/* Floating chat button */
    .chat-launcher {
      position: fixed; right: 20px; bottom: 20px;
      width: 56px; height: 56px; border-radius: 50%;
      border: none; cursor: pointer; font-size: 24px;
      box-shadow: 0 10px 25px rgba(0,0,0,.2);
      background-color:#0C72BA;
      z-index:9999 !important;
    }
    /* Chat window */
    .chatbox {
      position: fixed; right: 20px; bottom: 90px; width: 320px; max-height: 60vh;
      background: black; border-radius: 12px;
      box-shadow: 0 10px 25px rgba(0,0,0,.15); display: none; overflow: hidden;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      z-index:9999 !important;
    }
    .chatbox-header { padding: 10px 12px; background:#0C72BA; font-weight:600;color:white !important }
    .chatbox-messages { padding: 10px 12px; height: 300px; overflow-y: auto; font-size: 14px; }
    .msg { margin:8px 0; line-height:1.35; }
    .msg.user { text-align: right; }
    .bubble {
      display:inline-block; padding:8px 10px; border-radius: 10px; max-width: 80%;
    }
    .user .bubble { background:#2E2E2E;color:white !important }
    .bot .bubble { background:#0C72BA;color:white !important }
    .chatbox-input { display:flex; gap:8px; padding:10px; }
    .chatbox-input input { flex:1; padding:8px 10px; border:1px solid #0C72BA; border-radius:8px;color:#0C72BA; }
    .chatbox-input button { padding:8px 12px; border: none; border-radius:8px; cursor:pointer;border: 1px solid #0C72BA;
    color: #0C72BA; }
    .hint { color:#777; font-size:12px; margin-top:4px; }