body { background-color: #f4f6f9; font-family: 'Segoe UI', Roboto, sans-serif; }
.sidebar .nav-link.active, .sidebar .nav-link:hover { background-color: rgba(255,255,255,0.1); border-radius: 6px; }
.card { border: none; border-radius: 10px; }
.table thead th { font-size: 0.85rem; text-transform: uppercase; color: #6c757d; }
@media print {
  .sidebar, .btn, form { display: none !important; }
}