chore: UI improvement in auth screens (#12573)

# Pull Request Template

## Type of change

### Screenshots

**Before**
<img width="694" height="767" alt="image"
src="https://github.com/user-attachments/assets/4a92816a-c13e-4750-88fc-b05fd6d05db6"
/>

<img width="395" height="690" alt="image"
src="https://github.com/user-attachments/assets/eac0f15c-7c0f-4c20-942d-fbebdaec903e"
/>

<img width="506" height="753" alt="image"
src="https://github.com/user-attachments/assets/b14bbf5a-5e0a-4ca5-91e2-dcc93b22ac26"
/>


**After**
<img width="694" height="767" alt="image"
src="https://github.com/user-attachments/assets/6984c8af-0e98-4688-bda4-fc5ceb3227ca"
/>

<img width="411" height="682" alt="image"
src="https://github.com/user-attachments/assets/3b0f2c13-e4ea-4edc-9146-3c017d301a13"
/>
<img width="509" height="682" alt="image"
src="https://github.com/user-attachments/assets/2090d3ed-36ef-4684-8185-3a0e6b1b0c15"
/>



## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

app/javascript/v3/components/GoogleOauth/Button.vue

@@ -34,7 +34,7 @@ export default {
   <div class="flex flex-col">
     <a
       :href="getGoogleAuthUrl()"
-      class="inline-flex justify-center w-full px-4 py-3 bg-n-background dark:bg-n-solid-3 rounded-md shadow-sm ring-1 ring-inset ring-n-container dark:ring-n-container focus:outline-offset-0 hover:bg-n-alpha-2 dark:hover:bg-n-alpha-2"
+      class="inline-flex justify-center w-full px-4 py-3 bg-n-background dark:bg-n-solid-3 items-center rounded-md shadow-sm ring-1 ring-inset ring-n-container dark:ring-n-container focus:outline-offset-0 hover:bg-n-alpha-2 dark:hover:bg-n-alpha-2"
     >
       <span class="i-logos-google-icon h-6" />
       <span class="ml-2 text-base font-medium text-n-slate-12">