:root{--brand:#4f46e5;--bg:#f7f7fb;--fg:#16161d;--muted:#6b6b7b;--line:#e4e4ee;--ok:#15803d;--err:#b91c1c}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,PingFang SC,Noto Sans SC,sans-serif;color:var(--fg);background:var(--bg)}a{color:var(--brand)}.container{max-width:960px;margin:0 auto;padding:24px 16px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px}label{display:block;font-weight:600;margin:12px 0 4px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}textarea{min-height:96px}.btn,button{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}.btn.secondary,button.secondary{background:#fff;color:var(--fg);border:1px solid var(--line)}button.danger{background:var(--err)}.muted{color:var(--muted);font-size:.92em}.ok{color:var(--ok)}.err{color:var(--err)}.tile{border:2px solid var(--line);border-radius:12px;padding:16px;text-align:center;cursor:pointer;background:#fff}.tile input{display:none}.tile:has(input:checked){border-color:var(--brand)}nav.side{display:flex;gap:14px;flex-wrap:wrap;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}.badge{display:inline-block;padding:2px 8px;border-radius:99px;background:#eef;font-size:.8em}pre.code{background:#111;color:#eee;padding:12px;border-radius:8px;overflow-x:auto;font-size:.85em;white-space:pre-wrap;word-break:break-all}.steps{display:flex;gap:8px;margin-bottom:16px}.steps span{flex:1 1;height:6px;border-radius:3px;background:var(--line)}.steps span.on{background:var(--brand)}