- index.html: add viewport-fit=cover, user-scalable=no, maximum-scale=1,
apple-mobile-web-app-capable, format-detection meta tags
- close2.html: add missing viewport meta tag and mobile web app tags
- _base.scss: add touch-action:manipulation and -webkit-tap-highlight-color
on body for 300ms tap delay fix and Android tap flash removal
- _videolayout_default.scss: fix invalid overflow:'hidden' (quoted string),
add vh fallback before dvh for iOS 14 compat
- _toolbars.scss: move :active states outside hover media query so touch
devices get visual feedback on hangup button
- _whiteboard.scss: add dvh/dvw fallback for iOS Safari address bar
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Jeff Emmett