.md-checkout-section {
    padding: 2rem 0 4rem;
}

.md-checkout-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
    align-items: start;
}

.md-checkout-form-container {
    background-color: var(--md-card-bg);
    border: 1px solid var(--md-border);
    border-radius: var(--md-radius-lg);
    padding: 2rem;
}

.md-form-section {
    margin-bottom: 2rem;
}

.md-form-section:last-child {
    margin-bottom: 0;
}

.md-form-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--md-border);
    color: var(--md-text);
}

.md-payment-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.md-payment-option {
    display: block;
    cursor: pointer;
}

.md-payment-option input {
    display: none;
}

.md-payment-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 1.25rem;
    border: 2px solid var(--md-border);
    border-radius: var(--md-radius);
    transition: all var(--md-transition);
}

.md-payment-option.active .md-payment-content,
.md-payment-option input:checked + .md-payment-content {
    border-color: var(--md-primary);
    background-color: var(--md-hover-bg);
}

.md-payment-icon {
    font-size: 2rem;
}

.md-payment-info strong {
    display: block;
    color: var(--md-text);
    margin-bottom: 4px;
}

.md-payment-info span {
    font-size: 0.9rem;
    color: var(--md-text-secondary);
}

.md-checkout-submit {
    margin-top: 2rem;
}

.md-checkout-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--md-text-muted);
    margin-top: 1rem;
}

.md-order-summary {
    background-color: var(--md-card-bg);
    border: 1px solid var(--md-border);
    border-radius: var(--md-radius-lg);
    padding: 1.5rem;
    position: sticky;
    top: 100px;
}

.md-order-summary h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--md-border);
}

.md-summary-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
}

.md-summary-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--md-border);
}

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

.md-summary-item-image {
    position: relative;
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.md-summary-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--md-radius);
    border: 1px solid var(--md-border);
}

.md-summary-qty {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--md-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
}

.md-summary-item-info {
    flex: 1;
    min-width: 0;
}

.md-summary-item-info h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--md-text);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.md-summary-item-price {
    font-weight: 600;
    color: var(--md-primary);
}

.md-summary-totals {
    border-top: 1px solid var(--md-border);
    padding-top: 1rem;
}

.md-checkout-features {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--md-border);
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 16px;
}

.md-checkout-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--md-text-secondary);
}

@media (max-width: 992px) {
    .md-checkout-layout {
        grid-template-columns: 1fr;
    }
    
    .md-order-summary {
        order: -1;
        position: static;
    }
    
    .md-summary-items {
        max-height: 200px;
    }
}