:root { --fond: #fdfcfa; --texte: #222; --accent: #8a3b12; --bord: #ddd; --discret: #666; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--texte); background: var(--fond); }
header { display: flex; flex-wrap: wrap; gap: .8em; justify-content: space-between; align-items: center; padding: .8em 1.2em; border-bottom: 1px solid var(--bord); background: #fff; }
.marque { font-weight: 700; color: var(--texte); text-decoration: none; }
.marque span { color: var(--accent); }
nav a { margin-left: 1em; color: var(--accent); }
main { max-width: 860px; margin: 0 auto; padding: 1.2em; }
footer { max-width: 860px; margin: 2em auto; padding: 0 1.2em; font-size: .85em; color: var(--discret); }
h1 { font-size: 1.6em; margin-top: .4em; }
label { display: block; margin: .6em 0; font-weight: 600; }
input, textarea, select { display: block; width: 100%; margin-top: .25em; padding: .45em .55em; font: inherit; font-weight: 400; border: 1px solid #bbb; border-radius: 6px; background: #fff; }
fieldset { border: 1px solid var(--bord); border-radius: 8px; margin: 1em 0; padding: .6em 1em 1em; background: #fff; }
legend { font-weight: 700; padding: 0 .3em; }
button { font: inherit; padding: .45em .9em; border-radius: 6px; border: 1px solid var(--accent); background: #fff; color: var(--accent); cursor: pointer; }
button.principal { background: var(--accent); color: #fff; padding: .6em 1.2em; }
.recherche { display: flex; flex-wrap: wrap; gap: .5em; align-items: flex-end; }
.recherche label { flex: 1 1 100%; margin: 0; }
.recherche input { flex: 1 1 260px; display: inline-block; width: auto; }
.resultats { list-style: none; padding: 0; }
.resultats li { padding: .5em 0; border-bottom: 1px solid var(--bord); }
.resultats form { display: flex; flex-wrap: wrap; gap: .6em; align-items: center; }
.resultats button { margin-left: auto; }
.discret { color: var(--discret); font-weight: 400; font-size: .92em; }
.erreurs { border: 1px solid #c33; background: #fdeaea; border-radius: 6px; padding: .3em 1em; margin: 1em 0; }
.ligne { display: flex; gap: 1em; flex-wrap: wrap; }
.ligne label { flex: 1 1 200px; }
.genres { margin: .6em 0; }
.genres > span { display: block; font-weight: 600; }
label.case { display: inline-flex; align-items: center; gap: .3em; font-weight: 400; margin: .2em 1em .2em 0; }
label.case input { width: auto; display: inline; margin: 0; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .35em .5em; border-bottom: 1px solid var(--bord); vertical-align: top; }
table.livres td:first-child { width: 6em; }
table.livres input { width: auto; display: inline; }
.piege { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 600px) { nav a { margin-left: .6em; } main { padding: .8em; } }