:root {
  color-scheme: light;
  --page: #f7f9fc;
  --surface: #fff;
  --ink: #172033;
  --muted: #53627a;
  --cobalt: #0866ff;
  --link: #1748c7;
  --ice: #eaf3ff;
  --selected: #dceafe;
  --line: #d8e0ed;
  --focus: #0866ff;
  --shadow: 0 10px 30px #17203319;
  --header-height: 74px;
  --gutter: clamp(1.25rem, 3.15vw, 3.125rem);
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #141924;
  --surface: #1c2432;
  --ink: #f0f5ff;
  --muted: #b9c6d9;
  --link: #92baff;
  --ice: #202f48;
  --selected: #263e63;
  --line: #36445b;
  --focus: #76a8ff;
  --shadow: 0 10px 30px #0006;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #141924;
    --surface: #1c2432;
    --ink: #f0f5ff;
    --muted: #b9c6d9;
    --link: #92baff;
    --ice: #202f48;
    --selected: #263e63;
    --line: #36445b;
    --focus: #76a8ff;
    --shadow: 0 10px 30px #0006;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-block-start: calc(var(--header-height) + 1.5rem); }
body { margin: 0; background: var(--page); color: var(--ink); line-height: 1.55; }
body:has(.overview-shell) { background: var(--surface); }
h1, h2, h3, p, figure { margin: 0; }
img, video { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: .16em; }
button, input { font: inherit; color: inherit; }
button, summary { cursor: pointer; }
button { background: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
[hidden], :root:not([data-js]) [data-enhancement], :root[data-enhanced] .search-fallback { display: none !important; }
:root:not([data-enhanced]) [data-open-search] { visibility: hidden; }
.search-fallback { position: absolute; inset: 0; text-decoration: none; }
:root:not([data-js]) .search-fallback { position: static; }

.visually-hidden, .skip:not(:focus) {
  position: absolute; inline-size: 1px; block-size: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.skip:focus {
  position: fixed; z-index: 12; inset-block-start: .5rem; inset-inline-start: .5rem;
  background: var(--surface); padding: .5rem 1rem; border-radius: .5rem;
}

.icon {
  display: inline-block; flex: none; inline-size: 1.35rem; block-size: 1.35rem;
  background: currentColor; mask: var(--glyph) center / contain no-repeat;
}
.icon-search { --glyph: url("/assets/icons/search.svg"); }
.icon-world { --glyph: url("/assets/icons/world.svg"); }
.icon-moon { --glyph: url("/assets/icons/moon.svg"); }
.icon-sun { --glyph: url("/assets/icons/sun.svg"); }
.icon-chevron-down { --glyph: url("/assets/icons/chevron-down.svg"); inline-size: .9rem; }
.icon-book { --glyph: url("/assets/icons/book.svg"); }
.icon-file { --glyph: url("/assets/icons/file.svg"); }
.icon-photo { --glyph: url("/assets/icons/photo.svg"); }
.icon-text { --glyph: url("/assets/icons/letter-t.svg"); }
.icon-clock { --glyph: url("/assets/icons/clock.svg"); }
.icon-layers { --glyph: url("/assets/icons/stack.svg"); }

.light-mark, .dark-mark { display: block; }
.dark-mark, .theme-menu .icon-sun { display: none; }
:root[data-theme="dark"] .light-mark, :root[data-theme="dark"] .theme-menu .icon-moon { display: none; }
:root[data-theme="dark"] .dark-mark, :root[data-theme="dark"] .theme-menu .icon-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .light-mark,
  :root:not([data-theme="light"]) .theme-menu .icon-moon { display: none; }
  :root:not([data-theme="light"]) .dark-mark,
  :root:not([data-theme="light"]) .theme-menu .icon-sun { display: block; }
}

.topbar {
  position: sticky; inset-block-start: 0; z-index: 5;
  min-block-size: var(--header-height); padding: .8rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: clamp(.8rem, 2.1vw, 2rem);
  background: var(--page); border-block-end: 1px solid var(--line);
}
body:has(.overview-shell) .topbar { background: var(--surface); }
.brand { flex: none; }
.brand img { inline-size: clamp(8.25rem, 12vw, 11.75rem); }
.primary, .top-options { display: flex; align-items: center; gap: clamp(.35rem, 1.2vw, 1rem); }
.primary a {
  color: var(--ink); text-decoration: none; font-weight: 550; padding: .45rem .7rem; border-radius: .55rem;
}
.primary a:hover, .primary [aria-current="true"] { background: var(--selected); }
.top-search { position: relative; flex: 1; min-inline-size: 9rem; max-inline-size: 33rem; }
.menu { position: relative; }
.menu summary {
  display: flex; align-items: center; gap: .45rem; min-block-size: 2.5rem;
  border: 1px solid var(--line); border-radius: .65rem; padding: .35rem .65rem;
  background: var(--surface); white-space: nowrap;
}
summary::marker, summary::-webkit-details-marker { display: none; }
.menu summary:hover, .menu[open] summary { background: var(--ice); }
.menu ul {
  position: absolute; inset-block-start: 100%; inset-inline-end: 0; z-index: 1;
  min-inline-size: 9rem; margin: .4rem 0 0; padding: .25rem; list-style: none;
  background: var(--surface); border: 1px solid var(--line); border-radius: .6rem; box-shadow: var(--shadow);
}
.menu li :is(a, button) {
  display: block; inline-size: 100%; border: 0; border-radius: .35rem; padding: .4rem .65rem;
  text-align: start; text-decoration: none; color: var(--ink); white-space: nowrap;
}
.menu li :is(a, button):is(:hover, [aria-current], [aria-pressed="true"]) { background: var(--selected); }

.search-trigger, .search-field {
  display: flex; align-items: center; gap: .75rem; inline-size: 100%; min-block-size: 2.65rem;
  border: 1px solid var(--line); border-radius: .62rem; padding: .5rem .72rem;
  background: var(--surface); text-align: start;
}
.search-trigger:hover { border-color: var(--focus); background: var(--ice); }
.search-prompt { flex: 1; min-inline-size: 0; color: var(--muted); }
kbd {
  display: inline-block; color: var(--muted); background: var(--page); border: 1px solid var(--line);
  border-radius: .4rem; padding: .15em .46em; font: 600 .8rem/1.4 system-ui, sans-serif;
  white-space: nowrap;
}
.search-panel {
  padding: 0; inline-size: min(44rem, calc(100% - 1.5rem)); max-block-size: calc(100% - 2rem);
  margin-block: clamp(.75rem, 14vh, 9rem) auto;
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: .85rem; box-shadow: var(--shadow);
}
.search-panel::backdrop { background: #101929a0; }
.search-top { display: flex; align-items: center; gap: .65rem; padding: 1rem; }
.search-field:focus-within { outline: 2px solid var(--focus); outline-offset: 1px; }
.search-field input {
  inline-size: 100%; min-inline-size: 0; border: 0; outline: none;
  background: transparent; padding: .2rem 0; font-size: 1.12rem;
}
.close-search { flex: none; padding: .4rem 0; border: 0; }
.search-body { padding: 0 1rem .75rem; }
#search-heading, #search-empty { font-size: .94rem; color: var(--muted); margin: .25rem 0 .6rem; }
#search-results { max-block-size: min(23rem, 45vh); overflow: auto; }
#search-results a {
  display: flex; flex-direction: column; padding: .65rem .75rem; border-radius: .5rem;
  color: var(--ink); text-decoration: none;
}
#search-results a:hover { background: var(--ice); }
#search-results a[aria-selected="true"] { color: white; background: var(--cobalt); }
#search-results a span { font-size: .87rem; }
.search-help {
  display: flex; align-items: center; flex-wrap: wrap; gap: .65rem 1.1rem;
  padding: .6rem 1rem; background: var(--page); border-block-start: 1px solid var(--line);
  color: var(--muted); font-size: .85rem;
}
.search-help a { margin-inline-start: auto; }

.overview-shell { max-inline-size: 100rem; margin-inline: auto; padding: 2rem var(--gutter) 3.5rem; }
.hero { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: clamp(1.75rem, 3vw, 3rem); align-items: center; }
.eyebrow {
  margin-block-end: 1rem; color: var(--muted); font-size: .9rem; font-weight: 750;
  letter-spacing: .075em;
}
[dir="rtl"] .eyebrow { letter-spacing: normal; }
h1 {
  font-size: clamp(2.45rem, 4.65vw, 4.35rem); line-height: 1.06; font-weight: 780;
  letter-spacing: -.047em; text-wrap: balance; overflow-wrap: anywhere;
}
[dir="rtl"] h1 { letter-spacing: normal; line-height: 1.24; }
.hero h1 { text-wrap: pretty; }
.hero-lead, .article-lead { margin-block-start: 1rem; color: var(--muted); font-size: clamp(1.05rem, 1.75vw, 1.45rem); line-height: 1.48; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1.5rem; margin-block: 1.8rem; }
.primary-action {
  display: inline-flex; align-items: center; gap: .55rem; color: white; background: var(--cobalt);
  padding: .75rem 1.3rem; border-radius: .62rem; text-decoration: none; font-weight: 700;
}
.primary-action:hover { background: #074dc0; }
.text-action { font-weight: 650; }
.direction-arrow { display: inline-block; }
[dir="rtl"] .direction-arrow { transform: scaleX(-1); }
.hero-stage { padding: clamp(1rem, 2.5vw, 2.5rem) clamp(1rem, 2.8vw, 2.75rem) 1rem; background: var(--ice); border-radius: 1rem; text-align: center; }
.hero-stage img { display: block; inline-size: 100%; border-radius: .62rem; box-shadow: var(--shadow); }
.hero-stage figcaption { margin-block-start: .65rem; color: var(--muted); font-size: .92rem; }
.overview-gallery { margin-block-start: clamp(2.25rem, 4.2vw, 4.1rem); }
.overview-gallery h2 { font-size: clamp(1.75rem, 2.9vw, 2.45rem); letter-spacing: -.03em; line-height: 1.15; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 1.75vw, 1.7rem); margin-block-start: 1.5rem; }
.gallery-entry { color: var(--ink); text-decoration: none; }
.gallery-entry:hover strong { color: var(--link); text-decoration: underline; }
.gallery-entry img {
  display: block; inline-size: 100%; aspect-ratio: 2.42; object-fit: cover; object-position: top;
  border: 1px solid var(--line); border-radius: .62rem; background: var(--ice);
  box-shadow: 0 3px 10px color-mix(in srgb, var(--ink) 8%, transparent);
}
.gallery-entry:is(:hover, :focus-visible) img { border-color: var(--focus); }
.gallery-entry strong, .gallery-entry span { display: block; }
.gallery-entry strong { margin-block-start: .55rem; font-size: 1.1rem; }
.gallery-entry span { color: var(--muted); }

.guide-shell { display: grid; grid-template-columns: minmax(12.25rem, 20%) minmax(0, 1fr) minmax(12rem, 20%); max-inline-size: 104rem; margin-inline: auto; min-block-size: 85vh; }
.chapter-nav, .page-nav { position: sticky; inset-block-start: var(--header-height); align-self: start; max-block-size: calc(100vh - var(--header-height)); overflow-y: auto; padding: 1.65rem .9rem; }
.rail-title { margin: 0 .75rem .9rem; font-size: 1.15rem; font-weight: 740; }
.chapter-link, .chapter-group summary {
  display: flex; align-items: center; gap: .7rem; inline-size: 100%;
  padding: .7rem .75rem; margin-block: .15rem; border-radius: .55rem; line-height: 1.25;
  color: var(--ink); text-align: start; text-decoration: none; font-weight: 530;
}
.chapter-group summary .icon-chevron-down { margin-inline-start: auto; }
.chapter-group[open] summary .icon-chevron-down { transform: rotate(180deg); }
.chapter-link:hover, .chapter-group summary:hover, .chapter-link[aria-current], .chapter-group .active { background: var(--selected); }
.chapter-link[aria-current] .icon, .chapter-group .active .icon { color: var(--link); }
.chapter-subnav { margin-inline-start: 1.25rem; padding: .15rem .25rem .3rem .65rem; border-inline-start: 1px solid var(--line); }
.chapter-subnav a { display: block; padding: .35rem .35rem; font-size: .9rem; line-height: 1.3; color: var(--muted); text-decoration: none; }
.chapter-subnav a:is(:hover, [aria-current]) { color: var(--link); text-decoration: underline; }
.tools-link { margin-block-start: .9rem; color: var(--link); }
.page-nav { padding-inline: clamp(1rem, 2.5vw, 2rem); }
.page-nav .rail-title { margin-inline: 0; }
.page-nav ul, .mobile-contents ul { list-style: none; margin: 0; padding: 0; }
:is(.page-nav, .mobile-contents) li { margin-block: .6rem; }
:is(.page-nav, .mobile-contents) li a { color: var(--muted); text-decoration: none; display: block; line-height: 1.35; }
:is(.page-nav, .mobile-contents) li a:hover { color: var(--link); text-decoration: underline; }
.heading-level-3 { padding-inline-start: .85rem; font-size: .9rem; }
.mobile-contents { display: none; }
.article { padding: 1.6rem clamp(1.5rem, 3.35vw, 3.25rem) 2.5rem; min-inline-size: 0; border-inline: 1px solid var(--line); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: baseline; gap: .45rem .65rem; margin-block-end: 1.15rem; color: var(--muted); font-size: .9rem; }
.article h1 { font-size: clamp(2.25rem, 4vw, 3.65rem); text-wrap: pretty; }
.article-lead { margin-block-start: .55rem; }
.prose { margin-block-start: 1.65rem; }
.prose :is(p, li, dd) { max-inline-size: 70ch; }
.prose p { margin-block: .9rem; }
.prose h2, .tool-group h2 {
  margin-block: 1.85rem .5rem; font-size: clamp(1.3rem, 2.3vw, 1.65rem);
  line-height: 1.25; letter-spacing: -.018em;
}
.prose h3 { font-size: 1.1rem; margin-block: 1.4rem .45rem; }
.prose ol, .prose ul, .tool-group ul { padding-inline-start: 1.5rem; }
.prose li, .tool-group li { margin-block: .35rem; }
.prose code { font-family: ui-monospace, monospace; font-size: .9em; overflow-wrap: anywhere; unicode-bidi: isolate; }
.prose :is(code, kbd) { padding: .05rem .3rem; border-radius: .2rem; background: var(--ice); }
.prose img { display: block; inline-size: 100%; border-radius: .65rem; }
.prose a.screenshot { display: block; margin-block: 1.3rem .45rem; }
.prose p:has(.screenshot) { max-inline-size: none; margin-block-end: .35rem; }
.prose p:has(.screenshot) + p:has(> em:only-child) { margin-block-start: .35rem; color: var(--muted); font-size: .9rem; }
.prose video { display: block; inline-size: 100%; aspect-ratio: 1600 / 1044; object-fit: contain; border-radius: .65rem; }
.prose .table-scroll { overflow: auto; }
.prose table { border-collapse: collapse; margin-block: 1rem; font-size: .93rem; }
.prose :is(td, th) { border: 1px solid var(--line); padding: .4rem .55rem; text-align: start; }
.prose :target { scroll-margin-block-start: .2rem; }
.first-task { counter-reset: step; }
.first-task h2:nth-of-type(-n+3) { counter-increment: step; }
.first-task h2:nth-of-type(-n+3)::before {
  content: counter(step); display: inline-grid; place-items: center; inline-size: 1.65em; block-size: 1.65em;
  margin-inline-end: .55em; border-radius: 50%; color: var(--link); background: var(--selected);
  font-size: .75em; font-weight: 720; vertical-align: .1em;
}
.chapter-pager { display: flex; justify-content: space-between; gap: 1rem; border-block-start: 1px solid var(--line); padding-block-start: 1rem; margin-block-start: 2rem; }
.chapter-pager a { color: var(--ink); text-decoration: none; }
.chapter-pager a:hover strong { text-decoration: underline; }
.chapter-pager a span:not(.direction-arrow) { display: block; color: var(--muted); font-size: .9rem; }
.chapter-pager a:last-child { text-align: end; }

.site-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .5rem 1rem; padding: 1.2rem var(--gutter);
  border-block-start: 1px solid var(--line); color: var(--muted); font-size: .88rem;
}
.missing-page { margin: clamp(3rem, 12vh, 9rem) auto; max-inline-size: 56rem; padding-inline: var(--gutter); }

@media (max-width: 1100px) {
  .topbar { gap: .65rem; }
  .top-options { gap: .3rem; }
  .guide-shell { grid-template-columns: minmax(12.25rem, 23%) minmax(0, 1fr); }
  .page-nav { display: none; }
  .article { border-inline-end: 0; }
  .mobile-contents { display: flex; flex-wrap: wrap; gap: .6rem; margin-block-end: .85rem; }
  .mobile-contents > details:first-child { display: none; }
  .mobile-contents > details { min-inline-size: min(100%, 11rem); }
  .mobile-contents > details > summary {
    display: list-item; list-style: revert; border: 1px solid var(--line);
    border-radius: .45rem; padding: .45rem .7rem; background: var(--surface);
  }
  .mobile-contents nav { padding: .4rem; }
}

@media (max-width: 850px) {
  .topbar { flex-wrap: wrap; position: static; }
  .top-search { flex-basis: 100%; order: 4; max-inline-size: none; }
  html { scroll-padding-block-start: 1.25rem; }
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero-text { max-inline-size: 36rem; }
  .hero-stage { padding: 1.2rem 1.2rem .8rem; }
  .guide-shell { display: block; }
  .chapter-nav { display: none; }
  .article { border: 0; }
  .mobile-contents > details:first-child { display: block; }
}

@media (max-width: 550px) {
  .topbar { justify-content: space-between; padding-block: .65rem; }
  .top-options { margin-inline-start: auto; }
  .primary { order: 3; flex-basis: 100%; }
  .primary a { padding-inline: .55rem; }
  .language-name { display: none; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-entry img { aspect-ratio: 2.1; }
  .search-help a { margin-inline-start: 0; }
  .site-footer { align-items: start; }
}

@media (forced-colors: active) {
  .icon { forced-color-adjust: none; background: ButtonText; }
  .primary-action { border: 1px solid ButtonText; }
  #search-results a[aria-selected="true"] { outline: 2px solid Highlight; outline-offset: -2px; }
}

.icon-terminal { --glyph: url("/assets/icons/terminal-2.svg"); }
.prose pre {
  direction: ltr; overflow: auto; padding: .8rem 1rem;
  background: var(--ice); border: 1px solid var(--line); border-radius: .5rem;
}
.prose pre code { padding: 0; overflow-wrap: normal; white-space: pre; }

.hero h1 { font-size: clamp(2.45rem, 4.9vw, 4.65rem); }
.hero-lead { font-size: clamp(1.05rem, 1.82vw, 1.58rem); }
.hero-actions .primary-action { font-size: clamp(1.05rem, 1.42vw, 1.32rem); padding-inline: 1.5rem; }
.hero-actions .text-action { font-size: 1.08rem; }
.top-search .search-trigger { box-shadow: 0 0 0 1px var(--selected); border-color: var(--focus); }
.article h1 { font-size: clamp(2.25rem, 4.15vw, 3.85rem); }
.first-task > p:first-child .screenshot img { aspect-ratio: 2.04; object-fit: cover; object-position: top; }
.page-more { color: var(--muted); font-size: .9rem; }
.page-more summary { color: var(--link); text-decoration: underline; text-underline-offset: .16em; }
.page-more ul { padding-inline-start: .65rem; }

@media (max-width: 550px) {
  .first-task > p:first-child .screenshot img { aspect-ratio: auto; }
}
@media (max-width: 1100px) {
  .mobile-contents > details > summary {
    display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  }
  .mobile-contents > details[open] > summary .icon-chevron-down { transform: rotate(180deg); }
}

.gallery-note { margin-block-start: 1.1rem; color: var(--muted); font-size: .87rem; }

/* Keep the prompt and menus on one line while space allows. */
.top-search .search-prompt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar[data-compact-language] .language-menu summary :is(.language-name, .icon-chevron-down) { display: none; }
.topbar[data-wrap-search] { flex-wrap: wrap; }
.topbar[data-wrap-search] .top-search { flex-basis: 100%; order: 4; max-inline-size: none; }
@media (max-width: 550px) {
  .language-menu summary .icon-chevron-down { display: none; }
}

.chapter-subnav a.heading-level-3 { padding-inline-start: 1rem; }
.guide-shell [data-guide-section][aria-current="location"] {
  color: var(--link); font-weight: 700; text-decoration: underline;
}

.showcase-slides { display: grid; }
.showcase-slides > figure { grid-area: 1 / 1; min-inline-size: 0; }
[data-showcase-ready] [data-showcase-slide] {
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .45s ease-in-out, visibility 0s linear .45s;
}
[data-showcase-ready] [data-showcase-slide][aria-hidden="false"] {
  opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s;
}
.showcase-image { display: block; aspect-ratio: 1600 / 1044; }
.showcase-image picture { display: block; inline-size: 100%; block-size: 100%; }
.hero-stage .showcase-image img {
  inline-size: 100%; block-size: 100%; object-fit: contain; box-shadow: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-showcase-ready] [data-showcase-slide] { transition: none; }
}
.showcase-controls {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: .35rem; align-items: center; margin-block-start: .7rem;
}
.showcase-arrow {
  display: grid; place-items: center; inline-size: 2.25rem; block-size: 2.25rem;
  border-radius: .65rem; border: 1px solid var(--line); background: var(--surface);
}
.showcase-arrow:hover { color: var(--link); border-color: var(--focus); }
.showcase-arrow .icon { inline-size: 1rem; }
[data-showcase-prev] .icon { transform: rotate(90deg); }
[data-showcase-next] .icon { transform: rotate(-90deg); }
[dir="rtl"] [data-showcase-prev] .icon { transform: rotate(-90deg); }
[dir="rtl"] [data-showcase-next] .icon { transform: rotate(90deg); }
.showcase-dots { display: flex; flex-wrap: wrap; justify-content: center; }
.showcase-dot {
  display: grid; place-items: center; inline-size: 1.5rem; block-size: 1.5rem;
  padding: 0; border: 0; border-radius: .4rem; color: var(--muted);
}
.showcase-dot::before {
  content: ""; inline-size: .45rem; block-size: .45rem;
  border-radius: 50%; background: currentColor;
}
.showcase-dot:is(:hover, [aria-current="true"]) { color: var(--link); }
.showcase-dot[aria-current="true"]::before { inline-size: .66rem; block-size: .66rem; }

.lightbox {
  inline-size: min(92vw, 90rem); max-inline-size: none;
  max-block-size: 90dvh; padding: 0;
  border: 1px solid var(--line); border-radius: .85rem;
  background: var(--surface); color: var(--ink); box-shadow: var(--shadow);
}
.lightbox::backdrop { background: #101929c9; }
.lightbox-frame { display: flex; flex-direction: column; max-block-size: 89dvh; }
.lightbox-toolbar {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .45rem;
  align-items: center; padding: .6rem .8rem; border-block-end: 1px solid var(--line);
}
.lightbox-controls { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.lightbox-toolbar button {
  padding: .35rem .65rem; min-block-size: 2rem; border-radius: .45rem;
  border: 1px solid var(--line); background: var(--page);
}
.lightbox-toolbar button:hover:not(:disabled) { border-color: var(--focus); }
.lightbox-toolbar button:disabled { opacity: .45; cursor: default; }
.lightbox-scale { color: var(--muted); min-inline-size: 3.2rem; text-align: center; font-variant-numeric: tabular-nums; }
.lightbox-viewport { overflow: auto; min-block-size: 0; block-size: 75dvh; background: var(--page); }
.lightbox-stage {
  display: grid; place-items: center; min-inline-size: 100%; min-block-size: 100%;
  inline-size: max-content; block-size: max-content;
}
.lightbox-image { display: block; max-inline-size: none; max-width: none; }
.lightbox-viewport[data-pannable] .lightbox-image { cursor: grab; }
.lightbox-viewport[data-dragging], .lightbox-viewport[data-dragging] .lightbox-image { cursor: grabbing; }
.lightbox-error { padding: 1rem; }