#chatbot-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #00c853;
  color: #fff;
  font-size: 24px;
  padding: 15px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,.3);
  z-index: 1000;
}

#chatbot {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 300px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
  overflow: hidden;
  z-index: 1000;
  font-family: Arial, sans-serif;
}

.hidden { display: none; }

.chat-header {
  background: #111;
  color: #fff;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-body {
  padding: 12px;
  max-height: 320px;
  overflow-y: auto;
}

.bot-msg {
  background: black;
  padding: 8px;
  border-radius: 8px;
  margin-bottom: 10px;
}

.options button {
  width: 100%;
  margin-bottom: 6px;
  padding: 8px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background: #00c853;
  color: #fff;
}