body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #1e1f29, #121213);
  color: white;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

#chat-container {
  width: 100%;
  max-width: 500px;
  background: rgba(30, 31, 41, 0.95);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 80vh;
}

h1 {
  text-align: center;
  margin-bottom: 10px;
  color: #a66bff;
}

#messages {
  flex: 1;
  overflow-y: auto;
  padding-right: 5px;
  margin-bottom: 10px;
}

.message {
  background: rgba(255, 255, 255, 0.08);
  padding: 8px 12px;
  margin-bottom: 8px;
  border-radius: 6px;
}

form {
  display: flex;
}

#msg {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 6px 0 0 6px;
  outline: none;
}

button {
  padding: 10px 15px;
  border: none;
  background: #a66bff;
  color: white;
  font-weight: bold;
  cursor: pointer;
  border-radius: 0 6px 6px 0;
}

button:hover {
  background: #8f4fff;
}