On mobile (<=991px) the Points/Coach-review pane no longer stacks below the
comments. Tapping "Highlights" now slides it up as a bottom sheet over the
lower ~62vh, and scrolls the player back to the top so the user can watch and
read at once. Includes a drag handle, a light tap-to-dismiss scrim, and
internal scrolling. Desktop keeps its side pane exactly as before — all new
CSS is inside the max-width:991px media query.
- Sheet only restores its open state on desktop; on mobile it stays closed on
load so it never pops open unexpectedly.
- Scrim sits above the fixed bottom nav (z-index 1400 > 1000).
- Honors prefers-reduced-motion.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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