:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--canvas:#f6f6f6;--canvas-soft:#efefef;--ink:#3c3c3f;--muted:#85858c;--faint:#aaaab0;--line:#39393d21;--line-strong:#39393d33;--panel:#fafafae8;--panel-solid:#fafafa;--hover:#3d3d4412;--active:#7c5cff21;--accent:#7c5cff;--shadow:0 5px 20px #1e1e221c}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{background:var(--canvas);color:var(--ink);font-family:Inter,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif}#root{width:100%;height:100%}button,input{font:inherit}button{color:inherit}.graph-app,.workspace,.canvas-shell{width:100%;min-width:0;height:100%;min-height:0}.graph-app{background:var(--canvas)}.workspace{display:flex;position:relative}.canvas-shell{flex:1;position:relative;overflow:hidden}.graph-stage{cursor:default;position:absolute;inset:0}.graph-stage 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