body {
    background-color: #f8f9fa;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
}

.card-header {
    background-color: #ffffff;
    border-radius: 10px 10px 0 0;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 20px;
}

.btn-primary {
    background-color: #3b82f6;
    border-color: #3b82f6;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease-in-out;
}

.btn-primary:hover {
    background-color: #2563eb;
    border-color: #2563eb;
}