html,body{height:100%;margin:0;padding:0;overflow:hidden}
.pf-wrap{position:fixed;inset:0;width:auto;height:auto;overflow:hidden;z-index:0}
#pf-bg{position:fixed;inset:0;object-fit:cover;width:100%;height:100%;z-index:0}
#pf-canvas{position:fixed;inset:0;display:block;z-index:2;touch-action:none;cursor:none}
#pf-cursor{position:fixed;left:0;top:0;transform:translate(-50%,-50%);z-index:3;pointer-events:none}
.pf-ui{position:fixed;right:16px;bottom:16px;z-index:4;display:flex;gap:8px}
.pf-ui button{background:#111;color:#fff;border:0;border-radius:10px;padding:10px 14px;font-size:14px}