.app-container {
      max-width: 480px;
      margin: 0 auto;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      padding: 1rem;
      padding-bottom: 80px; /* espaço para footer fixo */
    }
    header {
      text-align: center;
      margin-bottom: 1rem;
    }
    header h1 {
      font-weight: 700;
      color: #17203D;
      font-size: 1.8rem;
      user-select: none;
    }
    header small {
      color: #4b5563;
      font-weight: 500;
    }
    form.presenca-lista {
      flex-grow: 1;
      overflow-y: auto;
      padding-right: 4px;
    }
    label.checkbox-custom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: white;
      border-radius: 12px;
      box-shadow: 0 2px 8px rgba(23,32,61,0.12);
      padding: 15px 20px;
      margin-bottom: 12px;
      cursor: pointer;
      transition: background-color 0.3s ease;
      font-weight: 600;
      color: #17203D;
      user-select: none;
    }
    label.checkbox-custom:hover {
      background-color: #e0e7ff;
    }
    label.checkbox-custom input[type="checkbox"] {
      appearance: none;
      -webkit-appearance: none;
      width: 40px;
      height: 24px;
      border-radius: 15px;
      background: #d1d5db;
      position: relative;
      cursor: pointer;
      outline: none;
      transition: background-color 0.3s ease;
      flex-shrink: 0;
    }
    label.checkbox-custom input[type="checkbox"]:checked {
      background: #17203D;
    }
    label.checkbox-custom input[type="checkbox"]::before {
      content: "";
      position: absolute;
      top: 3px;
      left: 4px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: white;
      transition: transform 0.3s ease;
      transform: translateX(0);
      box-shadow: 0 0 3px rgba(0,0,0,0.2);
    }
    label.checkbox-custom input[type="checkbox"]:checked::before {
      transform: translateX(16px);
    }
    /* Links de navegação */
    .nav-links {
      margin-top: 16px;
      display: flex;
      justify-content: space-between;
      max-width: 480px;
      margin-left: auto;
      margin-right: auto;
      padding: 0 1rem;
    }
    .nav-links a {
      background: #f3f4f6;
      padding: 10px 18px;
      border-radius: 14px;
      text-decoration: none;
      color: #17203D;
      font-weight: 600;
      box-shadow: 0 2px 6px rgba(23,32,61,0.1);
      transition: background-color 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      user-select: none;
    }
    .nav-links a:hover {
      background-color: #e0e7ff;
    }

    @media (max-width: 360px) {
      label.checkbox-custom {
        padding: 12px 16px;
        font-size: 14px;
      }
      footer.fixed-footer button {
        font-size: 1rem;
        padding: 12px 20px;
      }
      .nav-links {
        padding: 0 0.5rem;
      }
    }

    form.presenca-lista button[type="submit"] {
    margin-bottom: 4.5rem;
    }

    .app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    max-width: 720px;
    margin: 0 auto;
    }

    header {
      text-align: center;
      margin-bottom: 1rem;
    }
    header h1 {
      color: #17203D;
      font-weight: 700;
      font-size: 1.75rem;
    }

    .filter-card {
      background: #fff;
      border-radius: 1rem;
      padding: 1rem 1.5rem;
      box-shadow: 0 10px 25px rgba(23,32,61,.15);
      margin-bottom: 1.5rem;
    }

    .filter-card form .form-label {
      font-weight: 600;
      color: #17203D;
    }
    .btn-primary-custom {
      background-color: #17203D;
      border: none;
      font-weight: 700;
    }
    .btn-primary-custom:hover {
      background-color: #0f172b;
    }

    .table-responsive {
      background: #fff;
      border-radius: 1rem;
      box-shadow: 0 10px 25px rgba(23,32,61,.15);
      padding: 0.5rem;
      overflow-x: hidden;
      text-align: center;
      display: flex;
      justify-content: center;
    }

    table {
      font-size: 14px;
      border-collapse: separate;
      border-spacing: 0 8px;
      width: 100%;
      max-width: 100%;
      table-layout: fixed;
    }

    thead tr th, tbody tr td {
      padding: 12px 8px;
      vertical-align: middle;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    thead tr th.text-start, tbody tr td.text-start {
      text-align: left;
      padding-left: 15px;
    }

    thead tr th {
      background-color: #17203D;
      color: white;
      font-weight: 600;
      border-radius: 0.75rem 0.75rem 0 0;
    }

    tbody tr {
      background: #f0f4f8;
      border-radius: 1rem;
      transition: background-color 0.3s ease;
    }
    tbody tr:hover {
      background: #d0dbf9;
    }

    @media (max-width: 576px) {
      header h1 {
        font-size: 1.4rem;
      }
      .filter-card {
        padding: 1rem;
      }
      .table-responsive {
        padding: 0.25rem;
      }
      table {
        font-size: 10px;
      }
    }

    .card-title {
    font-weight: 600;
    }

    .table th, .table td {
      vertical-align: middle;
    }

    .table-hover tbody tr:hover {
      background-color: #f1f5f9;
    }

/* ==========================
   MENU PRINCIPAL
========================== */
      .header-title {
      font-weight: 700;
      font-size: 1.8rem;
      color: #17203D;
      margin-bottom: 1.5rem;
    }
    .filter-form {
      background: #ffffff;
      border-radius: 1rem;
      box-shadow: 0 4px 16px rgba(0,0,0,0.05);
      padding: 1.5rem;
      margin-bottom: 2rem;
    }
    .card-atleta {
      border-radius: 1rem;
      box-shadow: 0 6px 15px rgba(23,32,61,0.08);
      border-left: 6px solid #17203D;
      transition: transform 0.2s;
      cursor: pointer;
    }
    .card-atleta:hover {
      transform: scale(1.01);
    }
    .card-header-custom {
      background-color: #fff;
      border-bottom: 1px solid #eee;
      border-top-left-radius: 1rem;
      border-top-right-radius: 1rem;
      padding: 1rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .percentual-badge {
      background: #17203D;
      color: #fff;
      padding: 6px 14px;
      border-radius: 2rem;
      font-weight: bold;
      font-size: 0.9rem;
    }
    .list-group-item {
      font-size: 0.95rem;
      display: flex;
      justify-content: space-between;
    }