:root{--color-bg:#fff;--color-fg:#16161a;--color-muted:#6b6b76;--font-body:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, monospace}@media (prefers-color-scheme:dark){:root{--color-bg:#16161a;--color-fg:#f4f4f5;--color-muted:#a1a1aa}}body{background:var(--color-bg);color:var(--color-fg);font-family:var(--font-body);margin:0;padding:0;line-height:1.5}code{font-family:var(--font-mono)}