[QA] Mobile viewport — 14 interactive elements have tap targets below 44px (WCAG 2.5.5)

[jarvisstark011010-cpu]

Steps to Reproduce

1. Open https://smshub.dev/ with DevTools at iPhone SE viewport (375x812)
2. In console run:

Array.from(document.querySelectorAll('a, button'))
  .filter(el => { const r = el.getBoundingClientRect(); return r.width > 0 && r.height > 0 && (r.width < 44 || r.height < 44); })
  .length

Expected

All interactive elements have minimum 44x44px tap targets (WCAG 2.1 SC 2.5.5)

Actual

14 elements found below the 44px minimum.

Severity

Medium

Impact

• Difficult to tap on mobile for users with normal/large fingers
• WCAG AA accessibility violation