:root{font:16px system-ui;color:#e8eefb;background:#101827}main{max-width:950px;margin:50px auto;padding:24px}h1{font-size:42px}section{background:#1b2940;border:1px solid #344665;border-radius:16px;padding:24px;margin:24px 0}input,button{font:inherit;padding:12px;border-radius:8px;border:1px solid #6582ae;margin:6px}button{background:#9ddac8;color:#112b28;cursor:pointer}pre{white-space:pre-wrap;overflow-wrap:anywhere}input{background:#101827;color:white}p{line-height:1.7}