:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #17181c;
  --muted: #6b7280;
  --primary: #17181c;
  --ok: #16a34a;
  --ok-bg: #e8f7ee;
  --warn: #d97706;
  --danger: #dc2626;
  --border: #e5e7eb;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}

.page { max-width: 640px; margin: 0 auto; padding: 16px 12px 120px; }

h1 { font-size: 1.35rem; margin-bottom: 4px; }
.subtitle { color: var(--muted); font-size: .95rem; margin-bottom: 20px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 8px;
}
.topbar .who { color: var(--muted); font-size: .9rem; }

button, .btn {
  font: inherit; border: none; cursor: pointer; border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
}

.btn-big {
  width: 100%; min-height: 76px; font-size: 1.2rem; font-weight: 600;
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  margin-bottom: 14px; flex-direction: column; gap: 4px; position: relative;
}
.btn-big .hint { font-size: .85rem; font-weight: 400; color: var(--muted); }
.btn-big .badge {
  position: absolute; top: -8px; right: -4px; background: var(--warn); color: #fff;
  font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--muted); font-size: .9rem; padding: 8px 12px; }
.btn-link { background: none; color: var(--primary); text-decoration: underline; padding: 6px; }

/* --- Login --- */
.name-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.name-grid button {
  min-height: 72px; font-size: 1.15rem; font-weight: 600;
  background: var(--card); border: 1px solid var(--border);
}
.numpad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 320px; margin: 0 auto; }
.numpad button {
  min-height: 68px; font-size: 1.5rem; font-weight: 600;
  background: var(--card); border: 1px solid var(--border);
}
.pin-dots { display: flex; gap: 14px; justify-content: center; margin: 22px 0; }
.pin-dots span { width: 16px; height: 16px; border-radius: 50%; background: var(--border); }
.pin-dots span.filled { background: var(--primary); }

/* --- Inventaire : groupes fournisseur --- */
.supplier-group { margin-bottom: 22px; }
.supplier-header {
  position: sticky; top: 0; z-index: 5;
  color: #fff; font-weight: 700; font-size: 1rem;
  padding: 10px 14px; border-radius: 10px;
  background: var(--supplier-color, var(--primary));
  box-shadow: 0 2px 6px rgba(0,0,0,.12);
}
.category-header {
  font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); margin: 14px 4px 6px;
}

.product-row {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  border-left: 5px solid var(--supplier-color, var(--border));
  margin-bottom: 8px; padding: 10px 12px; min-height: 56px;
}
.product-row .row-main { display: flex; align-items: center; gap: 10px; }
.product-row .info { flex: 1; min-width: 0; }
.product-row .name { font-weight: 600; font-size: 1rem; }
.product-row .meta { color: var(--muted); font-size: .8rem; }
.product-row .actions { display: flex; gap: 8px; flex-shrink: 0; }
.product-row .actions button { min-height: 48px; padding: 0 16px; font-weight: 700; }
.btn-ok { background: var(--ok); color: #fff; min-width: 64px; }
.btn-count { background: var(--card); border: 1.5px solid var(--border); color: var(--text); }

.product-row.done { background: var(--ok-bg); border-color: var(--ok); }
.product-row.done.low { background: #fef3e2; border-color: var(--warn); }
.product-row.done .result { font-weight: 700; color: var(--ok); font-size: .95rem; }
.product-row.done.low .result { color: var(--warn); }

.stepper { display: flex; align-items: center; gap: 12px; margin-top: 10px; justify-content: center; }
.stepper button {
  width: 62px; height: 56px; font-size: 1.6rem; font-weight: 700;
  background: var(--bg); border: 1.5px solid var(--border);
}
.stepper input {
  width: 88px; height: 56px; text-align: center; font-size: 1.5rem; font-weight: 700;
  border: 1.5px solid var(--border); border-radius: 12px;
}
.stepper .btn-validate { width: auto; padding: 0 18px; font-size: 1rem; background: var(--primary); color: #fff; }

/* --- Footer sticky --- */
.footer-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  background: var(--card); border-top: 1px solid var(--border);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
}
.footer-inner { max-width: 640px; margin: 0 auto; display: flex; align-items: center; gap: 12px; }
.progress { flex: 1; }
.progress .label { font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
.progress .track { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress .fill { height: 100%; background: var(--ok); border-radius: 999px; transition: width .2s; width: 0; }
.footer-bar .btn-primary { min-height: 52px; padding: 0 22px; font-size: 1.05rem; font-weight: 700; }
.footer-bar .btn-primary:disabled { opacity: .4; cursor: default; }

/* --- Cartes / divers --- */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; margin-bottom: 14px;
}
.error-msg { color: var(--danger); text-align: center; margin: 12px 0; min-height: 1.2em; font-weight: 600; }
.offline-banner {
  display: none; background: var(--warn); color: #fff; text-align: center;
  padding: 8px; border-radius: 10px; margin-bottom: 12px; font-weight: 600; font-size: .9rem;
}
.offline-banner.visible { display: block; }

/* --- Admin --- */
.tabs { display: flex; gap: 6px; overflow-x: auto; margin-bottom: 16px; padding-bottom: 4px; }
.tabs button {
  padding: 10px 14px; font-weight: 600; font-size: .9rem; white-space: nowrap;
  background: var(--card); border: 1px solid var(--border); color: var(--muted);
}
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

table.admin { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.admin th, table.admin td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
table.admin th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; }

.form-grid { display: grid; gap: 10px; }
.form-grid label { font-size: .82rem; font-weight: 600; color: var(--muted); display: block; margin-bottom: 3px; }
.form-grid input, .form-grid select {
  width: 100%; font: inherit; padding: 11px 12px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--card);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; color: #fff; font-size: .75rem; font-weight: 700; }
.muted { color: var(--muted); }
.inactive { opacity: .45; }

dialog {
  border: none; border-radius: var(--radius); padding: 20px; width: min(94vw, 480px);
  margin: auto;
}
dialog::backdrop { background: rgba(0,0,0,.45); }