:root{--bg:#f4f4f6;--rail:#f7f7f8;--card:#fff;--sunk:#f6f6f8;--hover:#ebebee;--line:#e5e5ea;--line2:#c9cad2;--fg:#18181b;--muted:#5f606a;--faint:#989aa3;--acc:#c4655b;--acc-soft:#f9ebe8;--acc-ink:#9b4038;--ok:#2d8a57;--ok-soft:#e5f3eb;--bad:#c2413b;--bad-soft:#fbe8e7;--info:#3d63b8;--info-soft:#e9eefa;--dot:#dcdce2;--shadow:0 1px 2px #14141e0d;--f-body:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--f-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#111113;--rail:#141416;--card:#1a1a1d;--sunk:#151517;--hover:#25252a;--line:#28282d;--line2:#41424a;--fg:#ececef;--muted:#a2a3ad;--faint:#6e6f78;--acc:#e48a7f;--acc-soft:#3a2321;--acc-ink:#f1aaa1;--ok:#5cc58c;--ok-soft:#173226;--bad:#ef7a73;--bad-soft:#3b1d1b;--info:#8eaaf0;--info-soft:#1d2640;--dot:#26262b;--shadow:none;color-scheme:dark}}:root[data-theme=dark]{--bg:#111113;--rail:#141416;--card:#1a1a1d;--sunk:#151517;--hover:#25252a;--line:#28282d;--line2:#41424a;--fg:#ececef;--muted:#a2a3ad;--faint:#6e6f78;--acc:#e48a7f;--acc-soft:#3a2321;--acc-ink:#f1aaa1;--ok:#5cc58c;--ok-soft:#173226;--bad:#ef7a73;--bad-soft:#3b1d1b;--info:#8eaaf0;--info-soft:#1d2640;--dot:#26262b;--shadow:none;color-scheme:dark}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--line2) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--line2);background-clip:content-box;border:3px solid #0000;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--faint);background-clip:content-box}::-webkit-scrollbar-corner{background:0 0}.rail::-webkit-scrollbar-thumb,.dd::-webkit-scrollbar-thumb,.sres::-webkit-scrollbar-thumb{background:padding-box content-box}.rail:hover::-webkit-scrollbar-thumb,.dd:hover::-webkit-scrollbar-thumb,.sres:hover::-webkit-scrollbar-thumb{background:var(--line2);background-clip:content-box}body{background:var(--bg);color:var(--fg);font-family:var(--f-body);-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;margin:0;font-size:13.5px;line-height:1.55}body:before{content:"";height:env(safe-area-inset-top,0px);z-index:40;background:var(--card);position:fixed;inset:0 0 auto}a{color:inherit}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:6px}code{font-family:var(--f-mono);background:var(--sunk);border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:.86em}.top{top:env(safe-area-inset-top,0px);z-index:30;background:var(--card);border-bottom:1px solid var(--line);height:52px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));align-items:center;gap:14px;display:flex;position:sticky}.brand{white-space:nowrap;align-items:center;gap:9px;font-size:13.5px;font-weight:600;text-decoration:none;display:flex}.brand svg{width:22px;height:22px}button.brand{cursor:pointer;background:0 0;border:0;border-radius:6px;margin-left:-8px;padding:6px 8px}button.brand:hover,button.brand[aria-expanded=true]{background:var(--hover)}.brand .bchev{width:15px;height:15px;color:var(--muted)}.bwrap{position:relative}.dd{background:var(--card);border:1px solid var(--line);width:262px;box-shadow:0 18px 40px -18px #0000004d,var(--shadow);z-index:50;border-radius:12px;max-height:calc(100vh - 90px);padding:6px;position:absolute;top:calc(100% + 8px);left:-8px;overflow-y:auto}.dd[hidden]{display:none}.dd .dh{font-family:var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:10px 10px 5px;font-size:11px}.dd hr{border:0;border-top:1px solid var(--line);margin:6px -6px}.dd a,.dd button.di{cursor:pointer;text-align:left;width:100%;color:var(--fg);background:0 0;border:0;border-radius:8px;align-items:center;gap:11px;padding:6px 10px;font-size:13px;text-decoration:none;display:flex}.dd a:hover,.dd button.di:hover,.dd .cur{background:var(--hover)}.dd a svg,.dd button.di svg{width:18px;height:18px;color:var(--muted);flex:none}.dd .rng{font-family:var(--f-mono);color:var(--faint);text-align:center;flex:none;width:18px;font-size:10.5px}.dd .tt{flex:1}.dd .bul{background:var(--fg);border-radius:50%;width:6px;height:6px}.seg{background:var(--sunk);border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(3,1fr);gap:4px;margin:2px 6px 8px;padding:3px;display:grid}.seg button{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:7px;justify-content:center;align-items:center;gap:6px;padding:7px 4px;font-size:11.5px;display:flex}.seg button svg{width:15px;height:15px}.seg button[aria-pressed=true]{background:var(--card);color:var(--fg);box-shadow:0 1px 2px #00000014,0 0 0 1px var(--line)}.vsep{background:var(--line);width:1px;height:24px}.crumb{align-items:center;gap:10px;min-width:0;font-size:12.5px;font-weight:500;display:flex}.crumb .pill{color:var(--fg);align-items:center;gap:6px;display:flex}.crumb .pill svg{width:17px;height:17px;color:var(--muted)}.crumb .cur{white-space:nowrap;text-overflow:ellipsis;color:var(--fg);overflow:hidden}.crumb .chev{width:14px;height:14px;color:var(--faint)}.top .sp{flex:1}.ibtn{width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;flex:none;place-items:center;display:grid}.ibtn svg{width:18px;height:18px}.ibtn:hover{background:var(--hover);color:var(--fg)}.btn{border:1px solid var(--line);background:var(--card);cursor:pointer;height:32px;box-shadow:0 1px 0 var(--line),var(--shadow);white-space:nowrap;border-radius:9px;align-items:center;gap:8px;padding:0 12px;font-size:12.5px;font-weight:500;text-decoration:none;display:inline-flex}.btn:hover{background:var(--hover)}.btn.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc-ink)}.menu{display:none}kbd{font-family:var(--f-mono);color:var(--faint);border:1px solid var(--line);border-radius:4px;padding:0 4px;font-size:11px}.app{grid-template-columns:288px minmax(0,1fr);display:grid}.rail{top:calc(52px + env(safe-area-inset-top,0px));height:calc(100vh - 52px - env(safe-area-inset-top,0px));border-right:1px solid var(--line);background:var(--rail);padding:18px 12px 40px;padding-left:max(12px,env(safe-area-inset-left,0px));position:sticky;overflow-y:auto}.rl{font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:14px 8px 6px;font-size:11px}.rl:first-child{padding-top:2px}.ri{color:var(--fg);border-radius:9px;align-items:center;gap:10px;padding:6px 9px;font-size:12.5px;line-height:1.3;text-decoration:none;display:flex}.ri:hover{background:var(--hover)}.ri.act{background:var(--hover);font-weight:500}.ri svg{width:17px;height:17px;color:var(--muted);flex:none}.ri .n{font-family:var(--f-mono);color:var(--faint);flex:none;width:18px;font-size:11px}.ri .tt{flex:1;min-width:0}.ri .dn{width:15px;height:15px;color:var(--acc);flex:none}.ri .cnt{font-family:var(--f-mono);color:var(--faint);flex:none;font-size:11px}.ri.tp .tt{font-weight:500}.ri.tp.soon{opacity:.55;cursor:default}.ri.tp.soon:hover{background:0 0}details.tk{margin:1px 0}details.tk>summary{cursor:pointer;font-weight:500;list-style:none}details.tk>summary::-webkit-details-marker{display:none}details.tk>summary .chev{width:14px;height:14px;margin-left:2px;transition:transform .15s}details.tk[open]>summary .chev{transform:rotate(180deg)}details.tk>a.ri{border-left:1px solid var(--line);border-radius:0 9px 9px 0;margin-left:18px;padding-left:12px}.prog{background:var(--card);border:1px solid var(--line);border-radius:10px;margin:8px 4px 6px;padding:10px 12px}.prog b{font-size:11.5px;font-weight:600}.prog small{color:var(--muted);margin-top:2px;font-size:11px;display:block}.bar{background:var(--hover);border-radius:5px;height:5px;margin-top:8px;overflow:hidden}.bar i{background:var(--acc);border-radius:5px;height:100%;transition:width .3s;display:block}main{min-width:0;padding-block:36px 80px;padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}.wrap{flex-direction:column;gap:22px;max-width:1180px;margin:0 auto;display:flex}.card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px}.track{flex-wrap:wrap;align-items:center;gap:14px;padding:14px 18px;display:flex}.track svg{width:18px;height:18px;color:var(--muted)}.track .lbl{font-size:12.5px;font-weight:500}.track .sp{flex:1}.track .meta{color:var(--muted);font-size:11.5px}.track .bar{width:140px;margin:0}.hero{grid-template-columns:minmax(0,1fr) 186px;align-items:start;gap:40px;padding:8px 46px 0;display:grid}.eyebrow{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin:24px 0 4px;font-size:11px}h1.disp{letter-spacing:-.02em;text-wrap:balance;margin:6px 0 18px;font-size:clamp(26px,3.4vw,38px);font-weight:600;line-height:1.1}.lede{color:var(--muted);max-width:62ch;margin:0;font-size:15px;line-height:1.6}.stats{font-family:var(--f-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.05em;flex-wrap:wrap;gap:22px;margin-top:22px;font-size:11.5px;display:flex}.stats b{color:var(--fg);font-weight:500}.cover{aspect-ratio:170/222;border-radius:4px 10px 10px 4px;width:172px;max-width:100%;margin-top:6px;position:relative;overflow:visible}.cover .pg{border-radius:4px 10px 10px 4px;position:absolute;inset:0;overflow:hidden;box-shadow:0 10px 24px -14px #3c140f8c,inset 0 0 0 1px #0000000f}.cover svg{width:100%;height:100%;display:block}.cover .tab{z-index:-1;border-radius:0 8px 8px 0;width:20px;height:72px;position:absolute;top:9px;right:-11px}.cover .ct{text-align:center;letter-spacing:-.4px;color:#461410d9;font-size:18px;font-weight:600;position:absolute;top:44%;left:0;right:0}.cover .cs{text-align:center;color:#ffffffe0;font-size:11px;font-family:var(--f-mono);position:absolute;bottom:16px;left:0;right:0}.cur{padding:30px}.cur h3,.blockh{font-family:var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 18px;font-size:12px;font-weight:400}.grid3{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.ci{background:var(--sunk);cursor:pointer;text-align:left;border:1px solid #0000;border-radius:11px;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:4px 16px;width:100%;padding:17px 16px;text-decoration:none;display:grid}.ci:hover{border-color:var(--line);background:var(--card)}.ci .n{font-family:var(--f-mono);color:var(--faint);padding-top:1px;font-size:11.5px}.ci .t{font-size:13.5px;font-weight:500;line-height:1.35}.ci .m{font-family:var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint);grid-column:2;font-size:11px}.ci .go{width:16px;height:16px;color:var(--muted);margin-top:2px}.ci.done .n{color:var(--acc)}.groups{flex-direction:column;gap:26px;display:flex}.gl{align-items:baseline;gap:10px;margin:0 0 10px;display:flex}.gl span{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--fg);font-size:11px}.gl small{color:var(--faint);font-size:12px}.threads{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px;padding:30px;display:grid}.threads h3{grid-column:1/-1}.th{border-top:1px solid var(--line);flex-direction:column;gap:8px;padding:14px 0;display:flex}.th b{font-size:13px;font-weight:500}.th p{color:var(--muted);margin:0;font-size:12px}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;align-items:center;gap:7px;padding:4px 10px 4px 8px;font-size:11.5px;text-decoration:none;display:inline-flex}.chip:hover{border-color:var(--acc);color:var(--acc-ink)}.chip .n{font-family:var(--f-mono);color:var(--faint);font-size:11px}.toc{padding:22px 26px}.toc .grid3{gap:8px}.toc .ci{padding:11px 14px}.toc .ci .t{font-size:12.5px}.sec{padding:26px 30px 28px;scroll-margin-top:76px}.sec>header{align-items:baseline;gap:14px;margin-bottom:18px;display:flex}.sec-n{font-family:var(--f-mono);color:var(--acc);flex:none;min-width:30px;font-size:11.5px}.sec h2{letter-spacing:-.3px;text-wrap:balance;margin:0;font-size:17px;font-weight:600;line-height:1.3}.sec-b{flex-direction:column;gap:18px;min-width:0;display:flex}.sec-b p{max-width:72ch;margin:0}.see{border-top:1px dashed var(--line);flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;padding-top:16px;display:flex}.see>span{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--faint);font-size:11px}a.xl{color:var(--acc-ink);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--acc) 45%,transparent);text-underline-offset:3px}a.xl:hover{text-decoration-color:var(--acc)}ul.bl{flex-direction:column;gap:8px;max-width:76ch;margin:0;padding-left:0;list-style:none;display:flex}ul.bl>li{padding-left:20px;position:relative}ul.bl>li:before{content:"";background:var(--acc);border-radius:1px;width:6px;height:6px;position:absolute;top:.68em;left:3px}ul.bl ul{flex-direction:column;gap:5px;margin:8px 0 2px;padding-left:2px;list-style:none;display:flex}ul.bl ul li{color:var(--muted);padding-left:18px;position:relative}ul.bl ul li:before{content:"–";color:var(--faint);position:absolute;left:2px}ol.nl{flex-direction:column;gap:9px;max-width:78ch;margin:0;padding:0;list-style:none;display:flex}ol.nl li{grid-template-columns:26px minmax(0,1fr);align-items:start;gap:10px;display:grid}.num{border:1px solid var(--line2);width:24px;height:24px;font-family:var(--f-mono);color:var(--muted);background:var(--card);border-radius:50%;place-items:center;font-size:11px;display:inline-grid}.dl{border-top:1px solid var(--line);grid-template-columns:26px minmax(150px,220px) minmax(0,1fr);gap:0 14px;display:grid}.dl>div{display:contents}.dl>div>*{border-bottom:1px solid var(--line);padding:11px 0}.dl .num{border-bottom:1px solid var(--line2);margin-top:9px;padding:0}.dl dt{font-weight:500}.dl dd{color:var(--muted);margin:0}.tw{border:1px solid var(--line);border-radius:11px;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:520px;font-size:12.5px}th{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);text-align:left;background:var(--sunk);border-bottom:1px solid var(--line);padding:11px 14px;font-size:11px;font-weight:400}td{border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted);padding:11px 14px}td:first-child{color:var(--fg);font-weight:500}tr:last-child td{border-bottom:0}.code{border:1px solid var(--line);background:var(--sunk);border-radius:11px;overflow:hidden}.code .ch{border-bottom:1px solid var(--line);font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);justify-content:space-between;align-items:center;padding:7px 10px 7px 14px;font-size:11px;display:flex}.code button{border:1px solid var(--line);background:var(--card);font-family:var(--f-mono);cursor:pointer;border-radius:6px;padding:3px 9px;font-size:11px}.code pre{font-family:var(--f-mono);margin:0;padding:14px 16px;font-size:12px;line-height:1.6;overflow-x:auto}.code .s{color:var(--ok)}.code .k{color:var(--acc-ink)}.code .c{color:var(--faint)}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.mc{border:1px solid var(--line);background:var(--sunk);border-radius:12px;padding:16px 18px}.mc h4{align-items:center;gap:10px;margin:0 0 8px;font-size:13.5px;font-weight:600;display:flex}.mc ul.bl{gap:6px;font-size:12.5px}.trace{border:1px solid var(--line);border-radius:12px;flex-direction:column;display:flex;overflow:hidden}.trace>div{border-bottom:1px solid var(--line);grid-template-columns:150px minmax(0,1fr);display:grid}.trace>div:last-child{border-bottom:0}.trace .lb{font-family:var(--f-mono);border-right:1px solid var(--line);align-items:center;gap:8px;padding:10px 14px;font-size:11.5px;display:flex}.trace .lb:before{content:"";background:currentColor;border-radius:50%;flex:none;width:8px;height:8px}.trace .tx{padding:10px 14px;font-size:12.5px}.trace .tx code{background:0 0;border:0;padding:0}.t-th{color:var(--info)}.t-ac{color:var(--acc)}.t-ob{color:var(--ok)}.t-fi{color:var(--fg)}.trace .fin{background:var(--sunk)}.chat{grid-template-columns:minmax(0,1fr) 150px;align-items:center;gap:14px;display:grid}.msgs{border:1px dashed var(--line2);border-radius:12px;flex-direction:column;gap:6px;padding:14px;display:flex}.msg{border:1px solid var(--line);border-radius:9px;max-width:85%;padding:7px 12px;font-size:12px}.msg.u{background:var(--card);align-self:flex-start}.msg.a{background:var(--acc-soft);border-color:#0000;align-self:flex-end}.msg b{font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-right:6px;font-size:10.5px;font-weight:400}.cnote{font-family:var(--f-mono);color:var(--muted);border-left:2px solid var(--acc);padding-left:10px;font-size:11px}.recs{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.rec{border:1px solid var(--line);border-radius:12px;overflow:hidden}.rec>div{border-bottom:1px solid var(--line);grid-template-columns:76px minmax(0,1fr);font-size:12px;display:grid}.rec>div:last-child{border-bottom:0}.rec .k{font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--sunk);padding:8px 12px;font-size:11px}.rec .v{padding:8px 12px}.ex{border:1px solid var(--line);border-radius:12px;overflow:hidden}.ex>div{border-bottom:1px solid var(--line);padding:14px 18px}.ex>div:last-child{background:var(--acc-soft);border-bottom:0}.ex .k{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;font-size:11px;display:block}.ex ol.nl{gap:6px}.stages{flex-direction:column;display:flex}.stg{grid-template-columns:34px minmax(0,1fr) minmax(0,220px);align-items:start;gap:14px;padding-bottom:16px;display:grid;position:relative}.stg:not(:last-child):after{content:"";background:var(--line2);width:1.5px;position:absolute;top:34px;bottom:0;left:16px}.stg .dot{width:34px;height:34px;font-family:var(--f-mono);color:#fff;border-radius:10px;place-items:center;font-size:11.5px;display:grid}.stg b{font-weight:600;display:block}.stg span{color:var(--muted);font-size:12.5px}.stg em{font-style:normal;font-family:var(--f-mono);color:var(--muted);background:var(--sunk);border:1px solid var(--line);border-radius:7px;justify-self:start;padding:5px 9px;font-size:11px}.qa .sec-n{font-size:12.5px}.qa.hid .sec-b,.qa .rv{display:none}.qa.hid .rv{display:inline-flex}.checks{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.chk{border:1px solid var(--line);cursor:pointer;background:var(--sunk);border-radius:10px;align-items:flex-start;gap:10px;padding:11px 13px;font-size:12.5px;display:flex}.chk input{accent-color:var(--acc);flex:none;width:16px;height:16px;margin-top:2px}.chk.on{background:var(--acc-soft);border-color:#0000}.quote{text-align:center;color:var(--fg);padding:30px 24px;font-size:17px;font-weight:500;line-height:1.4}.pn{grid-template-columns:1fr 1fr;gap:12px;display:grid}.pn a{flex-direction:column;gap:4px;padding:18px 20px;text-decoration:none;display:flex}.pn a:hover{border-color:var(--line2)}.pn small{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--faint);font-size:11px}.pn b{font-weight:500}.pn .nx{text-align:right}.dg{border:1px solid var(--line);background-color:var(--sunk);background-image:radial-gradient(var(--dot) 1px,transparent 1.2px);background-size:16px 16px;border-radius:14px;margin:0;overflow:hidden}.dg-sc{padding:26px 22px;overflow-x:auto;container-type:inline-size}@container (width<=1000px){.gw.free{column-gap:26px}.gw.free .nd{min-width:84px;max-width:150px}.gw.fan{column-gap:30px}.gw.fan.framed{column-gap:44px}.gw.fan>.gc.st>.nd{max-width:190px}}@container (width<=720px){.gw.free{column-gap:18px}.gw.free .nd{min-width:72px;max-width:128px;padding:7px 9px}.gw.fan>.gc.st>.nd{max-width:150px}}.dg-in{width:max-content;margin:0 auto}.dg figcaption{font-family:var(--f-mono);color:var(--muted);border-top:1px solid var(--line);background:var(--card);padding:9px 16px;font-size:11px}.nd{border:1px solid var(--line2);background:var(--card);text-align:center;z-index:1;border-radius:8px;flex-direction:column;align-items:center;gap:2px;min-width:96px;max-width:200px;padding:8px 12px;font-size:11.5px;line-height:1.3;display:flex;position:relative}.nd b{font-weight:500}.nd small{font-family:var(--f-mono);color:var(--muted);font-size:10.5px;line-height:1.35}.nd.acc{background:var(--acc-soft);border-color:var(--acc)}.nd.bad{background:var(--bad-soft);border-color:var(--bad)}.nd.ok{background:var(--ok-soft);border-color:var(--ok)}.nd.ghost{background:0 0;border-style:dashed}.grp{border:1.5px dashed var(--line2);background:color-mix(in srgb,var(--card) 55%,transparent);z-index:1;border-radius:12px;padding:10px 12px 12px;position:relative}.grp.acc{border-color:var(--acc);background:var(--acc-soft)}.grp-t{font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:center;white-space:nowrap;margin-bottom:8px;font-size:10.5px}.grp-k{flex-direction:column;align-items:stretch;gap:7px;display:flex}.grp.h .grp-k{flex-direction:row}.grp .nd{max-width:none}.ar{fill:none;width:28px;height:12px;stroke:var(--line2);stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;flex:none}.arv{width:12px;height:22px;margin:3px 0}.ch{align-items:center;display:flex}.ch.h{gap:8px}.ch.v{flex-direction:column}.lpw{flex-direction:column;align-items:stretch;display:inline-flex}.loop{border:1.5px dashed var(--line2);position:relative}.loop.h{border-top:0;border-radius:0 0 12px 12px;height:26px;margin:0 48px}.loop.h:before{content:"";border:4.5px solid #0000;border-bottom:7px solid var(--line2);border-top:0;position:absolute;top:-2px;left:-5.5px}.loop span{background:var(--sunk);font-family:var(--f-mono);color:var(--muted);white-space:nowrap;padding:0 8px;font-size:11px;position:absolute}.loop.h span{bottom:-9px;left:50%;transform:translate(-50%)}.lpw.v{flex-direction:row}.loop.v{border-left:0;border-radius:0 12px 12px 0;width:26px;margin:22px 0}.loop.v:before{content:"";border:4.5px solid #0000;border-right:7px solid var(--line2);border-left:0;position:absolute;top:-5.5px;left:-2px}.loop.v span{writing-mode:vertical-rl;padding:8px 0;top:50%;right:-9px;transform:translateY(-50%)}.based{flex-direction:column;align-items:stretch;display:inline-flex}.based>.bl-k{background:repeating-linear-gradient(var(--line2) 0 4px,transparent 4px 7px);width:1.5px;height:20px;margin:0 auto}.based>.nd{max-width:none}.asw{align-items:center;gap:30px;display:flex}.asd{border:1.5px dashed var(--line2);background:var(--card);z-index:1;border-radius:12px;max-width:270px;padding:12px 14px;position:relative}.asd .grp-t{text-align:left}.asd ul.bl,.asd ol.nl{gap:5px;font-size:11.5px}.asd .ask{flex-direction:column;gap:7px;display:flex}.stem{background:var(--line2);width:1.5px;height:16px}.tr{flex-direction:column;align-items:center;display:flex}.tr-row{align-items:stretch;display:flex}.tr-c{flex-direction:column;align-items:center;min-width:126px;padding:0 7px;display:flex}.cn-t{flex:none;width:calc(100% + 14px);height:24px;margin:0 -7px;position:relative}.cn-t:before{content:"";background:var(--line2);height:1.5px;position:absolute;top:0;left:0;right:0}.tr-c:first-child>.cn-t:before{left:50%}.tr-c:last-child>.cn-t:before{right:50%}.cn-t:after{content:"";background:var(--line2);width:1.5px;height:18px;position:absolute;top:0;left:calc(50% - .75px)}.cn-t i{border:4.5px solid #0000;border-top:7px solid var(--line2);border-bottom:0;position:absolute;bottom:0;left:calc(50% - 4.5px)}.tr-in{flex-direction:column;align-items:center;display:flex}.cn-b{flex:1;width:calc(100% + 14px);min-height:18px;margin:0 -7px;position:relative}.cn-b:before{content:"";background:var(--line2);width:1.5px;position:absolute;top:0;bottom:0;left:calc(50% - .75px)}.cn-b:after{content:"";background:var(--line2);height:1.5px;position:absolute;bottom:0;left:0;right:0}.tr-c:first-child>.cn-b:after{left:50%}.tr-c:last-child>.cn-b:after{right:50%}.tr-row+.arv{margin-top:0}ul.mini{border:1px dashed var(--line2);color:var(--muted);background:var(--card);border-radius:8px;flex-direction:column;gap:3px;margin:8px 0 0;padding:8px 10px;font-size:11.5px;list-style:none;display:flex}ul.mini li:before{content:"· ";color:var(--acc)}.hub{grid-template-columns:minmax(140px,auto) 56px auto 56px minmax(140px,auto);grid-template-areas:". .t. .""l.c.r"". .b. .";align-items:center;row-gap:34px;padding-bottom:4px;display:grid;position:relative}.hub.loops{padding-inline:10px}.hb-t{flex-direction:column;grid-area:t;align-items:center;gap:34px;display:flex}.hb-t:empty{display:none}.hb-l{grid-area:l;justify-content:center;display:flex}.hb-c{grid-area:c;justify-content:center;display:flex}.hb-r{grid-area:r;justify-content:center;display:flex}.hb-b{flex-direction:column;grid-area:b;align-items:center;gap:34px;display:flex}.hb-b:empty{display:none}.hn{z-index:1;justify-content:center;display:flex;position:relative}.hn[data-n=tr] .tr>.stem:first-child{height:0}svg.wires{pointer-events:none;z-index:0;position:absolute;top:0;left:0;overflow:visible}.wires path.fl{fill:none;stroke:var(--muted);stroke-width:1.6px;stroke-linecap:round;stroke-dasharray:6 5;animation:.9s linear infinite flow}.wires path.loop{stroke:var(--acc);animation-duration:1.4s}.wires path.bi{animation:1.8s ease-in-out infinite alternate flowbi}.wires .ah{fill:var(--muted)}.wires .ah.lp{fill:var(--acc)}.wires .wl{font-family:var(--f-mono);fill:var(--acc-ink);text-anchor:middle;dominant-baseline:middle;paint-order:stroke;stroke:var(--sunk);stroke-width:7px;stroke-linejoin:round;font-size:11px}@keyframes flow{to{stroke-dashoffset:-11px}}@keyframes flowbi{to{stroke-dashoffset:-22px}}@media (prefers-reduced-motion:reduce){.wires path.fl{animation:none}}.tag{font-family:var(--f-mono);color:var(--muted);border:1px dashed var(--line2);background:var(--card);white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:11px;display:inline-block}.fan{align-items:center;display:flex}.hstem{background:var(--line2);flex:none;width:18px;height:1.5px}.fan-col{position:relative}.fan-col>.grp-t{margin-bottom:6px;position:absolute;bottom:100%;left:24px}.fan-k{flex-direction:column;display:flex}.fan-i{align-items:center;padding:4px 0;display:flex}.fan-i .nd{min-width:150px}.cn-l{flex:none;align-self:stretch;width:26px;position:relative}.cn-l:before{content:"";background:var(--line2);width:1.5px;position:absolute;top:0;bottom:0;left:0}.fan-i:first-child .cn-l:before{top:50%}.fan-i:last-child .cn-l:before{bottom:50%}.cn-l:after{content:"";background:var(--line2);height:1.5px;position:absolute;top:calc(50% - .75px);left:0;right:6px}.cn-l i{border:4.5px solid #0000;border-left:7px solid var(--line2);border-right:0;position:absolute;top:calc(50% - 4.5px);right:0}.cn-r{flex:1;align-self:stretch;min-width:20px;position:relative}.cn-r:before{content:"";background:var(--line2);height:1.5px;position:absolute;top:calc(50% - .75px);left:0;right:0}.cn-r:after{content:"";background:var(--line2);width:1.5px;position:absolute;top:0;bottom:0;right:0}.fan-i:first-child .cn-r:after{top:50%}.fan-i:last-child .cn-r:after{bottom:50%}.fan>.ar,.fan>.nd{margin:0 4px}.sq{grid-template-columns:repeat(var(--n),170px);row-gap:12px;padding-bottom:6px;display:grid;position:relative}.sq-life{border-left:1.5px dashed var(--line2);z-index:0;width:0;position:absolute;top:30px;bottom:0}.sq-h{grid-row:1;justify-content:center;margin-bottom:6px;display:flex}.sq-m{z-index:1;margin:0 calc(50% / var(--k));padding-top:22px;position:relative}.sq-m span,.sq-s span{font-size:12px}.sq-m span{text-align:center;white-space:nowrap;position:absolute;top:0;left:0;right:0}.sq-m i{background:var(--fg);height:1.5px;display:block;position:relative}.sq-m i:after{content:"";border:4.5px solid #0000;position:absolute;top:-4px}.sq-m.r i:after{border-left:7px solid var(--fg);border-right:0;right:-1px}.sq-m.l i:after{border-right:7px solid var(--fg);border-left:0;left:-1px}.sq-m.back i{background:repeating-linear-gradient(90deg,var(--fg) 0 5px,transparent 5px 9px)}.sq-s{z-index:1;justify-content:center;display:flex}.sq-s span{background:var(--card);border:1px solid var(--line2);text-align:center;border-radius:7px;max-width:160px;padding:4px 9px}.sch{z-index:60;padding:calc(10vh + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));background:#0a0a0e59;justify-content:center;align-items:flex-start;display:flex;position:fixed;inset:0}.sch[hidden]{display:none}.sbox{background:var(--card);border:1px solid var(--line);border-radius:14px;width:min(640px,100%);overflow:hidden;box-shadow:0 24px 60px -20px #00000059}.sbox input{border:0;border-bottom:1px solid var(--line);width:100%;font:inherit;color:var(--fg);background:0 0;outline:none;padding:16px 18px;font-size:14.5px}.sres{max-height:56vh;padding:6px;overflow-y:auto}.sr{cursor:pointer;border-radius:9px;align-items:baseline;gap:12px;padding:10px 12px;display:flex}.sr.sel,.sr:hover{background:var(--hover)}.sr .n{font-family:var(--f-mono);color:var(--acc);flex:none;width:36px;font-size:11px}.sr b{font-size:12.5px;font-weight:500}.sr small{color:var(--muted);font-size:12px;display:block}.sempty{color:var(--muted);text-align:center;padding:22px;font-size:12.5px}.scrim{display:none}@media (width<=1060px){.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:8px 10px 0}}@media (width<=900px){.app{grid-template-columns:minmax(0,1fr)}.menu{display:grid}.rail{left:0;top:calc(52px + env(safe-area-inset-top,0px));z-index:25;width:min(300px,86vw);height:auto;transition:transform .22s;position:fixed;bottom:0;transform:translate(-102%);box-shadow:0 0 40px #0000002e}body.nav .rail{transform:none}body.nav .scrim{z-index:24;background:#0a0a0e4d;display:block;position:fixed;inset:0}main{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 60px}.hero{grid-template-columns:minmax(0,1fr);gap:8px;padding:0}.cover{order:-1;width:130px}.cur,.threads,.toc{padding:20px}.sec{padding:22px 18px 24px}.threads,.cards,.recs,.checks{grid-template-columns:minmax(0,1fr)}.dl{grid-template-columns:26px minmax(0,1fr)}.dl dd{grid-column:2;padding-top:0}.dl dt,.dl .num{border-bottom:0}.chat{grid-template-columns:minmax(0,1fr)}.stg{grid-template-columns:34px minmax(0,1fr)}.stg em{grid-column:2}.trace>div{grid-template-columns:minmax(0,1fr)}.trace .lb{border-right:0;padding-bottom:0}.crumb .pill,.crumb .chev.c1,.vsep,.kb{display:none}.track .bar{width:100%}}@media (width<=620px){.grid3,.pn{grid-template-columns:minmax(0,1fr)}.btn .lbx{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.lang{background:var(--sunk);border:1px solid var(--line);border-radius:10px;flex:none;gap:2px;padding:3px;display:flex}.lang[hidden]{display:none}.lang button{font-family:var(--f-mono);letter-spacing:.04em;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:5px 9px;font-size:11.5px}.lang button:hover{color:var(--fg)}.lang button[aria-pressed=true]{background:var(--card);color:var(--fg);box-shadow:0 1px 2px #00000014,0 0 0 1px var(--line)}.loading{color:var(--muted);font-family:var(--f-mono);text-align:center;padding:40px 0;font-size:11.5px}@media (width<=620px){.lang button{padding:5px 7px}}.gw{place-items:center;gap:34px 48px;display:grid;position:relative}.gw>.gc{z-index:1;flex-direction:column;align-items:center;min-width:0;display:flex;position:relative}.gw.cv{row-gap:28px}.gw.tree{column-gap:18px}.gw.tree.flat{column-gap:48px}.gw.tree>.gc.mid{align-self:start}.gw.fan{gap:10px 56px}.gw.fan.framed{column-gap:82px}.gw.fan>.gc.st{justify-self:stretch;align-items:stretch}.gw.fan>.gc.st>.nd{max-width:none}.gw.fan>.gc.out{margin-top:26px}.gw>.gc.base{justify-self:stretch;align-items:stretch}.gw>.gc.base>.nd{max-width:none}.gw>.gc.lbl{align-self:end}.gw.wide-gap{column-gap:64px}.gw.lp-ub{padding-bottom:34px}.gw.fan.lp-ub{padding-bottom:46px}.gw.lp-ur{padding-right:44px}.gw.lp-ul{padding-left:44px}.hb-br{align-items:flex-start;gap:18px;display:flex}.wires .frame{fill:color-mix(in srgb,var(--card) 45%,transparent);stroke:var(--line2);stroke-width:1.5px;stroke-dasharray:5 4}.wires .fl-t{font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;fill:var(--muted);text-anchor:middle;dominant-baseline:middle;font-size:10.5px}.gw.fan .fspace{height:14px}.gw.fan{padding:12px 14px}.gw.fan.framed{padding:12px 34px}.gw.fan.tchain{row-gap:26px}.sq2{flex-direction:column;align-items:center;display:flex}.sq2-h{z-index:1;justify-items:center;display:grid;position:relative}svg.sq2-s{margin-top:-2px;position:static;overflow:visible}.sq2-s .life{stroke:var(--line2);stroke-width:1.2px;stroke-dasharray:3 4}.sq2-s .sq-t{font-family:var(--f-body);fill:var(--fg);paint-order:stroke;stroke:var(--sunk);stroke-width:5px;stroke-linejoin:round;font-size:12px}.wires path.ret{stroke-dasharray:3 5}.gw.free.framed{padding:30px 34px 12px}.gw>.gc.st{justify-self:stretch;align-items:stretch}.gw>.gc.st>.nd,.gw>.gc.st>.grp{max-width:none}.gw>.gc.stv{justify-content:center;align-self:stretch}.gw>.gc.stv>.nd{flex:1;justify-content:center}.gw>.gc .gnote{color:var(--muted);padding:4px 2px;font-size:11.5px}.gw>.gc .gnote ul.bl{gap:4px}.gw>.gc .gnote.box{border:1px solid var(--line2);background:var(--card);color:var(--fg);border-radius:10px;padding:10px 16px 12px}.gw>.gc .gn-t{margin-bottom:8px;font-size:11.5px;font-weight:600}.gw .nd code{background:0 0;border:0;padding:0;font-size:11.5px}.gw .nd b code{white-space:nowrap}.gw .nd:has(>b>code){max-width:none}.nwrap{flex:none;position:relative}.crumb .nbtn{cursor:pointer;font:inherit;color:var(--fg);white-space:nowrap;background:0 0;border:0;border-radius:6px;align-items:center;gap:7px;padding:6px 8px;font-weight:500;display:flex}.crumb .nbtn:hover,.crumb .nbtn[aria-expanded=true]{background:var(--hover)}.crumb .nbtn svg{width:17px;height:17px;color:var(--muted)}.crumb .nbtn .chev{width:14px;height:14px;color:var(--faint)}.top>.dd.notes-dd{width:300px;position:absolute;top:56px}.crumb .tbtn{cursor:pointer;font:inherit;color:var(--fg);white-space:nowrap;background:0 0;border:0;border-radius:6px;align-items:center;gap:7px;min-width:0;padding:6px 8px;font-weight:500;display:flex}.crumb .tbtn .tp-bi{flex:none;place-items:center;display:grid}.crumb .tbtn .tp-bi svg{width:17px;height:17px;color:var(--muted)}.crumb .tbtn:hover,.crumb .tbtn[aria-expanded=true]{background:var(--hover)}.crumb .tbtn svg{width:14px;height:14px;color:var(--faint);flex:none}.crumb .tbtn .tlbl{text-overflow:ellipsis;overflow:hidden}.top>.dd.topic-dd{width:380px;padding:0;overflow:hidden}.tp-top{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:14px 16px;display:flex}.tp-ic{border:1px solid var(--line);background:var(--bg);border-radius:10px;flex:none;place-items:center;width:40px;height:40px;display:grid}.tp-ic svg{width:20px;height:20px;color:var(--muted)}.tp-tx{flex:1;min-width:0}.tp-tx h3{margin:0;font-size:14px;font-weight:600}.tp-tx p{color:var(--muted);margin:3px 0 0;font-size:12px;line-height:1.4}.tp-ring{--p:0;background:conic-gradient(var(--fg) calc(var(--p)*1%),var(--line) 0);border-radius:50%;flex:none;place-items:center;width:40px;height:40px;display:grid}.tp-ring span{background:var(--card);border-radius:50%;place-items:center;width:32px;height:32px;font-size:10.5px;font-weight:500;display:grid}.tp-st{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.tp-st span{color:var(--muted);white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:11px 6px;font-size:12px;display:flex}.tp-st span+span{border-left:1px solid var(--line)}.tp-st svg{flex:none;width:16px;height:16px}.tp-st b{color:var(--fg);font-weight:500}.tp-ls{flex-direction:column;padding:6px;display:flex}.dd .tp-r{padding:8px 10px;font-size:13px}.dd .tp-r.on{background:var(--hover)}.dd .tp-r svg.tp-go{width:15px;height:15px;color:var(--faint);margin-left:auto}@media (width<=520px){.crumb .tbtn{padding:6px}.crumb .tbtn .tlbl{max-width:110px}.top>.dd.topic-dd{right:max(16px,env(safe-area-inset-right,0px));width:auto;left:max(16px,env(safe-area-inset-left,0px))!important}}.dd .nitem{align-items:flex-start}.dd .nitem .tt{flex-direction:column;gap:2px;display:flex}.dd .nitem b{font-weight:500}.dd .nitem small{color:var(--muted);font-size:11.5px;line-height:1.35}.dd .nitem .bul{margin-top:7px}.blbl{font-family:var(--f-mono);letter-spacing:-.01em;font-weight:500}@media (width<=900px){.crumb .nbtn,.crumb .tbtn{display:flex}.crumb .cur{display:none}}@media (width<=520px){.top{gap:8px}.top>a.btn{display:none}.crumb .nbtn{padding:6px}.crumb .nbtn .nlbl{text-overflow:ellipsis;max-width:92px;overflow:hidden}.top>.dd.notes-dd{right:max(16px,env(safe-area-inset-right,0px));width:auto;left:max(16px,env(safe-area-inset-left,0px))!important}}.top>.dd.notes-dd{width:340px;padding:0;overflow:hidden}.ni-h{color:var(--muted);border-bottom:1px solid var(--line);padding:12px 16px 11px;font-size:12px;font-weight:500}.ni-l{flex-direction:column;gap:2px;padding:6px;display:flex}.ni-sep{border-top:1px solid var(--line)}.ni{text-align:left;cursor:pointer;width:100%;color:var(--fg);font:inherit;background:0 0;border:0;border-radius:10px;grid-template-columns:36px minmax(0,1fr) 18px;align-items:start;gap:12px;padding:10px;display:grid}.ni:hover:not(:disabled){background:var(--hover)}.ni:disabled{cursor:default}.ni-ic{background:var(--sunk);border:1px solid var(--line);border-radius:9px;place-items:center;width:36px;height:36px;display:grid}.ni-ic svg{width:18px;height:18px;color:var(--muted)}.ni.cur .ni-ic{background:var(--acc-soft);border-color:#0000}.ni.cur .ni-ic svg{color:var(--acc-ink)}.ni-tx{flex-direction:column;gap:2px;min-width:0;display:flex}.ni-t{flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;font-weight:500;line-height:1.3;display:flex}.ni-s{color:var(--muted);font-size:12px;line-height:1.4}.ni-c{font-family:var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-top:5px;font-size:11px}.ni-ck svg{width:16px;height:16px;color:var(--fg);margin-top:3px}.ni-soon{border:1px solid var(--line2);background:var(--card);border-radius:999px;padding:1px 9px;font-size:11px;font-weight:500}.crumb .nbtn .nb-ic{flex:none;place-items:center;width:22px;height:22px;display:grid}.crumb .nbtn .nb-ic svg{width:17px;height:17px;color:var(--muted)}.dd .ni.cur{background:0 0}.dd .ni.cur:hover{background:var(--hover)}.sec h2[id]{scroll-margin-top:84px}.outl{top:calc(52px + env(safe-area-inset-top,0px));height:calc(100vh - 52px - env(safe-area-inset-top,0px));border-left:1px solid var(--line);background:var(--rail);padding:16px 10px 40px;padding-right:max(10px,env(safe-area-inset-right,0px));display:none;position:sticky;overflow-y:auto}.outl-open .app{grid-template-columns:288px minmax(0,1fr) 272px}.outl-open .outl{display:block}.o-t{width:100%;color:var(--muted);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:flex-start;gap:6px;padding:4px 6px;font-size:12.5px;line-height:1.4;display:flex}.o-t:hover{color:var(--fg)}.o-t svg{flex:none;width:15px;height:15px;margin-top:3px;transition:transform .15s}.o-t[aria-expanded=false] svg{transform:rotate(-90deg)}.o-l{border-left:1px solid var(--line);flex-direction:column;gap:1px;margin:2px 0 0 13px;padding-left:10px;display:flex}.o-l[hidden]{display:none}.oi{color:var(--muted);border-radius:8px;padding:6px 10px;font-size:12.5px;line-height:1.4;text-decoration:none}.oi:hover{color:var(--fg)}.oi.act,.ibtn[aria-pressed=true]{background:var(--hover);color:var(--fg)}@media (width<=1240px){.outl-open .app{grid-template-columns:288px minmax(0,1fr)}.outl{right:0;top:calc(52px + env(safe-area-inset-top,0px));z-index:25;width:min(300px,86vw);height:auto;position:fixed;bottom:0;box-shadow:0 0 40px #0000002e}.outl-open .scrim{z-index:24;background:#0a0a0e4d;display:block;position:fixed;inset:0}}@media (width<=900px){.outl-open .app{grid-template-columns:minmax(0,1fr)}}.home main{padding:0 max(24px,env(safe-area-inset-left,0px))}.land-hero{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center;gap:56px;margin-bottom:64px;display:grid}.land-h{letter-spacing:-.03em;text-wrap:balance;margin:6px 0 20px;font-size:clamp(36px,5.2vw,64px);font-weight:600;line-height:1.04}.land-h .w{vertical-align:top;margin-bottom:-.1em;padding-bottom:.1em;display:inline-block;overflow:hidden}.land-h .wi{display:inline-block}.land-s{max-width:520px;color:var(--muted);margin:0 0 30px;font-size:16.5px;line-height:1.55}.land-a{flex-wrap:wrap;gap:10px;display:flex}.land-b{background:var(--fg);height:44px;color:var(--bg);border-radius:999px;align-items:center;gap:8px;max-width:100%;padding:0 22px;font-size:13.5px;font-weight:500;text-decoration:none;display:inline-flex}.land-b[hidden]{display:none}.land-b svg{flex:none;width:16px;height:16px}.land-b.alt{color:var(--fg);border:1px solid var(--line);background:0 0}.land-b[hidden]+.land-b.alt{background:var(--fg);color:var(--bg);border-color:#0000}.land-b:hover{opacity:.88}.land-b:focus-visible{outline:2px solid var(--acc);outline-offset:3px}.hflow{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;margin:0;padding:22px 22px 14px}.hflow svg{width:100%;height:auto;display:block;overflow:visible}.hflow figcaption{font-family:var(--f-mono);letter-spacing:.04em;color:var(--muted);margin-top:10px;font-size:11px}.he{fill:none;stroke:var(--line2);stroke-width:1.3px;stroke-linecap:round;transition:stroke .5s}.he.on{stroke:var(--acc)}.hn{transform-box:fill-box;transform-origin:50%}.hn rect{fill:var(--bg);stroke:var(--line2);stroke-width:1.2px;transition:stroke .5s}.hn.on rect{stroke:var(--acc)}.hn text{fill:var(--fg);font-size:13px;font-weight:500}.land-fs{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;display:grid}.land-f h3{margin:0 0 6px;font-size:15px;font-weight:600}.land-f p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.55}.land-fn{font-family:var(--f-mono);color:var(--faint);margin-bottom:12px;font-size:11px;display:block}@media (width<=900px){.land-hero{grid-template-columns:minmax(0,1fr);gap:36px}}@media (width<=760px){.land{padding-top:32px}.land-fs{grid-template-columns:minmax(0,1fr);gap:22px}}.mo .wi,.mo [data-hero],.mo .hn,.mo [data-rv],.mo .land+#notebooks .bk,.mo .he{opacity:0}.mo .land+#notebooks .bk{transition:box-shadow .15s}.home:has(.land) .wrap{max-width:1180px}.land{padding:64px 0 0}.land-hero{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:center;gap:clamp(36px,5vw,72px);margin-bottom:70px}.land-tx{padding:20px 0}.land .eyebrow{color:var(--acc-ink);margin:0 0 18px}.land-h{letter-spacing:-.045em;margin:0 0 24px;font-size:clamp(42px,5.3vw,72px);line-height:1.04}.land-s{max-width:55ch;margin-bottom:28px;font-size:16px}.land-b{background:var(--fg);height:44px;color:var(--card);border-radius:9px}.land-b.alt{background:var(--card);border:1px solid var(--line);color:var(--fg)}.hflow{border-radius:16px;padding:28px 24px 18px}.land-fs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:0}.land-f{border-right:1px solid var(--line);padding:28px 24px}.land-f:first-child{padding-left:0}.land-f:last-child{border-right:0}.land-f h3{font-size:15px}.land-f p{max-width:35ch}.land-footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:22px;padding:28px 0 48px;font-size:12px;display:flex}.land-footer a{text-decoration:none}.land-footer a:first-child{color:var(--fg);font-size:14px;font-weight:600}.land-footer a:last-child{color:var(--fg);align-items:center;gap:6px;margin-left:auto;display:inline-flex}.land-footer svg{width:15px;height:15px}@media (width<=900px){.land-hero{grid-template-columns:1fr;gap:34px}.land-tx{padding:0}.hflow{max-width:650px}}@media (width<=760px){.land{padding-top:38px}.land-fs{grid-template-columns:1fr}.land-f,.land-f:first-child{border-right:0;border-bottom:1px solid var(--line);padding:21px 0}.land-f:last-child{border-bottom:0}}@media (width<=620px){.land-h{font-size:clamp(38px,9vw,54px)}.land-footer{gap:10px}.land-footer span{flex-basis:100%;order:3}.land-footer a:last-child{margin-left:auto}}.mo .land+#notebooks .bk:hover{transform:none}.lib{padding:56px 0 80px}.lib .eyebrow{margin:0 0 6px}.lib-h{letter-spacing:-.4px;margin:0 0 10px;font-size:clamp(22px,2.6vw,28px);font-weight:600}.lib-s{margin:0 0 36px;font-size:14px}.bk.soon{opacity:.6;cursor:default}.bk.soon:hover{box-shadow:none;transform:none}.lib-grid{grid-template-columns:repeat(auto-fill,minmax(280px,360px));gap:22px;display:grid}.bk{isolation:isolate;--tint:color-mix(in srgb,var(--bk) 24%,var(--card));background:var(--tint);color:var(--fg);border:1px solid #0000;border-radius:16px;flex-direction:column;padding:32px 30px 28px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex}.bk:hover{transform:translateY(-2px);box-shadow:0 18px 36px -22px #00000059}.bk:focus-visible{outline:2px solid var(--acc);outline-offset:3px}.bk-c{align-items:center;height:210px;margin-bottom:30px;display:flex}.bk-c .cover{width:154px;margin:0}.bk h2{letter-spacing:-.3px;margin:0 0 6px;font-size:19px;font-weight:600}.bk-s{color:var(--muted);margin:0 0 18px;font-size:13px;line-height:1.5}.bk-l{flex-direction:column;gap:9px;margin:0 0 26px;padding:0;font-size:13px;list-style:none;display:flex}.bk-l li{gap:10px;display:flex}.bk-l li:before{content:"+";color:var(--muted);flex:none}.bk-b{background:color-mix(in srgb,var(--card) 70%,transparent);border-radius:999px;justify-content:center;align-items:center;gap:8px;height:42px;margin-top:auto;font-size:13px;font-weight:500;display:inline-flex}.bk-b svg{width:16px;height:16px}.bk:hover .bk-b{background:var(--card)}@media (width<=620px){.lib{padding-top:32px}.lib-grid{grid-template-columns:minmax(0,1fr)}}@media (width<=900px){body.nav,.outl-open body{overflow:hidden}.rail,.outl{overscroll-behavior:contain}.wrap{gap:16px}main{padding-block:14px 48px}.track{flex-wrap:nowrap;gap:10px;padding:12px 14px}.track:not(:has(.btn)){flex-wrap:wrap}.track:not(:has(.btn)) .sp{display:none}.track:not(:has(.btn)) .bar{flex:100%;width:auto}.track .lbl{flex:1;min-width:0}.track .meta{display:none}.track .btn{flex:none}.hero .cover{display:none}h1.disp{font-family:var(--f-body);letter-spacing:-.5px;margin:4px 0 12px;font-size:clamp(24px,5.4vw,34px);font-weight:600;line-height:1.12}.sec-b{gap:14px}.lede{font-size:14px}.eyebrow{margin-top:12px}}@media (width<=620px){body{font-size:12.5px}.sec{padding:18px 14px 20px}.sec>header{gap:10px;margin-bottom:14px}.sec h2{font-size:16px}.cur,.threads,.toc{padding:16px}.ci{padding:13px 14px}.chips{gap:6px}.lib{padding-top:24px}.lib-h{margin-bottom:22px}.bk{padding:24px 22px 22px}.bk-c{height:170px;margin-bottom:20px}.bk-c .cover{width:124px}.pn a{padding:14px 16px}}@media (width<=520px){.top{height:52px;padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px));gap:6px}.rail,.outl{top:calc(52px + env(safe-area-inset-top,0px))}.brand{margin-left:0;padding:6px 4px}.brand .bchev,.crumb .nbtn .nlbl{display:none}.crumb .nbtn{padding:6px 8px}.lang{padding:2px}.lang button{padding:5px 7px;font-size:11px}.ibtn{width:32px;height:32px}.top>.dd.notes-dd{top:46px}}.nbf{flex-wrap:wrap;align-items:center;gap:12px;margin:0 0 28px;display:flex}.nbq{border:1px solid var(--line);background:var(--card);max-width:420px;height:40px;color:var(--fg);font:inherit;border-radius:999px;flex:260px;padding:0 14px;font-size:13.5px}.nbq:focus-visible{outline:2px solid var(--acc);outline-offset:2px}.chips{gap:6px;display:flex}.chip{border:1px solid var(--line);height:34px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border-radius:999px;padding:0 14px;font-size:13px}.chip[aria-pressed=true]{background:var(--fg);color:var(--bg);border-color:#0000}.chip:focus-visible{outline:2px solid var(--acc);outline-offset:2px}.nbe{color:var(--muted);margin:8px 0 0;font-size:14px}.lib-more{margin-top:28px}.bk[hidden]{display:none}.nbs{padding:0 0 56px}.nbs-h{letter-spacing:-.3px;align-items:baseline;gap:12px;margin:0 0 8px;font-size:clamp(18px,2vw,22px);font-weight:600;display:flex}.nbs-h .meta{color:var(--muted);font-size:13px;font-weight:400}.nbs .bk-s{margin:0 0 20px}.nbs .card{margin-bottom:16px}.nbs .threads h3,.nbck h3{margin:0 0 4px}.nbck{padding:24px 26px}.nbck h3{margin-bottom:14px}details.tpd{margin:1px 0}details.tpd>summary,details.tko>summary{cursor:pointer;list-style:none}details.tpd>summary::-webkit-details-marker,details.tko>summary::-webkit-details-marker{display:none}details.tpd>summary .chev,details.tko>summary .chev{width:14px;height:14px;margin-left:2px;transition:transform .15s}details.tpd[open]>summary .chev,details.tko[open]>summary .chev{transform:rotate(180deg)}.tpd-b{margin:2px 0 8px 8px}details.tko{margin:1px 0}details.tko>summary{font-weight:500}details.tko>a.ri{border-left:1px solid var(--line);border-radius:0 9px 9px 0;margin-left:18px;padding-left:12px}.sempty{text-align:left;padding:14px 12px 8px;line-height:1.5}.shint{color:var(--faint);padding:10px 12px 6px;font-size:11px}
