  .videotape-chart {
      position: relative;
  }

  .videotape-chart-placeholder {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, #f0f0f0 0%, #f8f8f8 50%, #f0f0f0 100%);
      background-size: 200% 100%;
      animation: shimmer 1.5s ease-in-out infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #666;
      font-size: 14px;
      z-index: 1;
  }

  @keyframes shimmer {
      0% {
          background-position: -200% 0;
      }

      100% {
          background-position: 200% 0;
      }
  }