{
  description = "org-to-quartz: Convert org notes to Quartz-compatible markdown";

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

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = nixpkgs.legacyPackages.${system};

        python = pkgs.python311;
        pythonPackages = python.pkgs;

        org-to-quartz = pythonPackages.buildPythonApplication {
          pname = "org-to-quartz";
          version = "0.1.0";
          format = "pyproject";

          src = ./.;

          nativeBuildInputs = [
            pythonPackages.setuptools
            pythonPackages.wheel
          ];

          propagatedBuildInputs = [
            pythonPackages.pybtex
            pythonPackages.requests
            pythonPackages.pyyaml
            pkgs.pandoc
          ];

          # Make pandoc available at runtime
          makeWrapperArgs = [
            "--prefix" "PATH" ":" "${pkgs.pandoc}/bin"
          ];

          meta = {
            description = "Convert org notes to Quartz-compatible markdown";
            mainProgram = "org-to-quartz";
          };
        };

        # Script to serve quartz with converted notes
        quartz-serve = pkgs.writeShellScriptBin "quartz-serve" ''
          set -e
          NOTES_DIR="''${1:-.}"
          PORT="''${2:-8080}"
          WORK_DIR=$(mktemp -d)
          
          echo "Cloning Quartz..."
          ${pkgs.git}/bin/git clone --depth 1 https://github.com/jackyzha0/quartz.git "$WORK_DIR/quartz" 2>/dev/null
          
          echo "Installing dependencies..."
          cd "$WORK_DIR/quartz"
          ${pkgs.nodejs}/bin/npm install --silent
          
          echo "Converting org notes from $NOTES_DIR..."
          ${org-to-quartz}/bin/org-to-quartz "$NOTES_DIR" "$WORK_DIR/quartz/content" -v
          
          # Enable OxHugo plugin
          ${pkgs.gnused}/bin/sed -i 's/Plugin.GitHubFlavoredMarkdown()/Plugin.OxHugoFlavouredMarkdown(),\n      Plugin.GitHubFlavoredMarkdown()/' quartz.config.ts
          
          echo ""
          echo "Starting Quartz on http://localhost:$PORT"
          ${pkgs.nodejs}/bin/npx quartz build --serve --port "$PORT"
        '';

      in {
        packages = {
          default = org-to-quartz;
          org-to-quartz = org-to-quartz;
        };

        devShells.default = pkgs.mkShell {
          buildInputs = [
            python
            pythonPackages.pybtex
            pythonPackages.requests
            pythonPackages.pyyaml
            pythonPackages.pytest
            pkgs.pandoc
            pkgs.nodejs
          ];
        };

        apps = {
          default = {
            type = "app";
            program = "${org-to-quartz}/bin/org-to-quartz";
          };
          serve = {
            type = "app";
            program = "${quartz-serve}/bin/quartz-serve";
          };
        };
      }
    );
}