.registration-birth-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 0.8fr) minmax(0, 1.25fr);
  gap: 10px;
  width: 100%;
}

.registration-birth-part {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.registration-birth-part > span {
  color: var(--muted, #9ca9bc);
  font-size: 0.78rem;
  font-weight: 700;
}

.client-field .registration-birth-part input {
  width: 100%;
  min-width: 0;
}

.registration-birth-part input[type="number"]::-webkit-inner-spin-button,
.registration-birth-part input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.registration-birth-part input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.registration-birth-hint {
  display: block;
  color: var(--muted, #9ca9bc);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.4;
}

@media (max-width: 480px) {
  .registration-birth-grid {
    gap: 8px;
  }

  .registration-birth-part > span,
  .registration-birth-hint {
    font-size: 0.74rem;
  }
}