More importantly than how you handled it, was that you did handle it. You might feel like you struggled a bit, but you ultimately got done what you needed to do. So, give yourself a lot of credit for that.

Totally agree with TheGal about how hard it can be to see the edges of a newer car. When I first started driving a larger car, I struggled with spacial awareness- it was what exactly TheGal said. I am somewhat short and, at best, the hood appeared to drop off like an infinity pool. The solution was two -yes two - seat cushions to lift me up enough to be able to see all four corners of the car well, which makes maneuvering much easier. Perhaps you're dealing with something similar?

Sending positive vibes that this all gets figured out quickly and becomes just a memory.