:root{--bg: #0f1115;--fg: #e6e6e6}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}canvas{display:block}.debug-panel{pointer-events:auto}