body {
  background-color: #1c1c1c;
  color: #fff;
  font-family: sans-serif;
  margin: 0;
  padding: 0;
}

#chat-container {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#chat-window {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.message {
  padding: 0.6rem 1rem;
  border-radius: 1rem;
  max-width: 70%;
  white-space: pre-wrap;
}

.user {
  background-color: #3b5998;
  align-self: flex-end;
  text-align: left;
  color: white;
}

.bot {
  background-color: #333;
  align-self: flex-start;
  text-align: left;
  color: white;
}

#input-area {
  display: flex;
  padding: 0.5rem;
  background-color: #111;
  border-top: 1px solid #333;
}

#user-input {
  flex-grow: 1;
  resize: none;
  padding: 0.5rem;
  background: #222;
  color: #ccc;
  border: 1px solid #444;
  border-radius: 6px;
  font-family: inherit;
}

#send-btn {
  margin-left: 0.5rem;
  padding: 0 1rem;
  background: #444;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#send-btn:hover {
  background-color: #555;
}