body{color:#f4f4f4;background:#0f1117;margin:0;font-family:Arial,sans-serif}.app{max-width:1180px;margin:0 auto;padding:32px 20px}.hero,.card{background:#171923;border:1px solid #2b2f3a;border-radius:18px;margin-bottom:18px;padding:20px}.grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.grid.two{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}button{color:#111;cursor:pointer;background:#f4c542;border:none;border-radius:10px;margin:8px 8px 8px 0;padding:10px 14px;font-weight:700;display:block}button:disabled{opacity:.5;cursor:not-allowed}pre{white-space:pre-wrap;background:#10131a;border:1px solid #2b2f3a;border-radius:12px;max-height:420px;padding:12px;overflow:auto}