canvas,body,html{height:100%;width:100%;margin:0;padding:0;overflow:hidden}canvas{cursor:move}.playbar{position:fixed;bottom:30px;left:50%;transform:translate(-50%);display:flex;gap:12px;z-index:100}.playbar-btn{width:48px;height:48px;border-radius:50%;border:2px solid rgba(255,255,255,.6);background:#0006;color:#fffc;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.playbar-btn:hover{background:#0009;border-color:#ffffffe6;color:#fff}.playbar-btn.playing{border-color:#64c8ffcc}