UI styling: bottom menu components for mode and model should be more similar

<img width="323" alt="Image" src="https://github.com/user-attachments/assets/2c4975a8-4ade-49d1-9501-b877efb4c79d" />
<img width="323" alt="Image" src="https://github.com/user-attachments/assets/4da6599a-8e3f-46fe-963c-b1db5040ef1b" />

* bold text vs not 
* radio buttons different sizes
* lines between options vs not 