fix(google-aistudio): scope highlight-js styles to site

Author: WalkQuackBack

styles/google-aistudio/catppuccin.user.less

@@ -20,9 +20,8 @@
 // @import "https://userstyles.catppuccin.com/lib/m3.less";
 @import "https://github.com/catppuccin/userstyles/raw/refs/heads/feat/m3-lib/lib/m3.less";
 
-@import "https://unpkg.com/@catppuccin/[email protected]/css/catppuccin-variables.important.css";
-
 @-moz-document domain("aistudio.google.com") {
+  @import url("https://unpkg.com/@catppuccin/[email protected]/css/catppuccin-variables.important.css");
   :root {
     .light-theme {
       #catppuccin(@lightFlavor);