/* Botão flutuante */
    #chat-button {
      position: fixed;
      bottom: 13%;
      right: 15px;
      background: #0056b3;
      color: #fff;
      border: none;
      border-radius: 50px;
      padding: 10px 20px;
      font-size: 18px;
      cursor: pointer;
      box-shadow: 0 4px 8px rgba(0,0,0,0.3);
      z-index: 1000;
      display: flex;
      gap: 10px;
      align-items: center;
      transition: all 0.3s ease;
    }
    /* Destaque ao passar o mouse */
    #chat-button:hover {
      background: #004494;
      transform: scale(1.05);
    }
    /* Janela do chat */
    #chat-box {
      position: fixed;
      bottom: 20%;
      right: 15px;
      width: 320px;
      max-height: 500px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      display: none;
      flex-direction: column;
      overflow: hidden;
      font-family: Arial, sans-serif;
      z-index: 1000;
    }
    /* Cabeçalho */
    #chat-header {
        background: #0056b3;
        color: #fff;
        padding: 12px;
        font-weight: bold;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    #chat-header span {
        font-size: 14px;
    }
    #chat-close {
      cursor: pointer;
      font-size: 18px;
    }
    /* Corpo do chat */
    #chat-messages {
      flex: 1;
      padding: 10px;
      overflow-y: auto;
      font-size: 14px;
      display: flex;
      flex-direction: column;
      min-height: 300px;
    }
    .bot-message {
      background: #f1f1f1;
      color: #000;
      padding: 8px;
      border-radius: 8px;
      margin: 6px 0;
      max-width: 80%;
      align-self: flex-start;
      word-wrap: break-word;
      line-height: 1.5;
    }          
    .user-message {
      background: #ffcc00;
      color: #000;
      padding: 8px;
      border-radius: 8px;
      margin: 6px 0;
      max-width: 80%;
      align-self: flex-end;
      word-wrap: break-word;
    }
    .typing-indicator {
      background: #f1f1f1;
      color: #666;
      padding: 8px;
      border-radius: 8px;
      margin: 6px 0;
      max-width: 80%;
      align-self: flex-start;
      font-style: italic;
    }
    /* Input */
    #chat-input-area {
      display: flex;
      border-top: 1px solid #ddd;
    }
    #chat-input {
      flex: 1;
      border: none;
      padding: 10px;
      font-size: 14px;
    }
    #chat-send {
      background: #0056b3;
      color: #fff;
      border: none;
      padding: 10px 15px;
      cursor: pointer;
      transition: background 0.3s;
    }
    #chat-send:hover {
      background: #004494;
    }
    #chat-send:disabled {
      background: #cccccc;
      cursor: not-allowed;
    }
    /* Media query para dispositivos móveis */
    @media (max-width: 768px) {
      #chat-button {
        bottom: 10%!important;
      }
      #chat-box {
        bottom: 16%!important;
      }
    }