/* Product Detail Page Styles */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --success-color: #059669;
    --error-color: #dc2626;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background: var(--bg-secondary);
    padding: 0.75rem 0;
    margin-bottom: 2rem;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 0 0.5rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-item:hover {
    color: var(--text-primary);
}

.breadcrumb-separator {
    display: flex;
    align-items: center;
}

.breadcrumb-separator svg {
    width: 0.75rem;
    height: 0.75rem;
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Product Layout */
.product-detail {
    padding: 1rem 0;
    background: var(--bg-primary);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: relative;
}

.main-image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

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

.main-image:hover {
    transform: scale(1.02);
}

/* Product Badges */
.product-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 10;
}

.sale-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--error-color);
    color: white;
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.new-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--success-color);
    color: white;
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Gallery Actions */
.gallery-actions {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.action-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.action-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-btn svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-primary);
}

/* Thumbnail Gallery */
.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.thumbnail-gallery::-webkit-scrollbar {
    display: none;
}

.thumbnail-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    min-width: 80px;
}

.thumbnail-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.thumbnail-item.active {
    border-color: var(--primary-color);
}

.thumbnail-item img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    transition: var(--transition);
}

.thumbnail-item:hover img {
    transform: scale(1.05);
}

/* Product Info */
.product-info {
    padding: 1rem;
}

/* Brand & Category Badges */
.brand-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary-color);
    margin-right: 0.75rem;
    box-shadow: var(--shadow-sm);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.product-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 1.5rem 0;
    line-height: 1.2;
}

/* Rating */
.rating {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    width: 1.25rem;
    height: 1.25rem;
    color: #fbbf24;
}

.star.filled {
    color: #fbbf24;
}

.rating-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Price */
.price-section {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    flex-wrap: wrap;
}

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

.old-price {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.savings {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--success-color);
    padding: 0.25rem 0.75rem;
    background: rgba(5, 150, 105, 0.1);
    border-radius: 6px;
}

/* Product Meta */
.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin: 1.5rem 0;
    background: var(--bg-secondary);
    flex-wrap: wrap;
    gap: 1rem;
}

.sku {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sku-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sku-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stock-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--success-color);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: rgba(5, 150, 105, 0.1);
    border-radius: 8px;
}

.stock-status svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Description */
.product-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
}

/* Purchase Section */
.purchase-section {
    margin: 2rem 0;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.quantity-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.quantity-control {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-sm);
}

.quantity-btn {
    padding: 0.75rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-btn:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.quantity-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.quantity-input {
    width: 4rem;
    text-align: center;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    background: none;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.add-to-cart-btn {
    flex: 1;
    min-width: 200px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.add-to-cart-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.add-to-cart-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.wishlist-btn {
    flex: 1;
    min-width: 200px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.wishlist-btn:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.wishlist-btn.active {
    color: var(--error-color);
    border-color: var(--error-color);
}

.wishlist-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Product Features */
.product-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 16px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary-color);
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0;
}

/* Gallery Modal */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: none;
}

.gallery-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 64rem;
    width: 100%;
    margin: 1rem;
    box-shadow: var(--shadow-md);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 8px;
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.modal-close svg {
    width: 1.5rem;
    height: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    background: rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .main-image {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .product-title {
        font-size: 1.75rem;
    }

    .current-price {
        font-size: 1.75rem;
    }

    .old-price {
        font-size: 1.125rem;
    }

    .thumbnail-gallery {
        grid-template-columns: repeat(4, 1fr);
    }

    .action-buttons {
        flex-direction: column;
    }

    .add-to-cart-btn,
    .wishlist-btn {
        width: 100%;
    }

    .product-features {
        grid-template-columns: 1fr;
    }

    .product-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .stock-status {
        width: 100%;
        justify-content: center;
    }
}

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

    .current-price {
        font-size: 1.5rem;
    }

    .old-price {
        font-size: 1rem;
    }

    .thumbnail-gallery {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .price-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .quantity-selector {
        flex-direction: column;
        align-items: flex-start;
    }

    .quantity-control {
        width: 100%;
        max-width: 200px;
    }

    .modal-content {
        margin: 0.5rem;
    }

    .gallery-actions {
        bottom: 0.5rem;
        right: 0.5rem;
    }

    .action-btn {
        width: 2rem;
        height: 2rem;
    }

    .action-btn svg {
        width: 1rem;
        height: 1rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) {
    .action-btn:hover,
    .thumbnail-item:hover,
    .gallery-item:hover,
    .feature-item:hover,
    .add-to-cart-btn:hover,
    .wishlist-btn:hover {
        transform: none;
    }

    .action-btn:active,
    .thumbnail-item:active,
    .gallery-item:active,
    .feature-item:active,
    .add-to-cart-btn:active,
    .wishlist-btn:active {
        transform: scale(0.98);
    }
}