/* ==========================================================================
   ESTILOS DEDICADOS: MÓDULO DE HERRAMIENTAS PDF (PIRUTOOLS)
   ========================================================================== */

.pdf-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 18px;
}

/* Zona de Carga Drag & Drop */
.pdf-dropzone {
  background-color: var(--container-bg);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 24px;
  margin-bottom: 24px;
  position: relative;
}

.pdf-dropzone:hover,
.pdf-dropzone.dragover {
  border-color: var(--primary-blue);
  background-color: rgba(255, 0, 85, 0.03);
  transform: translateY(-2px);
}

.pdf-dropzone-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 14px;
}

.pdf-dropzone-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.pdf-dropzone-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* Tarjeta de Edición y Procesamiento */
.pdf-workspace-card {
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .pdf-workspace-card {
    padding: 16px;
  }
}

.pdf-workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.pdf-file-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pdf-file-name {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-main);
}

.pdf-file-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Layout de Configuración 2 Columnas */
.pdf-nup-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 860px) {
  .pdf-nup-layout {
    grid-template-columns: 1fr;
  }
}

.pdf-opt-group {
  margin-bottom: 16px;
}

.pdf-opt-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.pdf-btn-radios {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pdf-choice-btn {
  flex: 1;
  min-width: 110px;
  background-color: var(--page-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
}

.pdf-choice-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.pdf-choice-btn.active {
  background-color: var(--primary-blue);
  border-color: var(--primary-blue);
  color: #ffffff;
  box-shadow: 0 3px 10px rgba(255, 0, 85, 0.25);
}

.pdf-choice-btn.active i {
  color: #ffffff !important;
}

/* Previsualización de Hojas N-Up en Canvas */
.pdf-preview-stage {
  background-color: var(--page-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  text-align: center;
}

.pdf-sheet-mockup {
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  display: flex;
  padding: 8px;
  gap: 6px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
}

.pdf-sheet-mockup.landscape {
  width: 220px;
  height: 155px;
}

.pdf-sheet-mockup.portrait {
  width: 155px;
  height: 220px;
  flex-direction: column;
}

.pdf-page-mini {
  flex: 1;
  height: 100%;
  background: #f1f5f9;
  border: 1px dashed #cbd5e1;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: #64748b;
}

.pdf-sheet-mockup.portrait .pdf-page-mini {
  width: 100%;
  height: 48%;
}

/* Lista de Archivos para Unir (Merge PDF) */
.pdf-file-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.pdf-file-item {
  background-color: var(--page-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pdf-file-item-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Grilla de Páginas para Dividir / Rotar */
.pdf-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 14px;
  max-height: 450px;
  overflow-y: auto;
  padding: 10px;
  background-color: var(--page-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.pdf-page-thumb-card {
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  transition: var(--transition);
}

.pdf-page-thumb-card.selected {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 2px var(--primary-blue);
}

.pdf-thumb-canvas {
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  border: 1px solid var(--border-color);
}

.pdf-page-number {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
}

/* Barra de Progreso */
.pdf-progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--page-bg);
  border-radius: 50px;
  overflow: hidden;
  margin: 14px 0;
  display: none;
}

.pdf-progress-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-blue), #ec4899);
  transition: width 0.2s ease;
}