Message Box Position Issue and Reversed Background Text in Chat with Rider

Describe the bug
The message box is positioned too low on the screen, and the background text is displayed in reverse.

To Reproduce

Go to 'Place Order'.
Complete the process to place the order.
When the order is placed and assigned to a rider, click on 'Chat with Rider'.
See error
Expected behavior
The message box should be positioned slightly higher for better accessibility, and the background text should be displayed correctly, not in reverse.

Screenshots
IMG_0143

Smartphone (please complete the following information):

Device: IOS

Start by reproducing the issue on iOS through the Place Order flow, then open Chat with Rider after the order is assigned. Verify the message box position and background text rendering against the expected behavior; done means the box is higher for accessibility and the text is no longer reversed.

Written by the indexing model from the issue text.