body{margin:0;background:#f5f7fb;color:#17202a;font-family:Arial,sans-serif}.shell{max-width:1180px;margin:0 auto;padding:32px 20px}header{margin-bottom:20px}.status{display:inline-block;margin-top:8px;padding:6px 10px;background:#e8f6f3;color:#075e54;border-radius:6px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{background:#fff;border:1px solid #d9e2ec;border-radius:8px;padding:16px}textarea{box-sizing:border-box;width:100%;min-height:360px;border:1px solid #b8c2cc;border-radius:6px;padding:10px;font-family:Consolas,monospace}button{margin:10px 8px 0 0;padding:9px 12px;border:0;border-radius:6px;background:#0969da;color:#fff;font-weight:700;cursor:pointer}pre{white-space:pre-wrap;background:#111827;color:#e5e7eb;border-radius:6px;padding:12px;min-height:180px}@media(max-width:800px){.grid{grid-template-columns:1fr}}