/* Configuration window: approved desktop composition. */
.hero { padding-top:56px }
.hero__grid { display:grid; grid-template-columns:minmax(0,4fr) minmax(0,6fr); gap:56px; align-items:stretch }
.hero__copy { display:flex; flex-direction:column; min-height:var(--hero-h) }
.badge { align-self:flex-start; display:inline-flex; align-items:center; gap:8px; min-height:28px; padding:3px 10px; border:1px solid var(--c-border); border-radius:var(--r-ctrl); font-size:13px; color:var(--c-muted); background:var(--c-bg); max-width:100%; overflow-wrap:anywhere }
.badge__dot { width:6px; height:6px; border-radius:var(--r-round); background:var(--c-accent); flex-shrink:0 }
.hero__title { margin-top:22px; font-family:var(--font-display); font-weight:var(--weight-display); font-size:clamp(34px,3.35vw,48px); line-height:1.15; letter-spacing:0; color:var(--c-accent) }
.hero__title-brand { display:block }
.hero__lead { margin-top:auto; padding-top:32px }
.hero__desc { font-size:17px; line-height:1.72; color:var(--c-text); max-width:32em }
.hero__desc strong { font-weight:var(--weight-emphasis); color:var(--c-accent-dark) }
.chips { display:flex; flex-wrap:wrap; gap:8px; margin-top:22px }
.chip { display:inline-flex; align-items:center; min-height:26px; padding:3px 10px; background:var(--c-panel); color:var(--c-text); border-radius:var(--r-ctrl); font-family:var(--font-mono); font-size:12px; letter-spacing:.02em; max-width:100%; overflow-wrap:anywhere }
.platforms { display:flex; flex-wrap:wrap; gap:12px clamp(16px,1.8vw,28px); margin-top:24px; padding-top:20px; border-top:1px solid var(--c-border) }
.platform { display:inline-flex; align-items:center; gap:9px; font-size:14px; color:var(--c-text); transition:color var(--duration-fast) }
.platform__ico { width:28px; height:28px; display:grid; place-items:center; flex:none; border:1px solid var(--c-border); border-radius:var(--r-ctrl); color:var(--c-text) }
.platform__ico svg { width:14px; height:14px }
.platform:hover,.platform:hover .platform__ico { color:var(--c-accent); border-color:var(--c-accent) }
.hero__visual { display:grid; grid-template-columns:minmax(0,1fr) 220px; gap:24px }
.render { position:relative; isolation:isolate; overflow:hidden; min-height:var(--hero-h); border-radius:var(--r-card); background:linear-gradient(152deg,var(--c-field-a) 0%,var(--c-field-a) 16%,var(--c-field-b) 100%); color:var(--c-glass-text); container-type:inline-size }
.render::after { content:""; position:absolute; inset:0; z-index:4; pointer-events:none; border-radius:inherit; box-shadow:inset 0 0 0 1px var(--c-chrome-line) }
.render__toggle { position:absolute; opacity:0; width:1px; height:1px; pointer-events:none }
.render__chrome { position:absolute; top:0; left:0; right:0; z-index:3; height:36px; display:flex; align-items:center; gap:14px; padding:0 14px; background:var(--c-chrome-bg); border-bottom:1px solid var(--c-chrome-line); -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px); font-family:var(--font-mono); font-size:12px; color:var(--c-glass-text-dim) }
.dots { display:flex; gap:6px; flex-shrink:0 }
.dot { width:8px; height:8px; border-radius:var(--r-round); flex-shrink:0 }
.dot--r { background:var(--c-error) }
.dot--y { background:var(--c-warn) }
.dot--g { background:var(--c-success) }
.render__file { color:var(--c-glass-text) }
.render__fmt { margin-left:auto; padding:1px 6px; border:1px solid var(--c-chrome-line); border-radius:var(--r-ctrl); font-size:11px; letter-spacing:.06em }
.render__field { position:absolute; inset:0; z-index:0 }
.orb { position:absolute; aspect-ratio:1; border-radius:var(--r-round); will-change:transform,opacity }
.orb--violet { width:66%; top:-20%; right:-18%; background:radial-gradient(circle,var(--c-orb-violet) 0%,var(--c-orb-violet-soft) 34%,var(--c-clear) 68%); animation:drift-a 18s ease-in-out infinite alternate }
.orb--pink { width:38%; top:19%; right:2%; background:radial-gradient(circle,var(--c-clear) 0%,var(--c-clear) 16%,var(--c-orb-pink) 30%,var(--c-orb-pink-soft) 44%,var(--c-clear) 68%); animation:drift-b 14s ease-in-out infinite alternate }
.orb--deep { width:80%; bottom:-40%; left:-24%; background:radial-gradient(circle,var(--c-orb-deep) 0%,var(--c-orb-deep-soft) 38%,var(--c-clear) 70%); animation:drift-c 22s ease-in-out infinite alternate }
.render__stage { position:absolute; inset:36px 0 0; z-index:2 }
.plate { position:absolute; width:60%; height:20%; overflow:hidden; padding:clamp(8px,2.8cqi,15px) clamp(10px,3cqi,16px); border:1px solid var(--c-glass-edge); border-radius:var(--r-card); background:linear-gradient(172deg,var(--c-glass-top) 0%,var(--c-glass-mid) 46%,var(--c-glass-low) 100%),var(--c-glass-tint); -webkit-backdrop-filter:blur(14px) saturate(150%); backdrop-filter:blur(14px) saturate(150%); box-shadow:inset 0 1px 0 var(--c-glass-hi),inset 1px 0 0 var(--c-glass-edge),0 7px 0 var(--c-glass-side),0 22px 40px var(--c-shade); transform:perspective(1100px) rotateX(20deg) rotateY(-24deg); color:var(--c-glass-text); text-shadow:0 1px 2px var(--c-ink-shadow) }
.plate::before { content:""; position:absolute; inset:0; z-index:1; pointer-events:none; background:linear-gradient(115deg,var(--c-glass-sheen) 0%,var(--c-clear) 34%) }
.plate--in { top:9%; left:8% }
.plate--route { top:38.5%; left:19% }
.plate--out { top:68%; left:30% }
.plate__glow { position:absolute; z-index:0; width:72%; aspect-ratio:1; border-radius:var(--r-round); will-change:transform,opacity }
.plate--in .plate__glow { right:-22%; top:-120%; background:radial-gradient(circle,var(--c-orb-pink) 0%,var(--c-orb-pink-soft) 30%,var(--c-clear) 66%); animation:breathe 16s ease-in-out infinite alternate }
.plate--route .plate__glow { left:-18%; top:-80%; background:radial-gradient(circle,var(--c-orb-violet) 0%,var(--c-orb-violet-soft) 34%,var(--c-clear) 68%); animation:breathe 20s ease-in-out infinite alternate-reverse }
.plate--out .plate__glow { right:-14%; top:-60%; background:radial-gradient(circle,var(--c-orb-blue) 0%,var(--c-orb-blue-soft) 36%,var(--c-clear) 70%); animation:breathe 24s ease-in-out infinite alternate }
.plate__body { position:relative; z-index:2 }
.plate__head { display:flex; justify-content:space-between; align-items:baseline; font-family:var(--font-mono); font-size:clamp(11px,2.6cqi,14px); font-weight:var(--weight-emphasis); letter-spacing:.02em }
.plate__brace { font-weight:var(--weight-body); color:var(--c-glass-text-dim) }
.plate__rule { height:1px; margin:clamp(6px,1.8cqi,10px) 0; background:var(--c-glass-edge) }
.plate__code { font-family:var(--font-mono); font-size:clamp(9px,2.15cqi,11.5px); line-height:1.62; color:var(--c-glass-text-dim); white-space:nowrap }
.plate__code .k { color:var(--c-glass-text) }
.flow { position:absolute; z-index:2; width:0; border-left:1px dashed var(--c-glass-hi) }
.flow::after { content:""; position:absolute; left:-3.5px; bottom:0; width:6px; height:6px; border-right:1px solid var(--c-glass-hi); border-bottom:1px solid var(--c-glass-hi); transform:rotate(45deg) }
.flow--a { left:50%; top:31%; height:6.6% }
.flow--b { left:61%; top:60.6%; height:6.6% }
.render__pause { position:absolute; right:0; bottom:0; z-index:5; width:44px; height:44px; display:grid; place-items:center; cursor:pointer; background:var(--c-ctrl-bg); color:var(--c-on-accent); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); transition:background-color var(--duration-fast) }
.render__pause:hover { background:var(--c-ctrl-bg-hover) }
.render__pause svg { width:20px; height:20px }
.ico-play { display:none }
.render__toggle:focus-visible ~ .render__pause { outline:2px solid var(--c-on-accent); outline-offset:-4px }
.render__toggle:checked ~ .render__pause .ico-pause { display:none }
.render__toggle:checked ~ .render__pause .ico-play { display:block }
.render__toggle:checked ~ .render__field .orb,.render__toggle:checked ~ .render__stage .plate__glow { animation-play-state:paused }
.updates { display:flex; flex-direction:column }
.updates__title { font-size:16px; font-weight:var(--weight-emphasis); line-height:1.4; padding-top:2px; padding-bottom:16px; border-bottom:1px solid var(--c-border) }
.update { border-bottom:1px solid var(--c-border) }
.update a { display:flex; flex-direction:column; gap:9px; padding-top:20px; padding-bottom:20px }
.update time { font-family:var(--font-mono); font-size:12px; color:var(--c-muted); letter-spacing:.02em }
.update__title { font-size:15px; line-height:1.56; color:var(--c-accent) }
.update a:hover .update__title { text-decoration:underline; text-underline-offset:3px }
.update svg { width:18px; height:18px; color:var(--c-accent); transition:transform var(--duration-fast) }
.update a:hover svg { transform:translateX(3px) }
.statusbar { margin-top:32px; height:40px; display:flex; align-items:stretch; overflow:hidden; white-space:nowrap; border:1px solid var(--c-border); border-radius:var(--r-card); font-family:var(--font-mono); font-size:12px; color:var(--c-muted) }
.statusbar__seg { display:flex; align-items:center; gap:8px; padding:0 16px; border-right:1px solid var(--c-border); flex-shrink:0 }
.statusbar__seg:first-child { background:var(--c-panel); color:var(--c-muted) }
.statusbar__seg b { font-weight:var(--weight-body); color:var(--c-text) }
.statusbar__seg--end { margin-left:auto; border-right:0; border-left:1px solid var(--c-border) }
.statusbar__led { width:6px; height:6px; border-radius:var(--r-round); background:var(--c-success); flex-shrink:0 }
.chapters { padding-top:80px; padding-bottom:64px }
.chapters__head { display:flex; justify-content:space-between; align-items:flex-end; gap:48px; padding-bottom:28px; border-bottom:1px solid var(--c-border); margin-bottom:32px }
.chapters__title { font-weight:var(--weight-display); font-size:28px; line-height:1.3 }
.chapters__note { max-width:34em; font-size:15px; color:var(--c-muted) }
/* Tabs use the same semantic structure for platform and chapter panels. */
.tabs__list { display:flex; flex-wrap:wrap; gap:4px; border-bottom:1px solid var(--c-border); margin-bottom:24px }
.tabs__list [role="tab"] { min-height:44px; padding:10px 18px; border:0; border-bottom:2px solid var(--c-clear); background:var(--c-bg); color:var(--c-muted); text-align:left; font-weight:var(--weight-body); max-width:100%; overflow-wrap:anywhere }
.tabs__list [role="tab"]:hover { background:var(--c-panel); color:var(--c-text) }
.tabs__list [role="tab"][aria-selected="true"] { border-color:var(--c-accent); background:var(--c-accent-tint); color:var(--c-accent) }
.tabs--chapters { display:grid; grid-template-columns:minmax(180px,1fr) minmax(0,2.6fr); gap:48px }
.tabs--chapters .tabs__list { display:flex; flex-direction:column; align-self:start; border:0; gap:8px; margin:0 }
.tabs--chapters [role="tab"] { width:100%; border-bottom:0; border-left:2px solid var(--c-border); padding:16px 20px }
.tabs__panel { min-width:0 }
.chapter-panel { position:relative; padding:32px; border:1px solid var(--c-border); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text) }
.chapter-panel__icon { width:48px; height:48px; margin-bottom:24px }
.chapter-panel h3 { margin-bottom:16px }
.chapter-panel p { line-height:1.85; margin-bottom:24px }
.chapter-panel__link { display:flex; justify-content:flex-end; margin-top:24px; color:var(--c-accent) }
.chapter-panel__link svg { width:24px; height:24px }
.toc { position:sticky; top:16px; z-index:10; display:flex; flex-wrap:wrap; gap:4px; padding:12px; border:1px solid var(--c-border); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text); margin-bottom:32px }
.toc a { display:block; padding:8px 12px; font-size:14px; color:var(--c-muted); border-radius:var(--r-ctrl) }
.toc a:hover,.toc a[aria-current="location"] { background:var(--c-accent-tint); color:var(--c-accent) }
.faq-item { border-bottom:1px solid var(--c-border); background:var(--c-bg); color:var(--c-text) }
.faq-item:first-child { border-top:1px solid var(--c-border) }
.faq-item summary { position:relative; padding:20px 40px 20px 0; list-style:none; font-size:17px }
.faq-item summary::-webkit-details-marker { display:none }
.faq-item summary::after { content:"+"; position:absolute; right:12px; top:20px; color:var(--c-accent); font-family:var(--font-mono) }
.faq-item[open] summary::after { content:"−" }
.faq-item__answer { padding-bottom:24px; max-width:65em; color:var(--c-muted); line-height:1.85 }
.term-card { padding:24px; border:1px solid var(--c-border); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text) }
.term-card__category { display:block; color:var(--c-muted); font-size:12px; margin-bottom:12px }
.term-card dt { font-size:21px }
.term-card dd { margin-top:16px; color:var(--c-muted) }
.client-card { padding:28px; border:1px solid var(--c-border); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text) }
.client-card__head { display:flex; align-items:center; flex-wrap:wrap; gap:16px; margin-bottom:24px }
.client-card__icon { width:56px; height:56px; flex-shrink:0 }
.client-card__version { font-family:var(--font-mono); font-size:13px; color:var(--c-muted); margin-top:8px }
.client-card__body { line-height:1.8 }
.client-card__downloads { display:flex; flex-wrap:wrap; gap:12px; margin-top:24px }
.client-card__extras { display:flex; flex-wrap:wrap; gap:16px; margin-top:16px; font-size:14px; color:var(--c-accent) }
.badge--first { background:var(--c-accent); color:var(--c-on-accent); border-color:var(--c-accent) }
.badge--recommended { background:var(--c-accent-tint); color:var(--c-accent-dark); border-color:var(--c-border) }
.badge--retired { background:var(--c-panel); color:var(--c-muted); border-color:var(--c-border) }
.article-card { display:flex; flex-direction:column; padding:28px; border:1px solid var(--c-border); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text) }
.article-card__meta { display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-bottom:20px; font-size:12px; color:var(--c-muted) }
.article-card__meta time { font-family:var(--font-mono) }
.article-card h3 { font-size:20px; line-height:1.5 }
.article-card h3 a { color:var(--c-accent) }
.article-card h3 a:hover { text-decoration:underline; text-underline-offset:4px }
.article-card p { margin-top:16px; margin-bottom:24px; color:var(--c-muted) }
.article-card__more { margin-top:auto; align-self:flex-end; color:var(--c-accent) }
.callout { padding:20px 24px; border:1px solid var(--c-border); border-left:2px solid var(--c-accent); border-radius:var(--r-ctrl); background:var(--c-panel-2); color:var(--c-text); line-height:1.8 }
.callout strong { color:var(--c-accent-dark) }
.callout p + p { margin-top:12px }
.callout--warn { border-left-color:var(--c-warn); background:var(--c-panel); color:var(--c-text) }
.callout--error { border-left-color:var(--c-error); background:var(--c-panel); color:var(--c-text) }
.table-scroll { max-width:100%; min-width:0; overflow-x:auto; -webkit-overflow-scrolling:touch; overscroll-behavior-x:contain; border:1px solid var(--c-border); border-radius:var(--r-card) }
.data-table { width:100%; border-collapse:collapse; font-size:14px; background:var(--c-bg); color:var(--c-text) }
.data-table th,.data-table td,.prose table th,.prose table td,.article-body table th,.article-body table td { min-width:7em; padding:16px 20px; border-bottom:1px solid var(--c-border); text-align:left; vertical-align:top; overflow-wrap:normal; word-break:normal }
.data-table th,.prose table th,.article-body table th { background:var(--c-panel); color:var(--c-text); font-weight:var(--weight-emphasis) }
.prose table,.article-body table { display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; max-width:100%; min-width:0; border-collapse:collapse; background:var(--c-bg); color:var(--c-text) }
.data-table td code,.prose table code,.article-body table code { overflow-wrap:anywhere }
.dl-fab { position:fixed; right:24px; bottom:24px; z-index:var(--z-fab); display:flex; align-items:center; gap:14px; max-width:calc(100% - 40px); padding:14px 20px; border:1px solid var(--c-accent); border-radius:var(--r-ctrl); background:var(--c-accent); color:var(--c-on-accent); font-size:14px }
.dl-fab svg { width:24px; height:24px; flex-shrink:0 }
.dl-fab:hover { background:var(--c-accent-dark); color:var(--c-on-accent) }
.dl-fab small { display:block; font-size:12px }
.article-download { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:24px; margin-top:48px; padding:28px; border:1px solid var(--c-border); border-left:2px solid var(--c-accent); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text) }
.article-download p { margin-top:8px; color:var(--c-muted) }
.manual-band { background:var(--c-panel-2); color:var(--c-text) }
.manual-band__inner { display:grid; grid-template-columns:1fr 2fr; gap:48px; align-items:center; padding-top:36px; padding-bottom:36px }
.manual-band__copy { display:flex; justify-content:space-between; align-items:center; gap:32px; flex-wrap:wrap }
.manual-band__copy p { max-width:28em; font-size:20px; line-height:1.6 }
.mini-glass { position:relative; overflow:hidden; min-height:160px; border-radius:var(--r-card); background:linear-gradient(140deg,var(--c-field-a),var(--c-field-b)); color:var(--c-glass-text) }
.mini-glass::before,.mini-glass::after { content:""; position:absolute; width:44%; height:58%; top:18%; border:1px solid var(--c-glass-edge); border-radius:var(--r-card); transform:perspective(500px) rotateX(20deg) rotateY(-24deg); background:radial-gradient(circle at 80% 35%,var(--c-orb-pink),var(--c-clear) 65%),linear-gradient(150deg,var(--c-glass-top),var(--c-glass-low)); box-shadow:inset 0 1px 0 var(--c-glass-hi),0 6px 0 var(--c-glass-side) }
.mini-glass::before { left:18% }
.mini-glass::after { left:40%; top:30%; background:radial-gradient(circle at 30% 70%,var(--c-orb-violet),var(--c-clear) 65%),linear-gradient(150deg,var(--c-glass-top),var(--c-glass-low)) }
.platform-tile { display:flex; flex-direction:column; gap:16px; min-height:220px; padding:24px; border:1px solid var(--c-border); border-radius:var(--r-card); background:var(--c-bg); color:var(--c-text) }
.platform-tile:hover { border-color:var(--c-accent) }
.platform-tile__bottom { display:flex; align-items:flex-end; justify-content:space-between; margin-top:auto }
.platform-tile__bottom svg { width:40px; height:40px }
.platform-tile__arrow { font-size:24px; color:var(--c-accent) }
/* Preview furniture stays available to page authors without inline styles. */
.swatch-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px }
.swatch { border:1px solid var(--c-border); border-radius:var(--r-card); overflow:hidden }
.swatch__paint { display:block; height:64px; border-bottom:1px solid var(--c-border) }
.swatch code { display:block; padding:10px; font-size:12px }
.swatch--bg { background:var(--c-bg) }
.swatch--panel { background:var(--c-panel) }
.swatch--panel2 { background:var(--c-panel-2) }
.swatch--border { background:var(--c-border) }
.swatch--accent { background:var(--c-accent) }
.swatch--dark { background:var(--c-accent-dark) }
.swatch--tint { background:var(--c-accent-tint) }
.swatch--text { background:var(--c-text) }
.swatch--muted { background:var(--c-muted) }
.swatch--success { background:var(--c-success) }
.swatch--warn { background:var(--c-warn) }
.swatch--error { background:var(--c-error) }
.swatch--field-a { background:var(--c-field-a) }
.swatch--field-b { background:var(--c-field-b) }
.swatch--violet { background:var(--c-orb-violet) }
.swatch--pink { background:var(--c-orb-pink) }
.token-note { margin-top:24px; color:var(--c-muted); line-height:1.9 }
.spec-stack > * + * { margin-top:24px }
@keyframes drift-a { from { transform:translate3d(0,0,0) scale(1); opacity:.86 } to { transform:translate3d(-7%,6%,0) scale(1.08); opacity:1 } }
@keyframes drift-b { from { transform:translate3d(0,0,0) scale(.94); opacity:.78 } to { transform:translate3d(-10%,12%,0) scale(1.06); opacity:1 } }
@keyframes drift-c { from { transform:translate3d(0,0,0) scale(1); opacity:1 } to { transform:translate3d(8%,-6%,0) scale(1.1); opacity:.84 } }
@keyframes breathe { from { transform:translate3d(0,0,0) scale(.92); opacity:.72 } to { transform:translate3d(-8%,10%,0) scale(1.08); opacity:1 } }
@media (max-width:1180px) {
  .hero__visual { grid-template-columns:1fr }
  .updates__list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); column-gap:24px }
}
@media (max-width:900px) {
  .hero { padding-top:32px }
  .hero__grid { grid-template-columns:1fr; gap:32px }
  .hero__copy { min-height:0 }
  .hero__title { font-size:clamp(24px,7vw,30px); margin-top:18px }
  .hero__lead { margin-top:0; padding-top:24px }
  .hero__desc { font-size:16px }
  .render { min-height:0; aspect-ratio:16/10 }
  .updates__list { display:block }
  .update a { display:grid; grid-template-columns:minmax(0,1fr) auto; column-gap:16px; row-gap:4px; padding-top:16px; padding-bottom:16px }
  .update time { grid-column:1; grid-row:1 }
  .update__title { grid-column:1; grid-row:2 }
  .update svg { grid-column:2; grid-row:1 / span 2; align-self:center }
  .statusbar__seg:nth-child(n+4) { display:none }
  .chapters { padding-top:56px }
  .chapters__head { flex-direction:column; align-items:flex-start; gap:12px }
  .chapters__title { font-size:22px }
  .tabs--chapters { grid-template-columns:1fr; gap:24px }
  .tabs--chapters .tabs__list { flex-direction:row; flex-wrap:wrap; gap:4px }
  .tabs--chapters [role="tab"] { width:auto; padding:12px }
  .manual-band__inner { grid-template-columns:1fr; gap:24px }
  .mini-glass { max-width:360px }
}
@media (max-width:640px) {
  .render__chrome { height:30px; font-size:11px }
  .render__stage { inset:30px 0 0 }
  .render__fmt { display:none }
  .plate__rule,.plate__code { display:none }
  .statusbar__seg:nth-child(n+3) { display:none }
  .chapter-panel,.client-card,.article-card { padding:20px }
  .toc { position:static }
  .swatch-grid { grid-template-columns:repeat(2,minmax(0,1fr)) }
  .dl-fab { right:20px; bottom:20px; padding:12px 16px }
  .article-download { padding:20px }
}
@media (prefers-reduced-motion:reduce) {
  .orb,.plate__glow { animation:none; transform:none; opacity:1 }
  .render__pause { display:none }
}