.tox-sidebar when (@custom-properties-enabled = true) {
  --tox-private-sidebar-header-box-shadow: 0 4px 8px 0 hsl( from var(--tox-private-color-black) h s l / 10%);
  --tox-private-sidebar-border-color: hsl( from var(--tox-private-background-color) h s calc(l - 11));
}

@sidebar-header-box-shadow: 0 4px 8px 0 fade(@color-black, 10%);

.tox {
  .tox-sidebar-content {
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100%;
    min-width: 300px;
    max-width: 300px;
    width: 300px;
    border-left: 1px solid var(--tox-private-separator-color, @tinymce-separator-color);

    &--wide {
      min-width: 440px;
      max-width: 440px;
      width: 440px;
    }
  }

  .tox-sidebar-content__header {
    align-items: center;
    display: flex;
    justify-content: space-between;
    border-bottom: var(--tox-private-tinymceai-border-width, @tinymceai-border-width) solid var(--tox-private-neutral-20, darken(@background-color, 11%));
    padding: var(--tox-private-pad-sm, @pad-sm) 12px;
    background: var(--tox-private-background-color, @background-color);
    z-index: 1;
    .tox-sidebar-content__header-close-button {
      margin-left: auto;
    }
  }

  .tox-sidebar-content__title {
    font-size: var(--tox-private-font-size-lg, @font-size-lg);
    font-weight: var(--tox-private-font-weight-normal, @font-weight-normal);
    padding: var(--tox-private-pad-sm, @pad-sm) 0 var(--tox-private-pad-sm, @pad-sm) 0;
    color: var(--tox-private-text-color, @text-color);
    line-height: 28px;
  }
}