:root {
    --primary: #0052cc;
    --primary-dark: #003d99;
    --primary-light: #e6f0ff;
    --success: #10b981;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f0f4f8;
    color: var(--gray-800);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes bounceIn {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); }
}

.app-container {
    max-width: 1440px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.app-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.app-header::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-logo {
    max-height: 48px;
    width: auto;
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text i {
    font-size: 1.8rem;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-contacts {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.header-contacts a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-contacts a:hover {
    color: white;
}

.tagline {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 10px;
    position: relative;
    z-index: 1;
}

.stats {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 16px;
    position: relative;
    z-index: 1;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
}

.stat-item span {
    font-size: 1.2rem;
    font-weight: 700;
}

.stat-item label {
    opacity: 0.8;
    font-size: 0.75rem;
}

.stat-divider {
    width: 1px;
    height: 28px;
    background: rgba(255,255,255,0.15);
}

.discount-info {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.12);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    position: relative;
    z-index: 1;
}

.discount-info i {
    color: #fcd34d;
}

.search-bar {
    padding: 16px 24px;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 12px 48px 12px 44px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--gray-50);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(0,82,204,0.08);
}

.clear-search {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.clear-search:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

.search-results-info {
    text-align: center;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.category-layout {
    display: flex;
    gap: 24px;
    padding: 24px 24px 32px 24px;
    background: white;
    flex: 1;
}

.category-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 160px);
    display: flex;
    flex-direction: column;
}

.category-sidebar-header {
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--gray-50);
    flex-shrink: 0;
}

.category-sidebar-header i {
    color: var(--primary);
}

.category-list {
    padding: 6px;
    overflow-y: auto;
    flex: 1;
}

.category-list::-webkit-scrollbar {
    width: 4px;
}

.category-list::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all 0.2s ease;
    text-align: left;
    font-family: inherit;
    line-height: 1.4;
}

.category-btn:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

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

.category-btn i {
    width: 20px;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.category-btn.active i {
    color: white;
}

.category-btn .badge-count {
    margin-left: auto;
    background: var(--danger);
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    min-width: 32px;
    text-align: center;
    flex-shrink: 0;
}

.category-btn.active .badge-count {
    background: rgba(255,255,255,0.25);
    color: white;
}

.category-btn:hover .badge-count {
    background: var(--danger-dark);
    transform: scale(1.05);
}

.category-btn.active:hover .badge-count {
    background: rgba(255,255,255,0.35);
}

.category-mobile-toggle {
    display: none;
    width: 100%;
    padding: 12px 16px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    align-items: center;
    gap: 12px;
    transition: all 0.2s ease;
}

.category-mobile-toggle:hover {
    background: var(--gray-50);
}

.category-mobile-toggle i {
    color: var(--primary);
}

.category-mobile-toggle .toggle-arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.category-mobile-toggle.open .toggle-arrow {
    transform: rotate(180deg);
}

.category-content {
    flex: 1;
    min-width: 0;
}

.tab-content {
    display: none;
    animation: fadeInUp 0.3s ease;
}

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

.table-wrapper {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.price-table thead {
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
}

.price-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.price-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.price-table tbody tr:hover td {
    background: var(--gray-50);
}

.price-table tbody tr:last-child td {
    border-bottom: none;
}

.col-article {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.8rem;
}

.col-name {
    font-weight: 600;
    color: var(--gray-800);
}

.col-desc {
    color: var(--gray-500);
    font-size: 0.8rem;
    max-width: 300px;
}

.price-cell {
    font-weight: 700;
    color: var(--success);
    white-space: nowrap;
    font-size: 0.95rem;
}

.stock-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
}

.stock-zero-badge {
    background: #fee2e2;
    color: #991b1b;
}

.stock-low-badge {
    background: #fef3c7;
    color: #92400e;
}

.stock-ok-badge {
    background: #d1fae5;
    color: #065f46;
}

.quantity-control {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover:not(:disabled) {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.quantity-btn.minus:hover:not(:disabled) {
    background: var(--danger);
    border-color: var(--danger);
}

.quantity-btn.plus:hover:not(:disabled) {
    background: var(--success);
    border-color: var(--success);
}

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

.quantity-input {
    width: 50px;
    padding: 6px 2px;
    text-align: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    background: white;
    font-weight: 600;
}

.quantity-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,82,204,0.1);
}

.quantity-input.stock-error {
    border-color: var(--danger);
    background: #fef2f2;
}

.quantity-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-wrapper {
    padding: 16px 0;
}

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
}

.pagination-btn {
    padding: 8px 18px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.pagination-btn:hover:not(.disabled) {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

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

.pagination-info {
    font-size: 0.85rem;
    color: var(--gray-600);
    padding: 4px 16px;
    background: var(--gray-50);
    border-radius: 20px;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.no-results i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.global-stock-warning {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    border-radius: var(--radius-sm);
    margin: 12px 0;
    box-shadow: 0 4px 20px rgba(239,68,68,0.25);
    animation: fadeInUp 0.3s ease;
}

.global-stock-warning .warning-content {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    color: white;
}

.global-stock-warning .warning-text {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
}

.global-stock-warning .warning-close {
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    padding: 6px 12px;
    transition: var(--transition);
}

.global-stock-warning .warning-close:hover {
    background: rgba(255,255,255,0.3);
}

.cart-stock-warning {
    background: #fef3c7;
    border-left: 4px solid var(--warning);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: #92400e;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.cart-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 4px 20px rgba(0,82,204,0.35);
    transition: all 0.2s ease;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-fab:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 30px rgba(0,82,204,0.45);
}

.cart-fab .cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    min-width: 22px;
    height: 22px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    animation: bounceIn 0.4s ease;
}

.cart-fab .cart-total-badge {
    display: none;
}

.cart-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    max-width: 100vw;
    height: 100%;
    background: white;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 30px rgba(0,0,0,0.12);
    border-radius: var(--radius) 0 0 var(--radius);
}

.cart-panel.show {
    transform: translateX(0);
}

.cart-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.cart-panel-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-panel-header h2 i {
    color: var(--primary);
}

.cart-panel-header h2 #cartItemsCount {
    font-size: 0.8rem;
    color: var(--gray-400);
    font-weight: 400;
}

.cart-panel-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--gray-400);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.cart-panel-close:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

.cart-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

.cart-panel-body::-webkit-scrollbar {
    width: 4px;
}

.cart-panel-body::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

.cart-items {
    margin-bottom: 4px;
}

.cart-item {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.cart-item:hover {
    border-color: var(--gray-200);
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-article {
    font-size: 0.7rem;
    color: var(--primary);
    background: var(--primary-light);
    padding: 1px 8px;
    border-radius: 4px;
    display: inline-block;
}

.cart-item-stock {
    font-size: 0.7rem;
    color: var(--gray-500);
    margin-top: 2px;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.cart-item-qty {
    width: 44px;
    padding: 4px 2px;
    text-align: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.cart-item-qty:focus {
    outline: none;
    border-color: var(--primary);
}

.cart-item-qty.stock-error {
    border-color: var(--danger);
    background: #fef2f2;
}

.cart-item-price {
    text-align: right;
    min-width: 70px;
}

.cart-item-price .unit {
    font-size: 0.6rem;
    color: var(--gray-400);
    display: block;
}

.cart-item-price .total {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
}

.cart-item-delete {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.cart-item-delete:hover {
    color: var(--danger);
    background: #fef2f2;
}

.empty-cart {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-cart i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-cart p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

.empty-cart span {
    font-size: 0.85rem;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    margin: 12px 0 16px 0;
}

.cart-total .label {
    font-weight: 500;
    color: var(--gray-600);
}

.cart-total .amount {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.cart-order-form {
    border-top: 1px solid var(--gray-200);
    padding-top: 16px;
}

.cart-order-form h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-order-form .form-group {
    margin-bottom: 12px;
}

.cart-order-form .form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
    display: block;
    margin-bottom: 4px;
}

.cart-order-form .form-group label i {
    width: 18px;
    color: var(--primary);
}

.cart-order-form .form-group input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.cart-order-form .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,82,204,0.08);
}

.cart-order-form .form-group input.error {
    border-color: var(--danger);
    background: #fef2f2;
}

.cart-order-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.error-message {
    color: var(--danger);
    font-size: 0.7rem;
    margin-top: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

.required-star {
    color: var(--danger);
}

.cart-panel-footer {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
    flex-shrink: 0;
    background: white;
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    flex: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,82,204,0.3);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

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

.app-footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 20px 32px;
    flex-shrink: 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
}

.contact-info i {
    color: var(--primary);
}

.contact-info a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info a:hover {
    color: white;
}

.separator {
    color: var(--gray-600);
}

.copyright {
    font-size: 0.75rem;
}

.highlight {
    background: #fef3c7;
    color: #92400e;
    padding: 0 2px;
    border-radius: 2px;
}

/* ============================================================
   АДАПТИВ (ПЛАНШЕТЫ И ДЕСКТОП)
   ============================================================ */

@media (min-width: 1441px) {
    .app-container {
        max-width: 1600px;
    }
    .category-sidebar {
        width: 320px;
    }
    .price-table {
        font-size: 0.95rem;
    }
    .price-table th,
    .price-table td {
        padding: 16px 24px;
    }
    .cart-panel {
        width: 520px;
    }
}

@media (min-width: 1025px) and (max-width: 1440px) {
    .category-sidebar {
        width: 260px;
    }
    .cart-panel {
        width: 420px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .app-header {
        padding: 16px 20px;
    }
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-contacts {
        font-size: 0.8rem;
    }
    
    .category-sidebar {
        width: 220px;
        max-height: calc(100vh - 150px);
    }
    .category-btn {
        font-size: 0.8rem;
        padding: 8px 12px;
    }
    .category-btn .badge-count {
        display: none;
    }
    
    .category-content {
        padding: 0;
    }
    
    .price-table {
        font-size: 0.8rem;
    }
    .price-table th,
    .price-table td {
        padding: 10px 12px;
    }
    .col-desc {
        max-width: 150px;
    }
    .quantity-input {
        width: 40px;
        font-size: 0.8rem;
    }
    .quantity-btn {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
    }
    
    .cart-panel {
        width: 380px;
    }
    .cart-panel-body {
        padding: 16px;
    }
    .cart-item {
        padding: 10px 12px;
    }
    .cart-item-qty {
        width: 38px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .app-header {
        padding: 14px 16px;
    }
    .logo-text h1 {
        font-size: 1.2rem;
    }
    .logo-text i {
        font-size: 1.4rem;
    }
    .site-logo {
        max-height: 36px;
    }
    .header-contacts {
        font-size: 0.75rem;
        gap: 12px;
    }
    .header-contacts .separator {
        display: none;
    }
    
    .stats .stat-item {
        font-size: 0.75rem;
        padding: 4px 12px;
    }
    .stats .stat-item span {
        font-size: 1rem;
    }
    .stat-divider {
        display: none;
    }
    .discount-info {
        font-size: 0.7rem;
        padding: 4px 12px;
    }
    
    .search-bar {
        padding: 12px 16px;
    }
    .search-input {
        padding: 10px 40px 10px 38px;
        font-size: 0.85rem;
    }
    
    .category-layout {
        flex-direction: column;
        gap: 16px;
        padding: 16px 18px;
    }
    
    .category-mobile-toggle {
        display: flex;
    }
    
    .category-sidebar {
        display: none;
        width: 100%;
        max-height: 300px;
        position: static;
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-sm);
        margin-bottom: 4px;
    }
    .category-sidebar.open {
        display: flex;
    }
    
    .category-list {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        padding: 10px 12px;
    }
    .category-btn {
        width: auto;
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 0.8rem;
    }
    .category-btn .badge-count {
        display: none;
    }
    .category-btn i {
        font-size: 0.8rem;
        width: 18px;
    }
    
    .category-content {
        padding: 0;
    }
    
    .price-table {
        font-size: 0.75rem;
    }
    .price-table th,
    .price-table td {
        padding: 8px 10px;
    }
    .price-table thead th:not(:first-child):not(:nth-child(2)):not(:nth-child(3)) {
        display: none;
    }
    .price-table tbody td:not(:first-child):not(:nth-child(2)):not(:nth-child(3)) {
        display: none;
    }
    .price-table tbody td.col-desc {
        display: none !important;
    }
    .col-article {
        font-size: 0.7rem;
    }
    .col-name {
        font-size: 0.8rem;
    }
    .price-cell {
        font-size: 0.8rem;
    }
    .quantity-input {
        width: 36px;
        font-size: 0.75rem;
        padding: 4px 2px;
    }
    .quantity-btn {
        width: 26px;
        height: 26px;
        font-size: 0.8rem;
    }
    
    .pagination-container {
        gap: 10px;
        padding: 10px;
    }
    .pagination-btn {
        padding: 6px 14px;
        font-size: 0.75rem;
    }
    .pagination-btn span {
        display: none;
    }
    .pagination-info {
        font-size: 0.75rem;
        padding: 4px 12px;
    }
    
    .cart-panel {
        width: 100%;
        border-radius: 0;
    }
    .cart-panel-body {
        padding: 16px;
    }
    .cart-item {
        padding: 10px 12px;
        flex-wrap: wrap;
    }
    .cart-item-controls {
        width: 100%;
        justify-content: flex-end;
        margin-top: 6px;
    }
    .cart-item-price .unit {
        display: inline;
        font-size: 0.6rem;
    }
    .cart-item-price .total {
        font-size: 0.9rem;
    }
    .cart-item-qty {
        width: 38px;
    }
    
    .cart-order-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .cart-panel-footer {
        flex-direction: column;
        gap: 8px;
    }
    .cart-panel-footer .btn {
        padding: 10px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .contact-info {
        justify-content: center;
    }
}

/* ============================================================
   МОБИЛЬНАЯ ОПТИМИЗАЦИЯ (ТЕЛЕФОНЫ до 480px)
   ============================================================ */
@media (max-width: 480px) {
    /* Скрываем статистику */
    .stats {
        display: none !important;
    }
    
    /* Шапка */
    .app-header {
        padding: 4px 8px !important;
    }
    
    .header-content {
        gap: 2px !important;
        flex-wrap: wrap !important;
        align-items: center !important;
    }
    
    .logo-area {
        flex-shrink: 0 !important;
    }
    
    .logo-text h1 {
        font-size: 0.85rem !important;
    }
    
    .logo-text i {
        font-size: 0.85rem !important;
    }
    
    .site-logo {
        max-height: 24px !important;
    }
    
    /* ===== ПРАВАЯ ЧАСТЬ — ВСЁ В КОЛОНКУ ===== */
    .header-right {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-end !important;
        gap: 2px !important;
        flex-shrink: 0 !important;
    }
    
    /* ЛК — иконка без текста, СВЕРХУ */
    .cabinet-link {
        padding: 2px 6px !important;
        font-size: 0 !important;
        border-radius: 4px !important;
        min-height: 22px !important;
        min-width: 22px !important;
        justify-content: center !important;
        background: rgba(255,255,255,0.1) !important;
        border: 1px solid rgba(255,255,255,0.08) !important;
        order: -1 !important;
    }
    
    .cabinet-link i {
        font-size: 0.8rem !important;
        color: white !important;
    }
    
    .cabinet-link span {
        display: none !important;
    }
    
    /* Контакты — под ЛК, мелко */
    .header-contacts {
        display: flex !important;
        gap: 2px !important;
        flex-direction: row !important;
        justify-content: flex-end !important;
    }
    
    .header-contacts .contact-link {
        font-size: 0.45rem !important;
        padding: 1px 4px !important;
        background: rgba(255,255,255,0.06) !important;
        border-radius: 3px !important;
        min-width: auto !important;
        justify-content: center !important;
        gap: 2px !important;
    }
    
    .header-contacts .contact-link i {
        font-size: 0.55rem !important;
        color: rgba(255,255,255,0.7) !important;
    }
    
    .header-contacts .contact-link span {
        display: inline !important;
        font-size: 0.4rem !important;
        color: rgba(255,255,255,0.6) !important;
    }
    
    /* Теглайн скрыт */
    .tagline {
        display: none !important;
    }
    
    /* Скидки — компактно */
    .discount-info {
        display: inline-flex !important;
        font-size: 0.45rem !important;
        padding: 2px 6px !important;
        margin-top: 2px !important;
        background: rgba(255,255,255,0.06) !important;
        border-radius: 10px !important;
        max-width: 100% !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 2px !important;
    }
    
    .discount-info i {
        font-size: 0.45rem !important;
    }
    
    .discount-info span {
        font-size: 0.45rem !important;
    }
    
    /* Поиск */
    .search-bar {
        padding: 3px 8px !important;
    }
    
    .search-input {
        padding: 4px 28px 4px 26px !important;
        font-size: 0.65rem !important;
        min-height: 26px !important;
        border-radius: 4px !important;
        border-width: 1px !important;
    }
    
    .search-icon {
        left: 6px !important;
        font-size: 0.6rem !important;
    }
    
    .clear-search {
        right: 4px !important;
        font-size: 0.6rem !important;
        padding: 2px 4px !important;
    }
    
    /* ===== КНОПКА "КАТЕГОРИИ" ===== */
    .category-mobile-toggle {
        display: flex !important;
        padding: 4px 10px !important;
        font-size: 0.65rem !important;
        border-radius: 4px !important;
        gap: 6px !important;
        min-height: 28px !important;
        border-width: 1px !important;
        width: 100% !important;
        justify-content: center !important;
    }
    
    .category-mobile-toggle i {
        font-size: 0.7rem !important;
    }
    
    .category-mobile-toggle .toggle-arrow i {
        font-size: 0.6rem !important;
    }
    
    /* ===== МОБИЛЬНОЕ МЕНЮ — ВЕРТИКАЛЬНЫЙ СПИСОК ===== */
    .category-sidebar {
        display: none !important;
        max-height: 250px !important;
        overflow-y: auto !important;
        border-radius: 4px !important;
        width: 100% !important;
        position: static !important;
        border: 1px solid var(--gray-200) !important;
        margin-bottom: 4px !important;
    }
    
    .category-sidebar.open {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .category-sidebar-header {
        font-size: 0.6rem !important;
        padding: 6px 12px !important;
        flex-shrink: 0 !important;
    }
    
    /* ===== СПИСОК КАТЕГОРИЙ — В ОДИН СТОЛБИК ===== */
    .category-list {
        display: flex !important;
        flex-direction: column !important;
        gap: 2px !important;
        padding: 4px 6px !important;
        width: 100% !important;
    }
    
    .category-btn {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        padding: 6px 10px !important;
        font-size: 0.7rem !important;
        border-radius: 4px !important;
        background: var(--gray-50) !important;
        border: 1px solid var(--gray-100) !important;
        gap: 8px !important;
    }
    
    .category-btn i {
        font-size: 0.6rem !important;
        width: 16px !important;
        flex-shrink: 0 !important;
    }
    
    .category-btn .badge-count {
        font-size: 0.5rem !important;
        padding: 1px 8px !important;
        min-width: 20px !important;
        background: var(--danger) !important;
        color: white !important;
        border-radius: 10px !important;
        text-align: center !important;
        flex-shrink: 0 !important;
        margin-left: auto !important;
    }
    
    .category-btn.active {
        background: var(--primary) !important;
        color: white !important;
    }
    
    .category-btn.active .badge-count {
        background: rgba(255,255,255,0.25) !important;
        color: white !important;
    }
    
    /* ===== КОНТЕНТ ===== */
    .category-layout {
        padding: 4px 4px 8px 4px !important;
        gap: 4px !important;
        flex-direction: column !important;
    }
    
    .category-content {
        width: 100% !important;
    }
    
    /* ===== ТАБЛИЦА ===== */
    .table-wrapper {
        border-radius: 4px !important;
        overflow-x: auto !important;
    }
    
    .price-table {
        font-size: 0.55rem !important;
        min-width: 400px !important;
        width: 100% !important;
    }
    
    .price-table th,
    .price-table td {
        padding: 3px 4px !important;
        white-space: normal !important;
        word-break: break-word !important;
    }
    
    /* Заголовки — все видны, но мелко */
    .price-table thead th {
        font-size: 0.45rem !important;
        padding: 3px 4px !important;
        white-space: nowrap !important;
    }
    
    /* ===== НАИМЕНОВАНИЕ — с переносом ===== */
    .price-table tbody td.col-name {
        font-size: 0.6rem !important;
        font-weight: 600 !important;
        max-width: 120px !important;
        min-width: 80px !important;
        word-break: break-word !important;
        white-space: normal !important;
        line-height: 1.3 !important;
        padding: 3px 4px !important;
    }
    
    .price-table tbody td.col-name .article-line {
        display: none !important;
    }
    
    .price-table tbody td.col-name .name-line {
        display: block !important;
    }
    
    /* Артикул */
    .price-table tbody td.col-article {
        font-size: 0.5rem !important;
        font-weight: 600 !important;
        color: var(--primary) !important;
        font-family: monospace !important;
        padding: 2px 4px !important;
        max-width: 60px !important;
        word-break: break-all !important;
        white-space: normal !important;
    }
    
    /* Характеристика */
    .price-table tbody td.col-desc {
        font-size: 0.5rem !important;
        color: var(--gray-500) !important;
        max-width: 80px !important;
        word-break: break-word !important;
        white-space: normal !important;
        padding: 2px 4px !important;
    }
    
    /* Цена */
    .price-table tbody td.price-cell {
        font-size: 0.6rem !important;
        font-weight: 700 !important;
        color: var(--success) !important;
        padding: 2px 4px !important;
        text-align: center !important;
        white-space: nowrap !important;
    }
    
    /* На складе */
    .price-table tbody td.quantity-stock {
        padding: 2px 4px !important;
        text-align: center !important;
        white-space: nowrap !important;
    }
    
    .stock-badge {
        font-size: 0.45rem !important;
        padding: 1px 4px !important;
        gap: 2px !important;
        border-radius: 8px !important;
        white-space: nowrap !important;
    }
    
    .stock-badge i {
        font-size: 0.4rem !important;
    }
    
    /* Количество */
    .price-table tbody td:last-child {
        padding: 2px 2px !important;
        text-align: center !important;
        white-space: nowrap !important;
    }
    
    .quantity-btn {
        width: 20px !important;
        height: 20px !important;
        font-size: 0.5rem !important;
        min-width: 20px !important;
        min-height: 20px !important;
        border-radius: 3px !important;
    }
    
    .quantity-input {
        width: 22px !important;
        font-size: 0.5rem !important;
        padding: 1px 0 !important;
        min-height: 20px !important;
        border-radius: 3px !important;
    }
    
    /* Пагинация */
    .pagination-container {
        gap: 2px !important;
        padding: 4px 4px !important;
        border-radius: 4px !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
    }
    
    .pagination-btn {
        padding: 2px 6px !important;
        font-size: 0.5rem !important;
        min-height: 22px !important;
        border-radius: 3px !important;
    }
    
    .pagination-btn i {
        font-size: 0.5rem !important;
    }
    
    .pagination-info {
        font-size: 0.5rem !important;
        padding: 2px 6px !important;
        white-space: nowrap !important;
    }
    
    /* Корзина FAB */
    .cart-fab {
        width: 44px !important;
        height: 44px !important;
        font-size: 18px !important;
        bottom: 12px !important;
        right: 12px !important;
    }
    
    .cart-fab .cart-badge {
        min-width: 18px !important;
        height: 18px !important;
        font-size: 9px !important;
    }
    
    /* Подвал */
    .app-footer {
        padding: 6px 8px !important;
    }
    
    .contact-info {
        font-size: 0.5rem !important;
        gap: 4px !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
    
    .contact-info .separator {
        display: none !important;
    }
    
    .copyright {
        font-size: 0.45rem !important;
    }
    
    /* Предупреждения */
    .global-stock-warning .warning-content {
        padding: 6px 10px !important;
        gap: 4px !important;
        flex-wrap: wrap !important;
    }
    
    .global-stock-warning .warning-text {
        font-size: 0.65rem !important;
    }
    
    .global-stock-warning .warning-close {
        padding: 2px 8px !important;
        font-size: 0.6rem !important;
    }
}

/* ============================================================
   ОБЩИЕ УЛУЧШЕНИЯ ДЛЯ TOUCH
   ============================================================ */
@media (max-width: 768px) {
    .quantity-btn {
        min-width: 28px;
        min-height: 28px;
        padding: 0;
    }
    .quantity-input {
        min-height: 28px;
    }
    .cart-fab {
        width: 48px;
        height: 48px;
        font-size: 20px;
        bottom: 16px;
        right: 16px;
    }
    .cart-fab .cart-badge {
        min-width: 20px;
        height: 20px;
        font-size: 10px;
    }
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

*::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}