I’d say 1984 plus Brave New World.
Not much of a reach either, we have PC for Newspeak, and lots of pharmaceutical support behind the social fabric.
Second, if you just think that the book was just about communism, then you did not understand it very well.
The morale of the book is the "people" throwing out what they see as dictators abusing them, replacing it by a democracy/ free society. But then, the people enslave themselves to go little by little into another from of dictature. But they drive themselves to the butcher voluntarily by allowing each time new restrictions on their liberties and rights because it looks justified. Not realizing where this is leading them and forgetting the past. They think that they have free will but they don't really have because they are manipulated.
It happens that communism implementation did fit very well into this pattern. But if you look at it, communist China and Russia also pretends to be kind of democracy and only the voice of their people.
Of course it is worrying that secret services get more power, but
> We are now on the downward trend of civil rights everywhere. This makes me very worried.
when civil rights get abused or the rule of law cannot be upheld, society and the goverment have to react. There is no easy fix for this. I wish they'd expand the powers of intelligence services more carefully, but such is not the political climate at the moment.
And please, don't put democracies between scare quotes. You're not quoting the article.