body {
    font-family: Arial, sans-serif;
}
.card {
    border-radius: 10px;
}
.table th {
    background-color: #f8f9fa;
}
.form-control, .form-select {
    border-radius: 5px;
}
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}
.alert {
    border-radius: 5px;
}
@media (max-width: 576px) {
    .container {
        padding: 10px;
    }
    .form-control, .form-select, .btn {
        font-size: 0.9rem;
    }
    .table {
        font-size: 0.8rem;
    }
}