#aivc-container {
  width: 100%;
  max-width: 400px;
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-family: Arial, sans-serif;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  z-index: 10000;
}
#aivc-chat-window {
  height: 300px;
  padding: 10px;
  background: #f9f9f9;
  overflow-y: auto;
}
.aivc-message {
  margin-bottom: 10px;
}
.aivc-message.user .text {
  background: #0084ff;
  color: #fff;
  text-align: right;
  border-radius: 16px;
  padding: 8px 12px;
  max-width: 80%;
  display: inline-block;
}
.aivc-message.bot .text {
  background: #e5e5e5;
  color: #000;
  text-align: left;
  border-radius: 16px;
  padding: 8px 12px;
  max-width: 80%;
  display: inline-block;
}
#aivc-input-area {
  display: flex;
  border-top: 1px solid #ccc;
  padding: 10px;
  background: #fff;
}
#aivc-input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin: 0 8px;
}
#aivc-voice-btn, #aivc-send-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
}
.aivc-tts-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  margin-left: 5px;
}