.cart-section {
    padding: calc(var(--spacing-xl) * 2) 0 var(--spacing-xl) 0;
}

.cart-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-lg);
    align-items: start;
}

.cart-items {
    display: flex;
    flex-direction: column;
}

.cart-item {
    position: relative;
    display: grid;
    grid-template-columns: 100px 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    transition: opacity 0.3s ease;
}

.cart-item-removing {
    opacity: 0;
    transform: scale(0.95);
}

.cart-item__remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 50%;
    color: var(--gray-600);
    font-size: 1.75rem;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
    z-index: 2;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.cart-item__remove:hover {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
    transform: rotate(90deg);
}

@media (hover: none) and (pointer: coarse) {
    .cart-item__remove:active {
        background: var(--danger);
        color: var(--white);
        border-color: var(--danger);
    }
}

.cart-item__image {
    width: 100px;
    height: 100px;
    overflow: hidden;
    border-radius: var(--border-radius);
    grid-column: 1;
    grid-row: 1 / 3;
    flex-shrink: 0;
    display: block;
    transition: opacity 0.2s ease;
}

.cart-item__image:hover {
    opacity: 0.8;
}

.cart-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    font-size: 2rem;
}

.cart-item__info {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-right: 40px;
}

.cart-item__name {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
    text-align: left;
}

.cart-item__name-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.cart-item__name-link:hover {
    color: var(--primary);
}

.cart-item__controls {
    grid-column: 1 / 3;
    grid-row: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.cart-item__quantity {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 4px;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.quantity-btn:hover {
    background: var(--gray-100);
    border-color: var(--primary);
}

.quantity-btn:active {
    transform: scale(0.95);
}

.quantity-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

@media (hover: none) and (pointer: coarse) {
    .quantity-btn:active {
        background: var(--primary);
        color: var(--white);
        border-color: var(--primary);
    }
}

.cart-item__remove:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.quantity-value {
    min-width: 30px;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
}

.cart-item__price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.cart-item__price-old {
    text-decoration: line-through;
    color: var(--danger);
    font-size: 0.875rem;
}

.cart-item__price-current {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.cart-summary {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    position: sticky;
    top: 100px;
}

.cart-summary .summary-details {
    display: flex;
    flex-direction: column;
}

.cart-summary .summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-subtotal,
.cart-savings,
.promo-discount,
.cart-grand-total {
    font-weight: 600;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.summary-row span:first-child {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.cart-grand-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.cart-warning {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    color: var(--warning-text);
}

.cart-warning svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.cart-warning strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.cart-warning p {
    margin: 0;
    font-size: 0.875rem;
}

.cart-warning a {
    color: var(--primary);
    text-decoration: underline;
}

.cart-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    background-color: #ccc;
    border-color: #ccc;
    color: #666;
}

.btn-disabled:hover {
    background-color: #ccc;
    border-color: #ccc;
    color: #666;
    transform: none;
}

.empty-cart {
    padding: var(--spacing-xl) 0;
}

.empty-cart-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    margin: 0 auto var(--spacing-lg);
}

.empty-cart-icon .icon-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    font-style: normal;
}

.empty-cart h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.empty-cart p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.cart-animation {
    animation: cartBounce 0.6s ease-in-out;
}

@keyframes cartBounce {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1.2);
    }
    75% {
        transform: scale(1.1);
    }
}

.cart-message {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1050;
    min-width: 300px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
}

.cart-message.show {
    opacity: 1;
    transform: translateX(0);
}

.cart-message-success {
    background: var(--success);
}

.cart-message-error {
    background: var(--danger);
}

.promo-code-section {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.promo-code-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.promo-code-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.promo-code-input-group input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.938rem;
    min-width: 0;
}

.promo-code-input-group button {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 10px 16px;
    font-size: 0.875rem;
}

.promo-message {
    display: none;
    margin-top: var(--spacing-sm);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.promo-message-visible {
    display: block;
    opacity: 1;
}

.promo-message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.promo-message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.summary-details {
    display: flex;
    flex-direction: column;
}

.summary-savings,
.summary-promo {
    color: var(--success);
}

.summary-savings .cart-savings,
.summary-promo .promo-discount {
    font-weight: 600;
}

.summary-total {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-300);
}

.summary-total span:first-child {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

@media (min-width: 993px) {
    .cart-item {
        grid-template-columns: 120px 1fr auto auto;
        grid-template-rows: auto;
        align-items: center;
        padding: var(--spacing-lg);
    }
    
    .cart-item__remove {
        top: 12px;
        right: 12px;
    }
    
    .cart-item__image {
        width: 120px;
        height: 120px;
        grid-row: 1;
        grid-column: 1;
    }
    
    .cart-item__info {
        grid-column: 2;
        grid-row: 1;
        padding-right: 20px;
    }
    
    .cart-item__name {
        font-size: 1.125rem;
    }
    
    .cart-item__controls {
        grid-column: 3 / 5;
        grid-row: 1;
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
        justify-content: flex-end;
    }
    
    .cart-item__quantity {
        order: 1;
    }
    
    .cart-item__price {
        order: 2;
    }
}

@media (max-width: 992px) {
    .cart-content {
        grid-template-columns: 1fr;
    }

    .cart-summary {
        position: static;
    }
}

@media (min-width: 769px) and (max-width: 992px) {
    .cart-item {
        grid-template-columns: 100px 1fr;
        padding: var(--spacing-md);
    }
    
    .cart-item__image {
        width: 100px;
        height: 100px;
    }
    
    .cart-item__name {
        font-size: 1.063rem;
    }
    
    .cart-item__controls {
        gap: var(--spacing-md);
    }
    
    .cart-item__price-current {
        font-size: 1.063rem;
    }
    
    .cart-actions .btn {
        width: 100%;
        padding: 14px 20px;
    }
}

@media (max-width: 768px) {
    .cart-section {
        padding-top: 80px;
    }
    
    .cart-warning {
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .cart-items {
        gap: 12px;
    }
    
    .cart-item {
        padding: 12px;
        gap: 12px;
    }
    
    .cart-item__image {
        width: 80px;
        height: 80px;
    }
    
    .cart-item__name {
        font-size: 0.938rem;
    }
    
    .cart-item__controls {
        grid-column: 2;
        margin-left: 0;
    }
    
    .cart-item__remove {
        width: 28px;
        height: 28px;
        font-size: 1.5rem;
    }
    
    .quantity-btn {
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }
    
    .quantity-value {
        min-width: 25px;
        font-size: 0.938rem;
    }
    
    .cart-item__price-current {
        font-size: 1rem;
    }
    
    .cart-item__price-old {
        font-size: 0.813rem;
    }
    
    .cart-summary {
        margin-bottom: 20px;
    }
    
    .summary-details {
        display: flex;
        flex-direction: column;
    }
    
    .summary-details .summary-row {
        gap: 8px;
    }
    
    .summary-details .summary-row span:first-child {
        flex-shrink: 0;
    }
    
    .summary-details .summary-row span:last-child {
        flex-shrink: 0;
        text-align: right;
    }
}

@media (max-width: 576px) {
    .cart-message {
        left: 10px;
        right: 10px;
        min-width: auto;
    }
    
    .cart-section {
        padding-top: 70px;
        padding-bottom: 100px;
    }
    
    .cart-warning {
        margin-top: 12px;
        margin-bottom: 12px;
        padding: 12px;
    }
    
    .cart-items {
        gap: 8px;
    }
    
    .cart-item {
        padding: 10px;
        gap: 10px;
    }
    
    .cart-item__image {
        width: 70px;
        height: 70px;
    }
    
    .cart-item__name {
        font-size: 0.875rem;
        line-height: 1.3;
    }
    
    .cart-item__controls {
        grid-column: 2;
    }
    
    .cart-item__remove {
        width: 26px;
        height: 26px;
        font-size: 1.375rem;
        top: 8px;
        right: 8px;
    }
    
    .quantity-btn {
        width: 26px;
        height: 26px;
        font-size: 0.938rem;
    }
    
    .quantity-value {
        min-width: 22px;
        font-size: 0.875rem;
    }
    
    .cart-item__quantity {
        gap: 8px;
        padding: 3px;
    }
    
    .cart-item__price-current {
        font-size: 0.938rem;
    }
    
    .cart-item__price-old {
        font-size: 0.75rem;
    }
    
    .cart-summary {
        margin-bottom: 20px;
        padding: 16px;
    }
    
    .summary-details .summary-row {
        padding: 6px 0;
        font-size: 0.875rem;
        gap: 8px;
    }
    
    .summary-details .summary-row span:first-child {
        flex-shrink: 0;
    }
    
    .summary-details .summary-row span:last-child {
        flex-shrink: 0;
        text-align: right;
    }
    
    .summary-total {
        margin-top: 12px;
        padding-top: 12px;
    }
    
    .cart-grand-total {
        font-size: 1.25rem;
    }
    
    .cart-actions {
        margin-top: 16px;
    }
}

@media (max-width: 400px) {
    .cart-section {
        padding-top: 65px;
    }
    
    .cart-item__name {
        font-size: 0.813rem;
    }
    
    .cart-item__image {
        width: 60px;
        height: 60px;
    }
    
    .cart-summary {
        padding: 12px;
        margin-bottom: 15px;
    }
    
    .summary-details .summary-row {
        font-size: 0.813rem;
    }
    
    .cart-grand-total {
        font-size: 1.125rem;
    }
}

.order-section {
    padding: var(--spacing-xl) 0;
}

.order-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-lg);
    align-items: start;
}

.order-form-wrapper {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
}

.form-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

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

.payment-method {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-method:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.payment-method input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.payment-method span {
    font-weight: 500;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
}

.order-summary {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    position: sticky;
    top: 20px;
}

.order-summary h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.order-items {
    margin-bottom: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.item-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-name {
    font-weight: 500;
    color: var(--dark);
}

.item-quantity {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.item-price {
    font-weight: 600;
    color: var(--dark);
}

.order-totals {
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-200);
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 1rem;
}

.promo-row {
    color: var(--success);
}

.total-final {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-300);
    font-size: 1.25rem;
    font-weight: 700;
}

.total-amount {
    color: var(--primary);
}

.order-info {
    margin-top: var(--spacing-md);
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

@media (max-width: 1024px) {
    .order-content {
        grid-template-columns: 1fr;
    }
    
    .order-summary {
        position: static;
        margin-top: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .order-form-wrapper,
    .order-summary {
        padding: var(--spacing-md);
    }
    
    .btn-disabled {
        opacity: 0.4;
        width: 100%;
    }
    
    .cart-actions .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .order-items {
        max-height: 200px;
    }
    
    .btn-disabled {
        font-size: 0.938rem;
        padding: 12px 16px;
    }
    
    .cart-actions {
        margin-bottom: 10px;
    }
}