/* Checkout two-column layout */
.checkout-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.checkout-left {
    flex: 1 1 60%;
    min-width: 300px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 12px;
}

.checkout-right {
    flex: 1 1 35%;
    min-width: 280px;
    background: #fafafa;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #ddd;
}

/* Make mobile friendly */
@media (max-width: 768px) {
    .checkout-columns {
        flex-direction: column;
    }
}