Update settings.mdx

Author: mintlify[bot]

settings.mdx

@@ -127,8 +127,35 @@ See [Themes](themes) for more information.
     <ResponseField name="eyebrows" type="&quot;section&quot; | &quot;breadcrumbs&quot;">
       The style of the page eyebrow. Choose `section` to show the section name or `breadcrumbs` to show the full navigation path. Defaults to `section`.
     </ResponseField>
-    <ResponseField name="codeblocks" type="&quot;system&quot; | &quot;dark&quot;">
-      The theme of the code blocks. Choose `system` to match the site theme or `dark` for always dark code blocks. Defaults to `system`.
+    <ResponseField name="codeblocks" type="&quot;system&quot; | &quot;dark&quot; | string | object">
+      The theme of the code blocks. You can use simple themes, specific theme names, or separate themes for light and dark modes.
+
+      **Simple options:**
+      - `"system"`: Match the site theme (default)
+      - `"dark"`: Always use dark code blocks
+
+      **Theme name:**
+      Use any [Shiki theme](https://shiki.style/themes) name as a string:
+      ```json
+      "styling": {
+        "codeblocks": {
+          "theme": "dracula"
+        }
+      }
+      ```
+
+      **Separate light/dark themes:**
+      Configure different themes for light and dark modes:
+      ```json
+      "styling": {
+        "codeblocks": {
+          "themes": {
+            "light": "github-light",
+            "dark": "github-dark"
+          }
+        }
+      }
+      ```
     </ResponseField>
   </Expandable>
 </ResponseField>