{
  description = "charlotte's NixOS flake";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
  };
  outputs =
    { self
    , nixpkgs
    , nixpkgs-unstable
    , ...
    }@inputs:
    {
      nixosConfigurations = {
        runestone = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";

          specialArgs = {
            user-pkgs = self.packages."x86_64-linux";
            unstable-pkgs = nixpkgs-unstable.legacyPackages."x86_64-linux";
          };

          modules = [
            (
              { ... }:
              {
                system.stateVersion = "24.05";
              }
            )

            ./profiles/common/base.nix
            ./profiles/common/locale.nix
            ./profiles/common/networking.nix

            ./profiles/runestone/hardware-configuration.nix
            ./profiles/runestone/base.nix
          ];
        };
      };

      packages = {
        x86_64-linux = import ./packages/default.nix {
          pkgs = import nixpkgs { system = "x86_64-linux"; };
        };
      };
    };
}