.registration-card {
  width: min(100%, 42rem);
  gap: var(--space-4);
  border-block-start: 0.25rem solid var(--color-primary);
}

.registration-card__intro,
.registration-fields,
.registration-field,
.registration-options,
.registration-actions {
  display: grid;
  min-width: 0;
}

.registration-card__intro,
.registration-fields,
.registration-field,
.registration-options {
  gap: var(--space-2);
}

.registration-card__intro .notice {
  font-size: 0.95rem;
  line-height: 1.5;
}

.registration-form {
  gap: var(--space-4);
  margin-block-start: 0;
}

.registration-field label {
  margin: 0;
}

.registration-group {
  display: grid;
  min-width: 0;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface-alt);
}

.registration-group legend {
  max-width: calc(100% - var(--space-2));
  padding-inline: var(--space-1);
  color: var(--color-text);
  line-height: 1.3;
}

.registration-card .choice {
  display: grid;
  min-width: 0;
  min-height: 3rem;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface-raised);
  cursor: pointer;
  line-height: 1.4;
}

.registration-card .choice:hover {
  border-color: var(--color-primary);
}

.registration-card .choice:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary-soft-text);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.registration-card .choice input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--color-primary);
}

.choice--acknowledgement {
  align-items: start;
}

.registration-actions {
  gap: var(--space-2);
}

.registration-actions .button {
  width: 100%;
  min-height: 3rem;
}

.registration-login {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-self: center;
  padding-inline: var(--space-2);
  font-weight: 700;
}

@media (min-width: 32rem) {
  .registration-options--capabilities {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 24rem) {
  .identity-body .auth-header {
    flex-wrap: nowrap;
  }

  .identity-body .auth-header > .brand {
    flex: 1 1 auto;
  }

  .identity-body .header-controls {
    width: auto;
    justify-content: flex-end;
  }

  .registration-card {
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .registration-form {
    gap: var(--space-3);
  }

  .registration-group {
    padding: var(--space-1);
  }

  .registration-card .choice {
    padding-inline: var(--space-1);
  }
}

@media (forced-colors: active) {
  .registration-card .choice:has(input:checked) {
    border-color: Highlight;
    background: Canvas;
    color: CanvasText;
    box-shadow: inset 0 0 0 1px Highlight;
  }
}