:root {
    --primary-color: #2563EB;
    --secondary-color: #1E40AF;
    --accent-color: #3B82F6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --background: #F9FAFB;
    --surface: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-surface: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.8));
}

body {
    background-color: var(--background);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
}

.breadcrumb-section {
    background: var(--surface);
    padding: 120px 0 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

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

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s var(--transition-smooth);
}

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

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

.component-detail-wrapper {
    padding: 40px 0 80px 0;
}

.product-gallery {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: 0 4px 6px var(--shadow-light);
    position: relative;
}

.main-image {
    position: relative;
    text-align: center;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--background);
    padding: 40px;
    cursor: pointer;
}

.main-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s var(--transition-smooth);
}

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

.sale-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--danger), #FF6B6B);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

.image-zoom-hint {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity 0.3s var(--transition-smooth);
}

.main-image:hover .image-zoom-hint {
    opacity: 1;
}

.product-info {
    padding: 0 20px;
}

.product-header {
    margin-bottom: 30px;
}

.product-category {
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 15px;
}

.product-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.3;
}

.product-sku {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sku-label {
    font-weight: 500;
}

.sku-value {
    color: var(--text-primary);
    font-family: 'Monaco', 'Consolas', monospace;
    background: var(--background);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.rating-stars {
    color: var(--warning);
}

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

.product-pricing {
    background: var(--gradient-surface);
    padding: 25px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
}

.price-container {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.original-price {
    font-size: 1.125rem;
    color: var(--text-light);
    text-decoration: line-through;
}

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

.discount-badge {
    background: var(--success);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.product-stock {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.stock-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.stock-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
}

.stock-status.in-stock {
    color: var(--success);
}

.product-actions {
    margin-bottom: 30px;
}

.quantity-selector {
    margin-bottom: 20px;
}

.quantity-selector label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s var(--transition-smooth);
}

.qty-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.qty-btn:active {
    transform: scale(0.95);
}

#quantity {
    width: 80px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
}

.action-buttons {
    display: flex;
    gap: 15px;
}

.btn-add-cart {
    flex: 1;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-add-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-wishlist,
.btn-compare {
    width: 50px;
    height: 50px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    color: var(--text-secondary);
}

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

.product-features {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid var(--border-color);
}

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

.feature-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.feature-item i {
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

.product-details-section {
    margin-top: 60px;
}

.details-tabs .nav-tabs {
    border: none;
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 10px;
    box-shadow: 0 2px 4px var(--shadow-light);
}

.details-tabs .nav-link {
    border: none;
    background: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
}

.details-tabs .nav-link:hover {
    color: var(--primary-color);
    background: var(--background);
}

.details-tabs .nav-link.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.tab-content {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-top: 20px;
    box-shadow: 0 2px 4px var(--shadow-light);
    min-height: 300px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

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

.spec-value {
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.product-description h4 {
    color: var(--text-primary);
    margin: 25px 0 15px 0;
}

.product-description ul {
    list-style: none;
    padding: 0;
}

.product-description li {
    position: relative;
    padding: 8px 0 8px 25px;
    color: var(--text-secondary);
}

.product-description li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.reviews-section {
    max-width: 800px;
}

.reviews-summary {
    background: var(--background);
    padding: 25px;
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    text-align: center;
}

.average-rating {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.rating-count {
    color: var(--text-secondary);
    margin-top: 10px;
}

.review-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.reviewer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.review-rating {
    color: var(--warning);
}

.review-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.warranty-info h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.warranty-info ul {
    list-style: none;
    padding: 0;
}

.warranty-info li {
    position: relative;
    padding: 10px 0 10px 25px;
    color: var(--text-secondary);
}

.warranty-info li::before {
    content: '🛡️';
    position: absolute;
    left: 0;
}

.related-products-section {
    margin-top: 80px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
    text-align: center;
}

.related-product-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 2px 4px var(--shadow-light);
    transition: all 0.3s var(--transition-smooth);
    height: 100%;
}

.related-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-medium);
}

.related-product-card .product-image {
    padding: 20px;
    background: var(--background);
    text-align: center;
}

.related-product-card .product-image img {
    width: 100%;
    height: 200px;
    object-fit: contain;
}

.related-product-card .product-info {
    padding: 20px;
}

.related-product-card h4 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.related-product-card h4 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s var(--transition-smooth);
}

.related-product-card h4 a:hover {
    color: var(--primary-color);
}

.related-product-card .price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

@media (max-width: 992px) {
    .product-title {
        font-size: 1.75rem;
    }
    
    .current-price {
        font-size: 1.75rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn-wishlist,
    .btn-compare {
        width: 100%;
        height: 45px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .component-detail-wrapper {
        padding: 20px 0 40px 0;
    }
    
    .product-gallery {
        margin-bottom: 30px;
    }
    
    .product-info {
        padding: 0;
    }
    
    .product-stock {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .price-container {
        justify-content: center;
        text-align: center;
    }
    
    .details-tabs .nav-tabs {
        flex-wrap: wrap;
    }
    
    .details-tabs .nav-link {
        flex: 1;
        text-align: center;
        min-width: 120px;
    }
}