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

.card {
    background-color: white;
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cart-summary {
    position: sticky;
    top: 20px;
}

.btn-primary {
    background-color: #ff6b35;
    border-color: #ff6b35;
}

.btn-primary:hover {
    background-color: #e55a2b;
    border-color: #e55a2b;
}

.quantity-input {
    border-radius: 0;
}

.input-group .btn {
    border-radius: 0;
}

.options .form-check {
    margin-right: 10px;
}

.options .form-check-input {
    margin-top: 0.1rem;
}