{ pkgs, ... }: {

  # Enable the X11 windowing system.
  # You can disable this if you're only using the Wayland session.
  services.xserver.enable = true;

  # Enable the KDE Plasma Desktop Environment.
  services.displayManager.sddm {
    enable = true;
    autoLogin = {
      enable = true;
      user = "sasza";  # ← Twój username
      session = "plasma";  # "plasma" (X11) lub "plasmawayland" (Wayland)
    };
  }
  services.desktopManager.plasma6.enable = true;

  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "pl";
    variant = "";
  };

  # Enable sound with pipewire.
  services.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    # If you want to use JACK applications, uncomment this
    #jack.enable = true;

    # use the example session manager (no others are packaged yet so this is enabled by default,
    # no need to redefine it in your config for now)
    #media-session.enable = true;
  };

  # paczki graficzne
  environment.systemPackages = with pkgs; [
    brave
  ];

  # Enable touchpad support (enabled default in most desktopManager).
  # services.xserver.libinput.enable = true;

  # Install firefox.
  # programs.firefox.enable = true;

}