:root {
  color-scheme: dark;
  --bg: #1a1c1f;
  --panel: #23262b;
  --panel-2: #2c3036;
  --text: #e6e8eb;
  --muted: #a7adb6;
  --accent: #4c8dff;
  --line: #3a3f46;
  --code: #14161a;
  --table: #202328;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 16px/1.55 "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  display: flex; align-items: center; gap: 16px;
  height: 56px; padding: 0 20px; background: #14161a;
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2;
}
.brand { color: var(--text); font-weight: 650; letter-spacing: 0.04em; }
.top span { color: var(--muted); }
.search { margin-left: auto; position: relative; }
.search input {
  width: 280px; background: var(--panel); color: var(--text);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px;
}
#results {
  position: absolute; right: 0; top: 40px; width: 420px; max-height: 420px; overflow: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px;
}
#results a { display: block; padding: 8px; border-radius: 6px; color: var(--text); }
#results a:hover { background: var(--panel-2); text-decoration: none; }
#results span { display: block; color: var(--muted); font-size: 13px; }
.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr) 220px; gap: 8px; }
.sidebar, .toc {
  position: sticky; top: 56px; height: calc(100vh - 56px); overflow: auto;
  padding: 12px 12px 48px; background: var(--panel);
}
.sidebar details { margin: 0 0 8px; }
.sidebar summary { cursor: pointer; color: var(--muted); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.sidebar ul { list-style: none; margin: 6px 0 0; padding: 0; }
.sidebar a { display: block; padding: 4px 8px; border-radius: 4px; color: var(--text); font-size: 14px; }
.sidebar a.active, .sidebar a:hover { background: var(--panel-2); text-decoration: none; }
.sidebar a.active { box-shadow: inset 2px 0 0 var(--accent); }
main { padding: 28px 36px 80px; max-width: 920px; }
article h1 { font-size: 34px; line-height: 1.2; margin: 0 0 16px; }
article h2 { font-size: 24px; margin: 32px 0 10px; padding-top: 8px; }
article h3 { font-size: 18px; margin: 24px 0 8px; }
article p, article li { color: var(--text); }
article ul, article ol { padding-left: 22px; }
pre {
  background: var(--code); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 16px; overflow: auto; font: 13px/1.45 Consolas, monospace;
}
code { font-family: Consolas, monospace; font-size: 0.92em; }
p code, li code, td code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; background: var(--table); }
th, td { border: 1px solid var(--line); text-align: left; padding: 8px 10px; vertical-align: top; }
th { background: #2a2e34; }
blockquote { margin: 12px 0; padding: 4px 14px; border-left: 3px solid var(--accent); color: var(--muted); }
.repo-only { border-bottom: 1px dotted var(--muted); cursor: help; }
.toc p { margin: 4px 8px 8px; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc a { display: block; color: var(--muted); font-size: 13px; padding: 3px 8px; }
.toc .toc-h3 a { padding-left: 18px; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--line); }
img { max-width: 100%; height: auto; }
@media (max-width: 960px) {
  .layout { display: block; }
  .sidebar, .toc { position: relative; top: 0; height: auto; }
  .toc { display: none; }
  .search input, #results { width: min(280px, 70vw); }
  main { padding: 20px 16px 48px; }
}