* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0d0d11;
  color: #e6e6eb;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.chat {
  width: 360px;
  border: 1px solid #1f1f26;
  background: #111118;
  display: flex;
  flex-direction: column;
}

.header {
  padding: 12px;
  font-size: 14px;
  text-align: center;
  border-bottom: 1px solid #1f1f26;
  color: #a8a8b3;
}

.messages {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
}

.msg {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.4;
}

.bot {
  color: #d0d0ff;
}

.user {
  text-align: right;
  color: #8f8fa3;
}

input {
  border: none;
  border-top: 1px solid #1f1f26;
  background: #0d0d11;
  color: #e6e6eb;
  padding: 12px;
  font-size: 14px;
  outline: none;
}