#number-line-game-container{max-width:100%;margin:0 auto;padding:20px 0}#phaser-game{position:relative;width:90%;max-width:min(1600px,calc((100vh - 140px) * 16 / 9));aspect-ratio:16 / 9;margin:0 auto;border-radius:8px;box-shadow:0 4px 8px #0000001a;overflow:hidden}#phaser-game canvas{display:block;border-radius:8px;outline:none!important;border:none!important}#phaser-game canvas:focus,#phaser-game canvas:focus-visible,#phaser-game canvas:focus-within{outline:none!important;box-shadow:none!important;border:none!important}#phaser-game:focus{outline:none!important;box-shadow:none!important}#phaser-game canvas::-moz-focus-inner,#phaser-game canvas::-moz-focus-outer{border:0!important;outline:none!important}#phaser-game canvas::-webkit-focus-ring-color{outline-color:transparent!important}#landscape-hint{font-size:14px;padding:10px 15px;border-radius:6px;background-color:#d1ecf1;border-color:#bee5eb;color:#0c5460}@media (max-width: 768px){#number-line-game-container{padding:10px 0}#phaser-game{width:90%;max-width:100vw;margin:0 auto}@media (orientation: portrait){#landscape-hint{display:block!important}}}@media (max-height: 500px){#phaser-game{max-width:calc((100vh - 56px) * 16 / 9);max-width:calc((100dvh - 56px) * 16 / 9)}}#phaser-game:-webkit-full-screen{width:100vw!important;height:100vh!important}#phaser-game:-moz-full-screen{width:100vw!important;height:100vh!important}#phaser-game:fullscreen{width:100vw!important;height:100vh!important}#phaser-game:fullscreen{max-width:none;aspect-ratio:auto;background-color:#fbfaf3;border-radius:0;box-shadow:none}#phaser-game:-webkit-full-screen{max-width:none;aspect-ratio:auto;background-color:#fbfaf3;border-radius:0;box-shadow:none}body.game-fullscreen nav,body.game-fullscreen .navbar{display:none!important}body:has(#phaser-game:fullscreen) nav,body:has(#phaser-game:-webkit-full-screen) nav{display:none!important}.game-ui-overlay{position:absolute;top:10px;right:10px;z-index:1000;background:#ffffffe6;padding:5px 10px;border-radius:20px;font-size:12px}.game-loading{display:flex;justify-content:center;align-items:center;min-height:400px;font-size:18px;color:#666}