/* Shared UI for courses, classes and exams. */
body.academic-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(200,150,42,.1), transparent 22%),
    linear-gradient(180deg,#f4efe4 0%,#f8f5ef 24%,#f7faff 100%) !important;
  color: var(--ink);
}

.academic-page .page,
.academic-page .page-shell {
  width: min(100%, 1240px);
  margin-inline: auto;
}

.academic-page .page-hd,
.academic-page .page-head,
.academic-page .page-hero {
  margin-bottom: 20px;
  padding: 24px 26px;
  border: 1px solid rgba(35,56,92,.08);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,.22), transparent 30%),
    linear-gradient(135deg,rgba(15,31,61,.98) 0%,rgba(31,65,128,.95) 55%,rgba(200,150,42,.86) 100%);
  box-shadow: 0 18px 42px rgba(15,23,42,.08);
  color: #fff;
}

.academic-page .page-hd h1,
.academic-page .page-head h1,
.academic-page .page-hero h1 {
  margin: 0;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.9rem;
}

.academic-page .page-hd p,
.academic-page .page-head p,
.academic-page .page-hero p {
  color: rgba(255,255,255,.84);
}

.academic-toolbar,
.academic-page .toolbar,
.academic-page .filter-bar {
  gap: 10px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid rgba(15,31,61,.08);
  border-radius: 22px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 14px 30px rgba(15,31,61,.06);
}

.academic-card,
.academic-page .exam-card,
.academic-page .class-card,
.academic-page .course-card,
.academic-page .card,
.academic-page .exam-box,
.academic-page .screen-panel,
.academic-page .detail-card {
  border: 1px solid rgba(15,31,61,.08) !important;
  border-radius: 18px !important;
  background: linear-gradient(180deg,#fff 0%,#fbfdff 100%) !important;
  box-shadow: 0 14px 30px rgba(15,31,61,.07);
}

.academic-page .exam-card,
.academic-page .class-card,
.academic-page .exam-box {
  border-left: 4px solid var(--gold-border) !important;
}

.academic-page .exam-card.official {
  border-left-color: var(--red) !important;
}

.academic-page .exam-card:hover,
.academic-page .class-card:hover,
.academic-page .course-card:hover,
.academic-page .card:hover,
.academic-page .exam-box:hover {
  border-color: rgba(200,150,42,.42) !important;
  box-shadow: 0 18px 36px rgba(15,31,61,.12);
  transform: translateY(-2px);
}

.academic-page .cover,
.academic-page .card-cover {
  background:
    radial-gradient(circle at top right,rgba(255,255,255,.18),transparent 30%),
    linear-gradient(135deg,#103d74 0%,#1d6bd1 68%,#d4a63a 100%) !important;
}

.academic-page .modal-card,
.academic-page .sheet-modal-card,
.academic-page .popup-card {
  border: 1px solid rgba(15,31,61,.08);
  border-top: 4px solid var(--gold);
  border-radius: 22px !important;
  background: #fff;
  box-shadow: 0 22px 52px rgba(15,31,61,.18);
}

.academic-page .mh,
.academic-page .popup-header {
  background: linear-gradient(180deg,#fff 0%,#fbfcff 100%);
  border-bottom: 1px solid rgba(15,31,61,.08);
}

.academic-screen,
.academic-page .screen,
.academic-page .editor-overlay,
.academic-page .exam-shell {
  background:
    radial-gradient(circle at top left,rgba(200,150,42,.08),transparent 24%),
    linear-gradient(180deg,#eef3fb 0%,#f6f9ff 100%) !important;
}

.academic-topbar,
.academic-page .stop,
.academic-page .editor-topbar,
.academic-page .exam-topbar,
.academic-page .topbar,
.academic-overlay > div:first-child {
  background: linear-gradient(135deg,#0f3c73 0%,#1d6bd1 100%) !important;
  color: #fff;
  box-shadow: 0 2px 8px rgba(15,31,61,.22);
}

.academic-page .exam-nav,
.academic-page .answer-pane {
  border-color: rgba(15,31,61,.08);
  background: rgba(255,255,255,.94);
}

.academic-page .answer-card,
.academic-page .qcard,
.academic-overlay [id^="qcard_"] {
  border: 1px solid rgba(15,31,61,.08) !important;
  border-radius: 14px !important;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15,31,61,.05);
}

.academic-page .btn,
.academic-overlay button {
  border-radius: 10px;
  font-family: var(--font-body);
}

.academic-page .empty,
.academic-page .empty-state {
  border: 1px dashed rgba(15,31,61,.14);
  border-radius: 18px;
  background: linear-gradient(180deg,#fff 0%,#fbfdff 100%);
}

.academic-page .session {
  border: 1px solid rgba(15,31,61,.08);
  border-radius: 18px;
  background: linear-gradient(180deg,#fff 0%,#fbfdff 100%);
  box-shadow: 0 10px 24px rgba(15,31,61,.05);
}

.standard-exam-shell {
  position: fixed;
  inset: 0;
  z-index: 2200;
  display: flex !important;
  flex-direction: column;
  background: #eef3fb;
}

.standard-exam-topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
}

.standard-exam-title-row,
.standard-exam-actions,
.standard-exam-clock {
  display: flex;
  align-items: center;
  gap: 10px;
}

.standard-exam-title-row { flex: 1; min-width: 0; }
.standard-exam-title-row h1 { overflow: hidden; color: #fff; font-size: 1.2rem; text-overflow: ellipsis; white-space: nowrap; }
.standard-exam-title-row button,
.standard-exam-mobile-nav button {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.12);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.standard-exam-clock { padding: 7px 14px; border-radius: 9px; background: rgba(255,255,255,.12); }
.standard-exam-clock span { color: rgba(255,255,255,.72); font-size: .8rem; }
.standard-exam-clock strong { min-width: 72px; color: var(--gold-light); font-family: monospace; font-size: 1.22rem; text-align: center; }
.standard-exam-submit,
.standard-exam-nav-submit {
  padding: 10px 18px;
  border: 0;
  background: var(--gold);
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
}

.standard-exam-layout { display: flex; flex: 1; min-height: 0; overflow: hidden; }
.standard-exam-nav { width: 132px; flex-shrink: 0; overflow-y: auto; padding: 10px 8px; }
.standard-exam-nav-heading,
.standard-exam-nav-title { color: var(--ink-light); font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.standard-exam-nav-heading { margin-bottom: 10px; }
.standard-exam-nav-title { margin: 12px 2px 6px; }
.standard-exam-nav-grid { display: flex; flex-wrap: wrap; gap: 5px; }
.standard-exam-nav-pill {
  position: relative;
  width: 32px;
  height: 32px;
  border: 2px solid transparent;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold-light);
  font-size: .72rem;
  font-weight: 800;
  cursor: pointer;
}
.standard-exam-nav-pill span { position: absolute; top: 1px; right: 1px; width: 8px; height: 8px; border: 1.5px solid #fff; border-radius: 50%; background: var(--border); }
.standard-exam-nav-submit { width: 100%; margin-top: 18px; background: var(--navy); color: var(--gold-light); }
.standard-exam-mobile-nav { display: none; }
.standard-exam-main { flex: 1; overflow-y: auto; padding: 18px 20px; background: #f8fafc; }
.standard-exam-section { margin-bottom: 24px; }
.standard-exam-section h3 { margin: 0 0 10px; padding: 8px 14px; border-radius: 8px; background: var(--navy); color: #fff; font-size: .9rem; }
.standard-exam-card { margin-bottom: 10px; overflow: hidden; }
.standard-exam-question-head { display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-bottom: 1px solid var(--border); background: var(--surface); color: var(--ink-mid); }
.standard-exam-question-head > span:last-child { margin-left: auto; font-size: .75rem; }
.standard-exam-question-number { display: flex; width: 26px; height: 26px; align-items: center; justify-content: center; border-radius: 50%; background: var(--navy); color: var(--gold-light); font-size: .78rem; font-weight: 800; }
.standard-exam-question-body { display: flex; align-items: flex-start; gap: 16px; padding: 16px 18px; }
.standard-exam-question-copy { flex: 1; color: var(--navy); font-size: 1.12rem; line-height: 1.85; white-space: pre-line; }
.standard-exam-question-image { max-width: 42%; max-height: 240px; border-radius: 8px; object-fit: contain; }
.standard-exam-answer { padding: 14px 18px; border-top: 1px solid var(--border); background: var(--surface); }
.standard-exam-option,
.standard-exam-tf-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; padding: 11px 12px; border: 1.5px solid var(--border); border-radius: 8px; background: #fff; }
.standard-exam-option { cursor: pointer; text-transform: none; }
.standard-exam-option.active { border-color: var(--navy); background: #eff6ff; }
.standard-exam-option-key { min-width: 22px; color: var(--navy); font-weight: 800; }
.standard-exam-option-text { flex: 1; color: var(--ink); font-size: .94rem; line-height: 1.55; white-space: pre-line; }
.standard-exam-option input { flex-shrink: 0; width: 18px; height: 18px; accent-color: var(--navy); }
.standard-exam-tf-actions { display: flex; flex-shrink: 0; gap: 10px; margin-left: auto; }
.standard-exam-tf-actions input { width: 16px; height: 16px; }
.standard-exam-tf-actions label { display: inline-flex; align-items: center; gap: 4px; margin: 0; cursor: pointer; text-transform: none; }
.standard-exam-tf-actions label:first-child { color: #15803d; }
.standard-exam-tf-actions label:last-child { color: #b91c1c; }
.standard-exam-text { width: 100%; padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 8px; background: #fff; font: inherit; }
.standard-exam-essay { min-height: 140px; resize: vertical; }

.standard-review-shell {
  position: fixed;
  inset: 0;
  z-index: 2200;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at top left,rgba(200,150,42,.08),transparent 24%),
    linear-gradient(180deg,#eef3fb 0%,#f6f9ff 100%);
}
.standard-review-topbar { display: flex; align-items: center; gap: 14px; min-height: 64px; padding: 10px 20px; }
.standard-review-topbar button { padding: 8px 12px; border: 1px solid rgba(255,255,255,.25); border-radius: 10px; background: rgba(255,255,255,.12); color: #fff; font-weight: 700; cursor: pointer; }
.standard-review-topbar h1 { margin: 0; color: #fff; font-size: 1.08rem; }
.standard-review-topbar p { margin: 3px 0 0; color: rgba(255,255,255,.72); font-size: .78rem; }
.standard-review-score { display: grid; gap: 2px; margin-left: auto; padding: 7px 14px; border-radius: 9px; background: rgba(255,255,255,.12); text-align: right; }
.standard-review-score span { color: rgba(255,255,255,.7); font-size: .72rem; }
.standard-review-score strong { color: var(--gold-light); font-size: .98rem; }
.standard-review-main { flex: 1; overflow-y: auto; padding: 18px 20px 36px; }
.standard-review-main > div { width: min(100%, 1080px); margin: 0 auto; }

.academic-page .tab-bar,
.academic-page .mode-switch {
  padding: 4px;
  border: 1px solid rgba(15,31,61,.06);
  border-radius: 999px;
  background: #eef3fb;
}

.academic-page .tab-btn,
.academic-page .mode-switch button {
  border-radius: 999px;
}

.academic-page .tab-btn.active,
.academic-page .mode-switch button.active {
  background: linear-gradient(135deg,#0f3c73 0%,#1d6bd1 100%);
  color: #fff;
  box-shadow: 0 10px 20px rgba(15,31,61,.14);
}

@media (max-width: 720px) {
  .academic-page .page-hd,
  .academic-page .page-head,
  .academic-page .page-hero {
    padding: 18px;
    border-radius: 20px;
  }

  .academic-page .page-hd h1,
  .academic-page .page-head h1,
  .academic-page .page-hero h1 {
    font-size: 1.55rem;
  }

  .academic-toolbar,
  .academic-page .toolbar,
  .academic-page .filter-bar {
    padding: 12px;
    border-radius: 18px;
  }

  .academic-page .modal-card,
  .academic-page .sheet-modal-card {
    border-radius: 22px 22px 0 0 !important;
  }

  .standard-exam-topbar { min-height: auto; align-items: stretch; flex-direction: column; gap: 10px; padding: 12px; }
  .standard-exam-actions { justify-content: space-between; }
  .standard-exam-layout { flex-direction: column; }
  .standard-exam-nav { display: none; width: 100%; max-height: 42vh; border-right: 0; border-bottom: 1px solid var(--border); }
  .standard-exam-mobile-nav { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--border); background: #fff; }
  .standard-exam-mobile-nav button { border-color: #bfdbfe; background: #eff6ff; color: var(--navy); }
  .standard-exam-mobile-nav span { color: var(--ink-mid); font-size: .8rem; }
  .standard-exam-main { padding: 14px 12px 20px; }
  .standard-exam-question-body { flex-direction: column; }
  .standard-exam-question-image { width: 100%; max-width: 100%; max-height: 320px; }
  .standard-exam-tf-row { align-items: flex-start; flex-wrap: wrap; }
  .standard-exam-tf-actions { width: 100%; margin-left: 32px; }
  .standard-review-topbar { align-items: flex-start; flex-wrap: wrap; padding: 12px; }
  .standard-review-score { width: 100%; margin-left: 0; text-align: left; }
  .standard-review-main { padding: 14px 12px 24px; }
}