diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 196043f27546d4901fa791e1ae473291936a2b48..e94b17551f979481f3ff884b9c3adf1f088cfbe1 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -274,107 +274,107 @@ namespace FlowForge
         
         private string GenerateTikzCode_Curved()
 {
-    if (_flowGraph == null)
-        throw new InvalidOperationException("Flow graph is not initialized.");
-
-    var tikzBuilder = new System.Text.StringBuilder();
-    tikzBuilder.AppendLine("\\documentclass[tikz,border=3mm]{standalone}");
-    tikzBuilder.AppendLine("\\usetikzlibrary{arrows.meta,positioning}");
-    tikzBuilder.AppendLine("\\usepackage{amsmath}");
-    tikzBuilder.AppendLine("\\begin{document}");
-    
-    // Global scaling and styles for smaller nodes and text
-    tikzBuilder.AppendLine("\\begin{tikzpicture}[scale=3,->,>=stealth,shorten >=1pt,auto,node distance=2cm,thick,");
-    tikzBuilder.AppendLine("main node/.style={circle,draw,minimum size=1mm,inner sep=1pt,font=\\scriptsize}]");
-
-    // Nodes
-    foreach (var vertex in _flowGraph.Graph.Vertices)
-    {
-        if (_nodePositions.ContainsKey(vertex.Id))
+        if (_flowGraph == null)
+            throw new InvalidOperationException("Flow graph is not initialized.");
+
+        var tikzBuilder = new System.Text.StringBuilder();
+        tikzBuilder.AppendLine("\\documentclass[tikz,border=3mm]{standalone}");
+        tikzBuilder.AppendLine("\\usetikzlibrary{arrows.meta,positioning}");
+        tikzBuilder.AppendLine("\\usepackage{amsmath}");
+        tikzBuilder.AppendLine("\\begin{document}");
+        
+        // Global scaling and styles for smaller nodes and text
+        tikzBuilder.AppendLine("\\begin{tikzpicture}[scale=3,->,>=stealth,shorten >=1pt,auto,node distance=2cm,thick,");
+        tikzBuilder.AppendLine("main node/.style={circle,draw,minimum size=5mm,inner sep=1pt,font=\\scriptsize}]");
+
+        // Nodes
+        foreach (var vertex in _flowGraph.Graph.Vertices)
         {
-            var position = _nodePositions[vertex.Id];
-            // Format x and y as floating-point values with two decimal places
-            string formattedX = (position.X / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
-            string formattedY = (position.Y / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
+            if (_nodePositions.ContainsKey(vertex.Id))
+            {
+                var position = _nodePositions[vertex.Id];
+                // Format x and y as floating-point values with two decimal places
+                string formattedX = (position.X / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
+                string formattedY = (position.Y / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
 
-            tikzBuilder.AppendLine($"\\node[main node] ({vertex.Id}) at ({formattedX},{formattedY}) {{{vertex.Id}}};");
+                tikzBuilder.AppendLine($"\\node[main node] ({vertex.Id}) at ({formattedX},{formattedY}) {{{vertex.Id}}};");
+            }
         }
-    }
-
-    // Edges
-    foreach (var edge in _flowGraph.GetEdges())
-    {
-        string label = $"{edge.Residual}/{edge.MaxFlow}";
 
-        if (edge.IsBackwards)
+        // Edges
+        foreach (var edge in _flowGraph.GetEdges())
         {
-            // Reverse edge styling (curved, dashed, different color)
-            tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}},bend right,dashed,red] ({edge.Source.Id}) edge [pos=0.5,sloped] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
-        }
-        else
-        {
-            // Normal edge styling
-            tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}}] ({edge.Source.Id}) edge [pos=0.5,sloped] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
-        }
-    }
-
-    tikzBuilder.AppendLine("\\end{tikzpicture}");
-    tikzBuilder.AppendLine("\\end{document}");
+            string label = $"{edge.Residual}/{edge.MaxFlow}";
 
-    return tikzBuilder.ToString();
-}
+            if (edge.IsBackwards)
+            {
+                // Reverse edge styling (curved, dashed, different color)
+                tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}},bend right,dashed,red] ({edge.Source.Id}) edge [pos=0.5,sloped] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
+            }
+            else
+            {
+                // Normal edge styling
+                tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}}] ({edge.Source.Id}) edge [pos=0.5,sloped] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
+            }
+        }
 
-        private string GenerateTikzCode()
-{
-    if (_flowGraph == null)
-        throw new InvalidOperationException("Flow graph is not initialized.");
-
-    var tikzBuilder = new System.Text.StringBuilder();
-    tikzBuilder.AppendLine("\\documentclass[tikz,border=3mm]{standalone}");
-    tikzBuilder.AppendLine("\\usetikzlibrary{arrows.meta,positioning}");
-    tikzBuilder.AppendLine("\\usepackage{amsmath}");
-    tikzBuilder.AppendLine("\\begin{document}");
-    
-    // Global scaling and styles for smaller nodes and text
-    tikzBuilder.AppendLine("\\begin{tikzpicture}[scale=3,->,>=stealth,shorten >=1pt,auto,node distance=2cm,thick,");
-    tikzBuilder.AppendLine("main node/.style={circle,draw,minimum size=1mm,inner sep=1pt,font=\\scriptsize}]");
-
-    // Nodes
-    foreach (var vertex in _flowGraph.Graph.Vertices)
-    {
-        if (_nodePositions.ContainsKey(vertex.Id))
-        {
-            var position = _nodePositions[vertex.Id];
-            // Format x and y as floating-point values with two decimal places
-            string formattedX = (position.X / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
-            string formattedY = (position.Y / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
+        tikzBuilder.AppendLine("\\end{tikzpicture}");
+        tikzBuilder.AppendLine("\\end{document}");
 
-            tikzBuilder.AppendLine($"\\node[main node] ({vertex.Id}) at ({formattedX},{formattedY}) {{{vertex.Id}}};");
-        }
+        return tikzBuilder.ToString();
     }
 
-    // Edges
-    foreach (var edge in _flowGraph.GetEdges())
+            private string GenerateTikzCode()
     {
-        string label = $"{edge.Residual}/{edge.MaxFlow}";
+        if (_flowGraph == null)
+            throw new InvalidOperationException("Flow graph is not initialized.");
+
+        var tikzBuilder = new System.Text.StringBuilder();
+        tikzBuilder.AppendLine("\\documentclass[tikz,border=3mm]{standalone}");
+        tikzBuilder.AppendLine("\\usetikzlibrary{arrows.meta,positioning}");
+        tikzBuilder.AppendLine("\\usepackage{amsmath}");
+        tikzBuilder.AppendLine("\\begin{document}");
+        
+        // Global scaling and styles for smaller nodes and text
+        tikzBuilder.AppendLine("\\begin{tikzpicture}[scale=3,->,>=stealth,shorten >=1pt,auto,node distance=2cm,thick,");
+        tikzBuilder.AppendLine("main node/.style={circle,draw,minimum size=1mm,inner sep=1pt,font=\\scriptsize}]");
 
-        if (edge.IsBackwards)
+        // Nodes
+        foreach (var vertex in _flowGraph.Graph.Vertices)
         {
-            // Reverse edge styling: offset slightly above forward edges
-            tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}},dashed,red] ({edge.Source.Id}) edge [pos=0.5,above] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
+            if (_nodePositions.ContainsKey(vertex.Id))
+            {
+                var position = _nodePositions[vertex.Id];
+                // Format x and y as floating-point values with two decimal places
+                string formattedX = (position.X / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
+                string formattedY = (position.Y / 100.0).ToString("F2", System.Globalization.CultureInfo.InvariantCulture);
+
+                tikzBuilder.AppendLine($"\\node[main node] ({vertex.Id}) at ({formattedX},{formattedY}) {{{vertex.Id}}};");
+            }
         }
-        else
+
+        // Edges
+        foreach (var edge in _flowGraph.GetEdges())
         {
-            // Normal edge styling
-            tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}}] ({edge.Source.Id}) edge [pos=0.5,below] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
+            string label = $"{edge.Residual}/{edge.MaxFlow}";
+
+            if (edge.IsBackwards)
+            {
+                // Reverse edge styling: offset slightly above forward edges
+                tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}},dashed,red] ({edge.Source.Id}) edge [pos=0.5,above] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
+            }
+            else
+            {
+                // Normal edge styling
+                tikzBuilder.AppendLine($"\\path[every node/.style={{font=\\tiny}}] ({edge.Source.Id}) edge [pos=0.5,below] node {{\\texttt{{{label}}}}} ({edge.Target.Id});");
+            }
         }
-    }
 
-    tikzBuilder.AppendLine("\\end{tikzpicture}");
-    tikzBuilder.AppendLine("\\end{document}");
+        tikzBuilder.AppendLine("\\end{tikzpicture}");
+        tikzBuilder.AppendLine("\\end{document}");
 
-    return tikzBuilder.ToString();
-}
+        return tikzBuilder.ToString();
+    }
 
         
         private void ExportGraphToLatex(string filePath)