/* AgileNet 文档站 — 视觉对齐 Cindy 桌面端设计 token（docs/architecture/ui-design.md）
   浅色默认；深色经 html[data-theme="dark"] 切换并持久化。 */

:root {
  --bg: #EDEDED; --bg2: #F4F4F4; --panel: #F8F8F8; --panel2: #FFFFFF;
  --border: #DCDFE3; --border2: #C9CDD3;
  --text: #3C3F43; --text-strong: #2E3237; --dim: #686B72; --dim2: #8C8E94;
  --accent: #3C3F43; --accent2: #2E3237; --accent-fg: #FCFCFC;
  --link: #1D4ED8; --ring: #417CDD;
  --ok: #15803D; --warn: #B45309; --danger: #DC2626;
  --ok-bg: rgba(21,128,61,.10); --warn-bg: rgba(180,83,9,.12); --danger-bg: rgba(220,38,38,.10);
  --chip: #F1F1F1; --hover: #E2E2E2;
  --row-border: #E7E8EA; --row-hover: rgba(0,0,0,.028);
  --shadow: 0 12px 40px rgba(0,0,0,.14);
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
html[data-theme="dark"] {
  --bg: #2A2828; --bg2: #2F2D2D; --panel: #312F2F; --panel2: #3A3838;
  --border: #434343; --border2: #504F4F;
  --text: #D4D4D4; --text-strong: #EEEEEE; --dim: #9A9DA3; --dim2: #6F6F6F;
  --accent: #EEEEEE; --accent2: #E2E2E2; --accent-fg: #252222;
  --link: #7DA8F8; --ring: #417CDD;
  --ok: #4ADE80; --warn: #FBBF24; --danger: #F87171;
  --ok-bg: rgba(74,222,128,.12); --warn-bg: rgba(251,191,36,.12); --danger-bg: rgba(248,113,113,.12);
  --chip: #2F2D2D; --hover: #3A3838;
  --row-border: #3A3838; --row-hover: rgba(255,255,255,.04);
  --shadow: 0 12px 40px rgba(0,0,0,.5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.7;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.ic { display: inline-block; vertical-align: -2px; }
kbd {
  font-family: var(--mono); font-size: 11px; padding: 2px 5px; border-radius: 5px;
  background: var(--chip); border: 1px solid var(--border); color: var(--dim);
}
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ================= 顶栏 ================= */
.topbar {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 10px;
  height: 56px; padding: 0 16px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--text-strong); }
.brand:hover { text-decoration: none; }
.brand-logo {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--accent); color: var(--accent-fg);
}
.brand-name { font-weight: 700; font-size: 15px; }
.brand-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--chip); border: 1px solid var(--border); color: var(--dim);
}
.tb-spacer { flex: 1; }
.tb-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px; color: var(--dim);
}
.tb-icon-btn:hover { background: var(--hover); color: var(--text-strong); text-decoration: none; }
#btn-menu { display: none; }
.search-btn {
  display: flex; align-items: center; gap: 8px; padding: 6px 12px;
  border-radius: 9px; border: 1px solid var(--border); background: var(--panel2);
  color: var(--dim); font-size: 13px; min-width: 210px;
}
.search-btn:hover { border-color: var(--border2); }
.search-btn kbd { margin-left: auto; }

/* ================= 布局 ================= */
.layout {
  display: grid; grid-template-columns: 264px minmax(0,1fr) 220px;
  max-width: 1440px; margin: 0 auto; gap: 0;
}
.sidebar {
  position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto;
  padding: 20px 12px 20px 20px; border-right: 1px solid var(--border);
}
.toc {
  position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto;
  padding: 24px 20px 24px 12px; font-size: 13px;
}
.main { min-width: 0; padding: 28px 36px 60px; }

/* ================= 侧边导航 ================= */
.nav-group { margin-bottom: 18px; }
.nav-group-title {
  display: flex; align-items: center; gap: 7px; padding: 4px 10px;
  font-size: 12px; font-weight: 600; color: var(--dim2);
  text-transform: uppercase; letter-spacing: .4px;
}
.nav-item {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px; margin-top: 2px;
  border-radius: 8px; color: var(--dim); font-size: 13.5px;
}
.nav-item:hover { background: var(--hover); color: var(--text-strong); text-decoration: none; }
.nav-item.active { background: var(--accent); color: var(--accent-fg); font-weight: 600; }
.sidebar-foot {
  margin-top: 24px; padding: 12px 10px 0; border-top: 1px solid var(--row-border);
  display: flex; flex-direction: column; gap: 8px; font-size: 12.5px;
}
.sidebar-foot a { color: var(--dim2); display: flex; align-items: center; gap: 6px; }
.sidebar-mask { display: none; }

/* ================= 目录（右侧 TOC） ================= */
.toc-title { font-size: 12px; font-weight: 600; color: var(--dim2); margin-bottom: 8px; }
.toc a {
  display: block; padding: 3px 0 3px 12px; color: var(--dim);
  border-left: 2px solid var(--border); font-size: 12.5px; line-height: 1.5;
}
.toc a:hover { color: var(--text-strong); text-decoration: none; }
.toc a.l3 { padding-left: 26px; }
.toc a.active { color: var(--link); border-left-color: var(--link); }

/* ================= 正文（Markdown 渲染） ================= */
.content { max-width: 780px; }
.content h1 {
  font-size: 28px; font-weight: 700; color: var(--text-strong);
  margin: 0 0 12px; letter-spacing: -.3px;
}
.content h2 {
  font-size: 20px; font-weight: 650; color: var(--text-strong);
  margin: 36px 0 12px; padding-top: 16px; border-top: 1px solid var(--row-border);
}
.content h3 { font-size: 16px; font-weight: 650; color: var(--text-strong); margin: 24px 0 10px; }
.content h4 { font-size: 14px; font-weight: 650; color: var(--text-strong); margin: 18px 0 8px; }
.content p { margin: 10px 0; }
.content ul, .content ol { margin: 10px 0 10px 22px; }
.content li { margin: 4px 0; }
.content li > ul, .content li > ol { margin-top: 2px; }
.content strong { color: var(--text-strong); }
.content blockquote {
  margin: 14px 0; padding: 10px 16px; border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: 0 8px 8px 0; color: var(--dim);
}
.content blockquote p { margin: 4px 0; }
.content hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
.content table {
  width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.5px;
  display: block; overflow-x: auto;
}
.content th {
  text-align: left; color: var(--dim2); font-size: 12px; font-weight: 600;
  padding: 7px 12px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.content td { padding: 8px 12px; border-bottom: 1px solid var(--row-border); vertical-align: top; }
.content tr:hover td { background: var(--row-hover); }
.content code {
  font-family: var(--mono); font-size: .88em; padding: 2px 6px; border-radius: 6px;
  background: var(--chip); border: 1px solid var(--border); color: var(--text-strong);
  word-break: break-all;
}
.content pre {
  position: relative; margin: 14px 0; padding: 14px 16px; border-radius: 10px;
  background: #26292E; border: 1px solid var(--border); overflow-x: auto;
}
.content pre code {
  background: none; border: none; padding: 0; color: #E4E7EB; font-size: 12.5px;
  line-height: 1.65; word-break: normal; white-space: pre;
}
.copy-btn {
  position: absolute; top: 8px; right: 8px; display: flex; align-items: center; gap: 4px;
  padding: 4px 8px; border-radius: 6px; font-size: 11px;
  background: rgba(255,255,255,.08); color: #B9BDC4; opacity: 0; transition: opacity .15s;
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(255,255,255,.16); color: #fff; }
.content img { max-width: 100%; border-radius: 10px; border: 1px solid var(--border); }

/* 首页 hero（content/index.md 内嵌 HTML 使用） */
.hero { padding: 24px 0 8px; }
.hero-title { font-size: 34px; font-weight: 750; color: var(--text-strong); letter-spacing: -.5px; }
.hero-sub { font-size: 16px; color: var(--dim); margin-top: 10px; max-width: 640px; }
.hero-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px;
  border-radius: 9px; font-size: 14px; font-weight: 600; border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { background: var(--accent2); }
.btn-ghost { border-color: var(--border2); color: var(--text); background: var(--panel2); }
.btn-ghost:hover { background: var(--hover); }
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px; margin: 20px 0;
}
.card-link {
  display: block; padding: 14px 16px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
}
.card-link:hover { border-color: var(--border2); text-decoration: none; background: var(--panel2); }
.card-link .cl-title { display: flex; align-items: center; gap: 8px; font-weight: 650; color: var(--text-strong); font-size: 14px; }
.card-link .cl-desc { font-size: 12.5px; color: var(--dim); margin-top: 5px; line-height: 1.55; }
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 4px 10px;
  border-radius: 999px; background: var(--chip); border: 1px solid var(--border); color: var(--dim);
}

/* ================= 页脚 ================= */
.footer {
  margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--row-border);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--dim2); max-width: 780px;
}

/* ================= 搜索面板 ================= */
.search-mask {
  position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.42);
  display: flex; align-items: flex-start; justify-content: center; padding-top: 12vh;
}
.search-panel {
  width: 560px; max-width: calc(100vw - 32px); border-radius: var(--radius);
  background: var(--panel2); border: 1px solid var(--border); box-shadow: var(--shadow);
  overflow: hidden;
}
.search-input-row {
  display: flex; align-items: center; gap: 10px; padding: 14px 16px;
  border-bottom: 1px solid var(--row-border); color: var(--dim);
}
.search-input-row input {
  flex: 1; border: none; outline: none; background: none; font: inherit; font-size: 15px;
  color: var(--text-strong);
}
.search-results { max-height: 46vh; overflow-y: auto; }
.search-result {
  display: block; padding: 10px 16px; color: var(--text); border-bottom: 1px solid var(--row-border);
}
.search-result:hover, .search-result.active { background: var(--hover); text-decoration: none; }
.search-result .sr-title { font-weight: 650; font-size: 13.5px; color: var(--text-strong); }
.search-result .sr-path { font-size: 11.5px; color: var(--dim2); font-family: var(--mono); }
.search-result .sr-snip { font-size: 12.5px; color: var(--dim); margin-top: 3px; }
.search-result .sr-snip mark { background: var(--warn-bg); color: var(--warn); border-radius: 3px; padding: 0 2px; }
.search-empty { padding: 24px; text-align: center; color: var(--dim2); font-size: 13px; }

/* ================= 响应式 ================= */
@media (max-width: 1180px) {
  .layout { grid-template-columns: 264px minmax(0,1fr); }
  .toc { display: none; }
}
@media (max-width: 860px) {
  #btn-menu { display: flex; }
  .search-btn { min-width: 0; }
  .search-btn span, .search-btn kbd { display: none; }
  .layout { grid-template-columns: minmax(0,1fr); }
  .sidebar {
    position: fixed; inset: 56px auto 0 0; width: 280px; z-index: 60;
    background: var(--bg); transform: translateX(-100%); transition: transform .2s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-mask {
    display: block; position: fixed; inset: 56px 0 0 0; z-index: 55;
    background: rgba(0,0,0,.35); opacity: 0; pointer-events: none; transition: opacity .2s;
  }
  .sidebar-mask.open { opacity: 1; pointer-events: auto; }
  .main { padding: 20px 18px 48px; }
}