{
  inputs,
  config,
  pkgs,
  lib,
  ...
}: let
  home = config.home.homeDirectory;
  cfg = config.dms;
  gpuTempEnabled = cfg.enableGpuTemp;
  obsidianSnippetsDir = cfg.obsidianSnippetsDir; # legacy single path
  obsidianSnippetDirs =
    let
      snippetsFromConfigDirs = map (d: "${d}/snippets") cfg.obsidianConfigDirs;
      explicitSnippetsDirs =
        cfg.obsidianSnippetsDirs
        ++ lib.optionals (obsidianSnippetsDir != null) [obsidianSnippetsDir];
    in
      lib.unique (snippetsFromConfigDirs ++ explicitSnippetsDirs);

  # Clears Quickshell QML bytecode cache so bar plugins reload (stale *.qmlc keeps old UI).
  dmsRestartOnceScript = pkgs.writeShellScript "dms-rbw-plugin-restart-once" ''
    set -euo pipefail
    rt="''${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"
    exec 9>"$rt/dms-rbw-plugin-restart.lock"
    ${pkgs.util-linux}/bin/flock -n 9 || exit 0
    cache="''${XDG_CACHE_HOME:-''$HOME/.cache}/quickshell/qmlcache"
    rm -rf "$cache"
    ${pkgs.systemd}/bin/systemctl --user try-restart dms.service 2>/dev/null || true
  '';

in {
  options = {
    dms.enable = lib.mkOption {
      type = lib.types.bool;
      default = false;
      description = "DMS Home Manager config from this flake.";
    };

    dms.enableGpuTemp = lib.mkOption {
      type = lib.types.bool;
      default = true;
      description = "GPU temp widget in the bar.";
    };

    # <vault>/.obsidian/snippets — unset skips Obsidian matugen output
    dms.obsidianSnippetsDir = lib.mkOption {
      type = lib.types.nullOr lib.types.str;
      default = null;
      example = "/home/olivier/Documents/Notes/.obsidian/snippets";
      description = "Snippet dir for `matugen.css` (legacy; prefer `obsidianConfigDirs`).";
    };

    # Each path is a vault’s `.obsidian/` — we write `<path>/snippets/matugen.css`.
    dms.obsidianConfigDirs = lib.mkOption {
      type = lib.types.listOf lib.types.str;
      default = [];
      example = [
        "/mnt/zimaos/Obsidian/Home/.obsidian"
      ];
      description = "Vault `.obsidian` dirs for matugen CSS.";
    };

    # Or pass `.obsidian/snippets` paths yourself.
    dms.obsidianSnippetsDirs = lib.mkOption {
      type = lib.types.listOf lib.types.str;
      default = [];
      example = [
        "/mnt/zimaos/Obsidian/Home/.obsidian/snippets"
      ];
      description = "Explicit snippet directories for matugen CSS.";
    };

    # Prepended to the bar’s rightWidgets (shows first).
    dms.extraRightBarWidgets = lib.mkOption {
      type = lib.types.listOf lib.types.attrs;
      default = [];
      example = [
        { id = "wvkbdToggle"; enabled = true; }
        { id = "rbwLockToggle"; enabled = true; }
      ];
      description = "Extra `{ id, enabled, … }` widgets, merged before defaults.";
    };

    dms.enableWvkbdToggle = lib.mkEnableOption ''
      Ship wvkbd-toggle plugin into `~/.config/DankMaterialShell/plugins/` (toggle from NixOS `desktop.shells.dms`).
    '';

    dms.enableRbwLockToggle = lib.mkEnableOption ''
      Ship rbw-lock-toggle into `~/.config/DankMaterialShell/plugins/rbwLockToggle/` (directory name matches plugin id; Bitwarden vault lock/unlock in the bar).
    '';
  };

  imports = [
    inputs.dms.homeModules.dank-material-shell
    inputs.nix-monitor.homeManagerModules.default
  ];

  config = lib.mkIf cfg.enable (lib.mkMerge [
    (lib.mkIf cfg.enableWvkbdToggle {
      xdg.configFile."DankMaterialShell/plugins/wvkbd-toggle/plugin.json".source =
        ../plugins/wvkbd-toggle/plugin.json;
      xdg.configFile."DankMaterialShell/plugins/wvkbd-toggle/WvkbdToggle.qml".source =
        ../plugins/wvkbd-toggle/WvkbdToggle.qml;
      xdg.configFile."DankMaterialShell/plugins/wvkbd-toggle/WvkbdToggleSettings.qml".source =
        ../plugins/wvkbd-toggle/WvkbdToggleSettings.qml;
    })
    (lib.mkIf cfg.enableRbwLockToggle {
      # Directory name matches plugin id (same idea as NixMonitor / ideapad wvkbdToggle).
      xdg.configFile."DankMaterialShell/plugins/rbwLockToggle/plugin.json" = {
        source = ../plugins/rbw-lock-toggle/plugin.json;
        onChange = "${dmsRestartOnceScript}";
      };
      xdg.configFile."DankMaterialShell/plugins/rbwLockToggle/RbwLockToggleSettings.qml" = {
        source = ../plugins/rbw-lock-toggle/RbwLockToggleSettings.qml;
        onChange = "${dmsRestartOnceScript}";
      };
      xdg.configFile."DankMaterialShell/plugins/rbwLockToggle/RbwLockToggle.qml" = {
        source = ../plugins/rbw-lock-toggle/RbwLockToggle.qml;
        onChange = "${dmsRestartOnceScript}";
      };
    })
    {

  # Nix rebuild widget used by DankMaterialShell (via nix-monitor).
  # Per-host `rebuildCommand` is set in `hosts/clients/<host>/home.nix`.
  programs.nix-monitor = {
    enable = true;
    generationsCommand = [
      "bash"
      "-c"
      "readlink /nix/var/nix/profiles/system | cut -d- -f2"
    ];
  };

  home.packages = with pkgs; [
    kdePackages.qtdeclarative
    kdePackages.kirigami.unwrapped
    kdePackages.qtmultimedia
    kdePackages.sonnet
  ];
  programs.dank-material-shell = {
    enable = true;

    systemd = {
      enable = true; # Systemd service for auto-start
      restartIfChanged = true; # Auto-restart dms.service when dankMaterialShell changes
    };

    # Core features
    enableSystemMonitoring = true; # System monitoring widgets (dgop)
    dgop.package = inputs.dgop.packages.${pkgs.system}.default;
    enableVPN = true; # VPN management widget
    enableDynamicTheming = true; # Wallpaper-based theming (matugen)
    enableAudioWavelength = true; # Audio visualizer (cava)
    enableCalendarEvents = false; # Disable calendar integration (khal/ikhal)

    # Leave `session` at {} — non-empty makes HM rewrite session.json every switch and nukes wallpaper/session state.
    settings = {
      theme = "dark";
      dynamicTheming = true;

      currentThemeName = "dynamic";
      customThemeFile = "";
      matugenScheme = "scheme-tonal-spot";
      runUserMatugenTemplates = true;
      # Stock DMS vesktop matugen output conflicts with our `templates/dank-discord.css` + config.toml entry.
      matugenTemplateVesktop = false;
      matugenTargetMonitor = "";
      popupTransparency = 1;
      dockTransparency = 0.85;
      widgetBackgroundColor = "sch";
      widgetColorMode = "default";
      cornerRadius = 10;
      use24HourClock = false;
      showSeconds = true;
      useFahrenheit = false;
      nightModeEnabled = false;
      animationSpeed = 1;
      customAnimationDuration = 500;
      wallpaperFillMode = "Fill";
      blurredWallpaperLayer = false;
      blurWallpaperOnOverview = false;

      showLauncherButton = true;
      showWorkspaceSwitcher = true;
      showFocusedWindow = true;
      showWeather = true;
      showMusic = true;
      showClipboard = true;
      showCpuUsage = true;
      showMemUsage = true;
      showCpuTemp = true;
      showGpuTemp = gpuTempEnabled;
      showSystemTray = true;
    }
    // lib.optionalAttrs gpuTempEnabled {
      selectedGpuIndex = 0;
      enabledGpuPciIds = [];
    }
    // {
      showClock = true;
      showNotificationButton = true;
      showBattery = true;
      showControlCenterButton = true;
      showCapsLockIndicator = true;

      controlCenterShowNetworkIcon = true;
      controlCenterShowBluetoothIcon = true;
      controlCenterShowAudioIcon = true;
      controlCenterShowVpnIcon = true;
      controlCenterShowBrightnessIcon = false;
      controlCenterShowMicIcon = false;
      controlCenterShowBatteryIcon = false;
      controlCenterShowPrinterIcon = false;

      showPrivacyButton = true;
      privacyShowMicIcon = false;
      privacyShowCameraIcon = false;
      privacyShowScreenShareIcon = false;

      controlCenterWidgets = [
        {
          id = "volumeSlider";
          enabled = true;
          width = 50;
        }
        {
          id = "brightnessSlider";
          enabled = true;
          width = 50;
        }
        {
          id = "wifi";
          enabled = true;
          width = 50;
        }
        {
          id = "bluetooth";
          enabled = true;
          width = 50;
        }
        {
          id = "audioOutput";
          enabled = true;
          width = 50;
        }
        {
          id = "audioInput";
          enabled = true;
          width = 50;
        }
        {
          id = "nightMode";
          enabled = true;
          width = 50;
        }
        {
          id = "darkMode";
          enabled = true;
          width = 50;
        }
      ];

      showWorkspaceIndex = true;
      showWorkspacePadding = false;
      workspaceScrolling = false;
      showWorkspaceApps = true;
      maxWorkspaceIcons = 10;
      workspaceAppIconSizeOffset = 1;
      workspacesPerMonitor = true;
      showOccupiedWorkspacesOnly = false;
      dwlShowAllTags = false;
      workspaceNameIcons = {};

      waveProgressEnabled = true;
      scrollTitleEnabled = true;
      clockCompactMode = false;
      focusedWindowCompactMode = false;
      runningAppsCompactMode = true;
      keyboardLayoutNameCompactMode = false;
      runningAppsCurrentWorkspace = false;
      runningAppsGroupByApp = true;
      centeringMode = "geometric";

      clockDateFormat = "yyyy-MM-dd";
      lockDateFormat = "";
      mediaSize = 1;

      appLauncherViewMode = "list";
      spotlightModalViewMode = "list";
      sortAppsAlphabetically = false;
      appLauncherGridColumns = 4;
      spotlightCloseNiriOverview = true;
      niriOverviewOverlayEnabled = true;
      useAutoLocation = true;
      weatherEnabled = true;

      networkPreference = "auto";
      vpnLastConnected = "";
      iconTheme = "System Default";

      launcherLogoMode = "os";
      launcherLogoCustomPath = "";
      launcherLogoColorOverride = "";
      launcherLogoColorInvertOnMode = false;
      launcherLogoBrightness = 0.5;
      launcherLogoContrast = 1;
      launcherLogoSizeOffset = 0;

      fontFamily = "Inter Variable";
      monoFontFamily = "Fira Code";
      fontWeight = 400;
      fontScale = 1;

      notepadUseMonospace = true;
      notepadFontFamily = "";
      notepadFontSize = 14;
      notepadShowLineNumbers = false;
      notepadTransparencyOverride = -1;
      notepadLastCustomTransparency = 0.7;

      soundsEnabled = true;
      useSystemSoundTheme = false;
      soundNewNotification = true;
      soundVolumeChanged = true;
      soundPluggedIn = true;

      acMonitorTimeout = 0;
      acLockTimeout = 0;
      acSuspendTimeout = 0;
      acSuspendBehavior = 0;
      acProfileName = "";

      batteryMonitorTimeout = 0;
      batteryLockTimeout = 0;
      batterySuspendTimeout = 0;
      batterySuspendBehavior = 0;
      batteryProfileName = "";

      lockBeforeSuspend = false;
      loginctlLockIntegration = true;
      fadeToLockEnabled = false;
      fadeToLockGracePeriod = 5;
      launchPrefix = "";

      brightnessDevicePins = {};
      wifiNetworkPins = {};
      bluetoothDevicePins = {};
      audioInputDevicePins = {};
      audioOutputDevicePins = {};

      gtkThemingEnabled = false;
      qtThemingEnabled = false;
      syncModeWithPortal = true;
      terminalsAlwaysDark = true;

      showDock = true;
      dockAutoHide = true;
      dockGroupByApp = true;
      dockOpenOnOverview = false;
      dockPosition = 1;
      dockSpacing = 3;
      dockBottomGap = -16;
      dockMargin = 2;
      dockIconSize = 45;
      dockIndicatorStyle = "circle";
      dockBorderEnabled = true;
      dockBorderColor = "primary";
      dockBorderOpacity = 0.2;
      dockBorderThickness = 2;

      notificationOverlayEnabled = false;
      modalDarkenBackground = true;
      lockScreenShowPowerActions = true;
      enableFprint = false;
      maxFprintTries = 15;
      lockScreenActiveMonitor = "all";
      lockScreenInactiveColor = "#000000";
      hideBrightnessSlider = false;

      notificationTimeoutLow = 5000;
      notificationTimeoutNormal = 5000;
      notificationTimeoutCritical = 0;
      notificationPopupPosition = 0;

      osdAlwaysShowValue = false;
      osdPosition = 5;
      osdVolumeEnabled = true;
      osdMediaVolumeEnabled = true;
      osdBrightnessEnabled = true;
      osdIdleInhibitorEnabled = true;
      osdMicMuteEnabled = true;
      osdCapsLockEnabled = true;
      osdPowerProfileEnabled = false;
      osdAudioOutputEnabled = true;

      powerActionConfirm = true;
      powerActionHoldDuration = 0.5;
      powerMenuActions = ["reboot" "logout" "poweroff" "lock" "suspend" "restart"];
      powerMenuDefaultAction = "logout";
      powerMenuGridLayout = false;

      customPowerActionLock = "";
      customPowerActionLogout = "";
      customPowerActionSuspend = "";
      customPowerActionHibernate = "";
      customPowerActionReboot = "";
      customPowerActionPowerOff = "";

      updaterUseCustomCommand = false;
      updaterCustomCommand = "";
      updaterTerminalAdditionalParams = "";

      displayNameMode = "model";

      showOnLastDisplay = {
        dock = true;
      };

      barConfigs = [
        {
          id = "default";
          name = "Main Bar";
          enabled = true;
          position = 0;
          screenPreferences = ["all"];
          showOnLastDisplay = true;

          leftWidgets = [
            {
              id = "launcherButton";
              enabled = true;
            }
            {
              id = "nixMonitor";
              enabled = true;
            }
            {
              id = "cpuUsage";
              enabled = true;
            }
            {
              id = "cpuTemp";
              enabled = true;
            }
          ]
          ++ lib.optionals gpuTempEnabled [
            {
              id = "gpuTemp";
              enabled = true;
              selectedGpuIndex = 0;
              pciId = "10de:1f07";
            }
          ]
          ++ [
            {
              id = "memUsage";
              enabled = true;
            }
            {
              id = "music";
              enabled = false;
            }
            {
              id = "focusedWindow";
              enabled = false;
            }
          ];

          centerWidgets = [
            {
              id = "privacyIndicator";
              enabled = false;
            }
            {
              id = "workspaceSwitcher";
              enabled = true;
            }
            {
              id = "privacyIndicator";
              enabled = true;
            }
          ];

          rightWidgets = cfg.extraRightBarWidgets
          ++ [
            {
              id = "systemTray";
              enabled = true;
            }
            {
              id = "notificationButton";
              enabled = true;
            }
            {
              id = "battery";
              enabled = true;
            }
            {
              id = "controlCenterButton";
              enabled = true;
            }
            {
              id = "clock";
              enabled = true;
              clockCompactMode = false;
            }
          ];

          spacing = 0;
          innerPadding = 4;
          bottomGap = -4;
          transparency = 0;
          widgetTransparency = 0.45;
          squareCorners = true;
          noBackground = false;
          gothCornersEnabled = true;
          gothCornerRadiusOverride = false;
          gothCornerRadiusValue = 12;
          borderEnabled = false;
          borderColor = "primary";
          borderOpacity = 1;
          borderThickness = 1;
          widgetOutlineEnabled = true;
          widgetOutlineColor = "secondary";
          widgetOutlineOpacity = 0.25;
          widgetOutlineThickness = 2;
          fontScale = 1;
          autoHide = false;
          autoHideDelay = 250;
          openOnOverview = false;
          visible = true;
          popupGapsAuto = true;
          popupGapsManual = 22;
          maximizeDetection = true;
        }
      ];

      configVersion = 2;
    };
  };

  # DMS / matugen custom templates.
  #
  # DMS docs (custom templates): https://danklinux.com/docs/dankmaterialshell/application-themes#custom-matugen-templates
  xdg.configFile."matugen/config.toml".text =
    ''
    [config]

    [templates.hyprland]
    input_path = '${home}/.config/matugen/templates/hyprland-colors.conf'
    output_path = '${home}/.config/hypr/colors.conf'

    [templates.kdeglobals]
    input_path = '${home}/.config/matugen/templates/kdeglobals.conf'
    output_path = '${home}/.config/kdeglobals'

    [templates.ohmyposh]
    input_path = '${home}/.config/matugen/templates/ohmyposh-theme.omp.json'
    output_path = '${home}/.config/oh-my-posh/theme.omp.json'

    [templates.dank-discord]
    input_path = '${home}/.config/matugen/templates/dank-discord.css'
    output_path = '${home}/.config/vesktop/themes/dank-discord.css'
  ''
    + lib.optionalString (obsidianSnippetDirs != []) (
      lib.concatStringsSep "\n" (
        lib.lists.imap0 (i: snippetDir: ''

          [templates.Obsidian${toString i}]
          input_path = '${home}/.config/matugen/templates/obsidian-minimal-matugen-colors.css'
          output_path = '${snippetDir}/matugen.css'
        '') obsidianSnippetDirs
      )
    )
    ;

  # Obsidian snippet dirs for matugen: mkdir here instead of tmpfiles (no chmod fights on weird mounts).
  home.activation.dmsEnsureObsidianSnippetDirs = lib.hm.dag.entryAfter ["writeBoundary"] (
    let
      snippetDirs = lib.unique obsidianSnippetDirs;
      escapedSnippetDirs = map lib.escapeShellArg snippetDirs;
    in
      ''
        for snippetDir in ${lib.concatStringsSep " " escapedSnippetDirs}; do
          parentDir="$(dirname "$snippetDir")"

          if [ -d "$snippetDir" ]; then
            continue
          fi

          if [ ! -d "$parentDir" ] || [ ! -w "$parentDir" ]; then
            echo "dms: skipping Obsidian snippet dir '$snippetDir' (parent missing or not writable)" >&2
            continue
          fi

          mkdir -p "$snippetDir"
        done
      ''
  );

  xdg.configFile."matugen/templates/dank-discord.css".source = ../templates/dank-discord.css;

  # matugen template → Hyprland colors file sourced at runtime.
  # Your Hyprland module includes: `source = ~/.config/hypr/colors.conf`
  # (see `modules/desktop/hyprland/home-manager/appearance.nix`).
  xdg.configFile."matugen/templates/hyprland-colors.conf".text = ''
    # Hyprland colors generated by DMS/matugen
    # Keep `.default` so DMS can swap to `.dark` when "Always use Dark Theme" is enabled.

    general {
      col.active_border = rgb({{colors.primary.default.hex_stripped}}) rgb({{colors.secondary.default.hex_stripped}}) rgb({{colors.tertiary.default.hex_stripped}})
      col.inactive_border = rgba({{colors.surface_variant.default.hex_stripped}}ee)
    }

    decoration {
      shadow {
        color = rgba({{colors.shadow.default.hex_stripped}}cc)
      }
    }

    # Hyprbars colors
    plugin {
      hyprbars {
        bar_color = rgba({{colors.surface.default.hex_stripped}}ff)
        col.text = rgba({{colors.on_surface.default.hex_stripped}}ff)
      }
    }
  '';

  # matugen template → KDE globals file used by KDE/Qt apps (e.g. Dolphin).
  # Uses DMS-provided matugen color variables; keep `.default` for mode-aware colors.
  xdg.configFile."matugen/templates/kdeglobals.conf".text = ''
    [General]
    ColorScheme=DMSDynamic
    TerminalApplication=kitty
    TerminalService=kitty.desktop

    # Keep Qt/KDE app icons on WhiteSur (this is what Dolphin reads via KDE config)
    [Icons]
    Theme=WhiteSur-dark

    [Colors:Window]
    BackgroundNormal=#{{colors.background.default.hex_stripped}}
    BackgroundAlternate=#{{colors.surface.default.hex_stripped}}
    DecorationFocus=#{{colors.primary.default.hex_stripped}}
    DecorationHover=#{{colors.secondary.default.hex_stripped}}
    ForegroundNormal=#{{colors.on_surface.default.hex_stripped}}
    ForegroundInactive=#{{colors.on_surface_variant.default.hex_stripped}}
    ForegroundActive=#{{colors.on_surface.default.hex_stripped}}
    ForegroundLink=#{{colors.primary.default.hex_stripped}}
    ForegroundVisited=#{{colors.tertiary.default.hex_stripped}}
    ForegroundNegative=#{{colors.error.default.hex_stripped}}
    ForegroundNeutral=#{{colors.secondary.default.hex_stripped}}
    ForegroundPositive=#{{colors.primary.default.hex_stripped}}

    [Colors:View]
    BackgroundNormal=#{{colors.background.default.hex_stripped}}
    BackgroundAlternate=#{{colors.surface.default.hex_stripped}}
    DecorationFocus=#{{colors.primary.default.hex_stripped}}
    DecorationHover=#{{colors.secondary.default.hex_stripped}}
    ForegroundNormal=#{{colors.on_surface.default.hex_stripped}}
    ForegroundInactive=#{{colors.on_surface_variant.default.hex_stripped}}
    ForegroundActive=#{{colors.on_surface.default.hex_stripped}}
    ForegroundLink=#{{colors.primary.default.hex_stripped}}
    ForegroundVisited=#{{colors.tertiary.default.hex_stripped}}
    ForegroundNegative=#{{colors.error.default.hex_stripped}}
    ForegroundNeutral=#{{colors.secondary.default.hex_stripped}}
    ForegroundPositive=#{{colors.primary.default.hex_stripped}}

    [Colors:Button]
    BackgroundNormal=#{{colors.surface.default.hex_stripped}}
    BackgroundAlternate=#{{colors.surface_variant.default.hex_stripped}}
    DecorationFocus=#{{colors.primary.default.hex_stripped}}
    DecorationHover=#{{colors.secondary.default.hex_stripped}}
    ForegroundNormal=#{{colors.on_surface.default.hex_stripped}}
    ForegroundInactive=#{{colors.on_surface_variant.default.hex_stripped}}
    ForegroundActive=#{{colors.on_surface.default.hex_stripped}}
    ForegroundLink=#{{colors.primary.default.hex_stripped}}
    ForegroundVisited=#{{colors.tertiary.default.hex_stripped}}
    ForegroundNegative=#{{colors.error.default.hex_stripped}}
    ForegroundNeutral=#{{colors.secondary.default.hex_stripped}}
    ForegroundPositive=#{{colors.primary.default.hex_stripped}}

    [Colors:Selection]
    BackgroundNormal=#{{colors.primary.default.hex_stripped}}
    BackgroundAlternate=#{{colors.primary_container.default.hex_stripped}}
    DecorationFocus=#{{colors.primary.default.hex_stripped}}
    DecorationHover=#{{colors.secondary.default.hex_stripped}}
    ForegroundNormal=#{{colors.on_primary.default.hex_stripped}}
    ForegroundInactive=#{{colors.on_primary.default.hex_stripped}}
    ForegroundActive=#{{colors.on_primary.default.hex_stripped}}
    ForegroundLink=#{{colors.on_primary.default.hex_stripped}}
    ForegroundVisited=#{{colors.on_primary.default.hex_stripped}}
    ForegroundNegative=#{{colors.on_primary.default.hex_stripped}}
    ForegroundNeutral=#{{colors.on_primary.default.hex_stripped}}
    ForegroundPositive=#{{colors.on_primary.default.hex_stripped}}

    [Colors:Tooltip]
    BackgroundNormal=#{{colors.surface_variant.default.hex_stripped}}
    BackgroundAlternate=#{{colors.surface.default.hex_stripped}}
    DecorationFocus=#{{colors.primary.default.hex_stripped}}
    DecorationHover=#{{colors.secondary.default.hex_stripped}}
    ForegroundNormal=#{{colors.on_surface.default.hex_stripped}}
    ForegroundInactive=#{{colors.on_surface_variant.default.hex_stripped}}
    ForegroundActive=#{{colors.on_surface.default.hex_stripped}}
    ForegroundLink=#{{colors.primary.default.hex_stripped}}
    ForegroundVisited=#{{colors.tertiary.default.hex_stripped}}
    ForegroundNegative=#{{colors.error.default.hex_stripped}}
    ForegroundNeutral=#{{colors.secondary.default.hex_stripped}}
    ForegroundPositive=#{{colors.primary.default.hex_stripped}}

    [WM]
    activeBackground=#{{colors.background.default.hex_stripped}}
    activeBlend=#{{colors.background.default.hex_stripped}}
    activeForeground=#{{colors.on_surface.default.hex_stripped}}
    inactiveBackground=#{{colors.background.default.hex_stripped}}
    inactiveBlend=#{{colors.background.default.hex_stripped}}
    inactiveForeground=#{{colors.on_surface_variant.default.hex_stripped}}
  '';

  # matugen → Oh My Posh JSON; hex in the base theme swapped for matugen tokens.
  xdg.configFile."matugen/templates/ohmyposh-theme.omp.json".text = ''
    {
        "$schema": "https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/schema.json",
        "blocks": [
          {
            "alignment": "left",
            "segments": [
              {
                "background": "#3A456E",
                "foreground": "#ffbebc",
                "leading_diamond": "\ue0b6",
                "style": "diamond",
                "template": "\u007B\u007B .UserName \u007D\u007D@\u007B\u007B .HostName \u007D\u007D <#ffffff>on</>",
                "type": "session"
              },
              {
                "type": "os",
                "style": "diamond",
                "background": "#3A456E",
                "foreground": "#ffffff",
                "trailing_diamond": "\ue0b4",
                "template": " \u007B\u007B .Icon \u007D\u007D "
              },
              {"type": "session",
              "style": "diamond",
              "background": "#3A456E",
              "foreground": "#ffbebc",
              "template": "\u007B\u007B if .SSHSession \u007D\u007Dvia SSH\u007B\u007B end \u007D\u007D",
              "trailing_diamond": "\ue0b4",
              "type": "session"
              },
              {
                "type": "text",
                "style": "diamond",
                "background": "#3A456E",
                "foreground": "#ffbebc",
                "template": "\u007B\u007B if .Env.IN_NIX_SHELL \u007D\u007Din nix-shell\u007B\u007B end \u007D\u007D",
                "trailing_diamond": "\ue0b4"
              },
              {
                "background": "#3A456E",
                "foreground": "#bc93ff",
                "leading_diamond": "\ue0b6",
                "properties": {
                  "time_format": "Monday <#ffffff>at</> 3:04 PM"
                },
                "style": "diamond",
                "trailing_diamond": "\ue0b4",
                "template": "\u007B\u007B .CurrentDate | date .Format \u007D\u007D",
                "type": "time"
              },


              {
                "background": "#3A456E",
                "foreground": "#43CCEA",
                "foreground_templates": [
                  "\u007B\u007B if or (.Working.Changed) (.Staging.Changed) \u007D\u007D#FF9248\u007B\u007B end \u007D\u007D",
                  "\u007B\u007B if and (gt .Ahead 0) (gt .Behind 0) \u007D\u007D#ff4500\u007B\u007B end \u007D\u007D",
                  "\u007B\u007B if gt .Ahead 0 \u007D\u007D#B388FF\u007B\u007B end \u007D\u007D",
                  "\u007B\u007B if gt .Behind 0 \u007D\u007D#B388FF\u007B\u007B end \u007D\u007D"
                ],
                "leading_diamond": " \ue0b6",
                "options": {
                  "branch_template": "\u007B\u007B trunc 25 .Branch \u007D\u007D",
                  "fetch_status": true,
                  "fetch_upstream_icon": true
                },
                "style": "diamond",
                "template": " \u007B\u007B .UpstreamIcon \u007D\u007D\u007B\u007B .HEAD \u007D\u007D\u007B\u007Bif .BranchStatus \u007D\u007D \u007B\u007B .BranchStatus \u007D\u007D\u007B\u007B end \u007D\u007D\u007B\u007B if .Working.Changed \u007D\u007D \uf044 \u007B\u007B .Working.String \u007D\u007D\u007B\u007B end \u007D\u007D\u007B\u007B if and (.Working.Changed) (.Staging.Changed) \u007D\u007D |\u007B\u007B end \u007D\u007D\u007B\u007B if .Staging.Changed \u007D\u007D \uf046 \u007B\u007B .Staging.String \u007D\u007D\u007B\u007B end \u007D\u007D\u007B\u007B if gt .StashCount 0 \u007D\u007D \ueb4b \u007B\u007B .StashCount \u007D\u007D\u007B\u007B end \u007D\u007D ",
                "trailing_diamond": "\ue0b4",
                "type": "git"
              },
              {
                "background": "#3A456E",
                "foreground": "#E4F34A",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "style": "diamond",
                "template": "\ue235 \u007B\u007B if .Error \u007D\u007D\u007B\u007B .Error \u007D\u007D\u007B\u007B else \u007D\u007D\u007B\u007B if .Venv \u007D\u007D\u007B\u007B .Venv \u007D\u007D \u007B\u007B end \u007D\u007D\u007B\u007B .Full \u007D\u007D\u007B\u007B end \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "python"
              },
              {
                "background": "#3A456E",
                "foreground": "#7FD5EA",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "style": "diamond",
                "template": "\ue626\u007B\u007B if .Error \u007D\u007D\u007B\u007B .Error \u007D\u007D\u007B\u007B else \u007D\u007D\u007B\u007B .Full \u007D\u007D\u007B\u007B end \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "go"
              },
              {
                "background": "#3A456E",
                "foreground": "#42E66C",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "style": "diamond",
                "template": "\ue718\u007B\u007B if .PackageManagerIcon \u007D\u007D\u007B\u007B .PackageManagerIcon \u007D\u007D \u007B\u007B end \u007D\u007D\u007B\u007B .Full \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "node"
              },
              {
                "background": "#3A456E",
                "foreground": "#E64747",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "style": "diamond",
                "template": "\ue791\u007B\u007B if .Error \u007D\u007D\u007B\u007B .Error \u007D\u007D\u007B\u007B else \u007D\u007D\u007B\u007B .Full \u007D\u007D\u007B\u007B end \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "ruby"
              },
              {
                "background": "#3A456E",
                "foreground": "#E64747",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "style": "diamond",
                "template": "\ue738\u007B\u007B if .Error \u007D\u007D\u007B\u007B .Error \u007D\u007D\u007B\u007B else \u007D\u007D\u007B\u007B .Full \u007D\u007D\u007B\u007B end \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "java"
              },
              {
                "background": "#3A456E",
                "foreground": "#9B6BDF",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "style": "diamond",
                "template": "\ue624\u007B\u007B if .Error \u007D\u007D\u007B\u007B .Error \u007D\u007D\u007B\u007B else \u007D\u007D\u007B\u007B .Full \u007D\u007D\u007B\u007B end \u007D\u007D ",
                "trailing_diamond": "\ue0b4",
                "type": "julia"
              },
              {
                "type": "php",
                "style": "diamond",
                "foreground": "#ffffff",
                "background": "#4063D8",
                "leading_diamond": " \ue0b6",
                "options": {
                  "fetch_version": false
                },
                "template": "\ue73d \u007B\u007B .Full \u007D\u007D ",
                "trailing_diamond": "\ue0b4"
              },
              {
                "background": "#3A456E",
                "foreground": "#9B6BDF",
                "foreground_templates": [
                  "\u007B\u007Bif eq \"Charging\" .State.String\u007D\u007D#40c4ff\u007B\u007Bend\u007D\u007D",
                  "\u007B\u007Bif eq \"Discharging\" .State.String\u007D\u007D#ff5722\u007B\u007Bend\u007D\u007D",
                  "\u007B\u007Bif eq \"Full\" .State.String\u007D\u007D#4caf50\u007B\u007Bend\u007D\u007D"
                ],
                "leading_diamond": " \ue0b6",
                "options": {
                  "charged_icon": "• ",
                  "charging_icon": "\u21e1 ",
                  "discharging_icon": "\u21e3 "
                },
                "style": "diamond",
                "template": "\u007B\u007B if not .Error \u007D\u007D\u007B\u007B .Icon \u007D\u007D\u007B\u007B .Percentage \u007D\u007D\u007B\u007B end \u007D\u007D\u007B\u007B .Error \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "battery"
              }
            ],
            "type": "prompt"
          },
          {
          "alignment": "right",
          "segments": [
          {
                "background": "#3A456E",
                "foreground": "#AEA4BF",
                "leading_diamond": "\ue0b6",
                "options": {
                  "style": "austin",
                  "threshold": 150
                },
                "style": "diamond",
                "template": "\u007B\u007B .FormattedMs \u007D\u007D",
                "trailing_diamond": "\ue0b4 ",
                "type": "executiontime"
              }
          ],
          "type": "prompt"
          },
          {
            "alignment": "left",
            "newline": true,
            "segments": [
            {
                "background": "#3A456E",
                "foreground": "#3EC669",
                "leading_diamond": "\ue0b6",
                "properties": {
                  "style": "agnoster_full",
                  "cycle": [
                    "#3EC669,#3A456E",
                    "#43CCEA,#3A456E",
                    "#E4F34A,#3A456E",
                    "#9B6BDF,#3A456E"
                  ],
                  "cycle_folder_separator": true
                },
                "style": "diamond",
                "template": "\ue5ff \u007B\u007B .Path \u007D\u007D",
                "trailing_diamond": "\ue0b4",
                "type": "path"
              },
              {
                "background": "#3A456E",
                "foreground": "#ffbebc",
              "leading_diamond": "\ue0b6",
              "style": "diamond",
              "template": "\ue602",
              "trailing_diamond": "\ue0b4",
              "type": "text"
            }
            ],
            "type": "prompt"
          }
        ],
        "final_space": true,
        "version": 4
      }
  '';

  # matugen template → Obsidian CSS snippet (Minimal-compatible variables).
  #
  # Upstream template:
  # https://raw.githubusercontent.com/Simorg2002/obsidian-matugen-template/refs/heads/main/obsidian-minimal-matugen-colors.css
  xdg.configFile."matugen/templates/obsidian-minimal-matugen-colors.css".text = ''
    .theme-dark {
    	--accent-h:calc({{colors.primary.dark.hue}}/255*360);
    	--accent-s:calc({{colors.primary.dark.saturation}}/255*100%);
    	--accent-l:calc({{colors.primary.dark.lightness}}/255*100%);
    
      --text-normal:{{colors.on_surface.dark.hex}};
      --text-muted:{{colors.on_surface_variant.dark.hex}};
      --text-faint:{{colors.outline.dark.hex}};
    
      --background-primary:{{colors.surface.dark.hex}}; /* editor and right ribbon */
      --background-secondary:{{colors.surface_dim.dark.hex}}; /* left ribbon */ 
      --background-modifier-hover:{{colors.secondary_container.dark.hex}};
      --background-modifier-active-hover:{{colors.secondary.dark.hex}};
      --background-modifier-message:{{colors.surface_dim.dark.hex}};
      --background-modifier-form-field:{{colors.primary_container.dark.hex}};
    
      --ribbon-background:{{colors.surface.dark.hex}};
      --divider-color:{{colors.secondary_container.dark.hex}};
      --scrollbar-thumb-bg:{{colors.on_secondary_container.dark.hex}};
      --status-bar-border-color:{{colors.secondary_container.dark.hex}};
      --status-bar-background:{{colors.surface.dark.hex}};
      --titlebar-background:{{colors.surface.dark.hex}};
      --titlebar-text-color:{{colors.on_surface.dark.hex}};
    
      --nav-item-color:{{colors.on_surface_variant.dark.hex}};
      --nav-item-color-active:{{colors.on_primary_container.dark.hex}};
      --nav-item-background-active:{{colors.primary_container.dark.hex}};
      --nav-item-color-hover:{{colors.on_secondary_container.dark.hex}};
      --nav-item-background-hover:{{colors.secondary_container.dark.hex}};
    
      --tab-background-active:{{colors.primary_container.dark.hex}};
      --tab-text-color-active:{{colors.on_primary_container.dark.hex}};
      --tab-text-color:{{colors.on_surface_variant.dark.hex}};
    
      --icon-color:{{colors.on_surface.dark.hex}};
    
      --h1-color:{{colors.primary.dark.hex}};
      --h2-color: color-mix(in srgb, {{colors.primary.dark.hex}}, {{colors.tertiary.dark.hex}});
      --h3-color:{{colors.tertiary.dark.hex}};
      --h4-color: color-mix(in srgb, {{colors.primary.dark.hex}}, {{colors.secondary.dark.hex}});
      --h5-color:{{colors.secondary.dark.hex}};
      --h6-color: color-mix(in srgb, {{colors.tertiary.dark.hex}}, {{colors.secondary.dark.hex}});
    
    
      }
    
    
    /* add parts not accessible without specific selector?*/
    .theme-dark .sidebar-toggle-button.mod-left {
      color:{{colors.on_surface.dark.hex}};
      background:{{colors.surface.dark.hex}};
    }
    .theme-dark .sidebar-toggle-button.mod-right {
      color:{{colors.on_surface.dark.hex}};
      background:{{colors.surface.dark.hex}};
    }
    
    .theme-dark .workspace-tab-header-container{
      background:{{colors.surface.dark.hex}};
    }
    
    
    /* copy for light mode */
    .theme-light {
    	--accent-h:calc({{colors.primary.light.hue}}/255*360);
    	--accent-s:calc({{colors.primary.light.saturation}}/255*100%);
    	--accent-l:calc({{colors.primary.light.lightness}}/255*100%);
    
      --text-normal:{{colors.on_surface.light.hex}};
      --text-muted:{{colors.on_surface_variant.light.hex}};
      --text-faint:{{colors.outline.light.hex}};
    
      --background-primary:{{colors.surface.light.hex}}; /* editor and right ribbon */
      --background-secondary:{{colors.surface_dim.light.hex}}; /* left ribbon */ 
      --background-modifier-hover:{{colors.secondary_container.light.hex}};
      --background-modifier-active-hover:{{colors.secondary.light.hex}};
      --background-modifier-message:{{colors.surface_dim.light.hex}};
      --background-modifier-form-field:{{colors.primary_container.light.hex}};
    
      --ribbon-background:{{colors.surface.light.hex}};
      --divider-color:{{colors.secondary_container.light.hex}};
      --scrollbar-thumb-bg:{{colors.on_secondary_container.light.hex}};
      --status-bar-border-color:{{colors.secondary_container.light.hex}};
      --status-bar-background:{{colors.surface.light.hex}};
      --titlebar-background:{{colors.surface.light.hex}};
      --titlebar-text-color:{{colors.on_surface.light.hex}};
    
      --nav-item-color:{{colors.on_surface_variant.light.hex}};
      --nav-item-color-active:{{colors.on_primary_container.light.hex}};
      --nav-item-background-active:{{colors.primary_container.light.hex}};
      --nav-item-color-hover:{{colors.on_secondary_container.light.hex}};
      --nav-item-background-hover:{{colors.secondary_container.light.hex}};
    
      --tab-background-active:{{colors.primary_container.light.hex}};
      --tab-text-color-active:{{colors.on_primary_container.light.hex}};
      --tab-text-color:{{colors.on_surface_variant.light.hex}};
    
      --icon-color:{{colors.on_surface.light.hex}};
    
      --h1-color:{{colors.primary.light.hex}};
      --h2-color: color-mix(in srgb, {{colors.primary.light.hex}}, {{colors.tertiary.light.hex}});
      --h3-color:{{colors.tertiary.light.hex}};
      --h4-color: color-mix(in srgb, {{colors.primary.light.hex}}, {{colors.secondary.light.hex}});
      --h5-color:{{colors.secondary.light.hex}};
      --h6-color: color-mix(in srgb, {{colors.tertiary.light.hex}}, {{colors.secondary.light.hex}});
    
    
      }
    
    
    /* add parts not accessible without specific selector?*/
    .theme-light .sidebar-toggle-button.mod-left {
      color:{{colors.on_surface.light.hex}};
      background:{{colors.surface.light.hex}};
    }
    .theme-light .sidebar-toggle-button.mod-right {
      color:{{colors.on_surface.light.hex}};
      background:{{colors.surface.light.hex}};
    }
    
    .theme-light .workspace-tab-header-container{
      background:{{colors.surface.light.hex}};
    }

    /* Hide window controls (frameless titlebar buttons) */
    div[aria-label="Close window"],
    div[aria-label="Minimize"],
    div[aria-label="Restore down"],
    div[aria-label="Maximize"]{
      display: none !important;
    }

    /* Remove the extra right-side spacing reserved for those buttons */
    .is-hidden-frameless:not(.is-fullscreen) .workspace-tabs.mod-top-right-space .workspace-tab-header-container{
      padding-right: 0px !important;
    }

    .is-hidden-frameless:not(.is-fullscreen) .workspace-tabs.mod-top-right-space .workspace-tab-header-container:after{
      display: none !important;
    }
  '';
  }
  (lib.mkIf (lib.attrByPath [ "chiasson" "home" "shell" "ohMyPosh" "enable" ] false config) {
    # Same path as matugen `[templates.ohmyposh]` output in `programs.dank-material-shell` config.
    programs.oh-my-posh = {
      useTheme = lib.mkForce null;
      configFile = lib.mkForce "${config.xdg.configHome}/oh-my-posh/theme.omp.json";
    };
  })
  ]);
}