{
  pkgs,
  lib,
  ...
}: let
  themes = {
    gtk-theme = pkgs.gruvbox-material-gtk-theme;
    kvantum-theme = pkgs.gruvbox-kvantum.override {
      variant = "Gruvbox-Dark-Green";
    };
    icon-theme = pkgs.gruvbox-plus-icons;
    cursor-theme = pkgs.simp1e-cursors;
  };
in {
  programs.dconf = {
    profiles.user.databases = [
      {
        settings = {
          "org/gnome/desktop/interface" = {
            color-scheme = "prefer-dark";
            cursor-size = lib.gvariant.mkUint32 24;
            cursor-theme = "Simp1e-Gruvbox-Dark";
            icon-theme = "Gruvbox-Plus-Dark";
            gtk-theme = "Gruvbox-Material-Dark";
          };
        };
      }
    ];
    enable = true;
  };

  qt = {
    enable = true;
    platformTheme = "qt5ct";
    style = "kvantum";
  };

  environment.systemPackages = builtins.attrValues themes;
  systemd.user.tmpfiles.rules = [
    "L+ %h/.config/gtk-4.0/gtk.css - - - - ${themes.gtk-theme}/share/themes/Gruvbox-Material-Dark/gtk-4.0/gtk.css"
    "L+ %h/.config/gtk-4.0/assets - - - - ${themes.gtk-theme}/share/themes/Gruvbox-Material-Dark/gtk-4.0/assets"
    "L+ %h/.config/Kvantum/Gruvbox-Dark-Green - - - - ${themes.kvantum-theme}/share/Kvantum/Gruvbox-Dark-Green/"
  ];
}