:root {
      --primary: #1f4e86;
      --primary-light: #eef4ff;
      --accent: #2c3e50;
      --bg: #f8f9fa;
      --card-bg: #ffffff;
      --text: #333;
      --text-muted: #666;
      --border: #eef1f5;
      --badge-bg: #e0e7ff;
      --badge-text: #3730a3;
    }

    body {
      font-family: 'Inter', sans-serif;
      background-color: var(--bg);
      color: var(--text);
    }

    /* Layout specific */
    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: var(--primary);
      text-decoration: none;
      margin-bottom: 24px;
      transition: transform 0.2s;
    }

    .back-link:hover {
      transform: translateX(-4px);
    }

    .intro-text {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 32px;
    }

    .mod-grid {
      display: grid;
      gap: 24px;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    .mod-card {
      background: var(--card-bg);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .mod-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }

    .mod-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 16px;
    }

    .mod-icon {
      font-size: 2.5rem;
      line-height: 1;
    }

    .badge-age {
      display: inline-block;
      background: var(--badge-bg);
      color: var(--badge-text);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 99px;
      text-transform: uppercase;
      letter-spacing: 0.025em;
    }

    .mod-card h3 {
      font-size: 1.25rem;
      margin: 0 0 8px;
      color: var(--accent);
      font-weight: 700;
    }

    .mod-card p {
      font-size: 0.95rem;
      line-height: 1.5;
      color: var(--text-muted);
      margin: 0 0 16px;
      flex-grow: 1;
    }

    .sep {
      height: 1px;
      background: var(--border);
      border: 0;
      margin: 0 0 16px;
    }

    .btn-outline {
      display: block;
      width: 100%;
      text-align: center;
      padding: 12px 16px;
      border-radius: 12px;
      border: 2px solid var(--primary);
      color: var(--primary);
      text-decoration: none;
      font-weight: 700;
      transition: all 0.2s;
      background: transparent;
      cursor: pointer;
    }

    .btn-outline:hover {
      background: var(--primary-light);
    }

    .btn-view-centers {
      margin-top: 8px;
      width: auto;
      min-width: 180px;
      align-self: center;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .btn-disabled {
      display: block;
      width: 100%;
      text-align: center;
      padding: 12px 16px;
      border-radius: 12px;
      background: #f3f4f6;
      color: #9ca3af;
      border: 2px solid #e5e7eb;
      font-weight: 600;
      cursor: not-allowed;
    }

    .card-note {
      font-size: 0.85rem;
      color: #dc2626;
      /* reddish for alerts/notes */
      font-style: italic;
    }

    /* Main CTA Button */
    .cta-container {
      text-align: center;
      margin: 48px 0;
    }

    .btn-main-apply {
      display: inline-block;
      padding: 20px 60px;
      background-color: #0d4a13;
      /* Dark green */
      color: #ffffff !important;
      text-decoration: none;
      font-weight: 700;
      font-size: 1.3rem;
      border-radius: 50px;
      transition: all 0.3s ease;
      box-shadow: 0 0 20px rgba(13, 74, 19, 0.4);
      text-transform: uppercase;
      letter-spacing: 1px;
      border: 2px solid #0d4a13;
    }

    .btn-main-apply:hover {
      background-color: #156d1c;
      box-shadow: 0 0 30px rgba(21, 109, 28, 0.6);
      transform: translateY(-3px);
      color: #fff !important;
    }

    .swal-futsal-popup {
      border-radius: 24px;
      padding: 1.25rem 1.25rem 1rem !important;
    }

    .swal-futsal-html {
      margin: 0 !important;
      padding: 0 4px 0 0 !important;
      max-height: min(60vh, 520px);
      overflow-y: auto;
    }

    .swal-futsal-actions {
      gap: 10px !important;
      margin-top: 1.25rem !important;
    }

    .swal-futsal-confirm,
    .swal-futsal-cancel {
      display: inline-flex !important;
      align-items: center;
      justify-content: center;
      margin: 0 !important;
      border: 0 !important;
      border-radius: 999px !important;
      padding: 12px 18px !important;
      font-size: 0.95rem !important;
      font-weight: 700 !important;
    }

    .swal-futsal-confirm {
      background: #0d4a13 !important;
      color: #fff !important;
    }

    .swal-futsal-cancel {
      background: #eef2f7 !important;
      color: #334155 !important;
    }

    .swal-nucleo-list {
      display: grid;
      gap: 14px;
      text-align: left;
    }

    .swal-nucleo-intro {
      margin: 0;
      font-size: 0.95rem;
      line-height: 1.55;
      color: var(--text-muted);
    }

    .swal-nucleo-item {
      background: linear-gradient(180deg, #ffffff, #f8fbff);
      border: 1px solid #dbe7f3;
      border-radius: 18px;
      padding: 16px;
      box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
    }

    .swal-nucleo-tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 10px;
      border-radius: 999px;
      background: #e8f0fb;
      color: var(--primary);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .swal-nucleo-item h3 {
      margin: 10px 0 6px;
      color: var(--accent);
      font-size: 1.05rem;
    }

    .swal-nucleo-meta {
      margin: 0 0 12px;
      line-height: 1.5;
      color: var(--text-muted);
      font-size: 0.92rem;
    }

    .swal-turno-grid {
      display: grid;
      gap: 10px;
    }

    .swal-turno-card {
      background: #ffffff;
      border: 1px solid #e5e7eb;
      border-radius: 14px;
      padding: 12px 13px;
    }

    .swal-turno-title {
      display: block;
      margin-bottom: 6px;
      color: var(--primary);
      font-size: 0.76rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .swal-turno-card p {
      margin: 0;
      line-height: 1.55;
      color: var(--text);
    }

    .swal-turno-card strong {
      color: var(--accent);
    }

    @media (max-width: 640px) {
      .mod-grid {
        grid-template-columns: 1fr;
      }

      .swal-futsal-popup {
        width: calc(100vw - 16px) !important;
        padding: 1rem 0.75rem 0.75rem !important;
      }

      .swal-futsal-html {
        max-height: 58vh;
        padding-right: 2px !important;
      }

      .swal-futsal-actions {
        width: 100%;
        flex-direction: column-reverse;
      }

      .swal-futsal-confirm,
      .swal-futsal-cancel {
        width: 100%;
        justify-content: center;
      }

      .swal-nucleo-item {
        padding: 14px;
        border-radius: 16px;
      }
    }