@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400..600;1,8..60,400..600&display=swap');
:root{
  --ground:#f7f8fa; --surface:#ffffff; --raise:#eff1f5; --card:#ffffff;
  --ink:#1d2129; --strong:#0e1116; --muted:#5c6470; --faint:#8b93a0;
  --line:rgba(18,26,38,.12); --hairline:rgba(18,26,38,.075);
  --accent:#0a69da; --accent-ink:#085ec2; --tint:rgba(10,105,218,.085); --tint-line:rgba(10,105,218,.28);
  --ok:#189a4e;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 1px 2px rgba(14,20,30,.05),0 10px 30px -18px rgba(14,20,30,.18);
  --shadow-lg:0 28px 70px -24px rgba(14,20,30,.4);
  --article:46rem; --side:16.5rem;
}
@media (prefers-color-scheme:dark){:root{
  --ground:#0b0c0f; --surface:#121419; --raise:#1a1d24; --card:#14171d;
  --ink:#d8dde5; --strong:#f4f6fa; --muted:#8f98a5; --faint:#5f6875;
  --line:rgba(226,235,248,.13); --hairline:rgba(226,235,248,.07);
  --accent:#3f97f5; --accent-ink:#7cb5f9; --tint:rgba(77,159,255,.12); --tint-line:rgba(77,159,255,.38);
  --ok:#3ecf7a;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 14px 34px -16px rgba(0,0,0,.6);
  --shadow-lg:0 34px 80px -24px rgba(0,0,0,.75);
}}
:root[data-theme="light"]{
  --ground:#f7f8fa; --surface:#ffffff; --raise:#eff1f5; --card:#ffffff;
  --ink:#1d2129; --strong:#0e1116; --muted:#5c6470; --faint:#8b93a0;
  --line:rgba(18,26,38,.12); --hairline:rgba(18,26,38,.075);
  --accent:#0a69da; --accent-ink:#085ec2; --tint:rgba(10,105,218,.085); --tint-line:rgba(10,105,218,.28);
  --ok:#189a4e;
  --shadow:0 1px 2px rgba(14,20,30,.05),0 10px 30px -18px rgba(14,20,30,.18);
  --shadow-lg:0 28px 70px -24px rgba(14,20,30,.4);
}
:root[data-theme="dark"]{
  --ground:#0b0c0f; --surface:#121419; --raise:#1a1d24; --card:#14171d;
  --ink:#d8dde5; --strong:#f4f6fa; --muted:#8f98a5; --faint:#5f6875;
  --line:rgba(226,235,248,.13); --hairline:rgba(226,235,248,.07);
  --accent:#3f97f5; --accent-ink:#7cb5f9; --tint:rgba(77,159,255,.12); --tint-line:rgba(77,159,255,.38);
  --ok:#3ecf7a;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 14px 34px -16px rgba(0,0,0,.6);
  --shadow-lg:0 34px 80px -24px rgba(0,0,0,.75);
}
*{box-sizing:border-box}
html{color-scheme:light dark}
:root[data-theme="light"]{color-scheme:light}
:root[data-theme="dark"]{color-scheme:dark}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent-ink);text-decoration:none}
code{font-family:var(--mono)}
::selection{background:var(--tint)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.app{display:grid;grid-template-columns:var(--side) minmax(0,1fr);min-height:100vh}

.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;background:var(--surface);
  border-right:1px solid var(--hairline);z-index:40;transition:transform .28s cubic-bezier(.4,0,.2,1)}
.side-head{padding:1.2rem 1.2rem .95rem;border-bottom:1px solid var(--hairline)}
.brand{display:flex;align-items:baseline;gap:.55rem}
.brand b{font-family:var(--mono);font-weight:650;font-size:1rem;letter-spacing:-.02em;color:var(--strong)}
.brand .tag{font-size:.58rem;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);
  border:1px solid var(--line);border-radius:99px;padding:.14rem .45rem}
.cov{margin-top:.9rem}
.cov-row{display:flex;justify-content:space-between;align-items:baseline;font-size:.68rem;color:var(--faint);margin-bottom:.35rem}
.cov-row b{color:var(--ok);font-variant-numeric:tabular-nums;font-family:var(--mono);font-weight:600;font-size:.72rem}
.cov-bar{height:4px;border-radius:99px;background:var(--raise);overflow:hidden}
.cov-bar span{display:block;height:100%;border-radius:99px;background:var(--ok);
  transform-origin:left;animation:grow 1s cubic-bezier(.2,.7,.2,1) both}
@keyframes grow{from{transform:scaleX(0)}}
.search-btn{margin:.85rem 1.2rem;display:flex;align-items:center;gap:.5rem;width:calc(100% - 2.4rem);
  padding:.5rem .7rem;border:1px solid var(--line);border-radius:9px;background:var(--ground);
  color:var(--faint);font-family:var(--sans);font-size:.8rem;cursor:pointer;transition:border-color .15s,color .15s}
.search-btn:hover{border-color:var(--tint-line);color:var(--muted)}
.search-btn kbd{margin-left:auto;font-family:var(--mono);font-size:.64rem;color:var(--faint);
  border:1px solid var(--line);border-radius:5px;padding:.06rem .32rem;background:var(--surface)}
.tree{flex:1;overflow-y:auto;padding:.3rem .75rem 1.6rem;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.tree::-webkit-scrollbar{width:8px}
.tree::-webkit-scrollbar-thumb{background:var(--line);border-radius:9px;border:2px solid var(--surface)}
.doclinks{display:flex;flex-direction:column;gap:1px;padding:.2rem 0 .5rem}
.doclink{display:flex;align-items:center;gap:.55rem;padding:.42rem .6rem;border-radius:8px;
  font-size:.85rem;color:var(--ink);font-weight:500;transition:background .12s}
.doclink svg{width:.95rem;height:.95rem;color:var(--faint);flex:none}
.doclink:hover{background:var(--raise)}
.doclink.on{background:var(--tint);color:var(--accent-ink);font-weight:600}
.doclink.on svg{color:var(--accent)}
.tree-cap{padding:1.1rem .6rem .35rem;font-size:.62rem;font-weight:650;letter-spacing:.13em;
  text-transform:uppercase;color:var(--faint)}
.group{margin-top:.15rem}
.group-h{display:flex;align-items:center;gap:.45rem;width:100%;background:none;border:0;cursor:pointer;
  padding:.45rem .6rem;border-radius:8px;color:var(--muted);font-family:var(--mono);font-size:.72rem;
  font-weight:600;text-align:left;overflow-wrap:anywhere;line-height:1.4;transition:background .12s}
.group-h:hover{background:var(--raise)}
.group-h .chev{transition:transform .2s;font-size:.85rem;line-height:1;color:var(--faint);flex:none}
.group.collapsed .chev{transform:rotate(-90deg)}
.group.collapsed .items{display:none}
.items{display:flex;flex-direction:column;gap:1px;padding-left:.55rem}
.item{display:block;padding:.3rem .6rem;border-radius:7px;font-family:var(--mono);font-size:.76rem;
  color:var(--muted);overflow-wrap:anywhere;position:relative;transition:background .12s,color .12s}
.item:hover{background:var(--raise);color:var(--ink)}
.item.on{background:var(--tint);color:var(--accent-ink);font-weight:600}
.item-g{display:block;padding:.36rem .6rem;border-radius:7px;font-size:.8rem;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .12s,color .12s}
.item-g:hover{background:var(--raise);color:var(--ink)}
.item-g.on{background:var(--tint);color:var(--accent-ink);font-weight:600}

.content{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:.75rem;height:3.25rem;
  padding:0 1.5rem;background:color-mix(in srgb,var(--ground) 72%,transparent);
  backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);
  border-bottom:1px solid var(--hairline)}
.crumb{display:flex;align-items:center;gap:.45rem;font-family:var(--mono);font-size:.76rem;color:var(--faint);min-width:0}
.crumb .sep{color:var(--line)}
.crumb b{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.spacer{flex:1}
.icon-btn{display:grid;place-items:center;width:2rem;height:2rem;border:1px solid transparent;
  border-radius:8px;background:none;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}
.icon-btn:hover{color:var(--ink);background:var(--raise)}
.icon-btn svg{width:1rem;height:1rem}
.menu-btn{display:none}
.sun{display:none}
:root[data-theme="dark"] .sun{display:block}
:root[data-theme="dark"] .moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .sun{display:block}
  :root:not([data-theme="light"]) .moon{display:none}}

.mid{display:grid;grid-template-columns:1fr minmax(0,var(--article)) 1fr;column-gap:2.75rem}
.mid:has(.doc.reading){--article:42.5rem}
.doc{grid-column:2;min-width:0;padding:3rem 0 7rem;line-height:1.72;animation:rise .45s cubic-bezier(.2,.7,.2,1) both}
.doc.reading p{margin:1.1rem 0}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
.doc h1{font-size:1.85rem;font-weight:650;letter-spacing:-.021em;color:var(--strong);
  margin:.15rem 0 1.05rem;text-wrap:balance;line-height:1.18}
.doc h1.mono{font-family:var(--mono);font-size:1.6rem;letter-spacing:-.01em;overflow-wrap:anywhere}
.eyebrow{font-size:.7rem;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.65rem}
.eyebrow code{font-size:.95em;text-transform:none;letter-spacing:.02em;color:var(--muted)}
.doc h2{font-size:1.25rem;font-weight:650;letter-spacing:-.014em;margin:2.6rem 0 .9rem;color:var(--strong)}
.doc h3{font-size:1.02rem;font-weight:650;margin:1.7rem 0 .45rem;color:var(--strong)}
.doc h4{font-size:.92rem;font-weight:650;margin:1.2rem 0 .3rem}
.doc p{margin:.9rem 0}
.doc p a,.doc li a,.doc td a{text-decoration:underline;
  text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent);text-underline-offset:3px}
.doc p a:hover,.doc li a:hover,.doc td a:hover{text-decoration-color:var(--accent)}
.doc .rows a,.doc .chips a,.doc .feats a{text-decoration:none}
p code,li code,.chips code,.xref code,dd code{background:var(--raise);
  padding:.1em .36em;border-radius:5px;font-size:.84em;color:var(--ink)}
pre{background:var(--raise);border:1px solid var(--hairline);border-radius:12px;
  padding:1rem 1.2rem;overflow-x:auto;font-family:var(--mono);font-size:.82rem;line-height:1.6;color:var(--ink)}
.prewrap{position:relative;margin:1.15rem 0}
.prewrap pre{margin:0}
.copy{position:absolute;top:.55rem;right:.55rem;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);border-radius:7px;font-family:var(--sans);font-size:.68rem;font-weight:550;
  padding:.26rem .6rem;opacity:0;cursor:pointer;transition:opacity .15s,color .15s,border-color .15s}
.prewrap:hover .copy,.copy:focus-visible{opacity:1}
.copy.done{color:var(--ok);border-color:var(--ok);opacity:1}
.section-h{display:flex;align-items:center;gap:.75rem;margin:3rem 0 1.15rem}
.section-h h2{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:0;font-weight:650}
.section-h .rule{flex:1;height:1px;background:var(--hairline)}
.chips{color:var(--muted);font-size:.85rem;line-height:2}
.chips a{color:var(--accent-ink)}
.stat{font-family:var(--mono);font-size:.85rem;color:var(--muted)}

.graph-wrap{position:relative;margin:1.5rem 0}
.graph-shell{border:1px solid var(--hairline);border-radius:16px;margin:0;background:
  radial-gradient(circle at 1px 1px,var(--hairline) 1px,transparent 0) 0 0/22px 22px,var(--surface);
  overflow:auto;max-height:33rem;display:flex;justify-content:safe center;
  align-items:safe center;box-shadow:var(--shadow)}
.graph-tools{position:absolute;top:.65rem;right:.65rem;display:flex;gap:.3rem;z-index:2}
.graph-tools button{min-width:1.9rem;height:1.9rem;padding:0 .5rem;border:1px solid var(--line);
  border-radius:8px;background:var(--surface);color:var(--muted);font-family:var(--sans);
  font-size:.8rem;cursor:pointer;transition:color .15s,border-color .15s}
.graph-tools button:hover{color:var(--accent-ink);border-color:var(--tint-line)}
.row-cap{margin:1.7rem 0 .1rem;font-size:.7rem;font-weight:650;letter-spacing:.11em;
  text-transform:uppercase;color:var(--faint)}
pre.mermaid{margin:0;padding:1.8rem;background:none;border:0;border-radius:0;overflow:visible;
  font-size:.78rem;color:var(--faint)}

.rows{list-style:none;padding:0;margin:.3rem 0 1.6rem}
.rows li{border-top:1px solid var(--hairline)}
.rows li:first-child{border-top:0}
.rows a{display:block;padding:.72rem .1rem}
.row-name{display:inline-block;font-weight:600;color:var(--accent-ink);font-size:.94rem}
.rows a:hover .row-name{text-decoration:underline;text-underline-offset:3px}
.rows.mono .row-name{font-family:var(--mono);font-size:.85rem;overflow-wrap:anywhere}
.row-desc{display:block;color:var(--muted);font-size:.87rem;margin-top:.14rem;line-height:1.55}
.ref-dir{margin:1.8rem 0 .1rem;font-family:var(--mono);font-size:.76rem;font-weight:600;color:var(--faint)}
.ref-dir code{background:none;border:0;padding:0;color:inherit}
.arch{display:flex;flex-direction:column}
.arch-sec{border-top:1px solid var(--hairline);padding:1.8rem 0 .5rem}
.arch-sec h2{font-family:var(--mono);font-size:1.02rem;margin:0 0 .55rem}
.arch-sec h2 a{color:var(--strong)}
.arch-sec h2 a:hover{color:var(--accent-ink)}

.hero-band{position:relative;overflow:hidden;border-bottom:1px solid var(--hairline);
  background:linear-gradient(180deg,var(--tint),transparent 82%)}
.hero-in{position:relative;max-width:var(--article);margin:0 auto;padding:2.7rem 0 2.1rem}
.hero-in h1{font-size:1.9rem;font-weight:700;letter-spacing:-.022em;color:var(--strong);
  margin:.3rem 0 .55rem;line-height:1.15;text-wrap:balance}
.hero-in h1.mono{font-family:var(--mono);font-size:1.6rem;overflow-wrap:anywhere}
.hero-in .lede{margin-bottom:.2rem}
.hero-art{position:absolute;right:-3.5rem;top:-3.5rem;width:24rem;height:24rem;color:var(--accent);
  opacity:.16;pointer-events:none}
.metarow{display:flex;flex-wrap:wrap;gap:1.6rem;margin-top:1.15rem;font-size:.78rem;color:var(--muted)}
.metarow code{background:none;border:0;padding:0;color:var(--muted);font-size:.95em}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:2.75rem;align-items:center}
.hero-in:has(.hero-grid){max-width:74rem}
@media (min-width:1100px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,27rem)}}
.hero{padding:.6rem 0 .4rem;min-width:0}
.hero h1{font-size:clamp(2.3rem,4.8vw,3.2rem);line-height:1.05;letter-spacing:-.028em;margin:.4rem 0 .7rem}
.hero .lede{margin-bottom:1.4rem}
.hero .stats{margin:1.9rem 0 0}
.pill{display:inline-flex;align-items:center;gap:.45rem;padding:.36rem .85rem;border:1px solid var(--tint-line);
  border-radius:99px;background:var(--tint);color:var(--accent-ink);font-size:.75rem;font-weight:650;
  letter-spacing:.02em;margin-bottom:1.2rem}
.cmdchip{display:flex;align-items:center;gap:.6rem;margin:.1rem 0 1.3rem;padding:.4rem .4rem .4rem .95rem;
  border:1px solid var(--line);border-radius:12px;background:var(--surface);font-family:var(--mono);
  font-size:.8rem;color:var(--ink);max-width:30rem}
.cmdchip .c-cmd{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.cmdchip button{flex:none;border:1px solid var(--line);background:var(--raise);color:var(--muted);
  border-radius:8px;font-family:var(--sans);font-size:.7rem;font-weight:600;padding:.34rem .7rem;
  cursor:pointer;transition:color .15s,border-color .15s}
.cmdchip button:hover{color:var(--accent-ink);border-color:var(--tint-line)}
.cmdchip button.done{color:var(--ok);border-color:var(--ok)}
.hero-side{min-width:0}
.term{border:1px solid rgba(140,150,168,.25);border-radius:14px;background:#0d1117;
  box-shadow:var(--shadow-lg);overflow:hidden}
.t-head{display:flex;align-items:center;gap:.45rem;padding:.6rem .95rem;background:#151b23;
  border-bottom:1px solid rgba(255,255,255,.06)}
.t-dot{width:.68rem;height:.68rem;border-radius:99px}
.t-title{margin-left:.45rem;font-family:var(--mono);font-size:.7rem;color:#8b95a3}
.t-body{padding:1.05rem 1.2rem;font-family:var(--mono);font-size:.78rem;line-height:2;
  color:#d7dde6;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#2a3140 transparent}
.t-line{white-space:pre;opacity:0;animation:tline .4s ease-out forwards;
  animation-delay:calc(var(--i,0)*110ms)}
@keyframes tline{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.t-p{color:#3fcf8e;margin-right:.6rem}
.t-c{color:#7c8797}
.t-cur{display:inline-block;width:.55em;height:1.05em;background:#d7dde6;vertical-align:text-bottom;
  animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.feats{list-style:none;padding:0;margin:2.4rem 0 .4rem;display:grid;gap:.9rem;
  grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}
.feats a{display:block;height:100%;border:1px solid var(--hairline);border-radius:14px;
  padding:1.1rem 1.15rem;background:var(--card);transition:border-color .16s,box-shadow .16s}
.feats a:hover{border-color:var(--tint-line);box-shadow:var(--shadow)}
.f-ico{display:grid;place-items:center;width:2.3rem;height:2.3rem;border-radius:10px;
  background:var(--tint);color:var(--accent-ink);margin-bottom:.75rem}
.f-ico svg{width:1.2rem;height:1.2rem}
.f-name{display:block;font-weight:650;color:var(--strong);font-size:.94rem}
.f-desc{display:block;color:var(--muted);font-size:.84rem;margin-top:.3rem;line-height:1.5}
.lede{font-size:1.1rem;color:var(--muted);max-width:37rem;margin:.2rem 0 1.4rem;line-height:1.6;text-wrap:pretty}
.stats{display:flex;flex-wrap:wrap;gap:2.4rem;margin:0 0 1.8rem}
.stat-b b{display:block;font-size:1.45rem;font-weight:650;color:var(--strong);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2}
.stat-b span{font-size:.72rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--faint)}
.cta{display:flex;flex-wrap:wrap;gap:.7rem}
.btn{display:inline-flex;align-items:center;text-decoration:none;padding:.55rem 1.25rem;border-radius:99px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:.9rem;font-weight:550;
  transition:border-color .15s,background .15s,color .15s}
.btn:hover{border-color:var(--tint-line);color:var(--accent-ink)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink);color:#fff}
:root[data-theme="dark"] .btn-primary{color:#0b0c0f}
:root[data-theme="dark"] .btn-primary:hover{color:#0b0c0f}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#0b0c0f}
  :root:not([data-theme="light"]) .btn-primary:hover{color:#0b0c0f}}

.api{display:flex;flex-direction:column;margin-top:.2rem}
.api-entry{position:relative;padding:1.55rem 0 .9rem;border-top:1px solid var(--hairline)}
.api-entry:first-child{border-top:0;padding-top:.4rem}
.api-entry.method{margin-left:1.5rem}
.api-entry h3{font-weight:600;margin:0;display:flex;gap:.6rem;align-items:flex-start}
.kindb{flex:none;display:inline-grid;place-items:center;width:1.4rem;height:1.4rem;margin-top:.5rem;
  border-radius:7px;background:var(--tint);color:var(--accent-ink);font-family:var(--mono);
  font-size:.68rem;font-weight:650}
.api-entry h3 code{flex:1;display:block;background:var(--raise);border:1px solid var(--hairline);border-radius:10px;
  padding:.72rem .95rem;font-size:.85rem;line-height:1.55;color:var(--ink);overflow-x:auto;overflow-wrap:anywhere}
.api-entry h3 code b{font-weight:650;color:var(--accent-ink)}
.api-entry.method h3 code{font-size:.82rem}
.src{font-family:var(--mono);font-size:.68rem;color:var(--faint);margin:.5rem 0 .65rem}
.api-entry p{margin:.55rem 0;font-size:.92rem}
.xref{display:flex;flex-wrap:wrap;gap:.4rem;row-gap:.55rem;margin-top:.75rem;font-size:.74rem;color:var(--faint)}
.xref code{font-size:.92em}
.doc table{border-collapse:collapse;margin:1.2rem 0;font-size:.88rem;display:block;overflow-x:auto}
.doc th,.doc td{border:1px solid var(--hairline);padding:.45rem .75rem;text-align:left;vertical-align:top}
.doc th{background:var(--raise);font-weight:600}
dl.params{margin:.75rem 0 .2rem;font-size:.88rem}
dl.params dt{font-family:var(--mono);font-size:.82rem;color:var(--strong);margin:.6rem 0 .1rem}
dl.params dd{margin:0 0 .4rem;padding-left:1rem;border-left:2px solid var(--raise);color:var(--muted)}
details{margin-top:1.6rem;border:1px dashed var(--line);border-radius:12px;padding:.2rem 1rem;color:var(--muted)}
summary{cursor:pointer;padding:.65rem 0;font-size:.85rem;font-weight:600}
ul{padding-left:1.2rem}

.toc-rail{grid-column:3;justify-self:start;width:12.5rem;padding:3.3rem 1rem 2rem 0;font-size:.78rem}
.toc-in{position:sticky;top:4.4rem;max-height:calc(100vh - 6rem);overflow-y:auto;scrollbar-width:thin;
  scrollbar-color:var(--line) transparent}
.toc-cap{font-size:.62rem;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 .5rem}
.toc-in nav{border-left:1px solid var(--hairline)}
.toc-link{display:block;padding:.24rem .8rem;color:var(--muted);border-left:1px solid transparent;
  margin-left:-1px;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .12s,border-color .12s}
.toc-link:hover{color:var(--ink)}
.toc-link.on{color:var(--accent-ink);border-left-color:var(--accent);font-weight:600}
.toc-link.mono{font-family:var(--mono);font-size:.72rem}

.scrim{position:fixed;inset:0;background:rgba(8,10,15,.45);backdrop-filter:blur(2px);opacity:0;
  pointer-events:none;transition:opacity .2s;z-index:60}
.scrim.on{opacity:1;pointer-events:auto}
.palette{position:fixed;top:13vh;left:50%;transform:translateX(-50%) scale(.98);width:min(37rem,92vw);
  background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);
  z-index:70;opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;overflow:hidden}
.palette.on{opacity:1;pointer-events:auto;transform:translateX(-50%) scale(1)}
.palette input{width:100%;border:0;border-bottom:1px solid var(--hairline);background:none;color:var(--ink);
  font-family:var(--sans);font-size:1rem;padding:1.05rem 1.3rem;outline:none}
.palette input::placeholder{color:var(--faint)}
.results{max-height:min(52vh,26rem);overflow-y:auto;padding:.5rem;scrollbar-width:thin;
  scrollbar-color:var(--line) transparent}
.res{display:flex;align-items:center;gap:.7rem;padding:.55rem .75rem;border-radius:9px;cursor:pointer;text-decoration:none}
.res:hover{background:var(--raise)}
.res.sel{background:var(--tint)}
.res .kind{font-family:var(--mono);font-size:.56rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);
  border:1px solid var(--line);border-radius:5px;padding:.12rem .3rem;flex:none;width:3.6rem;text-align:center}
.res.sel .kind{color:var(--accent-ink);border-color:var(--tint-line)}
.res .nm{font-family:var(--mono);font-size:.84rem;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.res.sel .nm{color:var(--accent-ink)}
.res .ctx{margin-left:auto;font-size:.7rem;color:var(--faint);white-space:nowrap}
.res-empty{padding:1.6rem;text-align:center;color:var(--faint);font-size:.88rem}
.pal-foot{display:flex;gap:1rem;padding:.55rem 1.1rem;border-top:1px solid var(--hairline);font-size:.66rem;color:var(--faint)}
.pal-foot kbd{font-family:var(--mono);border:1px solid var(--line);border-radius:4px;padding:0 .3rem;margin-right:.25rem}

@media (max-width:1279px){
  .mid{grid-template-columns:1fr minmax(0,var(--article)) 1fr;column-gap:0}
  .toc-rail{display:none}
  .doc{padding-left:2rem;padding-right:2rem}
  .hero-in{padding-left:2rem;padding-right:2rem}
}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;top:0;left:0;width:min(19rem,86vw);transform:translateX(-101%)}
  .side.open{transform:none;box-shadow:var(--shadow-lg)}
  .menu-btn{display:grid}
  .doc{padding:2rem 1.3rem 5rem}
  .hero-in{padding:2rem 1.3rem 1.7rem}
  .stats{gap:1.6rem}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}
  .t-line{opacity:1}}

/* aliro-theme */
:root{
  --ground:#faf9f5; --surface:#faf9f5; --raise:#f0eee6; --card:#ffffff;
  --ink:#3d3d3a; --strong:#141413; --muted:#73726c; --faint:#9c9a92;
  --line:rgba(31,30,29,.15); --hairline:rgba(31,30,29,.08);
  --accent:#c96442; --accent-ink:#141413;
  --tint:rgba(20,20,19,.07); --tint-line:rgba(31,30,29,.24);
  --shadow:0 1px 2px rgba(31,30,29,.04),0 12px 32px -20px rgba(31,30,29,.16);
  --shadow-lg:0 30px 70px -26px rgba(31,30,29,.35);
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --codebg:#1f1e1d; --codeink:#dedcd3; --codeline:rgba(250,249,245,.09);
  --herotint:rgba(201,100,66,.055);
}
@media (prefers-color-scheme:dark){:root{
  --ground:#1f1e1d; --surface:#1b1a19; --raise:#302f2c; --card:#262624;
  --ink:#c2c0b6; --strong:#faf9f5; --muted:#9e9c93; --faint:#6e6c64;
  --line:rgba(250,249,245,.13); --hairline:rgba(250,249,245,.07);
  --accent:#d97757; --accent-ink:#d4a27f;
  --tint:rgba(212,162,127,.13); --tint-line:rgba(212,162,127,.38);
  --shadow:0 1px 2px rgba(0,0,0,.5),0 14px 34px -16px rgba(0,0,0,.55);
  --shadow-lg:0 34px 80px -24px rgba(0,0,0,.7);
  --codebg:#171614; --codeink:#d6d3c9; --codeline:rgba(250,249,245,.07);
  --herotint:rgba(212,162,127,.05);
}}
:root[data-theme="light"]{
  --ground:#faf9f5; --surface:#faf9f5; --raise:#f0eee6; --card:#ffffff;
  --ink:#3d3d3a; --strong:#141413; --muted:#73726c; --faint:#9c9a92;
  --line:rgba(31,30,29,.15); --hairline:rgba(31,30,29,.08);
  --accent:#c96442; --accent-ink:#141413;
  --tint:rgba(20,20,19,.07); --tint-line:rgba(31,30,29,.24);
  --shadow:0 1px 2px rgba(31,30,29,.04),0 12px 32px -20px rgba(31,30,29,.16);
  --shadow-lg:0 30px 70px -26px rgba(31,30,29,.35);
  --codebg:#1f1e1d; --codeink:#dedcd3; --codeline:rgba(250,249,245,.09);
  --herotint:rgba(201,100,66,.055);
}
:root[data-theme="dark"]{
  --ground:#1f1e1d; --surface:#1b1a19; --raise:#302f2c; --card:#262624;
  --ink:#c2c0b6; --strong:#faf9f5; --muted:#9e9c93; --faint:#6e6c64;
  --line:rgba(250,249,245,.13); --hairline:rgba(250,249,245,.07);
  --accent:#d97757; --accent-ink:#d4a27f;
  --tint:rgba(212,162,127,.13); --tint-line:rgba(212,162,127,.38);
  --shadow:0 1px 2px rgba(0,0,0,.5),0 14px 34px -16px rgba(0,0,0,.55);
  --shadow-lg:0 34px 80px -24px rgba(0,0,0,.7);
  --codebg:#171614; --codeink:#d6d3c9; --codeline:rgba(250,249,245,.07);
  --herotint:rgba(212,162,127,.05);
}

/* Display headings. Direct children only: the nested h2s — the uppercase
   .section-h rails and the per-module .arch-sec headings — keep the sans
   they were designed around. The .mono variants outrank these on
   specificity, so API titles stay monospace untouched. */
.doc>h1,.doc>h2,.doc>h3,.hero-in h1,.hero h1{font-family:var(--serif);letter-spacing:0}
.doc>h1{font-size:2.05rem;font-weight:430;line-height:1.22}
.hero-in h1{font-size:2.15rem;font-weight:430;line-height:1.22}
.hero h1{font-size:clamp(2.5rem,5vw,3.35rem);font-weight:420;line-height:1.1}
.doc>h2{font-size:1.42rem;font-weight:500}
.doc>h3{font-size:1.1rem;font-weight:550}

/* Code panels stay dark on paper in both schemes; inline code keeps the
   light chip the base sheet gives it. */
pre{background:var(--codebg);border-color:var(--codeline);color:var(--codeink)}
.hero-band{background:linear-gradient(180deg,var(--herotint),transparent 82%)}
.term{background:var(--codebg);border-color:var(--codeline)}
.btn-primary:hover{background:#a34f31;border-color:#a34f31}
:root[data-theme="dark"] .btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}}

/* Readability: a larger, airier measure throughout. Bumping the root size
   scales every rem-based component with it, sidebar included. */
html{font-size:17px}
:root{--article:48rem}
.doc{line-height:1.78}
.doc p{margin:1.05rem 0}
.lede{font-size:1.16rem;line-height:1.65}
.doc>h1{font-size:2.35rem}
.hero-in h1{font-size:2.45rem}
.doc>h2{font-size:1.6rem;margin:3rem 0 1rem}
.doc>h3{font-size:1.22rem;margin:2rem 0 .6rem}
pre{padding:1rem 1.15rem;font-size:.86rem;line-height:1.7}
p code,li code,.chips code,.xref code,dd code{padding:.12em .38em;border-radius:6px;font-size:.85em}

/* Tables read like Claude's: horizontal hairlines only, a firmer header rule. */
.doc th,.doc td{border:0;border-bottom:1px solid var(--hairline);padding:.6rem .8rem}
.doc thead th{border-bottom:1px solid var(--line);font-weight:600}

/* Solid topbar: the translucent blur smeared over images as they scrolled
   underneath. The crumb drops the monospace for a quiet sans. */
.topbar{background:var(--ground);backdrop-filter:none;-webkit-backdrop-filter:none;
  border-bottom:1px solid var(--hairline);height:3.4rem}
.crumb{font-family:var(--sans);font-size:.85rem;letter-spacing:0}

/* Sidebar: calmer and more generous. Group caps become title-case headings;
   the parent cap above the bucket subcaps is redundant and goes; the
   coverage meter is build telemetry, not reader wayfinding. */
.cov{display:none}
.tree .tree-cap,.tree .tree-subcap{font-size:.8rem;font-weight:650;letter-spacing:0;
  text-transform:capitalize;color:var(--strong);padding:1.5rem .6rem .45rem}
.tree .tree-subcap{text-transform:none}
.tree .tree-cap:has(+ * .tree-subcap){display:none}
.doclink{font-size:.9rem;padding:.5rem .7rem;gap:.6rem}
.item-g{font-size:.88rem;padding:.42rem .65rem}
.side-head{padding:1.35rem 1.2rem 1.1rem}
.side .search-btn{background:var(--ground);border-color:var(--line);color:var(--faint);
  font-weight:500;animation:none}
.side .search-btn:hover{border-color:var(--tint-line);color:var(--muted);box-shadow:none}
.side .search-btn kbd{color:var(--faint);border-color:var(--line);background:var(--surface)}

/* Right rail: a serif "On this page", larger targets. */
.toc-cap{font-family:var(--serif);font-size:1.02rem;font-weight:500;letter-spacing:0;
  text-transform:none;color:var(--strong);margin-bottom:.7rem}
.toc-link{font-size:.85rem;padding:.3rem .8rem}

/* The landing pill reads as a Claude-style eyebrow, not a bordered chip,
   and the wordmark keeps its full display size against the wider measure. */
.hero .pill{border:none;background:none;padding:0;color:var(--accent);
  font-size:.74rem;font-weight:650;letter-spacing:.13em;text-transform:uppercase}
.hero-in .hero h1{font-size:clamp(2.6rem,5vw,3.4rem)}

/* Cards and the hero terminal: softer radii, tame scrollbars on dark panels. */
.feats a{border-radius:16px}
pre,.t-body{scrollbar-width:thin;scrollbar-color:rgba(250,249,245,.18) transparent}
pre::-webkit-scrollbar,.t-body::-webkit-scrollbar{height:8px}
pre::-webkit-scrollbar-thumb,.t-body::-webkit-scrollbar-thumb{background:rgba(250,249,245,.16);border-radius:9px}

/* flash-page */
.qs-flash{margin:1.4rem 0 2.4rem}