body {
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

.landing-page .stat-box {
    background: #f8fafc;
    border-radius: 12px;
    padding: 18px;
    border: 1px solid #e5e7eb;
}

.navbar-brand {
    letter-spacing: 0.02em;
}

.card {
    border-radius: 16px;
}

.sidebar {
    width: 240px;
    min-height: 100vh;
    background: #0f172a;
    color: #fff;
}

.sidebar a {
    color: #dbeafe;
    text-decoration: none;
}

.sidebar a:hover {
    color: #fff;
}

.main-content {
    min-height: 100vh;
    background: #f8fafc;
}

.kpi-card {
    border-radius: 18px;
    padding: 18px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
    min-height: 150px;
}

.kpi-label {
    color: #64748b;
    font-size: 0.82rem;
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.chart-wrap {
    background: white;
    border-radius: 16px;
    padding: 16px;
    border: 1px solid #e2e8f0;
}

.badge-status {
    font-size: 0.75rem;
    padding: 6px 10px;
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        min-height: auto;
    }
}