/* ==========================================================================
   DeskPan 帮助文档（树形目录 + 正文）
   与 site.css 共用变量与顶栏，只补三栏布局、目录树和正文排版
   ========================================================================== */

.docs-page { background: var(--bg); }

/* ---------- 外壳：侧栏 + 正文 ---------- */
.docs-shell {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  align-items: start;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px 72px;
  gap: 32px;
}

.docs-shell-single { grid-template-columns: minmax(0, 1fr); }

/* ---------- 侧栏 ---------- */
/* 不用整块灰底卡片：和正文同一底色 + 右侧细分隔线，
   侧栏不会再在正文旁压出一块深色区域。 */
.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 16px);
  max-height: calc(100vh - var(--nav-h) - 32px);
  min-height: calc(100vh - var(--nav-h) - 32px);
  overflow-y: auto;
  padding: 2px 18px 28px 0;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border);
  border-radius: 0;
  scrollbar-width: thin;
  scrollbar-color: #dfe3ea transparent;
}

.docs-sidebar-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0 12px;
  margin-bottom: 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.docs-sidebar-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2);
}

.docs-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-3);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.docs-sidebar-close {
  display: none;
  margin-left: auto;
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-2);
  font-size: 16px;
  cursor: pointer;
}
.docs-sidebar-close:hover { background: var(--bg-sunken); }

.docs-tree ul { list-style: none; margin: 0; padding: 0; }

.docs-node-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2px;
  border-radius: 6px;
  transition: background 0.15s ease;
}

/* hover 用中性浅灰，不再整条泛蓝 */
.docs-node-row:hover { background: var(--bg-soft); }

.docs-toggle {
  flex: 0 0 auto;
  width: 20px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-3);
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s ease;
}
.docs-toggle.is-empty { cursor: default; visibility: hidden; }
/* 收起时箭头转向：aria-expanded 挂在 button 上，选择器必须跟着改 */
.docs-toggle[aria-expanded="false"] { transform: rotate(-90deg); }

.docs-node-link {
  flex: 1;
  min-width: 0;
  padding: 6px 8px 6px 10px;
  color: var(--text-2);
  font-size: 13.5px;
  border-radius: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.15s ease;
}

.docs-node-link:hover { color: var(--brand); }

.docs-node.is-current > .docs-node-row {
  background: var(--brand-soft);
}
/* 左侧细竖条：比整块蓝底更克制，长目录里也更容易定位 */
.docs-node.is-current > .docs-node-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 3px;
  border-radius: 2px;
  background: var(--brand);
}
.docs-node.is-current > .docs-node-row .docs-node-link {
  color: var(--brand);
  font-weight: 600;
}

.docs-node-children {
  margin-left: 14px !important;
  padding-left: 10px !important;
  border-left: 1px solid rgba(16, 24, 40, 0.07);
}

.docs-node.is-collapsed > .docs-node-children { display: none; }

.docs-sidebar-empty { padding: 12px 6px; font-size: 12.5px; color: var(--text-3); }

.docs-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(16, 20, 27, 0.36);
}

/* ---------- 正文列 ---------- */
.docs-main { min-width: 0; padding-top: 26px; }

.docs-menu-btn {
  display: none;
  margin-bottom: 14px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text-2);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}

/* ---------- 总览页 ---------- */
.docs-hero { padding: 26px 0 30px; border-bottom: 1px solid var(--border); }

.docs-eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}

.docs-hero h1,
.docs-notice h1 {
  margin: 0 0 12px;
  font-size: 30px;
  letter-spacing: -0.02em;
}

.docs-lede { margin: 0; max-width: 62ch; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }

.docs-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.docs-card {
  padding: 20px 22px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.docs-card:hover { border-color: var(--border-strong); box-shadow: 0 6px 20px -14px rgba(16, 20, 27, 0.35); }

.docs-card h2 { margin: 0 0 12px; font-size: 16px; }
.docs-card h2 a { color: var(--text); }
.docs-card h2 a:hover { color: var(--brand); }

.docs-card-list,
.docs-card-sublist { list-style: none; margin: 0; padding: 0; }

.docs-card-list > li { margin: 0 0 7px; }
.docs-card-list a { color: var(--text-2); font-size: 13.5px; }
.docs-card-list a:hover { color: var(--brand); }
.docs-card-sublist { margin: 6px 0 0 2px; padding-left: 12px; border-left: 1px solid var(--border); }
.docs-card-sublist li { margin: 0 0 5px; }
.docs-card-sublist a { font-size: 13px; color: var(--text-3); }

.docs-empty,
.docs-notice {
  margin: 40px 0;
  padding: 36px 30px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-soft);
  text-align: center;
}
.docs-notice .docs-lede { margin: 0 auto 18px; }
.docs-notice code {
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--bg-sunken);
  font-size: 12.5px;
}

/* ---------- 面包屑 ---------- */
.docs-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--text-3);
}
.docs-crumbs a { color: var(--text-3); }
.docs-crumbs a:hover { color: var(--brand); }
.docs-crumb-sep { color: var(--border-strong); }

/* ---------- 文章 + 右侧目录 ---------- */
.docs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 40px;
  align-items: start;
}

.docs-layout:has(.docs-article:only-child) { grid-template-columns: minmax(0, 1fr); }

.docs-title {
  margin: 0 0 22px;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.docs-body {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
}

.docs-body > :first-child { margin-top: 0; }
.docs-body h1,
.docs-body h2,
.docs-body h3,
.docs-body h4 {
  position: relative;
  margin: 2em 0 0.7em;
  color: var(--text);
  line-height: 1.4;
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.docs-body h1 { font-size: 24px; }
.docs-body h2 { font-size: 20px; }
.docs-body h3 { font-size: 17px; }
.docs-body h4 { font-size: 15px; }

.docs-body p { margin: 0 0 1.05em; }
.docs-body a { color: var(--brand); border-bottom: 1px solid rgba(47, 107, 246, 0.28); }
.docs-body a:hover { border-bottom-color: var(--brand); }

.docs-body ul,
.docs-body ol { margin: 0 0 1.1em; padding-left: 1.4em; }
.docs-body li { margin: 0 0 0.4em; }
.docs-body li::marker { color: var(--text-3); }

.docs-body code {
  padding: 1.5px 5px;
  border-radius: 5px;
  background: var(--bg-sunken);
  color: #b4346a;
  font-size: 0.88em;
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

.docs-body pre {
  margin: 0 0 1.2em;
  padding: 14px 16px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #0f1622;
}
.docs-body pre code {
  padding: 0;
  background: transparent;
  color: #d8e2f0;
  font-size: 13px;
  line-height: 1.7;
}

.docs-body blockquote {
  margin: 0 0 1.2em;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--brand-soft);
  color: var(--text-3);
}

.docs-body img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.docs-body table {
  width: 100%;
  margin: 0 0 1.3em;
  border-collapse: collapse;
  font-size: 13.5px;
}
.docs-body th,
.docs-body td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}
.docs-body th { background: var(--bg-soft); color: var(--text); font-weight: 600; }

.docs-body hr { margin: 2em 0; border: 0; border-top: 1px solid var(--border); }

/* 标题右侧的「复制本节链接」 */
.doc-anchor {
  margin-left: 8px;
  color: var(--border-strong) !important;
  font-weight: 400;
  border-bottom: 0 !important;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.docs-body h1:hover .doc-anchor,
.docs-body h2:hover .doc-anchor,
.docs-body h3:hover .doc-anchor,
.docs-body h4:hover .doc-anchor { opacity: 1; }
.doc-anchor:hover { color: var(--brand) !important; }
.doc-anchor.is-copied { color: var(--success) !important; opacity: 1; }

/* 任务列表 */
.docs-body input.task-list-item-checkbox { margin-right: 6px; }

/* ---------- 右侧本页目录 ---------- */
.docs-toc {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  padding-top: 6px;
  font-size: 12.5px;
}
.docs-toc-title {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}
.docs-toc ul { list-style: none; margin: 0; padding: 0; }
.docs-toc li { margin: 0 0 2px; }
.docs-toc a {
  display: block;
  padding: 4px 8px;
  border-left: 2px solid transparent;
  color: var(--text-3);
  line-height: 1.5;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.docs-toc a:hover { color: var(--text-2); }
.docs-toc .level-3 a { padding-left: 20px; }
.docs-toc a.is-active {
  color: var(--brand);
  border-left-color: var(--brand);
  font-weight: 600;
}

/* ---------- 目录节点的子页面列表 ---------- */
.docs-children {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid var(--border);
}
.docs-children li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.docs-children a { color: var(--brand); font-size: 14.5px; }
.docs-children a:hover { border-bottom: 1px solid var(--brand); }
.docs-children .muted { margin-left: 6px; }

/* ---------- 上下篇 ---------- */
.docs-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.docs-pager-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.docs-pager-link:hover { border-color: var(--border-strong); background: var(--bg-soft); }
.docs-pager-link.next { text-align: right; }
.docs-pager-label { font-size: 11.5px; color: var(--text-3); }
.docs-pager-title { font-size: 13.5px; color: var(--text); font-weight: 500; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); }
  .docs-toc { display: none; }
}

@media (max-width: 900px) {
  .docs-shell { grid-template-columns: minmax(0, 1fr); padding: 0 18px 56px; gap: 0; }
  .docs-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
    width: 280px;
    max-height: none;
    min-height: 0;
    padding: 18px 14px 24px;
    background: var(--bg);
    border-radius: 0;
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .docs-sidebar.is-open { transform: translateX(0); }
  .docs-sidebar-close { display: inline-flex; align-items: center; justify-content: center; }
  .docs-menu-btn { display: inline-flex; align-items: center; }
  .docs-hero h1, .docs-notice h1 { font-size: 24px; }
  .docs-title { font-size: 23px; }
  .docs-pager { grid-template-columns: minmax(0, 1fr); }
  .docs-pager-link.next { text-align: left; }
}