/* Base Styles */
    .shop-checkout {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .page-title {
        font-size: 2rem;
        font-weight: 700;
        color: #2d3748;
        margin-bottom: 2rem;
        text-align: center;
    }

    /* Checkout Steps */
    .checkout-steps {
        display: flex;
        justify-content: center;
        margin-bottom: 3rem;
        border-bottom: 1px solid #e2e8f0;
        padding-bottom: 1.5rem;
    }

    .checkout-steps__item {
        display: flex;
        align-items: center;
        text-decoration: none;
        color: #718096;
        padding: 1rem 2rem;
        border-radius: 8px;
        transition: all 0.3s ease;
        margin: 0 0.5rem;
    }

    .checkout-steps__item.active {
        background: #f7fafc;
        color: #2d3748;
    }

    .checkout-steps__item-number {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: #e2e8f0;
        color: #718096;
        border-radius: 50%;
        font-weight: 600;
        margin-right: 12px;
        transition: all 0.3s ease;
    }

    .checkout-steps__item.active .checkout-steps__item-number {
        background: #4299e1;
        color: white;
    }

    .checkout-steps__item-title span {
        display: block;
        font-weight: 600;
        font-size: 0.9rem;
    }

    .checkout-steps__item-title em {
        font-style: normal;
        font-size: 0.8rem;
        color: #a0aec0;
    }

    /* Cart Layout */
    .cart-content-wrapper {
        display: grid;
        grid-template-columns: 1fr 400px;
        gap: 2rem;
        align-items: start;
    }

    /* Cart Items Section */
    .cart-items-section {
        background: white;
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        overflow: hidden;
    }

    .cart-header {
        padding: 1.5rem;
        border-bottom: 1px solid #e2e8f0;
        background: #f8fafc;
    }

    .cart-header h3 {
        margin: 0;
        color: #2d3748;
        font-size: 1.25rem;
        font-weight: 600;
    }

    .cart-items-list {
        padding: 0;
    }

    .cart-item {
        display: grid;
        grid-template-columns: 100px 1fr auto auto auto;
        gap: 1rem;
        align-items: center;
        padding: 1.5rem;
        border-bottom: 1px solid #f1f5f9;
        transition: background-color 0.2s ease;
    }

    .cart-item:hover {
        background: #f8fafc;
    }

    .cart-item__image {
        width: 80px;
        height: 80px;
        border-radius: 8px;
        overflow: hidden;
        border: 1px solid #e2e8f0;
    }

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

    .cart-item__details {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .cart-item__name {
        margin: 0;
        font-size: 1rem;
        font-weight: 600;
        color: #2d3748;
        line-height: 1.4;
    }

    .cart-item__price-mobile {
        display: none;
        font-weight: 600;
        color: #4299e1;
        margin-top: 0.25rem;
    }

    .cart-item__price .price-amount {
        font-weight: 600;
        color: #2d3748;
        font-size: 1rem;
    }

    /* Quantity Control */
    .quantity-control {
        display: flex;
        align-items: center;
        background: #f7fafc;
        border-radius: 8px;
        padding: 4px;
        border: 1px solid #e2e8f0;
    }

    .quantity-form {
        margin: 0;
    }

    .quantity-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border: none;
        background: white;
        border-radius: 6px;
        color: #4a5568;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
        box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }

    .quantity-btn:hover {
        background: #4299e1;
        color: white;
        transform: translateY(-1px);
    }

    .quantity-display {
        display: flex;
        align-items: center;
        padding: 0 12px;
        min-width: 60px;
        justify-content: center;
        font-weight: 600;
        color: #2d3748;
    }

    .quantity-value {
        margin-right: 4px;
    }

    .quantity-unit {
        font-size: 0.8rem;
        color: #718096;
    }

    .cart-item__subtotal .subtotal-amount {
        font-weight: 700;
        color: #2d3748;
        font-size: 1.1rem;
    }

    /* Remove Button */
    .remove-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: none;
        background: #fed7d7;
        color: #c53030;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .remove-btn:hover {
        background: #feb2b2;
        transform: scale(1.1);
    }

    /* Cart Actions */
    .cart-actions {
        padding: 1.5rem;
        background: #f8fafc;
        border-top: 1px solid #e2e8f0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .coupon-section {
        flex: 1;
        min-width: 300px;
    }

    .coupon-input-group {
        display: flex;
        gap: 0.5rem;
    }

    .coupon-input {
        flex: 1;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .coupon-input.applied {
        background: #f0fff4;
        border-color: #68d391;
        color: #276749;
    }

    .coupon-apply-btn, .coupon-remove-btn {
        white-space: nowrap;
        border-radius: 8px;
        font-weight: 600;
        padding: 0.75rem 1.5rem;
    }

    .coupon-apply-btn {
        background: #4299e1;
        color: white;
        border: none;
    }

    .coupon-remove-btn {
        background: #fed7d7;
        color: #c53030;
        border: none;
    }

    .clear-cart-btn {
        background: white;
        color: #718096;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        padding: 0.75rem 1.5rem;
        font-weight: 600;
        display: flex;
        align-items: center;
        transition: all 0.2s ease;
    }

    .clear-cart-btn:hover {
        background: #fed7d7;
        color: #c53030;
        border-color: #fed7d7;
    }

    /* Alerts */
    .alert {
        padding: 1rem 1.5rem;
        border-radius: 8px;
        margin: 1rem 1.5rem;
        display: flex;
        align-items: center;
        font-weight: 500;
    }

    .alert-success {
        background: #f0fff4;
        color: #276749;
        border: 1px solid #c6f6d5;
    }

    .alert-error {
        background: #fed7d7;
        color: #c53030;
        border: 1px solid #feb2b2;
    }

    /* Order Summary */
    .order-summary-section {
        position: sticky;
        top: 2rem;
    }

    .order-summary-card {
        background: white;
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        overflow: hidden;
    }

    .summary-title {
        padding: 1.5rem;
        margin: 0;
        background: #f8fafc;
        border-bottom: 1px solid #e2e8f0;
        font-size: 1.25rem;
        font-weight: 600;
        color: #2d3748;
    }

    .summary-details {
        padding: 1.5rem;
    }

    .summary-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem 0;
        border-bottom: 1px solid #f1f5f9;
    }

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

    .summary-row.discount {
        color: #38a169;
    }

    .summary-row.total {
        border-top: 2px solid #e2e8f0;
        margin-top: 0.5rem;
        padding-top: 1rem;
    }

    .summary-label {
        color: #718096;
        font-weight: 500;
    }

    .summary-value {
        font-weight: 600;
        color: #2d3748;
    }

    .summary-value.free {
        color: #38a169;
    }

    .summary-value.total-amount {
        font-size: 1.25rem;
        color: #4299e1;
    }

    .coupon-code {
        background: #e6fffa;
        color: #234e52;
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 0.8rem;
        margin-left: 4px;
    }

    /* Checkout Action */
    .checkout-action {
        padding: 1.5rem;
        border-top: 1px solid #e2e8f0;
        background: #f8fafc;
    }

    .btn-checkout {
        width: 100%;
        background: #4299e1;
        color: white;
        border: none;
        border-radius: 8px;
        padding: 1rem 1.5rem;
        font-weight: 600;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
        transition: all 0.3s ease;
    }

    .btn-checkout:hover {
        background: #3182ce;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
    }

    .continue-shopping {
        width: 100%;
        border: 1px solid #e2e8f0;
        color: #718096;
        border-radius: 8px;
        padding: 0.75rem 1.5rem;
        font-weight: 500;
        text-align: center;
        text-decoration: none;
        transition: all 0.2s ease;
    }

    .continue-shopping:hover {
        background: #f7fafc;
        color: #4a5568;
    }

    /* Empty Cart */
    .empty-cart {
        text-align: center;
        padding: 4rem 2rem;
        background: white;
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

    .empty-cart__icon {
        color: #cbd5e0;
        margin-bottom: 1.5rem;
    }

    .empty-cart__title {
        font-size: 1.5rem;
        color: #4a5568;
        margin-bottom: 0.5rem;
    }

    .empty-cart__message {
        color: #718096;
        margin-bottom: 2rem;
    }

    .empty-cart__btn {
        padding: 0.75rem 2rem;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
        .cart-content-wrapper {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .order-summary-section {
            position: static;
        }
    }

    @media (max-width: 768px) {
        .shop-checkout {
            padding: 0 15px;
        }

        .checkout-steps {
            flex-direction: column;
            align-items: stretch;
            gap: 0.5rem;
        }

        .checkout-steps__item {
            margin: 0;
            padding: 1rem;
        }

        .cart-item {
            grid-template-columns: 80px 1fr auto;
            grid-template-areas:
                "image details actions"
                "image quantity subtotal"
                "image price price";
            gap: 0.75rem;
            padding: 1rem;
            position: relative;
        }

        .cart-item__image {
            grid-area: image;
            width: 70px;
            height: 70px;
        }

        .cart-item__details {
            grid-area: details;
        }

        .cart-item__price {
            grid-area: price;
            display: none;
        }

        .cart-item__price-mobile {
            display: block;
        }

        .cart-item__quantity {
            grid-area: quantity;
        }

        .cart-item__subtotal {
            grid-area: subtotal;
            text-align: right;
        }

        .cart-item__actions {
            grid-area: actions;
            position: absolute;
            top: 1rem;
            right: 1rem;
        }

        .quantity-control {
            width: fit-content;
        }

        .cart-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .coupon-section {
            min-width: auto;
        }

        .coupon-input-group {
            flex-direction: column;
        }

        .empty-cart {
            padding: 3rem 1rem;
        }
    }

    @media (max-width: 480px) {
        .page-title {
            font-size: 1.5rem;
        }

        .cart-item {
            grid-template-columns: 60px 1fr auto;
            grid-template-areas:
                "image details actions"
                "image quantity quantity"
                "image price subtotal";
            gap: 0.5rem;
        }

        .cart-item__image {
            width: 60px;
            height: 60px;
        }

        .cart-item__name {
            font-size: 0.9rem;
        }

        .quantity-control {
            justify-content: space-between;
            width: 100%;
        }

        .quantity-display {
            min-width: auto;
            padding: 0 8px;
        }
    }