@import url("./compatibility.css");

:root {
  --ink: #142321;
  --muted: #60706d;
  --brand: #176b61;
  --brand-dark: #103f3a;
  --brand-soft: #e8f4f1;
  --accent: #e89a45;
  --accent-soft: #fff2df;
  --blue: #315f87;
  --blue-soft: #eaf2f9;
  --violet: #71549b;
  --violet-soft: #f0ebf8;
  --danger: #a64343;
  --danger-soft: #fdeaea;
  --success: #277756;
  --success-soft: #e7f6ee;
  --surface: #ffffff;
  --surface-alt: #f6f8f7;
  --line: #dce4e1;
  --shadow: 0 16px 45px rgba(22, 54, 49, 0.08);
  --radius: 18px;
  --radius-small: 11px;
  --content: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.student-site {
  margin: 0;
  color: var(--ink);
  background: #f7f9f8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; height: auto; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  transform: translateY(-140%);
  padding: 9px 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--brand-dark);
}
.skip-link:focus { transform: none; }

.student-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(220, 228, 225, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.student-header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  width: min(calc(100% - 40px), var(--content));
  min-height: 72px;
  margin: 0 auto;
}

.student-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  line-height: 1.1;
}
.student-brand:hover { color: var(--ink); }
.student-brand-mark {
  display: grid;
  width: 39px;
  height: 39px;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(145deg, var(--brand), var(--brand-dark));
  box-shadow: 0 7px 18px rgba(23, 107, 97, 0.2);
  font-family: Georgia, serif;
  font-size: 24px;
}
.student-brand strong { display: block; font-size: 17px; }
.student-brand small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .03em; }

.student-navigation { display: flex; align-items: stretch; align-self: stretch; gap: 4px; }
.student-navigation > a {
  display: grid;
  position: relative;
  align-items: center;
  padding: 0 13px;
  color: #42514e;
  font-size: 14px;
  font-weight: 650;
}
.student-navigation > a::after {
  position: absolute;
  right: 13px;
  bottom: 0;
  left: 13px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: transparent;
  content: "";
}
.student-navigation > a:hover,
.student-navigation > a.active { color: var(--brand); }
.student-navigation > a.active::after { background: var(--brand); }

.student-header-actions { display: flex; align-items: center; gap: 9px; margin-left: auto; }
.student-search-link, .student-admin-link {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  font-size: 13px;
  font-weight: 700;
}
.student-admin-link { color: #fff; border-color: var(--brand); background: var(--brand); }

.student-menu-button {
  display: none;
  align-items: center;
  width: 42px;
  height: 40px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.student-menu-button span { display: block; width: 18px; height: 2px; margin: 3px auto; background: var(--ink); }
.student-menu-button b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.student-main {
  width: min(calc(100% - 40px), var(--content));
  min-height: calc(100vh - 210px);
  margin: 0 auto;
  padding: 34px 0 64px;
}

h1, h2, h3 { margin-top: 0; color: #10211f; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; }
h2 { font-size: clamp(1.35rem, 2vw, 1.8rem); letter-spacing: -.025em; }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1rem; }
code {
  padding: 3px 7px;
  border: 1px solid #d7e1de;
  border-radius: 7px;
  color: var(--brand-dark);
  background: #f0f5f3;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .86em;
  overflow-wrap: anywhere;
}

.student-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 28px;
  padding: clamp(30px, 5vw, 62px);
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 93% 9%, rgba(232, 154, 69, .2), transparent 27%),
    linear-gradient(135deg, #123f3a 0%, #176b61 72%, #23796f 100%);
  box-shadow: var(--shadow);
}
.student-hero h1 { max-width: 760px; margin-bottom: 16px; color: #fff; }
.student-hero-copy > p { max-width: 660px; color: #dcebe8; font-size: 1.06rem; }
.welcome-pill, .kicker, .eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.student-hero .welcome-pill { color: #c9e5df; }
.hero-actions, .card-actions, .row-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.student-hero .hero-actions { margin-top: 25px; }

.hero-learning-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 220px;
  padding: 26px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 22px;
  color: #fff;
  background: rgba(255,255,255,.1);
}
.hero-learning-card strong { margin: 8px 0 0; font-size: 3rem; line-height: 1; }
.hero-learning-card span:not(.hero-card-icon) { color: #d8e9e5; }
.hero-card-icon { font-size: 26px; color: #ffd494; }
.hero-learning-card small { margin-top: 12px; color: #c6ddd9; }
.mini-progress { height: 6px; margin-top: 21px; overflow: hidden; border-radius: 20px; background: rgba(255,255,255,.18); }
.mini-progress i { display: block; height: 100%; border-radius: inherit; background: #f2b66f; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 15px;
  border: 1px solid var(--brand);
  border-radius: 10px;
  color: #fff;
  background: var(--brand);
  cursor: pointer;
  font-weight: 750;
  line-height: 1.2;
}
.btn:hover { color: #fff; background: var(--brand-dark); }
.btn.secondary { color: var(--brand-dark); border-color: #bcd4cf; background: var(--brand-soft); }
.btn.secondary:hover { background: #dbece8; }
.btn.ghost { color: var(--ink); border-color: var(--line); background: #fff; }
.btn.small { min-height: 34px; padding: 7px 11px; font-size: 13px; }
.btn-primary-large, .btn-light-large { min-height: 48px; padding: 12px 18px; }
.btn-light-large { color: var(--brand-dark); border-color: #fff; background: #fff; }
.btn-light-large:hover { color: var(--brand-dark); background: #eaf4f1; }

.quick-paths, .learning-grid, .grid {
  display: grid;
  gap: 18px;
}
.quick-paths { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 48px; }
.study-path {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  box-shadow: 0 7px 25px rgba(29, 60, 55, .04);
}
.study-path:hover { color: var(--ink); border-color: #bbd0cc; transform: translateY(-2px); }
.study-path strong, .study-path small { display: block; }
.study-path small { margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.path-icon { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 13px; font-size: 13px; font-weight: 900; }
.path-indigo .path-icon { color: var(--blue); background: var(--blue-soft); }
.path-amber .path-icon { color: #9a5d19; background: var(--accent-soft); }
.path-teal .path-icon { color: var(--brand); background: var(--brand-soft); }
.path-violet .path-icon { color: var(--violet); background: var(--violet-soft); }

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin: 42px 0 17px;
}
.section-heading h2 { margin-bottom: 0; }
.section-heading .eyebrow { margin-bottom: 5px; }

.learning-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 28px rgba(27, 56, 52, .035);
}
.card h1:last-child, .card h2:last-child, .card h3:last-child, .card p:last-child { margin-bottom: 0; }
.learning-card { position: relative; min-height: 205px; padding: 26px; border-top: 4px solid var(--brand); }
.learning-card p { color: var(--muted); }
.learning-card > a { font-weight: 800; }
.learning-icon { display: grid; width: 38px; height: 38px; margin-bottom: 23px; place-items: center; border-radius: 12px; color: var(--brand); background: var(--brand-soft); font-size: 12px; font-weight: 900; }
.review-card { border-top-color: var(--accent); }
.review-card .learning-icon { color: #925719; background: var(--accent-soft); }
.set-card { border-top-color: var(--violet); }
.set-card .learning-icon { color: var(--violet); background: var(--violet-soft); }

.public-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 35px;
  padding: 24px;
  border-radius: var(--radius);
  background: #edf3f1;
}
.public-stats div { padding: 5px 22px; border-right: 1px solid #cfddda; }
.public-stats div:last-child { border: 0; }
.public-stats strong, .public-stats span { display: block; }
.public-stats strong { color: var(--brand-dark); font-size: 1.6rem; }
.public-stats span { color: var(--muted); font-size: 13px; }

.page-intro { margin-bottom: 22px; padding: clamp(25px, 4vw, 42px); }
.page-intro h1 { margin-bottom: 12px; font-size: clamp(1.9rem, 3vw, 2.7rem); }
.page-intro > p:not(.kicker) { max-width: 760px; color: var(--muted); }
.page-intro .hero-actions { margin-top: 20px; }
.curriculum-hero, .curriculum-public-hero {
  background: linear-gradient(135deg, #edf7f4, #fff 70%);
}

.slim-card { padding: 13px 18px; border-radius: 12px; }
.meta { color: var(--muted); font-size: 13px; }
.notice { margin: 15px 0; padding: 14px 17px; border: 1px solid #efcc8c; border-radius: 11px; color: #694816; background: #fff8e9; }
.notice.danger { color: var(--danger); border-color: #edbcbc; background: var(--danger-soft); }
.badge {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 30px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-size: 11px;
  font-weight: 800;
}
.badge.neutral { color: #495956; background: #edf1f0; }

.curriculum-stage-grid, .curriculum-subject-grid, .subject-grid, .curriculum-set-grid { margin-top: 18px; }
.curriculum-stage-card, .curriculum-subject-card, .subject-card { display: flex; flex-direction: column; min-height: 230px; }
.curriculum-stage-card .card-actions, .curriculum-subject-card .card-actions, .subject-card .card-actions { margin-top: auto; padding-top: 18px; }
.curriculum-subject-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.curriculum-subject-chips a { padding: 6px 10px; border-radius: 30px; color: var(--brand-dark); background: var(--brand-soft); font-size: 12px; font-weight: 700; }
.mini-stats, .history-metrics { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 14px; color: var(--muted); font-size: 13px; }
.mini-stats span, .history-metrics span { display: inline-flex; gap: 4px; }
.mini-stats strong, .history-metrics strong { color: var(--ink); }
.muted-card { opacity: .64; }

.curriculum-section-head { margin-top: 22px; }
.curriculum-stats { margin: 18px 0; }
.stat-card strong, .stat-card span { display: block; }
.stat-card strong { color: var(--brand-dark); font-size: 1.8rem; }
.stat-card span { color: var(--muted); font-size: 13px; }
.curriculum-topic-bucket { margin-top: 16px; }
.topic-row, .history-session {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.topic-row:first-child { padding-top: 0; }
.topic-row:last-child { padding-bottom: 0; border-bottom: 0; }
.topic-row h3 { margin-bottom: 5px; }

label { display: block; color: var(--ink); font-size: 13px; font-weight: 750; }
input, select, textarea {
  width: 100%;
  min-height: 43px;
  margin-top: 6px;
  padding: 9px 12px;
  border: 1px solid #cbd7d4;
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(23, 107, 97, .13); border-color: var(--brand); }
form { margin: 0; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 13px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #42514e; background: var(--surface-alt); font-size: 12px; letter-spacing: .03em; text-transform: uppercase; }

.public-curriculum-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.public-curriculum-sidebar { position: sticky; top: 92px; max-height: calc(100vh - 120px); overflow: auto; padding: 17px; }
.sidebar-title { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 14px; }
.sidebar-title button { display: none; }
.public-curriculum-sidebar ul { margin: 0; padding: 0; list-style: none; }
.public-curriculum-sidebar ul ul { margin-left: 16px; padding-left: 9px; border-left: 1px solid var(--line); }
.public-curriculum-sidebar li { position: relative; }
.public-curriculum-sidebar li > a {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 2px 0;
  padding: 8px 8px 8px 27px;
  border-radius: 9px;
  color: #354743;
  font-size: 13px;
}
.public-curriculum-sidebar li.selected > a { color: var(--brand-dark); background: var(--brand-soft); font-weight: 800; }
.public-curriculum-sidebar li > a small { color: var(--muted); }
.tree-toggle, .tree-spacer {
  position: absolute;
  z-index: 1;
  top: 9px;
  left: 4px;
  width: 20px;
  height: 28px;
  padding: 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}
.curriculum-node-content { min-width: 0; }
.curriculum-public-breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; padding: 13px 17px; }
.curriculum-node-hero { margin-bottom: 18px; }
.clinical-case-reader { margin-top: 18px; }
.case-summary { margin: 18px 0; padding: 18px; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; background: var(--accent-soft); }
.case-question-list { display: grid; gap: 9px; }
.case-question-list > a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 13px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
}
.case-question-list > a:hover { border-color: #afcbc5; background: #f7fbfa; }
.case-question-list small { display: block; color: var(--muted); }
.case-variant { min-width: 58px; padding: 7px 9px; border-radius: 9px; color: var(--brand-dark); background: var(--brand-soft); text-align: center; font-size: 11px; font-weight: 850; }
.curriculum-drawer-button { display: none; margin-bottom: 12px; }

.question-list, .session-history-list { display: grid; gap: 14px; }
.history-session { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.history-session h2 { margin: 10px 0 6px; }

.student-dashboard-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 22px; align-items: start; }
.dashboard-nav { position: sticky; top: 92px; display: grid; gap: 5px; padding: 12px; }
.dashboard-nav a { padding: 10px 12px; border-radius: 9px; color: #3b4b48; font-size: 14px; font-weight: 650; }
.dashboard-nav a.active, .dashboard-nav a:hover { color: var(--brand-dark); background: var(--brand-soft); }
.dashboard-empty { padding: 45px 25px; text-align: center; }

.student-footer { border-top: 1px solid var(--line); background: #fff; }
.student-footer > div, .student-footer > p { width: min(calc(100% - 40px), var(--content)); margin-right: auto; margin-left: auto; }
.student-footer > div { display: flex; justify-content: space-between; gap: 25px; align-items: center; padding: 30px 0 20px; }
.student-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.student-footer nav a { color: #4c5c59; font-size: 13px; font-weight: 700; }
.student-footer > p { margin-bottom: 0; padding: 16px 0 24px; border-top: 1px solid #edf1f0; color: var(--muted); font-size: 12px; }

@media (max-width: 980px) {
  .student-header-inner { gap: 16px; }
  .student-navigation > a { padding-right: 8px; padding-left: 8px; }
  .quick-paths, .grid.four, .public-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .learning-grid, .grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .public-stats div:nth-child(2) { border-right: 0; }
  .public-stats div:nth-child(-n+2) { margin-bottom: 16px; }
}

@media (max-width: 820px) {
  .student-header-inner { min-height: 64px; }
  .student-menu-button { display: block; order: 3; margin-left: auto; }
  .student-header-actions { margin-left: 0; }
  .student-search-link { display: none; }
  .student-navigation {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    height: auto;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: var(--shadow);
  }
  .student-nav-open .student-navigation { display: grid; }
  .student-navigation > a { min-height: 43px; padding: 9px 12px; border-radius: 9px; }
  .student-navigation > a.active { background: var(--brand-soft); }
  .student-navigation > a::after { display: none; }
  .student-hero { grid-template-columns: 1fr; }
  .hero-learning-card { min-height: 150px; }
  .public-curriculum-layout { grid-template-columns: 1fr; }
  .public-curriculum-sidebar {
    position: fixed;
    z-index: 300;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(88vw, 350px);
    max-height: none;
    border-radius: 0 18px 18px 0;
    transform: translateX(-105%);
    transition: transform .2s ease;
  }
  .curriculum-drawer-open .public-curriculum-sidebar { transform: none; }
  .curriculum-drawer-open::after { position: fixed; z-index: 250; inset: 0; background: rgba(11, 28, 25, .46); content: ""; }
  .curriculum-drawer-button, .sidebar-title button { display: inline-flex; }
  .sidebar-title button { align-items: center; justify-content: center; width: 34px; height: 34px; border: 0; border-radius: 8px; background: #edf2f0; font-size: 22px; }
  .student-dashboard-layout { grid-template-columns: 1fr; }
  .dashboard-nav { position: static; grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 620px) {
  .student-header-inner, .student-main, .student-footer > div, .student-footer > p { width: min(calc(100% - 24px), var(--content)); }
  .student-main { padding-top: 22px; }
  .student-brand small { display: none; }
  .student-header-actions { display: none; }
  .student-hero { padding: 27px 22px; border-radius: 20px; }
  .student-hero h1 { font-size: 2.15rem; }
  .hero-learning-card { display: none; }
  .quick-paths, .learning-grid, .grid.two, .grid.three, .grid.four, .public-stats { grid-template-columns: 1fr; }
  .public-stats div { margin: 0 !important; padding: 13px 5px; border-right: 0; border-bottom: 1px solid #cfddda; }
  .public-stats div:last-child { border-bottom: 0; }
  .card { padding: 19px; border-radius: 14px; }
  .topic-row, .history-session { align-items: flex-start; flex-direction: column; }
  .topic-row .row-actions, .history-session .row-actions { width: 100%; }
  .dashboard-nav { grid-template-columns: 1fr; }
  .student-footer > div { align-items: flex-start; flex-direction: column; }
  .student-footer nav { gap: 12px; }
}

/* Prashna v3E — subject case series and bounded casebook browser */
.case-library-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: -4px 0 24px;
  color: var(--muted);
  font-size: 14px;
}
.case-library-breadcrumbs strong { color: var(--ink); }
.case-series-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.case-series-card {
  display: flex;
  flex-direction: column;
  min-height: 270px;
}
.case-series-card h2 { margin-bottom: 11px; }
.case-series-card > p:not(.kicker):not(.card-actions) { color: var(--muted); }
.case-series-card .mini-stats { margin-top: auto; }
.case-series-card .card-actions { margin: 18px 0 0; }
.case-library-toolbar {
  margin-bottom: 18px;
  padding: 18px 20px;
}
.case-library-toolbar label {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  font-weight: 750;
}
.case-library-toolbar > div {
  display: flex;
  gap: 9px;
}
.case-library-toolbar input[type="search"] {
  flex: 1;
  min-width: 0;
}
.case-result-count { margin: 0 0 13px; color: var(--muted); }
.case-card { min-height: 320px; }
.case-card .card-actions { margin-top: auto; }

@media (max-width: 900px) {
  .case-series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .case-series-grid { grid-template-columns: 1fr; }
  .case-series-card { min-height: auto; }
  .case-library-toolbar > div { align-items: stretch; flex-direction: column; }
}

/* Prashna v3H — context-preserving clinical case runner */
.clinical-case-runner {
  width: min(100%, 1100px);
  margin: 0 auto;
}
.clinical-case-runner .clinical-case-reader { margin-top: 0; }
.case-title-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  justify-content: space-between;
}
.case-title-row h1 { margin-bottom: 0; }
.case-title-row .language-toggle {
  display: flex;
  flex: 0 0 auto;
  gap: 6px;
}
.case-title-row .language-toggle a {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: #f7f9f8;
  font-size: 13px;
  font-weight: 750;
}
.case-title-row .language-toggle a.active {
  color: #fff;
  border-color: var(--brand);
  background: var(--brand);
}
.case-progress-panel {
  display: grid;
  grid-template-columns: minmax(210px, .35fr) 1fr;
  gap: 24px;
  align-items: center;
  margin: 15px 0 24px;
  padding: 15px 19px;
}
.case-progress-panel strong,
.case-progress-panel small { display: block; }
.case-progress-panel strong { margin-top: 2px; }
.case-progress-panel small { color: var(--muted); }
.case-progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e4ebe9;
}
.case-progress-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), #39a18e);
}
.case-guided-heading { margin-top: 0; }
.case-question-runner { display: grid; gap: 15px; }
.case-question-card {
  scroll-margin-top: 92px;
  padding: 19px 21px;
  border-left: 4px solid #6c5ce7;
}
.case-question-card > header {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 12px;
}
.case-question-card > header .kicker { margin-bottom: 2px; }
.case-question-card > header h2 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 680;
  line-height: 1.45;
  letter-spacing: -.01em;
}
.case-question-number {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 9px;
  color: #fff;
  background: #6c5ce7;
  font-weight: 800;
}
.case-question-card .options {
  display: grid;
  gap: 7px;
  margin: 10px 0 12px;
}
.case-question-card .option {
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 11px;
  font-size: .92rem;
}
.case-question-card .option input {
  width: auto;
  min-height: auto;
  margin: 0 8px 0 0;
}
.case-question-card .result-box {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin: 8px 0 10px;
  padding: 10px 12px;
  border-radius: 10px;
}
.case-question-card .result-box span { font-size: 13px; }
.case-answer-correct { border-left-color: var(--success); }
.case-answer-wrong { border-left-color: var(--danger); }
.case-question-explanation {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 11px;
  background: var(--brand-soft);
}
.case-question-explanation h3 { margin-bottom: 6px; }
.case-question-explanation p:last-child { margin-bottom: 0; }
.case-navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
  padding: 15px;
}
.case-navigation > div:last-child { text-align: right; }
.case-navigation > div .btn {
  display: inline-flex;
  align-items: flex-start;
  flex-direction: column;
  max-width: 300px;
  text-align: left;
}
.case-navigation > div:last-child .btn { align-items: flex-end; text-align: right; }
.case-navigation .btn small { opacity: .72; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }

@media (max-width: 700px) {
  .case-title-row { flex-direction: column; }
  .case-progress-panel { grid-template-columns: 1fr; gap: 10px; }
  .case-question-card { padding: 15px; }
  .case-question-card > header { grid-template-columns: 30px minmax(0, 1fr); }
  .case-question-card > header > .badge { grid-column: 2; justify-self: start; }
  .case-question-number { width: 28px; height: 28px; }
  .case-navigation { grid-template-columns: 1fr; }
  .case-navigation > div,
  .case-navigation > div:last-child { text-align: center; }
  .case-navigation > div .btn,
  .case-navigation > div:last-child .btn { align-items: center; max-width: none; text-align: center; }
  .case-navigation > .btn { grid-row: 3; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* Prashna v3D.2 — compact student question reader */
.question-reader {
  width: min(100%, 1080px);
  margin: 0 auto;
}
.question-reader > .card,
.question-reader > .session-runner-bar {
  margin-bottom: 14px;
}
.question-reader .question-card {
  padding: 20px 22px 22px;
  border-radius: 16px;
}
.question-reader .question-card > .meta {
  margin-bottom: 5px;
  font-size: 12px;
}
.question-reader .question-card > h1 {
  margin: 0 0 12px;
  color: #52625f;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(.88rem, 1.4vw, 1.05rem);
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.question-reader .question-nav,
.question-reader .language-toggle {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin: 0 10px 12px 0;
  vertical-align: middle;
}
.question-reader .question-nav .btn,
.question-reader .language-toggle a,
.question-reader .mark-review-form .btn {
  min-height: 34px;
  padding: 7px 11px;
  border-radius: 9px;
  font-size: 13px;
}
.question-reader .language-toggle a {
  color: #42514e;
  border: 1px solid var(--line);
  background: #f7f9f8;
  font-weight: 750;
}
.question-reader .language-toggle a.active {
  color: #fff;
  border-color: var(--brand);
  background: var(--brand);
}
.question-reader .mark-review-form {
  display: inline-flex;
  margin: 0 10px 12px 0;
  vertical-align: middle;
}
.question-reader .stem {
  margin: 4px 0 14px;
  color: #142522;
  font-size: 1.03rem;
  font-weight: 570;
  line-height: 1.55;
}
.question-reader .options {
  display: grid;
  gap: 8px;
  margin: 13px 0 15px;
}
.question-reader .option {
  display: block;
  min-height: 52px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-size: .94rem;
  line-height: 1.42;
}
.question-reader .option:hover {
  border-color: #9fc2bb;
  background: #f8fbfa;
}
.question-reader .option input {
  width: auto;
  min-height: auto;
  margin: 0 10px 0 0;
  vertical-align: middle;
}
.question-reader .option > strong {
  margin-right: 3px;
}
.question-reader .result-box {
  margin: 10px 0;
  padding: 12px 14px;
  border-radius: 11px;
}
.question-reader .result-box h2 {
  margin-bottom: 5px;
  font-size: 1.15rem;
}
.question-reader > .card:not(.question-card) {
  padding: 18px 21px;
  border-radius: 15px;
}
.question-reader > .card:not(.question-card) h2 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}
.question-reader .concept-row {
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.question-reader .concept-row:first-of-type {
  border-top: 0;
}
.question-reader .links {
  display: inline-flex;
  float: right;
  gap: 10px;
}
.question-reader .question-bottom-nav {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.question-reader .question-assets img {
  max-height: 420px;
}
@media (max-width: 620px) {
  .question-reader .question-card { padding: 16px; }
  .question-reader .question-nav,
  .question-reader .language-toggle,
  .question-reader .mark-review-form { margin-bottom: 9px; }
  .question-reader .stem { font-size: 1rem; }
  .question-reader .option { min-height: 48px; padding: 10px 11px; }
  .question-reader .links { display: flex; float: none; flex-wrap: wrap; margin-top: 6px; }
}
.question-image-link {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: .75rem auto .35rem;
  cursor: zoom-in;
}

.question-image-link img {
  display: block;
  max-width: 100%;
  max-height: 34rem;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: .75rem;
}

.question-concept-gallery {
  display: inline-flex;
  margin-top: .4rem;
  font-size: .875rem;
  font-weight: 700;
}
.admin-browse-banner {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .65rem max(1rem, calc((100% - 1470px) / 2));
  color: #fff;
  background: #5b21b6;
  box-shadow: 0 4px 18px rgba(40, 20, 80, .18);
}

.admin-browse-banner div {
  display: flex;
  align-items: baseline;
  gap: .75rem;
}

.admin-browse-banner span {
  font-size: .85rem;
  opacity: .9;
}

.admin-browse-banner form {
  margin: 0;
}

.admin-browse-banner button {
  padding: .45rem .75rem;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: .55rem;
  color: #fff;
  background: transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 700px) {
  .admin-browse-banner,
  .admin-browse-banner div {
    align-items: flex-start;
    flex-direction: column;
  }
}
.image-book-card{overflow:hidden}.image-book-card>a:first-child{display:block;margin:-1.35rem -1.35rem 1rem;background:#edf3f2;aspect-ratio:4/3}.image-book-card>a:first-child img{display:block;width:100%;height:100%;object-fit:cover}.image-book-card h2{font-size:1.12rem;line-height:1.4}.image-book-grid{align-items:stretch}