Bucket seats

well you might find the seat from a mazda mx5/eunos roadster/MX-5 Miata are a nice option.
1) narrow semi bucket
2) some made in leather
3) seat back comes forward and can be reclined to near bed like extent

in the UK cost second hand anything for £50 - £600 (for a fully trimmed restored pair)

early cars 1989- 1994 onwards are at the bottom of the value curve, rust belt states should have junk yard cars if you can stand the shipping. corrosion gets them, UV kills the soft tops even in the UK, and their water pump fails at 65K miles

Dave