Try and define themes in dconf

desktop/base.nix

@@ -4,10 +4,25 @@
 { config, lib, pkgs, ... }:
 
 {
+	programs.dconf = {
+		enable = true;
+		profiles.user.databases = [
+			{
+				settings."org/gnome/desktop/interface" = {
+					color-scheme = "prefer-dark";
+					cursor-theme = "breeze_cursors";
+					cursor-size = 24;
+					gtk-theme = "Breeze";
+					icon-theme = "Papirus";
+				};
+			}
+		];
+	};
+
 	environment.systemPackages = with pkgs; [
 		# Themes
-		adwaita-icon-theme
 		kdePackages.breeze
+		kdePackages.breeze-gtk
 		papirus-icon-theme
 
 		# Common utils

desktop/hyprland.nix

@@ -53,7 +53,6 @@
 
 	# Cursor theme for Hyprland and regular Wayland/XWayland clients.
 	environment.sessionVariables = {
-		GTK_THEME = "Breeze";
 		XCURSOR_THEME = "breeze_cursors";
 		XCURSOR_SIZE = "24";
 		HYPRCURSOR_SIZE = "24";