:root{color:#172034;font-synthesis:none;text-rendering:optimizelegibility;background:#f6f7f9;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{margin:0}main{max-width:640px;margin:12vh auto;padding:32px 24px}h1{letter-spacing:-.04em;margin:0 0 24px;font-size:clamp(32px,7vw,48px)}.result{overflow-wrap:anywhere;min-height:64px}p{margin:0 0 24px;line-height:1.7}[role=alert]{color:#a12727}button{color:#fff;font:inherit;cursor:pointer;background:#244bd6;border:0;border-radius:6px;padding:10px 18px}button:hover:not(:disabled){background:#1939b0}button:disabled{opacity:.55;cursor:wait}button:focus-visible{outline-offset:4px;outline:3px solid #738ffc}