Move the duration (bottom-right) and uploader (bottom-left) onto the
thumbnail as dark-transparent pills instead of text rows below it, for
both .video-card and .favorite-card. Wrap the thumbnail in .video-thumb
to anchor the overlays; uploader stays clickable and truncates with
ellipsis. Favorite cards now show duration too (was stored, never shown).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>