:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark light;color:#ffffffde;background-color:#1a1a1a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden;background-color:#222}canvas{display:block}#ui-layer{position:absolute;top:10px;left:10px;pointer-events:none;z-index:1000}.app-title{font-size:2rem;font-weight:700;color:#000;margin:0}.subtitle{font-size:.9rem;color:#000;margin-top:5px}