:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#121212;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px}button{font-family:inherit}html,body{height:100%;overflow:hidden}.app{display:flex;flex-direction:column;height:100dvh}.app-header{margin:6px 0;text-align:center;font-size:18px;letter-spacing:3px;text-transform:uppercase;color:#e33}.game-area{position:relative;flex:1;min-height:0}.phaser-container{width:100%;height:100%}