.popup-tb-sk {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .popup-tb-sk.show-tb-sk {
    visibility: visible;
    opacity: 1;
  }

  .popup-content-tb-sk {
    position: relative;
    max-width: 500px;
    width: 90%;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    animation: popup-zoom-tb-sk 0.35s ease;
  }

  .popup-image-tb-sk {
    display: block;
    width: 100%;
    height: auto;
  }

  .popup-close-tb-sk {
    position: absolute;
    top: 10px;
    right: 12px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 22px;
    font-weight: bold;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
    padding: 0;
    line-height: 1;
  }

  .popup-close-tb-sk:hover {
    background: rgba(0, 0, 0, 0.8);
  }

  @keyframes popup-zoom-tb-sk {
    from {
      transform: scale(0.8);
      opacity: 0;
    }
    to {
      transform: scale(1);
      opacity: 1;
    }
  }

  @media (max-width: 600px) {
    .popup-content-tb-sk {
      max-width: 95%;
      border-radius: 12px;
    }
    .popup-close-tb-sk {
      top: 6px;
      right: 8px;
      width: 32px;
      height: 32px;
      font-size: 20px;
    }
  }