Unify Form Layouts and Backgrounds Across Verification & Recovery Screens

### Description

Standardize the design across all authentication-related screens to ensure a consistent user experience. This includes:

Use a single consistent background style across the following pages:

- Email Verification
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- Phone Number Verification
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- Recover Your Account
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- Secure Your Account

- Align form dimensions for Email Verification to match others.
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- Restructure the Phone Number Verification screen:
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- Wrap content in a properly styled form component
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- Add a clear, consistent title
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- Restructure Recover Your Account screen to wrap the second section inside a form
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- Ensure spacing (padding/margins) is consistent across all screens.

**Acceptance Criteria:**

- All listed screens share the same background
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- All forms are dimensionally consistent
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- Titles are present and styled uniformly
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- Visual spacing matches design guidelines

### Discussion

_No response_

### Motivation

_No response_

### Details

_No response_