/* Modern Product Detail Styles - Optimized */
:root {
    --primary: #ff6000;
    --primary-hover: #ff8000;
    --border: #e0e0e0;
    --bg-light: #f8f9fa;
    --text-dark: #222;
    --text-gray: #666;
    --text-light: #999;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --transition: all 0.3s;
}

/* Common */
.modern-product-wrapper { background: #fff; border-radius: var(--radius-lg); }
.product-gallery-container { position: sticky; top: 20px; }
.main-image-wrapper { position: relative; background: var(--bg-light); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 20px; }

/* Badges */
.product-badges { position: absolute; top: 15px; left: 15px; z-index: 5; display: flex; flex-direction: column; gap: 8px; }
.product-badges span, .product-badge { padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.product-badges span { backdrop-filter: blur(10px); }
.badge-discount, .product-badge.sale { background: #ff4444; color: white; }
.badge-out-stock, .product-badge.out-of-stock { background: rgba(0,0,0,0.7); color: white; }
.badge-limited { background: #ff9800; color: white; }
.product-badge { position: absolute; top: 15px; left: 15px; text-transform: uppercase; z-index: 2; }

/* Gallery */
.main-image-container { position: relative; cursor: pointer; height: 500px; display: flex; align-items: center; justify-content: center; }
.main-image-container:hover .main-product-image { transform: scale(1.02); }
.main-product-image { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform 0.3s; }

/* Lightbox */
.lightbox-gallery { display: none; position: fixed; z-index: 10000; inset: 0; background: rgba(0,0,0,0.95); backdrop-filter: blur(10px); }
.lightbox-content { position: relative; width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.lightbox-image-wrapper { position: relative; max-width: 90%; max-height: 80vh; display: flex; align-items: center; justify-content: center; }
.lightbox-image { max-width: 100%; max-height: 80vh; object-fit: contain; }
.lightbox-close, .lightbox-nav { width: 40px; height: 40px; background: rgba(255,255,255,0.1); border: none; border-radius: 50%; color: white; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.lightbox-close { position: absolute; top: 20px; right: 30px; font-size: 24px; }
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(255,255,255,0.2); transform: scale(1.1); }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 50px; font-size: 20px; }
.lightbox-nav:hover { transform: translateY(-50%) scale(1.1); }
.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }
.lightbox-thumbnails { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; padding: 15px; background: rgba(0,0,0,0.5); border-radius: var(--radius); backdrop-filter: blur(10px); }
.lightbox-thumb { width: 60px; height: 60px; border: 2px solid transparent; border-radius: var(--radius); overflow: hidden; cursor: pointer; opacity: 0.6; transition: var(--transition); }
.lightbox-thumb img { width: 100%; height: 100%; object-fit: cover; }
.lightbox-thumb.active, .lightbox-thumb:hover { opacity: 1; }
.lightbox-thumb.active { border-color: var(--primary); }
.lightbox-thumb:hover { transform: scale(1.1); }
.lightbox-counter { position: absolute; top: 20px; left: 30px; color: white; font-size: 16px; background: rgba(0,0,0,0.5); padding: 8px 15px; border-radius: 20px; }

/* Product Info */
.product-info-container { padding-left: 20px; }
.product-header { margin-bottom: 25px; }
.brand-category { margin-bottom: 10px; }
.brand-tag, .category-tag { display: inline-block; padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; margin-right: 8px; }
.brand-tag { background: #e3f2fd; color: #1976d2; }
.category-tag { background: #f3e5f5; color: #7b1fa2; }
.product-title { font-size: 28px; font-weight: 600; color: var(--text-dark); line-height: 1.3; margin-bottom: 15px; }
.rating-reviews { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.star-rating, .rating { display: flex; align-items: center; gap: 3px; }
.star-rating .fas.fa-star, .rating .fas.fa-star { color: #e0e0e0; font-size: 16px; transition: color 0.3s; }
.star-rating .fas.fa-star.filled, .rating .fas.fa-star.active, .rating .fas.fa-star:not(.empty), .product-rating .fas.fa-star.active { color: #ffc107; }
.rating-value { margin-left: 8px; font-weight: 600; color: var(--text-dark); }
.review-link, .qa-link { color: var(--text-gray); text-decoration: none; font-size: 14px; display: flex; align-items: center; gap: 5px; transition: color 0.3s; }
.review-link:hover, .qa-link:hover { color: var(--primary); }

/* Price */
.price-section { background: linear-gradient(135deg, #fff5f5 0%, #fff 100%); padding: 20px; border-radius: var(--radius-lg); margin-bottom: 20px; border: 1px solid #ffe0e0; }
.old-price, .current-price { display: flex; align-items: center; gap: 10px; }
.old-price { margin-bottom: 5px; }
.old-price .label, .current-price .label, .old-price .value, .old-price .label { color: var(--text-light); }
.old-price .label, .current-price .label { font-size: 14px; }
.old-price .value { text-decoration: line-through; font-size: 18px; }
.current-price { flex-wrap: wrap; gap: 15px; }
.current-price .label { color: var(--text-gray); }
.current-price .value { font-size: 32px; font-weight: 700; color: var(--primary); }
.saved-amount { background: #4caf50; color: white; padding: 4px 10px; border-radius: 20px; font-size: 13px; font-weight: 500; }
.price-modifier-info { display: block; font-size: 14px; color: var(--text-gray); margin-top: 5px; }

/* Description & Options */
.short-description { padding: 15px 0; border-bottom: 1px solid #f0f0f0; margin-bottom: 20px; }
.short-description p { color: var(--text-gray); line-height: 1.6; margin: 0; }
.product-options-modern { margin-bottom: 25px; }
.option-group-modern { margin-bottom: 20px; }
.option-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.option-label { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.option-label .required { color: #ff4444; margin-left: 3px; }
.selected-value { font-size: 14px; color: var(--text-gray); font-weight: 500; }
.option-items { display: flex; flex-wrap: wrap; gap: 10px; }

/* Color Options */
.color-items .color-item { position: relative; width: 45px; height: 45px; border-radius: 50%; border: 2px solid var(--border); cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.color-item:hover { transform: scale(1.1); border-color: var(--primary); }
.color-item.selected { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,96,0,0.2); }
.color-circle { width: 35px; height: 35px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.1); }
.color-item.unavailable, .size-item.unavailable, .option-button.unavailable { opacity: 0.4; cursor: not-allowed; }
.unavailable-line { position: absolute; width: 100%; height: 2px; background: #dc3545; transform: rotate(-45deg); }

/* Size & Button Options */
.size-items .size-item, .option-button { min-width: 60px; padding: 10px 15px; border: 2px solid var(--border); border-radius: var(--radius); text-align: center; cursor: pointer; transition: var(--transition); background: white; }
.size-item:hover, .option-button:hover { border-color: var(--primary); background: #fff5f0; }
.size-item.selected, .option-button.selected { border-color: var(--primary); background: var(--primary); color: white; }
.size-item.unavailable { background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0,0,0,0.05) 10px, rgba(0,0,0,0.05) 20px); }
.size-item span { font-weight: 600; font-size: 14px; }
.size-item small { display: block; font-size: 11px; margin-top: 2px; }
.option-error { color: #dc3545; font-size: 13px; margin-top: 8px; display: flex; align-items: center; gap: 5px; }

/* Stock */
.stock-status { margin-bottom: 20px; }
.in-stock, .out-of-stock { display: flex; align-items: center; gap: 8px; font-size: 14px; padding: 10px; border-radius: var(--radius); }
.in-stock { background: #e8f5e9; color: #2e7d32; }
.in-stock i { color: #4caf50; }
.out-of-stock { background: #ffebee; color: #c62828; }
.out-of-stock i { color: #f44336; }
.low-stock-warning { margin-top: 8px; padding: 8px 12px; border-radius: 6px; background: #fff3e0; color: #e65100; font-size: 13px; display: flex; align-items: center; gap: 8px; }

/* Purchase Actions */
.purchase-actions { display: flex; gap: 15px; margin-bottom: 25px; flex-wrap: wrap; align-items: center; }
.quantity-selector { display: flex; align-items: center; border: 2px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.qty-btn { width: 40px; height: 40px; border: none; background: white; cursor: pointer; transition: var(--transition); }
.qty-btn:hover { background: #f5f5f5; }
#quantity { width: 60px; height: 40px; border: none; text-align: center; font-weight: 600; font-size: 16px; }
#quantity:focus { outline: none; }
.btn-add-cart { flex: 1; min-width: 200px; height: 50px; border: none; border-radius: var(--radius); background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%); color: white; font-weight: 600; font-size: 16px; display: flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer; transition: var(--transition); }
.btn-add-cart:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(255,96,0,0.3); }
.btn-add-cart.disabled { background: var(--border); cursor: not-allowed; color: var(--text-light); }
.action-buttons { display: flex; gap: 10px; }
.btn-action { position: relative; width: 45px; height: 45px; border: 2px solid var(--border); border-radius: var(--radius); background: white; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.btn-action:hover { border-color: var(--primary); color: var(--primary); }
.btn-action.active, .btn-action.in-favorites, .btn-action.in-compare { background: var(--primary); color: white; border-color: var(--primary); animation: addedPulse 0.5s ease; }
.btn-action.in-favorites i, .btn-action.in-compare i { animation: iconRotate 0.5s ease; }
.btn-action.adding { pointer-events: none; opacity: 0.6; }
.btn-action.adding i { animation: spin 1s linear infinite; }
@keyframes addedPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.2); } }
@keyframes iconRotate { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.btn-action .tooltip { position: absolute; bottom: -35px; left: 50%; transform: translateX(-50%); background: #333; color: white; padding: 5px 10px; border-radius: 4px; font-size: 12px; white-space: nowrap; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 10; }
.btn-action:hover .tooltip { opacity: 1; visibility: visible; }

/* Tabs */
.product-tabs-modern { margin-top: 50px; }
.modern-tabs { border: none; background: var(--bg-light); border-radius: var(--radius-lg); padding: 5px; display: flex; gap: 5px; }
.modern-tabs .nav-item { flex: 1; }
.modern-tabs .nav-link { border: none; background: transparent; color: var(--text-gray); padding: 12px 20px; border-radius: var(--radius); text-align: center; font-weight: 500; transition: var(--transition); }
.modern-tabs .nav-link:hover { background: rgba(255,96,0,0.1); color: var(--primary); }
.modern-tabs .nav-link.active { background: white; color: var(--primary); box-shadow: var(--shadow); }
.tab-content .tab-pane { display: none; }
.tab-content .tab-pane.show.active { display: block; }

/* Reviews & Q&A Common */
.empty-reviews-container, .no-questions-message { padding: 40px 20px; background: #f9f9f9; border-radius: var(--radius); text-align: center; }
.empty-reviews-icon, .no-questions-icon { font-size: 48px; color: #ddd; margin-bottom: 15px; }
.empty-reviews-container h4, .no-questions-message h4 { font-size: 22px; color: #555; margin-bottom: 10px; }
.empty-reviews-container p, .no-questions-message p { color: #777; font-size: 15px; max-width: 400px; margin: 0 auto; }
.no-questions-message { background: transparent; }

/* Reviews */
.product-review-list .single-comment { min-height: 160px; display: flex; align-items: flex-start; padding: 20px; border: 1px solid #f0f0f0; border-radius: var(--radius); margin-bottom: 20px; background: #fff; }
.product-review-list .comment-avatar-img { flex-shrink: 0; width: 60px; height: 60px; margin-right: 15px; }
.product-review-list .comment-avatar-img img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; }
.product-review-list .comment-text { flex: 1; display: flex; flex-direction: column; height: 120px; }
.product-review-list .comment-avatar-info { margin-bottom: 8px; min-height: 45px; display: flex; flex-direction: column; justify-content: space-between; }
.product-review-list .comment-avatar-info h5 { font-size: 16px; font-weight: 600; margin: 0 0 5px; color: #333; }
.product-review-list .comment-date, .question-date, .answer-date { font-size: 12px; color: var(--text-light); }
.product-review-list .rating { margin: 5px 0; height: 20px; display: flex; align-items: center; }
.product-review-list .rating i { font-size: 14px; margin-right: 2px; }
.product-review-list .comment-text p { flex: 1; margin: 0; font-size: 14px; line-height: 1.5; color: var(--text-gray); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }

/* Q&A */
.qa-container { position: relative; margin-bottom: 30px; padding: 10px 0; }
.qa-slider-wrapper { position: relative; overflow: visible; border-radius: var(--radius); background: #fff; padding: 0 30px; }
.qa-slider { display: flex; transition: transform 0.5s; background: #fff; }
.qa-item { min-width: 100%; padding: 15px 5px; }
.question-item { background: #fff; border-radius: var(--radius); box-shadow: 0 2px 8px rgba(0,0,0,0.04); transition: var(--transition); border: 1px solid #f0f0f0; min-height: 200px; display: flex; flex-direction: column; }
.question-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.question-header { display: flex; align-items: center; padding: 15px 20px; border-bottom: 1px solid #f5f5f5; background: #fff; min-height: 60px; }
.question-avatar { width: 38px; height: 38px; margin-right: 12px; border-radius: 50%; overflow: hidden; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.question-avatar img.qa-avatar { width: 38px; height: 38px; object-fit: cover; border-radius: 50%; }
.question-meta { flex: 1; min-width: 0; }
.question-meta h5 { margin: 0; font-size: 15px; font-weight: 600; color: #333; line-height: 1.3; }
.question-date { display: block; margin-top: 2px; }
.question-body { padding: 16px 20px; background: #fff; border-bottom: 1px solid #f5f5f5; flex: 1; display: flex; align-items: flex-start; min-height: 60px; }
.question-label, .answer-label { color: var(--text-gray); font-weight: 500; margin-right: 6px; font-size: 14px; flex-shrink: 0; }
.question-body p, .answer-body p { margin: 0; line-height: 1.5; flex: 1; }
.question-body p { font-size: 15px; color: #333; display: inline; }
.answer-container { padding: 16px 20px; background: #f9f9f9; border-radius: 0 0 var(--radius) var(--radius); flex-shrink: 0; min-height: 80px; }
.answer-header { display: flex; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 10px; }
.answer-meta { flex: 1; display: flex; align-items: center; gap: 10px; min-width: 0; }
.answer-by { background: #f0f0f0; color: #555; padding: 2px 10px; font-size: 12px; border-radius: 30px; font-weight: 500; }
.answer-date { flex-shrink: 0; }
.answer-body { display: flex; align-items: flex-start; }
.answer-body p { color: #444; font-size: 14px; }
.qa-nav-buttons { position: absolute; top: 50%; width: 100%; transform: translateY(-50%); z-index: 10; left: 0; pointer-events: none; }
.qa-nav-buttons .qa-prev { left: -5px; }
.qa-nav-buttons .qa-next { right: -5px; }
.qa-nav-buttons button { position: absolute; pointer-events: auto; z-index: 100; }
.qa-dots { display: flex; justify-content: center; margin-top: 15px; gap: 6px; }
.qa-dot { width: 8px; height: 8px; border-radius: 50%; background: #ddd; cursor: pointer; transition: var(--transition); }
.qa-dot:hover { background: #ccc; transform: scale(1.1); }
.qa-dot.active { background: var(--text-gray); transform: scale(1.3); }

/* Forms */
.form-message { margin-top: 15px; padding: 12px 15px; border-radius: 4px; font-size: 14px; font-weight: 500; }
.success-message { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.error-message { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.form-message i { margin-right: 8px; }
#submitQuestionBtn:disabled { opacity: 0.6; cursor: not-allowed; }
#question { min-height: 100px; resize: vertical; }

/* Installment */
.bank-installment-item { border: 1px solid #e9e9e9; border-radius: 5px; margin-bottom: 10px; padding: 15px; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.03); }
.bank-title { display: flex; align-items: center; margin-bottom: 15px; border-bottom: 1px solid #f0f0f0; padding-bottom: 10px; }
.bank-title h5 { margin: 0 0 0 15px; font-size: 16px; font-weight: 600; color: var(--text-dark); }
.bank-logo { max-height: 24px; }
.installment-table { width: 100%; margin-bottom: 0; border-collapse: collapse; }
.installment-table th { border-bottom: 1px solid #f0f0f0; font-size: 13px; color: var(--text-gray); font-weight: 500; padding: 8px 4px; text-align: left; }
.installment-table td { padding: 8px 4px; font-size: 13px; }
.installment-count { font-weight: 600; color: var(--text-dark); }
.monthly-amount { font-weight: 600; color: #f44; }
.total-amount { color: var(--text-gray); }
.installment-table tr:nth-child(even) { background: #fafafa; }

/* Similar Products */
.similar-products-area .section-title h2 { color: #333; font-size: 32px; font-weight: 600; margin-bottom: 15px; }
.similar-products-area .section-title p { color: var(--text-gray); font-size: 16px; margin-bottom: 0; }
.product-item { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.08); transition: var(--transition); position: relative; }
.product-item:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }
.product-thumb { position: relative; overflow: hidden; }
.product-thumb img { transition: transform 0.3s; }
.product-item:hover .product-thumb img { transform: scale(1.05); }
.product-item:hover .product-action { opacity: 1; visibility: visible; transform: translateX(0); }
.product-action { position: absolute; top: 15px; right: 15px; display: flex; flex-direction: column; gap: 8px; opacity: 0; visibility: hidden; transform: translateX(20px); transition: var(--transition); }
.product-action-btn { width: 40px; height: 40px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #333; text-decoration: none; box-shadow: 0 2px 8px rgba(0,0,0,0.15); transition: var(--transition); }
.product-action-btn:hover { background: var(--primary); color: #fff; transform: scale(1.1); }
.product-content { padding: 20px; }
.product-rating { margin-bottom: 10px; display: flex; align-items: center; gap: 5px; }
.product-rating .fas.fa-star { color: #e4e5e9; font-size: 14px; }
.product-rating .rating-count { color: var(--text-gray); font-size: 13px; margin-left: 5px; }
.product-content h4 { margin-bottom: 15px; font-size: 16px; font-weight: 600; line-height: 1.4; }
.product-content h4 a { color: #333; text-decoration: none; transition: color 0.3s; }
.product-content h4 a:hover { color: var(--primary); }
.product-price { display: flex; align-items: center; gap: 10px; }
.product-price .new-price { color: var(--primary); font-size: 18px; font-weight: 700; }
.product-price .old-price { color: var(--text-light); font-size: 14px; text-decoration: line-through; }

/* Video Modal */
.video-modal { display: none; position: fixed; z-index: 9999; inset: 0; background: rgba(0,0,0,0.9); backdrop-filter: blur(5px); }
.video-modal-content { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 90%; max-width: 900px; max-height: 90vh; background: #000; border-radius: 10px; overflow: hidden; box-shadow: 0 10px 50px rgba(0,0,0,0.5); }
.video-modal-header { background: #333; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; color: white; }
.video-modal-title { margin: 0; font-size: 18px; font-weight: 500; color: white!important; }
.video-modal-close { background: none; border: none; color: white; font-size: 24px; cursor: pointer; padding: 5px; border-radius: 50%; width: 35px; height: 35px; display: flex; align-items: center; justify-content: center; transition: all 0.3s; }
.video-modal-close:hover { background: rgba(255,255,255,0.1); }
.video-modal-body { position: relative; width: 100%; height: 0; padding-bottom: 56.25%; }
.video-modal-iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

/* Gallery Thumbnails */
.thumbnail-gallery { position: relative; display: flex; align-items: center; margin-top: 15px; gap: 10px; }
.thumbnail-slider { flex: 1; overflow: hidden; position: relative; }
.thumbnail-track { display: flex; gap: 10px; transition: transform 0.3s ease; }
.thumbnail-item { flex: 0 0 70px; height: 70px; border: 2px solid #e0e0e0; border-radius: 8px; overflow: hidden; cursor: pointer; transition: all 0.3s ease; position: relative; }
.thumbnail-item:hover { border-color: #FF6000; transform: scale(1.05); }
.thumbnail-item.active { border-color: #FF6000; box-shadow: 0 0 0 1px rgba(255, 96, 0, 0.2); }
.thumbnail-item img { width: 100%; height: 100%; object-fit: cover; }
.thumbnail-item.video-thumb { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display: flex; align-items: center; justify-content: center; }
.video-thumb-content { text-align: center; color: white; }
.video-thumb-content i { font-size: 20px; margin-bottom: 2px; display: block; }
.video-thumb-content span { font-size: 11px; font-weight: 600; }
.gallery-nav { flex: 0 0 auto; width: 32px; height: 32px; border: 1px solid #e0e0e0; background: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s ease; font-size: 12px; color: #666; }
.gallery-nav:hover:not(:disabled) { background: #FF6000; border-color: #FF6000; color: white; }
.gallery-nav:disabled { opacity: 0.5; cursor: not-allowed; }

/* Responsive */
@media (max-width: 1199px) { .zoom-result { display: none !important; } }
@media (max-width: 991px) { .product-info-container { padding-left: 0; margin-top: 30px; } .col-md-4.mb-4 { width: 50%; } }
@media (max-width: 768px) {
    .product-title { font-size: 24px; }
    .current-price .value { font-size: 28px; }
    .purchase-actions { flex-direction: column; }
    .btn-add-cart, .action-buttons { width: 100%; }
    .action-buttons { justify-content: center; }
    .qa-slider-wrapper { padding: 0 20px; }
    .question-item { min-height: 180px; }
    .question-header { padding: 12px 15px; min-height: 50px; }
    .question-avatar { width: 32px; height: 32px; margin-right: 10px; }
    .question-avatar img.qa-avatar { width: 32px; height: 32px; }
    .question-meta h5 { font-size: 14px; }
    .question-date, .answer-date, .answer-by { font-size: 11px; }
    .question-body { padding: 12px 15px; min-height: 50px; }
    .question-body p { font-size: 14px; }
    .answer-container { padding: 12px 15px; min-height: 70px; }
    .answer-header { gap: 8px; }
    .answer-by { padding: 1px 8px; }
    .answer-body p { font-size: 13px; }
    .qa-nav-buttons button { width: 32px; height: 32px; font-size: 12px; }
    .qa-nav-buttons .qa-prev { left: -10px; }
    .qa-nav-buttons .qa-next { right: -10px; }
    .product-review-list .single-comment { min-height: 140px!important; padding: 15px; }
    .product-review-list .comment-avatar-img { width: 50px; height: 50px; margin-right: 12px; }
    .product-review-list .comment-avatar-img img { width: 50px; height: 50px; }
    .product-review-list .comment-text { height: 110px; }
    .product-review-list .comment-avatar-info { min-height: 40px; }
    .product-review-list .comment-avatar-info h5 { font-size: 14px; }
    .product-review-list .comment-text p { font-size: 13px; -webkit-line-clamp: 2; }
    .video-modal-content { width: 95%; max-height: 80vh; }
    .video-modal-header { padding: 10px 15px; }
    .video-modal-title { font-size: 16px; }
    .similar-products-area .section-title h2 { font-size: 28px; }
    .product-content { padding: 15px; }
    .product-action { opacity: 0; visibility: hidden; transform: translateX(0); }
    .col-md-4.mb-4 { width: 100%; }
}
@media (max-width: 480px) {
    .qa-slider-wrapper { padding: 0 15px; }
    .question-item { min-height: 160px; }
    .question-header, .question-body, .answer-container { padding: 10px 12px; }
    .answer-header { flex-direction: column; align-items: flex-start; gap: 5px; }
    .answer-meta { width: 100%; }
    .similar-products-area .section-title h2 { font-size: 24px; }
}