Merge pull request 'Apply darkmode' (#3) from feature/darkmode-ui into master

Reviewed-on: #3

home.nix

@@ -13,6 +13,7 @@
     ./programs/zsh.nix
     ./programs/direnv.nix
     ./programs/firefox.nix
+    ./wm/gtk.nix
     ./wm/hyprland.nix
     ./wm/hyprpaper.nix
   ];

wm/gtk.nix

@@ -0,0 +1,39 @@
+{ pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+    dconf
+  ];
+
+  dconf = {
+    enable = true;
+    settings = {
+      "org/gnome/desktop/interface" = {
+        color-scheme = "prefer-dark";
+      };
+    };
+  };
+
+  gtk = {
+    enable = true;
+    theme = {
+      name = "Orchis-dark";
+      package = pkgs.orchis-theme;
+    };
+    iconTheme = {
+      name = "Adwaita";
+      package = pkgs.adwaita-icon-theme;
+    };
+    cursorTheme = {
+      name = "Adwaita";
+      package = pkgs.adwaita-icon-theme;
+    };
+  };
+
+  home.sessionVariables = {
+    GTK_THEME = "Adwaita:dark";        # GTK apps dark theme
+    MOZ_GTK_THEME = "Adwaita:dark";    # Firefox respects this
+    GDK_DARK_THEME = "1";              # GTK4 apps dark mode
+    CHROME_FORCE_DARK_MODE = "1";      # Chromium / Chrome dark mode
+  };
+}