:root {
  --enhancement-accent-color: #fd9827;
  --enhancement-accent-hover-color: #e07d04;
  --enhancement-text-color: #323235;
  --enhancement-surface-color: #ffffff;
  --enhancement-soft-surface-color: #fff2db;
  --enhancement-shadow-color: rgba(28, 34, 42, 0.22);
}

html {
  scroll-behavior: smooth;
}

body #body-inner {
  transform: translateY(0);
}

body.is-page-ready #body-inner {
  animation: content-enter 180ms ease-out both;
}

#body-inner {
  max-width: 1080px;
}

#body-inner p,
#body-inner li {
  line-height: 1.75;
}

#body-inner h2,
#body-inner h3 {
  margin-top: 2rem;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--enhancement-accent-color);
  outline-offset: 3px;
}

#sidebar ul li.active > a {
  border-left: 4px solid var(--enhancement-accent-color);
  font-weight: 600;
}

#body-inner img {
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(28, 34, 42, 0.12);
}

#body-inner table {
  display: block;
  overflow-x: auto;
  box-shadow: 0 10px 24px rgba(28, 34, 42, 0.08);
  white-space: nowrap;
}

#body-inner td,
#body-inner th {
  padding: 0.75rem 1rem;
}

#body-inner th {
  background: var(--enhancement-soft-surface-color);
}

#body-inner a[data-external-link="true"]::after {
  content: " ↗";
  font-size: 0.78em;
}

#navigation a.nav-prev,
#navigation a.nav-next {
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

#navigation a.nav-prev:hover,
#navigation a.nav-next:hover,
#navigation a.nav-prev:focus-visible,
#navigation a.nav-next:focus-visible {
  transform: scale(1.08);
}

.theme-reading-progress {
  background: linear-gradient(90deg, var(--enhancement-accent-color), #ffbd6b);
  height: 4px;
  left: 0;
  position: fixed;
  top: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 120ms ease-out;
  width: 100%;
  z-index: 9999;
}

.theme-back-to-top {
  align-items: center;
  background: var(--enhancement-accent-color);
  border: 0;
  border-radius: 999px;
  bottom: 1.25rem;
  box-shadow: 0 12px 28px var(--enhancement-shadow-color);
  color: #ffffff;
  cursor: pointer;
  display: flex;
  font-size: 1.1rem;
  height: 2.75rem;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  right: 1.25rem;
  transform: translateY(0.75rem);
  transition: opacity 160ms ease, transform 160ms ease, background 160ms ease;
  width: 2.75rem;
  z-index: 9998;
}

.theme-back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.theme-back-to-top:hover {
  background: var(--enhancement-accent-hover-color);
}

.theme-back-to-top:active {
  transform: translateY(0.08rem);
}

@keyframes content-enter {
  from {
    opacity: 0.96;
    transform: translateY(0.35rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body.is-page-ready #body-inner,
  .theme-reading-progress,
  .theme-back-to-top {
    animation: none;
    transition: none;
  }
}

@media only screen and (max-width: 59.938em) {
  #body-inner {
    padding-bottom: 4rem;
  }

  .theme-back-to-top {
    bottom: 1rem;
    right: 1rem;
  }
}