.spe-main {
  width: 100%;
  height: 100%;
  border: 1px solid #ddd;
  display: flex;
  flex-direction: column;

  * {
    box-sizing: border-box;
  }

  .spe-toolbar {
    width: 100%;
    background: #dedede;
    padding: 5px 10px;
    border-bottom: 1px solid #dddddd;

    .spe-toolbar-item {
      cursor: pointer;
      padding: 5px;
      display: inline-block;
      margin-right: 5px;

      &:hover {
        background: #bfbfbf;
      }

      svg {
        height: 24px;
        width: 24px;
        user-select: none;
        pointer-events: none;
      }
    }
  }

  .spe-canvas-wrapper {
    flex-grow: 1;
    flex-shrink: 0;
    position: relative;

    canvas {
      position: absolute;
      top: 50%;
      left: 50%;
      display: block;
      max-width: calc(100% - 40px);
      transform: translate(-50%, -50%);
      max-height: calc(100% - 40px);
    }
  }

  .spe-sub-toolbar {
    max-height: 100px;
    height: 100px;
    flex-shrink: 0;
    width: 100%;
    background: #f2f2f2;
    border-bottom: 1px solid #dddddd;
    overflow: hidden;
    display: none;
  }
}
.spe-disabled {
  opacity: 0.5;
  user-select: none;
  pointer-events: none;
}