/* FASE240 — respeta la preferencia del usuario de reducir movimiento. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* FASE245 — compatibilidad con modos de contraste forzado del sistema. */
@media (forced-colors: active) {
  :focus-visible {
    outline: 3px solid Highlight !important;
    outline-offset: 3px !important;
  }
  a { text-decoration: underline; }
  button, input, select, textarea, summary,
  .result-item, .book-search-result, .chapter-popover,
  .bib-citation-tooltip, table, th, td {
    border-color: CanvasText !important;
  }
  mark, .versus:target {
    background: Highlight !important;
    color: HighlightText !important;
    forced-color-adjust: none;
  }
  .skip-link:focus {
    background: Canvas !important;
    color: CanvasText !important;
  }
}