{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05?shallow=1";
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable?shallow=1"; # use by inputs.nixpkgs-unstable.legacyPackages."${pkgs.system}".[package name]

    home-manager = {
      url = "github:nix-community/home-manager/release-25.05?shallow=1";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nix-index-database = {
      url = "github:nix-community/nix-index-database?shallow=1";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nix-vscode-extensions.url = "github:nix-community/nix-vscode-extensions?shallow=1";

    system-manager = {
      url = "github:numtide/system-manager?shallow=1";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-system-graphics = {
      url = "github:soupglasses/nix-system-graphics?shallow=1";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { nixpkgs, home-manager, system-manager, nix-system-graphics, nix-index-database, ... }@inputs:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs {
        inherit system;
        overlays = [ system-manager.overlays.default ];
      };
    in
    {
      packages.${system}.homeConfigurations.deck = home-manager.lib.homeManagerConfiguration {
        inherit pkgs;
        extraSpecialArgs = { inherit inputs; };
        modules = [
          nix-index-database.homeModules.nix-index
          ./devices/deck/home.nix
        ];
      };
      systemConfigs.deck = system-manager.lib.makeSystemConfig {
        modules = [
          nix-system-graphics.systemModules.default
          {
            config = {
              nixpkgs.hostPlatform = "x86_64-linux";
              system-manager.allowAnyDistro = true;
              system-graphics.enable = true;
            };
          }
        ];
      };
    };
}