:root {
  --bg: #ffffff;
  --side: #f4f6f9;
  --fg: #1f2733;
  --muted: #5d6877;
  --line: #e2e6ec;
  --accent: #2b5fb4;
  --code: #f3f5f8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --side: #171c24;
    --fg: #dfe5ee;
    --muted: #8f9bab;
    --line: #262d38;
    --accent: #7ea8f0;
    --code: #1b212b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--accent); }
.top {
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
.top .badge { font-size: 12px; font-weight: 500; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 56px); }
aside { background: var(--side); border-right: 1px solid var(--line); padding: 20px; font-size: 15px; }
aside h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
aside ul { list-style: none; padding: 0; margin: 0 0 20px; }
aside li { margin: 6px 0; }
aside a { color: var(--fg); text-decoration: none; }
aside a:hover { color: var(--accent); }
main { padding: 32px 40px 60px; max-width: 820px; }
h1 { font-size: 30px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
.sub { color: var(--muted); margin: 0 0 24px; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; overflow-x: auto; font-size: 14px; }
code { font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace; font-size: .9em; }
.note { border-left: 3px solid var(--accent); background: var(--side); padding: 10px 14px; margin: 16px 0; }
footer { color: var(--muted); font-size: 13px; margin-top: 48px; }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
  main { padding: 24px 16px 48px; }
}