- The seek-bar hover tooltip positioned itself with a px `left` derived
from the scaled getBoundingClientRect, so inside the transform:scale
player it got re-scaled and drifted right of the cursor (only 0 was
right). Position it by fraction (% of the bar) instead — it now sits
under the cursor at any point, like the volume tooltip already did.
- The tuning (gear) menu tabs wrapped to two lines at the +25% scale.
Widen the menu, keep tab labels on one line (whitespace-nowrap), and
shorten the labels: "Sync offset" → "Offsets", "Subtitle style" →
"Subtitles" (all three languages).
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