:root {
  --bg: #fbfaf7; --fg: #1f2a24; --muted: #5b6660; --accent: #1f5c3f;
  --card: #ffffff; --line: #e3e0d8; --code: #f1efe9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141917; --fg: #e8ece9; --muted: #a3ada7; --accent: #7cc59d;
    --card: #1c2320; --line: #2c3530; --code: #222a26;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; padding-bottom: 16px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--fg); text-decoration: none; margin-right: auto; }
nav .brand img { width: 32px; height: 32px; border-radius: 8px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--accent); }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.25rem; margin: 36px 0 8px; }
h3 { font-size: 1.05rem; margin: 24px 0 4px; }
p, li { color: var(--fg); }
.lead, .muted { color: var(--muted); }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 20px 0; }
code { font: 0.92em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code); padding: 1px 5px; border-radius: 4px; word-break: break-word; }
pre { background: var(--code); border-radius: 8px; padding: 12px 14px; overflow-x: auto; }
pre code { background: none; padding: 0; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }