@font-face { font-family: 'Libron'; src: url('/Libron-Regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Libron'; src: url('/Libron-Bold.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Libron'; src: url('/Libron-Italic.woff2') format('woff2'); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --fond: #f6f3ec;
  --surface: #fffdf8;
  --texte: #23211d;
  --doux: #6d675c;
  --bord: #ded7c8;
  --accent: #3d5a4b;
  --danger: #8c2f24;
  --rayon: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0 auto; max-width: 1080px; padding: 24px 20px 64px;
  background: var(--fond); color: var(--texte);
  font-family: 'Libron', Georgia, serif; font-size: 17px; line-height: 1.55;
}
h1, h2, h3 { line-height: 1.2; font-weight: 700; }
h1 { font-size: 2rem; margin: 0 0 4px; }
h2 { font-size: 1.3rem; margin: 0 0 12px; }
h3 { font-size: 1.1rem; margin: 20px 0 8px; }
.sous-titre { color: var(--doux); margin: 0 0 28px; }
[hidden] { display: none !important; }
label { display: block; margin: 14px 0 6px; font-weight: 700; }
input, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--bord); border-radius: var(--rayon);
  background: var(--surface); color: var(--texte); font: inherit;
}
textarea { resize: vertical; min-height: 260px; }
button, .bouton {
  display: inline-block; margin-top: 10px; padding: 9px 16px; border: 0; border-radius: var(--rayon);
  background: var(--accent); color: #fff; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none;
}
button:hover, .bouton:hover { filter: brightness(1.08); }
button:focus-visible, input:focus-visible, textarea:focus-visible, .bouton:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.danger { background: var(--danger); }
.message { min-height: 1.5em; color: var(--danger); }
.avertissement { padding: 12px 14px; border-left: 4px solid var(--danger); background: #fff4ef; }
.barre { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 16px; border: 1px solid var(--bord); border-radius: var(--rayon); background: var(--surface); }
.barre-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.barre-actions button, .barre-actions .bouton { margin-top: 0; }
#compte-a-rebours { margin: 0; font-weight: 700; }
#compte-a-rebours.bientot { color: var(--danger); }
.grille { display: grid; grid-template-columns: 280px 1fr; gap: 24px; margin-top: 24px; }
.dossiers, .contenu { min-width: 0; }
.dossiers { border-right: 1px solid var(--bord); padding-right: 20px; }
#arbre, .fichiers, #resultats-recherche ul { list-style: none; padding: 0; margin: 0; }
#arbre li { margin: 2px 0; }
#arbre button { margin: 0; padding: 6px 10px; width: 100%; text-align: left; background: transparent; color: var(--texte); font-weight: 400; }
#arbre button.actif { background: var(--accent); color: #fff; }
#arbre .niveau-1 { padding-left: 22px; }
#arbre .niveau-2 { padding-left: 38px; }
#arbre .niveau-3 { padding-left: 54px; }
.ligne-formulaire { display: flex; gap: 8px; margin: 12px 0; }
.ligne-formulaire input { flex: 1; }
.ligne-formulaire button { margin-top: 0; white-space: nowrap; }
.entete-contenu { display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; justify-content: space-between; }
.entete-contenu h2 { margin: 0; }
.entete-contenu form { margin: 0; }
.actions-fichiers { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0 4px; }
.actions-fichiers .ligne-formulaire { margin: 0; flex: 1 1 280px; }
.fichiers li { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; padding: 10px 12px; border-bottom: 1px solid var(--bord); }
.fichiers .nom { flex: 1 1 240px; word-break: break-word; }
.fichiers .type { color: var(--doux); font-size: .9rem; }
.fichiers .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.fichiers .actions button, .fichiers .actions a { margin-top: 0; padding: 6px 10px; font-size: .95rem; }
.ligne-boutons { display: flex; gap: 10px; flex-wrap: wrap; }
.danger-zone { margin-top: 32px; padding: 18px; border: 2px solid var(--danger); border-radius: var(--rayon); background: #fff4ef; }
#apercu-contenu iframe { width: 100%; height: 70vh; border: 1px solid var(--bord); border-radius: var(--rayon); background: #fff; }
#apercu-contenu img { max-width: 100%; border: 1px solid var(--bord); border-radius: var(--rayon); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
@media (max-width: 760px) {
  .grille { grid-template-columns: 1fr; }
  .dossiers { border-right: 0; border-bottom: 1px solid var(--bord); padding-right: 0; padding-bottom: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }