/* --- СТИЛИ ДЛЯ СТРАНИЦЫ ОДНОГО ТОВАРА --- */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main {
    flex-grow: 1;
    padding-top: 85px;
}

.product-page-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    padding: 40px;
    margin-top: 40px;
    background-color: var(--surface-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

/* --- Галерея изображений --- */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.main-image-container {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background-color: #fff;
}

#main-product-image {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.main-image-container:hover #main-product-image {
    transform: scale(1.1);
}

.thumbnail-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
}

.thumbnail-image {
    width: 100%;
    height: 80px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    object-fit: contain;
    transition: border-color 0.3s ease, transform 0.3s ease;
    background-color: #fff;
}

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

.thumbnail-image.active {
    border-color: var(--accent-orange);
}

/* Правая колонка: Детали */
.product-details h1 { font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 15px; }
.product-rating { display: flex; align-items: center; margin-bottom: 20px; color: #ffc107; }
.product-rating span { margin-left: 10px; font-size: 0.9rem; color: var(--subtext-color); }
.product-specs { margin-bottom: 30px; background-color: var(--bg-color); padding: 20px; border-radius: 8px; }
.product-specs h3 { margin-bottom: 15px; font-size: 1.2rem; }
.product-specs p { line-height: 1.7; color: var(--subtext-color); }
.product-price { font-size: 2.8rem; font-weight: 800; color: var(--accent-blue); margin-bottom: 30px; }
.product-actions { display: flex; gap: 20px; align-items: center; }

/* Счетчик количества */
.quantity-selector { display: flex; align-items: center; border: 1px solid var(--border-color); border-radius: 8px; }
.quantity-btn { background-color: transparent; border: none; cursor: pointer; font-size: 1.5rem; color: var(--text-color); width: 50px; height: 50px; transition: background-color 0.2s; }
.quantity-btn:hover { background-color: #e9ecef; }
#quantity-input { width: 60px; height: 50px; text-align: center; font-size: 1.2rem; font-weight: bold; border: none; border-left: 1px solid var(--border-color); border-right: 1px solid var(--border-color); background-color: var(--surface-color); color: var(--text-color); }
#quantity-input:focus { outline: none; }

/* Кнопка "В корзину" */
.add-to-cart-main-btn { flex-grow: 1; padding: 15px; height: 52px; background-color: var(--accent-orange); color: white; border: none; border-radius: 8px; cursor: pointer; font-size: 1.1rem; font-weight: bold; text-transform: uppercase; display: flex; align-items: center; justify-content: center; gap: 10px; transition: background-color 0.3s; }
.add-to-cart-main-btn:hover { background-color: var(--accent-orange-hover); }

/* Секция похожих товаров */
.related-products-section { padding: 80px 0; border-top: 1px solid var(--border-color); margin-top: 60px; }
.related-products-section .product-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Адаптивность для страницы товара */
@media (max-width: 992px) { .product-page-container { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
    .product-details h1 { font-size: 2rem; }
    .product-price { font-size: 2.2rem; }
    .product-actions { flex-direction: column; align-items: stretch; }

    /* ИЗМЕНЕНИЕ: Похожие товары в 2 колонки */
    .related-products-section .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}