*{margin:0;padding:0;box-sizing:border-box}html,body,#app{width:100vw;height:100vh;overflow:hidden;background:#0a0a0f;font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:#e0e0e0}#app{display:flex;flex-direction:column}#control-bar{height:48px;background:#1a1a2e;border-bottom:1px solid #333;display:flex;align-items:center;gap:16px;padding:0 16px;flex-shrink:0}#control-bar h1{font-size:18px;font-weight:600;color:#6ec6ff;letter-spacing:1px}#controls{display:flex;align-items:center;gap:8px}#controls button{background:#2a2a4a;border:1px solid #444;color:#e0e0e0;padding:4px 12px;border-radius:4px;cursor:pointer;font-size:13px;transition:background .15s}#controls button:hover{background:#3a3a5a}#controls button:active{background:#4a4a6a}#controls select{background:#2a2a4a;border:1px solid #444;color:#e0e0e0;padding:4px 8px;border-radius:4px;font-size:13px;cursor:pointer}#status{margin-left:auto;display:flex;gap:16px;font-size:12px;font-family:monospace;color:#888}#active-cell-info{color:#6ec6ff}#grid{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(3,1fr);gap:4px;padding:4px;flex:1;min-height:0}.cell{background:#12121e;border:2px solid #333;border-radius:4px;position:relative;overflow:hidden;display:flex;flex-direction:column;cursor:pointer;transition:border-color .15s}.cell:hover{border-color:#555}.cell.active{border-color:#6ec6ff;box-shadow:0 0 8px #6ec6ff4d}.cell.loading{border-color:#fc0}.cell.error{border-color:#f44}.cell canvas{width:100%;height:100%;display:block}.cell-overlay{position:absolute;inset:0;pointer-events:none}.cell-header{position:absolute;top:4px;left:4px;right:4px;display:flex;justify-content:space-between;align-items:flex-start}.cell-id{background:#0a0a14cc;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:600;color:#6ec6ff}.cell-status{background:#0a0a14cc;padding:2px 6px;border-radius:3px;font-size:10px;color:#888}.cell-status.running{color:#4caf50}.cell-status.paused{color:#fc0}.cell-status.error{color:#f44}.cell-metrics{position:absolute;bottom:4px;left:4px;background:#0a0a14d9;padding:4px 8px;border-radius:3px;font-size:10px;font-family:monospace;color:#888}.cell-metrics .metric{display:flex;gap:4px}.cell-metrics .metric-label{color:#666}.cell-metrics .metric-value{color:#aaa}.cell.empty:before{content:"Click to initialize";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#444;font-size:12px}.cell.loading:before{content:"Loading...";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fc0;font-size:12px}.cell-scenario{position:absolute;bottom:4px;right:4px;background:#0a0a14d9;padding:2px 6px;border-radius:3px;font-size:10px;color:#6ec6ff;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 1200px){#grid{grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(4,1fr)}}@media (max-width: 800px){#grid{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(6,1fr)}#control-bar{height:auto;flex-wrap:wrap;padding:8px}#controls{flex-wrap:wrap}}