Reuse the shared .tabs-wrapper/.tab-button/.tab-panel components (same as an
app's Config/Tasks tabs) for the location editor instead of bespoke tab CSS:
emoji + label buttons, equal-width strip, accent active state. Panels toggle
via the .active class like the rest of the UI; only the panel padding is
trimmed so it nests inside the backup row.
Also drop the now-dead 'No advanced options' empty state — every type has at
least Engine + append-only in the Advanced tab.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
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