.chatbot-container { position: fixed; bottom: 90px; right: 20px; width: 320px; max-height: 60vh;
  background: #fff; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,.15); display: none; flex-direction: column; overflow: hidden; z-index: 1050; }
.chatbot-header { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1rem; background: #0d6efd; color: #fff; }
.chatbot-messages { padding: 1rem; overflow-y: auto; flex: 1; }
.chatbot-input { display: flex; gap: .5rem; padding: .75rem; border-top: 1px solid #eee; }
.chatbot-text-input { flex: 1; padding: .5rem .75rem; border: 1px solid #e5e7eb; border-radius: .5rem; }
.chatbot-send-btn { border: 0; padding: .5rem .75rem; border-radius: .5rem; background: #0d6efd; color: #fff; }
.chatbot-toggle { position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px; border-radius: 50%; border: 0;
  background:#0d6efd; color:#fff; display: grid; place-items: center; box-shadow: 0 8px 20px rgba(0,0,0,.2); z-index: 1040; }
.close-chatbot { background: transparent; border: 0; font-size: 20px; color: #fff; }