body {
    background-color: #f8f9fa;
}

.sidebar {
    height: 100vh;
    background: #212529;
    color: white;
    padding: 20px;
}

.stat-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #333;
}

.table-responsive {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}