:root{--bg:#0d1117;--fg:#e6edf3;--muted:#8b949e;--accent:#58a6ff;--ok:#3fb950;--err:#f85149}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5}main{max-width:720px;margin:0 auto;padding:4rem 1.5rem}h1{font-size:2rem;margin:0 0 .5rem}.muted{color:var(--muted)}.card{border:1px solid #30363d;border-radius:8px;padding:1rem 1.25rem;margin-top:1.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.card .label{color:var(--muted);display:inline-block;width:6rem}.ok{color:var(--ok)}.err{color:var(--err)}a{color:var(--accent)}