:root {
  --chat-header-bg: linear-gradient(135deg, #312e81, #6366f1);
  --chat-user-bg: linear-gradient(135deg, #4338ca, #3730a3);
  --chat-bot-bg: #eef2ff;
  --chat-bot-color: #1e1b4b;
  --chat-send-bg: linear-gradient(135deg, #6366f1, #312e81);
  --chat-footer-bg: #3730a3;
  --chat-footer-color: #ffffff;
}