:root{font-family:system-ui,sans-serif;color:#193d2e;background:#f6f8f5}body{margin:0}main{max-width:540px;margin:auto;padding:24px}h1{font-size:1.9rem}p{line-height:1.5}label{display:block;margin:20px 0}input,button{box-sizing:border-box;width:100%;font:inherit;padding:14px;border-radius:8px}input{margin-top:6px;border:1px solid #799184}button{margin:6px 0;background:#245b44;color:#fff;border:0}button:disabled{opacity:.45}section{padding:16px;background:#e3eee5}code{overflow-wrap:anywhere}