body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: #f1f4f9;
    color: #333;
}

.sidebar {
    width: 260px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #1a1d24 !important;
    padding-top: 66px;
    z-index: 1000;
}

.sidebar .nav-link {
    color: #a3aab1;
    padding: 12px 20px;
    margin: 4px 15px;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.05);
    color: #fff;
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: linear-gradient(90deg, #0d6efd 0%, #0a58ca 100%);
    color: #fff;
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
}

.sidebar .nav-link i {
    font-size: 1.2rem;
    width: 30px;
    display: inline-block;
}

.ls-1 {
    letter-spacing: 1px;
}

.content-wrapper {
    margin-left: 260px;
    margin-top: 56px;
    padding: 30px;
    min-height: calc(100vh - 56px);
}

.kpi-card {
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    border: none;
    border-radius: 12px;
}

.kpi-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1) !important;
}

.kpi-icon-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.bg-gradient-primary { background: linear-gradient(135deg, #0d6efd, #0dcaf0); }
.bg-gradient-success { background: linear-gradient(135deg, #198754, #20c997); }
.bg-gradient-warning { background: linear-gradient(135deg, #ffc107, #fd7e14); }
.bg-gradient-danger { background: linear-gradient(135deg, #dc3545, #f87171); }
.bg-gradient-info { background: linear-gradient(135deg, #0dcaf0, #6ea8fe); }

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: #6c757d;
}

.table td {
    vertical-align: middle;
}