Update app.py

app.py

@@ -56,7 +56,8 @@ def generate_concept_map(json_input: str) -> str:
             graph_attr={
                 'rankdir': 'TB', # Top-to-Bottom
                 'splines': 'ortho', # Straight lines
-                'bgcolor': 'white' # Fondo blanco
+                'bgcolor': 'white', # Fondo blanco
+                'pad': '0.5' # ¡Este es el margen! 0.5 pulgadas
             }
         )
         
@@ -77,12 +78,6 @@ def generate_concept_map(json_input: str) -> str:
         # Helper function to recursively add nodes and edges
         def add_nodes_and_edges(parent_id, nodes_list, current_depth=0):
             # Calculate color for current depth, making it lighter
-            # We'll blend towards white based on depth
-            # Max depth in your example is 5 (central + 4 levels of nodes)
-            # We want colors to get lighter as depth increases
-            
-            # Simple linear interpolation for color lightening
-            # You can adjust the lightening factor (e.g., 0.15)
             lightening_factor = 0.12 # How much lighter each level gets
             
             # Convert base_color hex to RGB
@@ -91,7 +86,6 @@ def generate_concept_map(json_input: str) -> str:
             base_b = int(base_color[5:7], 16)
 
             # Calculate current node color
-            # Target is white (255, 255, 255)
             current_r = base_r + int((255 - base_r) * current_depth * lightening_factor)
             current_g = base_g + int((255 - base_g) * current_depth * lightening_factor)
             current_b = base_b + int((255 - base_b) * current_depth * lightening_factor)