edge colour

app.py

@@ -98,7 +98,7 @@ def dynamic_visualize_graph(graph, start_node, layers=3, top_k=5, show_titles=Fa
                 edge = (node, neighbor)
                 if edge not in added_edges:
                     edge_width = math.log(weight + 1) * 8
-                    net.add_edge(node, neighbor, label=f"w:{weight}", width=edge_width, color='lightblue')
+                    net.add_edge(node, neighbor, label=f"w:{weight}", width=edge_width, color='lightgray')
                     added_edges.add(edge)
                 visited_nodes.add(neighbor)
                 next_nodes.append(neighbor)