:root {
  --fond: #f4f5f7;
  --surface: #ffffff;
  --encre: #1c2330;
  --encre-douce: #5b6577;
  --ligne: #e1e4ea;
  --nav: #172033;
  --nav-encre: #c9d1e0;
  --accent: #2563c9;
  --accent-doux: #e8effb;
  --ok: #1d7a4a;
  --ok-doux: #e5f4ec;
  --alerte: #b26b00;
  --alerte-doux: #fdf3e1;
  --danger: #b42323;
  --danger-doux: #fbe9e9;
  --transit: #6b46c1;
  --transit-doux: #f0ebfb;
  --rayon: 8px;
}
* { box-sizing: border-box; }
html { font-size: 14px; }
body {
  margin: 0; background: var(--fond); color: var(--encre);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 4px; font-weight: 650; }
h2 { font-size: 1.15rem; margin: 0 0 12px; font-weight: 620; }
h3 { font-size: 1rem; margin: 18px 0 8px; font-weight: 620; }
.sous-titre { color: var(--encre-douce); margin: 0 0 20px; }

/* Mise en page */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.nav { background: var(--nav); color: var(--nav-encre); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.nav .logo { color: #fff; font-weight: 700; font-size: 1.05rem; padding: 4px 10px 18px; letter-spacing: .2px; }
.nav .logo small { display: block; font-weight: 400; color: var(--nav-encre); font-size: .8rem; }
.nav .groupe { text-transform: uppercase; font-size: .7rem; letter-spacing: .08em; color: #7d8aa3; margin: 16px 10px 6px; }
.nav a { display: block; color: var(--nav-encre); padding: 7px 10px; border-radius: 6px; }
.nav a:hover { background: #22304a; text-decoration: none; color: #fff; }
.nav a.actif { background: var(--accent); color: #fff; }
.nav .bientot { display: block; color: #56627a; padding: 7px 10px; font-size: .92rem; }
.nav .bientot em { font-style: normal; font-size: .7rem; border: 1px solid #3a4660; border-radius: 4px; padding: 0 4px; margin-left: 4px; }
.nav .utilisateur { margin-top: 24px; border-top: 1px solid #2a3753; padding: 14px 10px 0; font-size: .85rem; }
.contenu { padding: 28px 32px 60px; max-width: 1400px; width: 100%; }
.entete { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Cartes et grilles */
.carte { background: var(--surface); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 18px 20px; margin-bottom: 18px; }
.grille { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpi { background: var(--surface); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 14px 16px; }
.kpi .libelle { color: var(--encre-douce); font-size: .85rem; }
.kpi .valeur { font-size: 1.55rem; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .detail { color: var(--encre-douce); font-size: .8rem; }
.kpi.transit { border-left: 4px solid var(--transit); }
.kpi.reel { border-left: 4px solid var(--ok); }
.kpi.alerte { border-left: 4px solid var(--alerte); }

/* Tableaux */
.tableau-conteneur { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--ligne); text-align: left; vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--encre-douce); font-weight: 600; background: #fafbfc; white-space: nowrap; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td a { white-space: nowrap; }
tr:hover td { background: #fafbfd; }
td.transit, th.transit { background: var(--transit-doux); }
tfoot td { font-weight: 650; background: #fafbfc; }
.pos { color: var(--ok); }
.neg { color: var(--danger); }
.muet { color: var(--encre-douce); }
.petit { font-size: .85rem; }

/* Étiquettes */
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: #eef0f4; color: var(--encre-douce); white-space: nowrap; }
.badge.ok { background: var(--ok-doux); color: var(--ok); }
.badge.alerte { background: var(--alerte-doux); color: var(--alerte); }
.badge.danger { background: var(--danger-doux); color: var(--danger); }
.badge.transit { background: var(--transit-doux); color: var(--transit); }
.badge.info { background: var(--accent-doux); color: var(--accent); }

/* Boutons et formulaires */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--ligne); background: var(--surface); color: var(--encre); cursor: pointer; font: inherit; font-weight: 550; }
.btn:hover { background: #f1f3f6; text-decoration: none; }
.btn.primaire { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primaire:hover { background: #1d52aa; }
.btn.danger { color: var(--danger); }
.btn.petit { padding: 3px 9px; font-size: .85rem; }
form.ligne { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end; }
form.ligne > * { margin: 0; }
label { display: block; font-size: .85rem; font-weight: 550; margin-bottom: 4px; }
input[type=text], input[type=number], input[type=date], input[type=email], input[type=password], input:not([type]), select, textarea {
  font: inherit; padding: 7px 9px; border: 1px solid #cfd4dd; border-radius: 6px; background: #fff; color: var(--encre); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-doux); border-color: var(--accent); }
.champ { margin-bottom: 12px; }
.champ .aide { color: var(--encre-douce); font-size: .78rem; margin-top: 3px; }
.champ ul.errorlist, ul.errorlist { color: var(--danger); margin: 4px 0 0; padding-left: 16px; font-size: .85rem; }
.form-grille { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0 16px; }
.radio-ligne ul, .radio-ligne > div { display: flex; gap: 16px; list-style: none; padding: 0; margin: 0; }
.radio-ligne label { font-weight: 500; display: inline-flex; gap: 6px; align-items: center; }
.checkbox-liste ul, .checkbox-liste > div { list-style: none; padding: 0; margin: 0; display: flex; gap: 14px; flex-wrap: wrap; }
.checkbox-liste label { font-weight: 500; display: inline-flex; gap: 6px; }
input.court { width: 110px; }

/* Messages */
.messages { list-style: none; padding: 0; margin: 0 0 16px; }
.messages li { padding: 10px 14px; border-radius: 6px; margin-bottom: 6px; background: var(--accent-doux); }
.messages .success { background: var(--ok-doux); color: #14532d; }
.messages .warning { background: var(--alerte-doux); color: #7a4a00; }
.messages .error { background: var(--danger-doux); color: #7f1d1d; }

/* Onglets */
.onglets { display: flex; gap: 2px; border-bottom: 1px solid var(--ligne); margin-bottom: 18px; flex-wrap: wrap; }
.onglets a { padding: 9px 14px; color: var(--encre-douce); border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 550; }
.onglets a.actif { color: var(--accent); border-color: var(--accent); }
.onglets a:hover { text-decoration: none; color: var(--encre); }

/* Fiche produit */
.fiche-tete { display: flex; gap: 18px; align-items: center; }
.vignette { width: 72px; height: 72px; border-radius: 8px; object-fit: cover; border: 1px solid var(--ligne); background: #fff; }
.vignette.vide { display: grid; place-items: center; color: #a0a8b6; font-size: .7rem; }
.vignette.mini { width: 36px; height: 36px; border-radius: 6px; }
dl.infos { display: grid; grid-template-columns: 200px 1fr; gap: 6px 14px; margin: 0; }
dl.infos dt { color: var(--encre-douce); }
dl.infos dd { margin: 0; }
.galerie { display: flex; gap: 12px; flex-wrap: wrap; }
.galerie figure { margin: 0; border: 1px solid var(--ligne); border-radius: 8px; padding: 8px; background: #fff; width: 170px; }
.galerie img { width: 100%; height: 130px; object-fit: contain; }
.galerie figcaption { display: flex; gap: 4px; justify-content: space-between; margin-top: 6px; }
.etats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.pagination { display: flex; gap: 6px; align-items: center; margin-top: 12px; }
.vide-etat { text-align: center; color: var(--encre-douce); padding: 28px; }
.connexion { max-width: 380px; margin: 12vh auto; }

.fiche-produit { display: grid; grid-template-columns: minmax(260px, 380px) 1fr; gap: 16px; }
.grande-image { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; border-radius: 8px; background: #fff; display: block; }
.grande-image.vide { display: grid; place-items: center; color: #a0a8b6; background: #f7f8fa; border: 1px dashed var(--ligne); }
.miniatures { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.miniatures img { width: 56px; height: 56px; object-fit: contain; border: 1px solid var(--ligne); border-radius: 6px; cursor: pointer; background: #fff; }
dl.infos.compact { grid-template-columns: 130px 1fr; }

@media (max-width: 900px) {
  .fiche-produit { grid-template-columns: 1fr; }
  .app { grid-template-columns: 1fr; }
  .nav { position: static; height: auto; }
  .contenu { padding: 18px 16px 40px; }
  .g2, .g3, .g4, .etats { grid-template-columns: 1fr 1fr; }
  dl.infos { grid-template-columns: 1fr; }
}
@media print {
  .nav, .actions, .no-print, .onglets, .etats { display: none !important; }
  .carte { break-inside: avoid; border-color: #ccc; }
  .app { display: block; }
}

/* Documents de vente imprimés (A4) */
@media print {
  @page { size: A4; margin: 14mm; }
  body { background: #fff; font-size: 11px; }
  .contenu { padding: 0; max-width: none; }
  .messages { display: none; }
  .document-imprime { border: none; padding: 0; }
  .document-imprime th { background: #f1f2f4 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}
details > summary { list-style: none; cursor: pointer; display: inline-flex; }

/* Tri des colonnes */
th.triable a { color: inherit; text-decoration: none; display: block; }
th.triable a:hover, th.triable-js:hover { color: var(--accent); }
th.triable.actif a { color: var(--accent); }
th.triable-js { cursor: pointer; user-select: none; }
th.triable-js[data-sens="asc"]::after { content: " ▲"; color: var(--accent); }
th.triable-js[data-sens="desc"]::after { content: " ▼"; color: var(--accent); }
@media print { th.triable-js::after { content: none !important; } }