html,body{margin:0;padding:0;overflow:hidden;background-color:#000;width:100%;height:100%;display:flex;justify-content:center;align-items:center}#game-container{width:100%;height:100%;display:flex;justify-content:center;align-items:center}canvas{display:block}#watermark{position:fixed;bottom:-20px;left:50%;transform:translate(-50%);z-index:1000;pointer-events:none;width:200px;opacity:.92}#music-toggle{position:fixed;top:20px;right:20px;z-index:1000;cursor:pointer;width:40px;height:40px;transition:transform .1s ease}#music-toggle:active{transform:scale(.9)}#loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000;z-index:2000;display:flex;flex-direction:column;justify-content:center;align-items:center}#loading-video{width:100%;height:100%;object-fit:cover}#instructions-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;z-index:1500;display:flex;justify-content:center;align-items:center;font-family:"Press Start 2P",cursive}#instructions-overlay.hidden{display:none!important}.instructions-box{background-color:#000000e6;border:4px solid #fff;padding:40px;text-align:center;color:#fff;max-width:600px;line-height:2;box-shadow:0 0 20px #000c;image-rendering:pixelated}.instructions-box p{margin:15px 0;font-size:16px}.press-start{margin-top:30px!important;color:#00aeff;animation:blink 1s infinite;cursor:pointer}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}