.upload-area {
  border: 2px dashed #007bff;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  color: #666;
  background-color: #f9f9f9;
  cursor: pointer;
  transition: border-color 0.3s ease, background-color 0.3s ease;
  position: relative;
  margin-bottom: 20px;
}

.upload-area:hover {
  background-color: #eef6ff;
  border-color: #0056b3;
}

.upload-area p {
  margin: 0;
  font-size: 16px;
  color: #007bff;
  font-weight: 500;
}

.upload-area input[type="file"] {
  opacity: 0;
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.tool-button.pdf-button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.tool-button.pdf-button:hover {
  background-color: #0056b3;
}