feat: set up 'stylix'

modules/common/default.nix

@@ -11,6 +11,7 @@ in
 {
   imports = [
     inputs.home-manager.nixosModules.default
+    ../stylix.nix
   ];
 
   system.stateVersion = "25.05";

modules/stylix.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  inputs,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ inputs.stylix.nixosModules.stylix ];
+
+  stylix = {
+    enable = true;
+    polarity = "dark";
+    base16Scheme = ../stylix/zenwritten-dark.yaml;
+    image = config.lib.stylix.pixel "base00";
+    fonts = {
+      monospace = {
+        package = pkgs.iosevka-bin.override { variant = "SS08"; };
+        name = "Iosevka Term SS08";
+      };
+    };
+    autoEnable = true;
+  };
+
+  home-manager.sharedModules = [
+    {
+      stylix.targets = {
+        firefox.profileNames = [ "default" ];
+        librewolf.profileNames = [ "default" ];
+        kitty.enable = false;
+        waybar.enable = false;
+      };
+    }
+  ];
+}