.tab-container {
      font-family: Arial, sans-serif;
      max-width: 1000px;
      margin: 0 auto;
      padding: 20px;
    }
    .tabs {
      display: flex;
      margin-bottom: 20px;
      border-bottom: 2px solid #ddd;
    }
    .tab-btn {
      padding: 10px 20px;
      cursor: pointer;
      background: #f1f1f1;
      border: none;
      outline: none;
      margin-right: 5px;
      border-radius: 5px 5px 0 0;
      transition: 0.3s;
    }
    .tab-btn.active {
      background: #0a5f8f;
      color: white;
    }
    .tab-content {
      display: none;
      padding: 10px;
      border: 1px solid #ddd;
      border-top: none;
    }
    .tab-content.active {
      display: block;
    }

    /* TABLE STYLING */
    .program-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 10px;
    }
    .program-table .date-row {
      background-color: #0a5f8f;
      color: white;
      font-weight: bold;
    }
    .program-table .date-row td {
      padding: 12px;
      font-size: 16px;
    }
    .program-table .session-row td {
      padding: 10px 15px;
      border-bottom: 1px solid #eee;
    }
    .program-table .time-cell {
      color: #0a5f8f;
      font-weight: bold;
      width: 120px;
    }
    .program-table .event-link {
      color: #333;
      text-decoration: none;
      cursor: pointer;
      transition: 0.2s;
    }
    .program-table .event-link:hover {
      color: #0a5f8f;
      text-decoration: underline;
    }
    .program-table tr:nth-child(even):not(.date-row) {
      background: #f9f9f9;
    }

    /* MODAL STYLING */
  .modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 80px; /* Modalı 80px aşağıdan başlat */
    width: 100%;
    height: calc(100% - 80px); /* Üstteki boşluğu düşür */
    background-color: rgba(0,0,0,0.8);
    overflow: auto;
  }
    .modal-content {
      background-color: transparent;
      margin: 5% auto;
      padding: 0;
      width: 80%;
      max-width: 1200px;
      position: relative;
    }
    .close-btn {
      position: absolute;
      right: -15px;
      top: -15px;
      font-size: 30px;
      font-weight: bold;
      color: white;
      cursor: pointer;
      z-index: 1001;
      background: #0a5f8f;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 5px rgba(0,0,0,0.5);
    }
    .video-container {
      position: relative;
      padding-bottom: 56.25%; /* 16:9 aspect ratio */
      height: 0;
      overflow: hidden;
      background: #000;
    }
    .video-container iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border: none;
    }

    /* MOBILE RESPONSIVE */
@media (max-width: 768px) {
  .modal {
    top: 100px; /* Mobilde 100px aşağıdan başlat */
    height: calc(100% - 100px);
    padding-top: 100px;
  }
  
  .modal-content {
    margin: 10px auto; /* Üst boşluğu azalt */
    width: 95%;
  }
  
  .close-btn {
    top: -25px; /* Kapatma butonunu yukarı taşı */
    right: 5px;
  }
  
  .video-container {
    margin-top: 20px; /* Videoya ekstra boşluk */
  }
}