{
  description = "Complete system and home config";

  inputs = {

    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";

    home-manager = {
      url = "github:nix-community/home-manager/release-25.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    home-manager-unstable = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    firefox-addons = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    quickshell = {
      url = "git+https://git.outfoxxed.me/quickshell/quickshell";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

  };

  outputs = { self, nixpkgs, nixpkgs-unstable, home-manager, home-manager-unstable, ... }@inputs: {

    nixosConfigurations = {

      arielle = nixpkgs.lib.nixosSystem {
        specialArgs = { inherit inputs; };
        modules = [
          ./hosts/arielle
          home-manager.nixosModules.home-manager {
            home-manager = {
              extraSpecialArgs = { inherit inputs; };
              useGlobalPkgs = true;
              useUserPackages = true;
              users = {

                till = {
                  imports = [
                    ./home/minimal
                    ./users/till/home.nix
                  ];
                };

              };
            };
          }
          {

            # firefox-addons.config.allowUnfreePredicate = pkg:
            #   builtins.elem (nixpkgs.lib.getName pkg) [
            #     "tampermonkey"
            #   ];

            nixpkgs.config.allowUnfreePredicate = pkg:
              builtins.elem (nixpkgs.lib.getName pkg) [
                "outline"
              ];
          }
        ];
      };

      homer = nixpkgs.lib.nixosSystem {
        specialArgs = { inherit inputs; };
        modules = [
          ./hosts/homer
        ];
      };

      mila = nixpkgs.lib.nixosSystem {
        specialArgs = { inherit inputs; };
        modules = [
          ./hosts/mila
        ];
      };

      nova = nixpkgs-unstable.lib.nixosSystem {
        specialArgs = { inherit inputs; };
        modules = [
          ./hosts/nova
          home-manager-unstable.nixosModules.home-manager {
            home-manager = {
              extraSpecialArgs = { inherit inputs; };
              useGlobalPkgs = true;
              useUserPackages = true;
              users = {

                till = {
                  imports = [
                    ./home/desktop-full
                    ./users/till/home.nix
                  ];
                };

                alt = {
                  imports = [
                    ./home/desktop-slim
                    ./users/alt/home.nix
                  ];
                };

                guest = {
                  imports = [
                    ./home/desktop-slim
                    ./users/guest/home.nix
                  ];
                };
              };
            };
          }
          {

            # firefox-addons.config.allowUnfreePredicate = pkg:
            #   builtins.elem (nixpkgs.lib.getName pkg) [
            #     "tampermonkey"
            #   ];

            nixpkgs.config.allowUnfreePredicate = pkg:
              builtins.elem (nixpkgs.lib.getName pkg) [
                "corefonts"
                "textfonts"
                "keymapp"
                "steam"
                "steam-unwrapped"
                # "tampermonkey"
              ];
          }
        ];
      };
    };
  };
}