/* Supports de cours téléchargeables (supports.js). */
.nav-dl {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); border: 1px solid var(--accent); color: #fff;
  padding: 8px 16px; border-radius: 999px; cursor: pointer; font-size: 0.88rem; font-weight: 700;
  white-space: nowrap; font-family: inherit;
}
.nav-dl:hover { background: var(--accent-600); }
.nav-dl svg { vertical-align: 0 !important; }
@media (max-width: 640px) {
  .nav-dl { padding: 7px 10px; font-size: 0.76rem; }
}
/* À 4 boutons, le libellé ne tient plus : l'icône seule (nom lu : aria-label). */
@media (max-width: 520px) {
  .nav-dl .nav-dl-label { display: none; }
}

.sup-card { width: min(560px, 100%); padding: 20px; }
.sup-intro { margin: 0 0 12px; font-size: 0.9rem; }
.sup-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sup-item {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; background: var(--ivory-soft);
}
.sup-texte { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.sup-matiere { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--accent-600); }
.sup-titre { color: var(--ink); font-size: 0.98rem; }
.sup-sub { color: var(--ink-soft); font-size: 0.82rem; }
.sup-btn {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  border: none; border-radius: 999px; background: var(--ink); color: #fff; text-decoration: none;
  font-weight: 700; font-size: 0.84rem; padding: 8px 14px; cursor: pointer; font-family: inherit;
}
.sup-btn:hover { background: var(--accent); }
.sup-btn svg { vertical-align: 0 !important; }
.sup-btn--lock { background: var(--card); color: var(--ink); border: 1px solid var(--border); }
.sup-btn--lock:hover { background: var(--card); border-color: var(--accent); color: var(--ink); }
@media (max-width: 480px) {
  .sup-item { flex-direction: column; align-items: stretch; }
  .sup-btn { justify-content: center; }
}