* { box-sizing: border-box; }

/* Smooth transitions */
a, button { transition: all 0.15s ease; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Table hover */
tbody tr { transition: background 0.1s; }

/* Badge pulse for critical alerts */
.badge-critical { animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.7; }
}

/* Sidebar active link shadow */
.sidebar-active { box-shadow: inset 3px 0 0 #3b82f6; }

/* Card hover effect */
.card-hover:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }