/**
 * GE-revista-flipbook — Estilos
 * Grupo Educar | Sinergia Digital SpA | 2026
 *
 * Se enqueue después de main2.css / style.css para que estas reglas
 * tengan prioridad por orden de carga (misma especificidad).
 */

/* ── Galería 6×3 ──────────────────────────────────────────────────────────── */
.ediciones-grid {
  grid-template-columns: repeat(6, 1fr);
}
@media (max-width: 1200px) {
  .ediciones-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .ediciones-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .ediciones-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Paginación AJAX de la galería ────────────────────────────────────────── */
.ge-pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.ge-pagination button {
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--ge-gray-300);
  background: var(--ge-white);
  border-radius: var(--radius-md, 6px);
  cursor: pointer;
  font-size: 14px;
  color: var(--ge-gray-700, #333);
  transition: all var(--transition, 0.2s ease);
}
.ge-pagination button:hover:not(:disabled) {
  border-color: var(--ge-green);
  color: var(--ge-green);
}
.ge-pagination button.activa {
  background: var(--ge-green);
  border-color: var(--ge-green);
  color: #fff;
  font-weight: 700;
}
.ge-pagination button:disabled {
  opacity: 0.4;
  cursor: default;
}

/* ── Navegación edición anterior / siguiente ─────────────────────────────── */
.edicion-nav-adyacente {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 48px 0;
  padding-top: 32px;
  border-top: 1px solid var(--ge-gray-300);
}
.edicion-nav-adyacente a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--ge-gray-300);
  border-radius: var(--radius-lg, 10px);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition, 0.2s ease);
}
.edicion-nav-adyacente a:hover {
  border-color: var(--ge-green);
  box-shadow: var(--shadow-md);
}
.edicion-nav-adyacente .siguiente { text-align: right; align-items: flex-end; }
.edicion-nav-adyacente .nav-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ge-green);
}
.edicion-nav-adyacente .nav-titulo {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 16px;
}
@media (max-width: 640px) {
  .edicion-nav-adyacente { grid-template-columns: 1fr; }
  .edicion-nav-adyacente .siguiente { text-align: left; align-items: flex-start; }
}

/* ── Visor Flipbook (modal) ───────────────────────────────────────────────── */
.ge-flipbook-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  background: rgba(20, 20, 20, 0.96);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}
.ge-flipbook-modal.activo {
  opacity: 1;
  visibility: visible;
}

.ge-flipbook-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  color: #fff;
  flex-shrink: 0;
}
.ge-flipbook-titulo {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ge-flipbook-contador {
  font-size: 13px;
  opacity: 0.8;
  white-space: nowrap;
}
.ge-flipbook-acciones {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ge-flipbook-acciones a,
.ge-flipbook-acciones button {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
}
.ge-flipbook-acciones a:hover,
.ge-flipbook-acciones button:hover {
  background: rgba(255, 255, 255, 0.25);
}

.ge-flipbook-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 0;
  padding: 0 12px;
}
.ge-flipbook-nav {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.ge-flipbook-nav:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.25);
}
.ge-flipbook-nav:disabled {
  opacity: 0.25;
  cursor: default;
}

.ge-flipbook-libro-wrap {
  position: relative;
  width: min(94vw, 1600px);
  height: 87vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ge-flipbook-libro {
  width: 100%;
  height: 100%;
}
.ge-flipbook-libro .page {
  background: #fff;
}
.ge-flipbook-libro canvas {
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}
@media (max-width: 640px) {
  .ge-flipbook-libro-wrap {
    width: 96vw;
    height: 80vh;
  }
}
.ge-flipbook-spinner {
  display: none;
  position: absolute;
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ge-flipbook-spin 0.8s linear infinite;
}
@keyframes ge-flipbook-spin {
  to { transform: rotate(360deg); }
}

.ge-flipbook-thumbs {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: thin;
}
.ge-flipbook-thumb {
  height: 64px;
  width: auto;
  border-radius: 3px;
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.2s ease, outline 0.2s ease;
  flex-shrink: 0;
}
.ge-flipbook-thumb:hover {
  opacity: 0.85;
}
.ge-flipbook-thumb.activa {
  opacity: 1;
  outline: 2px solid var(--ge-green);
}

@media (max-width: 640px) {
  .ge-flipbook-titulo { display: none; }
  .ge-flipbook-thumbs { display: none; }
  .ge-flipbook-nav { width: 40px; height: 40px; }
}

/* ── N10 (feedback oct. 2026): paginas del flipbook en modo HTML (nitidas en pantallas Retina) ── */
.ge-flip-pagina { background: #fff; overflow: hidden; }
.ge-flip-pagina img { display: block; width: 100%; height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; pointer-events: none; }
.ge-flipbook-libro .stf__block { box-shadow: 0 10px 30px rgba(0, 0, 0, .5); }
/* La barra superior, las miniaturas y las flechas quedan siempre por encima de las paginas
   (en modo HTML cada pagina es un elemento y, si el libro sobresale de su caja, podia tapar botones). */
.ge-flipbook-topbar, .ge-flipbook-thumbs, .ge-flipbook-nav { z-index: 5; }
.ge-flipbook-topbar, .ge-flipbook-thumbs, .ge-flipbook-nav { position: relative; }

/* ── N9 y N7 (feedback oct. 2026): portada sola a la derecha y zoom con deslizador ── */
/* Lado gris junto a la portada (y junto a la contraportada cuando queda sola). */
.ge-libro--portada .stf__block::before,
.ge-libro--contraportada .stf__block::before {
  content: ''; position: absolute; top: 0; bottom: 0; width: 50%; pointer-events: none;
  background: #4a4a4a; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.ge-libro--portada .stf__block::before { left: 0; }
.ge-libro--contraportada .stf__block::before { right: 0; }
.ge-libro--portada .stf__block, .ge-libro--contraportada .stf__block { box-shadow: none; }

/* Deslizador de zoom (barra del libro y lectura ampliada). */
.ge-zoom-slider { display: inline-flex; align-items: center; gap: 6px; }
.ge-zoom-slider input[type="range"] { width: 130px; margin: 0; accent-color: #89c126; cursor: pointer; }
.ge-zoom-slider button:disabled { opacity: .35; cursor: default; }
@media (max-width: 640px) { .ge-zoom-slider input[type="range"] { width: 76px; } }