/* Slice 17b – scoped AI auth layout; no global html/body resets outside auth root. */
html.ai-auth-page-root,
html.ai-auth-page-root .ai-auth-layout-body {
  box-sizing: border-box;
}

html.ai-auth-page-root .ai-auth-layout-body {
  margin: 0;
  min-height: 100vh;
  background: var(--ai-shell-color-surface-muted, #f4f6f8);
  font-family: var(--ai-shell-font-family, system-ui, -apple-system, Segoe UI, Roboto, sans-serif);
}

html.ai-auth-page-root .ai-auth-layout-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

html.ai-auth-page-root .ai-auth-preview-banner {
  width: 100%;
  max-width: 420px;
  margin-bottom: 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--ai-shell-radius-sm, 0.375rem);
  background: var(--ai-shell-color-warning-surface, #fff8e1);
  border: 1px solid var(--ai-shell-color-warning-border, #ffe082);
  font-size: var(--ai-shell-font-size-sm, 0.875rem);
}

html.ai-auth-page-root .ai-auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--ai-shell-color-surface, #fff);
  border-radius: var(--ai-shell-radius-md, 0.5rem);
  box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.08);
  padding: 1.75rem;
}

html.ai-auth-page-root .ai-auth-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

html.ai-auth-page-root .ai-auth-card .ai-auth-subtitle {
  margin: 0 0 1.25rem;
  color: #666;
  font-size: 0.9rem;
}

html.ai-auth-page-root .ai-auth-field {
  margin-bottom: 1rem;
}

html.ai-auth-page-root .ai-auth-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
}

html.ai-auth-page-root .ai-auth-field input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--ai-shell-color-border, #ced4da);
  border-radius: var(--ai-shell-radius-sm, 0.375rem);
  font-size: var(--ai-shell-font-size-md, 1rem);
}

html.ai-auth-page-root .ai-auth-actions {
  margin-top: 1.25rem;
}

html.ai-auth-page-root .ai-auth-actions button {
  width: 100%;
  padding: 0.65rem;
  border: 0;
  border-radius: var(--ai-shell-radius-sm, 0.375rem);
  background: var(--ai-shell-color-primary, #0d6efd);
  color: var(--ai-shell-color-text-inverse, #fff);
  font-size: var(--ai-shell-font-size-md, 1rem);
  cursor: pointer;
}

html.ai-auth-page-root .ai-auth-actions button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

html.ai-auth-page-root .ai-auth-footer-links {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.875rem;
}

html.ai-auth-page-root .ai-auth-error {
  margin-bottom: 1rem;
  padding: 0.65rem;
  border-radius: var(--ai-shell-radius-sm, 0.375rem);
  background: var(--ai-shell-color-danger-surface, #fdecea);
  color: var(--ai-shell-color-danger-text, #b42318);
  font-size: var(--ai-shell-font-size-sm, 0.875rem);
  display: none;
}

html.ai-auth-page-root .ai-account-security-invalidation-warning {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--ai-shell-radius-sm, 0.375rem);
  background: var(--ai-shell-color-warning-surface, #fff8e1);
  border: 1px solid var(--ai-shell-color-warning-border, #ffe082);
  font-size: var(--ai-shell-font-size-sm, 0.875rem);
}

html.ai-auth-page-root .ai-account-security-password-policy {
  margin: 0 0 1rem 1.1rem;
  padding: 0;
  font-size: var(--ai-shell-font-size-sm, 0.875rem);
  color: #444;
}