{
  nixConfig = {
    experimental-features = [
      "flakes"
      "nix-command"
    ];
  };
  inputs = {
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-25.05";
    impermanence.url = "github:nix-community/impermanence";
    millennium = {
      url = "github:SteamClientHomebrew/Millennium?dir=packages/nix";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    home-manager = {
      url = "github:nix-community/home-manager/master";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    hm-stable = {
      url = "github:nix-community/home-manager/release-25.05";
      inputs.nixpkgs.follows = "nixpkgs-stable";
    };
    lanzaboote = {
      url = "github:nix-community/lanzaboote/v1.0.0";
      # Optional but recommended to limit the size of your system closure.
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    asus-numberpad-driver = {
      url = "github:asus-linux-drivers/asus-numberpad-driver";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    lix-module = {
      url = "git+https://git.lix.systems/lix-project/nixos-module";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    zapret-discord-youtube.url = "github:kartavkun/zapret-discord-youtube";
#    chaotic.url = "github:chaotic-cx/nyx/nyxpkgs-unstable";
  };

  outputs = { self, nixpkgs-unstable, impermanence, home-manager, nixpkgs-stable, hm-stable, lanzaboote, millennium, lix-module, asus-numberpad-driver, zapret-discord-youtube, ...}@inputs: {
    nixosConfigurations = {
      Ratchet = nixpkgs-unstable.lib.nixosSystem {
        system = "x86_64-linux";
        specialArgs = { inherit inputs; };
        modules = [
          impermanence.nixosModules.impermanence
          asus-numberpad-driver.nixosModules.default

          ./desktop/kde.nix

          ./hosts/generic/configuration_generic.nix
          ./hosts/generic/users.nix
          ./hosts/generic/networking.nix
          ./hosts/generic/unfree_allow.nix
          ./hosts/generic/persistence.nix
          ./hosts/generic/printing.nix
          ./hosts/generic/plymouth.nix
          ./hosts/generic/virtualization.nix
          ./hosts/generic/security_quirks.nix

          ./hosts/Ratchet/hardware.nix
          ./hosts/Ratchet/filesystems.nix
          ./hosts/Ratchet/fingerprint.nix
          ./hosts/Ratchet/misc.nix
          
          ./home/yaroslav/steam.nix

          lanzaboote.nixosModules.lanzaboote
          ({ pkgs, lib, ... }: {
            # Lanzaboote currently replaces the systemd-boot module.
            # This setting is usually set to true in configuration.nix
            # generated at installation time. So we force it to false
            # for now.
            boot.loader.systemd-boot.enable = lib.mkForce false;
            boot.lanzaboote = {
              enable = true;
              pkiBundle = "/var/lib/sbctl";
            };
          })
          home-manager.nixosModules.home-manager
          {
            home-manager.useUserPackages = true;
            home-manager.users.yaroslav = {
              imports = [
                ./home/yaroslav/home.nix
                ./home/yaroslav/home_gui.nix
                ./home/yaroslav/kitty.nix
              ];
            };
          }
        ];
      };

      Aphelion = nixpkgs-unstable.lib.nixosSystem {
        system = "x86_64-linux";
        specialArgs = { inherit inputs; };
        modules = [
          impermanence.nixosModules.impermanence
          ./desktop/kde.nix

          ./hosts/generic/configuration_generic.nix
          ./hosts/generic/users.nix
          ./hosts/generic/networking.nix
          ./hosts/generic/persistence.nix
          ./hosts/generic/plymouth.nix
          ./hosts/generic/virtualization.nix
          ./hosts/generic/unfree_allow.nix
          ./hosts/generic/printing.nix
          ./hosts/generic/nix-ld.nix

          ./hosts/Aphelion/hardware.nix
          ./hosts/Aphelion/filesystems.nix
          ./hosts/Aphelion/media.nix
          ./hosts/Aphelion/misc.nix
          ./hosts/Aphelion/networking.nix
          
          ./home/yaroslav/steam.nix

          lanzaboote.nixosModules.lanzaboote
          ({ pkgs, lib, ... }: {
            # Lanzaboote currently replaces the systemd-boot module.
            # This setting is usually set to true in configuration.nix
            # generated at installation time. So we force it to false
            # for now.
            boot.loader.systemd-boot.enable = lib.mkForce false;
            boot.lanzaboote = {
              enable = true;
              pkiBundle = "/var/lib/sbctl";
            };
          })

          home-manager.nixosModules.home-manager
          {
            home-manager.useUserPackages = true;
            home-manager.users.yaroslav = {
              imports = [
                ./home/yaroslav/Aphelion/Aphelion.nix
                ./home/yaroslav/home_gui.nix
                ./home/yaroslav/kitty.nix
              ];
            };
          }
        ];
      };

      Qwark = nixpkgs-stable.lib.nixosSystem {
        system = "x86_64-linux";
        specialArgs = { inherit inputs; };
        modules = [
          impermanence.nixosModules.impermanence
          ./hosts/generic/configuration_generic.nix
          ./hosts/generic/users.nix
          ./hosts/Quark/Quark-hardware.nix
	        ./hosts/Quark/smb.nix
	        ./hosts/Quark/sound.nix
          ./hosts/generic/virtualization.nix
          hm-stable.nixosModules.home-manager {
            home-manager.useUserPackages = true;
            home-manager.users.yaroslav = {
              imports = [
                ./home/yaroslav/home.nix
              ];
            };
          }
        ];
    };
  };
};
}