textarea {
  width: 100%;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #ddd;
  background-color: #f9f9f9;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  resize: vertical;
}

textarea:focus {
  border-color: #28a745;
  box-shadow: 0 0 8px rgba(40, 167, 69, 0.2);
  outline: none;
}