.gtai-level2-engine{--gtai-l2-primary:#55BB33;--gtai-l2-secondary:#FF8800;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:24px;box-shadow:0 18px 55px rgba(0,0,0,.08);overflow:hidden;margin:24px 0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}.gtai-l2-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:linear-gradient(135deg,rgba(85,187,51,.12),rgba(255,136,0,.12));border-bottom:1px solid rgba(0,0,0,.07);flex-wrap:wrap}.gtai-l2-header strong{display:block;font-size:18px}.gtai-l2-header span{font-size:12px;color:#556}.gtai-l2-actions{display:flex;gap:8px;flex-wrap:wrap}.gtai-l2-actions button,.gtai-l2-sidebar button{border:0;border-radius:999px;background:#111;color:#fff;padding:9px 13px;font-weight:700;cursor:pointer}.gtai-l2-actions button:nth-child(1),.gtai-l2-actions button:nth-child(2),.gtai-l2-actions button:nth-child(3){background:var(--gtai-l2-primary)}.gtai-l2-main{display:grid;grid-template-columns:230px 1fr;min-height:560px}.gtai-l2-sidebar{background:#fbfbfb;border-right:1px solid rgba(0,0,0,.07);padding:14px;display:flex;flex-direction:column;gap:10px}.gtai-l2-sidebar label{font-size:12px;font-weight:800;color:#334;display:flex;flex-direction:column;gap:5px}.gtai-l2-sidebar input[type=text]{border:1px solid #dde;border-radius:12px;padding:9px}.gtai-l2-sidebar input[type=range]{width:100%}.gtai-l2-stage-wrap{padding:18px;overflow:auto;background:radial-gradient(circle at 20px 20px,rgba(0,0,0,.05) 1px,transparent 1px);background-size:20px 20px}.gtai-l2-canvas{display:block;max-width:100%;height:auto;background:#fff;border-radius:18px;box-shadow:0 10px 40px rgba(0,0,0,.14);touch-action:none}.gtai-l2-layers{display:flex;flex-direction:column;gap:6px;margin-top:10px;max-height:210px;overflow:auto}.gtai-l2-layers button{background:#fff!important;color:#222!important;border:1px solid #e7e7e7;text-align:left;border-radius:12px;padding:8px 10px}.gtai-l2-layers button.is-active{border-color:var(--gtai-l2-primary);box-shadow:0 0 0 3px rgba(85,187,51,.16)}.gtai-l2-json{width:100%;min-height:90px;border:0;border-top:1px solid rgba(0,0,0,.07);padding:12px;font-family:monospace;font-size:12px}@media(max-width:760px){.gtai-l2-main{grid-template-columns:1fr}.gtai-l2-sidebar{order:2;border-right:0;border-top:1px solid rgba(0,0,0,.07)}.gtai-l2-header{position:sticky;top:0;z-index:5}.gtai-l2-actions button{padding:10px 12px}.gtai-l2-stage-wrap{padding:10px}.gtai-level2-engine{border-radius:18px}}