/* ============================================
   Individual blog post
   Title block rule + previous/next navigation
   ============================================ */

/* --------------------------------------------
   Rule between the title block and the content
   The title block holds title, categories, description,
   author and date. A single line separates it from the post.
   -------------------------------------------- */
#title-block-header.quarto-title-block.default {
  border-bottom: 1px solid rgba(128, 128, 128, 0.28);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
}

/* Keep the post readable on a full-width page: the layout goes
   edge to edge, but the prose column stays a comfortable measure. */
main.content > *:not(.quarto-title-block):not(.cell-output-display):not(.image-gallery) {
  max-width: 60rem;
}

main.content > .image-gallery,
main.content > p > img,
main.content > figure {
  max-width: 100%;
}

/* --------------------------------------------
   Display equations
   A long equation is wider than the text column on a phone.
   MathJax does not wrap, so without this it pushes the whole
   page sideways. Let the equation scroll inside its own box.
   -------------------------------------------- */
main.content mjx-container[display="true"] {
  /* MathJax puts an inline min-width on a tagged equation so the number can sit
     at the right edge. That inline value beats max-width, so it has to be
     overridden with !important or the box refuses to shrink. */
  min-width: 0 !important;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.35rem;
}

/* --------------------------------------------
   Previous / next post navigation
   Injected after render by blog-prev-next.py
   -------------------------------------------- */
.post-nav {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: stretch;
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(128, 128, 128, 0.28);
}

.post-nav a {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid rgba(128, 128, 128, 0.25);
  border-radius: var(--border-radius, 0.5rem);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.post-nav a:hover {
  border-color: rgba(128, 128, 128, 0.55);
  transform: translateY(-2px);
}

.post-nav .post-nav-next {
  text-align: right;
  align-items: flex-end;
}

.post-nav .post-nav-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.65;
}

.post-nav .post-nav-title {
  font-weight: 600;
  line-height: 1.35;
}

/* A single neighbour should not stretch across the full row */
.post-nav a:only-child {
  flex: 0 1 50%;
}

.post-nav a:only-child.post-nav-next {
  margin-left: auto;
}

@media (max-width: 640px) {
  .post-nav {
    flex-direction: column;
  }

  .post-nav .post-nav-next {
    text-align: left;
    align-items: flex-start;
  }

  .post-nav a:only-child.post-nav-next {
    margin-left: 0;
  }
}