{
  config,
  lib,
  pkgs,
  unstablePkgs,
  inputs,
  ...
}: let
  system = pkgs.system;
in {
  imports = [
    ./hardware-configuration.nix
    ./packages.nix
    ./backups.nix
  ];
  nixpkgs = {
    overlays = import ./overlays.nix {inherit inputs;};
  };

  nix.settings.experimental-features = ["nix-command" "flakes"];

  boot.kernelPackages = unstablePkgs.linuxPackages_zen;
  boot.supportedFilesystems = ["btrfs"];

  hardware.enableAllFirmware = true;
  nixpkgs.config.allowUnfree = true;
  nixpkgs.config.allowInsecurePredicate = pkg: true;

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "aubrey-laptop-nixos";
  networking.networkmanager.enable = true;

  time.timeZone = "America/Regina";

  i18n.defaultLocale = "en_US.UTF-8";
  i18n.inputMethod = {
    enable = true;
    type = "fcitx5";
    fcitx5 = {
      waylandFrontend = true;
      addons = with pkgs; [
        fcitx5-mozc
        kdePackages.fcitx5-qt
        kdePackages.fcitx5-configtool
      ];
    };
  };

  console = {
    font = "Lat2-Terminus16";
    useXkbConfig = true;
  };

  services.displayManager.sddm = {
    enable = true;
    wayland = {
      enable = true;
    };
  };
  services.desktopManager.plasma6.enable = true;
  hardware.graphics.enable = true;

  services.printing.enable = true;
  services.pipewire = {
    enable = true;
    pulse.enable = true;
  };
  services.libinput.enable = true;

  users.users.aubrey = {
    description = "Aubrey";
    isNormalUser = true;
    extraGroups = ["wheel" "plugdev" "wireshark" "libvirtd"];
    packages = with pkgs; [
      tree
    ];
    shell = pkgs.nushell;
  };

  security.sudo.wheelNeedsPassword = false;

  programs.firefox.enable = true;
  programs.thunderbird.enable = true;

  programs.virt-manager.enable = true;
  users.groups.libvirtd.members = ["aubrey"];
  virtualisation.spiceUSBRedirection.enable = true;
  virtualisation.libvirtd = {
    enable = true;
    qemu.vhostUserPackages = with pkgs; [virtiofsd];
  };

  programs._1password.enable = true;
  programs._1password-gui = {
    enable = true;
    polkitPolicyOwners = ["aubrey"];
  };
  environment.etc = {
    "1password/custom_allowed_browsers" = {
      text = ''
        zen
        zen-bin
        .zen-wrapped
        .zen-bin-wrapped
      '';
      mode = "0755";
    };
  };
  environment.etc.seat = {
    target = "udev/rules.d/50-switch.rules";
    text = ''
      SUBSYSTEM=="usb", ATTR{idVendor}=="0955", MODE="0664", GROUP="plugdev"
    '';
  };

  programs.steam = {
    enable = true;
    remotePlay.openFirewall = true;
    dedicatedServer.openFirewall = true;
  };

  programs.wireshark = {
    enable = true;
    package = pkgs.wireshark-qt;
  };
  services.tailscale.enable = true;
  services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  networking.firewall.enable = false;

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;

  system.stateVersion = "24.11";
}