Add firefox-gnome-theme

modules/desktop/browsers/firefox.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, inputs, ... }:
 
 with lib;
 with lib.my;
@@ -9,8 +9,28 @@ in {
   };
 
   config = mkIf cfg.enable {
+    home.file.".mozilla/firefox/Default/chrome/firefox-gnome-theme".source = inputs.firefox-gnome-theme;
+
     home.programs.firefox = {
       enable = true;
+      profiles.Default = {
+        search = {
+          default = "DuckDuckGo";
+          force = true;
+        };
+        userChrome = ''
+          @import "firefox-gnome-theme/userChrome.css";
+        '';
+        userContent = ''
+          @import "firefox-gnome-theme/userContent.css";
+        '';
+        settings = {
+          "toolkit.legacyUserProfileCustomizations.stylesheets" = true; # Enable customChrome.cs
+          "browser.uidensity" = 0; # Set UI density to normal
+          "svg.context-properties.content.enabled" = true; # Enable SVG context-propertes
+          "browser.theme.dark-private-windows" = false; # Disable private window dark theme
+        };
+      };
     };
   };
-}
+}