Textarea和modal不在移动设备上工作

I'm making out a ticket system for a repair shop with an option to update the status of the repair with canned responses. you can click a button, it opens a modal with canned response options, you click insert, and it inserts the response into the textarea below the button. everything works as it should on desktop, however, on mobile, the button for canned responses is not clickable, and the textarea can't be clicked either.I'm making out a ticket system for a repair sho