body { font-family: 'Segoe UI', Tahoma, sans-serif; margin: 0; background: #f9f9f9; }
#chatbot {
  display: none;
  position: fixed;
  bottom: 90px;
  left: 20px;
  width: 360px;
  background: white;
  border: 1px solid #ccc;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0,0,0,0.2);
  padding: 15px;
  z-index: 9999;
}
#chat-window {
  height: 280px;
  overflow-y: auto;
  padding: 10px;
  background: #f2f2f2;
  border-radius: 8px;
  border: 1px solid #ddd;
}
.message {
  background: #e0e0e0;
  padding: 10px;
  margin: 10px 0;
  border-radius: 8px;
}
.user { background: #c8e6c9; text-align: right; }
.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}
.menu-grid button {
  background: #4CAF50;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.3s;
}
.menu-grid button:hover {
  background: #388e3c;
}
#user-input { width: calc(100% - 60px); padding: 6px; margin-top: 10px; }
#send-btn {
  width: 50px; padding: 6px; background-color: #4CAF50;
  color: white; border: none; border-radius: 6px; cursor: pointer;
}
#send-btn:hover { background-color: #388e3c; }
#chat-icon {
  position: fixed; bottom: 20px; left: 20px;
  background: #4CAF50; color: white;
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; border-radius: 50%; cursor: pointer;
  z-index: 10000;
}
#chat-tooltip {
  display: none;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  position: fixed; bottom: 90px; left: 90px;
  background: white; padding: 10px;
  border-radius: 6px; border: 1px solid #ccc;
  font-size: 14px;
  z-index: 9998;
}
#chat-tooltip.visible {
  display: block;
  opacity: 1;
}