body {
      margin: 0;
      overflow: hidden;
      background-color: #000;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
    }

    canvas {
      display: block;
    }

    #upload-icon-container {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 10;
      font-family: sans-serif;
      color: #fff;
      text-align: center;
      cursor: pointer;
      font-size: 60px;
      /* Adjust size as needed */
      border: 1px solid #fff;
      /* padding: 20px; */
      height: 55px;
      width: 55px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: rgba(0, 0, 0, 0.5);
    }

    #file-info-bottom {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 10;
      font-family: sans-serif;
      color: #fff;
      font-size: 14px;
      background-color: rgba(0, 0, 0, 0.5);
      padding: 5px 10px;
      border-radius: 4px;
      display: none;
      /* Hidden initially */
      align-items: center;
    }

    #file-name-bottom {
      margin-right: 8px;
      /* Space between file name and remove button */
    }

    #remove-file-bottom {
      cursor: pointer;
      font-weight: bold;
    }

    #hidden-file-input {
      display: none;
      /* Hide the actual file input */
    }

    /* Instruction icon (uses native title attribute for tooltip) */
    #tooltip-container {
      position: absolute;
      bottom: 20px;
      right: 20px;
      /* moved to right bottom */
      left: auto;
      cursor: pointer;
      color: #fff;
      z-index: 10;
      font-size: 20px;
    }

    /* Popup styles for song selection */
    .popup {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.7);
      justify-content: center;
      align-items: center;
      z-index: 50;
    }

    .popup-content {
      background: #0f0f10;
      color: #fff;
      padding: 18px;
      border-radius: 8px;
      width: min(540px, 90%);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
      position: relative;
    }

    .popup-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }

    .popup-header h2 {
      margin: 0;
      font-size: 18px;
    }

    .close-modal-btn {
      background: none;
      border: none;
      color: #fff;
      font-size: 20px;
      cursor: pointer;
      padding: 0;
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .song-list ul {
      list-style: none;
      padding: 0;
      margin: 0 0 10px 0;
      max-height: 240px;
      overflow: auto;
    }

    .song-list li {
      padding: 8px 10px;
      margin: 6px 0;
      background: #151517;
      border-radius: 6px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .song-list li:hover {
      background: #1f1f21;
    }

    .song-item-content {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .play-icon {
      color: #fff;
      font-size: 14px;
    }