:root{color-scheme:dark;font-family:Georgia,Times New Roman,serif;background:#000;color:#efe8d6}*{box-sizing:border-box}html,body,#app{margin:0;width:100%;min-height:100%}body{min-height:100vh;overflow:hidden}.viewport-shell{position:relative;width:100vw;height:100vh;background:#000}.game-frame{width:100vw;height:100vh;border:0;display:block;background:#000}.fullscreen-button{position:fixed;left:16px;bottom:16px;z-index:10;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:#0c0c0cb8;color:#f3efe3;padding:10px 14px;font:inherit;font-size:14px;line-height:1;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.fullscreen-button:hover{background:#181818db}.fullscreen-button:focus-visible{outline:2px solid rgba(255,255,255,.72);outline-offset:2px}