* { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; }
html { scroll-behavior: smooth; }
body { overflow-x: hidden; background-color: #f1f5f9; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

[x-cloak] { display: none !important; }

.sidebar {
    width: 260px;
    background-color: #0f172a;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 1030;
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.sidebar .brand { color: #fff; }
.sidebar .brand-sub { color: #94a3b8; }
.sidebar .nav-section { color: #64748b; font-size: 0.75rem; text-transform: uppercase; font-weight: 600; letter-spacing: 0.05em; }
.sidebar .nav-link { color: #cbd5e1; padding: 0.75rem 1.25rem; display: flex; align-items: center; gap: 0.75rem; }
.sidebar .nav-link:hover { background-color: #1e293b; color: #fff; }
.sidebar .nav-link.active { background: linear-gradient(90deg, rgba(16,185,129,.15), transparent); border-left: 3px solid #10b981; color: #10b981; }
.sidebar .nav-link i { width: 20px; text-align: center; }
.sidebar .logout-btn { background-color: rgba(220,38,38,.2); color: #fca5a5; border: 0; }
.sidebar .logout-btn:hover { background-color: rgba(220,38,38,.4); color: #fecaca; }

.sidebar-mobile { transform: translateX(-100%); }
.sidebar-mobile.open { transform: translateX(0); }
.sidebar-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1029; }
.sidebar-overlay.show { display: block; }

.main-content { margin-left: 260px; }
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
}

.topbar { background-color: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.08); border-bottom: 1px solid #e2e8f0; }

.gradient-primary { background: linear-gradient(135deg, #059669 0%, #10b981 100%); }
.gradient-card-1 { background: linear-gradient(135deg, #10b981 0%, #34d399 100%); }
.gradient-card-2 { background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%); }
.gradient-card-3 { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); }
.gradient-card-4 { background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%); }
.gradient-danger { background: linear-gradient(135deg, #ef4444 0%, #f87171 100%); }

.chart-card { animation: fadeInUp 0.5s ease-out; }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,.08); }

.modal-content { background-color: #fff; }

@media (max-width: 640px) {
    table { font-size: 12px; }
    .hide-mobile { display: none !important; }
}