:root{--bg: #f3f3f3}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica Neue,Arial,sans-serif;color:#111}.canvas-wrap{background:#fff;width:100%;height:100vh;position:relative;overflow:hidden}.loading{font:500 14px/1.2 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#999}