.registration-submit-dialog {
  box-sizing: border-box;
  width: min(400px, calc(100% - 40px));
  max-height: calc(100dvh - 40px);
  margin: auto;
  padding: 32px 28px;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  background: #fff;
  color: #17212b;
  text-align: center;
  box-shadow: 0 24px 80px #0003;
  font-family: inherit;
}
.registration-submit-dialog::backdrop { background: rgb(15 23 42 / 48%); }
.registration-submit-dialog h2 { margin: 20px 0 10px; font-size: 22px; line-height: 1.4; font-weight: 700; color: #17212b; }
.registration-submit-dialog p { margin: 0; color: #52606d; font-size: 16px; line-height: 1.75; }
.registration-submit-spinner { display: inline-block; width: 40px; height: 40px; border: 4px solid #f5dfe3; border-top-color: #cf2030; border-radius: 50%; animation: registration-submit-spin .9s linear infinite; }
@keyframes registration-submit-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .registration-submit-spinner { animation: none; } }