:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6b7280;
  --primary: #16a34a;
  --danger: #dc2626;
  --card: #f3f4f6;
  --accent: #0ea5e9;
  --border: #e5e7eb;
  --focus: #0ea5e980;
  --shadow: 0 10px 20px rgba(0,0,0,0.08);
}

html[data-theme="dark"] {
  --bg: #0b0f14;
  --fg: #e5e7eb;
  --muted: #94a3b8;
  --card: #111827;
  --border: #1f2937;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

.topbar {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0.5rem 1rem; border-bottom: 1px solid var(--border); background: var(--bg);
}
.topbar .left, .topbar .right { display: flex; gap: .5rem; align-items: center; }
.topbar .center { text-align: center; }
.brand { font-weight: 700; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  padding: .5rem .75rem;
  border-radius: .75rem;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.btn.primary { background: var(--primary); color: #fff; border-color: transparent; }
.btn.danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn.ghost { background: transparent; border-color: var(--border); box-shadow: none; }
.btn:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.grid-products {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .75rem; padding: 1rem;
}
.product-card {
  background: var(--card); padding: .75rem; border-radius: 1rem; border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: .5rem; min-height: 140px;
}
.product-card:hover { outline: 2px solid var(--accent); }
.product-card img { width: 100%; height: 90px; object-fit: contain; }
.product-card .sku { color: var(--muted); font-size: .85rem; }

.cart-panel {
  position: fixed; right: 0; top: 3.25rem; bottom: 0; width: 360px; background: var(--bg);
  border-left: 1px solid var(--border); padding: 1rem; overflow: auto;
}
.cart-footer {
  position: sticky; bottom: 0; background: var(--bg); padding-top: .75rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: .5rem;
}

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .5rem .6rem; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 600; }

.drawer { position: fixed; left: 0; top: 3.25rem; width: 280px; bottom: 0; background: var(--bg);
  border-right: 1px solid var(--border); padding: 1rem; transform: translateX(-100%); transition: transform .2s ease; z-index: 60;
}
.drawer.open { transform: translateX(0); }
.drawer .link { background: none; border: none; padding: .5rem; text-align: left; width: 100%; cursor: pointer; }
.drawer .link:hover { background: var(--card); border-radius: .5rem; }

.modal-root .modal {
  position: fixed; inset: 0; display: grid; place-items: center; background: rgba(0,0,0,.4);
}
.modal .dialog {
  background: var(--bg); border: 1px solid var(--border); border-radius: 1rem; padding: 1rem; width: min(720px, 96vw);
  max-height: 85vh; overflow: auto;
}

.toast-root { position: fixed; right: 1rem; bottom: 1rem; display: grid; gap: .5rem; z-index: 70; }
.toast { background: var(--primary); color: #fff; padding: .5rem .75rem; border-radius: .75rem; box-shadow: var(--shadow); }

.searchbar { display: flex; gap: .5rem; padding: .75rem 1rem; align-items: center; border-bottom: 1px solid var(--border); }
.searchbar input {
  flex: 1; padding: .6rem .8rem; border-radius: .75rem; border: 1px solid var(--border); background: var(--bg); color: var(--fg);
}

.hide-mobile { display: block; }
.show-mobile { display: none; }

@media (max-width: 980px) {
  .grid-products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hide-mobile { display: none; }
  .show-mobile { display: inline-flex; }
  .topbar { grid-template-columns: auto 1fr auto; }
}

.ticket {
  width: 80mm; font-size: 12px; line-height: 1.35;
}
.ticket h1, .ticket h2, .ticket h3 { margin: .25rem 0; text-align: center; }
.ticket table { width: 100%; border-collapse: collapse; }
.ticket td { padding: .2rem 0; }

@media (min-width: 980px) {
  #app {
    margin-right: 380px; /* espace pour le panneau panier */
  }
}

/* Indicateurs de statut pour ventes (local/cloud/error) */
.status-dot {
  display: inline-block;
  width: .75em;
  height: .75em;
  border-radius: 50%;
  margin-right: .25em;
  vertical-align: middle;
}
.status-local { background-color: #f97316; /* orange */ }
.status-cloud { background-color: #16a34a; /* green */ }
.status-error { background-color: #dc2626; /* red */ }

/* Flash rouge pour produit introuvable */
.flash-error {
  animation: flash-red 0.6s;
}
@keyframes flash-red {
  0% { background-color: var(--bg); }
  50% { background-color: #fee2e2; }
  100% { background-color: var(--bg); }
}