First pass of the viewer redesign (see docs/review/VIEWER_REDESIGN.md), no
structural change:
- TitleLabel: replace the 50px solid #FA7268 section bars with a slim 26px
navy-bold header + coral accent rule, removing the "venetian blind" stack
while keeping the salmon identity.
- Palette: switch the accent (QPalette::Highlight) from teal to navy #1F3A5F.
- Image toolbar: replace the unicode arrow glyphs (|<= <= => =>|) with flat
media icons (first/prev/next/last) + tooltips, and a play icon on Movie.
- Bottom dock: give the per-dataset plot more default height (340 -> 420).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
leonarski_fandClaude Opus 4.8
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