:root{color-scheme:light dark;font-family:system-ui,sans-serif}body{margin:0;padding:48px 20px;background:#111820;color:#eaf0f6}main{max-width:740px;margin:0 auto}h1{font-size:2rem}p{line-height:1.7;color:#c1ccd6}code{overflow-wrap:anywhere}a{color:#92caff}label{display:block;margin-top:20px}textarea{box-sizing:border-box;width:100%;min-height:90px;margin:8px 0;padding:12px;border:1px solid #4d6173;border-radius:6px;background:#182430;color:#eaf0f6}button{padding:10px 16px;cursor:pointer;border-radius:6px;border:0;background:#92caff;color:#111820}