@media print {
  @page {
    size: A4;
    margin: 1cm;
  }

  body {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color: black !important;
    background: white !important;
  }

  .print-container {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Asegurar que todos los textos sean negros */
  *,
  *::before,
  *::after {
    color: black !important;
    border-color: black !important;
    text-decoration-color: black !important;
  }

  /* Ajustes específicos para textos */
  p,
  span,
  li,
  strong,
  b,
  i {
    color: black !important;
  }

  /* Ajustes para enlaces */
  a {
    color: black !important;
    text-decoration: none !important;
  }

  /* Ajustes para encabezados */
  h1,
  h2 {
    color: black !important;
  }

  /* Líneas divisorias */
  header {
    border-bottom: 1px solid black !important;
    background: none !important;
    margin-bottom: 1em !important;
  }

  main > section + section {
    border-left: 1px solid black !important;
    border-top: none !important;
    border-right: none !important;
    border-bottom: none !important;
  }

  /* Asegurar contraste */
  * {
    text-shadow: none !important;
    box-shadow: none !important;
    background: white !important;
  }
}