{
  description = "Home Manager configuration with nix-darwin support";

  inputs = {
    # Core dependencies - using unstable for latest packages
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";

    # Home Manager for user environment management
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # nix-darwin for macOS system configuration
    nix-darwin = {
      url = "github:LnL7/nix-darwin";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    zen-browser = {
      url = "github:0xc000022070/zen-browser-flake";
      inputs = {
        # IMPORTANT: we're using "libgbm" and is only available in unstable so ensure
        # to have it up-to-date or simply don't specify the nixpkgs input
        nixpkgs.follows = "nixpkgs";
        home-manager.follows = "home-manager";
      };
    };
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
    nix-darwin,
    ...
  } @ inputs: let
    # Default username - can be overridden per-host if needed
    username = "alice";

    # Common special args passed to all modules
    specialArgs = {inherit inputs username;};
  in {
    # Darwin (macOS) system configurations
    darwinConfigurations = {
      # Personal machine configuration
      "personal" = nix-darwin.lib.darwinSystem {
        system = "aarch64-darwin";
        inherit specialArgs;
        modules = [
          # Host-specific darwin configuration
          ./hosts/personal

          # Home Manager as a darwin module
          home-manager.darwinModules.home-manager
          {
            home-manager = {
              useGlobalPkgs = true;
              useUserPackages = true;
              extraSpecialArgs = specialArgs;
              users.${username} = {...}: {
                imports = [
                  ./home
                  ./home/personal.nix
                ];
              };
            };
          }
        ];
      };

      # Work machine configuration
      "work" = nix-darwin.lib.darwinSystem {
        system = "aarch64-darwin";
        inherit specialArgs;
        modules = [
          # Host-specific darwin configuration
          ./hosts/work

          # Home Manager as a darwin module
          home-manager.darwinModules.home-manager
          {
            home-manager = {
              useGlobalPkgs = true;
              useUserPackages = true;
              extraSpecialArgs = specialArgs;
              users.${username} = {...}: {
                imports = [
                  ./home
                  ./home/work.nix
                ];
              };
            };
          }
        ];
      };
    };

    # Development shell for working on this repository
    devShells = let
      systems = ["aarch64-darwin" "x86_64-darwin"];
      forAllSystems = nixpkgs.lib.genAttrs systems;
    in
      forAllSystems (system: let
        pkgs = nixpkgs.legacyPackages.${system};
      in {
        default = pkgs.mkShell {
          packages = with pkgs; [
            nixfmt-rfc-style
            nil # Nix LSP
          ];
        };
      });
  };
}