Strict Content-Security-Policy (the site has no inline script or style),
nosniff, referrer and permissions policies, no Server header, no-cache for
HTML and five-minute caching for unfingerprinted assets.
Split the 100-line script into catalog, cart, format, dom and main modules.
Money is integer cents, the bag is capped and sanitised and syncs across
tabs, and the view (category, sort) lives in the URL. Templates escape every
interpolation.
Rewrite the minified stylesheet as cascade layers on design tokens. Fixes
heading tracking that collapsed word gaps, a 2.6:1 focus ring on the hero,
1.3:1 control borders, misaligned cart quantities, uneven product cards and
undersized touch targets. Adds a favicon and a resolvable dialog label.
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