.portal-auth-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 0, var(--customer-page-decoration), transparent 30%),
    var(--customer-color-background);
  color: var(--customer-color-text);
  font-family: var(--font-body);
}

.portal-auth-page .site-header {
  border-color: var(--customer-border-default);
  background: var(--customer-color-surface);
  backdrop-filter: blur(16px);
}

.portal-auth-shell {
  min-height: calc(100vh - 65px);
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.portal-auth-panel {
  width: min(100%, 460px);
  display: grid;
  gap: 22px;
}

.portal-auth-brand {
  display: grid;
  gap: 4px;
}

.portal-auth-brand strong {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--customer-color-primary);
}

.portal-auth-brand h1 {
  margin: 0;
  font-size: 1.9rem;
  line-height: 1.15;
  color: var(--customer-color-text);
  letter-spacing: 0;
}

.portal-auth-card {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--customer-border-default);
  border-radius: var(--customer-radius-surface);
  background: var(--customer-color-surface);
  color: var(--customer-color-text);
  box-shadow: var(--customer-shadow-surface);
}

.portal-auth-form {
  display: grid;
  gap: 14px;
}

.portal-auth-field {
  display: grid;
  gap: 6px;
  color: var(--customer-color-muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.portal-auth-field input,
.portal-auth-field select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--customer-border-default);
  border-radius: var(--customer-radius-control);
  background: var(--customer-color-surface);
  color: var(--customer-color-text);
  font-size: 0.96rem;
}

.portal-auth-field input:focus,
.portal-auth-field select:focus {
  outline: 3px solid var(--customer-focus-ring);
  border-color: var(--customer-border-focus);
}

.portal-auth-client-selection {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--customer-border-default);
  border-radius: var(--customer-radius-surface);
  background: var(--customer-color-surface);
  color: var(--customer-color-text);
  box-shadow: var(--customer-shadow-surface);
}

.portal-auth-client-selection[hidden] {
  display: none;
}

.portal-auth-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.portal-auth-button {
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--customer-color-primary);
  border-radius: var(--customer-radius-control);
  background: var(--customer-color-primary);
  color: var(--customer-color-on-primary);
  font-weight: 750;
  cursor: pointer;
}

.portal-auth-button.secondary {
  border-color: var(--customer-border-default);
  background: var(--customer-color-surface);
  color: var(--customer-color-text);
}

.portal-auth-button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.portal-auth-link {
  color: var(--customer-color-primary);
  font-weight: 650;
  text-decoration: none;
}

.portal-auth-link:hover {
  text-decoration: underline;
}

.portal-auth-status {
  display: none;
  padding: 10px 12px;
  border: 1px solid var(--customer-border-default);
  border-radius: var(--customer-radius-control);
  background: var(--customer-surface-info);
  color: var(--customer-color-info);
  font-size: 0.9rem;
}

.portal-auth-status.is-visible {
  display: block;
}

.portal-auth-status.error {
  border-color: var(--customer-border-danger);
  background: var(--customer-surface-danger);
  color: var(--customer-color-danger);
}

.portal-auth-status.success {
  border-color: var(--customer-border-success);
  background: var(--customer-surface-success);
  color: var(--customer-color-success);
}

.portal-auth-hint {
  margin: 0;
  color: var(--customer-color-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.portal-auth-footer {
  color: var(--customer-color-muted);
  font-size: 0.82rem;
}

@media (max-width: 520px) {
  .portal-auth-shell {
    align-items: start;
    padding-top: 24px;
  }

  .portal-auth-card {
    padding: 20px;
  }

  .portal-auth-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .portal-auth-button {
    width: 100%;
  }
}