Follow up to https://github.com/zed-industries/zed/pull/27489 Added this subtle gradient to the right side of the tool card header so users know there is more content, suggesting it can be scrolled. Also took the opportunity to extract out commonly used custom colors in all of these cards into their own functions to ensure consistency. Here's the final product: https://github.com/user-attachments/assets/e44150f9-7751-46c7-8790-149b86cc5e0f Release Notes: - N/A