/* Страница товара */

/* Хлебные крошки */
.breadcrumbs {
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumbs a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.breadcrumbs .separator {
    margin: 0 8px;
    color: #999;
}

.breadcrumbs .current {
    color: #333;
}

/* Основной блок товара */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Галерея */
.product-gallery {
    position: relative;
}

.main-photo {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    aspect-ratio: 1 / 1.5;
}

.main-photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 18px;
}

.product-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.badge {
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

.badge-new {
    background: #3498db;
}

.badge-sale {
    background: #e74c3c;
}

/* Кнопка избранного в карточке товара */
.favorite-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.favorite-btn:hover {
    transform: scale(1.1);
    background: #fff;
}

.favorite-btn svg {
    width: 20px;
    height: 20px;
}

.favorite-btn svg path {
    fill: rgba(255, 255, 255, 0.7);
    transition: fill 0.2s ease;
}

/* Красное сердечко для активного избранного */
.favorite-btn.active svg path {
    fill: #e74c3c !important;
}

/* Миниатюры */
.photo-thumbnails {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.thumbnail {
    width: 70px;
    height: 70px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: #3498db;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #ffffff;
}

/* Информация о товаре */
.product-info-detail {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.product-title {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    margin: 0;
    line-height: 1.3;
}

.product-article {
    font-size: 14px;
    color: #888;
}

.product-article span {
    color: #555;
}

/* Мини-галерея карточки товара */
.product-card-gallery {
    margin: 15px 0;
    padding: 15px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.product-card-gallery-title {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    font-weight: 500;
}

.card-gallery-container {
    position: relative;
    display: flex;
    align-items: center;
}

.card-gallery {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    padding: 5px 0;
}

.card-gallery::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.card-gallery-item {
    flex: 0 0 80px;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    background: #f5f5f5;
}

.card-gallery-item:hover {
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #ffffff;
}

.card-gallery-nav {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #ddd;
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    opacity: 0;
    visibility: hidden;
}

.card-gallery-nav.visible {
    opacity: 1;
    visibility: visible;
}

.card-gallery-nav:hover {
    background: #3498db;
    border-color: #3498db;
    color: #fff;
}

.card-gallery-nav svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.card-gallery-nav.prev {
    margin-right: 8px;
}

.card-gallery-nav.next {
    margin-left: 8px;
}

/* Рейтинг */
.product-rating-detail {
    display: flex;
    align-items: center;
    gap: 8px;
}

.rating-stars .star {
    color: #ddd;
    font-size: 20px;
}

.rating-stars .star.filled {
    color: #f1c40f;
}

.rating-value {
    font-weight: 600;
    color: #333;
}

.reviews-link {
    color: #3498db;
    text-decoration: none;
}

.reviews-link:hover {
    text-decoration: underline;
}

/* Цена */
.product-price-detail {
    display: flex;
    align-items: baseline;
    gap: 15px;
}

.product-price-detail .current-price {
    font-size: 32px;
    font-weight: 700;
    color: #333;
}

.product-price-detail .old-price {
    font-size: 20px;
    color: #999;
    text-decoration: line-through;
}

.discount-percent {
    background: #e74c3c;
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
}

/* Блок «Акция» на странице товара */
.product-promo-block {
    margin-top: 8px;
    padding: 12px 14px;
    background: linear-gradient(135deg, #fff7ed 0%, #fef3c7 100%);
    border: 1px solid #fcd34d;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-promo-block .product-promo-title {
    font-size: 14px;
    font-weight: 600;
    color: #b45309;
}

.product-promo-block .product-promo-prices {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
}

.product-promo-block .promo-old {
    color: #999;
    text-decoration: line-through;
}

.product-promo-block .promo-arrow {
    color: #b45309;
    font-weight: 600;
}

.product-promo-block .promo-new {
    color: #b45309;
    font-weight: 700;
    font-size: 16px;
}

.product-promo-block .promo-save {
    color: #15803d;
    font-weight: 500;
    margin-left: auto;
}

/* Наличие */
.product-availability {
    font-size: 15px;
}

.in-stock {
    color: #27ae60;
}

.out-of-stock {
    color: #e74c3c;
}

/* Кнопки действий */
.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-disabled {
    background: #ccc;
    color: #666;
    cursor: not-allowed;
}

.btn-favorite {
    background: #f5f5f5;
    color: #666;
    border: 1px solid #ddd;
}

.btn-favorite svg {
    fill: #ccc;
    transition: fill 0.2s;
}

.btn-favorite:hover,
.btn-favorite.active {
    border-color: #e74c3c;
    color: #e74c3c;
}

.btn-favorite:hover svg,
.btn-favorite.active svg {
    fill: #e74c3c;
}

/* Контролы корзины */
.cart-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-quantity {
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 20px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.btn-quantity:hover {
    background: #e5e5e5;
}

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

/* Продавец */
.product-seller {
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

.seller-name {
    color: #333;
    font-weight: 500;
}

/* Способ оплаты */
.product-payment {
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

.payment-label {
    font-weight: 500;
}

.payment-value {
    color: #27ae60;
    font-weight: 600;
}

/* Способы доставки */
.product-delivery {
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

.delivery-label {
    font-weight: 500;
    display: block;
    margin-bottom: 10px;
}

.delivery-services {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.delivery-service-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    background: #f5f5f5;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    transition: all 0.2s;
}

.delivery-service-item:hover {
    background: #fff;
    border-color: #3498db;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
}

.delivery-logo {
    max-width: 80px;
    max-height: 30px;
    object-fit: contain;
}

.delivery-service-code {
    font-size: 12px;
    font-weight: 600;
    color: #666;
}

/* Вкладки */
.product-tabs {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 40px;
}

.tabs-header {
    display: flex;
    gap: 5px;
    border-bottom: 2px solid #eee;
    margin-bottom: 25px;
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    font-size: 16px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
}

.tab-btn:hover {
    color: #333;
}

.tab-btn.active {
    color: #3498db;
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: #3498db;
}

.tab-panel {
    display: none;
}

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

/* Описание */
.product-description {
    line-height: 1.7;
    color: #444;
}

/* Характеристики */
.params-table {
    width: 100%;
    border-collapse: collapse;
}

.params-table tr:nth-child(even) {
    background: #f9f9f9;
}

.params-table td {
    padding: 12px 15px;
}

.param-name {
    color: #666;
    width: 40%;
}

.param-value {
    color: #333;
    font-weight: 500;
}

.no-params {
    color: #999;
    font-style: italic;
}

/* Отзывы */
.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-item {
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.review-author {
    font-weight: 600;
    color: #333;
}

.review-date {
    color: #999;
    font-size: 14px;
}

.review-rating .star {
    color: #ddd;
    font-size: 16px;
}

.review-rating .star.filled {
    color: #f1c40f;
}

.review-text {
    margin-top: 10px;
    color: #444;
    line-height: 1.6;
}

.no-reviews {
    color: #999;
    font-style: italic;
}

/* Форма отзыва */
.review-form-container {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.review-form-container h3 {
    margin-bottom: 20px;
    color: #333;
}

.review-form .form-group {
    margin-bottom: 20px;
}

.review-form label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.review-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    resize: vertical;
}

.review-form textarea:focus {
    outline: none;
    border-color: #3498db;
}

/* Рейтинг ввод */
.rating-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
}

.rating-input input {
    display: none;
}

.rating-input label {
    font-size: 28px;
    color: #ddd;
    cursor: pointer;
    transition: color 0.2s;
    margin-bottom: 0;
}

.rating-input label:hover,
.rating-input label:hover ~ label,
.rating-input input:checked ~ label {
    color: #f1c40f;
}

/* Похожие товары */
.similar-products {
    margin-bottom: 40px;
    /* Без подложки: явный сброс фона/бордера/тени, чтобы секция
       не выглядела как отдельная плашка. */
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
}

.similar-products h2 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
}

/* Адаптивность */
@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 20px;
    }
    
    .product-title {
        font-size: 22px;
    }
    
    .product-price-detail .current-price {
        font-size: 26px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .tabs-header {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* Вкладка Продавец */
.seller-tab-content {
    padding: 10px 0;
}

.seller-store-header {
    margin-bottom: 25px;
}

.seller-store-link {
    font-size: 24px;
    font-weight: 600;
    color: #3498db;
    text-decoration: none;
    transition: color 0.2s;
}

.seller-store-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

.seller-contacts,
.seller-info {
    margin-bottom: 25px;
}

.seller-contacts h4,
.seller-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.seller-contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 15px;
}

.contact-label {
    color: #666;
    min-width: 100px;
}

.contact-value {
    color: #333;
}

.seller-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 15px;
}

.info-label {
    color: #666;
    min-width: 140px;
}

.info-value {
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.seller-description {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.seller-description .info-label {
    min-width: auto;
}

.seller-description .info-value {
    color: #555;
    line-height: 1.5;
}

.rating-num {
    font-weight: 600;
    color: #333;
}

.reviews-count {
    color: #888;
    font-size: 14px;
}

.seller-actions {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.btn-message-seller {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    font-size: 16px;
}

.btn-message-seller svg {
    fill: currentColor;
}

.no-seller {
    color: #888;
    font-size: 15px;
    text-align: center;
    padding: 40px 0;
}