/* OpsXShell 文档站 —— 清爽专业风格（浅色） */
:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: rgba(37, 99, 235, 0.08);
  --bg: #f6f8fb;
  --panel: #ffffff;
  --border: #e4e9f1;
  --text: #1c2434;
  --text-2: #5b6880;
  --text-3: #98a2b3;
  --code-bg: #f3f6fb;
  --code-border: #e1e8f3;
  --green: #059669;
  --amber: #b45309;
  --red: #dc2626;
  --sidebar-w: 262px;
  --toc-w: 220px;
  --topbar-h: 56px;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.05);
  --mono: 'JetBrains Mono', SFMono-Regular, Menlo, Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.75;
}
a {
  color: var(--blue);
  text-decoration: none;
}
.i {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -2px;
}
a:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
}
.menu-btn {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--text-2);
  place-items: center;
}
.menu-btn .i {
  width: 17px;
  height: 17px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none !important;
}
.brand-logo {
  display: inline-flex;
}
.brand-logo svg {
  display: block;
  border-radius: 7px;
}
.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.brand-name em {
  font-style: normal;
  font-weight: 500;
  color: var(--text-2);
  margin-left: 2px;
}
.ver-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid rgba(37, 99, 235, 0.22);
  padding: 1px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.search {
  position: relative;
  flex: 1;
  max-width: 420px;
  margin-left: 8px;
}
.search input {
  width: 100%;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg);
  padding: 0 14px 0 34px;
  font-size: 13.5px;
  color: var(--text);
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%2398a2b3' stroke-width='2' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
}
.search input:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px var(--blue-soft);
}
.search-panel {
  position: absolute;
  top: 44px;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-height: 420px;
  overflow: auto;
  padding: 6px;
}
.search-item {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none !important;
}
.search-item:hover,
.search-item.sel {
  background: var(--blue-soft);
}
.search-item .si-title {
  font-weight: 600;
  color: var(--text);
  font-size: 13.5px;
}
.search-item .si-group {
  color: var(--text-3);
  font-size: 11px;
  margin-left: 6px;
}
.search-item .si-snippet {
  color: var(--text-2);
  font-size: 12px;
  margin-top: 2px;
  display: block;
}
.search-empty {
  padding: 14px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
}
.top-links {
  margin-left: auto;
  display: flex;
  gap: 16px;
  align-items: center;
}
.top-links a {
  font-size: 13.5px;
  font-weight: 500;
}

/* ---------- 三栏布局 ---------- */
.layout {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 0 28px;
  padding: 24px 20px 60px;
}

/* 侧栏 */
.sidebar {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  align-self: start;
  max-height: calc(100vh - var(--topbar-h) - 48px);
  overflow-y: auto;
  padding-right: 8px;
}
.sidebar::-webkit-scrollbar {
  width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
  background: #d6dde8;
  border-radius: 4px;
}
.nav-group {
  margin-bottom: 18px;
}
.nav-group-title {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0 10px 6px;
}
.nav-link {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-2);
  text-decoration: none !important;
  border-left: 2px solid transparent;
}
.nav-link:hover {
  background: rgba(37, 99, 235, 0.06);
  color: var(--text);
}
.nav-link.active {
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-weight: 600;
  border-left-color: var(--blue);
}
.sidebar-foot {
  margin-top: 24px;
  padding: 12px 10px 0;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-3);
}

/* 内容 */
.content {
  min-width: 0;
  max-width: 860px;
}
.breadcrumb {
  font-size: 12.5px;
  color: var(--text-3);
  margin-bottom: 10px;
}
.breadcrumb span {
  margin: 0 6px;
}
.page-title {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  line-height: 1.3;
}
.page-meta {
  font-size: 12.5px;
  color: var(--text-3);
  margin-bottom: 22px;
}

/* Markdown 排版 */
.md h2 {
  font-size: 21px;
  font-weight: 700;
  margin: 38px 0 12px;
  padding-top: 8px;
  letter-spacing: -0.01em;
}
.md h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin: 26px 0 8px;
}
.md h2 + h3,
.md h1 + h2 {
  margin-top: 18px;
}
.md p {
  margin: 10px 0;
  color: #2a3348;
}
.md ul,
.md ol {
  padding-left: 22px;
  margin: 10px 0;
}
.md li {
  margin: 5px 0;
  color: #2a3348;
}
.md li::marker {
  color: var(--blue);
}
.md strong {
  color: var(--text);
}
.md hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 30px 0;
}
.md img {
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.md blockquote {
  margin: 14px 0;
  padding: 10px 16px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  border-radius: 0 8px 8px 0;
  color: #33415e;
}

/* 表格 */
.md table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  font-size: 13.5px;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--border);
}
.md th,
.md td {
  padding: 9px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.md th {
  background: #f9fbfe;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.md tr:last-child td {
  border-bottom: none;
}

/* 代码块 */
.md code {
  font-family: var(--mono);
  font-size: 12.8px;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 5px;
  padding: 1px 6px;
  color: #334155;
}
.md pre {
  position: relative;
  background: #0f172a;
  color: #dbe4f3;
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  overflow-x: auto;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.65;
}
.md pre code {
  background: none;
  border: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}
.md pre .lang-tag {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 10.5px;
  color: #7c8db0;
  font-family: var(--mono);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}
.md pre .copy-btn {
  position: absolute;
  top: 6px;
  right: 60px;
  font-size: 11px;
  color: #9fb0d0;
  background: rgba(255, 255, 255, 0.07);
  border: none;
  border-radius: 6px;
  padding: 2px 9px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.md pre:hover .copy-btn {
  opacity: 1;
}
.md pre .copy-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}
/* 行内高亮 token */
.md pre .tok-key {
  color: #7dd3fc;
}
.md pre .tok-str {
  color: #86efac;
}
.md pre .tok-num {
  color: #fcd34d;
}
.md pre .tok-com {
  color: #64748b;
  font-style: italic;
}

/* 提示块（通过 blockquote 首字符约定） */
.md blockquote.tip {
  border-left-color: var(--green);
  background: rgba(5, 150, 105, 0.07);
}
.md blockquote.warn {
  border-left-color: var(--amber);
  background: rgba(180, 83, 9, 0.07);
}

/* 上下页 */
.pn-nav {
  display: flex;
  gap: 14px;
  margin-top: 48px;
}
.pn {
  flex: 1;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius);
  padding: 13px 16px;
  text-decoration: none !important;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.pn:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
}
.pn.next {
  text-align: right;
}
.pn-label {
  display: block;
  font-size: 11.5px;
  color: var(--text-3);
}
.pn-title {
  display: block;
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
  margin-top: 2px;
}

/* 反馈 */
.feedback {
  margin-top: 28px;
  padding: 16px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-2);
  font-size: 13px;
  flex-wrap: wrap;
}
.fb-btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 12.5px;
  cursor: pointer;
  color: var(--text-2);
  transition: all 0.15s;
}
.fb-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.fb-btn.done {
  border-color: var(--green);
  color: var(--green);
  background: rgba(5, 150, 105, 0.06);
}
.fb-thanks {
  color: var(--green);
  font-size: 12.5px;
}

/* 右侧目录 */
.toc {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  align-self: start;
  max-height: calc(100vh - var(--topbar-h) - 48px);
  overflow-y: auto;
  padding-top: 34px;
}
.toc-title {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 8px;
}
.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-left: 2px solid var(--border);
  padding-left: 0;
}
.toc-nav a {
  font-size: 12.5px;
  color: var(--text-2);
  padding: 4px 0 4px 12px;
  text-decoration: none !important;
  border-left: 2px solid transparent;
  margin-left: -2px;
  line-height: 1.5;
}
.toc-nav a:hover {
  color: var(--blue);
}
.toc-nav a.toc-l3 {
  padding-left: 26px;
  font-size: 12px;
  color: var(--text-3);
}
.toc-nav a.active {
  color: var(--blue);
  border-left-color: var(--blue);
  font-weight: 600;
}
.print-btn {
  margin-top: 18px;
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 7px;
  font-size: 12.5px;
  color: var(--text-2);
  cursor: pointer;
}
.print-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* 404 */
.doc-404 {
  display: grid;
  place-items: center;
  min-height: 100vh;
  text-align: center;
}
.doc-404 h1 {
  font-size: 56px;
  margin: 0;
  color: var(--blue);
}
.doc-404 .btn {
  display: inline-block;
  margin-top: 12px;
  background: var(--blue);
  color: #fff;
  padding: 8px 18px;
  border-radius: 8px;
  text-decoration: none !important;
  font-weight: 600;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .layout {
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
}
@media (max-width: 880px) {
  .menu-btn {
    display: inline-grid;
    place-items: center;
  }
  .layout {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 12px;
  }
  .sidebar {
    position: fixed;
    z-index: 60;
    left: 0;
    top: var(--topbar-h);
    bottom: 0;
    width: 280px;
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 16px;
    transform: translateX(-100%);
    transition: transform 0.2s;
    max-height: none;
  }
  .sidebar.open {
    transform: none;
    box-shadow: var(--shadow);
  }
  .ver-badge {
    display: none;
  }
  .top-links a {
    font-size: 12.5px;
  }
  .page-title {
    font-size: 24px;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .topbar,
  .sidebar,
  .toc,
  .pn-nav,
  .feedback,
  .menu-btn {
    display: none !important;
  }
  .layout {
    display: block;
    max-width: none;
    padding: 0;
  }
  body {
    background: #fff;
  }
  .md pre {
    background: #f1f5f9 !important;
    color: #1e293b !important;
  }
  .md pre .copy-btn,
  .md pre .lang-tag {
    display: none;
  }
}