DiscoTOC style is broken if there is no reply on mobile

Contribute UX
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4

Hello :wave:

This is great thanks, but I think we can make it with only CSS too. :thinking: We just have to use the same CSS on .topic-navigation which used on .with-topic-progress. The missing .with-topic-progress class is blocking the style if there is no reply in the topic.

Something like this should work.

Mobile CSS

// Sticky Topic Navigation
.container.posts .topic-navigation:not(.with-topic-progress) {
  position: sticky;
  bottom: calc(env(safe-area-inset-bottom) + var(--composer-height, 0px));
  z-index: z("timeline");
  pointer-events: none; // the wrapper can block mobile controls
  
  > * {
    pointer-events: auto; // this unsets the above rule so the child elements are interactive
  }
  
  // Add TOC Style
  .d-toc-wrapper {
    position: fixed;
    margin-top: 0.25em;
    height: calc(100vh - 50px - var(--header-offset));
    opacity: 0.5;
    right: -100vw;
    top: var(--header-offset);
    width: 75vw;
    max-width: 350px;
    background-color: var(--secondary);
    box-shadow: var(--shadow-dropdown);
    z-index: z("modal", "overlay");
    transition: all 0.2s ease-in-out;

    .d-toc-main {
      width: 100%;
      padding: 0.5em;
      height: 100%;

      #d-toc {
        max-height: calc(100% - 3em);
      }
    }

    &.overlay {
      right: 0;
      width: 75vw;
      opacity: 1;

      .d-toc-main #d-toc li.d-toc-item ul {
        transition: none;
      }
    }

    a.scroll-to-bottom,
    a.d-toc-close {
      display: inline-block;
      padding: 0.5em;
    }

    .d-toc-icons {
      text-align: right;
    }
  }
}

// RTL Support
.rtl {
  .topic-navigation .d-toc-wrapper {
    right: unset;
    left: -100vw;

    &.overlay {
      right: unset;
      left: 0;
    }
  }
}
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