:root{--bg:#f6f7f9;--surface:#fff;--fg:#161b22;--muted:#57606a;--line:#d8dee4;--accent:#0b5cd5;--prompt:#1a7f37;--mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;--sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0d1117;--surface:#161b22;--fg:#e6edf3;--muted:#8d96a0;--line:#30363d;--accent:#58a6ff;--prompt:#3fb950;color-scheme:dark}}:root[data-theme=dark]{--bg:#0d1117;--surface:#161b22;--fg:#e6edf3;--muted:#8d96a0;--line:#30363d;--accent:#58a6ff;--prompt:#3fb950;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);font:16px/1.6 var(--sans);margin:0}a{color:var(--accent)}h1,h2,h3{text-wrap:balance;margin:0;line-height:1.25}p{margin:0}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.bar{z-index:5;padding:10px max(16px, 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