How to troubleshoot issues with the Audi 80's break system?

I have been experiencing issues with the break system of my Audi 80. The break pedal feels spongy and the car takes longer to come to a complete stop. What could be causing this problem and how can I fix it?

The first step is to check the brake fluid level. If it is low, try topping it off and see if that improves the break pedal's feel. If the fluid level is fine, it could be an issue with the brake pads or rotors. It is best to take your car to a certified mechanic for a thorough inspection and replacement, if necessary.