{
  description = "My Nomarchy machine";

  inputs = {
    # Pin Nomarchy; nixpkgs and home-manager follow whatever it ships.
    nomarchy.url = "github:YOUR-USER/nomarchy"; # <- point at the distro repo
    nixpkgs.follows = "nomarchy/nixpkgs";
    home-manager.follows = "nomarchy/home-manager";
  };

  outputs = { self, nomarchy, nixpkgs, home-manager, ... }:
    let
      system = "x86_64-linux";
      username = "me"; # <- your login name

      pkgs = import nixpkgs {
        inherit system;
        overlays = [ nomarchy.overlays.default ];
      };
    in
    {
      # System layer — rebuilt rarely:
      #   sudo nixos-rebuild switch --flake .#default
      nixosConfigurations.default = nixpkgs.lib.nixosSystem {
        inherit system;
        modules = [
          nomarchy.nixosModules.nomarchy   # the distro
          ./hardware-configuration.nix     # from `nixos-generate-config`
          ./system.nix                     # your machine
        ];
      };

      # Desktop layer — rebuilt on every theme change, no sudo:
      #   home-manager switch --flake .#me
      # (`nomarchy-theme-sync apply <theme>` runs this for you.)
      homeConfigurations.${username} = home-manager.lib.homeManagerConfiguration {
        inherit pkgs;
        modules = [
          nomarchy.homeModules.nomarchy
          ./home.nix
          {
            # Your theme state — written by nomarchy-theme-sync, baked
            # in on every switch. Keep it git-tracked.
            nomarchy.stateFile = ./theme-state.json;
            home = {
              inherit username;
              homeDirectory = "/home/${username}";
            };
          }
        ];
      };
    };
}