The previewed row and the keyboard cursor both drew a 2px inset ring, which
read as a border on hover rather than as a colour. Rows now carry the preview
hue as a fill: a light wash under the pointer or the cursor, deepening to an
opaque `--preview-tint` once the preview lands.
That leaves `.is-active`'s ring as the only one in the session list, where it
now means exactly one thing — open in a pane. The pane's titlebar drops its
hairline for the same reason; the dashed edges that remain belong to the
canvas and the throwaway tab.
Miguel Palhas
cd37ac5d6d