/* Product Detail Page Styles */

/* Breadcrumb */
.breadcrumb {
    padding: 20px 0;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
    transition: color 0.3s ease;
}

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

.breadcrumb span {
    margin: 0 8px;
}

/* Product Detail Wrapper */
.product-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 40px 0;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 140px;
    height: fit-content;
}

.main-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--bg-gray);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
    transition: opacity 0.3s ease;
}

/* Image Loading */
.image-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-gray);
    z-index: 10;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-light);
}

.image-badges {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.thumbnail-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
}

.thumbnail {
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

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

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

/* Product Info Section */
.product-info-section {
    padding: 20px 0;
}

.product-name {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
    color: var(--text-color);
}

.product-rating-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.stars {
    color: #ffd43b;
    font-size: 18px;
}

.review-count {
    color: var(--text-light);
    font-size: 14px;
}

/* Price Section */
.product-price-wrapper {
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 10px;
}

.price-current {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-original {
    font-size: 24px;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-save {
    font-size: 14px;
    font-weight: 700;
    color: var(--success-color);
    background-color: rgba(81, 207, 102, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-block;
}

/* Stock Info */
.stock-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.stock-status {
    font-size: 14px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
}

.stock-status.in-stock {
    color: var(--success-color);
    background-color: rgba(81, 207, 102, 0.1);
}

.stock-status.out-of-stock {
    color: #ff6b6b;
    background-color: rgba(255, 107, 107, 0.1);
}

.sold-count {
    font-size: 14px;
    color: var(--text-light);
}

/* Spec Selector */
.spec-selector {
    margin-bottom: 25px;
}

.spec-group {
    margin-bottom: 20px;
}

.spec-label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.spec-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    transition: all 0.3s ease;
}

.spec-options.spec-required {
    padding: 10px;
    background-color: rgba(255, 107, 107, 0.1);
    border: 2px dashed #ff6b6b;
    border-radius: 8px;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.spec-option {
    min-width: 60px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    background-color: var(--bg-gray);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.spec-option:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.spec-option.selected {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.spec-option:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.spec-option:disabled:hover {
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Quantity Section */
.quantity-section {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.quantity-section label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.qty-btn {
    width: 40px;
    height: 40px;
    background-color: var(--bg-gray);
    border: none;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.qty-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.qty-input {
    width: 60px;
    height: 40px;
    border: none;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    appearance: textfield;
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Cart Actions */
.cart-actions {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.cart-actions .btn {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
}

.btn-add-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-buy-now {
    background-color: #fff;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-buy-now:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Product Features */
.product-features {
    background-color: var(--bg-gray);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-color);
}

.feature-item svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Product Description */
.product-description {
    margin-bottom: 30px;
}

.product-description h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.product-description p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

/* Share Section */
.product-share {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.product-share span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--bg-gray);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.share-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

/* Product Tabs */
.product-tabs {
    margin: 60px 0;
}

.tab-headers {
    display: flex;
    gap: 5px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 30px;
}

.tab-header {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-light);
    background-color: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.tab-header:hover {
    color: var(--text-color);
}

.tab-header.active {
    color: var(--primary-color);
}

.tab-header.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 30px;
    background-color: var(--bg-gray);
    border-radius: 12px;
}

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

.details-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

#productDetailImages {
    margin-bottom: 30px;
}

#productDetailImages img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin-bottom: 20px;
    border-radius: 8px;
}

.details-content ul {
    list-style: none;
}

.details-content li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
}

.details-content li:last-child {
    border-bottom: none;
}

.details-content strong {
    color: var(--text-color);
    margin-right: 10px;
}

/* Reviews Content */
.reviews-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Comment Tabs */
.comment-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.comment-tab {
    padding: 8px 20px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.comment-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.comment-tab.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.empty-reviews {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 16px;
}

.review-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.review-author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.review-author-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 15px;
}

.review-spec {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.review-meta {
    text-align: right;
}

.review-rating {
    color: #ffd43b;
    font-size: 16px;
    margin-bottom: 5px;
}

.review-date {
    font-size: 13px;
    color: var(--text-light);
}

.review-content {
    margin-bottom: 15px;
}

.review-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 15px;
}

.comment-images {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.comment-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.comment-image:hover {
    transform: scale(1.05);
}

.merchant-reply {
    background-color: var(--bg-gray);
    padding: 15px;
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.reply-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 13px;
    margin-bottom: 8px;
}

.reply-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
}

/* Comment Pagination */
#commentPagination {
    margin-top: 30px;
}

#commentPagination .pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    align-items: center;
}

#commentPagination .page-btn {
    padding: 8px 16px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

#commentPagination .page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

#commentPagination .page-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* Image Preview Modal */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    cursor: pointer;
}

.image-preview-modal img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

/* Shipping Content */
.shipping-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    margin-top: 20px;
    color: var(--text-color);
}

.shipping-content h3:first-child {
    margin-top: 0;
}

.shipping-content p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

/* Related Products */
.related-products {
    padding: 60px 0;
    background-color: var(--bg-gray);
}

.related-products .section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
}

.related-products .product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product-detail-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-gallery {
        position: static;
    }
    
    .related-products .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-name {
        font-size: 24px;
    }
    
    .price-current {
        font-size: 28px;
    }
    
    .price-original {
        font-size: 18px;
    }
    
    .cart-actions {
        grid-template-columns: 1fr;
    }
    
    .tab-headers {
        flex-wrap: wrap;
    }
    
    .tab-header {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .related-products .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .quantity-section {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .thumbnail-list {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .related-products .product-grid {
        grid-template-columns: 1fr;
    }
}