{
  description = "NixOS adaptation of end-4's dots-hyprland - self-contained installer replication";

  inputs = {
    nixpkgs.url = "github:nvmd/nixpkgs";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, home-manager, ... }:
    let
      systems = [ "x86_64-linux" "aarch64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs systems;
      
      pkgsFor = system: import nixpkgs {
        inherit system;
        overlays = [ self.overlays.default ];
      };
    in
    {
      overlays.default = final: prev: {
        quickshell = prev.quickshell.overrideAttrs (old: {
          buildInputs = (old.buildInputs or []) ++ [ final.qt6.qt5compat final.qt6.qtpositioning ];
          qtWrapperArgs = (old.qtWrapperArgs or []) ++ [
            "--prefix" "NIXPKGS_QT6_QML_IMPORT_PATH" ":" "${final.qt6.qt5compat}/lib/qt-6/qml"
            "--prefix" "NIXPKGS_QT6_QML_IMPORT_PATH" ":" "${final.qt6.qtpositioning}/lib/qt-6/qml"
          ];
        });
        
        # Patch kde-material-you-colors for non-Plasma systems
        kde-material-you-colors = (prev.python312Packages.kde-material-you-colors.overrideAttrs (old: {
          pname = "kde-material-you-colors-patched";
          nativeBuildInputs = (old.nativeBuildInputs or []) ++ [ prev.makeWrapper ];
          
          postInstall = (old.postInstall or "") + ''
            # Patch konsole_utils.py to use exist_ok=True
            substituteInPlace $out/lib/python*/site-packages/kde_material_you_colors/utils/konsole_utils.py \
              --replace-fail 'os.makedirs(settings.KONSOLE_DIR)' 'os.makedirs(settings.KONSOLE_DIR, exist_ok=True)'
            
            # Patch kwin_utils.py to skip KWin reload (crashes on non-KDE systems)
            substituteInPlace $out/lib/python*/site-packages/kde_material_you_colors/utils/kwin_utils.py \
              --replace-fail 'def reload():' $'def reload():\n    return  # Skip on non-KDE'
            
            # Create stub plasma-apply-colorscheme
            cat > $out/bin/plasma-apply-colorscheme << 'EOF'
#!/bin/sh
exit 0
EOF
            chmod +x $out/bin/plasma-apply-colorscheme
            
            # Wrap to use our stub
            wrapProgram $out/bin/kde-material-you-colors \
              --prefix PATH : $out/bin
          '';
        }));
      };

      packages = forAllSystems (system: 
        let 
          pkgs = pkgsFor system;
          utilityPackages = import ./packages { inherit pkgs; };
        in utilityPackages // {
          default = utilityPackages.update-flake;
        }
      );

      devShells = forAllSystems (system:
        let 
          pkgs = pkgsFor system;
          utilityPackages = import ./packages { inherit pkgs; };
        in {
          default = pkgs.mkShell {
            buildInputs = with pkgs; [
              nixpkgs-fmt
              nil
              git
              jq
            ] ++ (with utilityPackages; [
              update-flake
              test-python-env
              test-quickshell
              compare-modes
            ]);
            
            shellHook = builtins.readFile ./packages/scripts/dev-shell-hook.sh;
          };
        }
      );

      homeManagerModules.default = import ./modules/home-manager.nix;
      homeManagerModules.dots-hyprland = self.homeManagerModules.default;

      nixosModules.default = import ./modules/components/system-services.nix;
      nixosModules.dots-hyprland = self.nixosModules.default;

      homeConfigurations = {
        declarative = home-manager.lib.homeManagerConfiguration {
          pkgs = pkgsFor "x86_64-linux";
          modules = [
            self.homeManagerModules.default
            {
              home.username = "celes";
              home.homeDirectory = "/home/celes";
              home.stateVersion = "24.05";
              
              programs.dots-hyprland = {
                enable = true;
                source = ./configs;  # Use local configs
                packageSet = "essential";
                mode = "hybrid";
                
                # 🎨 Quickshell Configuration
                quickshell = {
                  appearance = {
                    extraBackgroundTint = true;
                    fakeScreenRounding = 2;  # When not fullscreen
                    transparency = false;
                  };
                  
                  bar = {
                    bottom = false;  # Top bar
                    cornerStyle = 0;  # Hug style
                    topLeftIcon = "spark";
                    showBackground = true;
                    verbose = true;
                    
                    utilButtons = {
                      showScreenSnip = true;
                      showColorPicker = true;   # 🎯 Enable color picker!
                      showMicToggle = false;
                      showKeyboardToggle = true;
                      showDarkModeToggle = true;
                      showPerformanceProfileToggle = false;
                    };
                    
                    workspaces = {
                      monochromeIcons = true;
                      shown = 10;
                      showAppIcons = true;
                      alwaysShowNumbers = false;
                      showNumberDelay = 300;
                    };
                  };
                  
                  battery = {
                    low = 20;
                    critical = 5;
                    automaticSuspend = true;
                    suspend = 3;
                  };
                  
                  apps = {
                    terminal = "foot";
                    bluetooth = "kcmshell6 kcm_bluetooth";
                    network = "plasmawindowed org.kde.plasma.networkmanagement";
                    taskManager = "plasma-systemmonitor --page-name Processes";
                  };
                  
                  time = {
                    format = "hh:mm";
                    dateFormat = "ddd, dd/MM";
                  };
                };
                
                # 🖥️ Hyprland Configuration
                hyprland = {
                  general = {
                    gapsIn = 4;
                    gapsOut = 7;
                    borderSize = 2;
                    allowTearing = false;
                  };
                  
                  decoration = {
                    rounding = 16;
                    blurEnabled = true;
                  };
                  
                  gestures = {
                    workspaceSwipe = true;
                  };
                  
                  monitors = [
                    # Add your monitor config here, e.g.:
                    # "eDP-1,1920x1080@60,0x0,1"
                  ];
                };
                
                # 🖥️ Terminal Configuration
                terminal = {
                  scrollback = {
                    lines = 1000;
                    multiplier = 3.0;
                  };
                  
                  cursor = {
                    style = "beam";
                    blink = false;
                    beamThickness = 1.5;
                  };
                  
                  colors = {
                    alpha = 0.95;
                  };
                  
                  mouse = {
                    hideWhenTyping = false;
                    alternateScrollMode = true;
                  };
                };
              };
            }
          ];
        };
        
        writable = home-manager.lib.homeManagerConfiguration {
          pkgs = pkgsFor "x86_64-linux";
          modules = [
            self.homeManagerModules.default
            {
              home.username = "celes";
              home.homeDirectory = "/home/celes";
              home.stateVersion = "24.05";
              
              programs.dots-hyprland = {
                enable = true;
                source = ./configs;  # Use local configs
                packageSet = "essential";
                mode = "writable";
                writable = {
                  stagingDir = ".configstaging";
                  setupScript = "initialSetup.sh";
                  backupExisting = true;
                };
              };
            }
          ];
        };
        
        example = self.homeConfigurations.declarative;
      };
    };
}