:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:#e8eefc;background:#0b1020}body{margin:0}.wrap{max-width:980px;margin:32px auto;padding:0 16px}h1{margin-bottom:6px}.muted{color:#93a4c7}.card{background:#121a33;border:1px solid #243151;border-radius:16px;padding:18px;box-shadow:0 12px 40px #0005}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}label{display:flex;flex-direction:column;gap:7px;color:#b9c6e6}input,select,button,textarea{font:inherit}input,select{box-sizing:border-box;width:100%;border:1px solid #344465;background:#0d1428;color:#fff;border-radius:10px;padding:11px}button{border:0;border-radius:10px;padding:11px 16px;background:#5b7cfa;color:#fff;cursor:pointer;font-weight:700}button:hover{background:#7893ff}.inline{display:flex;gap:8px}.inline button{white-space:nowrap}.actions{display:flex;gap:10px;margin:18px 0}pre{min-height:260px;overflow:auto;white-space:pre-wrap;color:#dbe7ff}@media(max-width:720px){.grid{grid-template-columns:1fr}.actions{flex-direction:column}}