:root{font-family:system-ui,sans-serif;color:#19242b;background:#f7f4ee}body{margin:0}main{max-width:640px;margin:3rem auto;padding:2rem;background:#fff;border:3px solid #c85419;box-shadow:0 12px 40px #19242b22}.warning{font-weight:800;color:#8d2600;background:#fff0e9;padding:.8rem;border-left:5px solid #c85419}label,fieldset{display:grid;gap:.4rem;margin:1rem 0}input,select,button{font:inherit;padding:.65rem}button{background:#c85419;color:white;border:0;font-weight:700;cursor:pointer}#result{min-height:1.5rem;font-weight:600}