/* ===== Страница товара ===== */
.breadcrumbs {
    padding: 20px 0;
    font-size: 14px;
    color: var(--color-text-muted);
}

.breadcrumbs a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumbs a:hover {
    color: var(--color-accent);
}

.breadcrumbs span {
    color: var(--color-text);
    font-weight: 500;
}

/* Две колонки */
.product-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 20px 0 60px;
}

/* Левая колонка */
.product-left {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Правая колонка */
.product-right {
    position: sticky;
    top: 100px;
    align-self: start;
}

/* ===== Галерея ===== */
.product-gallery {
    width: 100%;
}

.gallery-main {
    width: 100%;
    height: 400px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    margin-bottom: 16px;
}

.gallery-slide {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.gallery-slide.active {
    display: flex;
}

.gallery-slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.no-image-placeholder {
    text-align: center;
}

.no-image-placeholder span {
    font-size: 64px;
    display: block;
    margin-bottom: 10px;
}

/* Навигация галереи */
.gallery-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.gallery-prev,
.gallery-next {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex-shrink: 0;
}

.gallery-prev:hover,
.gallery-next:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    flex: 1;
    scroll-behavior: smooth;
    padding: 5px 0;
}

.gallery-thumbs::-webkit-scrollbar {
    height: 4px;
}

.gallery-thumbs::-webkit-scrollbar-track {
    background: #e2e8f0;
    border-radius: 10px;
}

.gallery-thumbs::-webkit-scrollbar-thumb {
    background: #f97316;
    border-radius: 10px;
}

.thumb {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s;
    border: 2px solid transparent;
    flex-shrink: 0;
    background: #f1f5f9;
}

.thumb.active {
    opacity: 1;
    border-color: var(--color-accent);
}

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

.thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

/* ===== Табы ===== */
.product-tabs {
    background: var(--color-surface);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.tab-btn {
    flex: 1;
    padding: 14px 20px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--color-accent);
}

.tab-btn.active {
    color: var(--color-accent);
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-accent);
}

.tabs-content {
    padding: 24px;
}

.tab-pane {
    display: none;
}

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

.product-description p {
    font-size: 15px;
    color: #475569;
    line-height: 1.6;
}

.related-products {
    padding: 20px 0 70px;
    background: #fff;
    border-top: 1px solid #eef2f7;
}

.related-products__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.related-product-card {
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: visible;
    background: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.related-product-card__image {
    height: 170px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.related-product-card__body {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.related-product-card__body h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.related-product-card__body p {
    color: #64748b;
    margin-bottom: 6px;
    font-size: 13px;
}

.related-product-card__body .btn {
    margin-top: auto;
    width: 100%;
    text-align: center;
}

/* Документы */
.docs-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.doc-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--color-bg);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid var(--color-border);
}

.doc-item:hover {
    background: #fff7ed;
    border-color: var(--color-accent);
    transform: translateX(5px);
}

.doc-icon {
    font-size: 32px;
}

.doc-info {
    flex: 1;
}

.doc-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.doc-size {
    font-size: 12px;
    color: #64748b;
}

.doc-download {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 14px;
}

/* ===== Правая колонка ===== */
.product-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient-accent);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    width: auto;
    max-width: max-content;
    align-self: flex-start;
}

@media (max-width: 992px) {
    .product-left .product-badge {
        font-size: 11px;
        padding: 5px 12px;
        border-radius: 999px;
        margin-bottom: 12px;
    }
}

.product-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.3;
}

.product-stats {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.product-views {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Характеристики */
.product-specs {
    background: var(--color-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.product-specs h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.specs-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 8px 0;
    border-bottom: 1px dashed var(--color-border);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item--header {
    border-bottom: 1px solid var(--color-border);
    padding-top: 12px;
    padding-bottom: 12px;
}

.spec-item--header .spec-label {
    color: var(--color-text);
    font-weight: 700;
}

.spec-label {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.spec-value {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 600;
    text-align: right;
    max-width: 55%;
}

.product-actions {
    padding-top: 16px;
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
}

.product-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 0;
    padding: 12px 24px;
    font-size: 14px;
    text-align: center;
    white-space: nowrap;
}

/* ===== Адаптив ===== */
@media (max-width: 992px) {
    .product-page {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-right {
        order: 1;
    }

    .product-left {
        order: 2;
    }
    
    .product-right {
        position: static;
    }
    
    .gallery-main {
        height: 350px;
    }

    .related-products__list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .product-actions {
        flex-wrap: wrap;
    }

    .product-actions .btn {
        flex: 1 1 100%;
    }

    .gallery-main {
        height: 300px;
    }
    
    .thumb {
        width: 55px;
        height: 55px;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .spec-item {
        flex-direction: column;
        gap: 4px;
    }
    
    .spec-value {
        text-align: left;
        max-width: 100%;
    }
    
    .tabs-header {
        flex-direction: column;
    }
    
    .tab-btn {
        padding: 12px;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .tab-btn.active {
        border-bottom: 1px solid #f97316;
    }

    .related-products__list {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 8px;
    }

    .related-product-card {
        min-width: 84%;
        scroll-snap-align: start;
    }
}

@media (max-width: 480px) {
    .gallery-main {
        height: 250px;
    }
    
    .thumb {
        width: 50px;
        height: 50px;
    }
    
    .gallery-prev,
    .gallery-next {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
    
    .tabs-content {
        padding: 16px;
    }
    
    .doc-item {
        flex-wrap: wrap;
    }
    
    .doc-download {
        width: 100%;
        text-align: right;
    }
}
/* ===== Ограничение длинного описания ===== */
.product-description {
    max-height: none;
    overflow: visible;
    padding-right: 0;
}
.product-description p {
    font-size: 15px;
    color: #475569;
    line-height: 1.6;
}
.btn-order {
  background: var(--gradient-accent);
  color: white;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}

.btn-order:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(249, 115, 22, 0.3);
}