body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.chat-container {
  width: 350px;
  height: 500px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  background: #e74c3c;
  color: white;
  padding: 15px;
  font-weight: bold;
}

.chat-messages {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.message {
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  max-width: 80%;
}

.user {
  background: #e74c3c;
  color: white;
  align-self: flex-end;
}

.bot {
  background: #eee;
  color: black;
  align-self: flex-start;
}

.chat-input {
  display: flex;
  border-top: 1px solid #ddd;
  align-items: center;
}

.chat-input input {
  flex: 1;
  padding: 10px;
  border: none;
  outline: none;
}

.chat-input button {
  background: #e74c3c;
  color: white;
  border: none;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 16px;
}

.chat-input button:hover {
  background: #c0392b;
}

#voiceBtn.listening {
  background: #27ae60;
}