Social democratic doesn't mean the social democratic party is somehow in permanent government position.
In Norway it is pretty common to refer to the Norwegian system as social democratic because society has been so profoundly shaped by social democratic policies over so many decades.
Whether conservative or liberal, most parties in Norway and Sweden have had to embrace many of the core tenants of social democracy. You cannot win elections otherwise.
It is true that there are been economic liberalization since the 1980s. The economy used be a lot more planned. We had quite detailed 5 year plans akin to the Soviets, built using a computer model of the economy called MODIS.
However society has moved further left on many other axis. The welfare system has expanded a lot since the 1980s.
And many of the typical socialist stuff like worker representation on corporate boards is still there and has even been enshrined in the constitution.
The triparty agreements between workers, ,employers and government forming a sort of corporatist state is still very much there.
Sounds a bit odd that you experienced fresh fruit and vegtables as luxuries in the 1980s. I really wonder where you went, Spitzbergen?
What was true was that it was certain fruits from far away which was kind of like luxuries, but Norway has long grown lots of fruits, and back in the 1980s there was plum and apple trees everywhere. It was not hard to get apples but I generally preferred apples bought in the store.
Strawberries, raspberries, blueberries I ate a lot of in 80s as a kid. But bananas and oranges were pretty common. I do remember that it was quite a novelty when the Kiwi came.
As for meat. I dunno, I remember eating a fair amount of meat, but we ate a lot more fish products then. Yes alcohol was and is still expensive.
The home made stuff is rare today however. People buy in the tax free instead since it is so common to travel.
To me what marked the 80s more was simply the much smaller selection of everything. You could not get a lot of variety of things.