body {
    background-color: #f8f9fa;
}

.card {
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.btn-primary {
    background-color: #0056b3;
    border-color: #004085;
}

.btn-primary:hover {
    background-color: #004085;
    border-color: #003366;
}