{
  pkgs,
  inputs,
  stdenv,
  ...
}:

{
  # Import the Catppuccin NixOS module
  imports = [
    inputs.catppuccin.nixosModules.catppuccin
  ];

  # Configure the Catppuccin GTK theme system-wide
  catppuccin = {
    gtk = {
      enable = true;
      flavor = "mocha";
    };
  };

  # Set the GTK theme and icon theme system-wide
  environment.systemPackages = with pkgs; [
    papirus-icon-theme
  ];

  # Force dark mode for all GTK applications
  environment.sessionVariables = {
    GTK_ENABLE_DARK_MODE = "1";
    GTK_THEME = "Catppuccin-Mocha-Standard-Blue-Dark";
    GTK_ICON_THEME = "Papirus-Dark";
  };

  # Home Manager configuration for your user
  home-manager.users.henrov = {
    gtk = {
      enable = true;
      theme = {
        name = "Catppuccin-Mocha-Standard-Blue-Dark";
      };
      iconTheme = {
        name = "Papirus-Dark";
      };
    };

    # Force dark mode for Zen Browser
    xdg.configFile."zen-browser/user.js".text = ''
      user_pref("widget.non-native-theme.enabled", false);
      user_pref("ui.systemUsesDarkTheme", 1);
    '';
  };
}