#qrvr-chat-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  border: none;
  border-radius: 50%;
  font-size: 26px;
  cursor: pointer;
  z-index: 9998;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

#qrvr-chat-panel {
  position: fixed;
  right: 22px;
  bottom: 92px;
  width: 360px;
  height: 500px;
  max-height: calc(100vh - 120px);
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 9999;
  font-family: Arial, sans-serif;
}

#qrvr-chat-panel.open {
  display: flex;
}

#qrvr-chat-header {
  padding: 14px 16px;
  font-weight: 700;
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#qrvr-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
}

.qrvr-message {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  line-height: 1.4;
  white-space: pre-wrap;
}

.qrvr-message.user {
  background: #e9eef5;
  margin-left: 40px;
}

.qrvr-message.assistant {
  background: #f5f5f5;
  margin-right: 40px;
}

#qrvr-chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid #ddd;
}

#qrvr-chat-input {
  flex: 1;
  padding: 10px;
  border: 1px solid #bbb;
  border-radius: 8px;
}

#qrvr-chat-send {
  padding: 10px 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

#qrvr-new-chat {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 12px;
}