Two of the board's colours were still hardcoded: carousel headings were gold
and grid headings blue, left over from when carousel meant Recognition and grid
meant Recertification. A type wearing another type's colour is worse than no
colour at all, and it was the whole of the "why did my category turn blue"
puzzle - it had turned from one style's hardcoded colour to another's.
Headings now take a colour from the types beneath them. Where a row holds
several types, the one with the most cards wins, ties going to whichever sorts
first on the board. Live cards decide it; the upcoming set only gets a say when
nothing on the row has started yet, so a heading always describes what is
happening now. That covers the standard rows too - the old getSectionClass
painted the list red off a legacy 'danger' keyword.
Upcoming cards say so plainly: STARTS TOMORROW 2:06 PM, or the weekday and date
beyond that, on an amber chip, with a dashed border and a hollow carousel pip.
Shape as well as colour, so it reads from across the floor and does not depend
on telling amber from white.
Cards and tiles also carry the type's colour as a bar down the left edge, the
way the legacy board marked them; a 2px border reads as chrome at distance.
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