/* === PRODUCT PAGE STYLES === */
        .product-header {
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
                        url('https://images.unsplash.com/photo-1586023492125-27b2c045efd7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0 60px;
            text-align: center;
        }

        .product-header h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
        }

        .breadcrumb a {
            color: var(--main-action-color);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: white;
        }

        .breadcrumb span {
            color: #ccc;
        }

        /* Product Layout */
        .product-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            padding: 80px 0;
        }

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

        .main-image {
            width: 100%;
            height: 500px;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

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

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

        .thumbnail-gallery {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .thumbnail {
            height: 100px;
            border-radius: 8px;
            overflow: hidden;
            cursor: pointer;
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .thumbnail.active {
            border-color: var(--main-line-color);
        }

        .thumbnail:hover {
            border-color: var(--main-line-color);
        }

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

        .product-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background-color: var(--extra-color);
            color: white;
            padding: 8px 15px;
            border-radius: 5px;
            font-size: 0.9rem;
            font-weight: bold;
            z-index: 2;
        }

        /* Product Details */
        .product-details h1 {
            font-size: 2.5rem;
            color: var(--main-text-color);
            margin-bottom: 15px;
        }

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

        .product-rating {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .product-rating i {
            color: var(--main-action-color);
        }

        .review-count {
            color: #666;
            margin-left: 5px;
        }

        .product-sku {
            color: #666;
            font-size: 0.9rem;
        }

        .product-price {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }

        .current-price {
            font-size: 2rem;
            font-weight: bold;
            color: var(--extra-color);
        }

        .original-price {
            font-size: 1.5rem;
            color: #999;
            text-decoration: line-through;
        }

        .discount-badge {
            background-color: var(--main-action-color);
            color: var(--main-text-color);
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 0.9rem;
            font-weight: bold;
        }

        .product-description {
            margin-bottom: 30px;
            line-height: 1.6;
            color: #555;
        }

        /* Product Options */
        .product-options {
            margin-bottom: 30px;
        }

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

        .option-title {
            font-weight: bold;
            margin-bottom: 10px;
            color: var(--main-text-color);
        }

        .option-values {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .option-value {
            padding: 8px 15px;
            border: 2px solid #ddd;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }

        .option-value.active {
            border-color: var(--main-line-color);
            background-color: var(--main-bg-color);
        }

        .option-value:hover {
            border-color: var(--main-line-color);
        }

        .color-option {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }

        .color-option.active {
            border-color: var(--main-text-color);
        }

        .quantity-selector {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
        }

        .quantity-controls {
            display: flex;
            align-items: center;
            border: 1px solid #ddd;
            border-radius: 5px;
            overflow: hidden;
        }

        .quantity-btn {
            width: 40px;
            height: 40px;
            background: white;
            border: none;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .quantity-btn:hover {
            background-color: var(--main-bg-color);
        }

        .quantity-input {
            width: 60px;
            height: 40px;
            border: none;
            text-align: center;
            font-size: 1rem;
            outline: none;
        }

        /* Action Buttons */
        .product-actions {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
        }

        .btn-primary {
            flex: 1;
            background-color: var(--main-action-color);
            color: var(--main-text-color);
            border: none;
            padding: 15px;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 1.1rem;
        }

        .btn-primary:hover {
            background-color: var(--extra-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary {
            width: 50px;
            height: 50px;
            background: white;
            border: 2px solid #ddd;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .btn-secondary:hover {
            border-color: var(--main-line-color);
            background-color: var(--main-bg-color);
        }

        /* Product Meta */
        .product-meta-info {
            border-top: 1px solid #eee;
            padding-top: 20px;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            color: #666;
        }

        .meta-item i {
            color: var(--main-line-color);
            width: 20px;
        }

        /* Tabs Section */
        .product-tabs {
            margin-top: 80px;
        }

        .tabs-header {
            display: flex;
            border-bottom: 1px solid #eee;
            margin-bottom: 30px;
        }

        .tab-btn {
            padding: 15px 30px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            color: #666;
            position: relative;
            transition: var(--transition);
        }

        .tab-btn.active {
            color: var(--main-text-color);
        }

        .tab-btn.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--main-line-color);
        }

        .tab-content {
            display: none;
        }

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

        .tab-content h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--main-text-color);
        }

        .specs-table {
            width: 100%;
            border-collapse: collapse;
        }

        .specs-table tr {
            border-bottom: 1px solid #eee;
        }

        .specs-table td {
            padding: 15px 10px;
        }

        .specs-table td:first-child {
            font-weight: bold;
            width: 30%;
            color: var(--main-text-color);
        }

        /* Reviews */
        .review-summary {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-bottom: 40px;
            padding: 30px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .overall-rating {
            text-align: center;
        }

        .rating-score {
            font-size: 3rem;
            font-weight: bold;
            color: var(--main-text-color);
        }

        .rating-stars {
            margin: 10px 0;
        }

        .rating-count {
            color: #666;
        }

        .rating-bars {
            flex: 1;
        }

        .rating-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .bar-label {
            width: 80px;
        }

        .bar-container {
            flex: 1;
            height: 8px;
            background-color: #eee;
            border-radius: 4px;
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            background-color: var(--main-action-color);
        }

        .reviews-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .review-item {
            padding: 25px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

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

        .reviewer-info h4 {
            margin-bottom: 5px;
            color: var(--main-text-color);
        }

        .review-date {
            color: #666;
            font-size: 0.9rem;
        }

        .review-content p {
            line-height: 1.6;
            color: #555;
        }

        /* Related Products */
        .related-products {
            background-color: var(--main-bg-color);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .product-img {
            height: 250px;
            overflow: hidden;
        }

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

        .product-card:hover .product-img img {
            transform: scale(1.05);
        }

        .product-info {
            padding: 20px;
        }

        .product-category {
            color: var(--main-line-color);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 5px;
        }

        .product-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--main-text-color);
        }

        .product-price {
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--extra-color);
            margin-bottom: 15px;
        }

        .add-to-cart {
            width: 100%;
            background-color: var(--main-action-color);
            color: var(--main-text-color);
            border: none;
            padding: 12px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }

        .add-to-cart:hover {
            background-color: var(--extra-color);
            color: white;
        }

        /* === RESPONSIVE === */
        @media screen and (max-width: 992px) {
            /* Product Page for Tablet */
            .product-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .main-image {
                height: 400px;
            }

            .review-summary {
                flex-direction: column;
                text-align: center;
            }

            .rating-bars {
                width: 100%;
            }
        }

        @media screen and (max-width: 576px) {
            .product-header h1 {
                font-size: 2.5rem;
            }
            
            .thumbnail-gallery {
                grid-template-columns: repeat(2, 1fr);
            }

            .product-actions {
                flex-direction: column;
            }

            .tabs-header {
                flex-direction: column;
            }

            .tab-btn {
                text-align: center;
                border-bottom: 1px solid #eee;
            }
        }