bullet_threading.scss

:root {
  --ls-block-bullet-active-color: var(
    --ls-block-bullet-threading-active-color-overwrite,
    var(--ls-link-text-color)
  );
  --ls-block-bullet-threading-width: var(
    --ls-block-bullet-threading-width-overwrite,
    1px
  );
}

.block-control {
  z-index: 1;
}

.block-children {
  border-left-color: var(--ls-guideline-color);
  // Must override this to make it compatible with other themes
  border-left-width: var(--ls-block-bullet-threading-width) !important;
}

.block-children-container {
  position: relative;
}

.block-children-left-border {
  z-index: 1;
  position: absolute;
  height: 100%;
  width: 4px;
  padding-right: 0px;
  border-radius: 2px;
  background-color: transparent;
  left: -1px;
  transition: background-color 0.2s;
}

.block-children-left-border:hover {
  background-color: var(--ls-block-bullet-active-color);
}

.block-content-wrapper {
  position: relative;
  overflow-x: visible !important; /* Fixme: overflow? */
}

.bullet-container {
  height: 14px !important;
  width: 14px !important;
  position: relative;
  transform: translate(1px, -1px);
}

/* Block bullet path should only show in a nested block */

.ls-block {
  .bullet {
    background-color: var(--ls-block-bullet-active-color);
    box-shadow: 0 0 0 1px var(--ls-block-bullet-active-color);
  }

  div.items-center {
    position: relative;
    height: 26px !important;
  }

  /* Fix for headings like h1, h2 etc */
  > .items-baseline {
    align-items: initial;
  }

  &:not(:focus-within) .bullet {
    background-color: var(--ls-block-bullet-color);
    transform: scale(1);
    box-shadow: none;
  }

  &:not(:focus-within) > .items-baseline {
    align-items: baseline;
  }

  /* Basic "curve" */
  .ls-block > div > div.items-center::before {
    pointer-events: none;
    content: "";
    left: calc(var(--ls-block-bullet-threading-width) * -1);
    right: 20px;
    top: calc(-50% + var(--ls-block-bullet-threading-width) * 0.5 - 1px);
    bottom: 50%;
    /* shift left 1px for border */
    position: absolute;
    border-left: var(--ls-block-bullet-threading-width) solid transparent;
    border-bottom: var(--ls-block-bullet-threading-width) solid transparent;
    border-bottom-left-radius: 10px;
  }

  .ls-block:focus-within > div > div.items-center::before {
    border-color: var(--ls-block-bullet-active-color);
  }

  .block-children > .ls-block::before {
    pointer-events: none;
    content: "";
    top: -1rem;
    bottom: 0;
    border-left: var(--ls-block-bullet-threading-width) solid transparent;
    left: calc(var(--ls-block-bullet-threading-width) * -1);
    position: absolute;
  }

  .block-children:focus-within > .ls-block:not(:focus-within)::before {
    border-color: var(--ls-block-bullet-active-color);
  }

  .block-children:focus-within > .ls-block:focus-within ~ .ls-block::before {
    border-color: transparent;
  }

  /* Fix multi-line blocks with children */
  &[haschild] {
    > div > .block-content-wrapper::before {
      pointer-events: none;
      content: "";
      top: 12px;
      bottom: 0;
      left: -21px;
      position: absolute;
      border-left: var(--ls-block-bullet-threading-width) solid transparent;
    }

    &:focus-within > div > .block-content-wrapper::before {
      border-color: var(--ls-block-bullet-active-color);
    }
  }
}

// A dirty fix for removing threading for the root blocks in embedded
:is(.embed-block > div, .embed-page)
  > div
  > div
  > div
  > div.ls-block
  > div
  > div.items-center::before {
  border-color: transparent !important;
}

// Fix https://github.com/pengx17/logseq-plugin-bullet-threading/issues/1
@media (max-width: 640px) {
  .ls-block[haschild] > div > .block-content-wrapper::before {
    left: -11px;
  }
}

/* Disable for doc mode */
.doc-mode div.items-center::before,
.doc-mode div.items-center::after,
.doc-mode .ls-block::before,
.doc-mode .ls-block::after {
  display: none;
}
.doc-mode .block-children {
  border-left-width: 0px !important;
}