:root {
  --bg: #f9fafb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --border: #e5e7eb;
  --success: #16a34a;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans';
  background: var(--bg) url('img/bac.jpg') center/cover no-repeat fixed;
  color: var(--text);
}

.header {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }

.card {
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.card.emphasis { border-width: 2px; }
.card.disabled { border-color: var(--danger); opacity: 0.85; }

h1,h2,h3 { margin: 8px 0 12px; }
.muted { color: var(--muted); font-size: 0.95rem; }

.button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.button[disabled] { opacity: .6; cursor: not-allowed; }
.button.secondary { background: #111827; }
.button.danger { background: var(--danger); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }

.seats { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; margin-top: 12px; }
@media (max-width: 640px) { .seats { grid-template-columns: repeat(4, 1fr); } }
.seat {
  border: 1px solid var(--border);
  padding: 14px 10px;
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  background: #f8fafc;
  transition: transform .08s ease, box-shadow .15s ease;
}
.seat:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(0,0,0,.05); }
.seat.selected { outline: 2px solid var(--primary); }
.seat.booked { background: #fee2e2; border-color: #fecaca; cursor: not-allowed; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 8px 0; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }

.table-row { display:flex; justify-content: space-between; align-items:center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.table-row:last-child { border-bottom: none; }

.badges { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.badge { padding:2px 8px; border-radius: 999px; font-size: 12px; border:1px solid var(--border); background:#fff; }
.badge.danger { border-color: #fecaca; background:#fee2e2; color:#7f1d1d; }
.badge.ok { border-color: #bbf7d0; background:#dcfce7; color:#14532d; }

.alert { padding: 10px 12px; border-radius: 8px; }
.alert.success { background: #dcfce7; color: #14532d; border: 1px solid #bbf7d0; }
.alert.error { background: #fee2e2; color: #7f1d1d; border: 1px solid #fecaca; }

/* Collapsible table sections (user) */
.table-card { margin-top: 12px; }
.table-toggle { display:flex; justify-content: space-between; align-items:center; cursor:pointer; }
.table-toggle.disabled { cursor:not-allowed; opacity:.9; }
.collapse { display:none; margin-top: 12px; }
.collapse.open { display:block; }

/* Centered big submit button in forms */
.collapse form .button[type="submit"],
.collapse form button[type="submit"] {
  display: block;
  margin: 12px auto 0 auto;
  padding: 12px 24px;
  font-size: 16px;
}

/* Modal for print selection */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display:none; align-items:center; justify-content:center; z-index: 50; }
.modal-backdrop.open { display:flex; }
.modal { background: #ffffff; border-radius: 12px; padding: 16px; width: min(520px, 92vw); border: 1px solid var(--border); }
.modal h3 { margin-top: 0; }
.modal .list { max-height: 320px; overflow:auto; border:1px solid var(--border); border-radius:8px; padding:8px; }

/* Print tables */
.print-table { width: 100%; border-collapse: collapse; display: none; }
.print-table th, .print-table td { border:1px solid #999; padding:6px 8px; font-size: 12px; }
.print-header { display:none; margin-bottom:8px; }

@media print {
  .header, .button, form, .modal-backdrop, .booking-row, .table-edit, .muted { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ddd; }
  .print-table, .print-header { display: block !important; }
}