From 24d03908557a8ccf528d3bba66bd1196941eecb8 Mon Sep 17 00:00:00 2001
From: "Henry J. Webster" <hwebs@hwebs.info>
Date: Thu, 30 Jul 2026 17:55:14 -0500
Subject: enzo: declarative firefox customizations

Dark chrome, blank home/new-tab, and toolbar removal via userChrome.css.

Assisted-by: Claude:claude-opus-4-8
---
 machines/enzo/desktop.nix | 35 +++++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

(limited to 'machines/enzo')

diff --git a/machines/enzo/desktop.nix b/machines/enzo/desktop.nix
index 8d61670..338e75c 100644
--- a/machines/enzo/desktop.nix
+++ b/machines/enzo/desktop.nix
@@ -71,9 +71,40 @@
     "input"
   ];
 
-  programs.firefox.enable = true;
+  # Firefox with declarative customizations: dark chrome, blank home/new-tab,
+  # and toolbars stripped via userChrome.css. Settings here are authoritative on
+  # each rebuild; anything not listed stays adjustable in the UI.
+  programs.firefox = {
+    enable = true;
+
+    profiles.default = {
+      isDefault = true;
+
+      settings = {
+        # Dark theme (UI chrome + toolbars)
+        "ui.systemUsesDarkTheme" = 1;
+        "browser.theme.content-theme" = 0;
+        "browser.theme.toolbar-theme" = 0;
+
+        # Blank home page + blank new tab
+        "browser.startup.homepage" = "about:blank";
+        "browser.startup.page" = 0; # 0 = blank on startup
+        "browser.newtabpage.enabled" = false;
 
-    
+        # Required for userChrome.css below to load
+        "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
+      };
+
+      # Toolbar removal. Tweak/uncomment to taste.
+      userChrome = ''
+        /* Bookmarks toolbar */
+        #PersonalToolbar { visibility: collapse !important; }
+
+        /* Whole nav + tab strip (uncomment for a truly chromeless window) */
+        /* #navigator-toolbox { visibility: collapse !important; } */
+      '';
+    };
+  };
 
   users.users.hwebs.packages = with pkgs; [
     ghostty # terminal
-- 
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