*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#0f1419;color:#fff;overflow:hidden}#app{width:100vw;height:100vh;display:flex;flex-direction:column}h1{margin:10px 0 5px;font-size:1.5em}p{margin:0 0 10px;font-size:.9em}#game-container{flex:1;position:relative;width:100%;min-height:0}#game-container canvas{touch-action:manipulation}@media (max-width: 768px){#app{height:100dvh}}