diff --git a/flake.nix b/flake.nix
index 838415c..4ac7a8e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,10 @@
   outputs = inputs@{ self, nix-darwin, nixpkgs, home-manager, nixvim, claude-code }:
   let
     configuration = { pkgs, ... }: {
+      imports = [
+        ./system
+      ];
+
       environment.systemPackages =
         [ pkgs.vim
           pkgs.git
diff --git a/system/default.nix b/system/default.nix
new file mode 100644
index 0000000..7a39153
--- /dev/null
+++ b/system/default.nix
@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./macos-defaults.nix
+  ];
+}
\ No newline at end of file
diff --git a/system/macos-defaults.nix b/system/macos-defaults.nix
new file mode 100644
index 0000000..92d8304
--- /dev/null
+++ b/system/macos-defaults.nix
@@ -0,0 +1,12 @@
+{ config, pkgs, ... }:
+
+{
+  system.defaults.NSGlobalDomain = {
+    # Menu bar spacing configuration
+    # NSStatusItemSpacing controls horizontal spacing between menu bar items
+    # NSStatusItemSelectionPadding controls padding inside selection overlay
+    # Optimal ratio is 1:2 (spacing:padding)
+    NSStatusItemSpacing = 6;
+    NSStatusItemSelectionPadding = 12;
+  };
+}
\ No newline at end of file