:root{--bg:#fff;--fg:#111;--muted:#555;--border:#e5e5e5}*{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,Arial,Apple Color Emoji,Segoe UI Emoji}a{color:inherit;text-decoration:none}