/* QC 2 Nov 2026: phone tap targets at least 40px tall. */
@media (max-width:700px){
  .f,button.sm,a.cbtn,a.wabtn{min-height:40px;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box}
  body.rt-tool button,body.rt-tool .btn,body.rt-tool select{min-height:40px;box-sizing:border-box}
}