.app-container{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}.canvas-container{flex:1;background-color:#f0f0f0;position:relative;z-index:1}.controls{padding:16px;background-color:#fff;display:flex;flex-direction:column;gap:8px;z-index:2}label{font-weight:700}select{padding:8px;border:1px solid #ccc;border-radius:4px}@media (min-width: 768px){.app-container{flex-direction:row}.canvas-container{flex:3}.controls{flex:1;padding:24px}}*{margin:0;padding:0;box-sizing:border-box}body{height:100vh;width:100vw;overflow:hidden}canvas{pointer-events:auto!important;// Allow canvas interactions (panning,right-click drag)}.app-container,.canvas-container,.controls{pointer-events:auto!important;// Allow right-click on controls for context menu}