quartz-website/quartz/components/styles/explorer.scss

@use "../../styles/variables.scss" as *;

@media all and ($mobile) {
  .page > #quartz-body {
    // Shift page position when toggling Explorer on mobile.
    & > :not(.sidebar.left:has(.explorer)) {
      transform: translateX(0);
      transition: transform 300ms ease-in-out;
    }
    &.lock-scroll > :not(.sidebar.left:has(.explorer)) {
      transform: translateX(100dvw);
      transition: transform 300ms ease-in-out;
    }

    // Sticky top bar (stays in place when scrolling down on mobile).
    .sidebar.left:has(.explorer) {
      box-sizing: border-box;
      position: sticky;
      background-color: var(--light);
    }

    // Hide Explorer on mobile until done loading.
    // Prevents ugly animation on page load.
    .hide-until-loaded ~ #explorer-content {
      display: none;
    }
  }
}

.explorer {
  display: flex;
  height: 100%;
  flex-direction: column;
  overflow-y: hidden;

  @media all and ($mobile) {
    order: -1;
    height: initial;
    overflow: hidden;
    flex-shrink: 0;
    align-self: flex-start;
  }

  button#mobile-explorer {
    display: none;
  }

  button#desktop-explorer {
    display: flex;
  }

  @media all and ($mobile) {
    button#mobile-explorer {
      display: flex;
    }

    button#desktop-explorer {
      display: none;
    }
  }

  &.desktop-only {
    @media all and not ($mobile) {
      display: flex;
    }
  }

  /*&:after {
    pointer-events: none;
    content: "";
    width: 100%;
    height: 50px;
    position: absolute;
    left: 0;
    bottom: 0;
    opacity: 1;
    transition: opacity 0.3s ease;
    background: linear-gradient(transparent 0px, var(--light));
  }*/
}

button#mobile-explorer,
button#desktop-explorer {
  background-color: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 0;
  color: var(--dark);
  display: flex;
  align-items: center;

  & h2 {
    font-size: 1rem;
    display: inline-block;
    margin: 0;
  }

  & .fold {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
    opacity: 0.8;
  }

  &.collapsed .fold {
    transform: rotateZ(-90deg);
  }
}

.folder-outer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease-in-out;
}

.folder-outer.open {
  grid-template-rows: 1fr;
}

.folder-outer > ul {
  overflow: hidden;
}

#explorer-content {
  list-style: none;
  overflow: hidden;
  overflow-y: auto;
  max-height: 0px;
  transition:
    max-height 0.35s ease,
    visibility 0s linear 0.35s;
  margin-top: 0.5rem;
  visibility: hidden;

  &.collapsed {
    max-height: 100%;
    transition:
      max-height 0.35s ease,
      visibility 0s linear 0s;
    visibility: visible;
  }

  & ul {
    list-style: none;
    margin: 0.08rem 0;
    padding: 0;
    transition:
      max-height 0.35s ease,
      transform 0.35s ease,
      opacity 0.2s ease;

    & li > a {
      color: var(--dark);
      opacity: 0.75;
      pointer-events: all;
    }
  }

  > #explorer-ul {
    max-height: none;
  }
}

svg {
  pointer-events: all;

  & > polyline {
    pointer-events: none;
  }
}

.folder-container {
  flex-direction: row;
  display: flex;
  align-items: center;
  user-select: none;

  & div > a {
    color: var(--secondary);
    font-family: var(--headerFont);
    font-size: 0.95rem;
    font-weight: $semiBoldWeight;
    line-height: 1.5rem;
    display: inline-block;
  }

  & div > a:hover {
    color: var(--tertiary);
  }

  & div > button {
    color: var(--dark);
    background-color: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    padding-left: 0;
    padding-right: 0;
    display: flex;
    align-items: center;
    font-family: var(--headerFont);

    & span {
      font-size: 0.95rem;
      display: inline-block;
      color: var(--secondary);
      font-weight: $semiBoldWeight;
      margin: 0;
      line-height: 1.5rem;
      pointer-events: none;
    }
  }
}

.folder-icon {
  margin-right: 5px;
  color: var(--secondary);
  cursor: pointer;
  transition: transform 0.3s ease;
  backface-visibility: visible;
}

li:has(> .folder-outer:not(.open)) > .folder-container > svg {
  transform: rotate(-90deg);
}

.folder-icon:hover {
  color: var(--tertiary);
}

.no-background::after {
  background: none !important;
}

#explorer-end {
  // needs height so IntersectionObserver gets triggered
  height: 4px;
  // remove default margin from li
  margin: 0;
}

.explorer {
  @media all and ($mobile) {
    #explorer-content {
      box-sizing: border-box;
      overscroll-behavior: none;
      z-index: 100;
      position: absolute;
      top: 0;
      background-color: var(--light);
      max-width: 100dvw;
      left: -100dvw;
      width: 100%;
      transition: transform 300ms ease-in-out;
      overflow: hidden;
      padding: $topSpacing 2rem 2rem;
      height: 100dvh;
      max-height: 100dvh;
      margin-top: 0;
      visibility: hidden;

      &:not(.collapsed) {
        transform: translateX(100dvw);
        visibility: visible;
      }

      ul.overflow {
        max-height: 100%;
        width: 100%;
      }

      &.collapsed {
        transform: translateX(0);
        visibility: visible;
      }
    }

    #mobile-explorer {
      margin: 5px;
      z-index: 101;

      &:not(.collapsed) .lucide-menu {
        transform: rotate(-90deg);
        transition: transform 200ms ease-in-out;
      }

      .lucide-menu {
        stroke: var(--darkgray);
        transition: transform 200ms ease;

        &:hover {
          stroke: var(--dark);
        }
      }
    }
  }
}

.no-scroll {
  opacity: 0;
  overflow: hidden;
}

html:has(.no-scroll) {
  overflow: hidden;
}

@media all and not ($mobile) {
  .no-scroll {
    opacity: 1 !important;
    overflow: auto !important;
  }

  html:has(.no-scroll) {
    overflow: auto !important;
  }
}