.playground-shell{max-width:1050px;margin:0 auto;padding:48px 24px 96px}.playground-shell h1{font-size:2.3rem;margin:0 0 12px}.playground-warning{background:#fff4d8;border:1px solid #e8c66a;border-radius:10px;padding:12px 14px;margin:18px 0}.playground-card{background:#fff;border:1px solid #dfe4ec;border-radius:14px;padding:22px;margin:18px 0;box-shadow:0 4px 16px rgba(25,40,65,.05)}.playground-card h2{margin-top:0}.playground-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:14px}.playground-card label{display:grid;gap:7px;margin:12px 0;font-weight:600}.playground-card input,.playground-card select,.playground-card textarea{width:100%;box-sizing:border-box;border:1px solid #bfc8d6;border-radius:8px;padding:10px;font:500 14px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;background:#fff}.playground-card button{border:0;border-radius:8px;padding:10px 16px;background:#2848d8;color:#fff;font-weight:700;cursor:pointer}.playground-card button:disabled{opacity:.55;cursor:wait}#auth-status{margin-left:12px}.playground-request-row{display:grid;grid-template-columns:120px 1fr auto;gap:10px;align-items:center}#response-body{min-height:120px;max-height:560px;overflow:auto;background:#111827;color:#dbeafe;border-radius:10px;padding:16px;white-space:pre-wrap;word-break:break-word}#response-meta{font:600 14px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;margin-bottom:8px}@media(max-width:760px){.playground-grid{grid-template-columns:1fr}.playground-request-row{grid-template-columns:1fr}.playground-shell{padding:28px 14px 70px}}