
.vip-referral-offer span {
  display: block;
}

.referral-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: end;
  gap: 10px;
}

.referral-link-field {
  min-width: 0;
}

.referral-link-field input {
  width: 100%;
  text-overflow: ellipsis;
}

.referral-status-note {
  margin: 0;
}

.vip-plan-option.is-referral-discount {
  border-color: #0e9686;
  box-shadow: inset 0 0 0 1px #0e9686;
}

.vip-plan-option.is-referral-discount .vip-plan-price > em {
  color: #0b7569;
  background: #dff5ef;
}

@media (max-width: 720px) {
  .referral-card-head {
    display: grid;
  }

  .referral-balance {
    width: 100%;
  }

  .referral-link-row {
    grid-template-columns: 1fr 1fr;
  }

  .referral-link-field {
    grid-column: 1 / -1;
  }
}

/* Keep both homepage actions visible and comfortably sized on mobile. */
@media (max-width: 760px) {
  .auth-shell--kids .auth-nav {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding-inline: 12px;
  }

  .auth-shell--kids .auth-brand {
    min-width: 0;
    gap: 6px;
  }

  .auth-shell--kids .auth-brand span:last-child {
    min-width: 0;
  }

  .auth-shell--kids .auth-brand .brand-mark {
    width: 36px;
    height: 36px;
  }

  .auth-shell--kids .auth-brand strong {
    font-size: 13px;
    line-height: 1.2;
    white-space: normal;
  }

  .auth-shell--kids .auth-nav-actions {
    gap: 6px;
  }

  .auth-shell--kids .auth-nav-cta,
  .auth-shell--kids .auth-login-link {
    flex: 0 0 auto;
    min-height: 42px;
    padding-inline: 8px;
    font-size: 11px;
    white-space: nowrap;
  }

  .auth-shell--kids .auth-nav-cta {
    order: 1;
    width: auto;
    max-width: none;
  }

  .auth-shell--kids .auth-login-link {
    order: 2;
    display: inline-flex;
    border: 1px solid #cbd5e1;
    border-radius: 14px;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--auth-navy);
  }
}

@media (max-width: 420px) {
  .auth-shell--kids .auth-brand {
    gap: 4px;
  }

  .auth-shell--kids .auth-brand .brand-mark {
    width: 32px;
    height: 32px;
  }

  .auth-shell--kids .auth-brand strong {
    font-size: 12px;
  }

  .auth-shell--kids .auth-nav-cta,
  .auth-shell--kids .auth-login-link {
    padding-inline: 6px;
    font-size: 10px;
  }
}
.life-skill-lesson-card.is-vip-locked {
  border-color: #ddd6fe;
  background: #faf8ff;
}

.life-skill-lesson-card.is-vip-locked:hover,
.life-skill-lesson-card.is-vip-locked:focus-visible {
  border-color: #7c3aed;
  outline-color: rgba(124, 58, 237, 0.2);
}

.life-skill-lesson-card.is-vip-locked .finance-lesson-order,
.life-skill-lesson-card.is-vip-locked .psychology-lesson-order {
  background: #ede9fe;
  color: #6d28d9;
}

.life-skill-lesson-card.is-vip-locked .finance-lesson-action,
.life-skill-lesson-card.is-vip-locked .psychology-lesson-action {
  color: #6d28d9;
}

.life-skill-access-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 850;
  line-height: 1.4;
}

.life-skill-access-badge.is-free {
  background: #dcfce7;
  color: #166534;
}

.finance-club-app .button:disabled,
.psychology-club-app .button:disabled,
.philosophy-club-app .button:disabled,
.communication-club-app .button:disabled,
.study-skills-club-app .button:disabled,
.critical-thinking-club-app .button:disabled,
.growth-mindset-club-app .button:disabled,
.extended-life-skills-app .button:disabled {
  background: #e2e8f0;
  color: #334155;
  opacity: 1;
  box-shadow: none;
}

/* Homepage art direction — warm study notebook with hand-drawn ink edges. */
html:not([data-theme="dark"]) {
  --home-sketch-ink: #171716;
  --home-sketch-paper: #fffdf4;
  --home-sketch-cream: #f5eddc;
  --home-sketch-mint: #bdd5ce;
  --home-sketch-mint-dark: #5d8c7d;
  --home-sketch-yellow: #f3c95f;
  --home-sketch-coral: #e98c72;
  --home-sketch-blue: #7897c9;
  --home-sketch-shadow: 7px 8px 0 var(--home-sketch-ink);
  --home-sketch-shadow-sm: 4px 5px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .app-main-column:has(.today-topbar) {
  background: #e8efea;
}

html:not([data-theme="dark"]) .app-main-column:has(.today-topbar) .subject-switcher-shell {
  border-bottom: 3px solid var(--home-sketch-ink);
  background: rgba(255, 253, 244, 0.96);
  box-shadow: none;
}

html:not([data-theme="dark"]) .app-main-column:has(.today-topbar) .subject-switcher-context > span,
html:not([data-theme="dark"]) .app-main-column:has(.today-topbar) .subject-switcher-trigger {
  border: 2px solid var(--home-sketch-ink);
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .app-main-column:has(.today-topbar) .subject-switcher-context > span {
  border-radius: 12px 9px 13px 10px;
  box-shadow: 2px 3px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .app-main-column:has(.today-topbar) .subject-switcher-trigger {
  border-radius: 15px 12px 16px 13px;
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) {
  max-width: 1480px;
  padding-top: 38px;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .profile {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 20px 16px 22px 17px;
  background: var(--home-sketch-paper);
  box-shadow: var(--home-sketch-shadow-sm);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-chip {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 18px 15px 19px 16px;
  background: var(--home-sketch-mint);
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-chip-icon {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 11px 9px 12px 10px;
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-chip-progress {
  height: 7px;
  border: 2px solid var(--home-sketch-ink);
  background: var(--home-sketch-paper);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-chip-progress i {
  border-radius: 0;
  background: var(--home-sketch-coral);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .profile .avatar {
  border: 2px solid var(--home-sketch-ink);
  background: #f4d7d0;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .signout-button {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 11px 9px 12px 10px;
  background: #e5e2d8;
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-kicker,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-eyebrow,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-support-label,
html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group-eyebrow {
  color: var(--home-sketch-mint-dark);
  font-weight: 900;
  letter-spacing: 0.035em;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-greeting h1,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-catalog-title h2,
html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group-copy h2,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-copy h2,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-support-card h2 {
  color: var(--home-sketch-ink);
  letter-spacing: -0.035em;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-support-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group {
  border: 3px solid var(--home-sketch-ink);
  box-shadow: var(--home-sketch-shadow);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-card {
  min-height: 430px;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.54fr);
  align-items: end;
  overflow: hidden;
  padding: clamp(26px, 3.2vw, 42px);
  border-radius: 28px 22px 30px 24px;
  background: var(--home-sketch-paper);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-copy {
  position: relative;
  z-index: 2;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-copy h2 {
  max-width: 590px;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.1;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-copy > p {
  max-width: 560px;
  color: #4d504c;
  font-weight: 600;
}

.today-handdrawn-art {
  position: relative;
  z-index: 1;
  align-self: end;
  justify-self: end;
  width: min(100%, 340px);
  height: auto;
  margin: 0 -20px -28px 0;
  object-fit: contain;
  filter: saturate(0.96);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-meta span {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 999px 880px 950px 900px;
  background: #ffffff;
  color: var(--home-sketch-ink);
  font-weight: 800;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-meta svg {
  color: var(--home-sketch-mint-dark);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-activity {
  padding-left: 13px;
  border-left: 4px solid var(--home-sketch-coral);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-cta,
html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-chooser-button {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 14px 12px 15px 11px;
  background: var(--home-sketch-yellow);
  color: var(--home-sketch-ink);
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-cta:hover,
html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-cta:focus-visible,
html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-chooser-button:hover,
html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-chooser-button:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 5px 6px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-card {
  border-radius: 23px 29px 22px 27px;
  background: var(--home-sketch-mint);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-support-card {
  border-radius: 27px 21px 25px 22px;
  background: #f4d7d0;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-card-icon {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 13px 10px 14px 11px;
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .week-progress {
  height: 13px;
  border: 2px solid var(--home-sketch-ink);
  background: var(--home-sketch-paper);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .week-progress i {
  border-radius: 0;
  background: var(--home-sketch-coral);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .week-days i {
  border-color: var(--home-sketch-ink);
  background: var(--home-sketch-paper);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .week-days .is-done i {
  background: var(--home-sketch-mint-dark);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .week-days .is-today i {
  border-color: var(--home-sketch-ink);
  box-shadow: 2px 2px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .today-support-card .button {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 12px 14px 11px 13px;
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
  box-shadow: 3px 3px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-course-library {
  margin-top: 52px;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group {
  border-width: 2.5px;
  border-radius: 25px 20px 27px 22px;
  background: var(--home-sketch-paper);
  box-shadow: var(--home-sketch-shadow-sm);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group--thinking {
  background: #f2d88e;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group--english {
  background: #bcd7d0;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group-index {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 13px 10px 14px 11px;
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
  box-shadow: 2px 3px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group-count {
  border: 2px solid var(--home-sketch-ink);
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-summary {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 19px 15px 20px 16px;
  background: #e2ebe6;
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring {
  border: 2px solid var(--home-sketch-ink);
  background: conic-gradient(var(--home-sketch-mint-dark) var(--ring-progress), var(--home-sketch-paper) 0);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring::before {
  border: 2px solid var(--home-sketch-ink);
  background: var(--home-sketch-paper);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-score-prediction {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 15px 12px 16px 13px;
  background: var(--home-sketch-paper);
}

/* Progress summary refresh: calm, structured, and easier for children to scan. */
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey {
  --progress-blue: #2166e8;
  --progress-ink: #17233f;
  --progress-muted: #64718b;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid #d9e5fb;
  border-radius: 28px;
  background: linear-gradient(145deg, #f7faff 0%, #eef5ff 100%);
  box-shadow: 0 18px 42px rgba(43, 82, 145, 0.11);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey .learning-group-head--tdn-progress {
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  align-items: end;
  margin-bottom: 24px;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey .learning-group-index {
  border: 0;
  border-radius: 14px;
  background: #dceaff;
  color: var(--progress-blue);
  box-shadow: none;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey .learning-group-eyebrow,
html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey .learning-group-copy h2 {
  color: var(--progress-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey .learning-group-eyebrow {
  color: var(--progress-blue);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-summary {
  grid-column: 2;
  grid-template-columns: 112px minmax(0, 1fr) minmax(150px, 0.42fr);
  grid-template-areas: "ring forecast score";
  gap: 18px;
  padding: 14px 16px;
  border: 1px solid #c7d9fb;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 22px rgba(43, 82, 145, 0.08);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-summary:hover {
  border-color: #8eb5f8;
  box-shadow: 0 14px 28px rgba(43, 82, 145, 0.14);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring {
  width: 112px;
  height: 112px;
  border: 0;
  background: conic-gradient(var(--progress-blue) var(--ring-progress), #e4edfc 0);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring::before {
  inset: 10px;
  border: 0;
  background: #fff;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring strong,
html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-score-summary strong,
html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-score-history-link {
  color: var(--progress-blue);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-forecast > strong {
  color: var(--progress-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-score-prediction {
  min-height: 112px;
  border: 1px solid #d5e2f9;
  border-radius: 18px;
  background: #f7faff;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-strip {
  margin-bottom: 22px;
  padding: 14px 16px;
  border: 1px solid #d5e2f9;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 8px 22px rgba(43, 82, 145, 0.06);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-kicker {
  color: var(--progress-muted);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-kicker svg,
html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-day.is-today small {
  color: var(--progress-blue);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-today strong,
html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-week-head strong {
  color: var(--progress-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-bar {
  background: #e4edfc;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-bar i,
html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-day.is-filled .tdn-pace-dot {
  background: var(--progress-blue);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-day.is-filled .tdn-pace-dot {
  border-color: var(--progress-blue);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-dot {
  border-color: #b7ccf6;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-day.is-partial .tdn-pace-dot {
  background: #9fc0f8;
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-day.is-today .tdn-pace-dot {
  box-shadow: 0 0 0 3px rgba(33, 102, 232, 0.22);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-today.is-met .tdn-pace-bar i {
  background: var(--green);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-pace-today.is-met .tdn-pace-kicker svg {
  color: var(--green);
}

@media (max-width: 720px) {
  html:not([data-theme="dark"]) .main:has(.today-topbar) .home-primary-journey .learning-group-head--tdn-progress {
    grid-template-columns: 1fr;
  }

  html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-summary {
    grid-column: 1;
    grid-template-columns: 80px minmax(0, 1fr);
    grid-template-areas:
      "ring score"
      "forecast forecast";
    gap: 12px;
    padding: 14px;
  }

  html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring {
    width: 80px;
    height: 80px;
  }

  html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-group-progress-ring::before {
    inset: 8px;
  }

  html:not([data-theme="dark"]) .main:has(.today-topbar) .tdn-score-prediction {
    min-height: 80px;
    width: 100%;
    padding: 8px 12px;
  }
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .thinking-math-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .ket-home-card,
html:not([data-theme="dark"]) .main:has(.today-topbar) .simple-past-home,
html:not([data-theme="dark"]) .main:has(.today-topbar) .english-words-home {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 18px 15px 20px 16px;
  background: var(--home-sketch-paper);
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-card:hover,
html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-card:focus-visible,
html:not([data-theme="dark"]) .main:has(.today-topbar) .thinking-math-card:hover,
html:not([data-theme="dark"]) .main:has(.today-topbar) .thinking-math-card:focus-visible,
html:not([data-theme="dark"]) .main:has(.today-topbar) .ket-home-card:hover,
html:not([data-theme="dark"]) .main:has(.today-topbar) .ket-home-card:focus-within {
  border-color: var(--home-sketch-ink);
  transform: translate(-2px, -2px) rotate(-0.15deg);
  box-shadow: 6px 7px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .main:has(.today-topbar) .progress-bar,
html:not([data-theme="dark"]) .main:has(.today-topbar) .simple-past-home-progress,
html:not([data-theme="dark"]) .main:has(.today-topbar) .english-words-progress {
  border: 1.5px solid var(--home-sketch-ink);
  background: #ffffff;
}

/* Public homepage uses the same hand-drawn study-notebook system. */
html:not([data-theme="dark"]) .auth-shell--kids {
  --auth-navy: var(--home-sketch-ink);
  --auth-slate: #50544f;
  --auth-border: var(--home-sketch-ink);
  background: var(--home-sketch-mint);
}

html:not([data-theme="dark"]) .auth-shell--kids .auth-nav {
  border-bottom: 3px solid var(--home-sketch-ink);
  background: rgba(255, 253, 244, 0.96);
  backdrop-filter: none;
}

html:not([data-theme="dark"]) .auth-landing--kids {
  gap: clamp(44px, 6vw, 74px);
}

html:not([data-theme="dark"]) .auth-roadmap-preview,
html:not([data-theme="dark"]) .auth-kids-hero--page1,
html:not([data-theme="dark"]) .auth-subject-menu,
html:not([data-theme="dark"]) .auth-content-library,
html:not([data-theme="dark"]) .auth-interactive-demo,
html:not([data-theme="dark"]) .auth-parent-proof,
html:not([data-theme="dark"]) .auth-signup-section--kids {
  border: 3px solid var(--home-sketch-ink);
  border-radius: 30px 24px 32px 25px;
  background: var(--home-sketch-paper);
  box-shadow: var(--home-sketch-shadow);
}

html:not([data-theme="dark"]) .auth-roadmap-preview-figure,
html:not([data-theme="dark"]) .auth-product-mockup,
html:not([data-theme="dark"]) .auth-parent-report,
html:not([data-theme="dark"]) .auth-card--conversion {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 20px 16px 22px 17px;
  background: #ffffff;
  box-shadow: var(--home-sketch-shadow-sm);
}

html:not([data-theme="dark"]) .auth-kids-hero--page1 {
  position: relative;
  padding: clamp(24px, 4vw, 44px);
  overflow: hidden;
  background: #f3d98f;
}

.auth-handdrawn-sticker {
  position: absolute;
  z-index: 2;
  right: -52px;
  bottom: -58px;
  width: clamp(150px, 18vw, 250px);
  height: auto;
  pointer-events: none;
}

html:not([data-theme="dark"]) .auth-kids-hero--page1 .auth-product-mockup {
  position: relative;
  z-index: 1;
  transform: rotate(0.6deg);
}

html:not([data-theme="dark"]) .auth-trust-strip {
  border: 3px solid var(--home-sketch-ink);
  border-radius: 18px 14px 20px 15px;
  background: #f3d2c9;
  box-shadow: var(--home-sketch-shadow-sm);
}

html:not([data-theme="dark"]) .auth-trust-strip span {
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-hero-badge,
html:not([data-theme="dark"]) .auth-subject-menu-nav a {
  border: 2px solid var(--home-sketch-ink);
  background: var(--home-sketch-yellow);
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-subject-group + .auth-subject-group {
  border-top: 3px solid var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-subject-group-number,
html:not([data-theme="dark"]) .auth-subject-card-icon {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 13px 10px 14px 11px;
  background: var(--subject-soft, var(--home-sketch-cream));
  color: var(--home-sketch-ink);
  box-shadow: 2px 3px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-subject-card {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 20px 16px 22px 17px;
  background: #ffffff;
  box-shadow: var(--home-sketch-shadow-sm);
}

html:not([data-theme="dark"]) .auth-subject-card:nth-child(2n) {
  transform: rotate(0.35deg);
}

html:not([data-theme="dark"]) .auth-subject-card:nth-child(3n) {
  transform: rotate(-0.3deg);
}

html:not([data-theme="dark"]) .auth-subject-outcome {
  border: 1.5px solid var(--home-sketch-ink);
  border-radius: 13px 10px 14px 11px;
  background: var(--subject-soft);
}

html:not([data-theme="dark"]) .auth-subject-outcome > span {
  border: 1.5px solid var(--home-sketch-ink);
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-subject-menu-action,
html:not([data-theme="dark"]) .auth-content-stats span,
html:not([data-theme="dark"]) .auth-content-catalog article,
html:not([data-theme="dark"]) .auth-content-path li {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 17px 14px 19px 15px;
  background: #ffffff;
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-shell--kids .button.primary,
html:not([data-theme="dark"]) .auth-shell--kids .auth-nav-cta {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 9999px;
  background: #2563eb;
  color: #ffffff;
  box-shadow: 3px 3px 0 #000000;
}

html:not([data-theme="dark"]) .auth-shell--kids .button.secondary,
html:not([data-theme="dark"]) .auth-secondary-cta,
html:not([data-theme="dark"]) .auth-login-link {
  border: 2px solid var(--home-sketch-ink);
  border-radius: 14px 11px 15px 12px;
  background: var(--home-sketch-paper);
  color: var(--home-sketch-ink);
  box-shadow: 3px 4px 0 var(--home-sketch-ink);
}

html:not([data-theme="dark"]) .auth-shell--kids .auth-login-link {
  min-width: 116px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: #ffffff;
  color: #1e3a8a;
  border-color: #000000;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  white-space: nowrap;
}

html:not([data-theme="dark"]) .auth-shell--kids .auth-nav-cta:hover,
html:not([data-theme="dark"]) .auth-shell--kids .auth-nav-cta:focus-visible {
  background: #1d4ed8;
  color: #ffffff;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 #000000;
  outline: none;
}

html:not([data-theme="dark"]) .auth-shell--kids .auth-login-link:hover,
html:not([data-theme="dark"]) .auth-shell--kids .auth-login-link:focus-visible {
  background: #f8fafc;
  color: #1e3a8a;
  outline: none;
  outline-offset: 2px;
}

@media (max-width: 1100px) {
  html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-card {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 0.42fr);
  }

  .today-handdrawn-art {
    width: min(100%, 260px);
  }
}

@media (max-width: 760px) {
  html:not([data-theme="dark"]) .main:has(.today-topbar) {
    padding-top: 24px;
  }

  html:not([data-theme="dark"]) .main:has(.today-topbar) .today-mission-card {
    min-height: 0;
    grid-template-columns: 1fr;
    padding: 24px 20px 16px;
    box-shadow: 5px 6px 0 var(--home-sketch-ink);
  }

  .today-handdrawn-art {
    width: min(72%, 230px);
    margin: -18px -6px -12px 0;
  }

  html:not([data-theme="dark"]) .main:has(.today-topbar) .today-week-card,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .today-support-card,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .learning-group,
  html:not([data-theme="dark"]) .auth-roadmap-preview,
  html:not([data-theme="dark"]) .auth-kids-hero--page1,
  html:not([data-theme="dark"]) .auth-subject-menu,
  html:not([data-theme="dark"]) .auth-content-library,
  html:not([data-theme="dark"]) .auth-interactive-demo,
  html:not([data-theme="dark"]) .auth-parent-proof,
  html:not([data-theme="dark"]) .auth-signup-section--kids {
    box-shadow: 5px 6px 0 var(--home-sketch-ink);
  }

  .auth-handdrawn-sticker {
    width: 138px;
    right: -38px;
    bottom: -34px;
  }

  html:not([data-theme="dark"]) .auth-shell--kids .auth-login-link {
    min-width: 0;
    min-height: 40px;
    padding-inline: 11px;
    border-width: 1.5px;
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-card:hover,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .subject-card:focus-visible,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .thinking-math-card:hover,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .thinking-math-card:focus-visible,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .ket-home-card:hover,
  html:not([data-theme="dark"]) .main:has(.today-topbar) .ket-home-card:focus-within {
    transform: none;
  }
}
/* Active reading gates for all Life Skills learning flows. */
.life-reading-check {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid #d7deee;
  border-radius: 18px;
  background: #f8faff;
}

.life-reading-check-heading {
  display: flex;
  align-items: flex-start;
  gap: 11px;
}

.life-reading-check-heading > span {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: #e8edff;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.life-reading-check-heading small {
  color: #66738c;
  font: 750 13px/1.4 "Be Vietnam Pro", sans-serif;
}

.life-reading-check-heading h2 {
  margin: 3px 0 0;
  color: #25324b;
  font: 800 21px/1.45 "Be Vietnam Pro", sans-serif;
}

.life-reading-check-options {
  margin-top: 14px;
  display: grid;
  gap: 9px;
}

.life-reading-check-options button {
  width: 100%;
  min-height: 50px;
  padding: 10px 12px;
  border: 1px solid #d7ddec;
  border-radius: 13px;
  background: #fff;
  color: #33415d;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  cursor: pointer;
  font-family: "Be Vietnam Pro", sans-serif;
}

.life-reading-check-options button:not(:disabled):hover,
.life-reading-check-options button:not(:disabled):focus-visible {
  border-color: #5573d7;
  outline: 3px solid rgba(85, 115, 215, 0.14);
}

.life-reading-check-options button > span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #edf0f7;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 800;
}

.life-reading-check-options button strong {
  font-size: 15px;
  line-height: 1.5;
}

.life-reading-check-options button.is-wrong {
  border-color: #e6a59d;
  background: #fff1ef;
}

.life-reading-check-options button.is-correct {
  border-color: #67b69f;
  background: #e9f8f3;
}

.life-reading-check-status {
  margin: 12px 0 0;
  color: #64718a;
  font: 600 14px/1.55 "Be Vietnam Pro", sans-serif;
}

.life-question-reading-timer {
  margin: 15px 0;
  padding: 13px 14px;
  border: 1px solid #d5dcef;
  border-radius: 14px;
  background: #f5f7ff;
  color: #40506e;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 10px;
}

.life-question-reading-timer strong {
  color: #2c3b59;
  font-size: 15px;
}

.life-question-reading-timer p {
  margin: 3px 0 0 !important;
  color: #62708a !important;
  font-size: 13px !important;
  line-height: 1.5 !important;
}

.life-question-reading-timer > i {
  grid-column: 1 / -1;
  height: 5px;
  border-radius: 999px;
  overflow: hidden;
  background: #dfe4f2;
}

.life-question-reading-timer > i span {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: #5573d7;
  transition: width 900ms linear;
}

.life-question-reading-timer button {
  min-height: 44px;
  margin-top: 9px;
  padding: 8px 13px;
  border: 0;
  border-radius: 12px;
  background: #405fc6;
  color: white;
  cursor: pointer;
  font: 750 14px/1.4 "Be Vietnam Pro", sans-serif;
}

.psychology-answer-grid.is-reading-locked,
.finance-answer-grid.is-reading-locked,
.life-reasoning-options.is-reading-locked {
  opacity: 0.28;
  filter: blur(1.5px);
  pointer-events: none;
  user-select: none;
}

.life-reasoning-bridge {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 20px;
  padding: 20px;
  border: 1.5px solid #a7dfc1;
  border-radius: 18px;
  background: #f1fbf5;
  color: #214f37;
}

.life-reasoning-bridge > span {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  background: #d9f5e4;
  font-size: 22px;
}

.life-reasoning-bridge strong {
  font-size: 18px;
}

.life-reasoning-bridge p {
  margin: 5px 0 14px;
  font-size: 16px;
  line-height: 1.6;
}

.life-reasoning-bridge button {
  min-height: 44px;
  padding: 10px 16px;
  border: 0;
  border-radius: 12px;
  background: #167847;
  color: #fff;
  cursor: pointer;
  font: 750 15px/1.4 "Be Vietnam Pro", sans-serif;
}

.life-question-report {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #dbe2ee;
}

.life-question-report-toggle {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid #cfd8e8;
  border-radius: 12px;
  background: #fff;
  color: #53627a;
  cursor: pointer;
  font: 700 14px/1.4 "Be Vietnam Pro", sans-serif;
}

.life-question-report.is-submitted .life-question-report-toggle {
  border-color: #9dd8b7;
  background: #effaf4;
  color: #24633f;
}

.life-question-report-panel {
  margin-top: 12px;
  padding: 18px;
  border: 1px solid #d7dfed;
  border-radius: 16px;
  background: #f8faff;
}

.life-question-report-panel label,
.life-question-report-panel label > span {
  display: block;
}

.life-question-report-panel label > span {
  margin-bottom: 7px;
  color: #34435d;
  font-size: 14px;
  font-weight: 750;
}

.life-question-report-panel textarea {
  width: 100%;
  min-height: 92px;
  resize: vertical;
  padding: 12px 14px;
  border: 1px solid #c8d2e3;
  border-radius: 12px;
  background: #fff;
  color: #263651;
  font: 500 16px/1.55 "Be Vietnam Pro", sans-serif;
}

.life-question-report-file {
  margin-top: 14px;
}

.life-question-report-file input {
  max-width: 100%;
  color: #52617a;
  font: 500 14px/1.5 "Be Vietnam Pro", sans-serif;
}

.life-question-report-note,
.life-question-report-status {
  margin: 10px 0 0;
  color: #66758c;
  font-size: 13px;
  line-height: 1.5;
}

.life-question-report-status.is-error {
  color: #a42f3c;
  font-weight: 700;
}

.life-question-report-status.is-success {
  color: #24633f;
  font-weight: 700;
}

.life-question-report-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.life-question-report-actions button {
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid #c6d0e1;
  border-radius: 11px;
  background: #fff;
  color: #44536c;
  cursor: pointer;
  font: 700 14px/1.4 "Be Vietnam Pro", sans-serif;
}

.life-question-report-actions [data-life-report-submit] {
  border-color: #3157d5;
  background: #3157d5;
  color: #fff;
}

.life-question-report-actions button:disabled {
  cursor: wait;
  opacity: 0.65;
}

@media (max-width: 640px) {
  .life-reading-check {
    padding: 14px;
  }

  .life-reading-check-heading h2 {
    font-size: 18px;
  }

  .life-reasoning-bridge,
  .life-question-report-panel {
    padding: 15px;
  }

  .life-question-report-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .life-question-report-actions button {
    width: 100%;
  }
}

/* AI improvement reports for completed Tran Dai Nghia exam sets. */
.tdn-ai-mark {
  display: grid;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 2px solid #29221a;
  border-radius: 15px;
  background: #f8d78b;
  color: #593d10;
  box-shadow: 3px 3px 0 #29221a;
  font-size: 25px;
  font-weight: 900;
}

.tdn-ai-overview {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  margin-top: 22px;
  padding: 22px 24px;
  border: 2px solid #29221a;
  border-radius: 22px 18px 24px 19px;
  background: #fff8e8;
  box-shadow: 5px 6px 0 #29221a;
}

.learning-ai-inline {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin: 14px 0 28px;
  padding: 18px 20px;
  border: 1px solid #fed7aa;
  border-radius: 18px;
  background: #fffbf5;
  box-shadow: 0 5px 16px rgba(24, 32, 51, 0.06);
}

.learning-ai-inline.is-subject {
  margin-top: 24px;
  border-width: 2px;
  background: #fff8e8;
}

.learning-ai-inline.is-ready {
  border-color: #a7d7ba;
  background: #f1faf5;
}

.learning-ai-inline.is-error {
  border-color: #e8aaa3;
  background: #fff5f3;
}

.learning-ai-inline.is-locked {
  border-color: #d9e0eb;
  background: #f8fafc;
  box-shadow: none;
}

.learning-ai-inline .tdn-ai-mark {
  width: 44px;
  height: 44px;
  flex-basis: 44px;
  border: 1px solid #fed7aa;
  border-radius: 14px;
  background: #fff7ed;
  color: #9a4d0b;
  box-shadow: none;
  font-size: 21px;
}

.learning-ai-inline.is-locked .tdn-ai-mark {
  border-color: #d9e0eb;
  background: #eef2f7;
  color: #718096;
}

.learning-ai-inline-copy {
  min-width: 0;
}

.learning-ai-inline .section-eyebrow {
  color: #9a4d0b;
  font-size: 11px;
}

.learning-ai-inline.is-locked .section-eyebrow {
  color: #64748b;
}

.learning-ai-inline h3 {
  margin: 2px 0 5px;
  color: #182033;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 850;
  line-height: 1.3;
}

.learning-ai-inline p {
  margin: 0;
  color: #5f6b84;
  font-size: 13px;
  font-weight: 550;
  line-height: 1.55;
}

.learning-ai-inline > .button {
  min-height: 46px;
  white-space: nowrap;
}

.learning-ai-inline .tdn-ai-completion-priorities {
  margin-top: 12px;
}

.learning-ai-lock-status {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  color: #64748b;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.learning-ai-lock-status svg {
  width: 17px;
  height: 17px;
}

.learning-ai-inline-progress {
  height: 7px;
  margin-top: 11px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.learning-ai-inline-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #d97706;
}

.standalone-subject-main > .learning-ai-overview {
  width: min(1120px, calc(100% - 32px));
  margin: 24px auto 32px;
}

.ket-curriculum-shell > .learning-ai-overview {
  margin: 22px clamp(18px, 4vw, 48px);
}

.ket-result-card > .tdn-ai-completion {
  width: 100%;
  margin-block: 20px 8px;
}

.tdn-ai-overview > div:nth-child(2) {
  min-width: 0;
}

.tdn-ai-overview .section-eyebrow,
.tdn-ai-history-hero .section-eyebrow {
  color: #9a580b;
}

.tdn-ai-overview h2 {
  margin: 3px 0 5px;
  color: #27211c;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 900;
  line-height: 1.25;
}

.tdn-ai-overview p {
  margin: 0;
  color: #665c50;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
}

.tdn-ai-overview-action {
  display: grid;
  grid-template-columns: auto auto;
  gap: 0 7px;
  align-items: baseline;
  justify-items: end;
}

.tdn-ai-overview-action > strong {
  color: #c56709;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}

.tdn-ai-overview-action > span {
  color: #74685c;
  font-size: 12px;
  font-weight: 750;
}

.tdn-ai-overview-action .button {
  grid-column: 1 / -1;
  margin-top: 10px;
  white-space: nowrap;
}

.learning-ai-overview[data-learning-ai-overview="toan"] {
  width: min(1180px, 100%);
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 16px;
  margin: 18px auto 0;
  padding: 16px 18px;
  border: 1px solid #fed7aa;
  border-radius: 16px;
  background: #fffbf5;
  box-shadow: 0 4px 14px rgba(24, 32, 51, 0.045);
}

.learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-mark {
  width: 40px;
  height: 40px;
  flex-basis: 40px;
  border: 1px solid #fed7aa;
  border-radius: 13px;
  background: #fff7ed;
  color: #9a4d0b;
  box-shadow: none;
  font-size: 20px;
}

.learning-ai-overview[data-learning-ai-overview="toan"] .section-eyebrow {
  margin-bottom: 2px;
  color: #9a4d0b;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.learning-ai-overview[data-learning-ai-overview="toan"] h2 {
  margin: 0 0 3px;
  color: #182033;
  font-size: clamp(18px, 2vw, 20px);
  font-weight: 800;
}

.learning-ai-overview[data-learning-ai-overview="toan"] p {
  color: #5f6b84;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}

.learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-overview-action > strong {
  color: #9a4d0b;
  font-size: 22px;
}

.learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-overview-action > span {
  color: #5f6b84;
  font-weight: 600;
}

.learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-overview-action .button {
  min-height: 44px;
  border: 1px solid #fed7aa;
  background: #ffffff;
  color: #9a4d0b;
  box-shadow: none;
}

.learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-overview-action .button:hover,
.learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-overview-action .button:focus-visible {
  border-color: #b45309;
  background: #fff7ed;
  outline: 3px solid rgba(180, 83, 9, 0.16);
  outline-offset: 2px;
}

.tdn-ai-completion {
  display: grid;
  gap: 15px;
  margin: 22px 0 4px;
  padding: 20px;
  border: 2px solid #29221a;
  border-radius: 20px 16px 22px 17px;
  background: #fff8e8;
  box-shadow: 4px 5px 0 #29221a;
  text-align: left;
}

.tdn-ai-completion.is-ready {
  background: #eef9f3;
}

.tdn-ai-completion.is-error {
  border-color: #9d3b39;
  background: #fff2f0;
  box-shadow: 4px 5px 0 #9d3b39;
}

.tdn-ai-completion > header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tdn-ai-completion > header > div {
  display: grid;
  gap: 2px;
}

.tdn-ai-completion > header span:not(.tdn-ai-mark) {
  color: #9a580b;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tdn-ai-completion h3,
.tdn-ai-next-session h3 {
  margin: 0;
  color: #28221d;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.3;
}

.tdn-ai-completion > p {
  margin: 0;
  color: #5f574e;
  font-size: 14px;
  line-height: 1.6;
}

.tdn-ai-completion > .button {
  justify-self: start;
}

.tdn-ai-completion-priorities {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.tdn-ai-completion-priorities > span {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border: 1.5px solid #b8d8c5;
  border-radius: 13px;
  background: #fff;
}

.tdn-ai-completion-priorities strong {
  color: #2c4537;
  font-size: 13px;
  font-weight: 850;
}

.tdn-ai-completion-priorities small {
  color: #65766c;
  font-size: 11px;
  font-weight: 650;
}

.tdn-ai-loading-bar {
  height: 9px;
  border: 1px solid #cda456;
  border-radius: 999px;
  background: #fff;
  overflow: hidden;
}

.tdn-ai-loading-bar i {
  width: 44%;
  height: 100%;
  border-radius: inherit;
  background: #d6851d;
  display: block;
  animation: tdn-ai-loading 1.2s ease-in-out infinite alternate;
}

@keyframes tdn-ai-loading {
  from { transform: translateX(-35%); }
  to { transform: translateX(165%); }
}

.tdn-ai-history-shell {
  max-width: 1120px;
}

.tdn-ai-history-hero {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin: 0 0 24px;
  padding: clamp(22px, 4vw, 36px);
  border: 2px solid #29221a;
  border-radius: 25px 20px 27px 21px;
  background: #fff8e8;
  box-shadow: 6px 7px 0 #29221a;
}

.tdn-ai-history-hero > div {
  min-width: 0;
}

.tdn-ai-history-hero h1 {
  max-width: 760px;
  margin: 4px 0 10px;
  color: #27211c;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.tdn-ai-history-hero p:last-child {
  max-width: 760px;
  margin: 0;
  color: #665c50;
  font-size: 15px;
  line-height: 1.65;
}

.tdn-ai-report-list {
  display: grid;
  gap: 18px;
}

.tdn-ai-report {
  border: 2px solid #302922;
  border-radius: 20px 16px 22px 17px;
  background: #fff;
  box-shadow: 4px 5px 0 #302922;
  overflow: hidden;
}

.tdn-ai-report > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  min-height: 90px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.tdn-ai-report > summary::-webkit-details-marker {
  display: none;
}

.tdn-ai-report[open] > summary {
  border-bottom: 2px solid #302922;
  background: #fff8e8;
}

.tdn-ai-report-set {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 2px solid #302922;
  border-radius: 16px;
  background: #f7d787;
  color: #593d10;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.tdn-ai-report-main,
.tdn-ai-report-score {
  display: grid;
  gap: 4px;
}

.tdn-ai-report-main strong {
  color: #28221d;
  font-size: 18px;
  font-weight: 900;
}

.tdn-ai-report-main small,
.tdn-ai-report-score small {
  color: #70665c;
  font-size: 11px;
  font-weight: 650;
}

.tdn-ai-report-score {
  justify-items: end;
}

.tdn-ai-report-score strong {
  color: #c56709;
  font-size: 25px;
  font-weight: 900;
}

.tdn-ai-report-chevron {
  color: #6d6258;
  font-size: 24px;
  transition: transform 160ms ease;
}

.tdn-ai-report[open] .tdn-ai-report-chevron {
  transform: rotate(180deg);
}

.tdn-ai-report-body {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 28px);
  background: #f7f3ea;
}

.tdn-ai-report-summary {
  padding: 18px 20px;
  border: 1.5px solid #d8cbb7;
  border-radius: 16px;
  background: #fff;
}

.tdn-ai-report-summary > span,
.tdn-ai-next-session > div > span {
  color: #9a580b;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tdn-ai-report-summary h2 {
  margin: 5px 0 8px;
  color: #2d2721;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 850;
  line-height: 1.45;
}

.tdn-ai-report-summary p,
.tdn-ai-next-session p {
  margin: 0;
  color: #665d54;
  font-size: 13px;
  line-height: 1.6;
}

.tdn-ai-next-session {
  display: grid;
  grid-template-columns: minmax(190px, 0.4fr) minmax(0, 1fr);
  gap: 20px;
  padding: 18px 20px;
  border: 2px solid #315847;
  border-radius: 17px;
  background: #eaf7f0;
}

.tdn-ai-next-session ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
  color: #31473d;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.tdn-ai-next-session .button {
  margin-top: 12px;
  justify-self: start;
}

.adaptive-practice-hint {
  margin: 8px 0 0;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(24, 101, 242, 0.08);
  color: #1d4f91;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.tdn-ai-topic-list {
  display: grid;
  gap: 14px;
}

.tdn-ai-topic {
  padding: 20px;
  border: 1.5px solid #d4cbbc;
  border-left: 6px solid #c85e45;
  border-radius: 16px;
  background: #fff;
}

.tdn-ai-topic.is-dang-tien-bo {
  border-left-color: #d18a24;
}

.tdn-ai-topic.is-da-vung {
  border-left-color: #309167;
}

.tdn-ai-topic.is-focus {
  outline: 3px solid #f0cc74;
  outline-offset: 2px;
}

.tdn-ai-topic > header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.tdn-ai-topic > header > div:first-child > span {
  color: #8b7662;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tdn-ai-topic h3 {
  margin: 3px 0 0;
  color: #2c2620;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.3;
}

.tdn-ai-topic-score {
  display: grid;
  flex: none;
  justify-items: end;
}

.tdn-ai-topic-score strong {
  color: #b95139;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.tdn-ai-topic.is-dang-tien-bo .tdn-ai-topic-score strong { color: #b36b0c; }
.tdn-ai-topic.is-da-vung .tdn-ai-topic-score strong { color: #237c56; }

.tdn-ai-topic-score span {
  margin-top: 4px;
  color: #73675c;
  font-size: 10px;
  font-weight: 800;
}

.tdn-ai-diagnosis {
  margin: 14px 0 16px;
  color: #544c45;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.65;
}

.tdn-ai-topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tdn-ai-topic-grid section {
  padding: 14px;
  border-radius: 13px;
  background: #f6f2ea;
}

.tdn-ai-topic h4 {
  margin: 0 0 8px;
  color: #40372f;
  font-size: 12px;
  font-weight: 900;
}

.tdn-ai-topic ul,
.tdn-ai-topic ol {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 20px;
  color: #5f554d;
  font-size: 12px;
  line-height: 1.55;
}

.tdn-ai-topic-plan {
  display: grid;
  gap: 7px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid #d9d0c3;
  border-radius: 13px;
}

.tdn-ai-topic-plan p {
  margin: 0;
  color: #5d544c;
  font-size: 12px;
  line-height: 1.55;
}

.tdn-ai-topic-plan strong {
  color: #3d352e;
  font-weight: 850;
}

.tdn-ai-topic > footer {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 12px;
  color: #4d443c;
  font-size: 12px;
  line-height: 1.55;
}

.tdn-ai-topic > footer strong {
  flex: none;
  padding: 3px 7px;
  border-radius: 7px;
  background: #f4d98e;
  color: #644711;
  font-size: 10px;
  font-weight: 900;
}

@media (prefers-reduced-motion: reduce) {
  .tdn-ai-loading-bar i {
    animation: none;
    width: 70%;
  }
}

@media (max-width: 720px) {
  .learning-ai-inline {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 16px;
  }

  .learning-ai-inline > .button,
  .learning-ai-lock-status {
    grid-column: 1 / -1;
    justify-self: stretch;
  }

  .learning-ai-inline > .button {
    width: 100%;
  }

  .tdn-ai-overview {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 18px;
  }

  .tdn-ai-overview-action {
    grid-column: 1 / -1;
    grid-template-columns: auto 1fr auto;
    justify-items: start;
  }

  .tdn-ai-overview-action .button {
    grid-column: auto;
    grid-row: 1 / span 2;
    margin: 0 0 0 auto;
  }

  .learning-ai-overview[data-learning-ai-overview="toan"] {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
  }

  .learning-ai-overview[data-learning-ai-overview="toan"] .tdn-ai-overview-action {
    grid-column: 1 / -1;
  }

  .tdn-ai-completion-priorities,
  .tdn-ai-topic-grid,
  .tdn-ai-next-session {
    grid-template-columns: 1fr;
  }

  .tdn-ai-report > summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 11px;
    padding: 14px;
  }

  .tdn-ai-report-score {
    grid-column: 2;
    justify-items: start;
  }

  .tdn-ai-report-chevron {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .tdn-ai-history-hero {
    padding: 22px 18px;
  }
}

@media (max-width: 480px) {
  .tdn-ai-mark {
    flex-basis: 42px;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    font-size: 21px;
  }

  .tdn-ai-overview {
    gap: 15px 12px;
  }

  .tdn-ai-overview-action {
    grid-template-columns: auto 1fr;
  }

  .tdn-ai-overview-action .button {
    grid-column: 1 / -1;
    grid-row: auto;
    width: 100%;
    margin: 10px 0 0;
  }

  .tdn-ai-history-hero {
    display: grid;
  }

  .tdn-ai-completion,
  .tdn-ai-topic {
    padding: 16px;
  }

  .tdn-ai-completion > .button {
    width: 100%;
  }

  .tdn-ai-report-set {
    width: 50px;
    height: 50px;
  }

  .tdn-ai-report-main strong {
    font-size: 16px;
  }

  .tdn-ai-report-body {
    padding: 14px;
  }

  .tdn-ai-topic > header {
    gap: 10px;
  }
}

/* Public homepage: explain the parent-facing progress features one at a time. */
.auth-parent-story {
  scroll-margin-top: 92px;
  margin: clamp(42px, 6vw, 76px) 0;
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid #dce4ee;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 22px 60px rgba(31, 42, 55, 0.08);
  display: grid;
  gap: clamp(30px, 4vw, 46px);
}

.auth-parent-story-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.auth-parent-story-head > div {
  max-width: 800px;
  display: grid;
  gap: 12px;
}

.auth-parent-story-head .auth-hero-badge {
  justify-self: start;
  margin: 0;
}

.auth-parent-story-head h2 {
  margin: 0;
  color: #1d2939;
  font-size: clamp(30px, 3.6vw, 48px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.auth-parent-story-head p:last-child {
  max-width: 720px;
  margin: 0;
  color: #5f6f80;
  font-size: clamp(15px, 1.4vw, 17px);
  font-weight: 600;
  line-height: 1.65;
}

.auth-parent-story-list {
  display: grid;
  gap: 24px;
}

.auth-parent-feature {
  min-width: 0;
  padding: clamp(22px, 3.5vw, 42px);
  border: 1px solid #e1e7ef;
  border-radius: 24px;
  background: #fbfcfe;
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(420px, 1.18fr);
  grid-template-areas: "copy visual";
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.auth-parent-feature--reverse {
  grid-template-columns: minmax(420px, 1.08fr) minmax(280px, 0.92fr);
  grid-template-areas: "visual copy";
}

.auth-parent-feature--history {
  grid-template-columns: minmax(280px, 0.72fr) minmax(470px, 1.28fr);
}

.auth-parent-feature-copy {
  grid-area: copy;
  min-width: 0;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 14px;
}

.auth-parent-feature-step {
  min-height: 32px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #e9f0ff;
  color: #245fd4;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.auth-parent-feature-copy h3 {
  margin: 0;
  color: #1d2939;
  font-size: clamp(25px, 2.7vw, 36px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.auth-parent-feature-copy > p {
  margin: 0;
  color: #5f6f80;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
}

.auth-parent-feature-copy ul {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.auth-parent-feature-copy li {
  color: #344054;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.5;
}

.auth-parent-feature-copy li svg {
  width: 21px;
  height: 21px;
  padding: 4px;
  border-radius: 50%;
  background: #ddf4eb;
  color: #078568;
  stroke-width: 2.8;
}

.auth-parent-feature-copy .auth-parent-feature-note {
  padding: 10px 12px;
  border-left: 3px solid #f1b83b;
  border-radius: 0 9px 9px 0;
  background: #fff8e7;
  color: #71603d;
  font-size: 12px;
  line-height: 1.5;
}

.auth-parent-feature-visual {
  grid-area: visual;
  min-width: 0;
  margin: 0;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(29, 41, 57, 0.12);
  border-radius: 22px;
  box-shadow: 0 16px 36px rgba(31, 42, 55, 0.08);
}

.auth-parent-roadmap-preview {
  background: #dfece7;
  display: grid;
  gap: 22px;
}

.auth-parent-roadmap-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
}

.auth-parent-roadmap-preview figcaption {
  padding-top: 16px;
  border-top: 1px solid rgba(29, 41, 57, 0.14);
  color: #536861;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.5;
  text-align: center;
}

.auth-parent-score-preview {
  min-height: 370px;
  background: #dfece7;
  display: grid;
  place-content: center;
  gap: 18px;
}

.auth-parent-score-card {
  width: min(360px, 100%);
  min-height: 230px;
  padding: 28px;
  border: 2px solid #202725;
  border-radius: 28px;
  background: #fffdf5;
  box-shadow: 5px 6px 0 #202725;
  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
}

.auth-parent-score-card span {
  color: #20283b;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 900;
}

.auth-parent-score-card strong {
  color: #2563eb;
  font-size: clamp(58px, 7vw, 82px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.auth-parent-score-card b {
  color: #2563eb;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 850;
}

.auth-parent-score-card svg {
  width: 20px;
  height: 20px;
}

.auth-parent-score-evidence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.auth-parent-score-evidence span {
  padding: 11px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  color: #5b6c66;
  font-size: 11px;
  font-weight: 750;
  text-align: center;
}

.auth-parent-score-evidence b {
  color: #1d2939;
}

.auth-parent-history-button {
  margin-top: 4px;
  border: 1px solid #cfd8e5;
  background: #fff;
  color: #245fd4;
  cursor: pointer;
}

.auth-parent-history-preview {
  background: #fffdf5;
  display: grid;
  gap: 20px;
}

.auth-parent-history-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.auth-parent-history-head > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.auth-parent-history-head span {
  color: #138b73;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.auth-parent-history-head strong {
  color: #1d2523;
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.25;
}

.auth-parent-history-head .auth-parent-history-chip {
  flex: none;
  padding: 7px 10px;
  border-radius: 999px;
  background: #e7f3ee;
  color: #237865;
}

.auth-parent-history-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.auth-parent-history-stats > span {
  min-width: 0;
  padding: 13px 14px;
  border-radius: 13px;
  background: #edf2ff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 10px;
  align-items: end;
}

.auth-parent-history-stats > span:first-child {
  background: #e7f3ee;
}

.auth-parent-history-stats small {
  color: #5f6b76;
  font-size: 10px;
  font-weight: 850;
  text-transform: uppercase;
}

.auth-parent-history-stats strong {
  grid-row: 1 / span 2;
  grid-column: 2;
  color: #2563eb;
  font-size: 27px;
  line-height: 1;
}

.auth-parent-history-stats > span:first-child strong {
  color: #119178;
}

.auth-parent-history-stats b {
  color: #61706b;
  font-size: 10px;
}

.auth-parent-history-chart {
  width: 100%;
  height: auto;
  display: block;
}

.auth-parent-chart-grid path {
  fill: none;
  stroke: #dfe4e8;
  stroke-width: 1.5;
}

.auth-parent-chart-line {
  fill: none;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.auth-parent-chart-line--score {
  stroke: #2563eb;
}

.auth-parent-chart-line--progress {
  stroke: #119178;
}

.auth-parent-chart-labels {
  fill: #667085;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.auth-parent-history-preview figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  color: #606d76;
  font-size: 11px;
  font-weight: 800;
}

.auth-parent-history-preview figcaption span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.auth-parent-history-preview figcaption i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2563eb;
}

.auth-parent-history-preview figcaption i.is-progress {
  background: #119178;
}

.auth-parent-story-action {
  padding: 20px 22px;
  border-radius: 18px;
  background: #fff3cf;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.auth-parent-story-action > div {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.auth-parent-story-action strong {
  color: #1d2939;
  font-size: 16px;
  font-weight: 900;
}

.auth-parent-story-action span {
  color: #6a6250;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.auth-parent-story-action .button {
  flex: none;
}

@media (max-width: 960px) {
  .auth-parent-feature,
  .auth-parent-feature--reverse,
  .auth-parent-feature--history {
    grid-template-columns: 1fr;
    grid-template-areas: "copy" "visual";
  }

  .auth-parent-feature-copy {
    max-width: 680px;
  }

  .auth-parent-score-preview {
    min-height: 330px;
  }
}

@media (max-width: 640px) {
  .auth-parent-story {
    margin: 34px 0;
    padding: 18px 14px;
    border-radius: 22px;
    gap: 26px;
  }

  .auth-parent-story-head {
    display: grid;
    gap: 14px;
  }

  .auth-parent-story-head h2 {
    font-size: clamp(27px, 8vw, 34px);
  }

  .auth-parent-story-head .auth-progress-sample-label {
    justify-self: start;
  }

  .auth-parent-story-list {
    gap: 16px;
  }

  .auth-parent-feature {
    padding: 20px 16px;
    border-radius: 18px;
    gap: 22px;
  }

  .auth-parent-feature-copy h3 {
    font-size: 25px;
  }

  .auth-parent-feature-visual {
    padding: 18px 14px;
    border-radius: 16px;
  }

  .auth-parent-roadmap-row {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .auth-parent-roadmap-row .auth-progress-forecast {
    justify-items: center;
    text-align: center;
  }

  .auth-parent-score-preview {
    min-height: 300px;
  }

  .auth-parent-score-card {
    min-height: 210px;
    padding: 22px 16px;
  }

  .auth-parent-score-evidence,
  .auth-parent-history-stats {
    grid-template-columns: 1fr;
  }

  .auth-parent-history-preview {
    gap: 14px;
  }

  .auth-parent-history-chart {
    min-height: 180px;
  }

  .auth-parent-history-button {
    width: 100%;
  }

  .auth-parent-story-action {
    padding: 18px;
    align-items: stretch;
    flex-direction: column;
  }

  .auth-parent-story-action .button {
    width: 100%;
  }
}

/* Public homepage: AI analysis and recommended review topics. */
.auth-ai-proof {
  scroll-margin-top: 92px;
  margin: 0 0 clamp(42px, 6vw, 76px);
  padding: clamp(26px, 4vw, 50px);
  border: 1px solid #d7e0f2;
  border-radius: 28px;
  background: #edf3ff;
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(480px, 1.12fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: center;
}

.auth-ai-proof-copy {
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 15px;
}

.auth-ai-proof-copy .auth-hero-badge {
  margin: 0;
}

.auth-ai-proof-copy h2 {
  margin: 0;
  color: #1d2939;
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 900;
  line-height: 1.13;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.auth-ai-proof-copy > p:not(.auth-hero-badge):not(.auth-ai-proof-note) {
  margin: 0;
  color: #5d6b82;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
}

.auth-ai-flow {
  width: 100%;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.auth-ai-flow li {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid rgba(49, 87, 213, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
}

.auth-ai-flow li > strong {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #3157d5;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
}

.auth-ai-flow li > span {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.auth-ai-flow b {
  color: #24324a;
  font-size: 14px;
  font-weight: 900;
}

.auth-ai-flow small {
  color: #69778c;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

.auth-ai-proof-cta {
  margin-top: 3px;
}

.auth-ai-proof-copy .auth-ai-proof-note {
  margin: 0;
  color: #68758a;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.55;
}

.auth-ai-report-preview {
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid #d9e1ec;
  border-radius: 22px;
  background: #fffdf7;
  box-shadow: 0 20px 48px rgba(39, 55, 88, 0.12);
  display: grid;
  gap: 18px;
}

.auth-ai-report-head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 13px;
  align-items: center;
}

.auth-ai-spark {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: #3157d5;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 26px;
  line-height: 1;
}

.auth-ai-report-head > div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.auth-ai-report-head small {
  color: #3157d5;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.auth-ai-report-head h3 {
  margin: 0;
  color: #1d2939;
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 900;
  line-height: 1.25;
}

.auth-ai-sample-tag {
  padding: 7px 10px;
  border-radius: 999px;
  background: #e9f0ff;
  color: #3157d5;
  font-size: 10px;
  font-weight: 850;
}

.auth-ai-report-summary {
  padding: 15px 16px;
  border-radius: 14px;
  background: #f4f7fc;
  display: grid;
  gap: 7px;
}

.auth-ai-report-summary span {
  color: #3157d5;
  font-size: 11px;
  font-weight: 900;
}

.auth-ai-report-summary p {
  margin: 0;
  color: #46556d;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.55;
}

.auth-ai-topic-list {
  display: grid;
  gap: 10px;
}

.auth-ai-topic {
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid #e3e7ee;
  border-radius: 13px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px 14px;
  align-items: center;
}

.auth-ai-topic > span {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.auth-ai-topic > span b {
  color: #2c3749;
  font-size: 13px;
  font-weight: 850;
}

.auth-ai-topic > span small {
  color: #8f4a39;
  font-size: 10px;
  font-weight: 750;
}

.auth-ai-topic > strong {
  color: #bd5038;
  font-size: 17px;
  font-weight: 900;
}

.auth-ai-topic > i {
  grid-column: 1 / -1;
  overflow: hidden;
  height: 7px;
  border-radius: 999px;
  background: #edf0f4;
}

.auth-ai-topic > i b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #d6654d;
}

.auth-ai-topic.is-progress > span small,
.auth-ai-topic.is-progress > strong {
  color: #a96e0c;
}

.auth-ai-topic.is-progress > i b {
  background: #dca52f;
}

.auth-ai-topic.is-strong > span small,
.auth-ai-topic.is-strong > strong {
  color: #168167;
}

.auth-ai-topic.is-strong > i b {
  background: #1a9b7c;
}

.auth-ai-next-session {
  padding: 16px;
  border: 1px solid #d9d0b9;
  border-radius: 15px;
  background: #fff6dc;
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) minmax(220px, 1.1fr);
  gap: 16px;
  align-items: start;
}

.auth-ai-next-session > div {
  min-width: 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.auth-ai-next-session > div > span {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #f5cf65;
  color: #72510b;
  display: grid;
  place-items: center;
}

.auth-ai-next-session svg {
  width: 18px;
  height: 18px;
}

.auth-ai-next-session p {
  min-width: 0;
  margin: 0;
  display: grid;
  gap: 3px;
}

.auth-ai-next-session small {
  color: #776b51;
  font-size: 9px;
  font-weight: 850;
  text-transform: uppercase;
}

.auth-ai-next-session strong {
  color: #3e392e;
  font-size: 13px;
  line-height: 1.4;
}

.auth-ai-next-session ol {
  margin: 0;
  padding-left: 19px;
  color: #625a49;
  display: grid;
  gap: 5px;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.45;
}

@media (max-width: 960px) {
  .auth-ai-proof {
    grid-template-columns: 1fr;
  }

  .auth-ai-proof-copy {
    max-width: 720px;
  }
}

@media (max-width: 640px) {
  .auth-ai-proof {
    margin-bottom: 34px;
    padding: 22px 16px;
    border-radius: 22px;
    gap: 26px;
  }

  .auth-ai-proof-copy h2 {
    font-size: clamp(27px, 8vw, 34px);
  }

  .auth-ai-proof-copy > p:not(.auth-hero-badge):not(.auth-ai-proof-note) {
    font-size: 14px;
  }

  .auth-ai-proof-cta {
    width: 100%;
    padding-inline: 12px;
    font-size: 14px;
  }

  .auth-ai-report-preview {
    padding: 18px 14px;
    border-radius: 17px;
  }

  .auth-ai-report-head {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
  }

  .auth-ai-spark {
    width: 42px;
    height: 42px;
    border-radius: 13px;
  }

  .auth-ai-sample-tag {
    grid-column: 2;
    justify-self: start;
  }

  .auth-ai-next-session {
    grid-template-columns: 1fr;
  }
}

/* Trần Đại Nghĩa subjects: keep one practice set visible at a time. */
.tdn-set-accordion-layout .practice-path-mini {
  display: none;
}

.tdn-set-accordion-layout .detail-panel-header {
  gap: 18px;
}

.tdn-set-accordion-layout .mission-map-heading {
  max-width: 100%;
}

.tdn-set-accordion-layout .topic-list-stage {
  padding: 16px 18px 20px;
  background: #f7f9fc;
  background-image: none;
}

.topic-list.is-set-accordion {
  display: grid;
  gap: 10px;
}

.tdn-set-accordion-layout .practice-set.practice-set-accordion,
.math-learning-layout.tdn-set-accordion-layout .practice-set.practice-set-accordion {
  min-height: 0;
  margin: 0;
  padding: 0;
  gap: 0;
  overflow: hidden;
  border: 1px solid #dfe5ee;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: none;
}

.tdn-set-accordion-layout .practice-set.practice-set-accordion.is-expanded {
  border-color: color-mix(in srgb, var(--subject), #ffffff 56%);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--subject), transparent 91%);
}

.tdn-set-accordion-layout .practice-set.practice-set-accordion.is-complete:not(.is-expanded) {
  border-color: #cce8d4;
}

.practice-set-accordion-trigger {
  width: 100%;
  min-height: 68px;
  margin: 0;
  padding: 10px 13px;
  border: 0;
  border-radius: 0;
  appearance: none;
  background: #ffffff;
  color: var(--ink);
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) minmax(128px, 210px) 30px;
  gap: 11px;
  align-items: center;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.practice-set-accordion-trigger:hover {
  background: #fbfcfe;
}

.practice-set-accordion-trigger:focus-visible {
  position: relative;
  z-index: 2;
  outline: 3px solid color-mix(in srgb, var(--subject), transparent 70%);
  outline-offset: -3px;
}

.practice-set-accordion.is-expanded .practice-set-accordion-trigger {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 58%);
}

.practice-set-accordion-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #f1f4f8;
  color: #718096;
  display: grid;
  place-items: center;
}

.practice-set-accordion-icon svg {
  width: 20px;
  height: 20px;
}

.practice-set-accordion-trigger.is-in-progress .practice-set-accordion-icon {
  background: var(--subject);
  color: #ffffff;
}

.practice-set-accordion-trigger.is-complete .practice-set-accordion-icon {
  background: #e8f7ed;
  color: #16803c;
}

.practice-set-accordion-title {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.practice-set-accordion-title > span {
  min-width: 0;
  display: flex;
  gap: 9px;
  align-items: baseline;
}

.practice-set-accordion-title strong {
  flex: 0 0 auto;
  color: var(--subject);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.practice-set-accordion-title b {
  min-width: 0;
  overflow: hidden;
  color: #1d273a;
  font-size: 15px;
  font-weight: 780;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.practice-set-accordion-title small {
  color: #768397;
  font-size: 11px;
  font-weight: 750;
}

.practice-set-accordion-trigger.is-in-progress .practice-set-accordion-title small {
  color: var(--subject);
}

.practice-set-accordion-trigger.is-complete .practice-set-accordion-title small {
  color: #16803c;
}

.practice-set-accordion-progress {
  min-width: 0;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.practice-set-accordion-progress i {
  width: min(128px, 100%);
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf4;
}

.practice-set-accordion-progress i span {
  height: 100%;
  border-radius: inherit;
  background: var(--subject);
  display: block;
}

.practice-set-accordion-trigger.is-complete .practice-set-accordion-progress i span {
  background: #22a447;
}

.practice-set-accordion-progress strong {
  min-width: 36px;
  color: #58667a;
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

.practice-set-accordion-trigger.is-in-progress .practice-set-accordion-progress strong {
  color: var(--subject);
}

.practice-set-accordion-trigger.is-complete .practice-set-accordion-progress strong {
  color: #16803c;
}

.practice-set-accordion-chevron {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f4f8;
  color: #657389;
  display: grid;
  place-items: center;
}

.practice-set-accordion-chevron svg {
  width: 17px;
  height: 17px;
  transition: transform 160ms ease;
}

.practice-set-accordion-trigger[aria-expanded="true"] .practice-set-accordion-chevron {
  background: color-mix(in srgb, var(--subject-soft), #ffffff 20%);
  color: var(--subject);
}

.practice-set-accordion-trigger[aria-expanded="true"] .practice-set-accordion-chevron svg {
  transform: rotate(90deg);
}

.practice-set-accordion-body {
  padding: 0 13px 13px;
  border-top: 1px solid color-mix(in srgb, var(--subject), #ffffff 78%);
  background: #ffffff;
}

.practice-set-accordion-body[hidden] {
  display: none !important;
}

.practice-set-accordion-details {
  min-height: 48px;
  padding: 10px 2px;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.practice-set-accordion-details p {
  margin: 0;
  color: #5f6d82;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.practice-set-accordion-details > span {
  flex: 0 0 auto;
  color: var(--subject);
  font-size: 12px;
  font-weight: 800;
}

.tdn-set-accordion-layout .practice-set-accordion .practice-journey {
  margin-top: 0;
}

.tdn-set-accordion-layout .practice-set-accordion .practice-unlock-bar,
.tdn-set-accordion-layout .practice-set-accordion .learning-ai-inline {
  margin-top: 10px;
}

[data-theme="dark"] .tdn-set-accordion-layout .topic-list-stage,
[data-theme="dark"] .tdn-set-accordion-layout .practice-set.practice-set-accordion,
[data-theme="dark"] .practice-set-accordion-trigger,
[data-theme="dark"] .practice-set-accordion-body {
  border-color: var(--line);
  background: var(--surface);
}

[data-theme="dark"] .practice-set-accordion-trigger:hover,
[data-theme="dark"] .practice-set-accordion.is-expanded .practice-set-accordion-trigger {
  background: color-mix(in srgb, var(--subject-soft), var(--surface) 76%);
}

[data-theme="dark"] .practice-set-accordion-title b {
  color: var(--ink);
}

[data-theme="dark"] .practice-set-accordion-details p {
  color: #aeb9c8;
}

@media (max-width: 720px) {
  .tdn-set-accordion-layout .detail-panel-header {
    padding: 18px 16px;
  }

  .tdn-set-accordion-layout .topic-list-stage {
    padding: 10px;
  }

  .topic-list.is-set-accordion {
    gap: 8px;
  }

  .tdn-set-accordion-layout .practice-set.practice-set-accordion,
  .math-learning-layout.tdn-set-accordion-layout .practice-set.practice-set-accordion {
    border-radius: 14px;
  }

  .practice-set-accordion-trigger {
    min-height: 64px;
    padding: 9px 10px;
    grid-template-columns: 36px minmax(0, 1fr) auto 27px;
    gap: 8px;
  }

  .practice-set-accordion-icon {
    width: 34px;
    height: 34px;
    border-radius: 11px;
  }

  .practice-set-accordion-title > span {
    gap: 6px;
  }

  .practice-set-accordion-title strong {
    font-size: 10px;
  }

  .practice-set-accordion-title b {
    font-size: 14px;
  }

  .practice-set-accordion-title small {
    font-size: 10px;
  }

  .practice-set-accordion-progress {
    gap: 0;
  }

  .practice-set-accordion-progress i {
    display: none;
  }

  .practice-set-accordion-progress strong {
    min-width: 31px;
    font-size: 12px;
  }

  .practice-set-accordion-chevron {
    width: 26px;
    height: 26px;
  }

  .practice-set-accordion-body {
    padding: 0 9px 10px;
  }

  .practice-set-accordion-details {
    min-height: 0;
    padding: 10px 3px;
    display: grid;
    gap: 4px;
  }

  .practice-set-accordion-details p {
    font-size: 12px;
  }

  .practice-set-accordion-details > span {
    font-size: 11px;
  }
}
.auth-public-demo {
  width: min(1120px, calc(100% - 40px));
  margin: 72px auto;
}

.auth-public-demo .auth-section-head {
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: center;
}

.landing-mock-demo {
  max-width: 900px;
  margin: 28px auto;
  overflow: hidden;
  border: 1px solid #bfd4ff;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 24px 70px rgba(32, 73, 130, 0.14);
  color: #183153;
  font-family: "Be Vietnam Pro", sans-serif;
}

.landing-mock-demo-head {
  padding: 24px 28px;
  border-bottom: 1px solid #dce7f7;
  background: #f4f8ff;
}

.landing-mock-demo-head > span,
.landing-demo-kicker {
  color: #1769aa;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.landing-mock-demo-head h3,
.landing-demo-question h3,
.landing-demo-result h3 {
  margin: 8px 0;
  color: #173b66;
  line-height: 1.4;
}

.landing-mock-demo-head p,
.landing-demo-result > p {
  margin: 0;
  color: #52657d;
  line-height: 1.7;
}

.landing-mock-demo-stage {
  outline: none;
}

.landing-demo-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  padding: 20px 28px 0;
  color: #52657d;
  font-size: 0.82rem;
  font-weight: 700;
}

.landing-demo-progress i {
  grid-column: 1 / -1;
  display: block;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eef8;
}

.landing-demo-progress i b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #2878e5;
  transition: width 220ms ease;
}

.landing-demo-question {
  padding: 26px 28px 20px;
}

.landing-demo-question h3 {
  max-width: 760px;
  margin: 10px 0 22px;
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
}

.landing-demo-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.landing-demo-options button {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 13px 16px;
  border: 2px solid #d7e2f1;
  border-radius: 15px;
  background: #ffffff;
  color: #243b57;
  font: 700 0.95rem/1.45 "Be Vietnam Pro", sans-serif;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.landing-demo-options button:hover:not(:disabled),
.landing-demo-options button:focus-visible {
  border-color: #4b8ce8;
  transform: translateY(-1px);
}

.landing-demo-options button > span {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border: 2px solid #94a9c4;
  border-radius: 50%;
  background: #ffffff;
}

.landing-demo-options button.is-selected {
  border-color: #2878e5;
  background: #eef5ff;
}

.landing-demo-options button.is-selected > span {
  border: 6px solid #2878e5;
}

.landing-demo-options button.is-correct {
  border-color: #279168;
  background: #ecfbf4;
  color: #17674b;
}

.landing-demo-options button.is-wrong {
  border-color: #d97706;
  background: #fff8e8;
  color: #8a4a08;
}

.landing-demo-feedback {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 4px solid #279168;
  border-radius: 10px;
  background: #ecfbf4;
}

.landing-demo-feedback.is-wrong {
  border-left-color: #d97706;
  background: #fff8e8;
}

.landing-demo-feedback strong {
  color: #17674b;
}

.landing-demo-feedback.is-wrong strong {
  color: #8a4a08;
}

.landing-demo-feedback p {
  margin: 5px 0 0;
  color: #42566f;
  line-height: 1.65;
}

.landing-demo-actions,
.landing-demo-result-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 0 28px 28px;
}

.landing-demo-actions .button,
.landing-demo-result-actions .button {
  min-height: 48px;
}

.landing-demo-result {
  padding: 42px 28px;
  text-align: center;
}

.landing-demo-result-icon {
  display: inline-grid;
  place-items: center;
  width: 66px;
  height: 66px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: #fff1c7;
  color: #bd6b00;
  font-size: 2rem;
}

.landing-demo-result-actions {
  justify-content: center;
  margin-top: 24px;
  padding: 0;
}

@media (max-width: 680px) {
  .auth-public-demo {
    width: min(100% - 24px, 1120px);
    margin: 48px auto;
  }

  .landing-mock-demo {
    border-radius: 20px;
  }

  .landing-mock-demo-head,
  .landing-demo-question,
  .landing-demo-result {
    padding-right: 18px;
    padding-left: 18px;
  }

  .landing-demo-progress {
    padding-right: 18px;
    padding-left: 18px;
  }

  .landing-demo-options {
    grid-template-columns: 1fr;
  }

  .landing-demo-actions,
  .landing-demo-result-actions {
    flex-direction: column-reverse;
    padding-right: 18px;
    padding-left: 18px;
  }

  .landing-demo-result-actions {
    padding: 0;
  }

  .landing-demo-actions .button,
  .landing-demo-result-actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-demo-progress i b,
  .landing-demo-options button {
    transition: none;
  }
}