{
  config,
  lib,
  pkgs,
  ...
}:
let
  inherit (lib) mkForce mkIf;

  sessionVariables = {
    NIXOS_OZONE_WL = "1";
  };

  systemPackages = with pkgs; [
    ddcutil
    gsettings-desktop-schemas
    libva-utils
    sbctl
    vdpauinfo
  ];
in
{
  environment = {
    inherit sessionVariables systemPackages;
  };

  fonts.fontconfig = {
    enable = true;
    antialias = true;
    hinting = {
      enable = true;
      style = "slight";
    };
    subpixel = {
      rgba = "rgb";
      lcdfilter = "default";
    };
    defaultFonts = {
      serif = [
        "SF Pro"
        "DejaVu Serif"
      ];
      sansSerif = [
        "SF Pro"
        "DejaVu Sans"
      ];
      monospace = [
        "Iosevka Cavalier"
        "DejaVu Sans Mono"
      ];
      emoji = [ "Noto Color Emoji" ];
    };
  };

  hardware.bluetooth = mkIf config.hardware.bluetooth.enable {
    settings = {
      General.Experimental = true;
    };
  };

  programs.dconf.enable = config.programs.niri.enable;
  security.polkit.enable = config.programs.niri.enable;

  programs._1password-gui = mkIf config.programs._1password.enable {
    enable = true;
    polkitPolicyOwners = [ "pml" ];
  };

  environment.etc = mkIf config.programs._1password-gui.enable {
    "1password/custom_allowed_browsers" = {
      text = ''
        firefox
        brave
      '';
      mode = "0755";
    };
  };

  programs.niri.enable = true;

  programs.regreet = {
    enable = true;
    font.name = "SF Pro";
    font.size = 16;
    font.package = pkgs.apple-fonts.sf-pro;
    settings = {
      GTK = {
        font_name = mkForce "SF Pro 16";
      };
    };
  };

  programs.zsh.enable = true;

  security.rtkit.enable = config.services.pipewire.enable;

  services.pipewire = mkIf config.services.pipewire.enable {
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };
}