body{color:#222;background:#f5f5f5;justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:system-ui,-apple-system,sans-serif;display:flex}main{background:#fff;border-radius:12px;width:min(28rem,90vw);padding:2rem 2.5rem;box-shadow:0 1px 3px #0000001a}h1{margin:0 0 1.25rem;font-size:1.75rem;font-weight:600}.todos{margin:0;padding:0;list-style:none}.todos li{border-bottom:1px solid #eee;gap:.75rem;padding:.65rem 0;display:flex}.todos li:last-child{border-bottom:none}.todos li.done{color:#888;text-decoration:line-through}.check{color:#4a9}.status{color:#666}.status.error{color:#c33}