:root {
    --primary: #6794A6;
    --primary-dark: #557a8a;
    --secondary: #546280;
    --accent: #BF2D30;
    --gold: #BAA883;
    --dark: #343A40;
    --light: #f8f9fa;
    --white: #ffffff;
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --topbar-height: 65px;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: #f0f2f5;
    color: var(--dark);
    line-height: 1.6;
}

a { text-decoration: none; color: var(--primary); }
a:hover { color: var(--primary-dark); }

.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: var(--border-radius);
    font-size: 14px; font-weight: 500; border: none; cursor: pointer;
    transition: var(--transition);
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); color: white; }
.btn-secondary { background: var(--secondary); color: white; }
.btn-accent { background: var(--accent); color: white; }
.btn-gold { background: var(--gold); color: white; }
.btn-outline { background: transparent; border: 1px solid #ddd; color: var(--dark); }
.btn-outline:hover { background: var(--light); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

.card {
    background: var(--white); border-radius: var(--border-radius);
    box-shadow: var(--shadow); border: none; margin-bottom: 20px;
}
.card-header {
    background: transparent; border-bottom: 1px solid #eee;
    padding: 16px 20px; font-weight: 600; font-size: 16px;
}
.card-body { padding: 20px; }

.table { width: 100%; border-collapse: collapse; }
.table th { background: #f8f9fa; padding: 12px; text-align: left; font-weight: 600; border-bottom: 2px solid #eee; }
.table td { padding: 12px; border-bottom: 1px solid #eee; }
.table tr:hover { background: #f8f9fa; }

.form-control {
    width: 100%; padding: 10px 14px; border: 1px solid #ddd;
    border-radius: var(--border-radius); font-size: 14px; transition: var(--transition);
}
.form-control:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(103,148,166,0.15); }
.form-label { font-weight: 500; margin-bottom: 6px; display: block; font-size: 14px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }

.badge {
    display: inline-block; padding: 4px 10px; border-radius: 20px;
    font-size: 12px; font-weight: 500;
}
.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-primary { background: #cce5ff; color: #004085; }

.alert {
    padding: 12px 16px; border-radius: var(--border-radius); margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert-success { background: #d4edda; border-color: #c3e6cb; color: #155724; }
.alert-danger { background: #f8d7da; border-color: #f5c6cb; color: #721c24; }
.alert-warning { background: #fff3cd; border-color: #ffeeba; color: #856404; }
.alert-info { background: #d1ecf1; border-color: #bee5eb; color: #0c5460; }

.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 20px; }
.pagination a, .pagination span {
    padding: 8px 14px; border: 1px solid #ddd; border-radius: 4px;
    color: var(--dark); font-size: 14px;
}
.pagination .current { background: var(--primary); color: white; border-color: var(--primary); }

.empty-state { text-align: center; padding: 60px 20px; color: #6c757d; }
.empty-state i { font-size: 48px; margin-bottom: 16px; color: #dee2e6; }

.stat-card {
    background: var(--white); border-radius: var(--border-radius);
    padding: 20px; box-shadow: var(--shadow); display: flex;
    align-items: center; gap: 16px;
}
.stat-icon {
    width: 50px; height: 50px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: white;
}
.stat-info h3 { font-size: 24px; font-weight: 700; }
.stat-info p { font-size: 13px; color: #6c757d; margin: 0; }

.search-box { position: relative; }
.search-box input { padding-left: 38px; }
.search-box i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #999; }

@media (max-width: 991px) {
    .menu-toggle {
        display: inline-flex !important; align-items: center; justify-content: center;
        width: 40px; height: 40px; padding: 0; font-size: 20px;
        background: var(--light); border: 1px solid #ddd !important;
        color: var(--secondary);
    }
    .menu-toggle:hover { background: #e9ecef; color: var(--primary); }
}

@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
}