:root { --bg: #fff; --fg: #1d2329; --muted: #5c6670; --code: #f2f4f6; --link: #0b62a3; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #14181c; --fg: #e3e7ea; --muted: #9aa5ae; --code: #1f252b; --link: #63a9e6; }
}
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.8rem; margin: 0 0 12px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--link); }
pre { background: var(--code); padding: 12px 14px; border-radius: 6px; overflow-x: auto; font-size: 13px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.fpr code { font-size: 15px; font-weight: 600; }