body {
  font-family: Arial, sans-serif;
  background: #0d1117;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.chat-container {
  width: 90%;
  max-width: 500px;
  background: #161b22;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

#chat-box {
  background: #0d1117;
  padding: 10px;
  height: 300px;
  overflow-y: auto;
  border: 1px solid #30363d;
  margin-bottom: 10px;
}

textarea {
  width: 100%;
  height: 50px;
  margin-bottom: 10px;
}

button {
  width: 100%;
  padding: 10px;
  background: #238636;
  color: white;
  border: none;
  cursor: pointer;
}
button:hover {
  background: #2ea043;
}