{pkgs, ...}: let
  themes = {
    gtk-theme = pkgs.colloid-gtk-theme.override {
      themeVariants = ["purple"];
      tweaks = ["nord"];
    };
    icon-theme = pkgs.colloid-icon-theme.override {
      schemeVariants = ["nord"];
      colorVariants = ["purple"];
    };
    cursor-theme = pkgs.simp1e-cursors;
  };
in {
  alqueva.system.dconf = {
    enable = true;
    luminosity = "dark";
    theme = "Colloid-Purple-Dark-Nord";
    icon.theme = "Colloid-Purple-Nord-Dark";
    cursor = {
      size = 24;
      theme = "Simp1e-Nord-Dark";
    };
  };

  qt = {
    enable = true;
    platformTheme = "gnome";
    style = "adwaita-dark";
  };

  environment.systemPackages = builtins.attrValues themes;
  systemd.user.tmpfiles.rules = [
    "L+ %h/.config/gtk-4.0 - - - - ${themes.gtk-theme}/share/themes/Colloid-Purple-Dark-Nord/gtk-4.0"
  ];
}