/* 石材集合页 - 参考 Lapicida collection */
.stone-page {
  padding: calc(var(--space-lg) + 3.5rem) var(--space-lg) var(--space-2xl);
  max-width: 1400px;
  margin: 0 auto;
}

.stone-breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

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

.stone-breadcrumb-sep {
  margin: 0 0.35rem;
}

.stone-breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

.stone-collection-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.stone-collection-intro {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 720px;
}

/* 主体布局：左侧筛选 + 右侧产品 */
.stone-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* ===== 筛选侧栏 ===== */
.stone-filters {
  position: sticky;
  top: 6rem;
  padding: var(--space-md) 0;
  border-right: 1px solid var(--color-border);
}

.stone-filters-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.stone-filters-header h2 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
}

.stone-filters-close {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted);
}

.stone-filter-group {
  border-bottom: 1px solid var(--color-border);
}

.stone-filter-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}

.stone-filter-toggle:hover {
  color: var(--color-accent);
}

.stone-filter-count {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.stone-filter-options {
  padding-bottom: var(--space-sm);
}

.stone-filter-options label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.stone-filter-options label:hover {
  color: var(--color-text);
}

.stone-filter-options input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-accent);
}

.stone-filter-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.stone-filter-clear,
.stone-filter-apply {
  padding: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.stone-filter-clear {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.stone-filter-clear:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.stone-filter-apply {
  background: var(--color-text);
  border: none;
  color: var(--color-bg);
}

.stone-filter-apply:hover {
  background: var(--color-accent);
}

/* ===== 产品区 ===== */
.stone-main {
  min-width: 0;
}

.stone-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stone-filters-open {
  display: none;
  padding: var(--space-xs) var(--space-sm);
  background: none;
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  cursor: pointer;
}

.stone-result-count {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.stone-result-count strong {
  color: var(--color-text);
}

/* 产品网格 */
.stone-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.stone-product-card {
  display: block;
  color: inherit;
  transition: opacity var(--transition);
}

.stone-product-card:hover {
  opacity: 0.85;
}

.stone-product-img {
  aspect-ratio: 1;
  background-size: cover;
  background-position: center;
  background-color: var(--color-border);
  margin-bottom: var(--space-sm);
}

.stone-product-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 0.25rem;
}

.stone-product-type {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.stone-product-price {
  font-size: 0.9rem;
  font-weight: 500;
}

/* 分页 */
.stone-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.stone-pagination-prev,
.stone-pagination-next,
.stone-pagination-num,
.stone-pagination-ellipsis {
  padding: 0.4rem 0.65rem;
  min-width: 2.25rem;
  text-align: center;
}

.stone-pagination-prev[aria-disabled="true"],
.stone-pagination-num.is-current {
  color: var(--color-text-muted);
  cursor: default;
}

.stone-pagination-num:not(.is-current):hover,
.stone-pagination-next:hover {
  color: var(--color-accent);
}

.stone-pagination-ellipsis {
  color: var(--color-text-muted);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .stone-products {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .stone-layout {
    grid-template-columns: 1fr;
  }

  .stone-filters {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    z-index: 200;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    padding: var(--space-lg);
    overflow-y: auto;
    transition: right var(--transition);
  }

  .stone-filters.is-open {
    right: 0;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  }

  .stone-filters-close {
    display: block;
  }

  .stone-filters-open {
    display: inline-block;
  }

  .stone-products {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .stone-collection-title {
    font-size: 1.5rem;
  }
}