Fix: Add missing border_width to CTkFrame in custom themes

custom_theme_dark.json

@@ -47,5 +47,10 @@
     "text_color": ["#ecd7b2", "#ecd7b2"],
     "corner_radius": 8,
     "border_color": ["#333333", "#333333"]
+  },
+  "CTkFont": {
+    "family": ["Roboto", "Roboto"],
+    "size": [13, 13],
+    "weight": ["normal", "normal"]
   }
 }

custom_theme_light.json

@@ -47,5 +47,10 @@
     "text_color": ["#000000", "#000000"],
     "corner_radius": 8,
     "border_color": ["#cccccc", "#cccccc"]
+  },
+  "CTkFont": {
+    "family": ["Roboto", "Roboto"],
+    "size": [13, 13],
+    "weight": ["normal", "normal"]
   }
 }

gui.py

@@ -21,7 +21,7 @@ class VideoConverterGUI:
 
         # --- Set Dark Mode by Default ---
         customtkinter.set_appearance_mode("Dark")  # Modes: "System", "Dark", "Light"
-        customtkinter.set_default_color_theme(os.path.join(os.path.dirname(__file__), "custom_theme_dark.json"))
+        customtkinter.set_default_color_theme("blue")
 
         # --- Footer Frame ---
         self.footer_frame = customtkinter.CTkFrame(master, fg_color="transparent")
@@ -110,10 +110,8 @@ class VideoConverterGUI:
         # Check if the switch is on (1) or off (0)
         if self.mode_switch.get() == 1:
             customtkinter.set_appearance_mode("Dark")
-            customtkinter.set_default_color_theme(os.path.join(os.path.dirname(__file__), "custom_theme_dark.json"))
         else:
             customtkinter.set_appearance_mode("Light")
-            customtkinter.set_default_color_theme(os.path.join(os.path.dirname(__file__), "custom_theme_light.json"))
 
     def browse_file(self):
         filepath = filedialog.askopenfilename()