*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background-color:#000}#app{width:100%;height:100%}#webgpu-canvas{display:block;width:100%;height:100%;touch-action:none}#github-link{position:fixed;bottom:16px;left:16px;display:flex;align-items:center;gap:8px;color:#ffffffb3;text-decoration:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;transition:all .2s ease}#github-link:hover{color:#fff}#github-link svg{flex-shrink:0}#sound-toggle{position:fixed;top:16px;left:16px;width:44px;height:44px;border:none;border-radius:50%;background:#ffffff26;color:#fff;font-size:20px;cursor:pointer;z-index:100;transition:background .2s ease;display:flex;align-items:center;justify-content:center}#sound-toggle:hover{background:#ffffff40}