/* 文档站样式：复用 /styles.css 的配色 token、重置与顶栏，这里只补文档特有的部分 */

/* ---------- 顶栏 ---------- */
.nav-inner {
  gap: 16px;
}

.docs-tag {
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-mute);
  white-space: nowrap;
}

.docs-tag:hover {
  color: var(--accent-hover);
}

.nav-search {
  position: relative;
  flex: 1;
  max-width: 380px;
  margin: 0 auto;
  --pagefind-ui-scale: 0.85;
  --pagefind-ui-primary: var(--accent-hover);
  --pagefind-ui-text: var(--text);
  --pagefind-ui-background: #fff;
  --pagefind-ui-border: var(--border);
  --pagefind-ui-border-width: 1px;
  --pagefind-ui-border-radius: 10px;
  --pagefind-ui-font: var(--font-cn);
}

.nav-search .pagefind-ui__drawer {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(560px, 92vw);
  max-height: 70vh;
  overflow-y: auto;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
}

.lang-menu {
  position: relative;
  font-size: 13px;
}

.lang-menu summary {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  color: var(--text-mute);
  white-space: nowrap;
}

.lang-menu summary::-webkit-details-marker {
  display: none;
}

.lang-menu summary:hover {
  color: var(--text);
}

.lang-menu ul {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 150px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  z-index: 200;
}

.lang-menu li a,
.lang-menu li .lang-active {
  display: block;
  padding: 7px 12px;
  border-radius: 8px;
}

.lang-menu li a {
  color: var(--text-mute);
}

.lang-menu li a:hover {
  background: var(--bg-warm);
  color: var(--accent-hover);
}

.lang-menu .lang-active {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 布局 ---------- */
.doc-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 56px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 0;
}

.doc-side {
  position: sticky;
  top: 88px;
  align-self: start;
  max-height: calc(100vh - 104px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.doc-side a {
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-mute);
}

.doc-side a:hover {
  background: var(--bg-warm);
  color: var(--text);
}

.doc-side a[aria-current="page"] {
  background: var(--bg-warm);
  color: var(--accent-hover);
  font-weight: 600;
}

/* 页内目录：挂在当前页条目下面 */
.doc-toc {
  margin: 4px 0 8px 12px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
}

.doc-side .doc-toc a {
  display: block;
  padding: 4px 10px;
  font-size: 13px;
}

.doc-toc .toc-h3 a {
  padding-left: 22px;
}

.doc-toc .toc-h4 a {
  padding-left: 34px;
  font-size: 12.5px;
}

.doc-side .doc-toc a.active {
  color: var(--accent-hover);
  font-weight: 600;
  background: none;
}

/* 正文开头的 Markdown 目录与左栏重复，桌面端隐藏 */
.doc-body .doc-inline-toc {
  display: none;
}

.doc-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 64px - 40px);
}

.doc-footer {
  margin-top: auto;
  padding: 48px 0 28px;
  font-size: 13px;
  color: var(--text-faded);
}

/* ---------- 正文 ---------- */
.doc-body {
  max-width: 780px;
  line-height: 1.75;
}

.doc-body [align="center"] {
  text-align: center;
}

.doc-body h1 {
  font-size: 34px;
  margin: 0 0 20px;
}

.doc-body h2 {
  font-size: 24px;
  margin: 44px 0 14px;
  scroll-margin-top: 88px;
}

.doc-body h3 {
  font-size: 19px;
  margin: 32px 0 12px;
  scroll-margin-top: 88px;
}

.doc-body h4 {
  font-size: 16px;
  margin: 24px 0 10px;
  scroll-margin-top: 88px;
}

.doc-body p,
.doc-body ul,
.doc-body ol,
.doc-body table,
.doc-body blockquote {
  margin: 0 0 14px;
}

.doc-body ul {
  list-style: disc;
  padding-left: 1.5em;
}

.doc-body ol {
  list-style: decimal;
  padding-left: 1.5em;
}

.doc-body li > ul,
.doc-body li > ol {
  margin: 4px 0;
}

.doc-body a {
  color: var(--accent-hover);
}

.doc-body a:hover {
  text-decoration: underline;
}

.doc-body img {
  display: inline-block;
  vertical-align: middle;
}

.doc-body img:not([width]) {
  border: 1px solid var(--border);
  border-radius: var(--r-img);
  box-shadow: var(--shadow-sm);
}

.doc-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.doc-body th,
.doc-body td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.doc-body th {
  background: var(--bg-warm);
  font-weight: 600;
}

.doc-body blockquote {
  padding: 10px 16px;
  background: var(--bg-warm);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  color: var(--text-mute);
}

.doc-body blockquote > :last-child {
  margin-bottom: 0;
}

.doc-body code {
  padding: 2px 6px;
  background: var(--bg-warm);
  border-radius: 6px;
  font-size: 0.9em;
}

.doc-body pre {
  margin: 0 0 14px;
  padding: 14px 16px;
  overflow-x: auto;
  background: var(--bg-warm);
  border-radius: 10px;
}

.doc-body pre code {
  padding: 0;
  background: none;
}

.doc-body hr {
  margin: 32px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 900px) {
  .doc-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 20px 0;
  }

  .doc-side {
    position: static;
    max-height: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .doc-side a {
    border: 1px solid var(--border);
  }

  /* 窄屏左栏变成顶部标签，页内目录放不下；正文开头本来就有一份目录 */
  .doc-toc {
    display: none;
  }

  .doc-body .doc-inline-toc {
    display: block;
  }

  .nav-inner {
    padding: 0 20px;
  }

  .nav-name,
  .nav-github {
    display: none;
  }

  .doc-body h1 {
    font-size: 28px;
  }
}