:root{--bg:#f6f7fb;--card:#fff;--ink:#152033;--muted:#667085;--line:#d9dee8;--ok:#0b7a3b;--ng:#b42318;--warn:#b54708;--accent:#1f4fd8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.hero{background:linear-gradient(135deg,#10214a,#214bbb);color:white;padding:28px 18px}.hero>div,.wrap{max-width:1050px;margin:auto}.hero h1{margin:6px 0 8px;font-size:26px}.hero p{margin:0;line-height:1.6}.badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);padding:4px 10px;border-radius:999px;font-size:13px}.wrap{padding:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin:14px 0;box-shadow:0 6px 20px rgba(16,24,40,.06)}h2{font-size:18px;margin:0 0 14px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}label{display:block;font-weight:700;font-size:13px;color:#344054;margin:10px 0}input,select,textarea{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:16px;background:white}textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.raceid{background:#eef3ff;border:1px solid #c9d7ff;border-radius:12px;padding:12px;margin-top:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.note{color:var(--muted);line-height:1.6}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}button{border:0;background:var(--accent);color:white;padding:12px 16px;border-radius:12px;font-weight:800;font-size:15px}button.secondary{background:#344054}button.danger{background:#b42318}.status{margin-top:10px;padding:10px 12px;border-radius:12px;background:#f2f4f7;border:1px solid var(--line)}.two{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}pre{white-space:pre-wrap;word-break:break-word;background:#0b1020;color:#e6edf7;border-radius:14px;padding:14px;min-height:260px;max-height:520px;overflow:auto;font-size:13px}.validation{display:grid;gap:8px}.check{padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#f8fafc}.check.ok{border-color:#abefc6;background:#ecfdf3;color:var(--ok)}.check.ng{border-color:#fecdca;background:#fef3f2;color:var(--ng)}.check.warn{border-color:#fedf89;background:#fffaeb;color:var(--warn)}.rules{line-height:1.9}@media(max-width:760px){.grid,.two{grid-template-columns:1fr}.hero h1{font-size:22px}}