/* Phase A device-preview (2026-05-23). Standard sr-only/visually-hidden
   pattern — the hidden <select> stays focusable + announces to screen
   readers but is visually clipped (showPicker() fires on click). */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}