{
  description = "A polished GTK4/libadwaita GUI configurator for the niri Wayland compositor";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs =
    { self, nixpkgs }:
    let
      supportedSystems = [
        "x86_64-linux"
        "aarch64-linux"
      ];
      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
    in
    {
      packages = forAllSystems (system: let
        pkgs = nixpkgs.legacyPackages.${system};
      in {
        default = pkgs.callPackage ./package.nix { };
      });

      overlays.default = final: prev: {
        nirimod = final.callPackage ./package.nix { };
      };

      apps = forAllSystems (system: {
        default = {
          type = "app";
          program = "${self.packages.${system}.default}/bin/nirimod";
        };
      });
    };
}