claude's real OAuth URL is one long unbroken query-string token, no
whitespace for the browser to break on. Without overflow-wrap the
<a> just kept going past the login card's right edge instead of
wrapping at the card's bounded width (mara reported this with a
screenshot). overflow-wrap: anywhere lets it break mid-token as a
last resort, scoped to just the URL line (.login-url) rather than
the whole card.
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