{
  config,
  lib,
  pkgs,
  ...
}: let
  cfg = config.rice;
in {
  options.rice = {
    desktop = {
      environment = lib.mkOption {
        type = lib.types.enum ["i3" "plasma" "none"];
        default = "i3";
        description = "Desktop environment to use";
      };

      wayland.enable = lib.mkOption {
        type = lib.types.bool;
        default = false;
        description = "Enable Wayland support";
      };

      compositor.enable = lib.mkOption {
        type = lib.types.bool;
        default = true;
        description = "Enable picom compositor (for X11 environments)";
      };
    };

    stylix = {
      overrideColors = lib.mkOption {
        type = lib.types.bool;
        default = false;
        description = "Override system stylix colors with rice-specific colors";
      };

      base16Scheme = lib.mkOption {
        type = lib.types.nullOr lib.types.attrs;
        default = null;
        description = "Custom Base16 color scheme";
      };

      wallpaper = lib.mkOption {
        type = lib.types.nullOr lib.types.path;
        default = null;
        description = "Custom wallpaper path or derivation";
      };

      fonts = lib.mkOption {
        type = lib.types.nullOr lib.types.attrs;
        default = null;
        description = "Custom font configuration";
      };
    };
  };

  config = lib.mkMerge [
    # Default stylix configuration (can be overridden by rices)
    {
      stylix = {
        enable = true;
        autoEnable = true;

        # Default Base16 scheme - Nord Blue inspired
        base16Scheme = lib.mkDefault {
          base00 = "2D333F"; # background
          base01 = "3B4252"; # lighter background
          base02 = "434C5E"; # selection background
          base03 = "4C566A"; # comments
          base04 = "D8DEE9"; # dark foreground
          base05 = "C6D0F5"; # foreground
          base06 = "E5E9F0"; # light foreground
          base07 = "ECEFF4"; # lightest foreground
          base08 = "BF616A"; # red
          base09 = "D5A18E"; # orange/tan
          base0A = "EBCB8B"; # yellow
          base0B = "A3BE8C"; # green
          base0C = "88C0D0"; # cyan
          base0D = "82A3C0"; # blue (accent)
          base0E = "B48EAD"; # purple
          base0F = "5E81AC"; # dark blue
        };

        # Default wallpaper
        image = lib.mkDefault (pkgs.fetchurl {
          url = "https://raw.githubusercontent.com/NixOS/nixos-artwork/master/wallpapers/nix-wallpaper-simple-blue.png";
          sha256 = "sha256-utrcjzfeJoFOpUbFY2eIUNCKy5rjLt57xIoUUssJmdI=";
        });

        # Default fonts
        fonts = lib.mkDefault {
          monospace = {
            package = pkgs.nerd-fonts.jetbrains-mono;
            name = "JetBrainsMono Nerd Font";
          };
          sansSerif = {
            package = pkgs.noto-fonts;
            name = "Noto Sans";
          };
          serif = {
            package = pkgs.noto-fonts;
            name = "Noto Serif";
          };
          emoji = {
            package = pkgs.noto-fonts-color-emoji;
            name = "Noto Color Emoji";
          };
          sizes = {
            terminal = 10;
            applications = 11;
            desktop = 11;
          };
        };

        # Default cursor
        cursor = lib.mkDefault {
          package = pkgs.bibata-cursors;
          name = "Bibata-Modern-Classic";
          size = 24;
        };

        # Default opacity
        opacity = lib.mkDefault {
          terminal = 0.95;
          applications = 1.0;
          desktop = 1.0;
          popups = 0.95;
        };

        # Default polarity
        polarity = lib.mkDefault "dark";

        # Disable nixos-icons to avoid conflict
        targets.nixos-icons.enable = false;
      };
    }

    # Rice-specific stylix overrides
    (lib.mkIf cfg.stylix.overrideColors {
      stylix = {
        base16Scheme = lib.mkIf (cfg.stylix.base16Scheme != null) (lib.mkForce cfg.stylix.base16Scheme);
        image = lib.mkIf (cfg.stylix.wallpaper != null) (lib.mkForce cfg.stylix.wallpaper);
        fonts = lib.mkIf (cfg.stylix.fonts != null) (lib.mkForce cfg.stylix.fonts);
      };
    })

    # i3 desktop environment
    (lib.mkIf (cfg.desktop.environment == "i3") {
      services.xserver = {
        enable = true;
        windowManager.i3.enable = true;

        # Czech QWERTZ layout
        xkb = {
          layout = "cz";
          options = "eurosign:e,caps:escape";
        };
      };

      # Compositor for X11
      services.picom.enable = cfg.desktop.compositor.enable;
    })

    # KDE Plasma desktop environment
    (lib.mkIf (cfg.desktop.environment == "plasma") {
      # Enable KDE Plasma 6
      services.displayManager.sddm = {
        enable = true;
        wayland.enable = cfg.desktop.wayland.enable;
      };

      services.desktopManager.plasma6.enable = true;

      # X11 configuration for Plasma (if not using Wayland)
      services.xserver = {
        enable = true;
        xkb = {
          layout = "cz";
          options = "eurosign:e,caps:escape";
        };
      };

      # KDE-specific packages
      environment.systemPackages = with pkgs; [
        kdePackages.kate
        kdePackages.konsole
        kdePackages.dolphin
        kdePackages.spectacle
        kdePackages.gwenview
      ];
    })
  ];
}