body{margin:0;background:#f4f1e9;color:#203029}.practice-app{width:min(820px,calc(100% - 40px));margin:auto;padding:64px 0}.mode-badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#f5c851;font-weight:900}.actions{display:flex;flex-wrap:wrap;gap:10px}button{padding:10px 14px;border:0;border-radius:9px;background:#0c7656;color:white}.queue-list{display:grid;gap:8px}.queue-list li{padding:12px;border-radius:10px;background:white}pre{padding:16px;border-radius:12px;background:#1d2924;color:#eff8f3;white-space:pre-wrap}