{
  description = "svitak dev shell (GHC 9.12, GTK4, WebKit 6.0)";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs }: let
    system = "x86_64-linux";
    pkgs = import nixpkgs { inherit system; };

    cLibs = with pkgs; [
      gtk4 webkitgtk_6_0 libsoup_3 glib
      atk pango cairo harfbuzz graphene gdk-pixbuf
      sysprof libsysprof-capture libadwaita

      libpng freetype fontconfig pixman expat librsvg
      libjpeg libtiff libwebp libdeflate lcms2 woff2 jbigkit graphite2
      lerc libavif libheif openjpeg

      bzip2 brotli zlib xz zstd lz4

      wayland wayland-protocols libepoxy libGL libglvnd
      vulkan-headers vulkan-loader
      libx11 libxext libxrender libxi libxcursor
      libxfixes libxdamage libxcomposite libxrandr
      xorgproto libxcb libxkbcommon libdrm mesa
      libxau libxdmcp libxft libxinerama libxtst

      gst_all_1.gstreamer gst_all_1.gst-plugins-base

      libinput libevdev xkeyboard_config

      fribidi libthai libdatrie icu pcre2 enchant shared-mime-info libxml2
      glibcLocales

      libpsl nghttp2 gnutls libsecret libgcrypt libgpg-error libtasn1 p11-kit dbus

      util-linux libselinux libsepol libffi sqlite
    ];

    allDeps = cLibs ++ [ pkgs.gobject-introspection ];

  in {
    devShells.${system}.default = pkgs.mkShell {
      nativeBuildInputs = [
	pkgs.pkg-config
	pkgs.haskell.compiler.ghc912
	pkgs.cabal-install
	pkgs.gobject-introspection
      ];

      buildInputs = cLibs;

      shellHook = ''
	unset GHC_PACKAGE_PATH

	export PKG_CONFIG_PATH="${pkgs.lib.makeSearchPathOutput "dev" "lib/pkgconfig" allDeps}:${pkgs.lib.makeSearchPath "lib/pkgconfig" allDeps}:${pkgs.lib.makeSearchPath "share/pkgconfig" allDeps}"

	export GI_TYPELIB_PATH="${pkgs.lib.makeSearchPathOutput "out" "lib/girepository-1.0" allDeps}:${pkgs.lib.makeSearchPath "lib/girepository-1.0" allDeps}"
	# play around with these if having trouble with the display:

	# Fontconfig
	export FONTCONFIG_FILE="${pkgs.fontconfig.out}/etc/fonts/fonts.conf"

	# # Force software rendering
	# export WEBKIT_DISABLE_DMABUF_RENDERER=1
	# export WEBKIT_DISABLE_COMPOSITING_MODE=1
	# export GSK_RENDERER=cairo

	# export LOCALE_ARCHIVE="${pkgs.glibcLocales}/lib/locale/locale-archive"
	# export LC_ALL="en_US.UTF-8"

	# Display fallback (Try Wayland first, then X11/Xwayland)
	# export XDG_RUNTIME_DIR="''${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"
	# export WAYLAND_DISPLAY="''${WAYLAND_DISPLAY:-wayland-0}"
	export GDK_BACKEND="wayland"
      '';
    };
  };
}