/* ============================================================
   sommaire.css — Pages sommaire (portail par classe/matière)
   Refonte visuelle — handoff Maths·Sciences LP
   Chargé par les pages maths-*.html / pc-*.html dotées du
   nouveau chrome (nav navy + en-tête + footer).
   ============================================================ */

:root {
  --navy: #15314f;
  --blue: #2563eb;      --blue-d: #1d4ed8;
  --blue-bg: #eff6ff;   --blue-bd: #dbe7ff;
  --card: #fff;         --card-bd: #e6eaf0;
  --ink: #1e293b;       --ink-2: #475569; --ink-3: #64748b; --ink-4: #64748b;
  --shadow: 0 1px 3px rgba(8,20,38,.05);
  --ui: 'Hanken Grotesk', -apple-system, 'Segoe UI', system-ui, Roboto, sans-serif;
  --serif: 'Spectral', Georgia, serif;
  --sc: 'Spectral SC', 'Hanken Grotesk', serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--ui);
  background: #f4f6f9;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
::selection { background: #cfe0ff; }

/* ── Barre de navigation ── */
.topnav {
  background: var(--navy);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 4px 16px rgba(8,20,38,.25);
}
.topnav-inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; align-items: center; gap: 14px; padding: 11px 18px;
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.brand-logo {
  width: 27px; height: 27px; border-radius: 7px;
  background: linear-gradient(135deg, var(--blue), var(--blue-d));
  display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.brand-name { color: #fff; font-weight: 800; font-size: .92rem; letter-spacing: -.01em; }
.brand-name span { color: #7da6e8; font-weight: 600; }
.topnav-back { margin-left: auto; color: #bcd0ea; text-decoration: none; font-weight: 600; font-size: .86rem; }
.topnav-back:hover { color: #fff; }

/* ── En-tête (bandeau navy + quadrillage) ── */
.so-header {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, #13294a, #1e457f);
}
.so-header::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 46px 46px;
}
.so-header-inner { position: relative; max-width: 1000px; margin: 0 auto; padding: 38px 18px 32px; }
.so-eyebrow {
  font-family: var(--sc);
  font-size: .74rem; font-weight: 600; letter-spacing: .1em; color: #9ec2f2; margin-bottom: 12px;
}
.so-header h1 {
  font-family: var(--ui);
  font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -.025em;
  line-height: 1.05; margin: 0 0 10px;
}
.so-sub { font-family: var(--serif); font-size: 1.08rem; color: #dbe7f8; margin: 0; max-width: 580px; }
/* Badge éventuel dans le titre (ex. CAP « Groupement 1 ») */
.so-header h1 .badge {
  display: inline-block; vertical-align: middle; margin-left: 10px;
  font-family: var(--ui); font-size: .5em; font-weight: 700; letter-spacing: .02em;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.32);
  color: #fff; padding: 3px 11px; border-radius: 20px;
}

/* ── Corps ── */
.so-main { max-width: 1000px; margin: 0 auto; padding: 32px 18px 56px; }

/* Encadré d'introduction (sommaires GT) */
.so-intro {
  background: var(--card); border: 1px solid var(--card-bd); border-left: 4px solid var(--blue);
  border-radius: 0 12px 12px 0; padding: 14px 18px; margin-bottom: 24px;
  font-family: var(--serif); font-size: .96rem; color: var(--ink-2); line-height: 1.6;
}
.so-intro a { color: var(--blue); text-decoration: none; }
.so-intro a:hover { text-decoration: underline; }

.domain { margin-bottom: 34px; }
.domain-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.domain-ico {
  width: 32px; height: 32px; border-radius: 9px; background: var(--blue-bg); border: 1px solid var(--blue-bd);
  display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.domain-title {
  font-family: var(--ui);
  font-size: 1.05rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em;
  color: var(--blue-d); margin: 0;
}
.domain-rule { flex: 1; height: 1px; background: #e2e8f0; }

/* ── Ligne chapitre ── */
.chrow {
  background: var(--card); border: 1px solid var(--card-bd); border-radius: 12px;
  padding: 14px 18px; margin-bottom: 9px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  transition: border-color .2s;
}
.chrow:hover { border-color: var(--blue); }
.chrow-info { display: flex; align-items: center; gap: 13px; flex: 1; min-width: 220px; }
.chrow-num { font-family: var(--ui); font-weight: 800; color: #c3d4ec; font-size: 1.05rem; width: 24px; flex-shrink: 0; }
.chrow-title { font-family: var(--ui); font-weight: 700; color: var(--navy); font-size: 1rem; text-decoration: none; }
.chrow-title:hover { color: var(--blue); }
.ch-badge {
  display: inline-block; margin-left: 8px; font-family: var(--ui);
  font-size: .68rem; font-weight: 700; padding: 2px 9px; border-radius: 11px; white-space: nowrap;
}
.badge-compl { color: #5b21b6; background: #f3e8ff; border: 1px solid #d8b4fe; }
.badge-hors  { color: #92400e; background: #fef3c7; border: 1px solid #fcd34d; }

/* ── Pills de ressources ── */
.chrow-links { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-family: var(--ui); font-size: .78rem; font-weight: 600; color: var(--ink-2);
  text-decoration: none; padding: 4px 11px; border-radius: 7px;
  background: #f1f5f9; border: 1px solid #e2e8f0; transition: background .15s, color .15s, border-color .15s;
}
.chip:hover { background: var(--navy); color: #fff; border-color: transparent; }
.chip-cours { font-weight: 700; color: var(--blue-d); background: var(--blue-bg); border-color: var(--blue-bd); }
.chip-cours:hover { background: var(--blue); color: #fff; border-color: transparent; }
.chip-sim { color: #c2601a; background: #fff8f0; border-color: #fcd1a0; }
.chip-sim:hover { background: #c2601a; color: #fff; border-color: transparent; }
.chip-fam { color: #166534; background: #f0fdf4; border-color: #bbf7d0; }
.chip-fam:hover { background: #16a34a; color: #fff; border-color: transparent; }

/* ── Sommaire BTS : badges de groupement, légende, cartes filières ── */
.g { display: inline-block; font-family: var(--ui); font-size: .68rem; font-weight: 700; padding: 2px 8px; border-radius: 12px; margin: 0 2px; vertical-align: middle; }
.g-b1 { background: #dbeafe; color: #1e40af; }
.g-b2 { background: #e0e7ff; color: #3730a3; }
.g-b3 { background: #ede9fe; color: #5b21b6; }
.g-c1 { background: #dcfce7; color: #166534; }
.g-c2 { background: #fef9c3; color: #854d0e; }
.g-d1 { background: #fce7f3; color: #9d174d; }
.g-d2 { background: #ffe4e6; color: #9f1239; }
.g-all { background: #f1f5f9; color: #334155; border: 1px solid #cbd5e0; }
.so-legend { background: var(--card); border: 1px solid var(--card-bd); border-radius: 14px; padding: 18px 20px; margin-bottom: 26px; box-shadow: var(--shadow); }
.so-legend-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 9px 16px; }
.so-legend-item { font-family: var(--ui); font-size: .84rem; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.so-btscards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 13px; }
.so-btscard { background: var(--card); border: 1px solid var(--card-bd); border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow); }
.so-btscard h4 { font-family: var(--ui); margin: 0 0 6px; font-size: .96rem; color: var(--navy); font-weight: 800; }
.so-btscard p { margin: 0 0 8px; font-size: .84rem; color: var(--ink-3); }
.so-btscard .bts-list { font-family: var(--serif); font-size: .82rem; color: var(--ink-3); line-height: 1.5; }

/* ── Outils de bas de page ── */
.so-tools {
  display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
  margin-top: 42px; padding-top: 24px; border-top: 1px solid #e2e8f0;
}
.tool-link {
  font-family: var(--ui); font-size: .84rem; font-weight: 600; color: var(--ink-2); text-decoration: none;
  padding: 8px 16px; background: var(--card); border: 1px solid var(--card-bd); border-radius: 9px;
  box-shadow: var(--shadow); transition: border-color .15s, color .15s;
}
.tool-link:hover { border-color: var(--blue); color: var(--blue); }

/* ── Footer ── */
.so-footer { background: var(--navy); color: #9ec2f2; text-align: center; padding: 22px 16px; }
.so-footer p { margin: 0; font-size: .82rem; font-family: var(--ui); }

/* ── Bouton de recherche flottant (nav.js) : repositionné sous la nav ── */
#sn-search-btn { top: auto !important; bottom: 22px; right: 22px; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .chrow { gap: 10px; }
  .chrow-info { min-width: 100%; }
  .chrow-links { width: 100%; }
}

/* ── Impression ── */
@media print {
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  @page { margin: 12mm; }
  .topnav, .so-footer, #sn-search-btn, #sn-search-overlay { display: none !important; }
  .so-header { background: #13294a !important; }
  .chrow { break-inside: avoid; box-shadow: none; }
  a { text-decoration: none !important; }
}