body {
  font-family: Arial, sans-serif;
  background-color: #f8f8f8;
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  width: 90%;
  max-width: 600px;
}

.chatbox {
  border: 1px solid #ccc;
  padding: 1rem;
  height: 300px;
  overflow-y: auto;
  margin-bottom: 1rem;
  background: #f0f0f0;
}

.user-msg {
  color: blue;
  margin: 0.5rem 0;
}

.ai-msg {
  color: green;
  margin: 0.5rem 0;
}

form {
  display: flex;
  gap: 0.5rem;
}

input[type="text"] {
  flex-grow: 1;
  padding: 0.5rem;
}