body {
    font-family: Arial, sans-serif;
    background: #f8f9fa;
}

a {
    text-decoration: none;
}

.card {
    border: none;
    border-radius: 12px;
}

.sidebar .nav-link.active {
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    font-weight: 600;
}