.pdf-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pdf-modal-overlay.show {
  opacity: 1;
}

.pdf-modal {
  display: flex;
  flex-direction: column;
  width: 95%;
  height: 95%;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.pdf-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  border-bottom: 1px solid #e1e1e1;
  background-color: #f8f8f8;
}

.pdf-modal-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  padding: 0;
  color: #333;
}

.pdf-modal-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #2c7be5;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.pdf-modal-back-btn:hover {
  background-color: #1c68d4;
}

.pdf-modal-back-btn svg {
  width: 18px;
  height: 18px;
}

.pdf-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  color: #666;
  transition: color 0.2s;
}

.pdf-modal-close:hover {
  color: #333;
}

.pdf-modal-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.pdf-modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}