.wiki-layout {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.wiki-header {
  text-align: center;
}

/* wikiページ(=entry layout)だけ幅を広げる */
.page-content > .wrapper {
  max-width: 1400px;
  margin-left: 0;
  margin-right: auto;
}

.wiki-sidebar {
  flex: 0 0 16rem;
}

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

.toc-sidebar {
  flex: 0 0 16rem;
  margin-left: auto;
}

.wiki-sidebar__inner {
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  padding: 0.75rem;
}

.wiki-sidebar__title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.wiki-sidebar__title,
.wiki-sidebar__meta {
  white-space: nowrap;
}

.wiki-sidebar__title a,
.wiki-sidebar__meta a {
  white-space: nowrap;
}

/* ── Search ── */
.wiki-search {
  position: relative;
  margin-bottom: 0.75rem;
}

.wiki-search__input {
  box-sizing: border-box;
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 4px;
  font-size: 0.875rem;
  background: transparent;
  color: inherit;
  outline: none;
}

.wiki-search__input:focus {
  border-color: rgba(0, 0, 0, 0.4);
}

.wiki-search__results {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 100;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 4px;
  max-height: 480px;
  overflow-y: auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.wiki-search__results.is-active {
  display: block;
}

.search-result-item {
  display: block;
  padding: 0.5rem 0.6rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.search-result-item:hover {
  background: rgba(0, 0, 0, 0.04);
}

.search-result-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: #333;
}

.search-result-summary {
  font-size: 0.75rem;
  color: #888;
  margin-top: 0.15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-no-results {
  padding: 0.5rem 0.6rem;
  font-size: 0.8rem;
  color: #aaa;
}

.search-result-preview {
  font-size: 0.85rem;
  color: #555;
  margin-top: 0.3rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  border-left: 2px solid #ddd;
  padding-left: 0.4rem;
}

.search-highlight {
  background: #fff3a8;
  color: inherit;
  padding: 0 0.1em;
  border-radius: 2px;
}

.dark-mode .search-highlight {
  background: #665d20;
  color: #e8e0b0;
}

.wiki-sidebar__list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.wiki-sidebar__item {
  margin: 0.25rem 0;
}

.wiki-sidebar__item.is-current {
  font-weight: 600;
}

.wiki-sidebar__meta {
  margin-top: 0.75rem;
  font-size: 0.9em;
}

.toc-sidebar__inner {
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  padding: 0.75rem;
}

.toc-sidebar__title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.toc-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.toc-list .toc-list {
  padding-left: 1rem;
  margin-top: 0.25rem;
}

.toc-item {
  margin: 0.25rem 0;
}

/* ── Prev / Next ── */
.wiki-prevnext {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.wiki-prevnext__prev,
.wiki-prevnext__next {
  text-decoration: none;
  font-size: 0.9rem;
  max-width: 45%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wiki-prevnext__next {
  margin-left: auto;
}

/* ── Footer ── */
.wiki-footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: #888;
}



/* ── Back to Top ── */
.wiki-backtotop {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 50%;
  background: #fff;
  color: #555;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.25s;
  z-index: 200;
}

.wiki-backtotop.is-visible {
  opacity: 1;
}

.wiki-backtotop:hover {
  background: #f5f5f5;
}

/* ── Dark Mode Toggle ── */
.wiki-darkmode-toggle {
  position: fixed;
  bottom: 4.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.wiki-darkmode-toggle:hover {
  background: #f5f5f5;
}

/* ── Dark Mode ── */
.dark-mode,
.dark-mode body,
.dark-mode .page-content,
.dark-mode .site-header,
.dark-mode .site-footer {
  background: #121212;
  color: #e0e0e0;
}

.dark-mode .wrapper {
  background: transparent;
}

.dark-mode a {
  color: #6cb6ff;
}

.dark-mode a:hover {
  color: #89ceff;
}

.dark-mode h1, .dark-mode h2, .dark-mode h3,
.dark-mode h4, .dark-mode h5, .dark-mode h6,
.dark-mode .post-title, .dark-mode .site-title {
  color: #f0f0f0;
}

.dark-mode .site-nav .page-link {
  color: #ddd;
}

.dark-mode .post-content {
  color: #e0e0e0;
}

.dark-mode .wiki-sidebar__inner,
.dark-mode .toc-sidebar__inner,
.dark-mode .wiki-search__results {
  border-color: rgba(255, 255, 255, 0.15);
  background: #222;
}

.dark-mode .wiki-search__input {
  border-color: rgba(255, 255, 255, 0.25);
  color: #eee;
  background: #222;
}

.dark-mode .wiki-search__input::placeholder {
  color: #888;
}

.dark-mode .wiki-search__input:focus {
  border-color: rgba(255, 255, 255, 0.4);
}

.dark-mode .wiki-search__results {
  background: #1e1e1e;
}

.dark-mode .search-result-item {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.dark-mode .search-result-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.dark-mode .search-result-title {
  color: #ddd;
}

.dark-mode .search-result-summary {
  color: #999;
}

.dark-mode .search-result-preview {
  color: #bbb;
  border-left-color: rgba(255,255,255,0.2);
}

.dark-mode .wiki-footer {
  border-top-color: rgba(255, 255, 255, 0.1);
  color: #999;
}

.dark-mode .wiki-prevnext {
  border-top-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .wiki-backtotop,
.dark-mode .wiki-darkmode-toggle {
  background: #333;
  border-color: rgba(255, 255, 255, 0.2);
  color: #ccc;
}

.dark-mode .wiki-backtotop:hover,
.dark-mode .wiki-darkmode-toggle:hover {
  background: #444;
}

.dark-mode .wiki-content a {
  color: #7ec8ff;
}

.dark-mode .post-content code,
.dark-mode .wiki-content code,
.dark-mode li code,
.dark-mode p code,
.dark-mode td code {
  background: #2d2d2d !important;
  color: #ffd700 !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  padding: 0.1em 0.3em !important;
  border-radius: 3px !important;
}

.dark-mode pre {
  background: #1e1e1e !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.dark-mode pre code {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: #e0e0e0 !important;
}

.dark-mode table {
  color: #d0d0d0;
  background: transparent;
}

.dark-mode th,
.dark-mode td {
  border-color: rgba(255, 255, 255, 0.15);
  background: transparent !important;
}

.dark-mode th {
  background: rgba(255, 255, 255, 0.05) !important;
}

.dark-mode table tr:nth-child(even) {
  background: transparent !important;
}

/* ── 醒目的分隔线 ── */
hr {
  border: none;
  border-top: 3px solid rgba(0, 0, 0, 0.2);
  margin: 1.5rem 0;
}

.dark-mode hr {
  border-top-color: rgba(255, 255, 255, 0.35);
}

.dark-mode .post-meta {
  color: #999;
}

.dark-mode blockquote {
  color: #c0c0c0;
  border-left-color: rgba(255, 255, 255, 0.2);
}

.dark-mode .site-footer {
  border-top-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .site-footer a {
  color: #6cb6ff;
}

.dark-mode .site-nav {
  background: transparent;
}

.dark-mode details {
  color: #d0d0d0;
}

.dark-mode .mermaid svg {
  background: #f8f8f8;
  border-radius: 6px;
  padding: 0.5rem;
}

/* ── 侧栏折叠按钮（手机/平板） ── */
.wiki-sidebar-toggle {
  display: none;
  width: 100%;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
}

.wiki-sidebar-toggle:hover {
  background: rgba(0, 0, 0, 0.04);
}

.dark-mode .wiki-sidebar-toggle {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ddd;
}

.dark-mode .wiki-sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* ── 移动端 TOC 折叠 ── */
.toc-sidebar-toggle {
  display: none;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
}

.dark-mode .toc-sidebar-toggle {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ddd;
}

/* ── 通用移动端辅助 ── */
.scrollable-table {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0;
  max-width: 100%;
}

.scrollable-table table {
  width: auto;
  min-width: 100%;
  max-width: none;
}

/* 滚动提示：浅色渐变指示可滚动 */
.scrollable-table::after {
  content: '';
  position: sticky;
  right: 0;
  top: 0;
  width: 2rem;
  height: 100%;
  background: linear-gradient(to left, rgba(0,0,0,0.06), transparent);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  float: right;
  margin-top: -100%;
}

.scrollable-table.is-scrollable::after {
  opacity: 1;
}

.dark-mode .scrollable-table::after {
  background: linear-gradient(to left, rgba(255,255,255,0.08), transparent);
}

/* ── 平板 ≤ 1024px ── */
@media (max-width: 1024px) {
  .wiki-sidebar {
    flex: 0 0 14rem;
  }

  .toc-sidebar {
    flex: 0 0 14rem;
  }
}

/* ── 小屏 ≤ 768px ── */
@media (max-width: 768px) {
  .wiki-layout {
    display: block;
  }

  /* 侧栏折叠 */
  .wiki-sidebar-toggle {
    display: block;
  }

  .wiki-sidebar {
    display: none;
    flex: none;
    width: 100%;
    margin-bottom: 1rem;
  }

  .wiki-sidebar.is-open {
    display: block;
  }

  /* TOC 折叠 */
  .toc-sidebar-toggle {
    display: block;
    margin-top: 1rem;
  }

  .toc-sidebar {
    display: none;
    flex: none;
    width: 100%;
    margin-top: 0.5rem;
  }

  .toc-sidebar.is-open {
    display: block;
  }

  /* 内容区全宽 */
  .wiki-main {
    width: 100%;
  }

  /* 表格按内容真实宽度显示，外层 scrollable-table 提供滚动 */
  .scrollable-table {
    max-width: 100vw;
  }
  .scrollable-table table {
    width: max-content;
    min-width: 100%;
    max-width: none !important;
  }

  /* Mermaid 图在移动端缩小字体 */
  .mermaid svg {
    font-size: 14px;
  }

  /* 固定按钮调整 */
  .wiki-backtotop {
    bottom: 1rem;
    right: 1rem;
    width: 2.2rem;
    height: 2.2rem;
    font-size: 1rem;
  }

  .wiki-darkmode-toggle {
    bottom: 3.8rem;
    right: 1rem;
    width: 2.2rem;
    height: 2.2rem;
    font-size: 1rem;
  }
}

/* ── 手机 ≤ 480px ── */
@media (max-width: 480px) {
  .page-content > .wrapper {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .wiki-content {
    font-size: 0.95rem;
  }

  .wiki-content h1 { font-size: 1.5rem; }
  .wiki-content h2 { font-size: 1.25rem; }
  .wiki-content h3 { font-size: 1.1rem; }

  /* 表格横向滚动 */
  .wiki-content table,
  .wiki-content pre,
  .wiki-content code {
    max-width: 100%;
  }

  .wiki-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  .wiki-content pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: pre;
    word-break: normal;
    font-size: 0.8rem;
  }

  .wiki-content code {
    font-size: 0.8rem;
    word-break: break-all;
  }

  /* 表格紧凑 */
  .wiki-content th,
  .wiki-content td {
    padding: 0.3rem 0.4rem;
    font-size: 0.8rem;
  }

  /* Mermaid 图缩放 */
  .mermaid {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    text-align: center;
  }

  .mermaid svg {
    max-width: 100%;
    height: auto;
  }

  /* 图片自适应 */
  .wiki-content img {
    max-width: 100%;
    height: auto;
  }

  /* 前后导航竖排 */
  .wiki-prevnext {
    flex-direction: column;
    gap: 0.5rem;
  }

  .wiki-prevnext__prev,
  .wiki-prevnext__next {
    max-width: 100%;
    white-space: normal;
  }

  .wiki-prevnext__next {
    margin-left: 0;
  }

  /* 固定按钮进一步缩小 */
  .wiki-backtotop {
    width: 2rem;
    height: 2rem;
    font-size: 0.9rem;
    bottom: 0.75rem;
    right: 0.75rem;
  }

  .wiki-darkmode-toggle {
    width: 2rem;
    height: 2rem;
    font-size: 0.9rem;
    bottom: 3.2rem;
    right: 0.75rem;
  }

  .wiki-footer {
    flex-direction: column;
    gap: 0.25rem;
  }
}