.zn{--bg:#000000;--ink:#e2e2db;--prose:#cfd2cb;--dim:#8a8f86;--rule:#20251f;--rule-lit:#333b31;--branch:#4a5248;--p1:#58e08b;--p2:#f0a848;--vic:#6cc0f5;--mono:"JetBrains Mono",ui-monospace,"DejaVu Sans Mono",monospace}*,*:before,*:after{box-sizing:border-box}html{background:#000;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body.zn{margin:0;background:var(--bg);color:var(--ink);font-family:var(--mono);font-size:13px;line-height:1.5;font-variant-ligatures:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.zn a{color:inherit}.page{max-width:880px;margin:0 auto;padding:24px 24px 60px;overflow-x:clip}.top{display:flex;align-items:flex-start;justify-content:space-between;gap:0 32px}.mark{margin:0;font-family:var(--mono);font-weight:400;font-size:7px;line-height:1;color:var(--ink);white-space:pre}.home{text-decoration:none}.back{align-self:center;font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);text-decoration:none;border:1px solid var(--rule-lit);padding:7px 13px;white-space:nowrap}.back:hover,.back:focus-visible{color:var(--p1);border-color:var(--p1)}.banner{margin:30px 0 0;line-height:0}.banner img{width:100%;height:auto;display:block}.tree{font-size:12.5px;line-height:1.15;text-align:left}.tree .tilde{display:block;color:var(--p1)}.tree a{display:block;color:var(--dim);text-decoration:none;position:relative}.tree a .br{color:var(--branch);padding-right:1ch}.tree a .out{color:var(--branch);padding-left:.6ch}.tree a:after{content:"";position:absolute;inset:-2px -12px}.tree a:hover,.tree a:focus-visible{color:var(--p1);outline:none}.tree a:hover .br,.tree a:focus-visible .br{color:var(--p1)}.cap{display:flex;align-items:baseline;white-space:nowrap;font-size:11.5px;line-height:1.45;color:var(--rule-lit)}.cap .f{flex:1;min-width:0;overflow:hidden}.cap .lab{padding:0 1ch;letter-spacing:.11em;text-transform:uppercase;color:var(--dim)}.cap .lab.key{color:var(--p1)}.cap .lab.id{color:var(--p2);text-transform:none;letter-spacing:.02em}.cap+.cap{margin-top:4px}.head{margin-top:30px}.headtx{font-size:15px}.head h1{margin:17px 0 0;font-size:25px;line-height:1.26;font-weight:700;letter-spacing:-.018em;color:var(--ink)}.head .dek{margin:9px 0 17px;font-size:13.5px;line-height:1.55;color:var(--dim)}.meta{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:7px 2ch;margin:0 0 16px;font-size:11.5px;line-height:1.5}.meta dt{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);white-space:nowrap}.meta dd{margin:0;display:flex;flex-wrap:wrap;gap:3px 1.3ch;color:var(--dim)}.meta .v{white-space:nowrap}.meta dd:not(.id) .v:not(:last-child):after{content:"·";color:var(--branch);padding-left:1.3ch}.meta .id{gap:3px 1.7ch;color:var(--p2);letter-spacing:.02em}.art{--measure:100%;--tracks: [wide-start] minmax(0,1fr) [text-start] min(var(--measure),100%) [text-end] minmax(0,1fr) [wide-end];display:grid;grid-template-columns:var(--tracks);margin-top:34px;counter-reset:sec;font-size:15px;line-height:1.8;color:var(--prose);letter-spacing:-.004em}.art>*{grid-column:text;min-width:0}.art>pre,.art>.t-scroll,.art>figure,.art>details{grid-column:wide}.art>p{margin:0 0 1.35em}.art>p:first-child{margin-top:0}.art h2{counter-increment:sec;grid-column:text;margin:2.9em 0 .85em;padding-top:1.5em;border-top:1px solid var(--rule);font-size:17px;line-height:1.4;font-weight:700;color:var(--p1);letter-spacing:-.012em;scroll-margin-top:20px;display:grid;grid-template-columns:4.4ch 1fr;align-items:baseline}.art h2:before{content:counter(sec,decimal-leading-zero);color:var(--branch);font-weight:400;letter-spacing:.04em}.art h3{margin:2.3em 0 .7em;font-size:15px;line-height:1.5;font-weight:700;color:var(--ink);scroll-margin-top:20px}.art h3:before{content:"▌";color:var(--p1);padding-right:1.2ch;font-weight:400}.art h4{margin:2em 0 .6em;font-size:13px;font-weight:700;color:var(--dim);text-transform:uppercase;letter-spacing:.11em;scroll-margin-top:20px}.art h4:before{content:"·";color:var(--branch);padding-right:1.2ch}.art h2 a,.art h3 a,.art h4 a{color:inherit;text-decoration:none}.art a{color:var(--p1);text-decoration:underline;text-decoration-color:#2b5c42;text-underline-offset:3px}.art a:hover,.art a:focus-visible{text-decoration-color:var(--p1)}.art strong{color:var(--ink);font-weight:700}.art em{font-style:italic;color:var(--ink)}.art :not(pre)>code{background:#171b16;padding:.08em .42em;font-size:.9em;color:var(--ink);border-radius:0;-webkit-box-decoration-break:clone;box-decoration-break:clone}.art :not(pre)>code a{color:inherit}.art pre.astro-code{background:#07090a!important;border:1px solid #1b211b;margin:1.9em 0;padding:15px 17px;font-size:12.6px;line-height:21px;letter-spacing:0;overflow-x:auto}.art pre.astro-code code{font-family:var(--mono);background:none;border:0;padding:0}.art pre.astro-code:focus-visible{outline:2px solid var(--p1);outline-offset:2px}.art .trc{--tfs:12.6px;--trow:21px;--tlh:var(--trow);--tpad:15px;--railw:4.1ch;margin:1.9em 0}.art .trc pre.astro-code{margin:0}.art .trc__cap{display:flex;align-items:baseline;gap:0 1.1ch;margin:0 0 .5em;font-size:11px;line-height:1.45;letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}.art .trc__capg{flex:0 0 auto;color:var(--p1);letter-spacing:0}.art .trc__stream{display:grid;grid-template-columns:minmax(0,1fr)}.art .trc__stream--rail{grid-template-columns:max-content minmax(0,1fr)}.art .trc__rail{position:relative;width:var(--railw);margin-right:1.1ch;font-size:var(--tfs);line-height:var(--tlh);letter-spacing:0;-webkit-user-select:none;user-select:none}.art .trc__band{position:absolute;left:0;right:0;top:calc(var(--tpad) + var(--f) * var(--trow));height:calc(var(--n) * var(--trow));padding-left:.7ch;border-left:2px solid currentColor}.art .trc__band--prx{color:var(--dim);border-left-color:var(--rule-lit);border-left-style:solid}.art .trc__band--att{color:var(--p2);border-left-color:var(--p2);border-left-style:solid}.art .trc__band--org{color:var(--dim);border-left-color:var(--branch);border-left-style:dotted}.art .trc__by{background:#3b2a0d;color:#f7d49b;font-weight:700;padding:0;border-radius:0;box-shadow:inset 0 -1px 0 var(--p2);-webkit-box-decoration-break:clone;box-decoration-break:clone}.art .trc__vic{background:#0e2535;color:#64abd6;font-weight:700;padding:0;border-radius:0;box-shadow:inset 0 1px 0 var(--vic);-webkit-box-decoration-break:clone;box-decoration-break:clone}.art .trc__notes{list-style:none;margin:.9em 0 0;padding:0}.art .trc__note{position:relative;margin:0 0 .45em;padding-left:1.8ch;font-size:13px;line-height:1.6;color:var(--dim);letter-spacing:0}.art .trc__note:last-child{margin-bottom:0}.art .trc__note:before{content:"·";position:absolute;left:0;top:0;color:var(--branch)}.art .trc__nk{color:var(--ink)}.art .trc__fork{margin:1.05em 0 0}.art .trc__forkh{margin:0 0 .4em;font-size:11px;line-height:1.45;letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}.art .trc__forkl{list-style:none;margin:0;padding:0}.art .trc__branch{display:grid;grid-template-columns:3.2ch minmax(0,1fr);margin:0 0 .4em;font-size:13px;line-height:1.6;color:var(--dim);letter-spacing:0}.art .trc__branch:last-child{margin-bottom:0}.art .trc__brg{color:var(--branch)}.art .trc__brb{min-width:0}.art .trc__brw{color:var(--ink);font-weight:700}.art .trc__key{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 1.3ch;margin:.9em 0 0;padding-top:.7em;border-top:1px solid var(--rule);font-size:11px;line-height:1.5;color:var(--dim);letter-spacing:.01em}.art .trc__ki{white-space:normal}.art .trc__kt{color:var(--ink);font-weight:700;padding-right:.5ch}.art .trc__ki:not(:last-child):after{content:"·";color:var(--rule-lit);padding-left:1.3ch}.art .dgm{margin:1.9em 0}.art .dgm svg{display:block;width:100%;max-width:520px;height:auto;margin:0 auto}.art .dgm__cap{margin:.9em auto 0;max-width:520px;font-size:13px;line-height:1.6;color:var(--dim);letter-spacing:0}.art .dgm text{font-family:var(--mono);letter-spacing:0}.art .dgm__l{font-size:13px;fill:var(--dim)}.art .dgm__s{font-size:12px;fill:var(--dim)}.art .dgm__la{font-size:13px;fill:var(--p2)}.art .dgm__lv{font-size:13px;fill:var(--vic)}.art .dgm__sa{font-size:12px;fill:#f7d49b}.art .dgm__sv{font-size:12px;fill:#64abd6}.art .dgm__mid{text-anchor:middle}.art .dgm__end{text-anchor:end}.art .dgm__bx{fill:#07090a;stroke:var(--rule-lit);stroke-width:1}.art .dgm__bxa{fill:#3b2a0d;stroke:var(--p2);stroke-width:1}.art .dgm__bxv{fill:#0e2535;stroke:var(--vic);stroke-width:1;stroke-dasharray:4 3}.art .dgm__bxp{fill:#20251f;stroke:var(--dim);stroke-width:1}.art .dgm__a{color:var(--dim)}.art .dgm__a--att{color:var(--p2)}.art .dgm__a--vic{color:var(--vic)}.art .dgm__a--off{color:var(--dim)}.art .dgm__ln{stroke:currentColor;stroke-width:1;fill:none}.art .dgm__dl{stroke:currentColor;stroke-width:1;fill:none;stroke-dasharray:4 3}.art .dgm__hd{fill:currentColor;stroke:none}.art .dgm__div{stroke:var(--ink);stroke-width:2;fill:none}.art .dgm__bxo{fill:none;stroke:var(--dim);stroke-width:1}.art .dgm__hr{stroke:var(--rule);stroke-width:1;fill:none}.art .t-scroll{margin:1.9em 0;overflow-x:auto}.art .t-scroll:focus-visible{outline:2px solid var(--p1);outline-offset:2px}.art table{border-collapse:collapse;width:100%;font-size:12.4px;line-height:1.55;letter-spacing:0}.art th{text-align:left;vertical-align:bottom;color:var(--p1);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:10.5px;border-bottom:1px solid var(--rule-lit);padding:0 18px 7px 0;white-space:nowrap}.art td{border-bottom:1px solid var(--rule);padding:9px 18px 9px 0;vertical-align:top;color:var(--dim)}.art tr>*:last-child{padding-right:0}.art td:first-child{color:var(--ink);white-space:nowrap}.art table code{font-size:.92em;white-space:nowrap}.art th code{text-transform:none;background:none;padding:0;color:var(--p1)}.art blockquote{margin:1.9em 0;padding:2px 0 2px 1.5em;border-left:2px solid #4b5747;color:#b9bdb4}.art blockquote p{margin:0 0 .9em}.art blockquote p:last-child{margin-bottom:0}.art hr{border:0;border-top:1px solid var(--rule);margin:2.6em 0}.art ul,.art ol{margin:0 0 1.35em;padding-left:2.4ch}.art li{margin:0 0 .5em}.art img{max-width:100%;height:auto;display:block}.art>details{display:grid;grid-template-columns:var(--tracks);margin:1.9em 0;border-top:1px solid var(--rule-lit);padding-inline:1.8ch}.art>details::details-content{display:grid;grid-template-columns:var(--tracks);grid-column:1/-1}.art>details>*{grid-column:text;min-width:0}.art>details>pre,.art>details>.t-scroll,.art>details>figure{grid-column:wide}.art>details[open]{padding-bottom:1.15em}.art>details+details{margin-top:1.15em}.art>details:has(+details){margin-bottom:0}.art>details:not(:has(+h2)){border-bottom:1px solid var(--rule-lit)}.art>details{box-shadow:inset 2px 0 0 var(--branch)}.art>details[open]{box-shadow:inset 2px 0 0 var(--p1)}.art>details.ev-aside{box-shadow:inset 2px 0 0 var(--rule)}.art>details.ev-aside[open]{box-shadow:inset 2px 0 0 var(--branch)}.art>details[open]>summary{border-bottom:1px solid var(--rule);margin-bottom:1.15em}.art>details>summary{list-style:none;cursor:pointer;display:flex;align-items:baseline;gap:0 1.2ch;padding:.8em 0;font-size:13.5px;line-height:1.5;color:var(--dim)}.art>details>summary::-webkit-details-marker{display:none}.art>details>summary:before{content:"[+]";flex:0 0 auto;color:var(--p1);font-weight:700}.art>details[open]>summary:before{content:"[-]"}.art>details>summary:after{content:"show";flex:0 0 auto;margin-left:auto;padding-left:2ch;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--branch)}.art>details[open]>summary:after{content:"hide"}.art>details[open]>summary{color:var(--ink)}.art>details>summary:hover,.art>details>summary:focus-visible{color:var(--ink)}.art>details>summary:hover:after,.art>details>summary:focus-visible:after{color:var(--dim)}.art>details>summary:focus-visible{outline:2px solid var(--p1);outline-offset:2px}.art details p{margin:0 0 1.35em}.art details ul,.art details ol{margin:0 0 1.35em;padding-left:2.4ch}.art details li{margin:0 0 .5em}.art details>:nth-child(2){margin-top:.35em}.art details>:last-child{margin-bottom:0}.toc{position:sticky;top:0;z-index:40;margin:30px -24px 0;padding:0 24px;background:var(--bg)}.toc__d{border-top:1px solid var(--rule-lit);border-bottom:1px solid var(--rule-lit)}.toc__s{list-style:none;cursor:pointer;display:flex;align-items:baseline;gap:0 1.5ch;padding:8px 0;font-size:11px;line-height:1.45;letter-spacing:.17em;text-transform:uppercase;color:var(--dim)}.toc__s::-webkit-details-marker{display:none}.toc__s:before{content:"[+]";flex:0 0 auto;letter-spacing:0;color:var(--p1);font-weight:700}.toc__d[open] .toc__s:before{content:"[-]"}.toc__s:hover,.toc__s:focus-visible{color:var(--ink)}.toc__s:focus-visible{outline:2px solid var(--p1);outline-offset:2px}.toc__lab{flex:0 0 auto}.toc__now{flex:1 1 auto;min-width:0;text-align:right;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;letter-spacing:.04em;text-transform:none;color:var(--dim)}.toc__p{position:absolute;left:0;right:0;top:100%;padding:10px 24px 12px;background:var(--bg);border-bottom:1px solid var(--rule-lit);max-height:min(62vh,440px);overflow-y:auto;overscroll-behavior:contain}.toc__l{list-style:none;margin:0;padding:0}.toc__i a{display:grid;grid-template-columns:3.4ch minmax(0,1fr);gap:0 1ch;align-items:baseline;padding:3.5px 0;text-decoration:none;color:var(--dim);font-size:11.5px;line-height:1.45}.toc__n{color:var(--branch);font-weight:400;letter-spacing:.04em}.toc__t{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.toc__i--sub a{color:var(--branch)}.toc__i--sub .toc__t{color:#767b73}.toc__i a:hover,.toc__i a:hover .toc__n,.toc__i a:hover .toc__t{color:var(--p1)}.toc__i a:focus-visible{outline:1px solid var(--p1);outline-offset:2px;color:var(--p1)}.toc__i a[aria-current],.toc__i a[aria-current] .toc__n,.toc__i a[aria-current] .toc__t{color:var(--p1)}.toc__k{display:none}[data-js] .toc__k{display:block;margin:9px 0 0;padding-top:9px;border-top:1px solid var(--rule);font-size:9.5px;letter-spacing:.17em;text-transform:uppercase;color:var(--branch)}[data-js] .toc__k b{color:var(--dim);font-weight:700}@media(min-width:1300px){.toc{position:fixed;top:30px;right:calc(50% + 464px);width:clamp(168px,calc(50vw - 492px),236px);margin:0;padding:0;background:none;max-height:calc(100vh - 60px);overflow-y:auto;scrollbar-width:thin}.toc__d{border-top:0;border-bottom:0}.toc__s{padding:0 0 9px}.toc__now{display:none}.toc__p{position:static;max-height:none;overflow:visible;padding:9px 0 0;border-bottom:0;border-top:1px solid var(--rule)}}@media(max-width:1299px){.art h2,.art h3,.art h4{scroll-margin-top:56px}}.prog{display:none}[data-js] .prog{display:block;position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:var(--p1);transform:scaleX(0);transform-origin:0 50%}.end{margin-top:52px}.endrow{display:flex;flex-wrap:wrap;gap:6px 2ch;align-items:baseline;margin-top:14px;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--branch)}.endrow a{color:var(--dim);text-decoration:none}.endrow a:hover,.endrow a:focus-visible{color:var(--p1);outline:none}@media(max-width:800px){.art{--bleed:0px;--measure:100%}.art>pre,.art>.t-scroll,.art>figure,.art>details{grid-column:text}}@media(max-width:640px){.page{padding:18px 16px 44px}.top{gap:0 20px}.mark{font-size:6px}.head h1{font-size:21px}.toc{margin:24px -16px 0;padding:0 16px}.toc__p{padding-left:16px;padding-right:16px}.meta{grid-template-columns:minmax(0,1fr);gap:3px 0;margin-bottom:15px}.meta dt{margin-top:7px}.meta dt:first-child{margin-top:0}.art{font-size:14.5px;line-height:1.75;margin-top:26px}.art h2{font-size:16px}.art pre.astro-code{font-size:12px;line-height:20px;padding:12px 13px}.art .trc{--tfs:12px;--trow:20px;--tpad:12px}.art .trc__cap{letter-spacing:.1em}.art .trc__note,.art .trc__branch{font-size:12.5px}.cap .lab{padding:0 .7ch;font-size:10.5px}}