/* 产品列表页：侧栏分类树与产品网格（不依赖未编译的 Tailwind 宽度/透明度类） */

html:has(#product-catalog) {
  scroll-behavior: auto;
}

#product-catalog {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  scroll-margin-top: 7rem;
}

.product-catalog__sidebar,
.product-catalog__main {
  min-width: 0;
}

/* 主内容区：随当前页产品数量自然撑开，不再预留固定 5 行高度（分页后易留白） */
.product-catalog__main {
  --catalog-card-row-height: 18rem;
  --catalog-grid-row-gap: 1.5rem;
}

.product-catalog__main.is-loading {
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.product-catalog__panel {
  border-radius: 0.75rem;
  border: 1px solid var(--color-stroke, #e5e7eb);
  background: #fff;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.dark .product-catalog__panel {
  border-color: var(--color-dark-3, #374151);
  background: var(--color-dark-2, #1f2937);
}

.product-catalog-tree {
  font-size: 0.875rem;
}

.product-catalog-tree__branches {
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0;
}

.product-catalog-tree__branch {
  margin: 0;
}

.product-catalog-tree__row {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.product-catalog-tree__toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  border-radius: 0.375rem;
  background: transparent;
  color: var(--color-body-color, #637381);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dark .product-catalog-tree__toggle {
  color: var(--color-dark-6, #9ca3af);
}

.product-catalog-tree__toggle:hover {
  background: var(--color-gray-1, #f3f4f6);
  color: var(--color-primary, #3056d3);
}

.dark .product-catalog-tree__toggle:hover {
  background: var(--color-dark-3, #374151);
}

.product-catalog-tree__chevron {
  width: 1rem;
  height: 1rem;
  transition: transform 0.2s ease;
}

.product-catalog-tree__branch.is-expanded > .product-catalog-tree__row .product-catalog-tree__chevron,
.product-catalog-tree__leaf.is-expanded > .product-catalog-tree__row .product-catalog-tree__chevron {
  transform: rotate(180deg);
}

.product-catalog-tree__children {
  list-style: none;
  margin: 0.125rem 0 0.5rem 0;
  padding: 0 0 0 0.5rem;
  border-left: 1px solid var(--color-stroke, #e5e7eb);
  display: none;
}

.dark .product-catalog-tree__children {
  border-left-color: var(--color-dark-3, #374151);
}

/* 仅展开直接子级列表，避免误展开嵌套分支 */
.product-catalog-tree__branch.is-expanded > .product-catalog-tree__children,
.product-catalog-tree__leaf.is-expanded > .product-catalog-tree__children {
  display: block;
}

.product-catalog-tree__leaf {
  margin: 0;
}

.product-catalog-tree__link {
  display: block;
  flex: 1;
  min-width: 0;
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  line-height: 1.4;
  color: var(--color-body-color, #637381);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dark .product-catalog-tree__link {
  color: var(--color-dark-6, #9ca3af);
}

.product-catalog-tree__link:hover {
  background: var(--color-gray-1, #f3f4f6);
  color: var(--color-primary, #3056d3);
}

.dark .product-catalog-tree__link:hover {
  background: var(--color-dark-3, #374151);
  color: var(--color-primary, #3056d3);
}

/* 当前分类/产品高亮：服务端渲染 is-active，不依赖 Tailwind 透明度工具类 */
.product-catalog-tree__link.is-active {
  background: color-mix(in oklab, var(--color-primary, #3056d3) 10%, transparent);
  color: var(--color-primary, #3056d3);
  font-weight: 500;
}

.product-catalog-tree__link--root,
.product-catalog-tree__link--category {
  font-weight: 500;
}

.product-catalog-tree__link--product {
  font-size: 0.8125rem;
  padding-left: 0.625rem;
}

@media (min-width: 1024px) {
  #product-catalog {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }

  .product-catalog__sidebar {
    width: 280px;
    flex-shrink: 0;
  }

  .product-catalog__main {
    flex: 1;
  }

  .product-catalog__panel {
    position: sticky;
    top: 7rem;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
  }
}

.product-tab-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1.5rem;
}

.product-catalog__main .product-tab-grid__item {
  display: flex;
}

.product-catalog__main .product-tab-grid__item > .magic-card {
  flex: 1;
  width: 100%;
  min-height: var(--catalog-card-row-height, 18rem);
}

.product-tab-grid__media--fit {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}

.product-tab-grid__photo {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
}

.product-tab-grid--related {
  margin-top: 0;
}

/* 产品详情图：Tailwind 任意高度类未编译，需显式约束容器与图片尺寸 */
.product-detail-panel__hero-media {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 280px;
  padding: 1.5rem;
  overflow: hidden;
}

.product-detail-panel__detail-media {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  overflow: hidden;
}

.product-detail-panel__photo {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@media (min-width: 768px) {
  .product-detail-panel__hero-media {
    height: 360px;
  }

  .product-detail-panel__hero-media--page {
    height: 380px;
  }
}

@media (min-width: 640px) {
  .product-tab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .product-detail-panel__hero-media--page {
    height: 420px;
  }

  .product-tab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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