:root{color-scheme:light dark;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}body{margin:0;min-height:100vh;display:grid;place-items:center}.card{width:min(560px,92vw);padding:2rem}.row{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}h1{margin:0 0 1rem;font-size:1.4rem}.user{font-size:.85rem;opacity:.8}form{display:flex;gap:.5rem;align-items:center;margin:1rem 0}button{padding:.5rem .9rem;cursor:pointer}button.link{background:none;border:none;padding:0;text-decoration:underline;cursor:pointer;color:inherit;font:inherit}.status{margin-top:1rem;padding:1rem;border:1px solid rgba(128,128,128,.3);border-radius:8px}.error{color:#c0392b;margin-top:1rem}details ul{margin:.5rem 0 0;padding-left:1.2rem}