`text-[#007bff] hover:underline` (light blue, 12-14px) was falling
below WCAG 1.4.3 AA contrast against the auth shell's white card.
Bumped to `text-[#0058b3]` (darker variant of the same hue) and
added `underline underline-offset-2 hover:no-underline` so the link
is always visibly underlined as a backup affordance.
Affects: /login, /reset-password, /set-password, /portal/login,
/portal/forgot-password, portal password-set-form. Button bg colors
(white-text on the same blue) are unchanged — those pass AA at
button sizes.
tsc clean. 1419/1419 vitest pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Matt
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