:root{font-family:system-ui,sans-serif;color-scheme:light dark}body{margin:0;padding:24px}main{max-width:800px;margin:0 auto}label{display:block;margin-bottom:8px}textarea{box-sizing:border-box;width:100%;padding:12px;resize:vertical;font:inherit}button{margin-top:12px;padding:10px 16px;font:inherit;cursor:pointer}button:disabled{cursor:wait}#status{min-height:1.5em}