/* ==================== Product Detail Page ==================== */
.product-detail-section {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 80vh;
}

.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.main-image {
    width: 100%;
    height: 550px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--surface-light);
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-images {
    display: flex;
    gap: 0.75rem;
}

.thumbnail-images img {
    width: 80px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    opacity: 0.6;
}

.thumbnail-images img.active,
.thumbnail-images img:hover {
    border-color: var(--primary-color);
    opacity: 1;
}

.product-details-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.product-breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.product-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.product-main-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.product-brand-link {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-rating-large {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.stars-large {
    font-size: 1.25rem;
    color: #fbbf24;
}

.product-price-large {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.current-price-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.original-price-large {
    font-size: 1.125rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.discount-text {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(255, 107, 53, 0.15);
    padding: 0.375rem 0.875rem;
    border-radius: 50px;
    font-size: 0.875rem;
}

.product-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.product-specs {
    padding: 1.25rem 0;
}

.product-specs h4 {
    font-size: 0.875rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.specs-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.spec-tag {
    background: var(--background-color);
    color: var(--text-secondary);
    padding: 0.625rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Size and Color Selection */
.product-options {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.option-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.size-options, .color-options {
    display: flex;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.size-btn, .color-btn {
    padding: 0.625rem 1rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    min-width: 50px;
    text-align: center;
}

.size-btn:hover, .color-btn:hover,
.size-btn.active, .color-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.product-meta {
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.in-stock {
    color: var(--success);
    font-weight: 600;
}

.out-of-stock {
    color: #ef4444;
    font-weight: 600;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--background-color);
}

.quantity-controls button {
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.quantity-controls button:hover {
    background: var(--surface-light);
    color: var(--primary-color);
}

.quantity-controls input {
    width: 60px;
    height: 44px;
    text-align: center;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    background: transparent;
    color: var(--text-primary);
}

.product-actions-large {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.add-to-cart-large, .buy-now-large {
    flex: 1;
    padding: 1rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.add-to-cart-large {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.add-to-cart-large:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.buy-now-large {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
}

.buy-now-large:hover {
    opacity: 0.9;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    padding: 1.25rem;
    background: var(--background-color);
    border-radius: 8px;
    margin-top: 1rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.feature-icon {
    font-size: 1.25rem;
}

/* Related Products */
.related-products {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ==================== Cart Page ==================== */
.cart-section {
    padding: 2rem;
    min-height: 80vh;
}

.cart-container {
    max-width: 1200px;
    margin: 0 auto;
}

.cart-container h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.cart-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2.5rem;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.empty-cart {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--surface-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.empty-icon {
    font-size: 5rem;
    display: block;
    margin-bottom: 1.5rem;
}

.empty-cart h2 {
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
}

.empty-cart p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.continue-shopping-btn {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 110px 1fr auto auto auto auto;
    gap: 1.25rem;
    align-items: center;
    background: var(--surface-color);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.cart-item-image {
    width: 110px;
    height: 130px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface-light);
}

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

.cart-item-details {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.cart-item-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.cart-item-brand {
    color: var(--primary-color);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cart-item-variant {
    color: var(--text-muted);
    font-size: 0.8rem;
}

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

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--background-color);
    padding: 0.375rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.cart-item-quantity button {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    color: var(--text-primary);
}

.cart-item-quantity button:hover {
    background: var(--primary-color);
    color: var(--white);
}

.cart-item-quantity span {
    width: 40px;
    text-align: center;
    font-weight: 600;
}

.cart-item-total {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 100px;
    text-align: right;
}

.cart-item-remove {
    background: none;
    border: none;
    color: #ef4444;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.cart-item-remove:hover {
    transform: scale(1.2);
}

.summary-card {
    background: var(--surface-color);
    padding: 1.75rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: sticky;
    top: 100px;
}

.summary-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.875rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.free-shipping {
    color: var(--success);
    font-weight: 600;
}

.shipping-note {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 0.875rem;
}

.summary-row.total {
    font-size: 1.125rem;
    font-weight: 700;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
}

.checkout-btn {
    width: 100%;
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1.25rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkout-btn:hover {
    opacity: 0.9;
}

.continue-shopping {
    display: block;
    text-align: center;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.payment-methods {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.payment-methods p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.625rem;
}

.payment-icons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.payment-icon {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid var(--primary-color);
    padding: 0.4rem 0.875rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ==================== Checkout Page ==================== */
.checkout-section {
    padding: 2rem;
    min-height: 85vh;
}

.checkout-container {
    max-width: 1200px;
    margin: 0 auto;
}

.checkout-container h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.checkout-progress {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.progress-step.active {
    color: var(--primary-color);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.progress-step.active .step-number {
    background: var(--primary-color);
    color: var(--white);
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2.5rem;
}

.checkout-form {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.checkout-form h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.checkout-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.back-btn:hover {
    color: var(--primary-color);
}

.next-btn, .place-order-btn {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.next-btn:hover, .place-order-btn:hover {
    opacity: 0.9;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.payment-option {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    background: var(--background-color);
}

.payment-option:hover, .payment-option.selected {
    border-color: var(--primary-color);
    background: rgba(255, 107, 53, 0.1);
}

.payment-option input {
    display: none;
}

.payment-option label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

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

.payment-details h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.payment-details p {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.payment-instructions {
    margin-top: 1.75rem;
    padding: 1.25rem;
    background: var(--background-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.instruction-box ol {
    margin: 0;
    padding-left: 1.5rem;
}

.instruction-box li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.order-review {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.review-section {
    padding: 1rem;
    background: var(--background-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.review-section h3 {
    font-size: 0.8rem;
    margin-bottom: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.review-section p {
    margin-bottom: 0.375rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.review-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.order-summary-card {
    background: var(--surface-color);
    padding: 1.75rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: sticky;
    top: 100px;
    height: fit-content;
}

.order-summary-card h2 {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
}

.checkout-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border-color);
}

.checkout-item img {
    width: 50px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--surface-light);
}

.checkout-item-info {
    flex: 1;
}

.checkout-item-info p {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
}

.checkout-item-info span {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.checkout-item-price {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.summary-totals {
    margin-top: 1rem;
}

.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-content {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    max-width: 450px;
    margin: 1rem;
    border: 1px solid var(--border-color);
}

.success-icon {
    width: 72px;
    height: 72px;
    background: var(--success);
    color: var(--white);
    font-size: 2.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.modal-content h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.order-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
}

.payment-reminder {
    background: var(--background-color);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

.modal-content button {
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================== Policy Pages ==================== */
.policy-page {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.policy-content {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.policy-content h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.policy-content h2 {
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.policy-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.policy-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.policy-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .product-detail-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .cart-content,
    .checkout-content {
        grid-template-columns: 1fr;
    }

    .summary-card,
    .order-summary-card {
        position: static;
    }
    
    .main-image {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .product-detail-section,
    .cart-section,
    .checkout-section {
        padding: 1.5rem;
    }
    
    .product-detail-container {
        padding: 1.5rem;
    }
    
    .cart-item {
        grid-template-columns: 90px 1fr;
        gap: 1rem;
    }

    .cart-item-quantity,
    .cart-item-total,
    .cart-item-remove,
    .cart-item-variant {
        grid-column: 2;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkout-progress {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }
    
    .product-actions-large {
        flex-direction: column;
    }
    
    .policy-content {
        padding: 2rem;
    }
    
    .checkout-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .product-detail-section,
    .cart-section,
    .checkout-section {
        padding: 1rem;
    }
    
    .product-detail-container {
        padding: 1rem;
    }
    
    .main-image {
        height: 350px;
    }
    
    .product-main-title {
        font-size: 1.5rem;
    }
    
    .current-price-large {
        font-size: 1.5rem;
    }
    
    .policy-content {
        padding: 1.5rem;
    }
    
    .policy-content h1 {
        font-size: 1.5rem;
    }
}