#themeThumbnailModalBackdrop .resizable-modal {
      resize: both;
      overflow: auto;
      min-width: 900px;
      min-height: 600px;
      max-width: 100vw;
      max-height: 100vh;
      width: 1200px;
      height: 900px;
      box-sizing: border-box;
      position: relative;
      display: flex;
      flex-direction: column;
    }
    #themeThumbnailModalBackdrop .modal-body {
      flex: 1;
      min-height: 0;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 16px;
      overflow: auto;
    }
    #customThemeThumbnailPreview {
      display: none;
      width: 100%;
      height: auto;
      aspect-ratio: 4/3;
      object-fit: contain;
      border-radius: 8px;
      border: 1px solid #334155;
      background: #111827;
      box-sizing: border-box;
      min-width: 120px;
      min-height: 90px;
      max-width: 1200px;
      max-height: 900px;
    }
    #themeThumbnailModalBackdrop .modal-body-inner {
      flex: 1;
      min-height: 0;
      min-width: 0;
      overflow: auto;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #111827;
      border-radius: 8px;
    }