/* ===== PRODUCT DETAIL PAGE STYLES ===== */

/* Breadcrumb */
.breadcrumb {
    padding: calc(80px + var(--spacing-md)) 0 var(--spacing-md);
    background-color: var(--color-off-white);
    border-bottom: 1px solid rgba(192, 192, 192, 0.2);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: var(--color-gray);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.breadcrumb-nav a:hover {
    color: var(--color-gold);
}

.breadcrumb-nav .separator {
    color: var(--color-silver);
    font-weight: 300;
}

.breadcrumb-nav .current {
    color: var(--color-black);
    font-weight: 500;
}

/* Product Detail Layout */
.product-detail {
    padding: var(--spacing-xl) 0;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    position: relative;
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--color-off-white);
}

.main-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.zoom-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-gray);
}

.zoom-btn:hover {
    background: var(--color-white);
    color: var(--color-gold);
    transform: scale(1.1);
}

.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.thumbnail {
    border: 2px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    background: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 0;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--color-gold);
}

.thumbnail img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
}

/* Product Info */
.product-info {
    padding-left: var(--spacing-md);
}

.product-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(192, 192, 192, 0.2);
}

.product-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.product-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.product-price {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.current-price {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--color-gold);
}

.installments {
    font-size: 1rem;
    color: var(--color-gray);
    font-weight: 400;
}

.product-description {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.product-description p {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

/* Product Specifications */
.product-specs {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-off-white);
    border-radius: 8px;
}

.product-specs h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.specs-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(192, 192, 192, 0.1);
}

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

.spec-label {
    font-weight: 500;
    color: var(--color-black);
}

.spec-value {
    color: var(--color-gray);
    text-align: right;
}

/* Product Actions */
.product-actions {
    margin-bottom: var(--spacing-lg);
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.quantity-selector label {
    font-weight: 500;
    color: var(--color-black);
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 2px solid var(--color-silver);
    border-radius: 4px;
    overflow: hidden;
}

.qty-btn {
    background: var(--color-off-white);
    border: none;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-gray);
    transition: var(--transition-smooth);
}

.qty-btn:hover {
    background: var(--color-gold);
    color: var(--color-white);
}

.quantity-controls input {
    border: none;
    width: 60px;
    height: 40px;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    background: var(--color-white);
}

.quantity-controls input:focus {
    outline: none;
}

.add-to-cart-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-gold);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.add-to-cart-btn:hover {
    background-color: var(--color-bronze);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.3);
}

.secondary-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.wishlist-btn,
.share-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 2px solid var(--color-silver);
    color: var(--color-gray);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.wishlist-btn:hover,
.share-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-beige);
    border-radius: 8px;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray);
    font-size: 0.95rem;
}

.badge svg {
    color: var(--color-gold);
    flex-shrink: 0;
}

/* Product Tabs */
.product-tabs {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-off-white);
}

.tabs-navigation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(192, 192, 192, 0.2);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--color-gray);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}

.tabs-content {
    max-width: 800px;
    margin: 0 auto;
}

.tab-panel {
    display: none;
    animation: fadeInUp 0.3s ease-out;
}

.tab-panel.active {
    display: block;
}

.tab-panel h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.tab-panel p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

/* Detailed Specifications */
.specs-detailed {
    display: grid;
    gap: var(--spacing-lg);
}

.spec-group h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gold);
}

.spec-group ul {
    list-style: none;
    padding: 0;
}

.spec-group li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(192, 192, 192, 0.1);
    display: flex;
    justify-content: space-between;
}

.spec-group li:last-child {
    border-bottom: none;
}

/* Care Instructions */
.care-instructions {
    display: grid;
    gap: var(--spacing-lg);
}

.care-item h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gold);
}

.care-item p {
    margin: 0;
}

/* Shipping Info */
.shipping-info {
    display: grid;
    gap: var(--spacing-lg);
}

.shipping-option h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gold);
}

.shipping-option p {
    margin: 0;
}

/* Related Products */
.related-products {
    padding: var(--spacing-xl) 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* Zoom Modal */
.zoom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.zoom-modal.active {
    display: flex;
}

.zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.zoom-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
}

.zoom-content img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.zoom-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.zoom-close:hover {
    color: var(--color-gold);
    transform: scale(1.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .product-gallery {
        position: static;
    }
    
    .product-info {
        padding-left: 0;
    }
    
    .tabs-navigation {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .tab-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .breadcrumb {
        padding: calc(70px + var(--spacing-sm)) 0 var(--spacing-sm);
    }
    
    .breadcrumb-nav {
        font-size: 0.8rem;
        flex-wrap: wrap;
    }
    
    .main-image {
        height: 400px;
    }
    
    .main-image img {
        height: 400px;
    }
    
    .thumbnail-gallery {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xs);
    }
    
    .thumbnail img {
        height: 60px;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .current-price {
        font-size: 1.8rem;
    }
    
    .secondary-actions {
        flex-direction: column;
    }
    
    .specs-detailed {
        gap: var(--spacing-md);
    }
    
    .care-instructions,
    .shipping-info {
        gap: var(--spacing-md);
    }
    
    .related-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .product-detail {
        padding: var(--spacing-lg) 0;
    }
    
    .main-image {
        height: 300px;
    }
    
    .main-image img {
        height: 300px;
    }
    
    .zoom-btn {
        width: 40px;
        height: 40px;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .product-specs,
    .trust-badges {
        padding: var(--spacing-sm);
    }
    
    .tabs-navigation {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .tab-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .zoom-content {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .zoom-close {
        top: -30px;
        font-size: 1.5rem;
        width: 30px;
        height: 30px;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    .main-image img,
    .thumbnail,
    .add-to-cart-btn,
    .wishlist-btn,
    .share-btn,
    .zoom-btn {
        transition: none;
    }
    
    .tab-panel {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .thumbnail {
        border-width: 3px;
    }
    
    .product-specs,
    .trust-badges {
        border: 2px solid var(--color-gray);
    }
    
    .zoom-overlay {
        background: rgba(0, 0, 0, 0.95);
    }
}

/* Print Styles */
@media print {
    .product-gallery,
    .product-actions,
    .secondary-actions,
    .trust-badges,
    .product-tabs,
    .related-products,
    .footer {
        display: none;
    }
    
    .product-layout {
        grid-template-columns: 1fr;
    }
    
    .product-info {
        padding-left: 0;
    }
    
    .breadcrumb {
        padding: var(--spacing-sm) 0;
    }
}