body{margin:0;overflow:hidden;display:flex;justify-content:center;align-items:center;height:100vh}#app{position:relative;width:100vw;height:100vh}#video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}#gameCanvas{position:absolute;top:0;left:0;width:100%;height:100%}#scoreDisplay{position:absolute;top:10px;left:10px;color:#fff;font-size:24px;font-family:Arial,sans-serif;background-color:#00000080;padding:5px 10px;border-radius:5px}#timerDisplay{position:absolute;top:60px;left:10px;color:#fff;font-size:24px;font-family:Arial,sans-serif;background-color:#00000080;padding:5px 10px;border-radius:5px}