{ pkgs, ... }:

{
  environment.systemPackages = with pkgs; [
    catppuccin.gtk.mocha.standard.blue
    papirus-icon-theme
  ];

  gtk = {
    # <-- Correct option name
    enable = true;
    gtk3.enable = true;
    theme = {
      name = "Catppuccin-Mocha-Standard-Blue-Dark";
      variant = "dark";
    };
    iconTheme = {
      name = "Papirus-Dark";
    };
  };
}