## Description On narrow screens, the profile content feels shifted to the right. The username sits beside the profile image with little room to wrap, and the gallery section has uneven spacing on either side. Adjust the mobile layout so the profile header and galleries fit comfortably within the viewport. ## Done when - [x] The profile image is centered on mobile, with the username directly below it. - [x] Short and long usernames fit the available width, and long usernames wrap without causing horizontal scrolling. - [x] The gallery heading and cards align and have consistent spacing from both screen edges. - [x] The banner edit, profile image edit, and create gallery buttons remain visible and easy to reach on narrow screens. - [x] The desktop layout remains unchanged.