body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.chat-container {
  width: 400px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  overflow: hidden;
}

.chat-box {
  height: 300px;
  padding: 15px;
  overflow-y: auto;
  border-bottom: 1px solid #ccc;
}

.bot-message, .user-message {
  margin: 10px 0;
  padding: 10px;
  border-radius: 8px;
}

.bot-message {
  background-color: #e0e0e0;
  align-self: flex-start;
}

.user-message {
  background-color: #c1e1c1;
  align-self: flex-end;
  text-align: right;
}

form {
  display: flex;
  border-top: 1px solid #ccc;
}

input[type="text"] {
  flex: 1;
  padding: 10px;
  border: none;
  border-right: 1px solid #ccc;
}

button {
  padding: 10px 20px;
  border: none;
  background-color: #4CAF50;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}