body {
  background-color: #0e0e0e;
  color: #ffffff;
  font-family: 'Courier New', monospace;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px;
}
.hero {
  text-align: center;
  margin-bottom: 30px;
}
.hero h1 {
  font-size: 3em;
  margin-bottom: 10px;
}
.hero p {
  font-size: 1.2em;
  color: #aaa;
}
.buttons {
  margin-top: 20px;
}
.btn {
  background-color: #00ffff;
  color: #000;
  padding: 10px 20px;
  margin: 0 10px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s;
}
.btn:hover {
  background-color: #00cccc;
}
#chatbox {
  width: 90%;
  max-width: 600px;
  border: 1px solid #555;
  border-radius: 10px;
  padding: 20px;
  background: #1a1a1a;
  overflow-y: auto;
  height: 400px;
  margin-bottom: 10px;
}
.msg {
  margin: 10px 0;
}
.user {
  color: #00ffff;
}
.bot {
  color: #ffaa00;
}
#input {
  width: 90%;
  max-width: 600px;
  padding: 10px;
  font-size: 16px;
  border: none;
  border-radius: 5px;
}