:root {
  --navy: #17365d;
  --navy-deep: #102846;
  --blue: #245f86;
  --coral: #e78f92;
  --gold: #f0c75e;
  --gold-soft: #fff4cf;
  --ink: #202936;
  --muted: #5f6b7a;
  --line: #cbd4df;
  --page: #f5f7fa;
  --surface: #fff;
  --focus: #0a6ed1;
  --danger: #9b2f2f;
  --danger-soft: #fff0f0;
  --shadow: 0 14px 36px rgba(23, 54, 93, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--page); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
.skip-link { position: fixed; z-index: 100; top: .5rem; left: .5rem; padding: .65rem 1rem; color: #fff; background: var(--navy-deep); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.hero { color: #fff; background: linear-gradient(125deg, var(--navy-deep), var(--blue)); border-bottom: 5px solid var(--coral); }
.hero-inner, main { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.hero-inner { padding: 2rem 0 2.2rem; }
.hero .portal-return { color: #fff; }
.eyebrow { margin: 0 0 .35rem; color: var(--coral); font-size: .78rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
h1, h2, h3 { color: var(--navy-deep); line-height: 1.15; }
.hero h1 { max-width: 760px; margin: .3rem 0 .6rem; color: #fff; font-size: clamp(2rem, 5vw, 3.2rem); }
.hero p:last-child { max-width: 680px; margin: 0; color: #e5edf6; font-size: 1.05rem; }
main { padding: 1.2rem 0 3rem; }
.arrival-note { display: flex; gap: .4rem; align-items: baseline; margin-bottom: 1rem; padding: .85rem 1rem; color: #5d4700; background: var(--gold-soft); border: 1px solid #dec46d; border-left: 6px solid var(--gold); border-radius: 10px; }
.builder, .results { padding: 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.results { margin-top: 1rem; }
.section-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: end; }
.section-heading h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.selection-summary { min-width: 108px; padding: .55rem .75rem; color: var(--navy); background: #eaf1f8; border-radius: 999px; text-align: center; font-weight: 750; }
.selection-summary strong { font-size: 1.25rem; }
.builder-help, .result-summary { margin: .45rem 0 1rem; color: var(--muted); }
.subject-groups { display: grid; gap: 1rem; }
.subject-group { padding: .9rem; border: 1px solid var(--line); border-radius: 10px; }
.subject-group h3 { margin: 0 0 .65rem; font-size: 1rem; }
.subject-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); gap: .55rem; }
.subject-choice { position: relative; display: flex; gap: .65rem; align-items: flex-start; min-height: 62px; padding: .75rem; background: #fff; border: 1px solid #b9c4d0; border-radius: 8px; cursor: pointer; }
.subject-choice:hover { border-color: var(--blue); background: #f4f8fc; }
.subject-choice:has(input:checked) { background: #eaf1f8; border-color: var(--blue); box-shadow: inset 4px 0 var(--blue); }
.subject-choice input { width: 1.2rem; height: 1.2rem; flex: 0 0 auto; margin-top: .1rem; accent-color: var(--blue); }
.choice-name { display: block; color: var(--navy-deep); font-weight: 800; }
.choice-level { display: block; margin-top: .1rem; color: var(--muted); font-size: .82rem; }
.builder-actions, .result-actions { display: flex; flex-wrap: wrap; gap: .65rem; }
.builder-actions { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: .65rem 1rem; border: 1px solid transparent; border-radius: 8px; font: inherit; font-weight: 850; text-decoration: none; cursor: pointer; }
.button:focus-visible, input:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.button-primary { color: #fff; background: var(--navy); }
.button-secondary { color: var(--navy); background: #eaf1f8; border-color: #a8b9cb; }
.button-quiet { color: var(--navy); background: #fff; border-color: var(--line); }
.button:disabled { opacity: .45; cursor: not-allowed; }
.result-heading { align-items: start; }
.conflict-panel { margin-bottom: 1rem; }
.conflict-warning { padding: .8rem 1rem; color: #782222; background: var(--danger-soft); border: 1px solid #dd8e8e; border-left: 6px solid var(--danger); border-radius: 8px; }
.conflict-warning strong { display: block; }
.empty-state { padding: 2.2rem 1rem; color: var(--muted); background: #fafbfd; border: 1px dashed #9eacba; border-radius: 10px; text-align: center; }
.schedule { display: grid; gap: 1rem; }
.exam-day { overflow: hidden; border: 1px solid var(--line); border-radius: 11px; break-inside: avoid; }
.exam-day h3 { margin: 0; padding: .75rem 1rem; color: #fff; background: var(--blue); font-size: 1.05rem; }
.session-label { margin: 0; padding: .45rem 1rem; color: var(--navy-deep); background: var(--gold-soft); font-size: .8rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.session-label.afternoon { color: #fff; background: var(--navy); }
.exam-list { display: grid; }
.exam-card { display: grid; grid-template-columns: 92px 1fr 82px; gap: .8rem; padding: .8rem 1rem; border-top: 1px solid var(--line); }
.exam-card:first-child { border-top: 0; }
.exam-time { color: var(--navy-deep); font-size: 1.05rem; font-weight: 900; }
.exam-title { font-weight: 760; }
.exam-meta { margin-top: .15rem; color: var(--muted); font-size: .82rem; }
.exam-room { justify-self: end; color: var(--navy-deep); font-weight: 900; }
.site-footer { padding: 1.2rem; color: #dfe8f3; background: var(--navy-deep); text-align: center; font-size: .8rem; }

@media (max-width: 720px) {
  .arrival-note, .section-heading { align-items: flex-start; flex-direction: column; }
  .selection-summary { min-width: 0; }
  .exam-card { grid-template-columns: 76px 1fr; gap: .5rem; }
  .exam-room { grid-column: 2; justify-self: start; }
  .result-actions, .builder-actions { flex-direction: column; }
  .button { width: 100%; }
}

@page { size: A4 portrait; margin: 10mm; }
@media print {
  body { color: #000; background: #fff; font-size: 10pt; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .no-print, .builder, .site-footer { display: none !important; }
  main { width: 100%; padding: 0; }
  .arrival-note { margin-bottom: 4mm; box-shadow: none; }
  .results { margin: 0; padding: 0; border: 0; box-shadow: none; }
  .result-heading { margin-bottom: 3mm; }
  .result-heading h2 { font-size: 18pt; }
  .exam-day { border-radius: 0; page-break-inside: avoid; }
  .exam-card { grid-template-columns: 24mm 1fr 22mm; padding: 2mm 3mm; }
}