:root {
            --primary-dark: #1a2332;
            --primary-medium: #2d3e50;
            --accent-warm: #d4a574;
            --accent-terracotta: #c85c3e;
            --neutral-light: #f7f5f2;
            --neutral-mid: #e8e5e0;
            --white: #ffffff;
            --shadow-subtle: 0 2px 12px rgba(26, 35, 50, 0.08);
            --shadow-hover: 0 8px 24px rgba(26, 35, 50, 0.15);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            background: linear-gradient(135deg, var(--neutral-light) 0%, var(--neutral-mid) 100%);
            color: var(--primary-dark);
            line-height: 1.6;
            min-height: 100vh;
        }

        .header {
            background: var(--primary-dark);
            color: var(--white);
            padding: 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
            animation: slideDown 0.6s ease-out;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .header-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Crimson Pro', serif;
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--accent-warm), var(--accent-terracotta));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cart-info {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            color: var(--neutral-light);
        }

        .cart-count {
            background: var(--accent-terracotta);
            color: var(--white);
            padding: 0.25rem 0.65rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .shop-container {
            max-width: 1400px;
            margin: 3rem auto;
            padding: 0 2rem;
            animation: fadeIn 0.8s ease-out 0.2s both;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .page-title {
            font-family: 'Crimson Pro', serif;
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
            letter-spacing: -1px;
        }

        .page-subtitle {
            font-size: 1.1rem;
            color: var(--primary-medium);
            margin-bottom: 2.5rem;
            font-weight: 400;
        }

        .shop-main-content {
            display: grid;
            gap: 3rem;
            grid-template-columns: 1fr;
        }

        @media (min-width: 1024px) {
            .shop-main-content {
                grid-template-columns: 280px 1fr;
            }
        }

        .shop-filter-sidebar {
            background: var(--white);
            padding: 2rem;
            border-radius: 16px;
            box-shadow: var(--shadow-subtle);
            height: fit-content;
            position: sticky;
            top: 120px;
            animation: slideInLeft 0.6s ease-out 0.3s both;
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @media (max-width: 1023px) {
            .shop-filter-sidebar {
                position: relative;
                top: 0;
            }
        }

        .filter-header {
            font-family: 'Crimson Pro', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--accent-warm);
        }

        .filter-section {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--neutral-mid);
        }

        .filter-section:last-child {
            border-bottom: none;
        }

        .filter-title {
            font-weight: 700;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--primary-medium);
            margin-bottom: 1rem;
        }

        .checkbox-group {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .checkbox-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            transition: var(--transition);
            padding: 0.25rem 0;
        }

        .checkbox-item:hover {
            color: var(--accent-terracotta);
            transform: translateX(4px);
        }

        .checkbox-item input[type="checkbox"] {
            width: 18px;
            height: 18px;
            cursor: pointer;
            accent-color: var(--accent-terracotta);
        }

        .checkbox-item label {
            cursor: pointer;
            font-size: 0.95rem;
        }

        .price-inputs {
            display: flex;
            gap: 1rem;
            margin-top: 0.75rem;
        }

        .price-input {
            flex: 1;
        }

        .price-input input {
            width: 100%;
            padding: 0.65rem;
            border: 2px solid var(--neutral-mid);
            border-radius: 8px;
            font-size: 0.9rem;
            font-family: 'DM Sans', sans-serif;
            transition: var(--transition);
        }

        .price-input input:focus {
            outline: none;
            border-color: var(--accent-warm);
        }

        .clear-filters {
            width: 100%;
            padding: 0.75rem;
            background: var(--primary-dark);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 1.5rem;
            font-family: 'DM Sans', sans-serif;
            font-size: 0.95rem;
        }

        .clear-filters:hover {
            background: var(--accent-terracotta);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .product-section {
            animation: slideInRight 0.6s ease-out 0.4s both;
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .results-count {
            font-size: 1.1rem;
            color: var(--primary-medium);
        }

        .sort-select {
            padding: 0.65rem 1rem;
            border: 2px solid var(--neutral-mid);
            border-radius: 8px;
            font-family: 'DM Sans', sans-serif;
            font-size: 0.95rem;
            background: var(--white);
            cursor: pointer;
            transition: var(--transition);
        }

        .sort-select:focus {
            outline: none;
            border-color: var(--accent-warm);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .product-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            animation: scaleIn 0.5s ease-out both;
        }

        .product-card:nth-child(1) { animation-delay: 0.1s; }
        .product-card:nth-child(2) { animation-delay: 0.15s; }
        .product-card:nth-child(3) { animation-delay: 0.2s; }
        .product-card:nth-child(4) { animation-delay: 0.25s; }
        .product-card:nth-child(5) { animation-delay: 0.3s; }
        .product-card:nth-child(6) { animation-delay: 0.35s; }

        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .product-image-wrapper {
            position: relative;
            width: 100%;
            height: 280px;
            background: linear-gradient(135deg, var(--neutral-light), var(--neutral-mid));
            overflow: hidden;
        }

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

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

        .product-condition {
            position: absolute;
            top: 1rem;
            left: 1rem;
            padding: 0.4rem 0.9rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .condition-new {
            background: rgba(40, 167, 69, 0.95);
            color: var(--white);
        }

        .condition-refurbished {
            background: rgba(212, 165, 116, 0.95);
            color: var(--primary-dark);
        }

        .condition-used {
            background: rgba(108, 117, 125, 0.95);
            color: var(--white);
        }

        .product-details {
            padding: 1.5rem;
        }

        .product-category {
            font-size: 0.8rem;
            color: var(--accent-terracotta);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .product-name {
            font-family: 'Crimson Pro', serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .product-brand {
            font-size: 0.9rem;
            color: var(--primary-medium);
            margin-bottom: 1rem;
        }

        .product-price {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-terracotta);
            margin-bottom: 1rem;
            font-family: 'Crimson Pro', serif;
        }

        .add-to-cart-btn {
            width: 100%;
            padding: 0.85rem;
            background: var(--primary-dark);
            color: var(--white);
            border: none;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            font-family: 'DM Sans', sans-serif;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .add-to-cart-btn:hover {
            background: var(--accent-terracotta);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(200, 92, 62, 0.3);
        }

        .add-to-cart-btn:active {
            transform: translateY(0);
        }

        .pagination-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 1rem;
            margin-top: 3rem;
            padding: 2rem 0;
        }

        .pagination-btn,
        .page-number {
            padding: 0.75rem 1.25rem;
            background: var(--white);
            border: 2px solid var(--neutral-mid);
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            font-family: 'DM Sans', sans-serif;
            color: var(--primary-dark);
        }

        .pagination-btn:hover:not(:disabled),
        .page-number:hover {
            background: var(--primary-dark);
            color: var(--white);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .pagination-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }

        .page-number.active {
            background: var(--accent-terracotta);
            color: var(--white);
            border-color: var(--accent-terracotta);
        }

        .no-results {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow-subtle);
        }

        .no-results-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
        }

        .no-results h3 {
            font-family: 'Crimson Pro', serif;
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .no-results p {
            color: var(--primary-medium);
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .page-title {
                font-size: 2rem;
            }

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

            .shop-main-content {
                gap: 2rem;
            }
        }