/* General body styling */
body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

/* Header styling */
h1 {
    font-size: 2rem;
    font-weight: bold;
    color: #343a40;
    text-align: center;
}

/* Card styling */
.card {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
}

.card-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #495057;
}

/* Button styling */
.btn-primary {
    background-color: #007bff;
    border: none;
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    color: #fff;
    cursor: pointer;
}

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

/* Textarea styling */
textarea {
    width: 100%;
    font-family: Arial, sans-serif;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    padding: 0.5rem;
    resize: none;
}

/* Pre block styling for results */
pre {
    background-color: #e9ecef;
    padding: 1rem;
    border-radius: 0.25rem;
    font-size: 1rem;
    color: #212529;
}

/* Order and total amount styling */
#order-details ul {
    list-style-type: none;
    padding: 0;
}

#order-details ul li {
    margin-bottom: 0.5rem;
}

#total-amount {
    font-weight: bold;
    color: #495057;
    margin-top: 1rem;
    font-size: 1.1rem;
}

/* Responsive design */
@media (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }

    .btn-primary {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }

    textarea {
        font-size: 0.875rem;
    }

    pre {
        font-size: 0.875rem;
    }
}