blockquote {
  margin: 1.2em 0;
  padding: 0.4em 1em;
  border-left: 0.3em solid #c8c8c8;
  background: rgba(0, 0, 0, 0.22);
}

blockquote > :first-child {
  margin-top: 0;
}
blockquote > :last-child {
  margin-bottom: 0;
}

.figure {
  width: min(600px, 90vw);
  min-height: min(400px, 60vh);
  border-radius: 12px;
  overflow: visible;
  /* softened shadow using charcoal tones */
  box-shadow: 0 18px 40px rgba(51, 51, 51, 0.8);
  margin: 1.5rem auto;
  padding: 1rem;
  background: radial-gradient(circle at top left, #333333, #1a1a1a);
}

/* Demo-specific: this one has its own internal sizing; don't force extra vertical space */
#demo_020_division.figure {
  min-height: 0;
}

.tooltip {
  position: absolute;
  z-index: 1000;
  padding: 4px 10px;
  background: rgba(51, 51, 51, 0.95); /* dark grey backdrop */
  color: #fffaf0; /* light ivory text */
  border-radius: 6px;
  font-size: 0.9rem;
  pointer-events: none;
  white-space: nowrap;
  transform: translate(-50%, -110%);
  display: none;
  border: 1px solid #887788; /* golden accent border */
}

body {
  margin: 0;
  font-family: "Ubuntu Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "wdth" 100;
  line-height: 1.6;
  /* deep charcoal gradient for the page */
  background: radial-gradient(circle at top, #1a1a1a, #000000);
  color: #fffaf0; /* light text for strong contrast */
}

.site-header {
  max-width: 80ch;
  margin: 1.25rem auto 0;
  padding: 0 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(255, 250, 240, 0.85);
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(136, 119, 136, 0.4);
  background: rgba(0, 0, 0, 0.25);
  text-decoration: none;
  color: #887788;
  font-weight: 600;
  transition: background 150ms ease, border-color 150ms ease,
    box-shadow 150ms ease;
}

.home-link::before {
  content: "←";
  display: inline-block;
  transform: translateY(-0.16em);
}

.home-link:hover,
.home-link:focus-visible {
  background: rgba(136, 119, 136, 0.12);
  border-color: rgba(136, 119, 136, 0.7);
}

.home-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(136, 119, 136, 0.18);
}

.post-meta {
  margin-left: auto;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(136, 119, 136, 0.25);
  background: rgba(0, 0, 0, 0.22);
  font-size: 0.92rem;
  color: #887788;
}

.post-meta:empty {
  display: none;
}

.support-link {
  margin: 2rem 0 0;
  padding: 1.25rem 1rem;
  border: 1px solid rgba(136, 119, 136, 0.28);
  background: rgba(0, 0, 0, 0.18);
  border-radius: 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.support-link p {
  margin: 0;
  max-width: 60ch;
  color: rgba(255, 250, 240, 0.78);
}

.support-contact {
  max-width: none;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.18em;
}

.support-contact a {
  color: rgba(235, 214, 255, 0.92);
  text-decoration: underline;
  text-decoration-color: rgba(149, 108, 180, 0.6);
  text-underline-offset: 0.22em;
}

.support-contact a:hover,
.support-contact a:focus-visible {
  color: rgba(235, 214, 255, 1);
  text-decoration-color: rgba(149, 108, 180, 0.85);
}

.support-contact a:focus-visible {
  border-radius: 6px;
  outline: 2px solid rgba(149, 108, 180, 0.35);
  outline-offset: 3px;
}

.email-svg {
  height: 1.05em;
  width: auto;
  display: inline-block;
  transform: translateY(0.08em);
}

.support-link .support-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(149, 108, 180, 0.85);
  background: rgba(149, 108, 180, 0.35);
  color: rgba(255, 250, 240, 0.96);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
  transition: background 150ms ease, border-color 150ms ease,
    box-shadow 150ms ease;
  box-shadow: 0 10px 30px rgba(149, 108, 180, 0.18);
}

.support-link .support-cta:hover,
.support-link .support-cta:focus-visible {
  background: rgba(149, 108, 180, 0.48);
  border-color: rgba(149, 108, 180, 1);
  box-shadow: 0 14px 38px rgba(149, 108, 180, 0.26);
}

.support-link .support-cta:focus-visible {
  box-shadow: 0 0 0 3px rgba(149, 108, 180, 0.25),
    0 14px 38px rgba(149, 108, 180, 0.26);
}

.post-meta-sep {
  margin: 0;
  opacity: 0.55;
}

.post-date {
  font-variant-numeric: tabular-nums;
  color: inherit;
}

.post-author {
  color: inherit;
  font-weight: 600;
}

main.article {
  max-width: 80ch;
  margin: 3rem auto;
  margin-top: 1rem;
  padding: 2.5rem 2rem;
  background: rgba(51, 51, 51, 0.94); /* charcoal card */
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  border-radius: 18px;
  border: 1px solid rgba(136, 119, 136, 0.4); /* subtle gold outline */
  /* Enable container query units (cqw, cqh, etc.) for responsive typography inside */
  container-type: inline-size;
}

/* Keep images from overflowing the article container */
main.article img {
  max-width: 100%;
  height: auto;
}

/* Allow long URLs (especially in footnotes) to wrap instead of causing horizontal scroll */
main.article a {
  overflow-wrap: break-word;
  word-break: break-all;
}

/* Center standalone images placed inside paragraphs (common Pandoc/Markdown output) */
main.article p > img {
  display: block;
  margin: 1rem auto;
}

/* default math to gray; mathcolor filter overrides specific tokens */
mjx-container {
  color: #cbb7be;
}

/* headline styling with gold */
.article-title {
  font-family: "Bungee Hairline", sans-serif;
  font-weight: 800;
  font-style: normal;
  margin-top: 0;
  margin-bottom: 1.5rem;
  text-align: center;
  text-wrap: balance;
  font-size: clamp(2rem, 3vw, 4rem);
  letter-spacing: 0em;
  text-shadow: 3 2 56px rgba(207, 50, 186, 0.14);
}

.footnote-ref,
.footnote-back {
  text-decoration: none;
}

/* Prevent superscript footnote markers from changing paragraph line spacing */
.footnote-ref sup {
  line-height: 0;
}

/* anchor links */

.header-anchor {
  opacity: 0;
  text-decoration: none;
  margin-right: 0.4rem;
  font-size: 0.9em;
}
h2:hover .header-anchor,
h3:hover .header-anchor,
h4:hover .header-anchor {
  opacity: 1;
}

/* === For the table of contents === */
/* Table of Contents Indicator */
.toc-indicator {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 1rem 0.5rem 2rem;
  opacity: 0.4;
  transition: opacity 0.2s ease;
  cursor: pointer;
}

.toc-indicator:hover {
  opacity: 1;
}

.toc-indicator:hover .toc-item {
  width: auto;
  padding-right: 0.75rem;
}

.toc-indicator:hover .toc-label {
  opacity: 1;
  max-width: 200px;
  padding-left: 0.5rem;
}

.toc-item {
  display: flex;
  align-items: center;
  cursor: pointer;
  width: 4px;
  border-radius: 2px;
  background: var(--toc-bg, rgba(128, 128, 128, 0.9));
  transition: all 0.25s ease;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  white-space: nowrap;
}

.toc-item:hover {
  background: var(--toc-hover, rgba(128, 128, 128, 1));
}

.toc-item.active {
  background: var(--toc-active, #3b82f6);
}

.toc-item.active .toc-label {
  font-weight: 600;
}

.toc-dot {
  min-width: 4px;
  height: 1.25rem;
  flex-shrink: 0;
}

.toc-item[data-level="3"] .toc-dot {
  height: 0.75rem;
}

.toc-label {
  font-size: 0.75rem;
  opacity: 0;
  max-width: 0;
  transition: all 0.25s ease;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 900px) {
  .toc-indicator {
    display: none;
  }
}

/* Mobile: let figures break out of article padding for full-width display */
@media (max-width: 700px) {
  main.article {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .figure {
    /* Needed because `.figure` has padding; without border-box the mobile "break-out"
       width math can make the border box wider than the viewport and reintroduce
       horizontal scrolling (most noticeable in the simpler demo_010). */
    box-sizing: border-box;
    width: calc(
      100% + 2rem
    ); /* extend beyond the article's 1rem padding on each side */
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0; /* flush to edges looks cleaner on mobile */
  }

  /* Stack demo_020_division (horizontal flex) vertically on mobile */
  #demo_020_division {
    flex-direction: column !important;
  }
  #demo_020_division > div:first-child {
    flex: 0 0 auto !important;
    width: 100% !important;
    min-width: 0 !important;
  }
  #demo_020_division > div:last-child {
    min-height: 280px;
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden;
  }
  #demo_020_division > div:last-child canvas {
    max-width: 100%;
  }

  /* Demo 030: stack Cost + Population vertically on mobile (JS sets a fixed 360px row height) */
  #demo_030_optimal_government .demo030-row {
    flex-direction: column !important;
    height: auto !important;
  }
  /* Give each plot a real height so it participates in document flow and pushes text down */
  #demo_030_optimal_government .demo030-host--cost,
  #demo_030_optimal_government .demo030-host--three {
    height: 320px;
  }

  /* Stack demo_025_partitions layout vertically */
  #demo_025_partitions .p25-row {
    flex-direction: column;
    /* demo_025_partitions injects `height: 360px` via a <style> tag at runtime.
       On mobile (stacked), that fixed height makes the 3D view spill out and overlap
       the content below. Force auto height here. */
    height: auto !important;
  }
  #demo_025_partitions .p25-panel--grid {
    flex: 0 0 auto !important;
  }
  #demo_025_partitions .p25-panel--three {
    flex: 0 0 auto !important;
    height: 300px;
  }
  #demo_025_partitions .p25-threeHost {
    height: 100%;
  }
}