body{margin:0;overflow:hidden;background-color:#000;font-family:sans-serif}canvas{display:block}#info{position:absolute;top:10px;left:10px;color:#888;pointer-events:none;font-size:12px;z-index:10}.ui-container{position:absolute;top:20px;right:20px;display:flex;gap:10px;z-index:100}.icon-btn{background:#00000080;border:1px solid rgba(255,255,255,.2);color:#fff;padding:8px;border-radius:50%;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.icon-btn:hover{background:#ffffff1a;border-color:#ffffff80;transform:scale(1.05)}.icon-btn svg{width:20px;height:20px;fill:currentColor}