.page,
.page-wrapper,
#mdbook-page-wrapper,
#mdbook-content,
.nav-wide-wrapper {
  background: var(--paper-canvas);
}

.menu-bar,
#mdbook-menu-bar,
#mdbook-menu-bar-hover-placeholder {
  background: color-mix(in srgb, var(--paper-panel) 92%, white 8%);
  border-bottom: 1px solid var(--line-quiet);
  margin: 0;
}

.menu-bar.sticky,
#mdbook-menu-bar.sticky {
  backdrop-filter: blur(10px);
}

.menu-title {
  font-family: var(--reading-body-font);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-muted);
}

.icon-button,
.right-buttons a,
.left-buttons label,
.left-buttons button {
  color: var(--ink-muted);
  border-radius: 999px;
}

.icon-button:hover,
.icon-button:focus-visible,
.right-buttons a:hover,
.right-buttons a:focus-visible,
.left-buttons label:hover,
.left-buttons label:focus-visible,
.left-buttons button:hover,
.left-buttons button:focus-visible {
  color: var(--accent-red);
  background: var(--accent-red-ghost);
}

.theme-popup {
  border: 1px solid var(--line-soft);
  background: var(--paper-search);
  box-shadow: none;
}

.theme-popup button {
  color: var(--ink-main);
}

.theme-popup button:hover,
.theme-popup button:focus-visible {
  color: var(--accent-red);
  background: var(--accent-red-ghost);
}

#mdbook-search-wrapper {
  background: transparent;
}

.searchbar-outer,
.searchresults-outer {
  max-width: min(56rem, calc(100vw - 3rem));
  margin-inline: auto;
}

.search-wrapper,
#mdbook-searchresults-outer {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--paper-search);
  box-shadow: none;
}

#mdbook-searchbar {
  color: var(--ink-main);
  background: transparent;
  font-family: var(--reading-body-font);
}

#mdbook-searchbar::placeholder {
  color: var(--ink-faint);
}

.searchresults-header,
#mdbook-searchresults li {
  color: var(--ink-main);
}

#mdbook-searchresults li {
  border-top: 1px solid var(--line-quiet);
}

#mdbook-searchresults a {
  color: inherit;
}

#mdbook-searchresults a:hover,
#mdbook-searchresults a:focus-visible {
  color: var(--accent-red);
}

.sidebar,
.sidebar-iframe-inner,
.sidebar-scrollbox {
  background: var(--shell-graphite);
  color: var(--sidebar-fg);
}

.sidebar {
  border-inline-end: 1px solid var(--shell-graphite-edge);
  box-shadow: none;
}

.sidebar-iframe-inner {
  font-family: var(--reading-mono-font);
}

.chapter {
  font-family: var(--reading-mono-font);
  text-transform: none;
  letter-spacing: 0;
}

.chapter li,
.chapter-item {
  letter-spacing: 0;
  text-transform: none;
}

.chapter a,
.chapter .chapter-link-wrapper > a {
  color: rgba(240, 240, 240, 0.88);
  text-decoration: none;
}

.chapter li.chapter-item {
  margin: 0.16rem 0;
}

.chapter ul,
.chapter ol {
  padding-inline-start: 1rem;
}

.chapter .chapter-link-wrapper {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.18rem 0.28rem;
  border-left: 4px solid transparent;
  border-radius: 0.22rem;
  justify-content: flex-start;
}

.chapter .chapter-link-wrapper > a {
  flex: 0 1 auto;
}

.chapter li a:hover,
.chapter li a:focus-visible,
.chapter li a:hover + .chapter-link-wrapper,
.chapter .chapter-link-wrapper:hover {
  color: #ffffff;
  text-decoration: none;
}

.chapter li .chapter-link-wrapper:hover,
.chapter li .chapter-link-wrapper:focus-within {
  background: rgba(255, 255, 255, 0.06);
}

.chapter li a.active,
.chapter li a[aria-current="page"] {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.chapter li:has(> .chapter-link-wrapper > a.active) > .chapter-link-wrapper,
.chapter li:has(> .chapter-link-wrapper > a[aria-current="page"]) > .chapter-link-wrapper,
.chapter li > a.active,
.chapter li > a[aria-current="page"] {
  background: rgba(0, 0, 0, 0.18);
  border-left-color: var(--accent-red-soft);
}

.chapter .chapter-fold-toggle {
  color: rgba(240, 240, 240, 0.58);
  border-radius: 999px;
  margin-inline-start: 0;
  padding: 0 0.18rem 0 0.05rem;
  flex: 0 0 auto;
}

.chapter .chapter-fold-toggle:hover,
.chapter .chapter-fold-toggle:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-chapters,
.mobile-nav-chapters {
  color: var(--accent-red);
  background: transparent;
}

.nav-chapters:hover,
.nav-chapters:focus-visible,
.mobile-nav-chapters:hover,
.mobile-nav-chapters:focus-visible {
  color: var(--accent-red-soft);
  background: transparent;
}

.nav-wrapper,
.nav-wide-wrapper {
  border: 0;
}

.scroll-to-top {
  color: var(--paper-panel) !important;
  background: var(--accent-red) !important;
  box-shadow: none !important;
}

@media (max-width: 1080px) {
  .menu-title {
    font-size: 0.95rem;
  }
}