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The sign-in page becomes a plain centred column with the brand mark and a segmented login/register switch, modals lose their last inner boxes, the red-days list collapses every year but the current one, and the retired components' CSS, an unused list component and 23 unreferenced translation keys are removed. ARCHITECTURE.md documents the Almanacka styling conventions and the per-year balance rule. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XBRLomdLK9jF7wU7a8AA6H