diff --git a/Changelog.md b/Changelog.md
index 6876824..ca871a5 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -30,6 +30,7 @@ This file summarizes the project's git history in short, readable steps.
 
 ## Recent Enhancements
 
+- `ef15c3a`: Removed the dark fallback background from the fullscreen card so the overlay stays transparent in the light theme.
 - `5515c7c`: Moved the fullscreen caption below the photo, centered and softened the title styling, and matched the light-mode frame colors to the lighter theme.
 - `e4374b1`: Enlarged the fullscreen photo overlay, moved the close button to the top right, softened the backdrop, and preserved the map zoom when opening photos.
 - `7193457` / `5d3b91a` / `01c27a9` / `a12d87c` / `28387dc`: Added client-side thumbnails and improved the fullscreen overlay and popup spacing.