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

        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --secondary: #ec4899;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --success: #10b981;
            --danger: #ef4444;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: var(--dark);
            overflow-x: hidden;
        }

        /* Header */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow);
            z-index: 1000;
            transition: transform 0.3s ease;
            background-image: url('https://upload.wikimedia.org/wikipedia/commons/thumb/8/85/EBU_Colorbars.svg/960px-EBU_Colorbars.svg.png');
        }

        .header.hidden {
            transform: translateY(-100%);
        }

        .header-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .nav {
            display: flex;
            gap: 2rem;
            position: relative;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            transition: all 0.3s;
            cursor: pointer;
        }

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

        .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            box-shadow: var(--shadow-lg);
            border-radius: 0.5rem;
            min-width: 200px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s;
            z-index: 1001;
        }

        .nav-item:hover .submenu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .submenu-link {
            display: block;
            padding: 0.75rem 1.5rem;
            color: var(--dark);
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
        }

        .submenu-link:hover {
            background: var(--primary);
            color: white;
        }

        .cart-icon {
            position: relative;
            cursor: pointer;
            padding: 0.5rem;
        }

        .cart-count {
            position: absolute;
            top: -5px;
            right: -5px;
            background: var(--secondary);
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-menu-btn span {
            width: 25px;
            height: 3px;
            background: var(--dark);
            border-radius: 2px;
            transition: all 0.3s;
        }

        /* Main Content */
        .main-content {
            padding-top: 100px;
            padding-bottom: 100px;
            min-height: 100vh;
        }

        .hero {
            text-align: center;
            padding: 4rem 2rem;
            color: white;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
        }

        /* Products Slider */
        .products-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
        }

        .section-title {
            color: white;
            font-size: 2rem;
            margin-bottom: 2rem;
            text-align: center;
        }

        .slider-container {
            position: relative;
            overflow: hidden;
            padding: 2rem 0;
        }

        .slider-wrapper {
            display: flex;
            gap: 2rem;
            transition: transform 0.5s ease;
        }

        .product-card {
            background: white;
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            min-width: 320px;
            max-width: 320px;
            transition: transform 0.3s;
        }

        .product-card:hover {
            transform: translateY(-10px);
        }

        .product-images {
            position: relative;
            height: 250px;
            overflow: hidden;
        }

        .product-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: none;
        }

        .product-image.active {
            display: block;
        }

        .image-nav {
            position: absolute;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 8px;
        }

        .image-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all 0.3s;
        }

        .image-dot.active {
            background: white;
            transform: scale(1.2);
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .product-price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
        }

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

        .btn {
            flex: 1;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 0.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
        }

        .btn-secondary {
            background: var(--light);
            color: var(--dark);
            border: 2px solid var(--gray);
        }

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

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

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

        /* Slider Controls */
        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: white;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
        }

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

        .slider-prev {
            left: 10px;
        }

        .slider-next {
            right: 10px;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.7);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: white;
            border-radius: 1rem;
            max-width: 900px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: var(--gray);
            z-index: 10;
        }

        .modal-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            padding: 2rem;
        }

        .modal-images {
            position: relative;
        }

        .modal-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 0.5rem;
            display: none;
        }

        .modal-image.active {
            display: block;
        }

        .modal-details h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .modal-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }

        .modal-description {
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 2rem;
        }

        .modal-specs {
            margin-bottom: 2rem;
        }

        .modal-specs h3 {
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .spec-item {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--light);
        }

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

        .spec-value {
            font-weight: 600;
            color: var(--dark);
        }

        /* Admin Panel */
        .admin-panel {
            display: none;
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
        }

        .admin-panel.active {
            display: block;
        }

        .admin-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            background: white;
            padding: 1.5rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-lg);
        }

        .admin-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
        }

        .admin-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }

        .admin-card {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            box-shadow: var(--shadow-lg);
        }

        .admin-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0.5rem;
            margin-bottom: 1rem;
        }

        .admin-actions {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
        }

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

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

        .form-input,
        .form-textarea,
        .form-select {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--light);
            border-radius: 0.5rem;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-input:focus,
        .form-textarea:focus,
        .form-select:focus {
            outline: none;
            border-color: var(--primary);
        }

        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }

        .image-upload {
            border: 2px dashed var(--gray);
            padding: 2rem;
            text-align: center;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .image-upload:hover {
            border-color: var(--primary);
            background: var(--light);
        }

        .image-preview {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .image-preview-item {
            position: relative;
            width: 100px;
            height: 100px;
        }

        .image-preview-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0.5rem;
        }

        .image-remove {
            position: absolute;
            top: -5px;
            right: -5px;
            background: var(--danger);
            color: white;
            border: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 0.8rem;
        }

        /* Footer */
        .footer {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: transform 0.3s ease;
            background-image: url('https://upload.wikimedia.org/wikipedia/commons/thumb/8/85/EBU_Colorbars.svg/960px-EBU_Colorbars.svg.png');
        }

        .footer.hidden {
            transform: translateY(100%);
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1.5rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .footer-text {
            color: var(--gray);
        }

        .footer-links {
            display: flex;
            gap: 2rem;
        }

        .footer-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }

        .footer-link:hover {
            color: var(--primary);
        }

        /* Cart Modal */
        .cart-items {
            max-height: 400px;
            overflow-y: auto;
        }

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

        .cart-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 0.5rem;
        }

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

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

        .cart-item-price {
            color: var(--primary);
            font-weight: 700;
        }

        .cart-total {
            padding: 1.5rem;
            background: var(--light);
            border-radius: 0.5rem;
            margin-top: 1rem;
        }

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

        .cart-total-final {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            border-top: 2px solid var(--gray);
            padding-top: 0.5rem;
            margin-top: 0.5rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow-lg);
            }

            .nav.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .modal-body {
                grid-template-columns: 1fr;
            }

            .footer-content {
                flex-direction: column;
                gap: 1rem;
            }

            .slider-btn {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }

            .product-card {
                min-width: 280px;
                max-width: 280px;
            }
        }

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

        .product-card {
            animation: fadeIn 0.5s ease;
        }

        /* Toast Notification */
        .toast {
            position: fixed;
            bottom: 100px;
            right: 20px;
            background: var(--success);
            color: white;
            padding: 1rem 2rem;
            border-radius: 0.5rem;
            box-shadow: var(--shadow-lg);
            transform: translateX(400px);
            transition: transform 0.3s ease;
            z-index: 3000;
        }

        .toast.active {
            transform: translateX(0);
        }

        /*???
.btn3 {
  padding: 10px 20px;
  font-size: 16px;
  color: #fff;
  background-color: #007bff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.btn3:hover {
  background-color: #0056b3;
}


/*???*/

/* Form */
/* Основная форма */