panel: restore natural Export and Danger card layout

Drop the shared-baseline flex pin on .split cards; mismatched body
lengths made Export / Danger look worse than the plain stack.

Co-authored-by: Cursor <cursoragent@cursor.com>

CHANGELOG.md

@@ -13,7 +13,7 @@ Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/); version
   shared `st` badge. Trusted-IP help sits under the IP field; domain rate-limit
   help sits above Save; Address mode / trusted-IP columns share muted leads and
   matched control height; Domain settings uses subgrid so DMARC and rate-limit
-  rows line up; paired `.split` cards pin primary actions to a shared baseline.
+  rows line up.
 
 ## [1.2.4] - 2026-08-12
 

internal/web/view/static/panel.css

@@ -551,22 +551,6 @@ meter { width: 5rem; height: 0.7rem; vertical-align: middle; margin-right: 0.4re
    the cell to shrink below the card's intrinsic minimum when the column is
    tight. */
 .split > .card { margin-left: 0; margin-right: 0; min-width: 0; }
-/* Paired cards often differ in body length (export's encrypt checkbox vs
-   danger's short blurb). Stretch both in the grid row and pin the primary
-   action to the bottom so the buttons share a baseline. */
-.split > .card {
-  display: flex; flex-direction: column;
-}
-.split > .card > form {
-  display: flex; flex-direction: column; flex: 1 1 auto;
-}
-.split > .card > form > button[type="submit"]:last-child {
-  margin-top: auto;
-}
-.split > .card > a.danger:last-child,
-.split > .card > a.btn:last-child {
-  margin-top: auto; align-self: flex-start;
-}
 /* The gap already spaces the cards inside the grid; the general .card + .card
    rule would add a second gap's worth on top of it, and only to the second
    card, which in one column reads as an uneven stack. The blocks around the