body {
    background-color: #f8f9fa;
  }

  .search-header {
    background: rgb(18, 53, 84);
    color: white;
    padding: 40px 20px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  }

  .card-form {
    background-color: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
  }

  .form-label {
    font-weight: 600;
    color: #333;
  }

  .btn-success {
    font-weight: bold;
    padding: 10px 25px;
    border-radius: 10px;
  }

  .results-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 30px 0 20px;
    border-left: 5px solid rgb(18, 53, 84);
    padding-left: 12px;
    color: rgb(18, 53, 84);
  }

  .list-group-item {
    background-color: #fff;
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
  }

  .list-group-item:hover {
    background-color: #f1f8ff;
  }

  .theme-link {
    color: #1d3557;
    font-weight: 600;
    text-decoration: none;
  }

  .theme-link:hover {
    text-decoration: underline;
  }

  .badge-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
  }

  .badge {
    font-size: 0.85rem;
    padding: 6px 10px;
  }

  .btn-secondary {
    border-radius: 10px;
    padding: 10px 20px;
    font-weight: 500;
  }

  /* botão flutuante tutorial (caso tutorial.css não esteja carregado) */
  #tutorialBtn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1100;
    border-radius: 50%;
    width: 64px;
    height: 64px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
  }
  @media (max-width:576px) { #tutorialBtn { width:56px; height:56px; } }