/* Poste d'accueil — Fabrimétal Laurentides. Thème graphite/acier industriel. */
:root {
  --bg: #12151a;
  --bg-glow: #26303d;
  --carte: rgba(255, 255, 255, .045);
  --carte-bord: rgba(255, 255, 255, .10);
  --txt: #eceff3;
  --mut: #9aa4b2;
  --accent: #ff8a3d;
  --accent-fort: #e06a1f;
  --acier: #7fa8c9;
  --ok: #4fe08a;
  --err: #ff7b7b;
  --bulle-moi: #2a3542;
  --bulle-ia: rgba(255, 255, 255, .06);
  --ombre: 0 18px 50px rgba(0, 0, 0, .38);
  --rayon: 16px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f2f4f7; --bg-glow: #dfe6ee; --carte: #ffffff; --carte-bord: rgba(20, 30, 45, .12);
  --txt: #16202c; --mut: #55606e; --accent: #d9600f; --accent-fort: #b04d0a; --acier: #3d6a8c;
  --bulle-moi: #e4e9ef; --bulle-ia: #ffffff; --ombre: 0 14px 40px rgba(20, 30, 45, .12); color-scheme: light;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #f2f4f7; --bg-glow: #dfe6ee; --carte: #ffffff; --carte-bord: rgba(20, 30, 45, .12);
    --txt: #16202c; --mut: #55606e; --accent: #d9600f; --accent-fort: #b04d0a; --acier: #3d6a8c;
    --bulle-moi: #e4e9ef; --bulle-ia: #ffffff; --ombre: 0 14px 40px rgba(20, 30, 45, .12); color-scheme: light;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; min-height: 100dvh; font: 16px/1.5 var(--sans); color: var(--txt);
  background: radial-gradient(1000px 600px at 80% -10%, var(--bg-glow), transparent 60%), var(--bg);
  background-attachment: fixed;
  padding: 0 clamp(16px, 4vw, 40px) 32px;
}

.top { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; flex-wrap: wrap; gap: 12px; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 38px; height: 38px; color: var(--accent); flex: none; }
.brand-name { margin: 0; font-weight: 700; font-size: 1.05rem; }
.brand-sub { margin: 0; color: var(--mut); font-size: .85rem; }

.onglets-haut { display: flex; flex-wrap: wrap; gap: 4px; background: var(--carte); border: 1px solid var(--carte-bord); border-radius: 999px; padding: 4px; }
.onglets-haut button { border: none; background: transparent; color: var(--mut); padding: 8px 18px; border-radius: 999px; cursor: pointer; font: inherit; font-weight: 600; }
.onglets-haut button[aria-selected="true"] { background: var(--accent); color: #1a1005; }

/* Jalon 9 — bouton Journal, hors du tablist (voir index.html/app.js) mais stylé de façon cohérente
   avec les onglets pilule juste à côté. */
.bouton-journal { border: 1px solid var(--carte-bord); background: transparent; color: var(--txt);
  padding: 8px 18px; border-radius: 999px; cursor: pointer; font: inherit; font-weight: 600; }
.bouton-journal:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 1100px; margin: 0 auto; }

.grille { display: grid; gap: 20px; grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }

.carte {
  background: var(--carte); border: 1px solid var(--carte-bord); border-radius: var(--rayon);
  box-shadow: var(--ombre); padding: clamp(18px, 4vw, 28px);
}
.carte h1, .carte h2 { margin-top: 0; }
.note { color: var(--mut); font-size: .9rem; }

.onglets { display: flex; gap: 4px; margin-bottom: 16px; }
.onglets button { flex: 1; border: 1px solid var(--carte-bord); background: transparent; color: var(--mut); padding: 10px; border-radius: 10px; cursor: pointer; font: inherit; font-weight: 600; }
.onglets button[aria-selected="true"] { background: var(--accent); color: #1a1005; border-color: var(--accent); }

.panneau { display: flex; flex-direction: column; gap: 10px; }
.panneau label { font-size: .85rem; color: var(--mut); font-weight: 600; }
.panneau input {
  background: color-mix(in srgb, var(--carte) 60%, var(--bg)); border: 1px solid var(--carte-bord); color: var(--txt);
  padding: 12px 14px; border-radius: 10px; font: inherit;
}
.panneau input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.principal, .secondaire {
  border: none; border-radius: 12px; padding: 13px 18px; font: inherit; font-weight: 700; cursor: pointer;
}
.principal { background: var(--accent); color: #1a1005; }
.principal:hover { background: var(--accent-fort); }
.principal:disabled, .secondaire:disabled { opacity: .5; cursor: not-allowed; }
.secondaire { background: transparent; border: 1px solid var(--carte-bord); color: var(--txt); }

.commandes { display: flex; gap: 12px; flex-wrap: wrap; }

.message { padding: 10px 14px; border-radius: 10px; background: var(--bulle-ia); font-size: .9rem; }

.fil { display: flex; flex-direction: column; gap: 10px; max-height: 420px; overflow-y: auto; padding: 4px; margin-bottom: 12px; }
.bulle { max-width: 85%; padding: 10px 14px; border-radius: 14px; font-size: .95rem; white-space: pre-wrap; }
.bulle.moi { align-self: flex-end; background: var(--bulle-moi); }
.bulle.kairos { align-self: flex-start; background: var(--bulle-ia); border: 1px solid var(--carte-bord); }
.bulle.kairos p { margin: 0 0 8px; }
.bulle.kairos p:last-child { margin-bottom: 0; }
.bulle.kairos ul { margin: 0 0 8px; padding-left: 20px; }
.bulle.attente { align-self: flex-start; color: var(--mut); font-style: italic; }

.saisie { display: flex; gap: 8px; }
.saisie input { flex: 1; background: color-mix(in srgb, var(--carte) 60%, var(--bg)); border: 1px solid var(--carte-bord); color: var(--txt); padding: 12px 14px; border-radius: 10px; font: inherit; }
.envoyer { background: var(--accent); color: #1a1005; border: none; border-radius: 10px; padding: 0 18px; font-weight: 700; cursor: pointer; }

.filtre-familles { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.filtre-familles button { border: 1px solid var(--carte-bord); background: transparent; color: var(--mut); padding: 8px 14px; border-radius: 999px; cursor: pointer; font: inherit; font-size: .85rem; }
.filtre-familles button[aria-pressed="true"] { background: var(--acier); color: #08131c; border-color: var(--acier); }

.grille-produits { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.produit { border: 1px solid var(--carte-bord); border-radius: 12px; padding: 14px; background: color-mix(in srgb, var(--carte) 70%, transparent); }
.produit .code { color: var(--acier); font-size: .78rem; font-weight: 700; letter-spacing: .03em; }
.produit h3 { margin: 4px 0 6px; font-size: 1rem; }
.produit .specs { color: var(--mut); font-size: .82rem; margin: 0 0 8px; }
.produit .bas { display: flex; justify-content: space-between; align-items: center; }
.produit .prix { font-weight: 700; }
.dispo { font-size: .74rem; padding: 3px 8px; border-radius: 999px; font-weight: 700; }
.dispo.en-stock { background: color-mix(in srgb, var(--ok) 25%, transparent); color: var(--ok); }
.dispo.sur-commande { background: color-mix(in srgb, var(--accent) 25%, transparent); color: var(--accent); }
.dispo.discontinue { background: color-mix(in srgb, var(--err) 25%, transparent); color: var(--err); }

/* ===== Jalon 10 — À Propos / F.A.Q. / Nous Joindre (contenu statique, sans fonctionnalité) ===== */
.page-info { max-width: 760px; margin: 0 auto; }
.page-info h2 { font-size: 1rem; margin: 20px 0 6px; }
.page-info p { color: var(--mut); line-height: 1.6; }
.liste-faq { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.bloc-faq h2 { margin: 0 0 6px; font-size: .98rem; color: var(--txt); }
.bloc-faq p { margin: 0; }
.coordonnees { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-top: 16px; }
.coordonnees h2 { margin: 0 0 4px; font-size: .85rem; color: var(--acier); text-transform: uppercase; letter-spacing: .03em; }
.coordonnees p { margin: 0; color: var(--txt); }

.pied { max-width: 1100px; margin: 32px auto 0; color: var(--mut); font-size: .78rem; text-align: center; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (min-width: 860px) {
  .grille { max-width: 680px; }
}

/* ===== Jalon 8.5, point C — mode démonstration : interrupteur + panneau de comparaison ===== */
.conteneur-mode-demo { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.interrupteur-demo { display: flex; align-items: center; gap: 8px; color: var(--mut); font-size: .85rem;
  cursor: pointer; user-select: none; }
.interrupteur-demo input { accent-color: var(--accent); width: 16px; height: 16px; }

.badge-demo { display: inline-block; background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent); font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: .02em; margin-left: 6px; }

#btn-comparer { border: 1px solid var(--carte-bord); background: transparent; color: var(--txt);
  border-radius: 999px; padding: 0 16px; font: inherit; font-weight: 600; cursor: pointer; }

.question-comparee { font-style: italic; color: var(--mut); border-left: 3px solid var(--accent);
  padding-left: 10px; margin: 4px 0 14px; }

.colonnes-comparaison { display: grid; grid-template-columns: 1fr; gap: 14px; }
.colonne { background: var(--bulle-ia); border: 1px solid var(--carte-bord); border-radius: 12px;
  padding: 12px 14px; }
.colonne h3 { margin: 0 0 8px; font-size: .95rem; }
.colonne-sans { border-style: dashed; }
.reponse-comparaison { font-size: .92rem; white-space: pre-wrap; min-height: 1.4em; }
.reponse-comparaison:empty::before { content: "—"; color: var(--mut); }

@media (min-width: 640px) {
  .colonnes-comparaison { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1280px) {
  main { max-width: 1400px; }
  .grille {
    max-width: 1320px;
    grid-template-columns: minmax(360px, 620px) minmax(420px, 1fr);
    grid-template-areas:
      "identification identification"
      "canal canal"
      "clavardage comparaison";
    align-items: start;
  }
  #bloc-identification { grid-area: identification; }
  #bloc-canal { grid-area: canal; }
  #bloc-clavardage { grid-area: clavardage; }
  #bloc-comparaison { grid-area: comparaison; }
  .colonnes-comparaison { grid-template-columns: 1fr; }
}