body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;background:#f7f8fa;color:#111}
main{max-width:720px;margin:48px auto;padding:0 20px}
code,output{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
output{display:block;padding:12px;border:1px solid #ccd;border-radius:6px;background:#fff;word-break:break-all;min-height:24px}
output.ok{border-color:#1a7f37}
output.warn{border-color:#b35900}
a{color:#2456e8}
@media (prefers-color-scheme:dark){body{background:#0d1117;color:#e6edf3}output{background:#161b22;border-color:#30363d}a{color:#79a6ff}}