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 Place Order flow on an iOS device, then open Chat with Rider after the order is assigned. Inspect the chat screen entry point and compare it with the screenshot; done means the message box sits higher and the background text is no longer reversed.

Written by the indexing model from the issue text.