:root{--ink: #1c1c1c;--muted: #5a5a5a;--line: #d8d8d8;--page: #fdfdfc;--accent: #1f4f7a;--danger: #9b2226;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--page)}main{max-width:60rem;margin:0 auto;padding:1.5rem 1rem 4rem}h1{font-size:1.5rem;margin:0 0 1rem}label{display:block;margin:.75rem 0 .25rem;font-weight:600}input,select,textarea{width:100%;max-width:24rem;padding:.5rem;border:1px solid var(--line);border-radius:4px;font:inherit;background:#fff}input:disabled,select:disabled,textarea:disabled{background:#f2f2f2;color:var(--muted)}button{margin-top:1rem;padding:.5rem 1rem;border:1px solid var(--accent);border-radius:4px;background:var(--accent);color:#fff;font:inherit;cursor:pointer}button:disabled{opacity:.6;cursor:default}[role=alert]{margin:1rem 0 0;padding:.5rem .75rem;border-left:3px solid var(--danger);color:var(--danger)}.app__header{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--line)}.app__header button{margin-top:0}.app__title{font-weight:700;letter-spacing:.02em}