.checkout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 24px;
}

@media (min-width: 768px) {
    .checkout-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.checkout-items {
    background: white;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.checkout-summary {
    background: white;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    height: fit-content;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    color: #666;
}

.summary-row.total {
    border-top: 1px solid #eee;
    padding-top: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: #0d1b12;
    margin-bottom: 24px;
}

.btn-block {
    width: 100%;
    display: block;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid #eee;
}

.checkout-item:last-child {
    border-bottom: none;
}