• Video Player: Redesigned the video player overlay with a full-width seek bar and slide-up animation.
• Video Player: Reduced left/right arrow seeking and the back/forward buttons from 10 to 5 seconds.
• Audio Menu: Animated the audio track and per-segment menus, and flipped them above the button when they would overflow the viewport. Fixes #137.
• Selection: Added support for pressing DEL on the keyboarad to remove all selected items.
• Upload Modal: Improved keyboard navigation in the upload modal.
• Release Notes: Reduced the release notes modal width.