.react-flow{--xy-edge-stroke-default:#b1b1b7;--xy-edge-stroke-width-default:1;--xy-edge-stroke-selected-default:#555;--xy-connectionline-stroke-default:#b1b1b7;--xy-connectionline-stroke-width-default:1;--xy-attribution-background-color-default:#ffffff80;--xy-minimap-background-color-default:#fff;--xy-minimap-mask-background-color-default:#f0f0f099;--xy-minimap-mask-stroke-color-default:transparent;--xy-minimap-mask-stroke-width-default:1;--xy-minimap-node-background-color-default:#e2e2e2;--xy-minimap-node-stroke-color-default:transparent;--xy-minimap-node-stroke-width-default:2;--xy-background-color-default:transparent;--xy-background-pattern-dots-color-default:#91919a;--xy-background-pattern-lines-color-default:#eee;--xy-background-pattern-cross-color-default:#e2e2e2;background-color:var(--xy-background-color,var(--xy-background-color-default));--xy-node-color-default:inherit;--xy-node-border-default:1px solid #1a192b;--xy-node-background-color-default:#fff;--xy-node-group-background-color-default:#f0f0f040;--xy-node-boxshadow-hover-default:0 1px 4px 1px #00000014;--xy-node-boxshadow-selected-default:0 0 0 .5px #1a192b;--xy-node-border-radius-default:3px;--xy-handle-background-color-default:#1a192b;--xy-handle-border-color-default:#fff;--xy-selection-background-color-default:#0059dc14;--xy-selection-border-default:1px dotted #0059dccc;--xy-controls-button-background-color-default:#fefefe;--xy-controls-button-background-color-hover-default:#f4f4f4;--xy-controls-button-color-default:inherit;--xy-controls-button-color-hover-default:inherit;--xy-controls-button-border-color-default:#eee;--xy-controls-box-shadow-default:0 0 2px 1px #00000014;--xy-edge-label-background-color-default:#fff;--xy-edge-label-color-default:inherit;--xy-resize-background-color-default:#3367d9;direction:ltr}.react-flow.dark{--xy-edge-stroke-default:#3e3e3e;--xy-edge-stroke-width-default:1;--xy-edge-stroke-selected-default:#727272;--xy-connectionline-stroke-default:#b1b1b7;--xy-connectionline-stroke-width-default:1;--xy-attribution-background-color-default:#96969640;--xy-minimap-background-color-default:#141414;--xy-minimap-mask-background-color-default:#3c3c3c99;--xy-minimap-mask-stroke-color-default:transparent;--xy-minimap-mask-stroke-width-default:1;--xy-minimap-node-background-color-default:#2b2b2b;--xy-minimap-node-stroke-color-default:transparent;--xy-minimap-node-stroke-width-default:2;--xy-background-color-default:#141414;--xy-background-pattern-dots-color-default:#777;--xy-background-pattern-lines-color-default:#777;--xy-background-pattern-cross-color-default:#777;--xy-node-color-default:#f8f8f8;--xy-node-border-default:1px solid #3c3c3c;--xy-node-background-color-default:#1e1e1e;--xy-node-group-background-color-default:#f0f0f040;--xy-node-boxshadow-hover-default:0 1px 4px 1px #ffffff14;--xy-node-boxshadow-selected-default:0 0 0 .5px #999;--xy-handle-background-color-default:#bebebe;--xy-handle-border-color-default:#1e1e1e;--xy-selection-background-color-default:#c8c8dc14;--xy-selection-border-default:1px dotted #c8c8dccc;--xy-controls-button-background-color-default:#2b2b2b;--xy-controls-button-background-color-hover-default:#3e3e3e;--xy-controls-button-color-default:#f8f8f8;--xy-controls-button-color-hover-default:#fff;--xy-controls-button-border-color-default:#5b5b5b;--xy-controls-box-shadow-default:0 0 2px 1px #00000014;--xy-edge-label-background-color-default:#141414;--xy-edge-label-color-default:#f8f8f8}.react-flow__background{background-color:var(--xy-background-color-props,var(--xy-background-color,var(--xy-background-color-default)));pointer-events:none;z-index:-1}.react-flow__container{width:100%;height:100%;position:absolute;top:0;left:0}.react-flow__pane{z-index:1}.react-flow__pane.draggable{cursor:grab}.react-flow__pane.dragging{cursor:grabbing}.react-flow__pane.selection{cursor:pointer}.react-flow__viewport{transform-origin:0 0;z-index:2;pointer-events:none}.react-flow__renderer{z-index:4}.react-flow__selection{z-index:6}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible{outline:none}.react-flow__edge-path{stroke:var(--xy-edge-stroke,var(--xy-edge-stroke-default));stroke-width:var(--xy-edge-stroke-width,var(--xy-edge-stroke-width-default));fill:none}.react-flow__connection-path{stroke:var(--xy-connectionline-stroke,var(--xy-connectionline-stroke-default));stroke-width:var(--xy-connectionline-stroke-width,var(--xy-connectionline-stroke-width-default));fill:none}.react-flow .react-flow__edges{position:absolute}.react-flow .react-flow__edges svg{pointer-events:none;position:absolute;overflow:visible}.react-flow__edge{pointer-events:visibleStroke}.react-flow__edge.selectable{cursor:pointer}.react-flow__edge.animated path{stroke-dasharray:5;animation:.5s linear infinite dashdraw}.react-flow__edge.animated path.react-flow__edge-interaction{stroke-dasharray:none;animation:none}.react-flow__edge.inactive{pointer-events:none}.react-flow__edge.selected,.react-flow__edge:focus,.react-flow__edge:focus-visible{outline:none}.react-flow__edge.selected .react-flow__edge-path,.react-flow__edge.selectable:focus .react-flow__edge-path,.react-flow__edge.selectable:focus-visible .react-flow__edge-path{stroke:var(--xy-edge-stroke-selected,var(--xy-edge-stroke-selected-default))}.react-flow__edge-textwrapper{pointer-events:all}.react-flow__edge .react-flow__edge-text{pointer-events:none;-webkit-user-select:none;user-select:none}.react-flow__arrowhead polyline{stroke:var(--xy-edge-stroke,var(--xy-edge-stroke-default))}.react-flow__arrowhead polyline.arrowclosed{fill:var(--xy-edge-stroke,var(--xy-edge-stroke-default))}.react-flow__connection{pointer-events:none}.react-flow__connection .animated{stroke-dasharray:5;animation:.5s linear infinite dashdraw}svg.react-flow__connectionline{z-index:1001;position:absolute;overflow:visible}.react-flow__nodes{pointer-events:none;transform-origin:0 0}.react-flow__node{-webkit-user-select:none;user-select:none;pointer-events:all;transform-origin:0 0;box-sizing:border-box;cursor:default;position:absolute}.react-flow__node.selectable{cursor:pointer}.react-flow__node.draggable{cursor:grab;pointer-events:all}.react-flow__node.draggable.dragging{cursor:grabbing}.react-flow__nodesselection{z-index:3;transform-origin:0 0;pointer-events:none}.react-flow__nodesselection-rect{pointer-events:all;cursor:grab;position:absolute}.react-flow__handle{pointer-events:none;background-color:var(--xy-handle-background-color,var(--xy-handle-background-color-default));border:1px solid var(--xy-handle-border-color,var(--xy-handle-border-color-default));border-radius:100%;width:6px;min-width:5px;height:6px;min-height:5px;position:absolute}.react-flow__handle.connectingfrom{pointer-events:all}.react-flow__handle.connectionindicator{pointer-events:all;cursor:crosshair}.react-flow__handle-bottom{top:auto;bottom:0;left:50%;transform:translate(-50%,50%)}.react-flow__handle-top{top:0;left:50%;transform:translate(-50%,-50%)}.react-flow__handle-left{top:50%;left:0;transform:translate(-50%,-50%)}.react-flow__handle-right{top:50%;right:0;transform:translate(50%,-50%)}.react-flow__edgeupdater{cursor:move;pointer-events:all}.react-flow__pane.selection .react-flow__panel{pointer-events:none}.react-flow__panel{z-index:5;margin:15px;position:absolute}.react-flow__panel.top{top:0}.react-flow__panel.bottom{bottom:0}.react-flow__panel.top.center,.react-flow__panel.bottom.center{left:50%;transform:translate(-15px)translate(-50%)}.react-flow__panel.left{left:0}.react-flow__panel.right{right:0}.react-flow__panel.left.center,.react-flow__panel.right.center{top:50%;transform:translateY(-15px)translateY(-50%)}.react-flow__attribution{background:var(--xy-attribution-background-color,var(--xy-attribution-background-color-default));margin:0;padding:2px 3px;font-size:10px}.react-flow__attribution a{color:#999;text-decoration:none}@keyframes dashdraw{0%{stroke-dashoffset:10px}}.react-flow__edgelabel-renderer{pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;top:0;left:0}.react-flow__viewport-portal{-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;top:0;left:0}.react-flow__minimap{background:var(--xy-minimap-background-color-props,var(--xy-minimap-background-color,var(--xy-minimap-background-color-default)))}.react-flow__minimap-svg{display:block}.react-flow__minimap-mask{fill:var(--xy-minimap-mask-background-color-props,var(--xy-minimap-mask-background-color,var(--xy-minimap-mask-background-color-default)));stroke:var(--xy-minimap-mask-stroke-color-props,var(--xy-minimap-mask-stroke-color,var(--xy-minimap-mask-stroke-color-default)));stroke-width:var(--xy-minimap-mask-stroke-width-props,var(--xy-minimap-mask-stroke-width,var(--xy-minimap-mask-stroke-width-default)))}.react-flow__minimap-node{fill:var(--xy-minimap-node-background-color-props,var(--xy-minimap-node-background-color,var(--xy-minimap-node-background-color-default)));stroke:var(--xy-minimap-node-stroke-color-props,var(--xy-minimap-node-stroke-color,var(--xy-minimap-node-stroke-color-default)));stroke-width:var(--xy-minimap-node-stroke-width-props,var(--xy-minimap-node-stroke-width,var(--xy-minimap-node-stroke-width-default)))}.react-flow__background-pattern.dots{fill:var(--xy-background-pattern-color-props,var(--xy-background-pattern-color,var(--xy-background-pattern-dots-color-default)))}.react-flow__background-pattern.lines{stroke:var(--xy-background-pattern-color-props,var(--xy-background-pattern-color,var(--xy-background-pattern-lines-color-default)))}.react-flow__background-pattern.cross{stroke:var(--xy-background-pattern-color-props,var(--xy-background-pattern-color,var(--xy-background-pattern-cross-color-default)))}.react-flow__controls{box-shadow:var(--xy-controls-box-shadow,var(--xy-controls-box-shadow-default));flex-direction:column;display:flex}.react-flow__controls.horizontal{flex-direction:row}.react-flow__controls-button{background:var(--xy-controls-button-background-color,var(--xy-controls-button-background-color-default));border:none;border-bottom:1px solid var(--xy-controls-button-border-color-props,var(--xy-controls-button-border-color,var(--xy-controls-button-border-color-default)));width:26px;height:26px;color:var(--xy-controls-button-color-props,var(--xy-controls-button-color,var(--xy-controls-button-color-default)));cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;padding:4px;display:flex}.react-flow__controls-button svg{fill:currentColor;width:100%;max-width:12px;max-height:12px}.react-flow__edge.updating .react-flow__edge-path{stroke:#777}.react-flow__edge-text{font-size:10px}.react-flow__node.selectable:focus,.react-flow__node.selectable:focus-visible{outline:none}.react-flow__node-input,.react-flow__node-default,.react-flow__node-output,.react-flow__node-group{border-radius:var(--xy-node-border-radius,var(--xy-node-border-radius-default));width:150px;color:var(--xy-node-color,var(--xy-node-color-default));text-align:center;border:var(--xy-node-border,var(--xy-node-border-default));background-color:var(--xy-node-background-color,var(--xy-node-background-color-default));padding:10px;font-size:12px}.react-flow__node-input.selectable:hover,.react-flow__node-default.selectable:hover,.react-flow__node-output.selectable:hover,.react-flow__node-group.selectable:hover{box-shadow:var(--xy-node-boxshadow-hover,var(--xy-node-boxshadow-hover-default))}.react-flow__node-input.selectable.selected,.react-flow__node-input.selectable:focus,.react-flow__node-input.selectable:focus-visible,.react-flow__node-default.selectable.selected,.react-flow__node-default.selectable:focus,.react-flow__node-default.selectable:focus-visible,.react-flow__node-output.selectable.selected,.react-flow__node-output.selectable:focus,.react-flow__node-output.selectable:focus-visible,.react-flow__node-group.selectable.selected,.react-flow__node-group.selectable:focus,.react-flow__node-group.selectable:focus-visible{box-shadow:var(--xy-node-boxshadow-selected,var(--xy-node-boxshadow-selected-default))}.react-flow__node-group{background-color:var(--xy-node-group-background-color,var(--xy-node-group-background-color-default))}.react-flow__nodesselection-rect,.react-flow__selection{background:var(--xy-selection-background-color,var(--xy-selection-background-color-default));border:var(--xy-selection-border,var(--xy-selection-border-default))}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible,.react-flow__selection:focus,.react-flow__selection:focus-visible{outline:none}.react-flow__controls-button:hover{background:var(--xy-controls-button-background-color-hover-props,var(--xy-controls-button-background-color-hover,var(--xy-controls-button-background-color-hover-default)));color:var(--xy-controls-button-color-hover-props,var(--xy-controls-button-color-hover,var(--xy-controls-button-color-hover-default)))}.react-flow__controls-button:disabled{pointer-events:none}.react-flow__controls-button:disabled svg{fill-opacity:.4}.react-flow__controls-button:last-child{border-bottom:none}.react-flow__controls.horizontal .react-flow__controls-button{border-bottom:none;border-right:1px solid var(--xy-controls-button-border-color-props,var(--xy-controls-button-border-color,var(--xy-controls-button-border-color-default)))}.react-flow__controls.horizontal .react-flow__controls-button:last-child{border-right:none}.react-flow__resize-control{position:absolute}.react-flow__resize-control.left,.react-flow__resize-control.right{cursor:ew-resize}.react-flow__resize-control.top,.react-flow__resize-control.bottom{cursor:ns-resize}.react-flow__resize-control.top.left,.react-flow__resize-control.bottom.right{cursor:nwse-resize}.react-flow__resize-control.bottom.left,.react-flow__resize-control.top.right{cursor:nesw-resize}.react-flow__resize-control.handle{background-color:var(--xy-resize-background-color,var(--xy-resize-background-color-default));border:1px solid #fff;border-radius:1px;width:5px;height:5px;translate:-50% -50%}.react-flow__resize-control.handle.left{top:50%;left:0}.react-flow__resize-control.handle.right{top:50%;left:100%}.react-flow__resize-control.handle.top{top:0;left:50%}.react-flow__resize-control.handle.bottom{top:100%;left:50%}.react-flow__resize-control.handle.top.left,.react-flow__resize-control.handle.bottom.left{left:0}.react-flow__resize-control.handle.top.right,.react-flow__resize-control.handle.bottom.right{left:100%}.react-flow__resize-control.line{border-color:var(--xy-resize-background-color,var(--xy-resize-background-color-default));border-style:solid;border-width:0}.react-flow__resize-control.line.left,.react-flow__resize-control.line.right{width:1px;height:100%;top:0;transform:translate(-50%)}.react-flow__resize-control.line.left{border-left-width:1px;left:0}.react-flow__resize-control.line.right{border-right-width:1px;left:100%}.react-flow__resize-control.line.top,.react-flow__resize-control.line.bottom{width:100%;height:1px;left:0;transform:translateY(-50%)}.react-flow__resize-control.line.top{border-top-width:1px;top:0}.react-flow__resize-control.line.bottom{border-bottom-width:1px;top:100%}.react-flow__edge-textbg{fill:var(--xy-edge-label-background-color,var(--xy-edge-label-background-color-default))}.react-flow__edge-text{fill:var(--xy-edge-label-color,var(--xy-edge-label-color-default))}*{box-sizing:border-box}body{color:#172033;background:#eef2f7;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,.upload{color:#172033;min-height:36px;font:inherit;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:8px;justify-content:center;align-items:center;gap:8px;display:inline-flex}button:disabled{cursor:not-allowed;opacity:.58}.app-shell{grid-template-columns:300px minmax(520px,1fr) 360px;height:100vh;display:grid;overflow:hidden}.sidebar,.inspector{background:#f8fafc;border-right:1px solid #d8e0eb;padding:18px;overflow:auto}.inspector{border-left:1px solid #d8e0eb;border-right:0}.brand{align-items:center;gap:12px;margin-bottom:18px;display:flex}.brand h1,.canvas-header h2,.panel h2{margin:0;font-size:18px}.brand p,.canvas-header p,.muted{color:#64748b;margin:4px 0 0;font-size:13px}.toolbar{gap:10px;display:grid}.toolbar button,.toolbar .upload{width:100%}.upload input{display:none}.stats{grid-template-columns:repeat(2,1fr);gap:8px;margin:18px 0;display:grid}.stats div,.doc-list article,.panel{background:#fff;border:1px solid #dbe3ee;border-radius:8px}.stats div{padding:12px}.stats strong{font-size:22px;display:block}.stats span{color:#64748b;font-size:12px}.graph-search{margin-bottom:18px}.graph-search label{background:#fff;border:1px solid #cbd5e1;border-radius:8px;align-items:center;gap:8px;min-height:38px;padding:0 10px;display:flex}.graph-search input{color:#172033;width:100%;min-width:0;font:inherit;background:0 0;border:0;outline:0}.graph-search span{color:#64748b;margin-top:6px;font-size:12px;display:block}.doc-list h2,.panel h2{align-items:center;gap:8px;display:flex}.doc-list article{margin-top:8px;padding:10px}.doc-list strong{font-size:13px;line-height:1.4;display:block}.doc-list span{color:#64748b;font-size:12px}.canvas{grid-template-rows:auto 1fr;min-width:0;display:grid}.canvas-header{background:#fff;border-bottom:1px solid #d8e0eb;justify-content:space-between;align-items:center;gap:20px;min-height:72px;padding:14px 18px;display:flex}.legend{color:#475569;flex-wrap:wrap;justify-content:flex-end;gap:10px;font-size:12px;display:flex}.legend span{align-items:center;gap:5px;display:inline-flex}.legend i{border-radius:2px;width:18px;height:3px;display:block}.panel{margin-bottom:14px;padding:14px}.detail h3{margin:12px 0 8px;font-size:20px}.detail p{color:#334155;font-size:14px;line-height:1.6}.merge-reason{background:#e0f2fe;border-radius:8px;padding:10px}.chat textarea{resize:vertical;width:100%;min-height:92px;font:inherit;border:1px solid #cbd5e1;border-radius:8px;margin:12px 0 8px;padding:10px}.chat button,.report button{width:100%}.rag-status{color:#475569;background:#f1f5f9;border-radius:8px;align-items:center;gap:8px;margin:12px 0 10px;padding:9px 10px;font-size:13px;display:flex}.rag-result h3{margin:14px 0 8px;font-size:14px}.chat-history{gap:8px;margin-top:12px;display:grid}.chat-bubble{border:1px solid #dbe3ee;border-radius:8px;padding:10px}.chat-bubble.user{background:#ecfeff;border-color:#bae6fd}.chat-bubble.assistant{background:#f8fafc}.chat-bubble span{color:#64748b;margin-bottom:4px;font-size:12px;font-weight:700;display:block}.chat-bubble p{color:#1e293b;margin:0;font-size:13px;line-height:1.55}.citation,.source-chunk{background:#f8fafc;border:1px solid #dbe3ee;border-radius:8px;margin-top:8px;padding:10px}.citation strong,.citation span,.citation code{display:block}.citation span{color:#64748b;margin:4px 0;font-size:12px}.citation code{color:#0f766e;word-break:break-all;font-size:11px}.source-chunk summary{cursor:pointer;color:#334155;font-size:13px;font-weight:650}.source-chunk p{color:#475569;margin:8px 0 0;font-size:12px;line-height:1.55}pre{white-space:pre-wrap;word-break:break-word;color:#e2e8f0;background:#0f172a;border-radius:8px;max-height:280px;margin:12px 0 0;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.55;overflow:auto}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=1100px){.app-shell{grid-template-columns:260px 1fr}.inspector{display:none}}