body{background-color:gray;margin:0;padding:0;font-family:sans-serif;overflow:hidden}canvas{display:block}#container{justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:relative}#loading{color:#fff;text-align:center;z-index:100;background-color:#000000b3;border-radius:10px;padding:20px;font-size:24px;position:absolute}.instructions{color:#fff;z-index:10;background-color:#00000080;border-radius:12px;flex-direction:column;align-items:flex-end;max-width:400px;padding:12px;display:flex;position:absolute;bottom:20px;left:20px}.instructions dt{color:#fc0;font-size:16px;font-weight:700}.toggle-button{cursor:pointer;color:#fc0;z-index:2;background-color:#00000080;font-size:20px;font-weight:700}.instructions.collapsed .instructions-content{display:none}.status-info{color:#fc0;border-bottom:1px solid #ffffff4d;margin-bottom:10px;padding-bottom:5px;font-weight:700}.error-message{color:#f44;text-align:center;background-color:#000000b3;border-radius:5px;max-width:80%;padding:20px;font-size:18px}