/* =========================================================
   site.css — Hugo 站点专属样式
   大部分样式由 frontend/build/css/main.css 提供
   这里只放 site-specific 微调
   ========================================================= */

main.container {
  min-height: calc(100vh - 200px);
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

.container,
.section,
.source-list,
.source-group,
.source-files,
.source-file,
.source-file__link {
  min-width: 0;
}

/* 文章正文最大宽度 */
.article {
  max-width: var(--container-md);
  margin: 0 auto;
}

/* 表格 hover 高亮 */
.prose tbody tr:hover {
  background: var(--bg-surface);
}

/* 引用块的 Markdown emoji 更突出 */
.prose blockquote p {
  margin-bottom: var(--space-2);
}
.prose blockquote p:last-child {
  margin-bottom: 0;
}

/* 时间元信息图标对齐 */
.article__meta time::before {
  content: "";
  display: inline-block;
  width: 1em;
}

/* 防止 markdown 图片溢出 */
.prose img {
  max-width: 100%;
  height: auto;
}

/* =========================================================
   archive-toolbar 折叠/展开
   ========================================================= */
.archive-toolbar__header {
  align-items: center;
  border-bottom: 1px solid var(--divider, #f3f4f6);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  margin: -0.75rem -0.75rem 0;       /* 抵消外层 padding */
  padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
  user-select: none;
}
.archive-toolbar[data-collapsed="true"] .archive-toolbar__header {
  border-bottom: 0;
  margin-bottom: 0;
}
.archive-toolbar__title {
  color: var(--text-secondary, #4b5563);
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.archive-toolbar__toggle {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm, 0.25rem);
  color: var(--text-tertiary, #9ca3af);
  cursor: pointer;
  display: inline-flex;
  height: 1.5rem;
  justify-content: center;
  padding: 0;
  transition: background var(--duration-fast) var(--ease-default),
              color      var(--duration-fast) var(--ease-default);
  width: 1.5rem;
}
.archive-toolbar__toggle:hover {
  background: var(--bg-surface, #f9fafb);
  color: var(--text-primary, #111827);
}
.archive-toolbar__toggle-icon {
  height: 1rem;
  width: 1rem;
}
.archive-toolbar__toggle-icon--expand { display: none; }
.archive-toolbar[data-collapsed="true"] .archive-toolbar__toggle-icon--collapse { display: none; }
.archive-toolbar[data-collapsed="true"] .archive-toolbar__toggle-icon--expand    { display: inline-block; }
.archive-toolbar__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 0.5rem);
  margin-top: var(--space-3, 0.75rem);
  max-height: none;
  opacity: 1;
  overflow: visible;
  padding: 0 var(--space-1, 0.25rem);
  transition: max-height 0.3s var(--ease-default, ease),
              opacity    0.2s var(--ease-default, ease),
              margin-top 0.3s var(--ease-default, ease);
}
.archive-toolbar[data-collapsed="false"] .archive-toolbar__body {
  overflow: visible;
}
.archive-toolbar[data-collapsed="true"] .archive-toolbar__body {
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}
.archive-toolbar__row {
  align-items: flex-start;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, 0.5rem);
  justify-content: flex-start;
  text-align: left;
}
.archive-toolbar__row .archive-toolbar__label {
  align-self: center;
  color: var(--text-secondary, #4b5563);
  flex-shrink: 0;
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  min-width: 3em;
  text-align: left;
  text-transform: uppercase;
}
.archive-toolbar__group {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1, 0.25rem);
  justify-content: flex-start;
  text-align: left;
}

/* =========================================================
   archive-toolbar 移动端下滑自动折叠
   ========================================================= */
@media (max-width: 768px) {
  /* 移动端：默认展开，滚动后自动折叠，再回到顶部自动展开 */
  .archive-toolbar.is-auto-collapsed .archive-toolbar__body {
    margin-top: 0;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
  }
  .archive-toolbar.is-auto-collapsed .archive-toolbar__header {
    border-bottom: 0;
    margin-bottom: 0;
  }
  .archive-toolbar.is-auto-collapsed .archive-toolbar__toggle-icon--collapse { display: none; }
  .archive-toolbar.is-auto-collapsed .archive-toolbar__toggle-icon--expand    { display: inline-block; }
  .archive-toolbar.is-auto-collapsed .archive-toolbar__toggle { color: var(--accent-primary, #3b82f6); }
}

/* =========================================================
   搜索页：search-results-page__field（简约输入框）
   ========================================================= */
.search-results-page__field {
  align-items: center;
  background: var(--bg-elevated, #fff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 9999px;        /* 全圆角，简约 */
  box-shadow: var(--shadow-xs, 0 1px 2px rgba(0,0,0,.04));
  display: flex;
  gap: var(--space-2, 0.5rem);
  padding: var(--space-2, 0.5rem) var(--space-2, 0.5rem) var(--space-2, 0.5rem) var(--space-5, 1.25rem);
  position: relative;
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow   var(--duration-fast) var(--ease-default);
}
.search-results-page__field:focus-within {
  border-color: var(--accent-primary, #3b82f6);
  box-shadow: 0 0 0 3px var(--accent-primary-soft, #dbeafe),
              var(--shadow-sm, 0 1px 3px rgba(0,0,0,.08));
}
.search-results-page__field .search-results-page__icon {
  align-items: center;
  color: var(--text-tertiary, #9ca3af);
  display: inline-flex;
  flex-shrink: 0;
  pointer-events: none;
  transition: color var(--duration-fast) var(--ease-default);
}
.search-results-page__field:focus-within .search-results-page__icon {
  color: var(--accent-primary, #3b82f6);
}
.search-results-page__field .search-results-page__icon .inline-icon {
  height: 1.1rem;
  width: 1.1rem;
}
.search-results-page__field .search-results-page__input {
  background: transparent;
  border: none;
  color: var(--text-primary, #111827);
  flex: 1;
  font-family: inherit;
  font-size: 1rem;
  min-width: 0;
  outline: none;
  padding: var(--space-2, 0.5rem) 0;
}
.search-results-page__field .search-results-page__input::-moz-placeholder {
  color: var(--text-tertiary, #9ca3af);
}
.search-results-page__field .search-results-page__input::placeholder {
  color: var(--text-tertiary, #9ca3af);
}
.search-results-page__field .search-results-page__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

/* meta 区（行数 / 关键字），用更柔和的样式 */
.search-results-page__meta {
  align-items: center;
  color: var(--text-tertiary, #9ca3af);
  display: flex;
  flex-wrap: wrap;
  font-size: var(--text-xs, 0.75rem);
  gap: var(--space-3, 0.75rem);
  margin: var(--space-2, 0.5rem) var(--space-4, 1rem) var(--space-4, 1rem);
  min-height: 1.5rem;
}
.search-results-page__meta strong {
  color: var(--text-primary, #111827);
  font-weight: 600;
}
.search-results-page__meta .meta-empty {
  color: var(--text-tertiary, #9ca3af);
  font-style: italic;
}

/* hint 区（empty/loading/noresult/error/noindex）居中、简约 */
.search-results-page__hint {
  align-items: center;
  color: var(--text-secondary, #4b5563);
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 0.75rem);
  padding: var(--space-12, 3rem) var(--space-4, 1rem);
  text-align: center;
}
.search-results-page__hint .hint-icon {
  align-items: center;
  background: var(--bg-surface, #f9fafb);
  border-radius: 50%;
  color: var(--text-tertiary, #9ca3af);
  display: inline-flex;
  height: 3.5rem;
  justify-content: center;
  width: 3.5rem;
}
.search-results-page__hint .hint-icon .inline-icon {
  height: 1.75rem;
  width: 1.75rem;
}
.search-results-page__hint .hint-text p {
  margin: 0;
}
.search-results-page__hint .hint-text .hint-secondary {
  color: var(--text-tertiary, #9ca3af);
  font-size: var(--text-sm, 0.875rem);
  margin-top: var(--space-1, 0.25rem);
}

/* 搜索结果卡片（更紧凑、圆角更小） */
.search-results-page__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 0.75rem);
}
.search-result-card {
  background: var(--bg-elevated, #fff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: var(--radius-md, 0.5rem);
  padding: var(--space-4, 1rem);
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow   var(--duration-fast) var(--ease-default);
}
.search-result-card:hover {
  border-color: var(--accent-primary, #3b82f6);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.08));
}
.search-result-card__head {
  align-items: center;
  display: flex;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-2, 0.5rem);
}
.search-result-card__title {
  color: var(--text-primary, #111827);
  flex: 1;
  font-size: var(--text-lg, 1.125rem);
  font-weight: 600;
  min-width: 0;
  text-decoration: none;
}
.search-result-card__title:hover {
  color: var(--accent-primary, #3b82f6);
}
.search-result-card__section {
  background: var(--bg-surface, #f9fafb);
  border-radius: var(--radius-sm, 0.25rem);
  color: var(--text-tertiary, #9ca3af);
  font-size: var(--text-xs, 0.75rem);
  padding: 0.125rem 0.5rem;
}
.search-result-card__excerpt {
  color: var(--text-secondary, #4b5563);
  font-size: var(--text-sm, 0.875rem);
  line-height: 1.6;
  margin-bottom: var(--space-2, 0.5rem);
}
.search-result-card__excerpt mark {
  background: rgba(59, 130, 246, 0.15);
  border-radius: 2px;
  color: var(--accent-primary, #3b82f6);
  font-weight: 600;
  padding: 0 2px;
}
.search-result-card__meta {
  align-items: center;
  color: var(--text-tertiary, #9ca3af);
  display: flex;
  flex-wrap: wrap;
  font-size: var(--text-xs, 0.75rem);
  gap: var(--space-2, 0.5rem);
}
.search-result-card__meta .tag {
  background: var(--bg-surface, #f9fafb);
  color: var(--text-secondary, #4b5563);
  font-weight: 400;
}
.search-result-card__score {
  margin-left: auto;
}
.error-404 {
  text-align: center;
  padding: 4rem 1rem;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.error-404__wrap {
  max-width: 32rem;
}
.error-404__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: var(--bg-surface, #f4f4f5);
  color: var(--text-secondary, #71717a);
}
.error-404__icon .inline-icon {
  width: 2.5rem;
  height: 2.5rem;
}
.error-404__code {
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  margin: 0 0 0.5rem;
  color: var(--text-primary, #18181b);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ef4444, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.error-404__title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text-primary, #18181b);
}
.error-404__hint {
  font-size: 1rem;
  color: var(--text-secondary, #71717a);
  margin: 0 0 2rem;
}
.error-404__hint a {
  color: var(--accent, #3b82f6);
  text-decoration: none;
  font-weight: 500;
}
.error-404__hint a:hover {
  text-decoration: underline;
}
.error-404__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
}
.error-404__details {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--bg-surface, #f4f4f5);
  border-radius: 0.5rem;
  text-align: left;
}
.error-404__details summary {
  cursor: pointer;
  color: var(--text-secondary, #71717a);
  font-size: 0.875rem;
  user-select: none;
}
.error-404__details code {
  display: block;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--bg-base, #fff);
  border-radius: 0.25rem;
  font-size: 0.875rem;
  word-break: break-all;
  color: var(--text-primary, #18181b);
}

/* =========================================================
   404 倒计时
   ========================================================= */
.error-404__countdown {
  align-items: center;
  background: var(--bg-surface, #f4f4f5);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 9999px;
  color: var(--text-secondary, #71717a);
  display: inline-flex;
  font-size: 0.875rem;
  gap: 0.5rem;
  margin: 0 auto 2rem;
  padding: 0.625rem 1.25rem;
  transition: all 0.2s ease;
  user-select: none;
}
.error-404__countdown:hover {
  background: var(--bg-elevated, #fff);
  border-color: var(--accent-primary, #3b82f6);
  color: var(--text-primary, #18181b);
  cursor: pointer;
  transform: translateY(-1px);
}
.error-404__countdown.is-cancelled {
  background: var(--bg-elevated, #fff);
  border-color: var(--color-success, #10b981);
  color: var(--color-success, #10b981);
  cursor: default;
}
.error-404__countdown-icon {
  animation: countdown-rotate 1s linear infinite;
  height: 1.1rem;
  width: 1.1rem;
}
.error-404__countdown.is-cancelled .error-404__countdown-icon {
  animation: none;
  color: var(--color-success, #10b981);
}
@keyframes countdown-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.error-404__countdown-text {
  white-space: nowrap;
}
.error-404__countdown-text strong {
  color: var(--accent-primary, #3b82f6);
  display: inline-block;
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  margin: 0 0.125rem;
  min-width: 1.5em;
  text-align: center;
}
.error-404__countdown-text a {
  color: var(--accent-primary, #3b82f6);
  font-weight: 500;
  text-decoration: none;
}
.error-404__countdown-text a:hover {
  text-decoration: underline;
}

/* =========================================================
   资源下载页（/source/）— 文件列表
   ========================================================= */
.source-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2, 0.5rem);
  padding: var(--space-3, 0.75rem);
  background: var(--bg-surface, #f9fafb);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: var(--radius-md, 0.5rem);
  margin-bottom: var(--space-4, 1rem);
}
.source-toolbar__hint {
  color: var(--text-secondary, #4b5563);
  font-size: var(--text-sm, 0.875rem);
  margin-right: var(--space-1, 0.25rem);
}
.source-toolbar__btn {
  background: var(--bg-elevated, #fff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: var(--radius-sm, 0.25rem);
  color: var(--text-secondary, #4b5563);
  cursor: pointer;
  font-size: var(--text-sm, 0.875rem);
  padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
  transition: background var(--duration-fast, 150ms) var(--ease-default, ease),
              border-color var(--duration-fast, 150ms) var(--ease-default, ease),
              color var(--duration-fast, 150ms) var(--ease-default, ease);
}
.source-toolbar__btn:hover {
  background: var(--bg-secondary, #f3f4f6);
  border-color: var(--border-strong, #d1d5db);
  color: var(--text-primary, #111827);
}
.source-toolbar__btn.is-active {
  background: var(--accent-primary, #3b82f6);
  border-color: var(--accent-primary, #3b82f6);
  color: var(--text-inverse, #fff);
}

.source-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.source-group {
  margin-bottom: var(--space-6, 1.5rem);
}
.source-group__title {
  align-items: baseline;
  border-bottom: 2px solid var(--accent-primary, #3b82f6);
  color: var(--text-primary, #111827);
  display: flex;
  font-size: var(--text-lg, 1.125rem);
  font-weight: 600;
  gap: var(--space-2, 0.5rem);
  margin: 0 0 var(--space-3, 0.75rem);
  padding-bottom: var(--space-2, 0.5rem);
}
.source-group__count {
  color: var(--text-tertiary, #9ca3af);
  font-size: var(--text-sm, 0.875rem);
  font-weight: 400;
}
.source-files {
  display: grid;
  gap: var(--space-2, 0.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.source-file {
  list-style: none;
}
.source-file__link {
  align-items: center;
  background: var(--bg-elevated, #fff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: var(--radius-md, 0.5rem);
  color: var(--text-primary, #111827);
  display: flex;
  gap: var(--space-3, 0.75rem);
  padding: var(--space-3, 0.75rem);
  text-decoration: none;
  transition: background var(--duration-fast, 150ms) var(--ease-default, ease),
              border-color var(--duration-fast, 150ms) var(--ease-default, ease),
              transform var(--duration-fast, 150ms) var(--ease-default, ease);
}
.source-file__link:hover {
  background: var(--bg-surface, #f9fafb);
  border-color: var(--accent-primary, #3b82f6);
  transform: translateY(-1px);
}
.source-file__icon {
  align-items: center;
  background: var(--bg-secondary, #f3f4f6);
  border-radius: var(--radius-sm, 0.25rem);
  color: var(--text-secondary, #4b5563);
  display: inline-flex;
  flex-shrink: 0;
  height: 2.5rem;
  justify-content: center;
  width: 2.5rem;
}
.source-file__icon svg {
  height: 1.25rem;
  width: 1.25rem;
}
.source-file__icon--archive { color: var(--color-warning, #f59e0b); background: rgba(245, 158, 11, 0.1); }
.source-file__icon--image   { color: var(--accent-primary, #3b82f6); background: rgba(59, 130, 246, 0.1); }
.source-file__icon--video   { color: var(--color-danger, #ef4444); background: rgba(239, 68, 68, 0.1); }
.source-file__icon--audio   { color: var(--color-success, #10b981); background: rgba(16, 185, 129, 0.1); }
.source-file__icon--data    { color: var(--accent-primary, #3b82f6); background: rgba(59, 130, 246, 0.1); }
.source-file__icon--doc     { color: var(--text-secondary, #4b5563); }
.source-file__main {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-1, 0.25rem);
  min-width: 0;
}
.source-file__name {
  color: var(--text-primary, #111827);
  font-size: var(--text-base, 1rem);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.source-file__meta {
  align-items: center;
  color: var(--text-tertiary, #9ca3af);
  display: flex;
  flex-wrap: wrap;
  font-size: var(--text-xs, 0.75rem);
  gap: var(--space-1, 0.25rem);
}
.source-file__date {
  font-variant-numeric: tabular-nums;
}
.source-file__actions {
  align-items: center;
  display: inline-flex;
  flex-shrink: 0;
  gap: var(--space-1, 0.25rem);
}
.source-file__action {
  align-items: center;
  border-radius: var(--radius-sm, 0.25rem);
  color: var(--text-tertiary, #9ca3af);
  display: inline-flex;
  height: 2rem;
  justify-content: center;
  transition: background var(--duration-fast, 150ms) var(--ease-default, ease),
              color var(--duration-fast, 150ms) var(--ease-default, ease);
  width: 2rem;
}
.source-file__action svg {
  height: 1.25rem;
  width: 1.25rem;
}
.source-file__action:hover,
.source-file__action:focus-visible {
  background: var(--accent-primary-soft, #dbeafe);
  color: var(--accent-primary, #3b82f6);
  outline: none;
}
.source-file__download:hover,
.source-file__download:focus-visible {
  background: var(--bg-secondary, #f3f4f6);
}

@media (max-width: 640px) {
  main.container {
    padding-left: var(--space-3, 0.75rem);
    padding-right: var(--space-3, 0.75rem);
  }
  .source-file__link {
    gap: var(--space-2, 0.5rem);
    padding: var(--space-2, 0.5rem);
  }
  .source-file__main {
    flex: 1 1 auto;
    overflow: hidden;
    width: 0;
  }
  .source-file__name {
    max-width: 100%;
  }
  .source-toolbar {
    padding: var(--space-2, 0.5rem);
  }
  .source-toolbar__btn {
    font-size: var(--text-xs, 0.75rem);
    padding: var(--space-1, 0.25rem) var(--space-2, 0.5rem);
  }
  .source-file__icon {
    height: 2rem;
    width: 2rem;
  }
  .source-file__actions {
    gap: 0;
  }
  .source-file__action {
    height: 1.875rem;
    width: 1.875rem;
  }
}

/* LeoNote index and reading refinements */
.archive-toolbar,
.archive-toolbar__body,
.archive-toolbar__row,
.archive-toolbar__group {
  text-align: left;
}

.archive-toolbar__row,
.archive-toolbar__group {
  justify-content: flex-start !important;
}

.archive-toolbar__btn {
  text-align: left;
}

.archive-tree-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-3, 0.75rem);
}

.article__reading-title {
  display: none;
}

body.reading-mode .article__reading-title {
  display: block;
  margin: 0 0 var(--space-8, 2rem);
  color: var(--text-primary);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.2;
}


/* Archive alignment, compact tree views, and scroll affordance */
.archive-toolbar,
.archive-toolbar__header,
.archive-toolbar__body,
.archive-toolbar__row,
.archive-toolbar__label,
.archive-toolbar__group,
.archive-toolbar__btn,
.archive-alpha-nav,
.archive-alpha-groups {
  text-align: left !important;
}

.archive-toolbar__header,
.archive-toolbar__row,
.archive-toolbar__group,
.archive-alpha-nav,
.archive-tree-actions {
  justify-content: flex-start !important;
}

.archive-toolbar__label {
  align-self: flex-start !important;
  padding-top: 0.4rem;
}

.archive-toolbar__group {
  flex: 1 1 14rem;
  min-width: 0;
}

.archive-toolbar__btn {
  justify-content: flex-start !important;
}

.archive-view--tree {
  overflow-anchor: none;
}

.archive-tree__item > a {
  grid-template-columns: auto minmax(0, 1fr) auto !important;
}

.archive-tree__date {
  min-width: 6.25rem;
  text-align: right;
}

.archive-tree__words,
.archive-alpha-group__meta .text-sm {
  display: none !important;
}

.archive-filetree {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg, 0.5rem);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace);
  font-size: var(--text-sm, 0.875rem);
  line-height: 1.7;
  overflow-x: auto;
  padding: var(--space-4, 1rem);
  white-space: nowrap;
}

.archive-filetree__row {
  display: flex;
  min-height: 1.7em;
  align-items: center;
}


.archive-filetree__node {
  margin: 0;
}

.archive-filetree__node > summary {
  cursor: pointer;
  list-style: none;
}

.archive-filetree__node > summary::-webkit-details-marker {
  display: none;
}

.archive-filetree__indicator {
  color: var(--text-tertiary);
  display: inline-flex;
  flex: 0 0 1.25em;
  justify-content: center;
  width: 1.25em;
}

.archive-filetree__indicator::before {
  content: "-";
}

.archive-filetree__node:not([open]) > summary .archive-filetree__indicator::before {
  content: "+";
}

.archive-filetree__indicator--file::before {
  content: "";
}

.archive-filetree__row--root,
.archive-filetree__row--dir {
  color: var(--text-secondary);
  font-weight: 600;
}

.archive-filetree__branch {
  color: var(--text-tertiary);
  flex: 0 0 auto;
  white-space: pre;
}

.archive-filetree__name {
  flex: 0 0 auto;
}

.archive-filetree__link {
  color: var(--text-primary);
  text-decoration: none;
}

.archive-filetree__link:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.archive-back-top {
  align-items: center;
  background: var(--accent-primary);
  border: 0;
  border-radius: 999px;
  bottom: var(--space-5, 1.25rem);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  color: var(--bg-page);
  cursor: pointer;
  display: inline-flex;
  font-size: 1.25rem;
  height: 2.75rem;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  right: var(--space-5, 1.25rem);
  transition: opacity 0.2s var(--ease-default, ease), transform 0.2s var(--ease-default, ease);
  transform: translateY(0.5rem);
  width: 2.75rem;
  z-index: 50;
}

.archive-back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .archive-toolbar__row {
    display: block;
  }

  .archive-toolbar__label {
    display: block;
    margin-bottom: var(--space-1, 0.25rem);
    padding-top: 0;
  }

  .archive-toolbar__group {
    align-items: flex-start;
    display: flex;
    width: 100%;
  }

  .archive-tree__item > a {
    gap: var(--space-2, 0.5rem);
    grid-template-columns: auto minmax(0, 1fr);
  }

  .archive-tree__date {
    grid-column: 2;
    justify-self: start;
    min-width: 0;
    text-align: left;
  }
}

/* 搜索框下拉结果和搜索页结果标题统一左对齐 */
.search-box__results,
.search-result,
.search-result__title,
.search-result__title a,
.search-result__excerpt,
.search-result__meta,
.search-result-card,
.search-result-card__head,
.search-result-card__title,
.search-result-card__excerpt,
.search-result-card__meta {
  text-align: left;
}

.search-result__title,
.search-result-card__head {
  justify-content: flex-start;
}

.footer__version {
  color: var(--text-tertiary, #9ca3af);
  white-space: nowrap;
}


.archive-toolbar__group[data-group="tag-filter"] {
  align-content: flex-start;
  row-gap: var(--space-2, 0.5rem);
}

.archive-toolbar__group[data-group="tag-filter"] .archive-toolbar__btn {
  max-width: 100%;
  white-space: normal;
  word-break: break-word;
}

@media (max-width: 768px) {
  .archive-toolbar__body {
    max-height: none;
    overflow: visible;
  }

  .archive-toolbar[data-collapsed="true"] .archive-toolbar__body,
  .archive-toolbar.is-auto-collapsed .archive-toolbar__body {
    max-height: 0;
    overflow: hidden;
  }

  .archive-toolbar__group[data-group="tag-filter"] .archive-toolbar__btn {
    flex: 0 1 auto;
    min-width: 0;
  }
}

/* =========================================================
   key 页面：按 key 排序的紧凑索引列表
   ========================================================= */
.key-list {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.key-list__header,
.key-list__row {
  display: grid;
  grid-template-columns: minmax(8rem, 14rem) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.key-list__header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  text-transform: uppercase;
}

.key-list__row {
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.key-list__row + .key-list__row {
  border-top: 1px solid var(--border-color);
}

.key-list__row:hover,
.key-list__row:focus-visible {
  background: var(--bg-surface);
  color: var(--accent-primary);
}

.key-list__key,
.key-list__title {
  min-width: 0;
}

.key-list__key code {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
  display: inline-block;
  font-size: var(--text-sm);
  max-width: 100%;
  overflow: hidden;
  padding: 0.15em 0.45em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.key-list__title {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .key-list__header {
    display: none;
  }

  .key-list__row {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
}