jheapsandClaude Opus 5 e9ec4afafe Ask a card the two questions it is, not one out of fifty-two
The picker put the whole deck on the screen at once — four suits across,
thirteen ranks down — and that grid is 646px tall. Measured with the
board tracked and seven cards already out:

  640x360   816px of content in a 317px sheet, 40 of the 52 below the fold
  667x375   816 in 330, 40 below
  844x390   774 in 343, 36 below
  375x667   816 in 587, 20 below
  1280x900  774 in 775, none

So on every phone the tool is actually used on, entering the flop began
with a scroll, and a dealer looking for the nine of diamonds was reading
down a column to find it. No arrangement fixes that: fifty-two targets at
the 44px this sweep holds everything else to need 572px of width before
gaps if they are thirteen across, which is wider than any phone in
portrait, and thirteen rows deep if they are four.

A card is not one choice out of fifty-two. It is two — a suit and a rank
— and that is how a dealer says it out loud. So the sheet asks them in
that order: four suits on a row, then the thirteen ranks of the one
chosen. Measured afterwards at eight viewports from 360x640 to 1280x900:
nothing below the fold, nothing scrolling, every button still at least
44x44 and still hit-testing as itself. Portrait content went 816 -> 372,
landscape 816 -> 322.

The second tap is not a second cost in the usual case. The suit stays
where it was put, so a second card of the same suit is one tap — and one
tap is what picking a card used to cost *plus* a scroll through thirteen
rows. Opening on a slot that already holds a card shows that card's suit
with it under the cursor, which is the case where the dealer came to
change something rather than add it.

Three things that had to move with it:

  - the cursor is a rank now, 0-12, and changing suit deliberately leaves
    it alone: the same rank in another suit is the card beside the one
    you were on.
  - the arrows read the column count off the layout instead of assuming
    SUITS.length. The rank row is auto-fill — five across on a 360px
    phone, seven at 460 — and the last time this number disagreed with
    the grid it slid the cursor into a column nobody asked for.
  - the suits are a radiogroup, not a tablist: the grid below is not
    another panel of content, it is the same thirteen controls filtered,
    and the unchosen red suits stay red, because reading four shapes to
    find the hearts is the search this sheet exists to remove.

deck() still returns all fifty-two and the duplicate check still reads
all of it, so splitting the grid by suit cannot let a card be dealt
twice.

1276 tests pass; the layout sweep reports clean.

Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_015bnp7xKUPFFSpwkYNFaPgb
2026-09-14 01:03:45 -06:00
2026-03-06 17:05:48 -07:00
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2025-10-17 12:29:49 -06:00
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