/brand-mint/ never matched (component uses border-accent bg-accent-bg);
companion test also updated to assert the meaningful negative.
getByText('5') fixed to exact:true to avoid strict-mode ambiguity.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Card container with two variants: per-file (mint tint) and shared (neutral
with file-count badge). Used to visually separate per-file vs shared
metadata sections in the bulk upload layout.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>