stylix(fonts): set default fonts (systemwide)

home-manager/stylix.nix

@@ -1,4 +1,4 @@
-{ breezex-cursor, system, ... }:
+{ breezex-cursor, system, pkgs, ... }:
 {
   stylix = {
     enable = true;
@@ -15,6 +15,23 @@
       name = "BreezeX-Light";
       size = 24;
     };
+
+    fonts = {
+      monospace = {
+        name = "VictorMono Nerd Font";
+        package = pkgs.nerdfonts;
+      };
+
+      sansSerif = {
+        name = "IBM Plex Sans";
+        package = pkgs.ibm-plex;
+      };
+
+      serif = {
+        name = "CMU Serif";
+        package = pkgs.cm_unicode;
+      };
+    };
   };
 
   # fix cursor size for some apps

nixos/configuration.nix

@@ -175,10 +175,14 @@
   fonts = {
     packages = with pkgs; [
       nerdfonts
+      ibm-plex
+      cm_unicode
     ];
     fontconfig = {
       defaultFonts = {
         monospace = [ "VictorMono NF Medium" ];
+        sansSerif = [ "IBM Plex Sans" ];
+        serif = [ "CMU Serif" ];
       };
     };
   };