body {
  font-family: Arial, sans-serif;
  background-color: #f0f2f5;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 40px auto;
  background: linear-gradient(to bottom right, #ffe5e5, #e6f0ff);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.chat-box {
  height: 400px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background-color: #fafafa;
  margin-bottom: 10px;
}

.message {
  margin: 8px 0;
  padding: 8px 12px;
  border-radius: 20px;
  max-width: 80%;
  display: inline-block;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.message.user {
  background-color: #ffadad;
  float: right;
  text-align: right;
}

.message.bot {
  background-color: #a0c4ff;
  float: left;
  text-align: left;
}

form {
  display: flex;
  gap: 10px;
}

input[type="text"] {
  flex: 1;
  padding: 10px;
  border-radius: 20px;
  border: 1px solid #ccc;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  border: none;
  background-color: #BDB2FF;
  color: white;
  border-radius: 20px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background-color: #a395f7;
}