:root{--bg:#0b0b0e;--fg:#f5f5f7;--muted:#ffffffa6;--panel:#f5f5f7f0}html,body{height:100%}body{background:radial-gradient(1200px 600px at 50% 30%, #ffffff0f, transparent 60%), var(--bg);margin:0;overflow:hidden}#app{width:100vw;height:100vh;position:relative}.webgl{z-index:0;width:100%;height:100%;position:absolute;inset:0}