/* Import base styles from Phase 1 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-blue: #1e40af;
            --secondary-blue: #3b82f6;
            --light-blue: #dbeafe;
            --dark-gray: #1f2937;
            --medium-gray: #6b7280;
            --light-gray: #f9fafb;
            --white: #ffffff;
            --accent-orange: #f59e0b;
            --success-green: #10b981;
            --border-color: #e5e7eb;
            --error-red: #ef4444;
            
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
            --radius: 8px;
            --radius-lg: 12px;
        }

        body {
            font-family: var(--font-primary);
            line-height: 1.6;
            color: var(--dark-gray);
            background-color: var(--light-gray);
        }

        /* Header & Navigation (inherited from Phase 1) */
        .header {
            background: var(--white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-blue);
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        .main-nav {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .main-nav a {
            color: var(--dark-gray);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: all 0.2s;
        }

        .main-nav a:hover, .main-nav a.active {
            background: var(--light-blue);
            color: var(--primary-blue);
        }

        .search-container {
            flex: 1;
            max-width: 400px;
            margin: 0 2rem;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 0.75rem 1rem 0.75rem 2.5rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            font-size: 0.95rem;
            background: var(--light-gray);
            transition: all 0.2s;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--secondary-blue);
            background: white;
            box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
        }

        .search-icon {
            position: absolute;
            left: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--medium-gray);
        }

        .user-menu {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .notification-bell {
            position: relative;
            padding: 0.5rem;
            color: var(--medium-gray);
            cursor: pointer;
            border-radius: var(--radius);
            transition: all 0.2s;
        }

        .notification-bell:hover {
            background: var(--light-gray);
            color: var(--primary-blue);
        }

        .notification-badge {
            position: absolute;
            top: 0.25rem;
            right: 0.25rem;
            background: var(--accent-orange);
            color: white;
            font-size: 0.7rem;
            padding: 0.15rem 0.4rem;
            border-radius: 10px;
            min-width: 18px;
            text-align: center;
        }

        .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--success-green), #059669);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }

        /* Page Container */
        .page-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
            min-height: calc(100vh - 70px);
        }

        /* Breadcrumb */
        .breadcrumb {
            margin-bottom: 2rem;
            color: var(--medium-gray);
            font-size: 0.9rem;
        }

        .breadcrumb a {
            color: var(--secondary-blue);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        /* Page Header */
        .page-header {
            background: var(--white);
            padding: 2rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            margin-bottom: 2rem;
        }

        .page-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
        }

        .page-subtitle {
            font-size: 1.1rem;
            color: var(--medium-gray);
            margin-bottom: 2rem;
        }

        /* Advanced Search Section */
        .advanced-search {
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            padding: 2rem;
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
        }

        .search-title {
            color: white;
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            text-align: center;
        }

        .search-subtitle {
            color: rgba(255, 255, 255, 0.9);
            text-align: center;
            margin-bottom: 2rem;
        }

        .smart-search-container {
            position: relative;
            margin-bottom: 1.5rem;
        }

        .smart-search-input {
            width: 100%;
            padding: 1rem 1.5rem 1rem 3rem;
            border: none;
            border-radius: var(--radius-lg);
            font-size: 1.1rem;
            background: white;
            box-shadow: var(--shadow-md);
        }

        .smart-search-input:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
        }

        .smart-search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--medium-gray);
            font-size: 1.2rem;
        }

        .search-suggestions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .search-suggestion {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all 0.2s;
            text-align: center;
            font-size: 0.9rem;
        }

        .search-suggestion:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-1px);
        }

        .ai-search-hint {
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-top: 1rem;
            font-style: italic;
        }

        /* Live Search Results */
        .live-results {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            max-height: 400px;
            overflow-y: auto;
            z-index: 1000;
            display: none;
        }

        .live-results.show {
            display: block;
        }

        .live-result-item {
            padding: 1rem;
            border-bottom: 1px solid var(--border-color);
            cursor: pointer;
            transition: all 0.2s;
        }

        .live-result-item:hover {
            background: var(--light-gray);
        }

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

        .live-result-title {
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.25rem;
        }

        .live-result-specs {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .live-result-ai {
            background: var(--light-blue);
            color: var(--primary-blue);
            font-size: 0.8rem;
            padding: 0.25rem 0.5rem;
            border-radius: 12px;
            display: inline-block;
            margin-top: 0.5rem;
        }

        /* Filters Section */
        .filters-section {
            background: var(--white);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            margin-bottom: 2rem;
        }

        .filters-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark-gray);
        }

        .filters-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .filter-label {
            font-weight: 500;
            color: var(--dark-gray);
            font-size: 0.9rem;
        }

        .filter-select {
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            background: white;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--secondary-blue);
        }

        .price-range-container {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .price-input {
            flex: 1;
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
        }

        .filter-checkboxes {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .checkbox-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }

        .checkbox-item input[type="checkbox"] {
            width: 16px;
            height: 16px;
        }

        /* Results Section */
        .results-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .results-header {
            padding: 1.5rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .results-count {
            font-weight: 600;
            color: var(--dark-gray);
        }

        .results-count .ai-badge {
            background: var(--light-blue);
            color: var(--primary-blue);
            padding: 0.25rem 0.5rem;
            border-radius: 12px;
            font-size: 0.8rem;
            margin-left: 0.5rem;
        }

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

        .sort-select {
            padding: 0.5rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            background: white;
        }

        .view-toggle {
            display: flex;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
        }

        .view-toggle button {
            padding: 0.5rem 1rem;
            background: white;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
        }

        .view-toggle button.active {
            background: var(--primary-blue);
            color: white;
        }

        .view-toggle button:hover:not(.active) {
            background: var(--light-gray);
        }

        /* Results Content Layout */
        .results-content {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 0;
        }

        /* Product Grid */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            padding: 1.5rem;
        }

        .product-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
            background: white;
        }

        .product-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary-blue);
        }

        .product-image {
            height: 180px;
            background: var(--light-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--medium-gray);
            position: relative;
        }

        .product-badge {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: var(--success-green);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius);
            font-size: 0.8rem;
            font-weight: 500;
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .product-brand {
            color: var(--secondary-blue);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 1rem;
        }

        .product-specs {
            display: grid;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .spec-item {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
        }

        .spec-label {
            color: var(--medium-gray);
        }

        .spec-value {
            font-weight: 500;
            color: var(--dark-gray);
        }

        .product-price {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark-gray);
            margin-bottom: 1rem;
        }

        .product-price .currency {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .product-actions {
            display: flex;
            gap: 0.5rem;
        }

        .btn {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 500;
            transition: all 0.2s;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: var(--primary-blue);
            color: white;
        }

        .btn-primary:hover {
            background: #1e3a8a;
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: var(--light-gray);
            color: var(--dark-gray);
            border: 1px solid var(--border-color);
        }

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

        .btn-icon {
            background: none;
            color: var(--medium-gray);
            padding: 0.5rem;
            border: 1px solid var(--border-color);
        }

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

        /* AI Insights Panel - Right Sidebar */
        .ai-insights {
            background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
            border-left: 1px solid var(--light-blue);
            padding: 1.5rem;
            height: fit-content;
            position: sticky;
            top: 90px;
        }

        .ai-insights-title {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .ai-insights-content {
            display: grid;
            gap: 1rem;
        }

        .ai-insight-item {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--secondary-blue);
            box-shadow: var(--shadow-sm);
        }

        .ai-insight-title {
            font-weight: 500;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            line-height: 1.3;
        }

        .ai-insight-desc {
            font-size: 0.8rem;
            color: var(--medium-gray);
            line-height: 1.4;
        }

        /* Comparison Bar */
        .comparison-bar {
            position: sticky;
            bottom: 0;
            background: var(--white);
            border-top: 1px solid var(--border-color);
            padding: 1rem;
            box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .comparison-bar.show {
            transform: translateY(0);
        }

        .comparison-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .comparison-items {
            display: flex;
            gap: 1rem;
            flex: 1;
        }

        .comparison-item {
            background: var(--light-gray);
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }

        .comparison-remove {
            background: none;
            border: none;
            color: var(--medium-gray);
            cursor: pointer;
            padding: 0.25rem;
            border-radius: 50%;
        }

        .comparison-remove:hover {
            background: var(--border-color);
            color: var(--error-red);
        }

        .comparison-actions {
            display: flex;
            gap: 0.5rem;
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .page-container {
                padding: 1rem;
            }

            .advanced-search {
                padding: 1.5rem;
            }

            .search-suggestions {
                grid-template-columns: 1fr;
            }

            .filters-grid {
                grid-template-columns: 1fr;
            }

            .results-content {
                grid-template-columns: 1fr;
            }

            .products-grid {
                grid-template-columns: 1fr;
                padding: 1rem;
            }

            .ai-insights {
                position: static;
                border-left: none;
                border-top: 1px solid var(--light-blue);
                margin-top: 0;
            }

            .results-header {
                flex-direction: column;
                align-items: stretch;
            }

            .comparison-content {
                flex-direction: column;
                align-items: stretch;
            }

            .comparison-items {
                flex-direction: column;
            }
        }

        /* Loading States */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .loading-overlay.show {
            opacity: 1;
            pointer-events: all;
        }

        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 4px solid var(--light-gray);
            border-top: 4px solid var(--primary-blue);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: loading 1.5s infinite;
        }

        @keyframes loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        /* Product Detail View */
        .product-detail-view {
            display: none;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            margin-bottom: 2rem;
        }

        .product-detail-view.show {
            display: block;
        }

        .product-detail-header {
            padding: 2rem;
            border-bottom: 1px solid var(--border-color);
            display: grid;
            grid-template-columns: 200px 1fr auto;
            gap: 2rem;
            align-items: start;
        }

        .product-detail-image {
            width: 200px;
            height: 200px;
            background: var(--light-gray);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--medium-gray);
            position: relative;
        }

        .product-detail-info h1 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .product-detail-brand {
            color: var(--secondary-blue);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .product-detail-description {
            color: var(--medium-gray);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .product-detail-features {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }

        .feature-tag {
            background: var(--light-blue);
            color: var(--primary-blue);
            padding: 0.25rem 0.75rem;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .product-detail-actions {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            align-items: end;
        }

        .product-detail-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark-gray);
            text-align: right;
        }

        .product-detail-price .currency {
            font-size: 1rem;
            color: var(--medium-gray);
            display: block;
        }

        .product-detail-buttons {
            display: flex;
            gap: 0.5rem;
        }

        .back-button {
            background: var(--light-gray);
            color: var(--dark-gray);
            padding: 0.5rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            cursor: pointer;
            transition: all 0.2s;
            font-weight: 500;
        }

        .back-button:hover {
            background: var(--border-color);
        }

        /* Product Detail Tabs */
        .product-detail-content {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 0;
        }

        .product-detail-main {
            padding: 0;
        }

        .product-tabs {
            border-bottom: 1px solid var(--border-color);
            display: flex;
            overflow-x: auto;
        }

        .tab-button {
            padding: 1rem 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            font-weight: 500;
            color: var(--medium-gray);
            border-bottom: 3px solid transparent;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .tab-button.active {
            color: var(--primary-blue);
            border-bottom-color: var(--primary-blue);
        }

        .tab-button:hover:not(.active) {
            color: var(--dark-gray);
            background: var(--light-gray);
        }

        .tab-content {
            padding: 2rem;
            display: none;
        }

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

        /* Specifications Table */
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 2rem;
        }

        .specs-table th,
        .specs-table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .specs-table th {
            background: var(--light-gray);
            font-weight: 600;
            color: var(--dark-gray);
        }

        .specs-table tr:nth-child(even) {
            background: var(--light-gray);
        }

        /* Documentation List */
        .documentation-list {
            display: grid;
            gap: 1rem;
        }

        .doc-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            cursor: pointer;
            transition: all 0.2s;
        }

        .doc-item:hover {
            background: var(--light-gray);
            border-color: var(--secondary-blue);
        }

        .doc-icon {
            font-size: 1.5rem;
            width: 40px;
            text-align: center;
        }

        .doc-info {
            flex: 1;
        }

        .doc-name {
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.25rem;
        }

        .doc-meta {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .doc-download {
            background: var(--secondary-blue);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
        }

        /* Videos Section */
        .videos-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }

        .video-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            cursor: pointer;
            transition: all 0.2s;
        }

        .video-item:hover {
            border-color: var(--secondary-blue);
            transform: translateY(-2px);
        }

        .video-thumbnail {
            height: 140px;
            background: var(--light-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--medium-gray);
            position: relative;
        }

        .play-button {
            position: absolute;
            width: 50px;
            height: 50px;
            background: rgba(30, 64, 175, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }

        .video-info {
            padding: 1rem;
        }

        .video-title {
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
        }

        .video-duration {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        /* Reviews Section */
        .reviews-list {
            display: grid;
            gap: 1rem;
        }

        .review-item {
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: start;
            margin-bottom: 1rem;
        }

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

        .review-avatar {
            width: 40px;
            height: 40px;
            background: var(--success-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
        }

        .review-author-info h4 {
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.25rem;
        }

        .review-role {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .review-rating {
            display: flex;
            gap: 0.25rem;
        }

        .review-star {
            color: var(--accent-orange);
        }

        .review-text {
            color: var(--dark-gray);
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }

        .review-date {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .verified-badge {
            background: var(--success-green);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Product Detail AI Insights */
        .product-detail-ai {
            background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
            border-left: 1px solid var(--light-blue);
            padding: 1.5rem;
            height: fit-content;
            position: sticky;
            top: 90px;
        }

        .product-ai-title {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .ai-section {
            margin-bottom: 1.5rem;
        }

        .ai-section h4 {
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.75rem;
            font-size: 0.9rem;
        }

        .ai-alternatives,
        .ai-compatible,
        .ai-use-cases {
            display: grid;
            gap: 0.5rem;
        }

        .ai-item {
            background: white;
            padding: 0.75rem;
            border-radius: var(--radius);
            border-left: 3px solid var(--secondary-blue);
            font-size: 0.9rem;
            color: var(--dark-gray);
        }

        /* Mobile Responsive for Product Detail */
        @media (max-width: 768px) {
            .product-detail-header {
                grid-template-columns: 1fr;
                gap: 1rem;
                text-align: center;
            }

            .product-detail-image {
                width: 150px;
                height: 150px;
                margin: 0 auto;
            }

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

            .product-detail-ai {
                position: static;
                border-left: none;
                border-top: 1px solid var(--light-blue);
            }

            .product-tabs {
                justify-content: center;
            }

            .tab-button {
                padding: 0.75rem 1rem;
                font-size: 0.9rem;
            }
        }