:root{font-family:system-ui,sans-serif;color-scheme:light dark}body{margin:0;padding:2rem}main{max-width:32rem;margin:8vh auto}button,input{font:inherit;padding:.7rem 1rem;margin:.4rem .4rem .4rem 0}label{display:block}#code{font:600 1.6rem monospace;letter-spacing:.2rem}#result{min-height:2rem}