body {
    background-color: #f8f9fa;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.stat-card {
    border: none;
    border-radius: 0.75rem;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    text-align: center;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.stat-card h2 {
    font-weight: 700;
}

.nav-tabs .nav-link {
    font-weight: 500;
    color: #6c757d;
}

.nav-tabs .nav-link.active {
    color: #000;
    background-color: #fff;
    border-color: #dee2e6 #dee2e6 #fff;
}

.tab-pane {
    padding-top: 1rem;
}

.table-sm {
    font-size: 0.9rem;
}

.list-group-item {
    font-weight: 500;
}