.assistant-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #4f46e5;
      color: white;
      border: none;
      border-radius: 50%;
      width: 60px;
      height: 60px;
      font-size: 24px;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      z-index: 999;
      animation: bounce 2s infinite;
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    .assistant-box {
      position: fixed;
      bottom: 90px;
      right: 20px;
      background: white;
      border: 1px solid #ddd;
      border-radius: 10px;
      width: 280px;
      padding: 15px;
      box-shadow: 0 8px 20px rgba(0,0,0,0.2);
      display: none;
      z-index: 998;
    }

    .assistant-box h4 {
      margin-top: 0;
      color: #333;
    }

    .assistant-box p {
      font-size: 14px;
      color: #444;
    }

    .whatsapp-link {
      display: block;
      margin-top: 15px;
      padding: 10px;
      text-align: center;
      background: #25D366;
      color: white;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
    }