:root{color-scheme:light dark;font-family:system-ui,sans-serif}body{margin:0;background:#eef2f7;color:#172033}main{max-width:44rem;margin:4rem auto;padding:2rem;background:#fff;border-radius:.75rem;box-shadow:0 8px 30px #0002}label,dt{font-weight:700;display:block;margin-top:1rem}input,select,textarea,button{box-sizing:border-box;width:100%;padding:.75rem;margin:.3rem 0;border:1px solid #667;border-radius:.3rem}textarea{min-height:10rem;word-break:break-all}.error,.warning{padding:.75rem;border-left:4px solid #a21;background:#fee}.warning{border-color:#a60;background:#fff4d6}button{cursor:pointer;background:#174ea6;color:#fff;font-weight:700}a{display:inline-block;margin-top:1rem}@media(max-width:48rem){main{margin:0;min-height:100vh;border-radius:0;padding:1rem}}@media(prefers-color-scheme:dark){body{background:#111827;color:#eee}main{background:#1f2937}.error{background:#4c1515}.warning{background:#4a3500}}