/* Libro digital del expediente (Fase 10) — vista de página por documento,
   con swipe/flechas/teclado. Usa las mismas variables de css/styles.css. */

.tarjeta-pie {
  padding: 0 16px 14px;
}

.btn-ver-expediente {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--paper-card);
  border: 1px solid var(--gold-500);
  color: var(--navy-900);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 44px;
  cursor: pointer;
}

.btn-ver-expediente:hover {
  background: var(--gold-100);
}

.btn-ver-expediente:focus-visible {
  outline: 2px solid var(--navy-700);
  outline-offset: 1px;
}

/* --- Overlay (<dialog>) --- */

.libro-overlay {
  border: none;
  padding: 0;
  margin: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  background: var(--navy-950);
  color: #fff;
}

.libro-overlay[open] {
  display: flex;
  flex-direction: column;
}

.libro-overlay::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.libro-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--navy-700);
  flex-shrink: 0;
}

.libro-btn-cerrar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 6px;
  min-height: 44px;
  cursor: pointer;
}

.libro-btn-cerrar:hover {
  color: var(--gold-400);
}

.libro-topbar-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.libro-expediente-numero {
  font-family: "Lora", serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-400);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 46vw;
}

.libro-pagina-indicador {
  font-size: 0.72rem;
  color: #cdd6e3;
}

.libro-escenario {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 16px 8px;
  overflow: hidden;
}

.libro-flecha {
  flex-shrink: 0;
  align-self: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--navy-700);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.libro-flecha:disabled {
  opacity: 0.25;
  cursor: default;
}

.libro-flecha:not(:disabled):hover {
  border-color: var(--gold-500);
  color: var(--gold-400);
}

.libro-pagina {
  flex: 1;
  min-width: 0;
  max-width: 680px;
  overflow-y: auto;
  outline: none;
}

.libro-pagina:focus-visible {
  outline: none;
}

.libro-hoja {
  background: var(--paper-card);
  color: var(--ink);
  border-radius: 6px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  padding: 24px 20px 20px;
  min-height: 100%;
}

.libro-hoja-membrete {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--gold-500);
}

.libro-membrete-tribunal {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.libro-membrete-sala {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.libro-hoja-titulo-fila {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.libro-hoja-titulo {
  font-family: "Lora", serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  color: var(--navy-900);
}

.libro-hoja-meta {
  margin: 6px 0 0;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.libro-hoja-cuerpo {
  margin-top: 18px;
  font-size: 0.95rem;
  line-height: 1.65;
}

.libro-hoja-cuerpo p {
  margin: 0 0 12px;
}

.libro-subseccion {
  margin-bottom: 18px;
}

.libro-subseccion h3 {
  font-family: "Lora", serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 8px;
}

.libro-subseccion ol,
.libro-subseccion ul {
  margin: 0;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.libro-subseccion li {
  margin-bottom: 8px;
}

.libro-hoja-pdf-controles {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.btn-adjuntar-pdf {
  background: none;
  border: 1px solid var(--navy-700);
  color: var(--navy-800);
  border-radius: var(--radius);
  padding: 9px 14px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  min-height: 40px;
  cursor: pointer;
}

.btn-adjuntar-pdf:hover {
  background: var(--paper);
}

.btn-texto {
  background: none;
  border: none;
  color: var(--navy-800);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 2px;
  min-height: 40px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.libro-pdf-nombre {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.libro-pdf-adjunto {
  margin-top: 18px;
}

.libro-pdf-frame {
  width: 100%;
  height: min(65vh, 620px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

/* Carátula */

.libro-hoja-caratula {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 24px;
}

.libro-caratula-sistema {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.libro-caratula-numero {
  font-family: "Lora", serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy-900);
  margin: 6px 0 0;
}

.libro-caratula-actor {
  margin: 0;
  font-size: 1.05rem;
}

.libro-caratula-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 6px 0;
}

.libro-caratula-nota {
  max-width: 42ch;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 14px 0 0;
}

/* Animación de paso de página */

.libro-entrando-der {
  animation: libroEntrarDer 0.22s ease;
}

.libro-entrando-izq {
  animation: libroEntrarIzq 0.22s ease;
}

@keyframes libroEntrarDer {
  from {
    transform: translateX(28px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes libroEntrarIzq {
  from {
    transform: translateX(-28px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .libro-entrando-der,
  .libro-entrando-izq {
    animation: none;
  }
}

@media (max-width: 560px) {
  .libro-flecha {
    width: 34px;
    height: 34px;
    font-size: 1.2rem;
  }

  .libro-escenario {
    padding: 10px 4px;
    gap: 2px;
  }

  .libro-hoja {
    padding: 20px 14px 16px;
  }
}

@media (min-width: 640px) {
  .libro-escenario {
    gap: 14px;
  }
}