:root {
  --fond: #f6f5f2;
  --carte: #ffffff;
  --texte: #1f2328;
  --discret: #6b7078;
  --bord: #e3e1dc;
  --accent: #1f5f8b;
  --accent-clair: #e8f1f7;
  --ok: #1d7a46;
  --erreur: #b3261e;
  --rayon: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fond);
  color: var(--texte);
}
h1, h2, h3 { margin: 0; line-height: 1.2; }

.entete {
  display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  padding: 16px 24px; background: var(--carte); border-bottom: 1px solid var(--bord);
  position: sticky; top: 0; z-index: 5;
}
.entete h1 { font-size: 20px; }
.sous-titre { margin: 2px 0 0; color: var(--discret); font-size: 13px; }
#recherche {
  flex: 0 1 320px; padding: 9px 12px; border: 1px solid var(--bord); border-radius: 8px; font: inherit;
}

.grille {
  display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 24px;
  max-width: 1280px; margin: 0 auto; padding: 24px;
}

/* ---- Catalogue ---- */
.cat { font-size: 15px; text-transform: uppercase; letter-spacing: .04em; color: var(--discret); margin: 8px 0 10px; }
.cat:not(:first-child) { margin-top: 24px; }
.liste { display: grid; gap: 10px; }
.produit {
  display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; gap: 16px; align-items: center;
  background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 12px;
}
.produit.choisi { border-color: var(--accent); background: var(--accent-clair); }
/* Format portrait 3:4, comme les photos produits */
.vignette { padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 6px; overflow: hidden; display: block; }
.vignette img, .img-vide {
  display: block; width: 96px; aspect-ratio: 3 / 4; height: auto; object-fit: cover;
  border-radius: 6px; background: #eceae5; transition: transform .2s;
}
.vignette:hover img { transform: scale(1.04); }
.vignette:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

#zoom {
  border: 0; border-radius: var(--rayon); padding: 12px; max-width: min(92vw, 720px);
  background: var(--carte); box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
#zoom::backdrop { background: rgba(20, 22, 25, .7); }
#zoom img { display: block; max-width: 100%; max-height: 78vh; margin: 0 auto; border-radius: 6px; }
#zoom p { margin: 10px 0 0; text-align: center; font-weight: 600; }
#zoom form { position: absolute; top: 6px; right: 6px; }
.fermer {
  width: 34px; height: 34px; border: 0; border-radius: 50%; background: rgba(255,255,255,.9);
  font-size: 22px; line-height: 1; cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.produit h3 { font-size: 15px; }
.meta { margin: 2px 0 0; color: var(--discret); font-size: 13px; }
.desc { margin: 4px 0 0; font-size: 13px; color: #444; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.achat { text-align: right; }
.prix { margin: 0; font-weight: 700; font-size: 16px; }
.pvc { margin: 0; font-size: 12px; color: var(--discret); }
.achat .qte { margin-top: 6px; }
.qte { display: inline-flex; border: 1px solid var(--bord); border-radius: 8px; overflow: hidden; background: #fff; }
.qte button { width: 34px; border: 0; background: #f1f0ec; font-size: 18px; cursor: pointer; }
.qte button:hover { background: #e5e3de; }
.qte input { width: 52px; border: 0; text-align: center; font: inherit; padding: 6px 0; -moz-appearance: textfield; }
.qte input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ---- Bon de commande ---- */
.bc {
  position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 110px); overflow: auto;
  background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 18px;
}
.bc h2 { font-size: 18px; margin-bottom: 10px; }
.bc h3 { font-size: 15px; margin: 18px 0 8px; }
.vide { color: var(--discret); font-size: 14px; }
.bc table { width: 100%; border-collapse: collapse; font-size: 14px; }
.bc th { text-align: left; font-weight: 600; color: var(--discret); font-size: 12px; padding: 4px 2px; border-bottom: 1px solid var(--bord); }
.bc td { padding: 6px 2px; border-bottom: 1px solid #f0eee9; vertical-align: top; }
.c { text-align: center; } .d { text-align: right; white-space: nowrap; }
.suppr { border: 0; background: none; color: var(--discret); font-size: 18px; cursor: pointer; line-height: 1; }
.suppr:hover { color: var(--erreur); }

.totaux { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 14px 0 0; font-size: 14px; }
.totaux dt { color: var(--discret); }
.totaux dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.totaux .total { font-size: 18px; font-weight: 700; color: var(--texte); padding-top: 8px; border-top: 1px solid var(--bord); }
.mention { font-size: 12px; color: var(--discret); margin: 8px 0 0; }
.paliers { font-size: 12px; color: var(--discret); margin: 4px 0 0; }

form label { display: block; font-size: 13px; color: #444; margin-bottom: 8px; }
form input:not([type=checkbox]), form textarea {
  display: block; width: 100%; margin-top: 3px; padding: 8px 10px;
  border: 1px solid var(--bord); border-radius: 7px; font: inherit; font-size: 14px;
}
form input:focus, form textarea:focus, #recherche:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.deux { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cgv { display: flex !important; gap: 8px; align-items: flex-start; }
.piege { position: absolute; left: -9999px; }
#valider {
  width: 100%; padding: 12px; margin-top: 6px; border: 0; border-radius: 8px;
  background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer;
}
#valider:disabled { opacity: .45; cursor: not-allowed; }
#message { font-size: 14px; margin: 10px 0 0; }
#message.ok { color: var(--ok); } #message.erreur, .info.erreur { color: var(--erreur); }

.barre-mobile { display: none; }

@media (max-width: 900px) {
  .grille { grid-template-columns: 1fr; padding: 16px; }
  .bc { position: static; max-height: none; }
  .entete { padding: 12px 16px; position: static; }
  #recherche { flex-basis: 100%; }
  .barre-mobile {
    display: flex; justify-content: space-between; align-items: center; position: sticky; bottom: 0;
    padding: 12px 16px; background: var(--texte); color: #fff;
  }
  .barre-mobile a { color: #fff; }
  body { padding-bottom: 0; }
}
@media (max-width: 520px) {
  .produit { grid-template-columns: 72px minmax(0, 1fr); }
  .vignette img, .img-vide { width: 72px; }
  .achat { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; }
  .prix { margin: 0; }
  .deux { grid-template-columns: 1fr; }
}