{
  lib,
  config,
  pkgs,
  ...
}:
{

  config = lib.mkIf config.zpha.programs.niri.enable {
    zpha.programs.niri.settings = {
      environment = {
        QT_QPA_PLATFORM = "wayland";
        QT_WAYLAND_FORCE_DPI = "physical";
        QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
      };

      workspace = [
        { _args = [ "browser" ]; }
        { _args = [ "mail" ]; }
        { _args = [ "terminal" ]; }
        { _args = [ "chat" ]; }
      ];

      prefer-no-csd = [ ];

      gestures.hot-corners = [ ];

      layout = {
        always-center-single-column = true;
        gaps = 15;
        background-color = "transparent";
        focus-ring = {
          width = 2;
          inactive-color = "rgba(59, 135, 86, .9)";
          active-color = "rgba(74, 169, 108, .9)";
        };

        tab-indicator = {
          gaps-between-tabs = 10;
          position = "top";
        };
      };

      input = {
        workspace-auto-back-and-forth = [ ];

        focus-follows-mouse._props = {
          max-scroll-amount = "0%";
        };

        touchpad = {
          natural-scroll = [ ];
          click-method = "clickfinger";
        };

        keyboard.xkb = {
          layout = "us,de,ru";
          variant = "mac,qwerty,mac";
          options = "grp:alt_shift_toggle";
        };
      };

      binds =
        (lib.mergeAttrsList (
          lib.map
            (num: {
              "Mod+${toString num}" = lib.mkDefault { focus-workspace = num; };
              "Mod+Shift+${toString num}" = lib.mkDefault {
                move-column-to-workspace = num;
              };
            })
            [
              1
              2
              3
              4
              5
              6
              7
              8
              9
            ]
        ))
        // {
          "Mod+1".focus-workspace = "browser";
          "Mod+Shift+1".move-column-to-workspace = "browser";
          "Mod+2".focus-workspace = "mail";
          "Mod+Shift+2".move-column-to-workspace = "mail";
          "Mod+3".focus-workspace = "terminal";
          "Mod+Shift+3".move-column-to-workspace = "terminal";
          "Mod+4".focus-workspace = "chat";
          "Mod+Shift+4".move-column-to-workspace = "chat";

          "Mod+Shift+E".quit = [ ];
          "Mod+Z".power-off-monitors = [ ];

          "Mod+Space".spawn = lib.mkDefault [ (lib.getExe pkgs.fuzzel) ];
          "Mod+Return".spawn = [
            (lib.getExe pkgs.unstable.app2unit)
            "-T"
          ];
          "Mod+L".spawn = [
            (lib.getExe' pkgs.systemd "loginctl")
            "lock-session"
          ];

          "Mod+W" = {
            _props.repeat = false;
            close-window = [ ];
          };

          "XF86AudioMute" = {
            _props.allow-when-locked = true;
            spawn = lib.mkDefault [
              "wpctl"
              "set-mute"
              "@DEFAULT_AUDIO_SINK@"
              "toggle"
            ];
          };
          "XF86AudioRaiseVolume" = {
            _props.allow-when-locked = true;
            spawn = lib.mkDefault [
              "wpctl"
              "set-volume"
              "@DEFAULT_AUDIO_SINK@"
              ".5%+"
            ];
          };
          "XF86AudioLowerVolume" = {
            _props.allow-when-locked = true;
            spawn = lib.mkDefault [
              "wpctl"
              "set-volume"
              "@DEFAULT_AUDIO_SINK@"
              ".5%-"
            ];
          };

          "XF86MonBrightnessUp" = {
            _props.allow-when-locked = true;
            spawn = lib.mkDefault [
              (lib.getExe pkgs.brightnessctl)
              "s"
              "+2%"
            ];
          };
          "XF86MonBrightnessDown" = {
            _props.allow-when-locked = true;
            spawn = lib.mkDefault [
              (lib.getExe pkgs.brightnessctl)
              "s"
              "2%-"
            ];
          };

          "Mod+Tab".toggle-overview = [ ];

          "Mod+Prior".focus-workspace-up = [ ];
          "Mod+Next".focus-workspace-down = [ ];
          "Mod+WheelScrollDown" = {
            _props.cooldown-ms = 150;
            focus-workspace-down = [ ];
          };
          "Mod+WheelScrollUp" = {
            _props.cooldown-ms = 150;
            focus-workspace-up = [ ];
          };
          "Mod+WheelScrollRight".focus-column-right = [ ];
          "Mod+WheelScrollLeft".focus-column-left = [ ];

          "Mod+Shift+Prior".move-window-up-or-to-workspace-up = [ ];
          "Mod+Shift+Next".move-window-down-or-to-workspace-down = [ ];

          "Mod+Ctrl+Left".focus-monitor-left = [ ];
          "Mod+Ctrl+Right".focus-monitor-right = [ ];

          "Mod+Left".focus-column-left = [ ];
          "Mod+Right".focus-column-right = [ ];
          "Mod+Up".focus-window-or-workspace-up = [ ];
          "Mod+Down".focus-window-or-workspace-down = [ ];

          "Mod+Shift+Left".move-column-left = [ ];
          "Mod+Shift+Right".move-column-right = [ ];
          "Mod+Shift+Up".move-window-up = [ ];
          "Mod+Shift+Down".move-window-down = [ ];

          "Mod+R".switch-preset-column-width = [ ];
          "Mod+Shift+R".switch-preset-window-height = [ ];
          "Mod+Ctrl+R".reset-window-height = [ ];

          "Mod+C".center-window = [ ];

          "Mod+F".maximize-column = [ ];
          "Mod+Ctrl+F".expand-column-to-available-width = [ ];
          "Mod+Shift+F".fullscreen-window = [ ];
          "Mod+Alt+F".set-column-width = "50%";

          "Mod+Minus".set-column-width = "-10%";
          "Mod+Equal".set-column-width = "+10%";
          "Mod+Shift+Minus".set-window-height = "-10%";
          "Mod+Shift+Equal".set-window-height = "+10%";

          "Mod+Shift+Space".toggle-window-floating = [ ];

          "Mod+T".toggle-column-tabbed-display = [ ];

          "Mod+Print".spawn = [
            (lib.getExe pkgs.hyprpicker)
            "--lowercase-hex"
            "--autocopy"
          ];

          "Print".screenshot = [ ];
          "Shift+Print".screenshot-window = [ ];
        };
    };
  };

}