:root{color-scheme:light dark;--background:#f7f7f8;--foreground:#1b1b1f;--border:#d9d9df;--accent:#2a5cf0}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--foreground);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}button,input{font:inherit}