#chat-bubble {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #0078ff;
  color: white;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 26px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 9999;
}

#chat-window {
  position: fixed;
  bottom: 100px;
  right: 25px;
  width: 320px;
  height: 420px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 9999;
}

#chat-header {
  background: #0078ff;
  color: white;
  padding: 12px;
  font-weight: bold;
  text-align: center;
}

#chat-messages {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  font-size: 14px;
}

.message {
  margin-bottom: 12px;
  line-height: 1.4;
}

.user {
  text-align: right;
  color: #0078ff;
}

.bot {
  text-align: left;
  color: #333;
}

#chat-input-area {
  display: flex;
  border-top: 1px solid #ddd;
}

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

#chat-send {
  background: #0078ff;
  color: white;
  border: none;
  padding: 0 16px;
  cursor: pointer;
}