:root {
  color-scheme: light dark;
  --fond: #f6f4ef;
  --carte: #fffdf9;
  --texte: #1d1b18;
  --doux: #6b655c;
  --trait: #dcd6ca;
  --accent: #b3402e;
  --accent-texte: #fff;
  --ok: #2f6b4a;
  --rayon: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fond: #171614;
    --carte: #201f1c;
    --texte: #ece8e0;
    --doux: #a39c90;
    --trait: #37342f;
    --accent: #e0705c;
    --accent-texte: #1a1210;
    --ok: #7cc49b;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font: 16px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; }
body { margin: 0; background: var(--fond); color: var(--texte); min-height: 100vh; }
h1 { font: 600 1.35rem/1.2 ui-serif, "Iowan Old Style", Georgia, serif; letter-spacing: -0.01em; margin: 0; }

main { max-width: 720px; margin: 0 auto; padding: 28px 16px 64px; }
.entete { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }

button, .bouton { font: inherit; font-size: 0.9rem; border-radius: 8px; padding: 7px 13px; cursor: pointer; border: 1px solid var(--trait); background: var(--carte); color: var(--texte); }
button:hover, .depot:hover .bouton { border-color: var(--doux); }
button:focus-visible, input:focus-visible, textarea:focus-visible, .depot:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
button.plein { background: var(--accent); border-color: var(--accent); color: var(--accent-texte); font-weight: 600; }
button.discret { background: none; color: var(--doux); }
button.discret:hover { color: var(--texte); }
button:disabled { opacity: 0.5; cursor: default; }

.avis { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 0 0 14px; padding: 12px 14px; border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--trait)); border-radius: var(--rayon); background: color-mix(in srgb, var(--accent) 8%, var(--carte)); font-size: 0.92rem; }
.depot { display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; padding: 40px 20px; border: 1.5px dashed var(--trait); border-radius: var(--rayon); background: var(--carte); cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.depot svg { color: var(--doux); margin-bottom: 4px; }
.depot strong { font-size: 1.05rem; }
.depot span { color: var(--doux); font-size: 0.9rem; }
.depot .bouton { margin-top: 10px; color: var(--texte); }
.depot input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.depot.survol { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--carte)); }

.erreur { color: var(--accent); font-size: 0.9rem; margin: 8px 0 0; min-height: 1.3em; }

.livres { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.livre { background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 14px 16px; }
.livre-haut { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.livre h2 { font: 600 1rem/1.3 ui-serif, "Iowan Old Style", Georgia, serif; margin: 0; overflow-wrap: anywhere; }
.livre .auteur { color: var(--doux); font-size: 0.85rem; margin: 2px 0 0; }
.livre .etat { color: var(--doux); font-size: 0.85rem; margin: 10px 0 0; font-variant-numeric: tabular-nums; }
.livre .etat.ok { color: var(--ok); }
.livre .etat.ko { color: var(--accent); }
.livre .supprimer { padding: 2px 8px; border: 0; flex: none; }
progress { display: block; width: 100%; height: 6px; margin-top: 10px; appearance: none; border: 0; border-radius: 3px; overflow: hidden; background: var(--trait); }
progress::-webkit-progress-bar { background: var(--trait); }
progress::-webkit-progress-value { background: var(--accent); transition: width 0.4s; }
progress::-moz-progress-bar { background: var(--accent); }
.exports { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.exports a { font-size: 0.85rem; font-weight: 600; text-decoration: none; color: var(--texte); border: 1px solid var(--trait); border-radius: 8px; padding: 6px 14px; }
.exports a:hover { border-color: var(--accent); color: var(--accent); }
.exports a.attente { opacity: 0.55; pointer-events: none; }

.connexion { max-width: 300px; margin: 18vh auto 0; padding: 0 16px; display: grid; gap: 10px; }
.connexion h1 { margin-bottom: 10px; }
.connexion label { font-size: 0.9rem; color: var(--doux); }
.connexion .aide { margin-bottom: 6px; }
.cle { flex: 1; display: grid; gap: 8px; align-content: start; }
.cle label { font-size: 0.9rem; color: var(--doux); }
input[type="password"] { font: inherit; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--trait); background: var(--carte); color: var(--texte); }

dialog { width: min(760px, calc(100vw - 24px)); height: min(720px, calc(100vh - 24px)); padding: 0; border: 1px solid var(--trait); border-radius: 14px; background: var(--carte); color: var(--texte); }
dialog::backdrop { background: rgb(0 0 0 / 0.45); }
.reglages { display: flex; flex-direction: column; height: 100%; padding: 16px; gap: 10px; }
.reglages header, .reglages footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.onglets { display: flex; gap: 4px; background: var(--fond); padding: 3px; border-radius: 10px; }
.onglets button { border: 0; background: none; color: var(--doux); padding: 6px 14px; }
.onglets button[aria-selected="true"] { background: var(--carte); color: var(--texte); font-weight: 600; box-shadow: 0 0 0 1px var(--trait); }
.aide { margin: 0; color: var(--doux); font-size: 0.88rem; }
textarea { flex: 1; min-height: 0; resize: none; font: 0.88rem/1.55 ui-monospace, "SF Mono", Menlo, Consolas, monospace; padding: 12px; border: 1px solid var(--trait); border-radius: 8px; background: var(--fond); color: var(--texte); }
.reglages .etat { flex: 1; text-align: right; color: var(--doux); font-size: 0.85rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }