{
  config,
  pkgs,
  ...
}:

{
  imports = [
    # Include the results of the hardware scan.
    ./stylix.nix
  ];
  fonts = {
    packages = with pkgs; [
      noto-fonts-cjk-sans
      noto-fonts
      nerd-fonts._0xproto
      material-symbols
    ];
  };
  services.displayManager.gdm.enable = true;
  programs.hyprland.enable = true;
  nixpkgs.config.permittedInsecurePackages = [
    "ventoy-1.1.10"
  ];

  boot = {

    plymouth = {
      enable = true;
    };

    # Enable "Silent boot"
    consoleLogLevel = 3;
    initrd.verbose = false;
    kernelParams = [
      "quiet"
      "splash"
      "boot.shell_on_fail"
      "udev.log_priority=3"
      "rd.systemd.show_status=auto"
    ];
    loader.timeout = 0;

  };
  hardware.graphics.enable = true;
  nix = {
    extraOptions = "experimental-features = nix-command flakes";
    optimise.automatic = true;
    optimise.dates = [ "12:00" ];
    gc = {
      automatic = true;
    };
  };
  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  security.doas.enable = true;
  security.sudo.enable = false;
  security.doas.extraRules = [
    {
      keepEnv = true;
      persist = true; # Optional, only require password verification a single time
    }
  ];

  # Use latest kernel.
  boot.kernelPackages = pkgs.linuxPackages_latest;
  services.power-profiles-daemon.enable = false;
  services.upower.enable = true;
  services.tlp = {
    enable = true;
    settings = {
      CPU_SCALING_GOVERNOR_ON_AC = "balanced";
      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
      CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
      CPU_ENERGY_PERF_POLICY_ON_AC = "balanced";
      CPU_MIN_PERF_ON_AC = 0;
      CPU_MAX_PERF_ON_AC = 100;
      CPU_MIN_PERF_ON_BAT = 0;
      CPU_MAX_PERF_ON_BAT = 20;
      START_CHARGE_THRESH_BAT0 = 40; # 40 and below it starts to charge
      STOP_CHARGE_THRESH_BAT0 = 80; # 80 and above it stops charging
      PCIE_ASPM_ON_BAT = "powersupersave";
      PCIE_ASPM_ON_AC = "default";
    };
  };
  services.auto-cpufreq.enable = true;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    pulse.enable = true;
  };

  # Enable networking
  networking.networkmanager = {
    enable = true;
  };

  time.timeZone = "Europe/Berlin";
  i18n.defaultLocale = "en_US.UTF-8";
  services.xserver.xkb = {
    layout = "us";
  };
  console.keyMap = "us";
  programs.zsh.enable = true;
  users.users.lucy = {
    isNormalUser = true;
    description = "lucy";
    shell = pkgs.zsh;
    extraGroups = [
      "networkmanager"
      "wheel"
    ];
  };

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.pathsToLink = [
    "/share/applications"
    "/share/xdg-desktop-portal"
  ];
  environment.systemPackages = with pkgs; [
    openssl
    fastfetch
    quickshell
    flashrom
    usbutils
    clang-tools
    clang
    iw
  ];

  programs.steam = {
    enable = true;
    extraCompatPackages = with pkgs; [ proton-ge-bin ];

  };
  programs.git.enable = true;
  systemd.user.services.polkit-gnome-authentication-agent-1 = {
    description = "polkit-gnome-authentication-agent-1";
    wantedBy = [ "graphical-session.target" ];
    serviceConfig = {
      Type = "simple";
      ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
      Restart = "on-failure";
    };
  };
  system.stateVersion = "25.05"; # Did you read the comment?

}