*{margin:0;padding:0}canvas{outline:none}body{background-color:#000;width:100%;height:100%;margin:0;padding:0;font-family:system-ui;overflow:hidden}canvas{width:100vw;height:100vh}#configButton{color:#e5e7eb;cursor:pointer;width:24px;height:24px;position:fixed;top:4px;left:4px}@media (pointer:coarse){#configButton{width:36px;height:36px}}#settingsDialog{margin:0;position:relative;top:48px;left:48px}#closeSettings{position:absolute;top:4px;right:4px}h2{margin-top:8px}dialog form{margin:12px}dialog input{accent-color:#000;height:2rem;margin-bottom:4px;font-size:1.3rem}dialog input[type=checkbox]{width:1.5rem;height:1.5rem;margin-bottom:0}dialog button.btn{cursor:pointer;color:#000;background-color:#fff;border:2px solid #000;padding:10px 15px;font-size:16px;transition:background-color .3s,color .3s}dialog button.btn:hover{color:#fff;background-color:#000}dialog button.btn:active{color:#fff;background-color:gray}dialog button.btn:focus{outline:none;box-shadow:0 0 0 3px #00000080}dialog button.btn:disabled{cursor:not-allowed;color:#a9a9a9;opacity:.6;background-color:#d3d3d3;border:2px solid gray}#rleError{color:#dc2626}