:root{color-scheme:dark;font:16px Arial,sans-serif;background:#101211;color:#f4f3ea}main{max-width:520px;margin:10vh auto;padding:32px;border:1px solid #333830;border-radius:8px}h1{font:34px Georgia,serif}p{color:#b9c0b5;line-height:1.6}label{display:block;margin:20px 0}input,button{box-sizing:border-box;width:100%;padding:14px;border:1px solid #454b42;border-radius:4px;font:inherit;background:#191c19;color:inherit}input{margin-top:8px}button{background:#d9be83;color:#171b16;cursor:pointer}button:disabled{opacity:.4}