:root {
    --gold: #d4af37;
    --gold-light: #f0d060;
    --dark: #0f172a;
    --darker: #020617;
    --surface: #1e293b;
    --green-mint: #10b981;
    --teal: #0d9488;
    --navy: #1e3a5f;
}

body {
    background: #f1f5f9;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Sidebar */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
    border-right: 1px solid rgba(212, 175, 55, 0.2);
}
.sidebar .navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--gold-light) !important;
    letter-spacing: -0.5px;
}
.sidebar .nav-link {
    color: #94a3b8;
    padding: 0.65rem 1rem;
    margin: 3px 0;
    border-radius: 8px;
    transition: all 0.2s;
}
.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: linear-gradient(90deg, rgba(212,175,55,0.15) 0%, transparent 100%);
    color: var(--gold-light);
    border-left: 3px solid var(--gold);
}
.sidebar .nav-link i {
    width: 20px;
    margin-right: 8px;
    text-align: center;
}
.sidebar .dropdown-menu-dark {
    background: var(--surface);
    border: 1px solid rgba(212,175,55,0.3);
}

/* Main content */
.main-content {
    padding: 20px;
}
.top-bar {
    background: white;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

/* Cards */
.card {
    border: none;
    border-radius: 14px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: box-shadow 0.2s;
}
.card:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
.card-header {
    background: transparent;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 600;
    font-size: 1rem;
}

/* Stat cards */
.stat-card {
    border-radius: 16px;
    border: none;
    color: white;
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: "";
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}
.stat-card .card-body {
    z-index: 1;
    position: relative;
}
.stat-card .icon-bg {
    font-size: 2.5rem;
    opacity: 0.35;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, #b4941e 100%);
    border: none;
    color: #000;
    font-weight: 600;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #e5c251 0%, #c4a42a 100%);
    color: #000;
}
.btn-success {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    border: none;
}
.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border: none;
    color: #000;
}
.btn-outline-secondary {
    border-color: #cbd5e1;
    color: #475569;
}
.btn-outline-secondary:hover {
    background: #f1f5f9;
}

/* Tables */
.table-light {
    background: #f8fafc;
}
.badge-success {
    background: #10b981 !important;
}
.badge-danger {
    background: #ef4444 !important;
}

/* Charts */
canvas {
    max-height: 250px;
}