{
  description = "hypr-chrome dev shell and package";

  # A single nixpkgs input, deliberately not a separate `hyprland` flake
  # input — Hyprland plugins are ABI-locked to the exact Hyprland build
  # they're loaded into (hyprctl plugin load checks a build-hash), so both
  # the dev shell and the packaged plugin below build against `pkgs.hyprland`
  # from THIS SAME input, guaranteeing they match each other. Pinned to the
  # exact revision terra's homelab flake currently locks for nixos-26.05 for
  # this developer's own standalone `nix develop`/`nix build` — consumers
  # packaging this for their own system should instead set
  # `inputs.hypr-chrome.inputs.nixpkgs.follows = "nixpkgs"` (their own
  # system's nixpkgs input) so it builds against whatever Hyprland their
  # system actually runs, for the same ABI-hash reason.
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/241313f4e8e508cb9b13278c2b0fa25b9ca27163";

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

      # Read from .env (also read by CMakeLists.txt) rather than a separate
      # hardcoded string, so .gitea/workflows/version-bump.yml only ever has
      # to touch that one file for both build systems to stay in sync.
      pluginVersion =
        let
          envLines = pkgs.lib.splitString "\n" (builtins.readFile ./.env);
          versionLine = pkgs.lib.findFirst (pkgs.lib.hasPrefix "PLUGIN_VERSION=") null envLines;
        in
        pkgs.lib.removePrefix "PLUGIN_VERSION=" versionLine;
    in
    {
      # Build with Hyprland's own stdenv (not nixpkgs' default one) so the
      # compiler/libstdc++ ABI matches what Hyprland itself was built with.
      packages.${system}.default = pkgs.hyprland.stdenv.mkDerivation {
        pname = "hypr-chrome";
        version = pluginVersion;
        src = self;

        nativeBuildInputs = [ pkgs.cmake pkgs.pkg-config ];
        # Mirrors nixpkgs' own hyprlandPlugins.mkHyprlandPlugin: relying on
        # pkgs.hyprland alone isn't enough for pkg-config to resolve its
        # transitive Requires (aquamarine, hyprutils, cairo, etc.) - its own
        # buildInputs have to be pulled in explicitly too.
        buildInputs = [ pkgs.hyprland ] ++ pkgs.hyprland.buildInputs;

        # CMakeLists.txt installs the plain "hypr-chrome.so" name that
        # hyprctl/hyprpm/buildAndLoad.sh all expect outside of Nix - rename
        # to the lib<pname>.so convention here, Nix-packaging-only, so
        # home-manager's `wayland.windowManager.hyprland.plugins` can derive
        # the plugin path from this package directly instead of a consumer
        # having to hardcode `${package}/lib/hypr-chrome.so` themselves.
        postInstall = ''
          mv "$out/lib/hypr-chrome.so" "$out/lib/libhypr-chrome.so"
        '';

        meta = {
          description = "Draws a chamfered HUD-style border frame with a title bar around each window.";
          homepage = "https://git.mgaction.town/darman/hypr-chrome";
          platforms = pkgs.lib.platforms.linux;
        };
      };

      devShells.${system}.default = pkgs.mkShell {
        # hyprland.pc pulls in aquamarine/hyprcursor/hyprlang/hyprutils/
        # hyprgraphics/hyprland-protocols/libdrm/libinput/systemd(libudev)/
        # wayland/libxkbcommon/libglvnd(egl)/cairo/libxcb-wm(xcb-icccm)/
        # xcbutilerrors transitively; none of those default to their `dev`
        # output, so they're listed explicitly. glslang isn't in hyprland.pc's
        # Requires at all (ShaderLoader.hpp just expects it on the include
        # path) — Nix's cc-wrapper picks it up automatically from being in
        # this list, no pkg-config entry needed. All of this was verified by
        # actually building hypr-chrome.so and `hyprctl plugin load`-ing
        # it into a live Hyprland session.
        packages = with pkgs; [
          cmake
          gnumake
          pkg-config

          hyprland.dev
          aquamarine.dev
          hyprcursor.dev
          hyprlang.dev
          hyprutils.dev
          hyprgraphics.dev
          hyprland-protocols
          glslang.dev

          libdrm.dev
          libinput.dev
          systemd.dev
          pixman
          wayland.dev
          libxkbcommon.dev
          libglvnd.dev
          cairo.dev
          libxcb-wm.dev
          xcbutilerrors.dev
        ];
      };
    };
}