/* One article navigation menu: sticky sidebar or a compact floating disclosure. */
.resource-page {
  --toc-surface: #fafbfc;
  --toc-border: #dce2eb;
  --toc-text: #333;
  --toc-accent: #0039a6;
  --toc-selected: #e9effb;
}

html[data-theme="dark"] .resource-page {
  --toc-surface: #1e2128;
  --toc-border: #3a3f4d;
  --toc-text: #e4e6eb;
  --toc-accent: #8ab4ff;
  --toc-selected: #29364d;
}

#resources #resource-toc { margin-bottom: 1rem; min-width: 0; }
#resources #resource-toc[hidden], #resources #resource-toc .resource-toc__controls[hidden] { display: none; }
#resources #resource-toc .resource-toc__box {
  background: var(--toc-surface);
  border: 1px solid var(--toc-border);
  border-radius: 10px;
  color: var(--toc-text);
  padding: 0;
  overflow: hidden;
}
#resources #resource-toc .resource-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.75rem;
  box-sizing: border-box;
  padding: 0.6rem 0.85rem;
  background: transparent;
  color: var(--toc-text);
  font-size: var(--site-font-meta);
  font-weight: 400;
  cursor: pointer;
  list-style: none;
}
#resources #resource-toc summary::-webkit-details-marker { display: none; }
#resources #resource-toc .resource-toc__summary::after { content: '+'; font-size: 1.1em; }
#resources #resource-toc details[open] > summary::after { content: '−'; }
#resources #resource-toc .resource-toc__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0 0.85rem 0.6rem;
  font-size: 0.8125rem;
}
#resources #resource-toc select {
  max-width: 100%;
  border: 1px solid var(--toc-border);
  border-radius: 5px;
  padding: 0.25rem 0.4rem;
  background: var(--toc-surface);
  color: var(--toc-text);
  font: inherit;
}
#resources #resource-toc .resource-toc__inner {
  max-height: min(60vh, 32rem);
  max-height: min(60dvh, 32rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  padding: 0.4rem;
  border-top: 1px solid var(--toc-border);
  background: var(--toc-surface);
  font-size: 0.8125rem;
  line-height: 1.4;
}
#resources #resource-toc #TableOfContents ul {
  padding: 0 !important;
  margin: 0;
  list-style: none;
}
#resources #resource-toc #TableOfContents li {
  margin: 0;
  padding: 0;
  list-style: none;
}
#resources #resource-toc #TableOfContents a {
  display: block;
  padding: 0.35rem 0.55rem;
  padding-left: calc(0.55rem + var(--toc-depth, 0) * 0.7rem);
  border-left: 2px solid transparent;
  border-radius: 4px;
  color: var(--toc-text);
  overflow-wrap: anywhere;
  text-decoration: none;
}
#resources #resource-toc #TableOfContents a:hover,
#resources #resource-toc #TableOfContents a[aria-current="location"] {
  color: var(--toc-accent);
  background: var(--toc-selected);
}
#resources #resource-toc #TableOfContents a[aria-current="location"] { border-left-color: var(--toc-accent); }
#resources #resource-toc :is(summary, select, a):focus-visible {
  outline: 2px solid var(--toc-accent);
  outline-offset: -2px;
}
#resource-body :is(h1, h2, h3, h4),
#resource-body .section[id] { scroll-margin-top: 1.25rem; }
.resource-reading-layout > .resource-body { min-width: 0; }

.resource-page[data-toc-mode="floating"] #resources #resource-toc {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 20;
  width: max-content;
  max-width: calc(100vw - 2rem);
  margin: 0;
}
.resource-page[data-toc-mode="floating"] #resources #resource-toc .resource-toc__box {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}
.resource-page[data-toc-mode="floating"] #resources #resource-toc details[open] {
  width: min(22rem, calc(100vw - 2rem));
}

@media (min-width: 1100px) {
  .resource-page[data-toc-mode="sidebar"] .resource-shell {
    max-width: 1080px;
    width: calc(100% - 3rem);
  }
  .resource-page[data-toc-mode="sidebar"] .resource-shell > :is(.header, .site-navigation) {
    max-width: 760px;
  }
  .resource-page[data-toc-mode="sidebar"] #resources .resource-post { max-width: none; }
  .resource-page[data-toc-mode="sidebar"] .resource-reading-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 16rem;
    gap: 2rem;
    align-items: start;
  }
  .resource-page[data-toc-mode="sidebar"] .resource-body { grid-column: 1; grid-row: 1; }
  .resource-page[data-toc-mode="sidebar"] #resources #resource-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 1rem;
    margin: 0;
  }
  .resource-page[data-toc-mode="sidebar"] #resources #resource-toc .resource-toc__inner {
    max-height: calc(100vh - 9rem);
    max-height: calc(100dvh - 9rem);
  }
}

@media (max-width: 1099px) {
  #resources #resource-toc .resource-toc__controls { display: none; }
}

@media print {
  #resources #resource-toc { display: none; }
  .resource-page .resource-reading-layout { display: block !important; }
  .resource-page .resource-shell { width: 100% !important; max-width: none !important; }
}