:root {
  --brand: #6f4e37;
  --brand-dark: #4a3325;
  --accent: #c88a3a;
  --bg: #f4efe9;
  --card: #ffffff;
  --text: #2b2320;
  --muted: #7a6f68;
  --danger: #b0392c;
  --success: #3c7a4b;
  --warning: #b8860b;
  --border: #ddd2c6;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
}
button {
  font-family: inherit;
  cursor: pointer;
}
input, select, textarea { font-family: inherit; font-size: 16px; }

#topbar {
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 50;
}
#topbar .brand { font-weight: 700; font-size: 20px; margin-right: 12px; }
#topbar .nav-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
}
#topbar .nav-btn.active, #topbar .nav-btn:hover { background: rgba(255,255,255,0.18); }
#topbar .spacer { flex: 1; }
#topbar .user-chip { font-size: 14px; opacity: 0.9; margin-right: 8px; }

#app { padding: 16px; max-width: 1400px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-menu { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.grid-tables { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.grid-home { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text);
}
.btn:hover { background: #f6f0ea; }
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand-dark); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-accent { background: var(--accent); color: #fff; border-color: #a8701f; }
.btn-danger { background: var(--danger); color: #fff; border-color: #7d281e; }
.btn-success { background: var(--success); color: #fff; border-color: #2a5836; }
.btn-lg { padding: 16px 20px; font-size: 18px; width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 4px 10px; font-size: 13px; }

.home-tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
}
.home-tile:hover { border-color: var(--brand); }
.home-tile .sub { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 4px; }

.table-tile {
  background: #e9f5ec;
  border: 2px solid var(--success);
  border-radius: 12px;
  padding: 18px 8px;
  text-align: center;
  font-weight: 700;
}
.table-tile.status-ordered { background: #fdf1e2; border-color: var(--warning); }
.table-tile.status-needs-cleaning { background: #fbe9e7; border-color: var(--danger); }
.table-tile .seats { font-size: 12px; font-weight: 400; color: var(--muted); display:block; }
.table-tile.selected { outline: 3px solid var(--brand); }

.menu-item-tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: left;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.menu-item-tile .name { font-weight: 700; font-size: 14px; }
.menu-item-tile .desc { font-size: 11px; color: var(--muted); margin: 4px 0; flex-grow: 1; }
.menu-item-tile .price { font-weight: 700; color: var(--brand); }
.menu-item-tile.flagged { border-color: var(--warning); box-shadow: inset 0 0 0 2px #fff3cd; }

.item-photo {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 8px;
  background: #eee;
}
.item-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.item-photo.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.item-photo.placeholder .ph-icon { font-size: 26px; line-height: 1; }
.item-photo.placeholder .ph-initials { font-size: 13px; font-weight: 700; margin-top: 4px; letter-spacing: 0.5px; }

#itPhotoPreview .item-photo { max-width: 220px; aspect-ratio: 4/3; }
.flag-badge { display:inline-block; background:var(--warning); color:#fff; font-size:10px; padding:1px 5px; border-radius:4px; margin-left:4px; }

.category-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.category-tabs button { border: 1px solid var(--border); background: #fff; border-radius: 20px; padding: 8px 14px; font-size: 13px; }
.category-tabs button.active { background: var(--brand); color: #fff; }

.cart-line { display: flex; justify-content: space-between; align-items: flex-start; padding: 8px 0; border-bottom: 1px dashed var(--border); gap: 8px; }
.cart-line.voided { opacity: 0.5; text-decoration: line-through; }
.cart-line .mods { font-size: 12px; color: var(--muted); }
.cart-line .qty-controls button { width: 26px; height: 26px; padding: 0; }

.order-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 900px) { .order-layout { grid-template-columns: 1fr; } }

.totals-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 15px; }
.totals-row.total { font-weight: 700; font-size: 20px; border-top: 2px solid var(--border); margin-top: 6px; padding-top: 8px; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; z-index: 200;
}
.modal-box { background: #fff; border-radius: 12px; padding: 20px; width: 90%; max-width: 420px; max-height: 90vh; overflow: auto; }
.modal-box h2 { margin-top: 0; }
.pinpad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.pinpad button { padding: 18px; font-size: 20px; border-radius: 8px; border: 1px solid var(--border); background: #fafafa; }
.pin-dots { text-align: center; font-size: 28px; letter-spacing: 8px; min-height: 36px; margin-bottom: 8px; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
.field input, .field select, .field textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }

table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th, table.data-table td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
table.data-table th { color: var(--muted); font-size: 12px; text-transform: uppercase; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.badge-success { background: #dcf3e2; color: var(--success); }
.badge-warning { background: #fbe9c9; color: var(--warning); }
.badge-danger { background: #f8d9d4; color: var(--danger); }

.kds-ticket { background: #fff; border: 1px solid var(--border); border-left: 6px solid var(--warning); border-radius: 8px; padding: 12px; }
.kds-ticket.overdue { border-left-color: var(--danger); }
.kds-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.toast { background: var(--brand-dark); color: #fff; padding: 10px 16px; border-radius: 8px; margin-bottom: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
#toast-root { position: fixed; bottom: 16px; right: 16px; z-index: 300; }

.muted { color: var(--muted); }
.text-right { text-align: right; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; }
.flex { display: flex; gap: 8px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.hidden { display: none !important; }

.wizard-steps { display: flex; gap: 8px; margin-bottom: 16px; }
.wizard-steps span { flex: 1; height: 6px; background: var(--border); border-radius: 3px; }
.wizard-steps span.done { background: var(--brand); }

.floor-map { position: relative; min-height: 420px; background: #eef4ef; border-radius: 12px; border: 1px dashed var(--border); }
.floor-table { position: absolute; width: 100px; height: 90px; }