/* QPal centered authentication composition and compact two-step account creation. */
.user-auth-overlay {
  min-height: 100vh;
  min-height: 100dvh;
  justify-content: center !important;
  justify-content: safe center !important;
}

.qpal-auth-value,
.user-auth-overlay > .user-auth-dialog {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

.qpal-auth-value {
  transform: translateY(-4px);
}

.user-auth-dialog.is-signup {
  min-height: 438px;
  display: flex;
  flex-direction: column;
}

.user-auth-dialog.is-signup .user-auth-form {
  flex: 1 1 auto;
}

.user-auth-progress {
  display: grid;
  grid-template-columns: auto minmax(90px, 1fr);
  align-items: center;
  gap: 10px;
  margin: -4px 0 14px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .035em;
}

.user-auth-progress-track {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.user-auth-progress-track i {
  display: block;
  height: 4px;
  border-radius: 999px;
  background: var(--border-subtle);
  transition: background-color .18s ease, box-shadow .18s ease;
}

.user-auth-progress-track i.is-complete {
  background: var(--accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 20%, transparent);
}

.user-auth-field {
  display: grid;
  gap: 6px;
}

.user-auth-field .user-auth-label {
  margin-top: 0;
}

.user-auth-field-error {
  min-height: 14px;
  margin-top: -2px;
  color: var(--danger);
  font-size: 10px;
  font-weight: 650;
  line-height: 1.35;
}

.user-auth-step-actions {
  display: grid;
  grid-template-columns: minmax(92px, .72fr) minmax(0, 1.28fr);
  gap: 9px;
  margin-top: auto;
}

.user-auth-back {
  min-height: 44px;
  padding: 10px 16px;
  color: var(--text-primary);
  background: var(--surface-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  box-shadow: var(--inner-highlight);
  font-family: var(--app-font) !important;
  font-size: calc(12px * var(--quiz-font-scale));
  font-weight: 750;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.user-auth-back:hover:not(:disabled),
.user-auth-back:focus-visible {
  border-color: var(--accent-border);
  background: var(--surface-hover);
  box-shadow: 0 0 0 3px var(--focus-ring), var(--inner-highlight);
  outline: none;
}

.user-auth-back:disabled {
  cursor: wait;
  opacity: .6;
}

@media (max-width: 560px) {
  .user-auth-dialog.is-signup {
    min-height: 420px;
  }

  .user-auth-progress {
    margin-bottom: 11px;
  }
}

@media (max-height: 680px) {
  .user-auth-overlay {
    justify-content: flex-start !important;
  }

  .qpal-auth-value {
    transform: none;
  }

  .user-auth-dialog.is-signup {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .user-auth-progress-track i,
  .user-auth-back {
    transition: none !important;
  }
}