add theme option

theme.py

@@ -0,0 +1,30 @@
+# themes.py
+
+THEMES = {
+    "light": {
+        "bg": "white",
+        "fg": "black",
+        "button_bg": "#eeeeee",  # Light gray
+        "button_fg": "black",
+    },
+    "dark": {
+        "bg": "#2d2d2d",  # Dark gray
+        "fg": "white",
+        "button_bg": "#555555",  # Darker gray
+        "button_fg": "white",
+    },
+}
+
+def apply_theme(root, theme):
+    selected_theme = THEMES.get(theme, THEMES["light"])  # Default to light theme if theme not found
+    root.configure(bg=selected_theme["bg"])
+
+    for widget in root.winfo_children():
+        apply_widget_theme(widget, selected_theme)
+
+
+def apply_widget_theme(widget, theme):
+    if widget.winfo_class() == "Button":
+        widget.configure(bg=theme["button_bg"], fg=theme["button_fg"])
+    else:
+        widget.configure(bg=theme["bg"], fg=theme["fg"])