/* Общие стили для Telegram WebApp */
:root {
    --tg-theme-bg-color: #1a1a1a;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #8e8e93;
    --tg-theme-link-color: #5ac8fa;
    --tg-theme-button-color: #5ac8fa;
    --tg-theme-button-text-color: #ffffff;
    --primary-color: #5ac8fa;
    --secondary-color: #2c2c2e;
    --success-color: #30d158;
    --warning-color: #ff9f0a;
    --error-color: #ff453a;
    --border-color: #3a3a3c;
    --card-bg-color: #2c2c2e;
    --border-radius: 12px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.5;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

/* Поддержка безопасных зон на мобильных устройствах */
body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* Светлая тема */
.light-theme {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #6d6d72;
    --tg-theme-link-color: #007aff;
    --tg-theme-button-color: #007aff;
    --tg-theme-button-text-color: #ffffff;
    --primary-color: #007aff;
    --secondary-color: #f2f2f7;
    --card-bg-color: #ffffff;
    --border-color: #c6c6c8;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Тёмная тема (по умолчанию) */
.dark-theme {
    --tg-theme-bg-color: #1a1a1a;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #8e8e93;
    --tg-theme-link-color: #5ac8fa;
    --tg-theme-button-color: #5ac8fa;
    --tg-theme-button-text-color: #ffffff;
    --primary-color: #5ac8fa;
    --secondary-color: #2c2c2e;
    --card-bg-color: #2c2c2e;
    --border-color: #3a3a3c;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Контейнер */
.container {
    max-width: 100%;
    padding: 0 12px;
    margin: 0 auto;
}

@media (min-width: 480px) {
    .container {
        padding: 0 16px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
        padding: 0 20px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
        padding: 0 24px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

/* Заголовок */
.header {
    position: sticky;
    top: 0;
    background-color: var(--tg-theme-bg-color);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    padding: 12px 0;
}

@media (min-width: 768px) {
    .header {
        padding: 16px 0;
    }
}

.header .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    text-align: center;
}

@media (min-width: 480px) {
    .header-title {
        font-size: 18px;
    }
}

@media (min-width: 768px) {
    .header-title {
        font-size: 18px;
    }
}

.back-btn {
    background: none;
    border: none;
    font-size: 16px;
    color: var(--tg-theme-link-color);
    cursor: pointer;
    padding: 8px 0;
}

.cart-icon {
    position: relative;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--error-color);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Основной контент */
.main {
    padding: 16px 0 80px 0;
}

@media (min-width: 768px) {
    .main {
        padding: 20px 0 80px 0;
    }
}

/* Поиск и фильтры */
.search-bar {
    display: flex;
    margin-bottom: 12px;
    gap: 8px;
}

@media (min-width: 480px) {
    .search-bar {
        margin-bottom: 16px;
        gap: 12px;
    }
}

.search-bar input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
}

@media (min-width: 480px) {
    .search-bar input {
        padding: 12px 16px;
        font-size: 16px;
    }
}

.search-bar input::placeholder {
    color: var(--tg-theme-hint-color);
}

/* Фильтры */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    align-items: center;
}

@media (min-width: 480px) {
    .filters-bar {
        margin-bottom: 16px;
        gap: 12px;
    }
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

@media (min-width: 480px) {
    .filter-group {
        gap: 8px;
        flex: 0 0 auto;
    }
}

.filter-label {
    font-size: 13px;
    color: var(--tg-theme-hint-color);
    white-space: nowrap;
    font-weight: 500;
}

@media (min-width: 480px) {
    .filter-label {
        font-size: 14px;
    }
}

.filter-select {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
    cursor: pointer;
    min-width: 0;
}

@media (min-width: 480px) {
    .filter-select {
        padding: 10px 12px;
        font-size: 14px;
        border-radius: var(--border-radius);
    }
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(90, 200, 250, 0.2);
}

.search-btn {
    padding: 10px 16px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
    min-width: 70px;
}

@media (min-width: 480px) {
    .search-btn {
        padding: 12px 20px;
        font-size: 14px;
        min-width: 80px;
    }
}

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

.filters {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

@media (min-width: 480px) {
    .filters {
        flex-direction: row;
        gap: 12px;
        margin-bottom: 20px;
    }
}

.filters select {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
}

@media (min-width: 480px) {
    .filters select {
        padding: 12px 16px;
    }
}

/* Сетка товаров - оптимизированная для мобильных устройств */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 24px;
    padding: 0 2px;
    width: 100%;
}

/* Для очень маленьких экранов (< 320px) */
@media (max-width: 320px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
}

/* Стандартные мобильные устройства */
@media (min-width: 360px) {
    .products-grid {
        gap: 10px;
        padding: 0;
    }
}

/* Большие мобильные устройства */
@media (min-width: 414px) {
    .products-grid {
        gap: 12px;
    }
}

/* Планшеты в портретной ориентации */
@media (min-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

/* Планшеты в альбомной ориентации */
@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

/* Десктопы */
@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

/* Карточка товара */
.product-card {
    background: var(--card-bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    position: relative;
    border: 1px solid var(--border-color);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: 200px;
}

/* Улучшенные эффекты для десктопа */
@media (hover: hover) and (pointer: fine) {
    .product-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(90, 200, 250, 0.15);
    }
}

/* Улучшения для сенсорных устройств */
@media (hover: none) and (pointer: coarse) {
    .product-card {
        min-height: 180px;
    }
    
    .product-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease-out;
        box-shadow: 0 2px 12px rgba(90, 200, 250, 0.2);
    }
}

/* Улучшенная адаптивность для очень маленьких экранов */
@media (max-width: 360px) {
    .product-card {
        min-height: 160px;
        border-radius: 8px;
    }
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

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

.product-discount {
    position: absolute;
    top: 6px;
    left: 6px;
    background-color: var(--error-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

@media (min-width: 480px) {
    .product-discount {
        top: 8px;
        left: 8px;
        padding: 4px 8px;
        border-radius: 6px;
        font-size: 12px;
    }
}

.new-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    background-color: var(--success-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

@media (min-width: 480px) {
    .new-badge {
        top: 8px;
        left: 8px;
        padding: 3px 7px;
        border-radius: 6px;
        font-size: 10px;
    }
}

.season-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    font-size: 16px;
    font-weight: 600;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: auto;
    height: auto;
}

@media (min-width: 480px) {
    .season-badge {
        top: 8px;
        right: 8px;
        font-size: 20px;
    }
}

/* Позиционирование значков, когда их несколько */
.product-image .new-badge + .season-badge {
    left: auto;
    right: 6px;
    top: 6px;
}

.product-image .season-badge + .new-badge {
    right: auto;
    left: 40px;
    top: 6px;
}

@media (min-width: 480px) {
    .product-image .new-badge + .season-badge {
        right: 8px;
        top: 8px;
    }
    
    .product-image .season-badge + .new-badge {
        left: 48px;
        top: 8px;
    }
}

.product-info {
    padding: 10px;
}

@media (min-width: 480px) {
    .product-info {
        padding: 12px;
    }
}

.product-rating {
    font-size: 11px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 6px;
}

@media (min-width: 480px) {
    .product-rating {
        font-size: 12px;
        margin-bottom: 8px;
    }
}

.product-title {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 34px;
}

@media (min-width: 480px) {
    .product-title {
        font-size: 14px;
        margin-bottom: 8px;
        min-height: 36px;
    }
}

.product-price {
    margin-bottom: 8px;
}

@media (min-width: 480px) {
    .product-price {
        margin-bottom: 12px;
    }
}

.price-current {
    font-size: 14px;
    font-weight: 600;
    color: var(--tg-theme-text-color);
}

@media (min-width: 480px) {
    .price-current {
        font-size: 16px;
    }
}

.price-old {
    font-size: 11px;
    color: var(--tg-theme-hint-color);
    text-decoration: line-through;
    margin-left: 6px;
}

@media (min-width: 480px) {
    .price-old {
        font-size: 12px;
        margin-left: 8px;
    }
}

.add-to-cart-btn {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

@media (min-width: 480px) {
    .add-to-cart-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
}

.add-to-cart-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Улучшения кнопок для сенсорных устройств */
@media (hover: none) and (pointer: coarse) {
    .add-to-cart-btn:hover {
        background-color: var(--card-bg-color);
        border-color: var(--border-color);
        color: var(--tg-theme-text-color);
    }
    
    .add-to-cart-btn:active {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: white;
        transform: scale(0.95);
    }
    
    .search-btn:hover {
        background-color: var(--card-bg-color);
        border-color: var(--border-color);
        color: var(--tg-theme-text-color);
    }
    
    .search-btn:active {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: white;
    }
    
    .load-more-btn:hover {
        background-color: var(--card-bg-color);
        border-color: var(--border-color);
        color: var(--tg-theme-text-color);
    }
    
    .load-more-btn:active {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: white;
        transform: scale(0.95);
    }
}

/* Кнопка "Показать еще" */
.load-more {
    text-align: center;
    margin-top: 16px;
}

@media (min-width: 480px) {
    .load-more {
        margin-top: 24px;
    }
}

.load-more-btn {
    padding: 10px 20px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 80px;
}

@media (min-width: 480px) {
    .load-more-btn {
        padding: 12px 24px;
        font-size: 16px;
        min-width: 100px;
    }
}

.load-more-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Страница товара */
.product-detail {
    max-width: 600px;
    margin: 0 auto;
}

.product-gallery {
    margin-bottom: 20px;
}

.main-image {
    margin-bottom: 16px;
}

.main-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.thumbnail-images {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.thumbnail.active,
.thumbnail:hover {
    opacity: 1;
}

.product-info-detail {
    padding: 0 0 20px 0;
}

.product-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge.discount {
    background-color: var(--error-color);
    color: white;
}

.badge.bestseller {
    background-color: var(--warning-color);
    color: white;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.3;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.stars {
    color: #ffc107;
}

.rating-text {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
}

.product-price-section {
    margin-bottom: 24px;
}

.price-main {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.price-current {
    font-size: 28px;
    font-weight: 700;
    color: var(--tg-theme-text-color);
}

.price-old {
    font-size: 20px;
    color: var(--tg-theme-hint-color);
    text-decoration: line-through;
}

.savings {
    color: var(--success-color);
    font-size: 14px;
    font-weight: 500;
}

/* Варианты товара */
.product-variants {
    margin-bottom: 24px;
}

.variant-group {
    margin-bottom: 16px;
}

.variant-group h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
}

.color-options {
    display: flex;
    gap: 8px;
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.2s;
}

.color-option.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.memory-options {
    display: flex;
    gap: 8px;
}

.memory-option {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg-color);
    color: var(--tg-theme-text-color);
    cursor: pointer;
    transition: all 0.2s;
}

.memory-option.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Описание товара */
.product-description {
    margin-bottom: 24px;
}

.product-description h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-description p {
    margin-bottom: 16px;
    color: var(--tg-theme-hint-color);
}

.features h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
}

.features ul {
    list-style: none;
    padding: 0;
}

.features li {
    padding: 4px 0;
    font-size: 14px;
    color: var(--tg-theme-hint-color);
}

/* Секция покупки */
.purchase-section {
    margin-bottom: 32px;
    padding: 20px;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
}

.quantity-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: var(--card-bg-color);
    color: var(--tg-theme-text-color);
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-value {
    font-size: 18px;
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

.purchase-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.add-to-cart-btn,
.buy-now-btn {
    padding: 16px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.add-to-cart-btn {
    background-color: var(--secondary-color);
    color: var(--tg-theme-text-color);
    border: 2px solid var(--primary-color);
}

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

/* Дополнительная информация */
.additional-info {
    margin-bottom: 32px;
}

.delivery-info,
.warranty-info {
    padding: 16px;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
}

.delivery-info h4,
.warranty-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.delivery-info p,
.warranty-info p {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
    line-height: 1.4;
}

/* Отзывы */
.reviews-section {
    margin-bottom: 32px;
}

.reviews-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.review {
    padding: 16px;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.reviewer-name {
    font-weight: 500;
}

.review-rating {
    color: #ffc107;
}

.review-text {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.4;
}

.review-date {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

.show-all-reviews {
    padding: 12px 24px;
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
}

/* Рекомендации */
.recommendations h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.recommended-products {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommended-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

.recommended-item:hover {
    background-color: #3a3a3c;
}

.recommended-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.recommended-info h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}

.recommended-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Корзина */
.cart-container {
    max-width: 600px;
    margin: 0 auto;
}

.cart-items {
    margin-bottom: 24px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--card-bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
}

.cart-item-image img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

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

.cart-item-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
    line-height: 1.3;
}

.cart-item-variant {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 8px;
}

.cart-item-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

.cart-item-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.quantity-controls .quantity-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    background: var(--card-bg-color);
    color: var(--tg-theme-text-color);
}

.quantity-controls .quantity {
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.remove-btn {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    opacity: 0.6;
}

/* Промокод */
.promo-section {
    margin-bottom: 24px;
}

.promo-input {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.promo-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
}

.promo-input input::placeholder {
    color: var(--tg-theme-hint-color);
}

.promo-btn {
    padding: 12px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
}

.promo-message {
    font-size: 14px;
    padding: 8px 0;
}

/* Итого */
.cart-summary {
    background-color: var(--secondary-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.summary-row:last-child {
    margin-bottom: 0;
}

.summary-row.total {
    font-size: 18px;
    font-weight: 600;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.discount {
    color: var(--success-color);
}

.free {
    color: var(--success-color);
    font-weight: 500;
}

.summary-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 12px 0;
}

/* Опции доставки и оплаты */
.delivery-options,
.payment-options {
    margin-bottom: 24px;
}

.delivery-options h3,
.payment-options h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.delivery-option,
.payment-option {
    margin-bottom: 12px;
}

.delivery-option label,
.payment-option label {
    display: flex;
    align-items: center;
    padding: 16px;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

.delivery-option input,
.payment-option input {
    margin-right: 12px;
    accent-color: var(--primary-color);
}

.delivery-info {
    flex: 1;
}

.delivery-info h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
}

.delivery-info p {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 4px;
}

.delivery-time {
    font-size: 12px;
    color: var(--success-color);
    font-weight: 500;
}

.delivery-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Контактная информация */
.contact-info {
    margin-bottom: 32px;
}

.contact-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    background-color: var(--card-bg-color);
    color: var(--tg-theme-text-color);
}

.form-group input::placeholder {
    color: var(--tg-theme-hint-color);
}

/* Действия корзины */
.cart-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.continue-shopping-btn,
.checkout-btn {
    padding: 16px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.continue-shopping-btn {
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.checkout-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

/* Пустая корзина */
.empty-cart {
    text-align: center;
    padding: 60px 20px;
}

.empty-cart-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.empty-cart h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.empty-cart p {
    font-size: 16px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 24px;
}

.catalog-btn {
    padding: 16px 32px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* Красивый индикатор загрузки */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    min-height: 120px;
}

/* Основной контейнер анимации */
.loading-animation {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* Стиль 1: Пульсирующие точки */
.dots-loader {
    display: flex;
    gap: 8px;
}

.dots-loader .dot {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse-dots 1.4s ease-in-out infinite both;
}

.dots-loader .dot:nth-child(1) { animation-delay: -0.32s; }
.dots-loader .dot:nth-child(2) { animation-delay: -0.16s; }
.dots-loader .dot:nth-child(3) { animation-delay: 0s; }

@keyframes pulse-dots {
    0%, 80%, 100% { 
        transform: scale(0);
        opacity: 0.3;
    }
    40% { 
        transform: scale(1);
        opacity: 1;
    }
}

/* Стиль 2: Вращающиеся кольца */
.rings-loader {
    position: relative;
    width: 60px;
    height: 60px;
}

.rings-loader .ring {
    position: absolute;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: rotate 2s linear infinite;
}

.rings-loader .ring:nth-child(1) {
    width: 60px;
    height: 60px;
    border-top-color: var(--primary-color);
    animation-delay: 0s;
}

.rings-loader .ring:nth-child(2) {
    width: 45px;
    height: 45px;
    top: 7.5px;
    left: 7.5px;
    border-right-color: var(--success-color);
    animation-delay: -0.5s;
    animation-direction: reverse;
}

.rings-loader .ring:nth-child(3) {
    width: 30px;
    height: 30px;
    top: 15px;
    left: 15px;
    border-bottom-color: var(--warning-color);
    animation-delay: -1s;
}

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

/* Стиль 3: Волновая анимация */
.wave-loader {
    display: flex;
    gap: 4px;
    align-items: end;
}

.wave-loader .bar {
    width: 4px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: wave 1.2s ease-in-out infinite;
}

.wave-loader .bar:nth-child(1) { animation-delay: 0s; }
.wave-loader .bar:nth-child(2) { animation-delay: 0.1s; }
.wave-loader .bar:nth-child(3) { animation-delay: 0.2s; }
.wave-loader .bar:nth-child(4) { animation-delay: 0.3s; }
.wave-loader .bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes wave {
    0%, 40%, 100% { 
        transform: scaleY(0.4);
        opacity: 0.5;
    }
    20% { 
        transform: scaleY(1);
        opacity: 1;
    }
}

/* Стиль 4: Органическая анимация */
.organic-loader {
    position: relative;
    width: 50px;
    height: 50px;
}

.organic-loader::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--success-color));
    border-radius: 50%;
    animation: organic-pulse 2s ease-in-out infinite;
}

.organic-loader::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    width: 30px;
    height: 30px;
    background: var(--tg-theme-bg-color);
    border-radius: 50%;
    animation: organic-inner 2s ease-in-out infinite reverse;
}

@keyframes organic-pulse {
    0%, 100% {
        transform: scale(0.8) rotate(0deg);
        border-radius: 50%;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
}

@keyframes organic-inner {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(0.5);
        opacity: 1;
    }
}

/* Текст загрузки */
.loading-text {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    animation: text-fade 2s ease-in-out infinite;
}

@keyframes text-fade {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Адаптивность для темной/светлой темы */
.light-theme .dots-loader .dot,
.light-theme .loading-text {
    color: #666;
}

.light-theme .rings-loader .ring:nth-child(1) {
    border-top-color: var(--primary-color);
}

/* Дополнительные эффекты */
.loading-indicator.fade-in {
    animation: fadeIn 0.3s ease-in;
}

.loading-indicator.fade-out {
    animation: fadeOut 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

/* Состояние кнопки загрузки */
.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--border-color);
}

/* Дополнительные элементы карточки товара */
.product-brand {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 8px;
    font-weight: 500;
}

.product-description {
    font-size: 13px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 12px;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* Сообщение об отсутствии товаров */
.no-products {
    text-align: center;
    padding: 40px 20px;
    grid-column: 1 / -1;
}

.no-products p {
    font-size: 16px;
    color: var(--tg-theme-hint-color);
}

/* Адаптивность для больших экранов */
@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .product-card {
        transition: transform 0.2s, box-shadow 0.2s;
    }
    
    .filters {
        max-width: 400px;
    }
    
    .purchase-buttons {
        flex-direction: row;
    }
    
    .cart-actions {
        flex-direction: row;
    }
}