body { background: #f4f6f9; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.sidebar { width: 240px; min-height: calc(100vh - 56px); position: sticky; top: 0; }
.sidebar .nav-link { color: #374151; border-radius: 6px; margin-bottom: 2px; }
.sidebar .nav-link:hover { background: #eef2ff; }
.sidebar .nav-link.active { background: #0d6efd; color: #fff; }
.sidebar .nav-link i { width: 22px; }
.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.stat-card { border-left: 4px solid #0d6efd; }
.stat-card.success { border-left-color: #198754; }
.stat-card.warning { border-left-color: #ffc107; }
.stat-card.danger { border-left-color: #dc3545; }
.table thead { background: #f8f9fa; }
@media (max-width: 991.98px) {
  .sidebar { position: fixed; z-index: 1040; left: -260px; transition: left .2s; height: 100vh; }
  .sidebar.show { left: 0; }
}
.pos-cart { max-height: 60vh; overflow-y: auto; }
.search-results { position: absolute; z-index: 1050; background: #fff; border: 1px solid #dee2e6; width: 100%; max-height: 300px; overflow-y: auto; border-radius: 4px; }
.search-results .item { padding: 8px 12px; cursor: pointer; border-bottom: 1px solid #f1f3f5; }
.search-results .item:hover { background: #f8f9fa; }
@media print {
  .no-print, nav, aside, .btn { display: none !important; }
  main { padding: 0 !important; }
  body { background: #fff; }
}