perf: self-host fonts, eliminate CLS, a11y and contrast fixes

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- Self-host Inter and JetBrains Mono (woff2, 69KB total)
- Remove Google Fonts dependency entirely (no external requests)
- Service Worker pre-caches font files
- Eliminate font-swap layout shifts
- WCAG contrast fix: disabled button uses solid color instead of opacity
- Footer link always underlined for distinguishability
- Translated aria-labels via data-i18n-aria
- Dimmed QR with "Bezahlt" stamp on paid invoices
- Hide wallet/address buttons when invoice is paid

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This commit is contained in:

Alexander Schmidt

2026-03-25 16:56:10 +01:00

parent 8bcdb33fa3

commit 6a9a5b6a75

5 changed files with 20 additions and 20 deletions

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