/* =============================================
   pdf-viewer.css — Visor PDF compartido
   Usado por: conferencias, programa, talleres
   Depende de: ../styles.css (base compartida)
   ============================================= */

.pagina-programa {
  min-height: 100vh;
  overflow-x: hidden;
}

.programa-principal {
  min-height: calc(100vh - 76px);
  background: #111418;
  padding: 0;
}

.programa-nativo {
  width: 100%;
  padding: 10px 0 18px;
}

.estado-pdf {
  display: none;
  width: min(1400px, calc(100vw - 80px));
  margin: 0 auto 10px;
  padding: 8px 10px;
  border: 1px solid #2d3138;
  background: #161a20;
  color: #d9dee7;
  font-size: 13px;
  line-height: 1.3;
}

.paginas-pdf {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.24s ease;
}

.paginas-pdf.is-ready {
  opacity: 1;
}

.cargando-pdf-placeholder {
  width: min(1400px, calc(100vw - 80px));
  min-height: min(72vh, 940px);
  border: 1px solid #2b3139;
  background: linear-gradient(180deg, #161a20 0%, #12161b 100%);
  display: grid;
  place-items: center;
}

.cargando-pdf-placeholder span {
  color: #a8b1be;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.35px;
}

.marcador-pagina-pdf {
  width: min(1400px, calc(100vw - 80px));
  margin-inline: auto;
}

.marco-pagina-pdf {
  width: 100%;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #1a1f26 0%, #151a20 100%);
  border: 1px solid #303744;
}

.etiqueta-pagina-pdf {
  color: #9aa6b8;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.lienzo-pagina-pdf {
  width: 100%;
  height: auto;
  display: block;
  margin-inline: auto;
  background: #ffffff;
  grid-area: 1 / 1;
  z-index: 1;
}

.textLayer {
  grid-area: 1 / 1;
  z-index: 2;
  width: 100%; /* Fallback */
  height: 100%; /* Fallback */
  overflow: hidden;
}

.error-pdf {
  margin: 30px 0;
  color: #ffffff;
  font-size: 16px;
}

.respaldo-pdf {
  width: min(1400px, calc(100vw - 80px));
  margin: 10px auto 18px;
  padding: 14px;
  border: 1px solid #3b4049;
  background: #151a20;
  color: #ffffff;
}

.respaldo-pdf p {
  margin: 0 0 10px;
}

.respaldo-pdf a {
  color: #97c9ff;
  text-decoration: none;
  font-weight: 600;
}

.respaldo-pdf a:hover {
  text-decoration: underline;
}

/* ── Media queries ─────────────────────────── */
@media (max-width: 1200px) {
  .programa-principal {
    padding: 0;
  }

  .programa-nativo {
    padding-top: 8px;
  }

  .lienzo-pagina-pdf {
    width: min(1300px, calc(100vw - 40px));
  }

  .lienzo-pagina-pdf {
    width: min(1300px, calc(100vw - 40px));
  }

  .estado-pdf,
  .marcador-pagina-pdf,
  .respaldo-pdf,
  .cargando-pdf-placeholder {
    width: min(1300px, calc(100vw - 40px));
  }
}

@media (max-width: 900px) {
  .programa-principal {
    padding: 0;
  }

  .programa-nativo {
    padding-top: 6px;
  }

  .paginas-pdf {
    gap: 8px;
  }

  .lienzo-pagina-pdf {
    width: calc(100vw - 8px);
  }

  .estado-pdf,
  .marcador-pagina-pdf,
  .respaldo-pdf {
    width: calc(100vw - 8px);
  }
}