html:has(body[data-content-format='visual-article']) {
  scrollbar-gutter: stable;
}

body[data-content-format='visual-article'] .site-main {
  grid-template-columns: minmax(0, 1fr);
}

body[data-content-format='visual-article'] .site-header nav,
body[data-content-format='visual-article'] .site-header nav > ul {
  flex-wrap: wrap;
}

body[data-content-format='visual-article'] .site-header nav > ul {
  min-width: 0;
  justify-content: flex-end;
}

.visual-article {
  --visual-header-height: 4.5rem;
  --visual-toolbar-height: 0rem;
  --visual-navigation-height: calc(var(--visual-header-height) + 1rem);
  padding: 0;
  margin: 0;
  background: transparent;
  box-shadow: none;
  overflow-wrap: anywhere;
}

.visual-article__intro {
  display: flow-root;
  margin: 0;
  padding: 1.5rem 0 2rem;
  background: transparent;
}

.visual-article__intro h1 {
  max-width: 24ch;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.15;
  text-wrap: balance;
}

.visual-article__intro > p {
  max-width: 68ch;
}

.visual-article__intro > p:has(> img:only-child) {
  float: right;
  width: calc((100% - 2rem) / 2);
  max-width: none;
  margin: 0 0 1rem 2rem;
}

.visual-article__intro > p > img:only-child {
  display: block;
  width: 100%;
  height: auto;
}

.visual-article__hint,
.visual-article__swipe-hint,
.visual-slide__figure figcaption {
  color: var(--pico-muted-color);
  font-size: 0.9rem;
}

visual-article-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  justify-items: center;
  gap: 0.4rem;
}

visual-article-controls[hidden] {
  display: none;
}

.visual-article__toolbar {
  display: none;
  position: fixed;
  top: calc(var(--visual-header-height) + 16px);
  left: var(--visual-panel-left, 100vw);
  width: 4.25rem;
  z-index: 15;
  padding: 0.5rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: 0.75rem;
  background: var(--pico-background-color);
  box-shadow: 0 0.3rem 1rem rgb(0 0 0 / 10%);
  font-size: 0.7rem;
  text-align: center;
}

.visual-article[data-navigation-panel='visible'] .visual-article__toolbar {
  display: grid;
  gap: 0.5rem;
}

.visual-article__toolbar button {
  width: 100%;
  padding: 0.45rem 0.2rem;
  margin: 0;
  font-size: 0.65rem;
  line-height: 1.35;
  overflow-wrap: normal;
  text-wrap: balance;
}

.visual-article__inline-mode {
  margin-block: 1rem;
}

.visual-article[data-navigation-panel='visible'] .visual-article__inline-mode {
  display: none;
}

.visual-article__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  flex-shrink: 0;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: 0.5rem;
  text-decoration: none;
}

.visual-article__index {
  margin-top: 1.5rem;
}

.visual-article__index ol {
  columns: 2;
  column-gap: 3rem;
}

.visual-article__index li {
  break-inside: avoid;
  margin-block: 0.5rem;
}

.visual-slide,
.visual-article [id] {
  scroll-margin-top: var(--visual-navigation-height);
}

.visual-slide {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.visual-slide__frame {
  display: flow-root;
  min-height: calc(100vh - var(--visual-navigation-height));
  min-height: calc(100svh - var(--visual-navigation-height));
}

.visual-slide__copy {
  float: left;
  width: calc((100% - 2rem) / 2);
  margin: 0 0 1rem;
}

.visual-slide__copy h2 {
  font-size: clamp(1.7rem, 2.6vw, 2.7rem);
  line-height: 1.2;
  text-wrap: balance;
}

.visual-slide__copy p {
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 55ch;
}

.visual-slide__figure {
  float: right;
  width: calc((100% - 2rem) / 2);
  min-width: 0;
  margin: 0 0 1rem 2rem;
  overflow: visible;
}

.visual-slide__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 0.5rem;
}

.visual-slide__figure figcaption {
  padding-top: 0.75rem;
  line-height: 1.5;
}

.visual-slide__expand {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
}

.visual-slide__detail {
  width: auto;
  max-width: none;
  margin: 0 0 1rem;
  border: 0;
  padding: 0;
}

.visual-slide__detail > summary {
  display: table;
  width: max-content;
  max-width: 100%;
  margin: 0;
}

.visual-slide__detail-body {
  padding-top: 1rem;
}

.visual-slide__detail-body > :is(p, ul, ol, h3, h4, h5, h6, blockquote) {
  max-width: 75ch;
}

.visual-slide__detail-body > p:has(> img:only-child) {
  clear: both;
  max-width: none;
}

.visual-slide__detail-body > :is(pre, table) {
  clear: both;
  max-width: 100%;
  overflow-x: auto;
}

.visual-slide__detail-body > p > img:only-child {
  display: block;
  width: 100%;
  height: auto;
}

html:has(.visual-article__dialog[open]) {
  overflow: hidden;
}

.visual-article__dialog {
  width: 100vw;
  min-width: 0;
  padding: 1rem;
}

.visual-article__dialog-panel {
  display: flex;
  flex-direction: column;
  width: min(100%, 52rem);
  max-height: calc(100vh - 2rem);
  max-height: calc(100svh - 2rem);
  overflow: hidden;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: 0.75rem;
  background: var(--pico-card-background-color);
  box-shadow: var(--pico-card-box-shadow);
}

.visual-article__dialog-panel > header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.visual-article__dialog-panel > header h2 {
  flex: 1;
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  line-height: 1.3;
}

.visual-article__dialog-panel > header button {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  margin: 0;
  font-size: 1.6rem;
  line-height: 1;
}

.visual-article__dialog-content {
  min-height: 0;
  padding: 1.5rem;
  overflow: auto;
  overscroll-behavior: contain;
}

.visual-article__dialog .visual-slide__detail-body {
  padding: 0;
}

.visual-article__dialog .visual-slide__detail-body > :last-child {
  margin-bottom: 0;
}

.visual-article a:focus-visible,
.visual-article button:focus-visible,
.visual-article summary:focus-visible {
  outline: 3px solid var(--pico-primary);
  outline-offset: 4px;
}

.visual-article__footer {
  max-width: 75ch;
  margin: 2rem auto;
  padding: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  text-align: start;
}

.visual-article[data-reading-mode='complete'] .visual-slide__frame {
  min-height: 0;
}

.visual-article[data-reading-mode='complete'] .visual-slide__detail summary {
  display: none;
}

@media screen and (min-width: 821px) {
  .visual-article[data-reading-mode='visual'] .visual-slide__frame:not(:has(.visual-slide__detail[open])) {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 1fr auto auto 1fr;
    column-gap: 2rem;
    align-items: center;
  }

  .visual-article[data-reading-mode='visual'] .visual-slide__frame:not(:has(.visual-slide__detail[open])) > .visual-slide__copy {
    float: none;
    grid-column: 1;
    grid-row: 2;
    width: auto;
    margin: 0;
  }

  .visual-article[data-reading-mode='visual'] .visual-slide__frame:not(:has(.visual-slide__detail[open])) > .visual-slide__figure {
    float: none;
    grid-column: 2;
    grid-row: 1 / -1;
    width: auto;
    margin: 0;
  }

  .visual-article[data-reading-mode='visual'] .visual-slide__frame:not(:has(.visual-slide__detail[open])) > .visual-slide__detail {
    grid-column: 1;
    grid-row: 3;
    margin: 1rem 0 0;
  }
}

@media (min-width: 960px) {
  body[data-content-format='visual-article'] .site-sidebar {
    display: none;
  }
}

@media (max-width: 820px) {
  .visual-article[data-swipe-enabled='true'] :is(.visual-slide__copy, .visual-slide__figure) {
    /* Reserve horizontal gestures for slide navigation; keep native scrolling and zoom. */
    touch-action: pan-y pinch-zoom;
  }

  .visual-article__dialog {
    padding: 0.5rem;
  }

  .visual-article__dialog-panel {
    max-height: calc(100vh - 1rem);
    max-height: calc(100svh - 1rem);
  }

  .visual-article__dialog-panel > header,
  .visual-article__dialog-content {
    padding: 1rem;
  }

  .visual-article {
    --visual-toolbar-height: 0rem;
  }

  .visual-article[data-navigation-panel] .visual-article__toolbar {
    display: none;
  }

  .visual-slide__frame,
  .visual-article[data-reading-mode='complete'] .visual-slide__frame {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .visual-article[data-reading-mode='visual'] .visual-slide__frame:not(:has(.visual-slide__detail[open])) {
    justify-content: center;
  }

  .visual-slide__copy,
  .visual-article__intro > p:has(> img:only-child) {
    float: none;
    width: 100%;
    margin: 0;
  }

  .visual-slide__figure {
    float: none;
    width: 100%;
    max-width: 580px;
    margin: 0;
    align-self: center;
  }

  .visual-slide__detail {
    width: 100%;
    margin: 0;
  }

  .visual-article__index ol {
    columns: 1;
  }

  .visual-slide__copy p {
    font-size: 1rem;
  }
}

@media (max-width: 959px) {
  body[data-content-format='visual-article'] .site-sidebar:not(.is-open) {
    visibility: hidden;
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-content-format='visual-article'] *,
  body[data-content-format='visual-article'] *::before,
  body[data-content-format='visual-article'] *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media print {
  body[data-content-format='visual-article'] .site-header,
  body[data-content-format='visual-article'] .site-sidebar,
  body[data-content-format='visual-article'] .site-footer,
  body[data-content-format='visual-article'] .page-breadcrumb,
  .visual-article__toolbar,
  .visual-article__dialog,
  .visual-article__swipe-hint,
  .visual-article__index,
  .visual-slide__detail summary,
  .visual-slide__expand {
    display: none !important;
  }

  .visual-slide__frame,
  .visual-article[data-reading-mode='complete'] .visual-slide__frame {
    display: block;
    min-height: 0;
  }

  .visual-slide {
    break-before: page;
  }

  .visual-slide__figure {
    float: none;
    width: 100%;
    max-width: 300px;
    margin-inline: auto;
  }

  .visual-slide__copy {
    float: none;
    width: 100%;
  }

  .visual-slide__detail::details-content {
    display: block !important;
    content-visibility: visible !important;
  }

  .visual-slide__detail:not([open]) > .visual-slide__detail-body {
    display: block !important;
  }
}