#overlay {
  position: fixed; /* fixa na tela toda */
  top: 0; left: 0;
  width: 100vw; 
  height: 100vh;
  background: rgba(0, 0, 0, 0.5); /* preto translúcido */
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1050; /* acima de tudo */
}

.overlay-content {
  text-align: center;
}


@media (max-width: 768px) {
    .tabela-empresas thead {
      display: none;
    }

    .tabela-empresas tbody tr {
      display: block;
      margin-bottom: 1rem;
      border: 1px solid #ccc;
      border-radius: 8px;
      padding: 1rem;
      background-color: #fff;
    }

    .tabela-empresas tbody td {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: .5rem 0;
      border-bottom: 1px solid #eee;
    }

    .tabela-empresas tbody td:last-child {
      border-bottom: none;
    }

    .tabela-empresas tbody td::before {
      content: attr(data-label);
      font-weight: bold;
      color: #555;
    }
  }