body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f4f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.chat-container {
  width: 400px;
  height: 600px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-box {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.message {
  margin-bottom: 12px;
  line-height: 1.5;
}

.user {
  text-align: right;
  color: #7e57c2;
}

.bot {
  text-align: left;
  color: #2e2e2e;
}

.input-area {
  display: flex;
  border-top: 1px solid #ddd;
  padding: 10px;
}

#user-input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-right: 10px;
  font-size: 16px;
}

#send-btn {
  padding: 10px 16px;
  background: #202123;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

#send-btn:hover {
  background: #7e57c2;
}