.signup-referral-field { min-width: 0; margin-bottom: 20px; }
#signedOutPanel .signup-referral-field input { min-width: 0; width: 100%; font-size: 16px; }
#signedOutPanel .signup-referral-field label > span { font-size: 14px; }
.signup-referral-field input[aria-invalid="true"] { border-color: #b33c3c; }
.signup-referral-field p { color: var(--ink-3); font-size: 14px; line-height: 1.5; margin: 0; }
@media (max-width: 980px) {
  .section-signin .signin-grid { grid-template-columns: minmax(0, 1fr); }
  .signin-grid > *, .signin-grid .login-form, .signin-grid input { min-width: 0; }
  .signin-grid .login-form { grid-template-columns: minmax(0, 1fr); }
  .signin-grid .btn { white-space: normal; }
}