Base font size is at least 16px

iOS Safari auto-zooms the entire page whenever a form input with a font-size below 16px receives focus. That zoom disrupts the layout, forces users to manually zoom back out, and abandons the tap position — effectively breaking the form submission flow on iPhone for a significant share of mobile users. WCAG 2.2 SC 1.4.4 (Resize Text) requires text to be resizable without loss of content or functionality; a base font below 16px often means inputs are already too small to use comfortably before any zoom occurs. Smaller base fonts also reduce legibility on high-DPI screens where antialiasing assumptions change below the 16px threshold.

Set a 16px floor in your global stylesheet and on all form controls. In src/app/globals.css (or your equivalent base stylesheet):

html { font-size: 16px; }
input, select, textarea { font-size: 16px; }

In Tailwind, text-base maps to 1rem (16px). Never apply text-xs or text-sm directly to <input> or <select> elements — wrap a label styled small instead.