{
  description = "Evie's machine configurations";

  nixConfig = {
    extra-substituters = [ "https://nix.xenia.me.uk" ];
    extra-trusted-public-keys = [ "nix.xenia.me.uk:tlgwOaG5KMLjQUk2YaErS8mAG69ZCr3PaHXZYi+Y5eI=" ];
  };

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    home-manager = {
      url = "github:nix-community/home-manager/release-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    plasma-manager = {
      url = "github:nix-community/plasma-manager";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        home-manager.follows = "home-manager";
      };
    };
    iosevka-custom.url = "git+https://git.xenia.me.uk/pixelifytica/iosevka.git";
    base16.url = "github:SenchoPens/base16.nix";
    tt-schemes = {
      url = "github:tinted-theming/schemes";
      flake = false;
    };
  };

  outputs =
    {
      nixpkgs,
      home-manager,
      plasma-manager,
      iosevka-custom,
      base16,
      tt-schemes,
      ...
    }@inputs:
    let
      defaultSpecialArgs =
        {
          system ? "x86_64-linux",
          ...
        }:
        {
          inherit inputs;
          iosevkaCustom = {
            packages = iosevka-custom.outputs.packages.${system};
            names = iosevka-custom.outputs.names;
          };
        };
      defaultExtraSpecialArgs =
        { system }:
        let
          iosevkaCustom = {
            packages = iosevka-custom.outputs.packages.${system};
            names = iosevka-custom.outputs.names;
          };
        in
        {
          inherit inputs iosevkaCustom;
          inherit (plasma-manager.packages.${system}) rc2nix;
          accentColourName = "base0E";
          fonts = with iosevkaCustom; rec {
            sizes = {
              applications = 12;
              desktop = 10;
              popups = 14;
              terminal = 12;
            };
            serif = sansSerif;
            sansSerif = {
              name = names.iosevka-custom-aile;
              package = packages.iosevka-custom-aile;
            };
            monospace = {
              name = names.iosevka-custom-nerdfont;
              package = packages.iosevka-custom-nerdfont;
            };
          };
        };
      defaultModules =
        {
          system ? "x86_64-linux",
          username ? "pixelifytica",
          hostName ? "Atlas",
          loginShell ? "bash",
          ...
        }:
        [
          home-manager.nixosModules.home-manager
          ./system/default.nix
          ./system/${hostName}.nix
          ./system/hardware-configuration/${hostName}.nix
          (
            {
              config,
              lib,
              pkgs,
              ...
            }:
            {
              networking = {
                inherit hostName;
              };
              nix.settings.trusted-users = [ username ];
              services.greetd.settings.initial_session.user = username;
              programs.${loginShell} = lib.mkIf (loginShell != "bash") { enable = true; };
              users.users.${username} = {
                shell = pkgs.${loginShell};
                group = "users";
                isNormalUser = true;
                description = "Evie Litherland-Smith";
                extraGroups = [
                  "networkmanager"
                  "wheel"
                  "video"
                  "input"
                  "uinput"
                  "dialout"
                ];
                initialHashedPassword = "$y$j9T$tHIPQt09Kf3KH2eIRze3g/$2mwSlcq27DTGvHNPJ5EP9/1CfL3bXP0F6oS/Vuffmn3";
                openssh = {
                  inherit (config.users.users.root.openssh) authorizedKeys;
                };
              };
              home-manager = {
                extraSpecialArgs = defaultExtraSpecialArgs { inherit system; };
                useGlobalPkgs = true;
                useUserPackages = true;
                backupFileExtension = "backup";
                users.${username} = {
                  imports = [
                    base16.homeManagerModule
                    { scheme = "${tt-schemes}/base16/one-light.yaml"; }
                    ./home/${hostName}.nix
                  ];
                  home = {
                    inherit username;
                    homeDirectory = "/home/${username}";
                    stateVersion = "23.05";
                  };
                  programs.home-manager.enable = true;
                  nixpkgs.config.allowUnfree = true;
                };
              };
            }
          )
        ];
    in
    {
      devShells.x86_64-linux.default =
        let
          pkgs = import nixpkgs { system = "x86_64-linux"; };
        in
        pkgs.mkShellNoCC {
          packages = with pkgs; [
            nil
            pre-commit
          ];
          shellHook = "pre-commit install --install-hooks";
        };
      nixosConfigurations = {
        ## Server
        Legion =
          let
            system = "x86_64-linux";
            username = "pixelifytica";
            hostName = "Legion";
          in
          nixpkgs.lib.nixosSystem {
            specialArgs = defaultSpecialArgs { inherit system; };
            modules = defaultModules { inherit system username hostName; };
          };
        ## Personal
        Northstar =
          let
            system = "x86_64-linux";
            username = "pixelifytica";
            hostName = "Northstar";
          in
          nixpkgs.lib.nixosSystem {
            specialArgs = defaultSpecialArgs { inherit system; };
            modules = defaultModules { inherit system username hostName; };
          };
        Vanguard =
          let
            system = "x86_64-linux";
            username = "pixelifytica";
            hostName = "Vanguard";
          in
          nixpkgs.lib.nixosSystem {
            specialArgs = defaultSpecialArgs { inherit system; };
            modules = defaultModules { inherit system username hostName; };
          };
        ## Work
        Tone =
          let
            system = "x86_64-linux";
            username = "elitherl";
            hostName = "Tone";
          in
          nixpkgs.lib.nixosSystem {
            specialArgs = defaultSpecialArgs { inherit system; };
            modules = defaultModules { inherit system username hostName; };
          };
        Scorch =
          let
            system = "x86_64-linux";
            username = "elitherl";
            hostName = "Scorch";
          in
          nixpkgs.lib.nixosSystem {
            specialArgs = defaultSpecialArgs { inherit system; };
            modules = defaultModules { inherit system username hostName; };
          };
      };
    };
}