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

        :root {
            --primary-blue: #2563eb;
            --dark-blue: #1e40af;
            --light-blue: #dbeafe;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-600: #4b5563;
            --gray-800: #1f2937;
            --white: #ffffff;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--gray-800);
            background-color: var(--gray-100);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .slogan {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-top: 0.2rem;
        }

        .header-actions {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

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

        .btn {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }

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

        .btn-secondary {
            background: transparent;
            color: white;
            border: 1px solid white;
        }

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

        .btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }

        .cart-btn {
            position: relative;
            background: rgba(255,255,255,0.1);
            color: white;
            border: 1px solid rgba(255,255,255,0.3);
        }

        .cart-count {
            position: absolute;
            top: -8px;
            right: -8px;
            background: var(--danger);
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Navigation */
        nav {
            background: white;
            padding: 1rem 0;
            border-bottom: 1px solid var(--gray-200);
        }

        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .search-bar {
            flex: 1;
            max-width: 400px;
            position: relative;
        }

        .search-bar input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid var(--gray-200);
            border-radius: 25px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s ease;
        }

        .search-bar input:focus {
            border-color: var(--primary-blue);
        }

        .categories {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .category-btn {
            padding: 0.5rem 1rem;
            background: var(--gray-100);
            color: var(--gray-600);
            border: none;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .category-btn:hover, .category-btn.active {
            background: var(--primary-blue);
            color: white;
        }

        /* Main Content */
        main {
            padding: 2rem 0;
        }

        .hero {
            background: linear-gradient(135deg, var(--light-blue), white);
            padding: 3rem 0;
            text-align: center;
            margin-bottom: 3rem;
            border-radius: 15px;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--dark-blue);
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--gray-600);
            margin-bottom: 2rem;
        }

        /* Products Grid */
        .products-section {
            margin-bottom: 3rem;
        }

        .section-title {
            font-size: 2rem;
            margin-bottom: 2rem;
            color: var(--gray-800);
            text-align: center;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .product-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        .product-image {
            width: 100%;
            height: 200px;
            background: var(--gray-200);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--gray-600);
            position: relative;
            overflow: hidden;
        }

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

        .product-video-indicator {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0,0,0,0.7);
            color: white;
            padding: 0.3rem;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--gray-800);
        }

        .product-price {
            font-size: 1.4rem;
            font-weight: bold;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }

        .product-description {
            color: var(--gray-600);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            line-height: 1.4;
        }

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

        @media (max-width: 480px) {
            .product-actions {
                flex-direction: column;
            }
            
            .product-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-blue);
            border: 1px solid var(--primary-blue);
        }

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

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 2000;
            overflow-y: auto;
        }

        .modal-content {
            background: white;
            margin: 2rem auto;
            padding: 2rem;
            border-radius: 15px;
            max-width: 800px;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray-600);
        }

        .product-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .product-gallery {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .main-image {
            width: 100%;
            height: 300px;
            background: var(--gray-200);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--gray-600);
        }

        .main-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 10px;
        }

        .thumbnails {
            display: flex;
            gap: 0.5rem;
            overflow-x: auto;
        }

        .thumbnail {
            width: 60px;
            height: 60px;
            background: var(--gray-200);
            border-radius: 6px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gray-600);
            flex-shrink: 0;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .thumbnail:hover {
            border-color: var(--primary-blue);
            transform: scale(1.05);
        }

        .thumbnail.active {
            border: 2px solid var(--primary-blue);
            background: var(--light-blue);
        }

        .thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 4px;
        }

        .product-details-info {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .specs-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
        }

        .specs-table th,
        .specs-table td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid var(--gray-200);
        }

        .specs-table th {
            background: var(--gray-100);
            font-weight: 600;
        }

        /* Cart */
        .cart-sidebar {
            position: fixed;
            top: 0;
            right: -400px;
            width: 400px;
            height: 100vh;
            background: white;
            box-shadow: -2px 0 10px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            z-index: 3000;
            overflow-y: auto;
        }

        .cart-sidebar.open {
            right: 0;
        }

        .cart-header {
            padding: 2rem;
            border-bottom: 1px solid var(--gray-200);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .cart-items {
            padding: 1rem;
        }

        .cart-item {
            display: flex;
            gap: 1rem;
            padding: 1rem;
            border-bottom: 1px solid var(--gray-200);
        }

        .cart-item-image {
            width: 60px;
            height: 60px;
            background: var(--gray-200);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray-600);
        }

        .cart-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 6px;
        }

        .cart-item-info {
            flex: 1;
        }

        .cart-item-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .cart-item-price {
            color: var(--primary-blue);
            font-weight: bold;
        }

        .quantity-controls {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }

        .qty-btn {
            background: var(--gray-200);
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 4px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cart-total {
            padding: 2rem;
            border-top: 2px solid var(--gray-200);
            background: var(--gray-100);
        }

        .total-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
        }

        .total-final {
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--primary-blue);
            border-top: 1px solid var(--gray-200);
            padding-top: 0.5rem;
        }

        /* Forms */
        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--gray-800);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--gray-200);
            border-radius: 6px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary-blue);
        }

        /* User Dashboard */
        .dashboard {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .order-card {
            background: white;
            border: 1px solid var(--gray-200);
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 1rem;
        }

        .order-status {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
        }

        .status-pending { background: var(--warning); color: white; }
        .status-paid { background: var(--success); color: white; }
        .status-review { background: var(--primary-blue); color: white; }
        .status-packing { background: var(--success); color: white; }
        .status-shipped { background: var(--gray-600); color: white; }
        .status-delivered { background: var(--success); color: white; }
        .status-returned { background: var(--danger); color: white; }
        .status-cancelled { background: var(--danger); color: white; }

        .order-timeline {
            margin-top: 1rem;
            padding-left: 1rem;
            border-left: 3px solid var(--gray-200);
        }

        .timeline-item {
            margin-bottom: 1rem;
            padding-left: 1rem;
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--gray-300);
        }

        .timeline-item.completed::before {
            background: var(--success);
        }

        .timeline-item.current::before {
            background: var(--primary-blue);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.5; }
            100% { opacity: 1; }
        }

        /* Loading spinner */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .product-detail {
                grid-template-columns: 1fr;
            }
            
            .cart-sidebar {
                width: 100%;
                right: -100%;
            }
            
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            .nav-content {
                flex-direction: column;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
        }

        .hidden { display: none; }
        .text-center { text-align: center; }
        .text-right { text-align: right; }
        .mb-2 { margin-bottom: 1rem; }
        .mt-2 { margin-top: 1rem; }
        .p-2 { padding: 1rem; }

        /* Alerts */
        .alert {
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 6px;
            border-left: 4px solid;
        }

        .alert-success {
            background: #d1fae5;
            border-color: var(--success);
            color: #065f46;
        }

        .alert-error {
            background: #fee2e2;
            border-color: var(--danger);
            color: #991b1b;
        }

        .alert-warning {
            background: #fef3c7;
            border-color: var(--warning);
            color: #92400e;
        }

/* // Boton administradores:*/
.btn-warning {
    background-color: #f59e0b;
    color: white;
    border: 2px solid #f59e0b;
}

.btn-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    transform: translateY(-1px);
}

.admin-btn {
    margin-right: 0.5rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
    transition: all 0.2s ease;
}

.admin-btn:hover {
    box-shadow: 0 4px 8px rgba(245, 158, 11, 0.4);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.user-menu span {
    margin-right: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

/* FIN BOTON */