{
  description = "Evie's machine configurations";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland = {
      url = "github:hyprwm/Hyprland";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    anyrun = {
      url = "github:Kirottu/anyrun";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    wallpapers.url = "git+https://git.xenia.me.uk/xenia/wallpapers.git";
    catppuccin-alacritty = {
      url = "github:catppuccin/alacritty";
      flake = false;
    };
    catppuccin-bat = {
      url = "github:catppuccin/bat";
      flake = false;
    };
    catppuccin-fish = {
      url = "github:catppuccin/fish";
      flake = false;
    };
    catppuccin-gitui = {
      url = "github:catppuccin/gitui";
      flake = false;
    };
    catppuccin-hyprland = {
      url = "github:catppuccin/hyprland";
      flake = false;
    };
    catppuccin-zathura = {
      url = "github:catppuccin/zathura";
      flake = false;
    };
    catppuccin-zsh = {
      url = "github:catppuccin/zsh-syntax-highlighting";
      flake = false;
    };
  };

  outputs =
    inputs@{ self, nixpkgs, home-manager, hyprland, anyrun, wallpapers, ... }:
    let
      catppuccin-themes = with inputs; {
        alacritty = "${catppuccin-alacritty}/catppuccin-mocha.yml";
        bat = "${catppuccin-bat}/Catppuccin-mocha.tmTheme";
        fish = "${catppuccin-fish}/themes/Catppuccin Mocha.theme";
        gitui = "${catppuccin-gitui}/theme/mocha.ron";
        hyprland = "${catppuccin-hyprland}/themes/mocha.conf";
        zathura = "${catppuccin-zathura}/src/catppuccin-mocha";
        zsh =
          "${catppuccin-zsh}/themes/catppuccin_mocha-zsh-syntax-highlighting.zsh";
      };
      systemConfig =
        { hostName, user ? "xenia", system ? "x86_64-linux", shell ? "zsh" }:
        let
          pkgs = import nixpkgs {
            inherit system;
            config.allowUnfree = true;
            overlays = [
              (final: prev: {
                waybar = prev.waybar.overrideAttrs (oldAttrs: {
                  mesonFlags = oldAttrs.mesonFlags ++ [ "-Dexperimental=true" ];
                });
              })
            ];
          };
        in nixpkgs.lib.nixosSystem {
          inherit pkgs;
          specialArgs = { inherit hostName user shell hyprland; };
          modules = [
            ./hosts/${hostName}/configuration.nix
            ./services/${hostName}.nix
            {
              networking = { inherit hostName; };
              users.users.${user} = {
                isNormalUser = true;
                description = "Evie Litherland-Smith";
                group = "users";
                extraGroups = [ "networkmanager" "wheel" "video" ];
                shell = pkgs.${shell};
                openssh.authorizedKeys.keys = import ./auth/authorized_keys.nix;
              };
              programs.${shell}.enable = true;
            }
            home-manager.nixosModules.home-manager
            {
              home-manager = {
                useGlobalPkgs = true;
                useUserPackages = true;
                extraSpecialArgs = {
                  inherit hostName user shell hyprland anyrun wallpapers
                    catppuccin-themes;
                  shellConfig = ./home/shell/${shell}.nix;
                };
                users.${user} = import ./hosts/${hostName}/home.nix;
              };
            }
          ];
        };
      homeConfig = { hostName, user, system ? "x86_64-linux", shell ? "zsh" }:
        home-manager.lib.homeManagerConfiguration {
          pkgs = nixpkgs.legacyPackages.${system};
          extraSpecialArgs = {
            inherit hostName user shell hyprland anyrun wallpapers
              catppuccin-themes;
            shellConfig = ./home/shell/${shell}.nix;
          };
          modules = [ ./hosts/${hostName}/home.nix ];
        };
    in {
      nixosConfigurations = {
        Legion = systemConfig {
          hostName = "Legion";
          user = "xenia";
          system = "x86_64-linux";
          shell = "zsh";
        };
        Northstar = systemConfig {hostName = "Northstar"; user = "xenia"; system = "x86_64-linux"; shell = "zsh";};
        Ronin = systemConfig {
          hostName = "Ronin";
          user = "elitherl";
          system = "x86_64-linux";
          shell = "zsh";
        };
        Vanguard = systemConfig {
          hostName = "Vanguard";
          user = "xenia";
          system = "x86_64-linux";
          shell = "zsh";
        };
      };
      homeConfigurations = {
        "tux@Monarch" = homeConfig {
          hostName = "Monarch";
          user = "tux";
          system = "aarch64-darwin";
          shell = "zsh";
        };
      };
    };
}