/* Category page — aligned with Vue categoryPageView.vue */

.category-page__heading {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}

.category-page {
  width: 100%;
  max-width: 1240px;
  padding: clamp(16px, 2.5vw, 30px) clamp(8px, 2vw, 16px) 16px;
  margin: 0 auto;
  box-sizing: border-box;
}

.category-data {
  width: 100%;
  margin-top: clamp(10px, 1.5vw, 16px);
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(12px, 2vw, 30px);
}

/* 器乐谱：与钢琴页一致的 2×2 网格（左：乐器树 + 筛选，右：轮播 + 商品） */
.category-data--sidebar {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: clamp(12px, 2vw, 30px);
  row-gap: clamp(10px, 1.5vw, 16px);
  align-items: start;
}

.category-data--sidebar .category-left--top {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  width: 100%;
}

.category-data--sidebar .category-left--bottom {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  width: 100%;
}

.category-data--sidebar .category-main--carousel {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  width: 100%;
}

.category-data--sidebar .category-main--products {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
  width: 100%;
}

.category-data--sidebar .category-main--products .category-cards__items {
  padding-top: 0;
}

/* 旗舰店乐谱：左栏独立 flex 列，右栏轮播+商品固定间距，左侧 leaf 展开不拉高右侧行轨 */
.category-data--flagship-sheet-music.category-data--sidebar {
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  grid-template-rows: auto;
  column-gap: clamp(12px, 2vw, 30px);
  row-gap: 0;
  align-items: start;
}

.category-data--flagship-sheet-music .category-flagship-sidebar-column {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.5vw, 16px);
  min-width: 0;
  width: 100%;
}

.category-data--flagship-sheet-music .category-flagship-sidebar-column .category-left--top,
.category-data--flagship-sheet-music .category-flagship-sidebar-column .category-left--bottom {
  grid-column: unset;
  grid-row: unset;
}

.category-data--flagship-sheet-music .category-flagship-main-column {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.5vw, 16px);
  min-width: 0;
  width: 100%;
  align-self: start;
}

.category-data--flagship-sheet-music .category-flagship-main-column .category-main--carousel,
.category-data--flagship-sheet-music .category-flagship-main-column .category-main--products {
  grid-column: unset;
  grid-row: unset;
}

.category-data--flagship-sheet-music.category-data--sidebar .category-main--products .category-cards__items {
  padding-top: 0;
  padding-bottom: 32px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.8vw, 16px);
}

.category-data--sidebar .category-left--bottom .category-card {
  margin-bottom: 0;
}

.category-left {
  width: 220px;
  max-width: 100%;
  flex: 0 0 auto;
  min-width: 0;
}

.category-card {
  width: 100%;
  border: 1px solid #e5ebe9;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  margin-bottom: clamp(10px, 1.5vw, 16px);
}

.category-card--format {
  margin-bottom: clamp(10px, 1.5vw, 12px);
}

.category-format-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(10px, 1.5vw, 12px);
}

.category-format-bar__btn {
  width: 100%;
  border: 1px solid #e5ebe9;
  border-radius: 8px;
  background: #fff;
  color: #555;
  font-size: clamp(13px, 1.05vw, 15px);
  font-weight: 500;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.category-format-bar__btn:hover {
  border-color: var(--color-vue-teal);
  color: var(--color-vue-teal);
}

.category-format-bar__btn--active {
  border-color: var(--color-vue-teal);
  background: rgba(0, 168, 150, 0.08);
  color: var(--color-vue-teal);
  font-weight: 600;
}


.category-card__head {
  font-size: clamp(14px, 1.2vw, 16px);
  font-weight: 600;
  color: #333;
  padding: clamp(8px, 1.2vw, 14px) clamp(12px, 1.5vw, 16px);
  border-bottom: 1px solid #e5ebe9;
  background: #fff;
}

.category-card__body {
  padding: clamp(10px, 1.5vw, 14px);
}

.category-loading-hint {
  color: #888;
  font-size: 13px;
  margin: 0;
}

.category-filters .category-filter-group__title {
  color: #666;
  font-size: clamp(12px, 1.05vw, 14px);
  font-weight: 600;
  padding-bottom: 8px;
}

.category-filter-divider {
  border: none;
  border-top: 1px solid #e5ebe9;
  margin: clamp(10px, 1.5vw, 14px) 0;
}

.category-filter-list .category-tree-row {
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 4px;
}

.category-tree-row__text {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.category-filter-row__num {
  color: #888;
  font-size: clamp(11px, 0.95vw, 13px);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
}

.category-tree-row.is-selected .category-filter-row__num {
  color: var(--color-vue-teal);
}

.category-filter-row.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  color: #666;
  font-weight: 400;
}

.category-filter-row.is-disabled:hover {
  color: #666;
  background: transparent;
}

.category-filter-row:not(.is-disabled) {
  color: #333;
  font-weight: 400;
}

.category-tree {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.category-tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  border: none;
  background: none;
  text-align: left;
  font-size: clamp(12px, 1.05vw, 14px);
  color: #333;
  border-radius: 6px;
  padding: 4px 6px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.category-tree-row:hover:not(.is-disabled),
.category-tree-row.is-selected {
  color: var(--color-vue-teal);
  background: rgba(50, 158, 140, 0.1);
}

.category-tree-row.is-selected {
  font-weight: 600;
}

.category-tree-row:focus-visible:not(.is-disabled) {
  outline: 2px solid rgba(50, 158, 140, 0.35);
  outline-offset: 1px;
}

.category-tree-chevron {
  flex-shrink: 0;
  color: #666;
}

.category-tree-chevron--empty {
  width: 14px;
}

.category-tree-item {
  font-size: clamp(12px, 1.05vw, 14px);
  color: #333;
  border-radius: 6px;
  padding: 4px 6px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.category-tree-item:hover,
.category-tree-item.is-selected {
  color: var(--color-vue-teal);
  background: rgba(50, 158, 140, 0.1);
}

.category-tree-item.is-selected {
  font-weight: 600;
}

.category-tree-children {
  padding-left: 16px;
}

.category-main {
  flex: 1;
  min-width: 0;
  width: auto;
}

.category-main--full {
  width: 100%;
}

.category-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 870 / 288;
  min-height: clamp(120px, 22vw, 288px);
  overflow: hidden;
  border-radius: 4px;
}

/* Nest 首页轮播内嵌到分类/搜索页 */
.category-carousel.carousel-page--embedded .carousel-box {
  margin-top: 0;
  padding: 0;
  height: 100%;
}

.category-carousel.carousel-page--embedded .carousel-surface {
  max-width: none;
  width: 100%;
  height: 100%;
  max-height: none;
  aspect-ratio: auto;
  border-radius: 4px;
  box-shadow: none;
}

.category-carousel.carousel-page--embedded .carousel-skeleton,
.category-carousel.carousel-page--embedded .carousel-surface--skeleton {
  height: 100%;
  min-height: clamp(120px, 22vw, 288px);
}

.category-carousel__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.category-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.category-carousel__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.category-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: #aaa;
  color: #fff;
  cursor: pointer;
  transition: background 0.3s, left 0.3s, right 0.3s;
}

.category-carousel__arrow:hover {
  background: var(--color-vue-teal);
}

.category-carousel__arrow--left {
  left: clamp(8px, 4vw, 50px);
}

.category-carousel__arrow--right {
  right: clamp(8px, 4vw, 50px);
}

.category-carousel:hover .category-carousel__arrow--left {
  left: 0;
}

.category-carousel:hover .category-carousel__arrow--right {
  right: 0;
}

.category-cards {
  position: relative;
  width: 100%;
  min-height: min(400px, 60vh);
  box-sizing: border-box;
}

.category-cards__items {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.8vw, 16px);
  padding: clamp(16px, 3vw, 32px) 0;
}

.category-cards__items.is-loading {
  opacity: 0.55;
  pointer-events: none;
}

.category-box {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid #eee;
  min-width: 0;
  height: 100%;
}

.category-box__img {
  position: relative;
  width: 100%;
  aspect-ratio: 210 / 297;
  padding: clamp(6px, 1vw, 10px);
  overflow: hidden;
  flex-shrink: 0;
}

.category-box:hover .category-box__img img {
  transform: scale(1.05);
}

.category-box__img img {
  transition: transform 0.3s;
}

.category-box__quick {
  position: absolute;
  right: -50px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: right 0.3s;
}

.category-box:hover .category-box__quick {
  right: 12px;
}

.category-box__quick-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  color: #fff;
  background: rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: background 0.3s;
}

.category-box__quick-btn:hover {
  background: var(--color-vue-teal);
}

.category-box__cart {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  cursor: pointer;
  transition: bottom 0.3s, background 0.3s;
  z-index: 9;
}

.category-box:hover .category-box__cart {
  bottom: 0;
}

.category-box__cart:hover {
  background: var(--color-vue-teal);
}

.category-box__info {
  padding: 8px 10px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.category-box__name {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 0;
  font-size: 13px;
  color: #666;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.category-box__name--title {
  font-size: 16px;
  color: #333;
  font-weight: 500;
}

.category-box__name:hover {
  color: var(--color-vue-teal);
}

.category-box__price {
  margin-top: auto;
  padding-top: 6px;
  font-size: 15px;
  color: var(--color-vue-teal);
  font-weight: 600;
}

.category-box__price-old {
  margin-left: 8px;
  font-size: 12px;
  color: #999;
  text-decoration: line-through;
  font-weight: 400;
}

.category-box--member:hover .category-box__img img {
  transform: none;
}

.category-box__name--static {
  cursor: default;
}

.category-box__name--static:hover {
  color: inherit;
}

.category-box--member .category-box__name--title.category-box__name--static:hover {
  color: #333;
}

.category-box--member .category-box__info {
  flex-grow: 0;
}

/* 演奏媒介 / 编制各占一行；下载按钮占右侧空白（跨两行居中） */
.category-box__member-meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 8px;
  row-gap: 2px;
  align-items: center;
  min-width: 0;
}

.category-box__member-meta-grid .category-box__name {
  width: auto;
  max-width: 100%;
}

.category-box__member-meta-medium {
  grid-column: 1;
  grid-row: 1;
}

.category-box__member-meta-scoring {
  grid-column: 1;
  grid-row: 2;
}

.category-box__member-meta-scoring--first {
  grid-row: 1;
}

.category-box__member-meta-download {
  grid-column: 2;
  grid-row: 1 / -1;
  align-self: center;
  flex-shrink: 0;
}

.category-box__download-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--color-vue-teal);
  border-radius: 4px;
  background: #fff;
  color: var(--color-vue-teal);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  padding: 6px 10px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.category-box__download-btn:hover:not(:disabled) {
  background: var(--color-vue-teal);
  color: #fff;
}

.category-box__download-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.category-box__download-btn--locked {
  border-color: #bbb;
  color: #888;
  background: #f5f5f5;
}

.category-box__download-btn--locked:hover:not(:disabled) {
  background: #f5f5f5;
  color: #888;
}

.category-empty {
  text-align: center;
  color: #888;
  padding: 48px 0;
}

.category-spin {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
}

.category-pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
}

.category-pagination__info {
  margin: 0;
  font-size: 14px;
  color: #666;
}

.category-pagination__total {
  margin: 0;
  font-size: 14px;
  color: #666;
}

.category-pagination__total-count {
  color: var(--color-vue-teal);
  font-weight: 600;
}

.category-pagination__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.category-pagination__nav,
.category-pagination__page,
.category-pagination__jump-go {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid #e5ebe9;
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  color: #333;
}

.category-pagination__page {
  min-width: 36px;
  padding: 0;
}

.category-pagination__nav {
  width: 36px;
  padding: 0;
  font-size: 18px;
}

.category-pagination__nav:disabled,
.category-pagination__page:disabled,
.category-pagination__jump-go:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.category-pagination__nav:not(:disabled):hover,
.category-pagination__page:not(.is-active):hover,
.category-pagination__jump-go:hover {
  border-color: var(--color-vue-teal);
  color: var(--color-vue-teal);
}

.category-pagination__page.is-active {
  border-color: var(--color-vue-teal);
  background: var(--color-vue-teal);
  color: #fff;
}

.category-pagination__jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
}

.category-pagination__jump-label,
.category-pagination__jump-unit {
  font-size: 14px;
  color: #666;
}

.category-pagination__jump-input {
  width: 56px;
  height: 36px;
  border: 1px solid #e5ebe9;
  border-radius: 4px;
  text-align: center;
  font-size: 14px;
  color: #333;
}

.category-pagination__jump-input:focus {
  outline: none;
  border-color: var(--color-vue-teal);
}

.category-pagination__jump-go {
  font-size: 14px;
}

@media (min-width: 1025px) {
  .category-data--sidebar {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 30px;
  }

  .category-data--sidebar .category-left--top,
  .category-data--sidebar .category-left--bottom {
    width: 300px;
  }

  .category-data--sidebar .category-main--carousel .category-carousel {
    height: 288px;
    min-height: 288px;
    max-height: 288px;
    aspect-ratio: unset;
  }

  .category-data--sidebar .category-main--products .category-cards__items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-gap: 16px;
    padding: 0 0 32px;
  }

  .category-data--flagship-sheet-music.category-data--sidebar {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    column-gap: 30px;
  }

  .category-data--flagship-sheet-music .category-flagship-sidebar-column {
    width: 300px;
  }

  .category-data--flagship-sheet-music .category-flagship-main-column .category-main--carousel .category-carousel {
    height: 288px;
    min-height: 288px;
    max-height: 288px;
    aspect-ratio: unset;
  }

  .category-data--flagship-sheet-music.category-data--sidebar .category-main--products .category-cards__items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-gap: 16px;
    padding: 0 0 32px;
  }
}

@media (max-width: 1024px) {
  .category-data--sidebar {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .category-data:not(.category-data--sidebar) {
    flex-direction: column;
  }

  .category-data--sidebar {
    grid-template-columns: minmax(0, 175px) minmax(0, 1fr);
  }

  .category-left {
    width: 100%;
  }

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

@media (max-width: 520px) {
  .category-cards__items {
    grid-template-columns: 1fr;
  }
}