Two layout polish fixes after persona-walk feedback on the new Plant
Kanban surface (`fp_plant_kanban`).
1. Columns now run full board height with visible borders
Was: `.col` had `background: $plant-bg` (= page bg, invisible) and
no border, so only the header card (`.o_fp_col_header`) drew any
outline. Empty columns (BAKING / DE-RACKING / SHIPPING) looked
unbounded — operators couldn't tell where one column ended and
another began.
Now: `.col` is the bordered white card (Trello / Asana style),
stretches full height via grid + flex. `.o_fp_col_header` drops
its standalone border / radius / background and is just a bottom-
divider band inside the column card.
2. Horizontal scrollbar pinned to viewport bottom
Was: `.o_fp_plant_kanban` was `min-height: 100vh` (block flow) +
`.board` had `min-height: 520px; overflow-x: auto`. Scrollbar
showed at the bottom of the .board element (~520px from top of
board), floating mid-page below the empty columns.
Now: parent is `height: 100vh; display: flex; flex-direction:
column`. Header is `flex: 0 0 auto`; `.board` is `flex: 1 1 auto;
min-height: 0` so it fills all remaining vertical and its
scrollbar sits at the viewport bottom.
`.col-scroll` switched from `max-height: calc(100vh - 260px)` to
`flex: 1 1 auto; min-height: 0` so it expands inside the now-full-
height column instead of being capped at a magic number.
Version: fusion_plating_shopfloor 19.0.33.1.13.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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