/* PDF Viewer Styles */
.pdf-viewer-container {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: none;
}

.pdf-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.pdf-btn {
  background: #7c3aed;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.pdf-btn:hover:not(:disabled) {
  background: #6d28d9;
  transform: translateY(-2px);
}

.pdf-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
  transform: none;
}

.pdf-viewer-container .download-btn {
  background: #059669;
  color: white;
}

.pdf-viewer-container .download-btn:hover {
  background: #047857;
  color: white;
}

.page-info, .zoom-info {
  font-weight: 600;
  color: #374151;
  min-width: 120px;
  text-align: center;
}

.pdf-viewer {
  display: flex;
  justify-content: center;
  background: white;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  overflow: auto;
  max-height: 90vh;
  min-height: 70vh;
  width: 100%;
}

#pdfCanvas {
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  max-width: 100%;
  height: auto;
}

.pdf-loading {
  text-align: center;
  padding: 3rem;
  display: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f4f6;
  border-top: 4px solid #7c3aed;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsividade do PDF Viewer */
@media (max-width: 768px) {
  .pdf-controls {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .pdf-btn {
    width: 100%;
    max-width: 200px;
  }
}