/* ── Cours enrichis ─────────────────────────────────────────────── */
.cours-body { font-family:'Plus Jakarta Sans',sans-serif; color:var(--text); line-height:1.8; }

/* Sections */
.cours-section { margin-bottom:32px; }
.cours-h2 {
  font-size:18px; font-weight:700; letter-spacing:-.3px;
  padding-bottom:10px; margin-bottom:16px;
  border-bottom:2px solid var(--border);
  display:flex; align-items:center; gap:10px;
}
.cours-h2-icon { font-size:20px; }
.cours-h3 { font-size:15px; font-weight:600; color:var(--text); margin:18px 0 10px; }
.cours-p { font-size:14px; color:var(--text2); line-height:1.85; margin-bottom:12px; }
.cours-p strong { color:var(--text); font-weight:600; }

/* Encadrés */
.encadre {
  border-radius:12px; padding:16px 18px; margin:16px 0;
  display:flex; gap:14px; align-items:flex-start;
}
.encadre-icon { font-size:20px; flex-shrink:0; margin-top:1px; }
.encadre-content { flex:1; }
.encadre-title { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.6px; margin-bottom:6px; }
.encadre-text { font-size:13px; line-height:1.75; }

.encadre.info    { background:rgba(79,142,247,0.1);  border:1px solid rgba(79,142,247,0.25); }
.encadre.info    .encadre-title { color:#4f8ef7; }
.encadre.info    .encadre-text  { color:rgba(200,220,255,0.85); }

.encadre.success { background:rgba(34,211,165,0.1);  border:1px solid rgba(34,211,165,0.25); }
.encadre.success .encadre-title { color:var(--green); }
.encadre.success .encadre-text  { color:rgba(180,240,220,0.85); }

.encadre.warn    { background:rgba(245,158,11,0.1);  border:1px solid rgba(245,158,11,0.25); }
.encadre.warn    .encadre-title { color:var(--certif); }
.encadre.warn    .encadre-text  { color:rgba(255,220,150,0.85); }

.encadre.danger  { background:rgba(255,82,82,0.1);   border:1px solid rgba(255,82,82,0.25); }
.encadre.danger  .encadre-title { color:var(--red); }
.encadre.danger  .encadre-text  { color:rgba(255,180,180,0.85); }

.encadre.exemple { background:rgba(108,99,255,0.1);  border:1px solid rgba(108,99,255,0.25); }
.encadre.exemple .encadre-title { color:var(--bc01); }
.encadre.exemple .encadre-text  { color:rgba(200,195,255,0.85); }

/* Blocs de code */
.code-block {
  background:#0d1117; border:1px solid rgba(255,255,255,0.08);
  border-radius:10px; padding:16px 18px; margin:14px 0;
  font-family:'JetBrains Mono',monospace; font-size:12.5px;
  line-height:1.8; overflow-x:auto; position:relative;
}
.code-lang {
  position:absolute; top:8px; right:12px;
  font-size:10px; font-weight:700; color:rgba(255,255,255,0.3);
  text-transform:uppercase; letter-spacing:.5px;
}
.code-comment { color:#6a737d; }
.code-keyword { color:#ff7b72; }
.code-string  { color:#a5d6ff; }
.code-var     { color:#ffa657; }
.code-func    { color:#d2a8ff; }
.code-value   { color:#79c0ff; }
.code-output  { color:#56d364; }
.code-line    { display:block; }

/* Schémas SVG */
.schema-wrap {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:14px; padding:20px; margin:18px 0;
  text-align:center;
}
.schema-caption {
  font-size:12px; color:var(--text3); margin-top:12px;
  font-style:italic; text-align:center;
}

/* Images d'illustration */
.illus-wrap {
  border-radius:14px; overflow:hidden; margin:18px 0;
  border:1px solid var(--border); position:relative;
}
.illus-wrap img { width:100%; display:block; filter:brightness(.9) saturate(.9); }
.illus-caption {
  padding:10px 14px; background:var(--bg3);
  font-size:12px; color:var(--text3); font-style:italic;
}

/* Tableaux */
.cours-table { width:100%; border-collapse:collapse; margin:16px 0; font-size:13px; }
.cours-table th {
  background:var(--bg3); padding:10px 14px; text-align:left;
  font-size:11px; font-weight:700; text-transform:uppercase;
  letter-spacing:.5px; color:var(--text3);
  border-bottom:1px solid var(--border);
}
.cours-table td { padding:10px 14px; border-bottom:1px solid var(--border); color:var(--text2); }
.cours-table tr:hover td { background:var(--bg3); }
.cours-table tr:last-child td { border-bottom:none; }

/* Listes stylées */
.cours-list { margin:10px 0 14px 0; display:grid; gap:7px; }
.cours-list-item {
  display:flex; align-items:flex-start; gap:10px;
  font-size:13px; color:var(--text2); line-height:1.7;
}
.cours-list-bullet {
  width:6px; height:6px; border-radius:50%;
  background:var(--bc01); flex-shrink:0; margin-top:7px;
}
.cours-list-bullet.green  { background:var(--green); }
.cours-list-bullet.orange { background:var(--certif); }
.cours-list-bullet.red    { background:var(--red); }

/* Quiz intégré */
.cours-quiz { margin-top:28px; }
.cours-quiz-title {
  font-size:14px; font-weight:700; margin-bottom:14px;
  display:flex; align-items:center; gap:8px;
  padding:12px 16px; background:var(--bg3);
  border-radius:10px; border:1px solid var(--border);
}
.cours-quiz-q { margin-bottom:14px; }
.cours-quiz-q-text { font-size:13px; font-weight:600; margin-bottom:8px; color:var(--text); }
.cours-quiz-opts { display:grid; gap:6px; }
.cours-quiz-opt {
  padding:9px 14px; border-radius:8px;
  border:1px solid var(--border2); background:var(--bg3);
  font-size:13px; cursor:pointer; transition:all .15s;
  display:flex; align-items:center; gap:10px; color:var(--text2);
  text-align:left; width:100%;
}
.cours-quiz-opt:hover:not(:disabled) { border-color:var(--bc01); color:var(--bc01); background:var(--bc01-bg); }
.cours-quiz-opt.correct { border-color:var(--green); background:rgba(34,211,165,.12); color:var(--green); }
.cours-quiz-opt.wrong   { border-color:var(--red);   background:rgba(255,82,82,.1);   color:var(--red); }
.cours-quiz-opt.reveal  { border-color:rgba(34,211,165,.2); opacity:.5; }
.cours-quiz-letter {
  width:24px; height:24px; border-radius:50%; flex-shrink:0;
  background:var(--bg4); display:flex; align-items:center;
  justify-content:center; font-size:10px; font-weight:700;
  font-family:'JetBrains Mono',monospace;
}
.cours-quiz-expl {
  margin-top:8px; padding:10px 14px; border-radius:8px;
  font-size:12px; line-height:1.6;
}
.cours-quiz-expl.ok  { background:rgba(34,211,165,.1); color:#6ee7b7; border:1px solid rgba(34,211,165,.2); }
.cours-quiz-expl.ko  { background:rgba(255,82,82,.1);  color:#fca5a5; border:1px solid rgba(255,82,82,.2); }

/* Progression lecture */
.cours-progress-bar {
  height:3px; background:var(--bg4); border-radius:2px;
  position:sticky; top:0; z-index:10; margin:-24px -24px 20px;
}
.cours-progress-fill {
  height:100%; background:var(--bc01-g); border-radius:2px;
  transition:width .1s; width:0%;
}