/* =========================================================
   SUSLIMP — Visor de catálogo PDF personalizado
   ========================================================= */

.catalog-section {
  padding: 56px 0 64px;
}
.catalog-heading {
  text-align: center;
  max-width: 56ch;
  margin: 0 auto 36px;
}
.catalog-heading h2 { font-size: 1.9rem; letter-spacing: -0.01em; }
@media (min-width: 860px) {
  .catalog-section { padding: 90px 0 100px; }
  .catalog-heading h2 { font-size: 2.3rem; }
}

.pdf-viewer {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  max-width: 780px;
  margin: 0 auto;
}

.pdf-viewer.is-fullscreen {
  max-width: none;
  border-radius: 0;
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  flex-direction: column;
}

/* Barra superior de la tarjeta */
.pdf-toolbar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: var(--color-dark);
  color: var(--color-white);
}
.pdf-toolbar-top .pdf-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pdf-toolbar-top .pdf-title .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-yellow);
  flex-shrink: 0;
}
.pdf-toolbar-actions {
  display: flex;
  gap: 4px;
}

.pdf-icon-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-white);
  border-radius: 10px;
}
.pdf-icon-btn:hover { background: rgba(255,255,255,0.12); }
.pdf-icon-btn:disabled { opacity: 0.35; }
.pdf-icon-btn svg { width: 20px; height: 20px; }

/* Área de render: la altura se ajusta por JS a la proporción real del PDF (1240x1754px) */
.pdf-stage {
  position: relative;
  background: var(--color-gray-100);
  display: flex;
  overflow: hidden;
  flex: 1;
  min-height: 300px;
}

.pdf-canvas-wrap {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 16px 10px;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  position: relative;
}
.pdf-canvas-wrap canvas {
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
  background: #fff;
  max-width: 100%;
  height: auto;
}

.pdf-viewer.is-fullscreen .pdf-canvas-wrap {
  padding-bottom: 110px;
}

/* Estado de carga */
.pdf-status {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 30px;
  text-align: center;
  color: var(--color-dark-2);
  background: var(--color-gray-100);
}
.pdf-status[hidden] { display: none; }
.pdf-spinner {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 4px solid var(--color-gray-300);
  border-top-color: var(--color-yellow-strong);
  animation: pdf-spin 0.8s linear infinite;
}
@keyframes pdf-spin { to { transform: rotate(360deg); } }

.pdf-status .pdf-status-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-yellow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

/* Barra inferior: navegación de páginas */
.pdf-toolbar-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-300);
  position: relative;
  z-index: 2;
}
.pdf-viewer.is-fullscreen .pdf-toolbar-bottom {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(6px);
  padding-bottom: max(12px, env(safe-area-inset-bottom));
}

.pdf-page-indicator {
  font-weight: 600;
  font-size: 0.92rem;
  min-width: 84px;
  text-align: center;
  color: var(--color-black);
}

.pdf-nav-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--color-yellow-strong);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
}
.pdf-nav-btn:disabled { opacity: 0.35; background: var(--color-gray-300); }
.pdf-nav-btn svg { width: 22px; height: 22px; }

/* Panel de miniaturas (drawer) */
.pdf-thumbs-toggle {
  display: none;
}

.pdf-thumbs-drawer {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: min(78%, 260px);
  background: var(--color-white);
  border-right: 1px solid var(--color-gray-300);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  z-index: 5;
  display: flex;
  flex-direction: column;
}
.pdf-thumbs-drawer.is-open { transform: translateX(0); }
.pdf-thumbs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-gray-300);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-black);
}
.pdf-thumbs-header .pdf-icon-btn {
  color: var(--color-black);
}
.pdf-thumbs-header .pdf-icon-btn:hover {
  background: var(--color-gray-100);
}
.pdf-thumbs-list {
  overflow-y: auto;
  padding: 10px;
  display: grid;
  gap: 10px;
  flex: 1;
}
.pdf-thumb {
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-gray-100);
  padding: 4px;
  text-align: center;
  cursor: pointer;
}
.pdf-thumb.is-active { border-color: var(--color-yellow-strong); }
.pdf-thumb img, .pdf-thumb canvas { width: 100%; display: block; border-radius: 4px; }
.pdf-thumb .num {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  margin-top: 4px;
}

.pdf-thumbs-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 4;
}
.pdf-thumbs-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* En escritorio: mostrar panel fijo en vez de drawer */
@media (min-width: 900px) {
  .pdf-viewer:not(.is-fullscreen) { max-width: 100%; }
  .pdf-thumbs-drawer {
    position: static;
    transform: none;
    width: 190px;
    flex-shrink: 0;
  }
  .pdf-thumbs-backdrop { display: none; }
  .pdf-thumbs-header .pdf-icon-btn.close-drawer { display: none; }
}

/* Botón CTA bajo el visor */
.catalog-actions {
  max-width: 780px;
  margin: 18px auto 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
@media (min-width: 560px) {
  .catalog-actions { flex-direction: row; justify-content: center; }
}

/* Mensaje "catálogo próximamente" cuando no hay PDF cargado aún */
.pdf-empty {
  gap: 10px;
}
.pdf-empty h3 { margin-bottom: 0.2em; font-size: 1.1rem; }
.pdf-empty p { max-width: 40ch; }