It´s possible to align text items inside of a flex container to the last line with align-items: last baseline. See Rachel´s article Last baseline alignment on web.dev.
align-items: baseline- When aligning items with
align-items: baseline, the first baseline of the items you are aligning will align with the first baseline of the other items in the group. align-items: last baseline- When aligning items with
align-items: last baseline, the last baseline of the items will align to the last baseline of the baseline sharing group they are part of.