.bbg-phone-invalid { border-color: #dc2626 !important; box-shadow: 0 0 0 3px rgba(220,38,38,.15) !important; }
.bbg-phone-error   { font-size: .78rem; color: #dc2626; margin-top: 4px; display: none; }
.bbg-phone-hint    { font-size: .78rem; color: #6b7280; margin-top: 4px; display: block; }