.mfa-code-input {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.mfa-code-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 360px);
}

.mfa-code-digit {
  min-width: 0;
  height: 56px;
  padding: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.mfa-code-digit.is-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-error) 14%, transparent);
}

.auth-form--mfa {
  position: relative;
}

.auth-back-button {
  position: absolute;
  top: -4px;
  left: -6px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.auth-back-button:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.auth-back-button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.auth-view-head--mfa {
  padding: 0 42px;
  text-align: center;
}

.auth-view-head--mfa .auth-view-title:last-child {
  margin-bottom: 0;
}

.mfa-login-code-field .form-label {
  display: block;
  text-align: center;
}

.mfa-login-code-field .mfa-code-grid {
  width: min(100%, 408px);
  gap: 12px;
  margin: 0 auto;
}

.mfa-login-code-field .mfa-code-digit {
  height: 64px;
  font-size: 1.625rem;
}

.mfa-login-alternate {
  margin: var(--space-3) 0 0;
  text-align: center;
  font-size: 0.8125rem;
}

.mfa-login-alternate .link {
  color: var(--color-text-tertiary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mfa-login-alternate .link:hover {
  color: var(--color-text-secondary);
}

.mfa-summary {
  margin: 0 0 var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.mfa-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.modal__content--mfa {
  max-width: 680px;
}

.modal__content--mfa .modal__close {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  font-size: 1.5rem;
  line-height: 1;
}

.mfa-actions--overview {
  flex-wrap: nowrap;
  gap: var(--space-5);
}

.mfa-qr {
  display: block;
  width: min(240px, 100%);
  aspect-ratio: 1;
  margin: var(--space-4) auto;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
}

.mfa-manual-key,
.mfa-recovery-codes {
  display: block;
  width: 100%;
  padding: var(--space-3);
  overflow-wrap: anywhere;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  user-select: all;
}

.mfa-recovery-codes {
  max-height: 18rem;
  overflow: auto;
  white-space: pre-wrap;
}

@media (max-width: 640px) {
  .mfa-code-grid {
    gap: 6px;
  }

  .mfa-code-digit {
    height: 48px;
    font-size: 1.125rem;
  }

  .auth-view-head--mfa {
    padding: 0 34px;
  }

  .mfa-login-code-field .mfa-code-grid {
    gap: 7px;
  }

  .mfa-login-code-field .mfa-code-digit {
    height: 54px;
    font-size: 1.25rem;
  }

  .mfa-actions--overview {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .mfa-actions--overview .btn {
    width: 100%;
  }
}