:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#fff;color:#2563eb}button{font:inherit;color:inherit;background-color:transparent}button:not([style*=background]){background-color:transparent}input,textarea{font:inherit;color:#2563eb}input::placeholder,textarea::placeholder{color:#6b7280}