@layer piezas {
  .papel-nota {
    min-width: 0;
  }

  .papel-nota a:not([class]) {
    text-decoration-color: var(--ambar-hondo);
    text-decoration-thickness: 3px;
    text-underline-offset: 3px;
    font-weight: 600;
  }

  .papel-nota a:not([class]):hover {
    background: var(--ambar);
    text-decoration-color: var(--carbon);
  }

  .cobre-antetitulo {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.8rem;
    margin: 0 0 1rem;
    font: 700 0.76rem/1 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.12em;
  }

  .cobre-antetitulo span {
    background: var(--carbon);
    color: var(--ambar);
    padding: 0.42rem 0.6rem;
  }

  .cobre-antetitulo em {
    font-style: normal;
    color: var(--alerta);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }

  .cobre-antetitulo em::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--alerta);
  }

  .papel-bajada {
    font-size: 1.2rem;
    line-height: 1.55;
    font-style: italic;
    color: #2a2822;
    border-left: 5px solid var(--ambar);
    padding-left: 1rem;
    margin-bottom: 1.2rem;
  }

  .tiza-credito {
    font: 500 0.84rem/1.5 var(--letra-titular);
    color: var(--sepia);
    border-top: 1px solid var(--veta);
    border-bottom: 1px solid var(--veta);
    padding: 0.65rem 0;
    margin-bottom: 1.8rem;
  }

  .tiza-credito b {
    color: var(--tinta);
    font-weight: 700;
  }

  .madera-card {
    position: relative;
    padding: 0.2rem 0 1.6rem 1.7rem;
    border-left: 3px solid var(--carbon);
  }

  .madera-card::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 0.25rem;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--ambar);
    border: 3px solid var(--carbon);
  }

  .madera-card:last-of-type {
    padding-bottom: 0.6rem;
  }

  .cobre-hora {
    font: 700 0.74rem/1.3 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.11em;
    color: var(--sepia);
    margin-bottom: 0.45rem;
  }

  .marmol-cita {
    margin: 1.5rem 0;
    padding: 1.1rem 1.3rem;
    background: var(--carbon);
    color: #fff;
    font: 700 1.18rem/1.4 var(--letra-titular);
    border-left: 8px solid var(--ambar);
  }

  .marmol-cita p {
    margin: 0;
  }

  .acero-tabla {
    overflow-x: auto;
    margin: 1.2rem 0 1.4rem;
    border: 2px solid var(--carbon);
    background: var(--papel-claro);
  }

  .acero-tabla table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 460px;
  }

  .acero-tabla th,
  .acero-tabla td {
    text-align: left;
    padding: 0.62rem 0.8rem;
    border-bottom: 1px solid var(--veta);
    vertical-align: top;
  }

  .acero-tabla th {
    font: 700 0.76rem/1.2 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--ambar);
  }

  .acero-tabla tr:last-child td {
    border-bottom: 0;
  }

  .laton-boton {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--ambar);
    color: var(--carbon);
    font: 800 0.9rem/1 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-decoration: none;
    padding: 0.85rem 1.25rem;
    border: 2px solid var(--ambar);
    border-radius: 4px;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .laton-boton::after {
    content: "\2197";
    font-size: 1.05em;
  }

  .laton-boton:hover {
    background: transparent;
    color: var(--ambar);
  }

  .laton-cabecera {
    padding: 0.68rem 1rem;
    font-size: 0.8rem;
  }

  .hierro-aviso {
    margin: 1.8rem 0;
    background: var(--carbon);
    color: #f1f1f1;
    padding: 1.3rem 1.4rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 6px solid var(--ambar);
  }

  .hierro-aviso p {
    margin: 0;
    flex: 1 1 260px;
    font-size: 0.98rem;
  }

  .hierro-aviso .laton-boton:hover {
    background: var(--carbon);
  }

  .marfil-preguntas {
    margin-top: 2.2rem;
    border-top: 6px double var(--carbon);
    padding-top: 1.2rem;
  }

  .marfil-preguntas details {
    border-bottom: 1px solid var(--veta);
    padding: 0.2rem 0;
  }

  .marfil-preguntas summary {
    cursor: pointer;
    list-style: none;
    padding: 0.75rem 2rem 0.75rem 0;
    position: relative;
  }

  .marfil-preguntas summary::-webkit-details-marker {
    display: none;
  }

  .marfil-preguntas summary::after {
    content: "+";
    position: absolute;
    right: 0.3rem;
    top: 0.55rem;
    font: 800 1.3rem/1 var(--letra-titular);
  }

  .marfil-preguntas details[open] summary::after {
    content: "\2212";
  }

  .marfil-preguntas summary h3 {
    display: inline;
    margin: 0;
    font-size: 1.04rem;
  }

  .marfil-preguntas details p {
    margin: 0 0 0.9rem;
    color: #2c2a25;
  }

  .pizarra-metodo {
    margin-top: 2.2rem;
    padding: 1.3rem 1.4rem 0.4rem;
    background: var(--papel-claro);
    border: 2px dashed var(--sepia);
  }

  .pizarra-metodo h2 {
    font-size: 1.15rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .laton-cierre {
    margin-top: 2.4rem;
    padding: 1.6rem 1.4rem;
    background: var(--ambar);
    display: grid;
    gap: 0.9rem;
    justify-items: start;
  }

  .laton-cierre p {
    margin: 0;
    font: 700 1.12rem/1.35 var(--letra-titular);
  }

  .laton-cierre .laton-boton {
    background: var(--carbon);
    color: var(--ambar);
    border-color: var(--carbon);
  }

  .laton-cierre .laton-boton:hover {
    background: transparent;
    color: var(--carbon);
  }

  .lino-columna {
    display: grid;
    gap: 1.6rem;
    position: sticky;
    top: 1rem;
  }

  .lino-recuadro {
    background: var(--papel-claro);
    border: 2px solid var(--carbon);
    box-shadow: 6px 6px 0 var(--ambar);
    padding: 1.1rem 1.15rem 0.4rem;
  }

  .lino-recuadro > p:first-child,
  .lino-cronica > p:first-child {
    font: 800 0.8rem/1 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 0.9rem;
    padding-bottom: 0.6rem;
    border-bottom: 3px solid var(--carbon);
  }

  .lino-recuadro dl {
    margin: 0 0 0.6rem;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .lino-recuadro dt {
    font: 700 0.7rem/1.2 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--sepia);
    margin-top: 0.7rem;
  }

  .lino-recuadro dd {
    margin: 0.15rem 0 0;
  }

  .lino-cronica ol {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .lino-cronica li {
    padding: 0 0 0.85rem 0.9rem;
    border-left: 2px solid var(--veta);
    margin: 0;
  }

  .lino-cronica time {
    display: block;
    font: 800 0.74rem/1.3 var(--letra-titular);
    letter-spacing: 0.08em;
    color: var(--carbon);
    background: var(--ambar);
    width: max-content;
    padding: 0.1rem 0.35rem;
    margin-bottom: 0.25rem;
  }

  .yeso-error {
    max-width: 760px;
    margin: 0 auto;
    padding: 3rem 1.25rem 4rem;
  }

  .yeso-cifra {
    font: 800 clamp(5rem, 22vw, 10rem)/0.9 var(--letra-titular);
    color: var(--carbon);
    -webkit-text-stroke: 0;
    text-shadow: 8px 8px 0 var(--ambar);
    margin: 0 0 1.2rem;
  }

  .yeso-error ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 0.6rem;
  }

  .yeso-error li {
    margin: 0;
  }

  .yeso-error li a {
    display: block;
    padding: 0.9rem 1rem;
    background: var(--carbon);
    color: #fff;
    text-decoration: none;
    font: 700 0.9rem/1.3 var(--letra-titular);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-left: 6px solid var(--ambar);
  }

  .yeso-error li a:hover {
    background: var(--hollin);
  }

  @media (max-width: 960px) {
    .lino-columna {
      position: static;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
  }

  @media (max-width: 760px) {
    .madera-card {
      padding-left: 1.2rem;
    }

    .papel-bajada {
      font-size: 1.08rem;
    }

    .hierro-aviso .laton-boton,
    .laton-cierre .laton-boton {
      width: 100%;
      justify-content: center;
    }
  }
}