The responsive CSS grid layout (css/layout.css) was already fully
implemented with all required features: app-shell grid container,
responsive breakpoints at 1023px and 639px, touch targets >= 44px,
safe-area-inset-bottom for mobile bottom nav, and no position:absolute
on any layout containers. This commit fixes a minor inconsistency where
integrations.html was missing viewport-fit=cover and apple-mobile-web-app
meta tags present on all other dashboard pages.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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