/*! tailwindcss v4.3.0 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-serif:"Newsreader", Georgia, serif;--font-mono:"Geist Mono", ui-monospace, monospace;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--font-display:"Geist", ui-sans-serif, system-ui, sans-serif;--ease-spring:cubic-bezier(.2, .8, .2, 1)}}@layer base,components;@layer utilities{.static{position:static}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.block{display:block}.grid{display:grid}.hidden{display:none}.inline{display:inline}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.sepia{--tw-sepia:sepia(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg:#f8f8fa;--paper:#fff;--paper-soft:#fafafa;--ink:#0f172a;--ink-soft:#475569;--ink-muted:#586577;--line:#e2e8f0;--line-strong:#cbd5e1;--blue:#006f8a;--blue-bright:#00add8;--blue-soft:#e6f8fd;--blue-mid:#99dff0;--orange:#006f8a;--orange-bright:#00add8;--orange-soft:#e6f8fd;--navy:#0f172a;--navy-soft:#1e293b;--teal:#087f73;--teal-soft:#e8f6f3;--green:#16794f;--green-soft:#e8f6ee;--red:#c33d35;--red-soft:#fff0ee;--violet:#6750a4;--violet-soft:#f1edff;--code-bg:#0f172a;--shadow:none;--shadow-lg:none;--scale:1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{background:linear-gradient(180deg,#fff9,#fff0 320px),radial-gradient(var(--line) .7px,transparent .7px),var(--bg);color:var(--ink);font-family:Geist,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:calc(17px * var(--scale));-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-size:auto,22px 22px,auto;margin:0;line-height:1.72;transition:background-color .2s,color .2s}h1,h2,h3,h4,.ui{letter-spacing:0;font-family:Geist,ui-sans-serif,system-ui,sans-serif}h1,h2,h3{text-wrap:balance}code,pre,.mono,.codetag{font-family:Geist Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}::selection{background:var(--blue-bright);color:#0f172a}.topbar{--nav-ink:var(--ink);--nav-dim:var(--ink-muted);--nav-line:var(--ink)}@supports (color:color-mix(in lab,red,red)){.topbar{--nav-line:color-mix(in srgb, var(--ink) 14%, transparent)}}.topbar{--nav-fill:var(--ink)}@supports (color:color-mix(in lab,red,red)){.topbar{--nav-fill:color-mix(in srgb, var(--ink) 5%, transparent)}}.topbar{--nav-fill-hover:var(--ink)}@supports (color:color-mix(in lab,red,red)){.topbar{--nav-fill-hover:color-mix(in srgb, var(--ink) 10%, transparent)}}.topbar{z-index:50;background:var(--paper);border-radius:0;width:min(1140px,100% - 28px);margin:14px auto 0;position:sticky;top:12px}@supports (color:color-mix(in lab,red,red)){.topbar{background:color-mix(in srgb,var(--paper) 72%,transparent)}}.topbar{-webkit-backdrop-filter:blur(18px)saturate(1.6);backdrop-filter:blur(18px)saturate(1.6);border:1px solid var(--line);transition:border-color .25s,background-color .25s}.topbar[data-scrolled]{background:var(--paper)}@supports (color:color-mix(in lab,red,red)){.topbar[data-scrolled]{background:color-mix(in srgb,var(--paper) 86%,transparent)}}.topbar[data-scrolled]{border-color:var(--line-strong)}[data-theme=dark] .topbar{background:var(--paper)}@supports (color:color-mix(in lab,red,red)){[data-theme=dark] .topbar{background:color-mix(in srgb,var(--paper) 68%,transparent)}}[data-theme=dark] .topbar{border-color:var(--line)}[data-theme=dark] .topbar[data-scrolled]{background:var(--paper)}@supports (color:color-mix(in lab,red,red)){[data-theme=dark] .topbar[data-scrolled]{background:color-mix(in srgb,var(--paper) 84%,transparent)}}[data-theme=dark] .topbar[data-scrolled]{border-color:var(--line-strong)}.topbar-inner{align-items:center;gap:12px;max-width:none;margin:0;padding:12px 14px 12px 16px;display:flex}.logo-badge{background:var(--blue);color:#fff;border-radius:0;flex:none;place-items:center;width:32px;height:32px;transition:background .15s;display:grid}.logo-badge svg{display:block}.topbar-title{color:var(--nav-ink);font-size:14px;font-weight:700;line-height:1.25}.topbar-title span{color:var(--nav-dim);font-size:12px;font-weight:450;display:block}.topbar-link{color:var(--nav-dim);margin-left:auto;font-size:13px;font-weight:600;text-decoration:none;transition:color .15s}.topbar-link:hover{color:var(--nav-ink)}.wrap,.page-shell{max-width:1180px;margin:0 auto;padding:0 28px}.page-shell{grid-template-columns:236px minmax(0,1fr);gap:48px;display:grid}main{min-width:0;padding:0 0 112px}nav.toc{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;align-self:start;height:calc(100vh - 108px);padding:32px 0;position:sticky;top:88px;overflow-y:auto}nav.toc .toc-label{color:var(--ink-muted);letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px;font-size:11px;font-weight:700;display:block}nav.toc ol{counter-reset:toc;margin:0;padding:0;list-style:none;display:block}nav.toc li{margin:0}nav.toc a{color:var(--ink-soft);border-left:2px solid var(--line);font-size:calc(13.5px * var(--scale));align-items:baseline;gap:11px;padding:7px 14px;font-weight:500;line-height:1.4;text-decoration:none;transition:color .15s,border-color .15s;display:flex}nav.toc a .num{font-variant-numeric:tabular-nums;min-width:16px;color:var(--ink-muted);flex:none;font-family:Geist Mono,ui-monospace,monospace;font-size:11px;font-weight:500;transition:color .15s}nav.toc a:hover{color:var(--ink);border-left-color:var(--line-strong)}nav.toc a:hover .num{color:var(--ink-soft)}nav.toc a.active{color:var(--blue);border-left-color:var(--blue);font-weight:650}nav.toc a.active .num{color:var(--blue)}.hero,header.hero{color:var(--ink);border-bottom:1px solid var(--line);background:0 0;margin-bottom:8px;padding:clamp(40px,5vw,52px) 0 40px}.hero .eyebrow,.kicker{color:var(--blue);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:9px;margin:0 0 16px;font-size:12px;font-weight:700;display:inline-flex}.kicker .dot{background:var(--blue);border-radius:999px;width:7px;height:7px}.hero h1,header.hero h1{max-width:900px;color:var(--ink);margin:0 0 16px;font-size:clamp(36px,5.2vw,54px);font-weight:800;line-height:1.06}.hero h1 em,header.hero h1 em{color:var(--blue);font-family:Newsreader,Georgia,serif;font-style:italic;font-weight:500}.hero>p,header.hero>p.lede,.lead{max-width:760px;color:var(--ink-soft);font-size:calc(19px * var(--scale));line-height:1.62}.hero-meta,.meta-row{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.chip{border:1px solid var(--line);min-height:34px;color:var(--ink-soft);background:#fffc;border-radius:0;align-items:center;padding:7px 13px;font-size:12px;font-weight:650;display:inline-flex}.chip b{color:var(--blue)}.chip-ic{color:var(--ink-muted);flex:none;margin-right:6px;display:block}.chip p{font:inherit;color:inherit;margin:0;display:inline}section{border-bottom:1px solid var(--line);padding:48px 0}section:last-child{border-bottom:0}.sec-head{align-items:center;gap:14px;margin-bottom:0;display:flex}.sec-num,.sec-no{background:var(--blue-soft);min-width:38px;height:38px;color:var(--blue);letter-spacing:0;border:1px solid #006f8a33;border-radius:0;flex:none;place-items:center;font-size:13px;font-weight:800;display:inline-grid}.sec-no{letter-spacing:.11em;text-transform:uppercase;border-radius:0;width:auto;min-width:0;height:auto;margin-bottom:12px;padding:7px 11px;font-size:11px}h2{color:var(--ink);margin:0;font-size:clamp(25px,3vw,31px);font-weight:760;line-height:1.15}.sec-sub{color:var(--ink-soft);font-size:calc(14px * var(--scale));margin:10px 0 0;font-weight:500;line-height:1.45}h3{color:var(--ink);margin:44px 0 10px;font-size:22px;font-weight:720;line-height:1.25}h4{color:var(--ink);margin:24px 0 8px;font-size:16px;font-weight:720}p{max-width:780px;margin:18px 0}strong{color:var(--ink);font-weight:720}em.term{color:var(--blue);font-family:Geist,sans-serif;font-style:normal;font-weight:720}a.inline{color:var(--blue);text-underline-offset:3px;-webkit-text-decoration:underline #006f8a59;text-decoration:underline #006f8a59}ul,ol{max-width:780px;margin:16px 0;padding-left:24px}li{margin:8px 0}li::marker{color:var(--blue)}ul.clean{padding-left:0;list-style:none}ul.clean li{padding-left:28px;position:relative}ul.clean li:before{content:"";background:var(--blue);border-radius:0;width:8px;height:8px;position:absolute;top:.72em;left:4px;transform:rotate(45deg)}.box{border:1px solid var(--line);max-width:860px;box-shadow:var(--shadow);background:#ffffffd9;border-radius:0;margin:26px 0;padding:22px 24px}.box-tag,.b-head{color:var(--ink);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:9px;margin-bottom:9px;font-size:11px;font-weight:800;display:inline-flex}.b-icon{letter-spacing:0;background:#ffffffbf;border-radius:0;place-items:center;width:29px;height:29px;font-size:14px;display:inline-grid}.box p{font-size:calc(16px * var(--scale));margin:8px 0}.box p:last-child{margin-bottom:0}.analogy{background:linear-gradient(180deg,var(--teal-soft),#fff);border-color:#087f732e}.analogy .box-tag,.analogy .b-head{color:var(--teal)}.tip{background:linear-gradient(180deg,var(--blue-soft),#fff);border-color:#006f8a2e}.tip .box-tag,.tip .b-head{color:var(--blue)}.warn{background:linear-gradient(180deg,var(--red-soft),#fff);border-color:#c33d3533}.warn .box-tag,.warn .b-head{color:var(--red)}.exam{background:linear-gradient(180deg,var(--violet-soft),#fff);border-color:#6750a433}.exam .box-tag,.exam .b-head{color:var(--violet)}figure{border:1px solid var(--line);max-width:920px;box-shadow:var(--shadow);background:#ffffffd9;border-radius:0;margin:30px 0;padding:24px;overflow:hidden}figure svg{width:100%;height:auto;display:block}figcaption{color:var(--ink-soft);text-align:center;margin-top:16px;font-size:13px;font-weight:550;line-height:1.55}figcaption b{color:var(--ink)}.grid{gap:14px;max-width:920px;margin:26px 0;display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card{border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);background:#ffffffe0;border-radius:0;padding:18px}.card h4{align-items:center;gap:9px;margin:0 0 7px;display:flex}.card p{color:var(--ink-soft);font-size:calc(14px * var(--scale));margin:0;line-height:1.6}.ci{background:var(--blue-soft);border-radius:0;flex:none;place-items:center;width:30px;height:30px;display:grid}.ci svg{width:17px;height:17px;stroke:var(--blue)}.steps{counter-reset:step;max-width:820px;margin:24px 0;padding:0;list-style:none}.step,.steps>li{border-bottom:1px dashed var(--line);gap:16px;margin:0;padding:16px 0;display:flex;position:relative}.steps>li{padding-left:50px;display:block}.step:last-child,.steps>li:last-child{border-bottom:0}.sn,.steps>li:before{counter-increment:step;background:var(--navy);color:#fff;border-radius:0;flex:none;place-items:center;width:32px;height:32px;font-size:13px;font-weight:800;display:grid}.sn:before,.steps>li:before{content:counter(step)}.steps>li:before{position:absolute;top:16px;left:0}.st{flex:1}.st b,.steps>li b{color:var(--ink);font-size:15px;font-weight:760;display:block}.st p{color:var(--ink-soft);font-size:calc(14px * var(--scale));margin:4px 0 0;line-height:1.6}.tbl-wrap,.tblwrap{border:1px solid var(--line);background:var(--paper);max-width:920px;box-shadow:var(--shadow);border-radius:0;margin:24px 0;overflow-x:auto}table{border-collapse:collapse;background:var(--paper);width:100%;min-width:540px;font-size:calc(14px * var(--scale))}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:13px 15px}thead th,th{background:var(--navy);color:#fff;letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:780}tbody tr:nth-child(2n){background:var(--paper-soft)}tbody tr:last-child td{border-bottom:0}td{color:var(--ink-soft)}td b,td strong{color:var(--ink)}.def{background:#006f8a0a;border:1px solid #006f8a2e;border-radius:0;max-width:800px;margin:20px 0;padding:14px 18px}.dterm{color:var(--ink);font-weight:780}.def p{color:var(--ink-soft);margin:4px 0 0}pre{background:var(--code-bg);color:#e2e8f0;max-width:860px;box-shadow:var(--shadow);border:1px solid #ffffff0f;border-radius:0;margin:20px 0;padding:20px 22px;font-size:13.5px;line-height:1.65;overflow-x:auto}.codetag{color:var(--ink-muted);letter-spacing:.08em;text-transform:uppercase;margin:4px 0 -6px 4px;font-size:11px;font-weight:700;display:inline-block}code,code.ic{background:var(--blue-soft);color:var(--blue);border:1px solid #006f8a2e;border-radius:0;padding:2px 6px;font-size:.84em}pre code{color:inherit;background:0 0;border:0;padding:0}pre .c,pre .c-cmt{color:#64748b;font-style:italic}pre .k,pre .c-key,pre .c-cmd{color:#7dd3fc}pre .s,pre .c-str{color:#86efac}pre .o{color:#93c5fd}.recap{color:#cbd5e1;max-width:920px;box-shadow:var(--shadow-lg);background:linear-gradient(160deg,#1e293b,#0f172a);border:1px solid #1e3a5f;border-radius:0;margin:34px 0 8px;padding:26px 28px}.recap h3,.recap h4{color:#fff;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px;font-size:16px;font-weight:780}.recap ul{margin:0;padding-left:0;list-style:none}.recap li{color:#94a3b8;margin:9px 0;padding-left:28px;font-size:15px;position:relative}.recap li:before{content:"";background:var(--blue-bright);border-radius:0;width:12px;height:12px;position:absolute;top:.62em;left:0}.recap b,.recap strong{color:#f1f5f9}footer{border-top:1px solid var(--line);color:var(--ink-soft);text-align:center;padding:46px 28px;font-size:13px}footer p{max-width:none;margin:0}footer b{color:var(--ink)}#toTop{z-index:40;width:42px;height:42px;color:var(--blue);box-shadow:var(--shadow);opacity:0;visibility:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe6;border:1px solid #006f8a40;border-radius:0;place-items:center;text-decoration:none;transition:all .22s;display:grid;position:fixed;bottom:20px;right:20px;transform:translateY(8px)}#toTop.show{opacity:1;visibility:visible;transform:none}#toTop:hover{background:var(--blue);color:#fff}@media(max-width:920px){.page-shell{display:block}nav.toc{display:none}}@media(max-width:680px){body{font-size:16px}.wrap,.page-shell{padding-left:20px;padding-right:20px}.hero,header.hero{padding-top:48px}.grid-2,.grid-3{grid-template-columns:1fr}.sec-head{align-items:flex-start}.sec-sub{margin-left:0}figure{padding:16px}}.topbar-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.rc-group{border:1px solid var(--nav-line);background:var(--nav-fill);border-radius:0;align-items:center;padding:2px;display:inline-flex}.rc-sep{background:var(--nav-line);width:1px;height:16px}.rc-btn{min-width:34px;height:28px;color:var(--nav-dim);cursor:pointer;background:0 0;border:0;border-radius:0;justify-content:center;align-items:center;gap:1px;padding:0 9px;font-family:Geist,ui-sans-serif,system-ui,sans-serif;font-size:13px;font-weight:700;line-height:1;transition:background .15s,color .15s;display:inline-flex}.rc-btn svg,.rc-theme svg,.toc-close svg,#toTop svg{display:block}.rc-btn .rc-ic{margin-left:1px}.rc-btn:hover{color:var(--nav-ink);background:var(--nav-fill-hover)}.rc-btn:focus-visible{outline:2px solid var(--blue-bright);outline-offset:2px}.rc-theme{border:1px solid var(--nav-line);background:var(--nav-fill);width:34px;min-width:0;padding:0;font-size:15px}.rc-theme:hover{background:var(--nav-fill-hover)}.topbar-actions .topbar-link{margin-left:2px}@media(max-width:560px){.topbar-actions .topbar-link,.topbar-title span{display:none}}[data-theme=sepia]{--bg:#efe6d2;--paper:#f7efdd;--paper-soft:#efe5cf;--ink:#2f2618;--ink-soft:#5f5238;--ink-muted:#6a5e42;--line:#ddd0b3;--line-strong:#ccba93;--blue:#005f78;--blue-bright:#007d9c;--blue-soft:#005f7814;--shadow:none;--shadow-lg:none}[data-theme=sepia] body{background:radial-gradient(var(--line) .7px,transparent .7px),var(--bg);background-size:22px 22px,auto}[data-theme=sepia] .chip{background:#ffffff6b}[data-theme=dark]{--bg:#0b1120;--paper:#131c2f;--paper-soft:#0f1727;--ink:#e8eef8;--ink-soft:#a3b3c9;--ink-muted:#8294ad;--line:#233044;--line-strong:#33425a;--blue:#5ccfed;--blue-bright:#00add8;--blue-soft:#00add81f;--navy:#0b1120;--code-bg:#0a0f1c;--shadow:none;--shadow-lg:none}[data-theme=dark] body{background:radial-gradient(#ffffff08 .7px,transparent .7px),var(--bg);background-size:22px 22px,auto}[data-theme=dark] .chip{background:#ffffff0a}[data-theme=dark] .box,[data-theme=dark] .card{background:var(--paper)}[data-theme=dark] .b-icon{background:#ffffff0f}[data-theme=dark] .analogy{background:#0d94881a;border-color:#0d94884d}[data-theme=dark] .tip{background:#00add81a;border-color:#00add847}[data-theme=dark] .warn{background:#ef44441a;border-color:#ef44444d}[data-theme=dark] .exam{background:#a78bfa1a;border-color:#a78bfa4d}[data-theme=dark] .analogy .box-tag{color:#2dd4bf}[data-theme=dark] .tip .box-tag{color:#5ccfed}[data-theme=dark] .warn .box-tag{color:#fca5a5}[data-theme=dark] .exam .box-tag{color:#c4b5fd}[data-theme=dark] code,[data-theme=dark] code.ic{color:#99eaf8;background:#00add824;border-color:#00add83d}[data-theme=dark] .def{background:#00add812;border-color:#00add833}[data-theme=dark] figure{background:#f1f5f9;border-color:#cbd5e1}[data-theme=dark] figcaption{color:#475569}[data-theme=dark] figcaption b{color:#0f172a}[data-theme=dark] #toTop{color:var(--blue);background:#131c2feb;border-color:#00add84d}[data-theme=dark] #toTop:hover{background:var(--blue);color:#fff}@media(prefers-reduced-motion:reduce){body{transition:none}html{scroll-behavior:auto}}.nav-brand{border-radius:0;align-items:center;gap:9px;text-decoration:none;transition:opacity .15s;display:inline-flex}.nav-brand:hover{opacity:.85}.nav-brand:hover .logo-badge{background:var(--blue-bright)}.nav-brand:focus-visible{outline:2px solid var(--blue-bright);outline-offset:3px}.nav-wordmark{color:var(--nav-ink);letter-spacing:-.015em;white-space:nowrap;font-size:15px;font-weight:600}.nav-wordmark-accent{color:var(--blue-bright);font-weight:700}.nav-context{align-items:baseline;gap:10px;min-width:0;display:inline-flex}.nav-sep{color:var(--nav-line);font-weight:400}.nav-context-title{color:var(--nav-ink);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;line-height:1.25;overflow:hidden}.nav-context-sub{color:var(--nav-dim);font-size:11.5px;font-weight:450;display:block}.nav-menu-btn{border:1px solid var(--nav-line);background:var(--nav-fill);width:38px;height:38px;color:var(--nav-ink);cursor:pointer;border-radius:0;flex:none;justify-content:center;align-items:center;margin-right:2px;transition:background .15s;display:none}.nav-menu-btn:hover{background:var(--nav-fill-hover)}.nav-menu-btn:focus-visible{outline:2px solid var(--blue-bright);outline-offset:2px}@media(pointer:coarse){.rc-btn{min-width:44px;min-height:44px}.rc-theme,.nav-menu-btn{width:44px;height:44px}}@media(max-width:560px){.topbar-actions .topbar-link{display:none}}@media(max-width:430px){.rc-group{display:none}}nav.toc a .num{color:var(--ink-soft)}.toc-head{display:none}.toc-backdrop{z-index:60;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0f172a80;position:fixed;inset:0}@media(min-width:921px){.toc-backdrop{display:none!important}}@media(max-width:920px){.nav-menu-btn{display:inline-flex}.nav-context{display:none}nav.toc{z-index:70;background:var(--paper);border-right:1px solid var(--line);width:min(82vw,320px);height:100%;margin:0;padding:18px 18px 32px;transition:transform .26s cubic-bezier(.4,0,.2,1);display:block;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-100%)}html.toc-open nav.toc{transform:none}.toc-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.toc-close{width:40px;height:40px;color:var(--ink-muted);cursor:pointer;background:0 0;border:0;border-radius:0;font-size:26px;line-height:1}.toc-close:hover{background:var(--line);color:var(--ink)}}@media(prefers-reduced-motion:reduce){nav.toc{transition:none}}@keyframes rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.home{max-width:920px;margin:0 auto;padding:clamp(40px,6vw,88px) 28px 112px}.home-hero{padding-bottom:clamp(34px,5vw,52px);position:relative}.home-hero:before{content:"";background:radial-gradient(58% 58% at 32% 40%,var(--blue),transparent 72%);width:min(580px,78vw);height:420px;position:absolute;top:-140px;left:-6%}@supports (color:color-mix(in lab,red,red)){.home-hero:before{background:radial-gradient(58% 58% at 32% 40%,color-mix(in srgb,var(--blue) 11%,transparent),transparent 72%)}}.home-hero:before{pointer-events:none;z-index:-1}.home-kicker{border:1px solid var(--line);background:var(--paper);color:var(--blue);letter-spacing:.03em;box-shadow:var(--shadow);animation:rise .6s var(--ease-spring) backwards;border-radius:0;align-items:center;gap:10px;margin:0 0 24px;padding:7px 15px 7px 12px;font-size:12px;font-weight:700;display:inline-flex}.home-kicker .dot{background:var(--blue);border-radius:999px;flex:none;width:7px;height:7px}.home-title{letter-spacing:-.035em;max-width:15ch;animation:rise .6s var(--ease-spring) 50ms backwards;margin:0 0 22px;font-size:clamp(40px,7.4vw,78px);font-weight:800;line-height:1.01}.home-title em{font-family:var(--font-serif);letter-spacing:-.01em;color:var(--blue);font-style:italic;font-weight:500}.home-lede{max-width:54ch;color:var(--ink-soft);animation:rise .6s var(--ease-spring) .1s backwards;margin:0 0 32px;font-size:clamp(17px,2.1vw,20px);line-height:1.6}.home-lede b{color:var(--ink);font-weight:700}.home-facts{color:var(--ink-soft);animation:rise .6s var(--ease-spring) .16s backwards;flex-wrap:wrap;align-items:baseline;margin:0;font-size:15px;line-height:1.5;display:flex}.home-facts span{white-space:nowrap}.home-facts span+span:before{content:"·";color:var(--ink-muted);margin:0 14px}.home-facts b{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:700}.home-modules{margin-top:clamp(40px,6vw,74px)}.home-modules-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:22px;padding-bottom:16px;display:flex}.home-modules-head h2{letter-spacing:-.01em;color:var(--ink);margin:0;font-size:16px;font-weight:700}.home-modules-head .count{font-family:var(--font-mono);color:var(--ink-muted);font-size:12.5px}.curr{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.curr-item{border-bottom:1px solid var(--line);animation:rise .5s var(--ease-spring) backwards;animation-delay:calc(var(--i,0) * 42ms + .12s)}.curr-item>a{color:inherit;border-radius:0;grid-template-columns:2.4rem minmax(0,1fr) 1.25rem;grid-template-areas:"idx title go""idx sum go";align-items:center;gap:4px 16px;padding:16px 14px;text-decoration:none;transition:background .18s;display:grid}.curr-item>a:hover{background:var(--blue-soft)}.curr-item>a:focus-visible{outline:2px solid var(--blue-bright);outline-offset:-2px}.curr-index{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--ink-muted);grid-area:idx;align-self:center;font-size:13px;font-weight:600}.curr-title-row{flex-wrap:wrap;grid-area:title;align-items:baseline;gap:6px 9px;min-width:0;display:flex}.curr-title{letter-spacing:-.01em;color:var(--ink);font-size:16.5px;font-weight:700;line-height:1.3}.curr-badge{border:1px solid var(--blue-mid);background:var(--blue-soft);color:var(--blue);font-family:var(--font-mono);letter-spacing:.01em;border-radius:0;padding:1px 7px;font-size:10.5px;font-weight:700}.curr-flag{background:var(--blue);color:#fff;border-radius:0;padding:1px 9px;font-size:10.5px;font-weight:700}.curr-sum-row{grid-area:sum;align-items:baseline;gap:8px 16px;min-width:0;display:flex}.curr-sum{min-width:0;color:var(--ink-soft);-webkit-line-clamp:1;-webkit-box-orient:vertical;flex:1;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.curr-meta{color:var(--ink-muted);white-space:nowrap;flex:none;align-items:center;gap:9px;font-size:12.5px;display:inline-flex}.curr-target{font-family:var(--font-mono);color:var(--ink-soft);font-size:11px}.curr-meta .dotsep{color:var(--line-strong)}.curr-go{color:var(--ink-muted);transition:transform .2s var(--ease-spring),color .18s ease;grid-area:go;place-self:center end;place-items:center;display:grid}.curr-item>a:hover .curr-go{color:var(--blue);transform:translate(3px)}.reading-progress{z-index:60;pointer-events:none;height:3px;position:fixed;top:0;left:0;right:0}.reading-progress-bar{transform-origin:0;background:var(--blue);width:100%;height:100%;transition:transform 80ms linear;display:block;transform:scaleX(0)}.mod-back{color:var(--ink-muted);align-items:center;gap:7px;margin:26px 0 -6px;padding-block:4px;font-size:13px;font-weight:600;text-decoration:none;transition:color .15s;display:inline-flex}.mod-back:hover{color:var(--blue)}.mod-back svg{width:16px;height:16px;transition:transform .15s}.mod-back:hover svg{transform:translate(-2px)}.toc-eyebrow{color:var(--ink-muted);letter-spacing:0;margin:0 0 16px;font-size:12px;font-weight:650;display:block}@media(max-width:920px){.toc-eyebrow{display:none}}nav.toc a{border-radius:0}nav.toc a.active{background:linear-gradient(90deg,var(--blue),transparent 80%)}@supports (color:color-mix(in lab,red,red)){nav.toc a.active{background:linear-gradient(90deg,color-mix(in srgb,var(--blue) 12%,transparent),transparent 80%)}}.mod-pager{grid-template-columns:1fr 1fr;gap:14px;max-width:920px;margin:8px 0 0;display:grid}.pager-card{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);color:inherit;transition:transform .24s var(--ease-spring),border-color .2s ease,box-shadow .24s ease;border-radius:0;flex-direction:column;gap:4px;padding:18px 20px;text-decoration:none;display:flex}.pager-card:hover{border-color:var(--blue-mid);box-shadow:var(--shadow-lg);transform:translateY(-3px)}.pager-card:focus-visible{outline:2px solid var(--blue-bright);outline-offset:3px}.pager-next{text-align:right;align-items:flex-end}.pager-dir{letter-spacing:0;color:var(--blue);align-items:center;gap:6px;font-size:12px;font-weight:650;display:inline-flex}.pager-dir svg{width:15px;height:15px}.pager-name{color:var(--ink);font-size:15px;font-weight:700;line-height:1.3}.pager-empty{visibility:hidden}.card{transition:transform .22s var(--ease-spring),border-color .2s ease,box-shadow .22s ease}.card:hover{border-color:var(--blue-mid);box-shadow:var(--shadow-lg);transform:translateY(-2px)}@media(max-width:760px){.home{padding-left:20px;padding-right:20px}}@media(max-width:600px){.curr-item>a{grid-template-columns:1.9rem minmax(0,1fr) 1.1rem;column-gap:12px;padding:14px 10px}.curr-sum-row{flex-direction:column;align-items:flex-start;gap:3px}.curr-sum{-webkit-line-clamp:2}.curr-meta{font-size:12px}}@media(max-width:560px){.mod-pager{grid-template-columns:1fr}.pager-next{text-align:left;align-items:flex-start}}@media(prefers-reduced-motion:reduce){.home-kicker,.home-title,.home-lede,.home-facts,.curr-item{animation:none}.pager-card:hover,.card:hover,.curr-item>a:hover .curr-go,.mod-back:hover svg{transform:none}.reading-progress-bar,.nav-switch-menu{transition:none}}.nav-switch{min-width:0;display:inline-flex}@supports not selector(:popover-open){.nav-switch{display:none}}.nav-switch-btn{border:1px solid var(--nav-line);background:var(--nav-fill);max-width:300px;height:36px;color:var(--nav-ink);font-family:var(--font-display);cursor:pointer;border-radius:0;align-items:center;gap:8px;padding:0 9px 0 11px;font-size:13px;font-weight:600;line-height:1;transition:background .15s,border-color .15s;display:inline-flex}.nav-switch-btn:hover{background:var(--nav-fill-hover);border-color:var(--ink)}@supports (color:color-mix(in lab,red,red)){.nav-switch-btn:hover{border-color:color-mix(in srgb,var(--ink) 22%,transparent)}}.nav-switch-btn:focus-visible{outline:2px solid var(--blue-bright);outline-offset:2px}.nav-switch-glyph{color:var(--blue);flex:none}.nav-switch-label{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.nav-switch-caret{color:var(--nav-dim);flex:none;transition:transform .2s}.nav-switch:has(.nav-switch-menu:popover-open) .nav-switch-caret{transform:rotate(180deg)}.nav-switch-menu{border:1px solid var(--line);background:var(--paper);width:min(344px,100vw - 24px);max-height:min(70vh,540px);color:var(--ink);box-shadow:var(--shadow-lg);opacity:0;transition:opacity .16s ease,transform .16s var(--ease-spring),overlay .16s allow-discrete,display .16s allow-discrete;border-radius:0;margin:0;padding:8px;position:fixed;inset:auto;overflow-y:auto;transform:translateY(-6px)}.nav-switch-menu:popover-open{opacity:1;transform:none}@starting-style{.nav-switch-menu:popover-open{opacity:0;transform:translateY(-6px)}}.nss-head{color:var(--ink-muted);margin:2px 8px 8px;font-size:12px;font-weight:600}.nss-item{color:inherit;border-radius:0;align-items:center;gap:11px;padding:9px 10px;text-decoration:none;transition:background .14s;display:flex}.nss-item:hover{background:var(--blue-soft)}.nss-item:focus-visible{outline:2px solid var(--blue-bright);outline-offset:-2px}.nss-item.is-current{background:var(--blue-soft)}.nss-badge{border:1px solid var(--blue-mid);background:var(--blue-soft);width:30px;height:30px;color:var(--blue);font-family:var(--font-mono);border-radius:0;flex:none;place-items:center;font-size:11px;font-weight:700;display:grid}.nss-item.is-current .nss-badge{background:var(--blue);color:#fff;border-color:var(--blue)}.nss-body{flex-direction:column;gap:1px;min-width:0;display:flex}.nss-title{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:650;overflow:hidden}.nss-sub{font-family:var(--font-mono);color:var(--ink-muted);font-size:11px}.nss-here{color:var(--blue);flex:none;margin-left:auto;font-size:10.5px;font-weight:700}@media(max-width:560px){.nav-switch-label{display:none}.nav-switch-btn{padding:0 8px}}.compare{grid-template-columns:1fr 1fr;gap:18px;max-width:920px;margin:26px 0;display:grid;position:relative}.cmp-side{border:1px solid var(--line);border-top:3px solid var(--line-strong);background:var(--paper);min-width:0;box-shadow:var(--shadow);border-radius:0;padding:18px 20px 20px}.cmp-label{color:var(--ink);font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;margin-bottom:9px;font-size:11px;font-weight:800}.cmp-body p,.cmp-body ul{max-width:none;color:var(--ink-soft);font-size:calc(14px * var(--scale));margin:0;line-height:1.62}.cmp-body ul{padding-left:20px}.cmp-body li{margin:5px 0}.cmp-body b,.cmp-body strong{color:var(--ink)}.cmp-vs{z-index:2;background:var(--ink);width:40px;height:40px;color:var(--paper);font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;border-radius:0;place-items:center;font-size:12px;font-weight:800;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.cmp-blue{border-top-color:var(--blue)}.cmp-teal{border-top-color:var(--teal)}.cmp-red{border-top-color:var(--red)}.cmp-violet{border-top-color:var(--violet)}.cmp-blue .cmp-label{color:var(--blue)}.cmp-teal .cmp-label{color:var(--teal)}.cmp-red .cmp-label{color:var(--red)}.cmp-violet .cmp-label{color:var(--violet)}@media(max-width:600px){.compare{grid-template-columns:1fr;gap:14px}.cmp-vs{justify-self:center;margin:-4px 0;position:static;transform:none}}.note{background:linear-gradient(180deg,var(--paper-soft),var(--paper));border-color:var(--line-strong)}.note .box-tag,.note .b-head{color:var(--ink-soft)}.bridge{background:linear-gradient(180deg,var(--violet-soft),var(--paper));border-color:#6750a438}.bridge .box-tag,.bridge .b-head{color:var(--violet)}[data-theme=dark] .note{background:var(--paper);border-color:var(--line-strong)}[data-theme=dark] .note .box-tag{color:var(--ink-soft)}[data-theme=dark] .bridge{background:#a78bfa1a;border-color:#a78bfa4d}[data-theme=dark] .bridge .box-tag{color:#c4b5fd}pre.astro-code{max-width:880px;box-shadow:var(--shadow);border:1px solid #94a3b829;border-radius:0;margin:26px 0;padding:0;position:relative;overflow:hidden;background:var(--code-bg)!important}pre.astro-code .cb-head{font-family:var(--font-mono);background:#94a3b80f;border-bottom:1px solid #94a3b824;align-items:center;gap:10px;padding:9px 12px 9px 15px;display:flex}pre.astro-code .cb-dots{gap:6px;display:none}pre.astro-code[data-term] .cb-dots{display:inline-flex}pre.astro-code .cb-dots span{background:#475569;border-radius:999px;width:11px;height:11px}pre.astro-code[data-term] .cb-dots span:first-child{background:#ef5f57}pre.astro-code[data-term] .cb-dots span:nth-child(2){background:#febc2e}pre.astro-code[data-term] .cb-dots span:nth-child(3){background:#28c840}pre.astro-code .cb-name{color:#cbd5e1;letter-spacing:.01em;font-size:12px;font-weight:600}pre.astro-code .cb-copy{color:#cbd5e1;font-family:var(--font-mono);cursor:pointer;background:#94a3b814;border:1px solid #94a3b838;border-radius:0;align-items:center;gap:5px;margin-left:auto;padding:4px 11px;font-size:11px;font-weight:600;transition:background .15s,color .15s,border-color .15s;display:inline-flex}pre.astro-code .cb-copy:hover{color:#fff;background:#94a3b833}pre.astro-code .cb-copy:focus-visible{outline:2px solid var(--blue-bright);outline-offset:2px}pre.astro-code .cb-copy.is-copied{color:#6ee7b7;border-color:#6ee7b773}pre.astro-code>code{font-family:var(--font-mono);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;padding:16px 18px;font-size:13.25px;line-height:1.7;display:block;overflow-x:auto}@media(pointer:coarse){pre.astro-code .cb-copy{min-height:32px}}.mermaid{border:1px solid var(--line);background:var(--paper);max-width:920px;box-shadow:var(--shadow);text-align:center;border-radius:0;margin:30px auto;padding:22px 24px;overflow-x:auto}.mermaid svg{max-width:100%;height:auto}.mermaid:not([data-processed]){color:#0000;min-height:90px}.fig-cap{max-width:920px;color:var(--ink-soft);text-align:center;margin:-14px auto 30px;font-size:13px;font-weight:550;line-height:1.55}.fig-cap b{color:var(--ink)}.filetree{border:1px solid var(--line);background:var(--paper);max-width:720px;box-shadow:var(--shadow);border-radius:0;margin:26px 0;overflow:hidden}.ft-head{border-bottom:1px solid var(--line);background:var(--paper-soft);color:var(--ink-soft);font-family:var(--font-mono);letter-spacing:.02em;padding:10px 16px;font-size:12px;font-weight:700}.ft-list{max-width:none;margin:0;padding:10px 0;list-style:none}.ft-row{padding:3px 16px 3px calc(16px + var(--d,0) * 20px);font-family:var(--font-mono);align-items:center;gap:8px;margin:0;font-size:13px;line-height:1.55;display:flex}.ft-row::marker{content:""}.ft-ic{color:var(--ink-muted);flex:none;display:inline-flex}.ft-dir>.ft-ic{color:var(--blue)}.ft-name{color:var(--ink-soft)}.ft-dir>.ft-name{color:var(--ink);font-weight:650}.ft-slash{color:var(--ink-muted)}.ft-cmt{color:var(--ink-muted);font-family:var(--font-display);margin-left:8px;font-size:12px}.ft-cmt:before{content:"# ";opacity:.7}.endpoint{border:1px solid var(--line);background:var(--paper);max-width:880px;box-shadow:var(--shadow);border-radius:0;flex-wrap:wrap;align-items:center;gap:12px;margin:12px 0;padding:12px 16px;display:flex}.ep-method{color:#fff;min-width:62px;font-family:var(--font-mono);letter-spacing:.04em;text-align:center;border-radius:0;flex:none;padding:4px 10px;font-size:11px;font-weight:800}.ep-get{background:var(--teal)}.ep-post{background:var(--blue)}.ep-put{background:var(--violet)}.ep-patch{background:#b45309}.ep-delete{background:var(--red)}.ep-head,.ep-options{background:var(--ink-muted)}.ep-path{color:var(--ink);font-family:var(--font-mono);background:0 0;border:0;padding:0;font-size:13.5px;font-weight:600}.ep-desc{color:var(--ink-soft);font-size:13.5px}@media(max-width:680px){.endpoint{gap:8px 12px}.ep-desc{flex-basis:100%}}[data-theme=dark] .ep-post{background:#00738a}[data-theme=dark] .ep-head,[data-theme=dark] .ep-options{background:#475569}[data-theme=dark] .curr-flag{background:#00738a}[data-theme=dark] .nss-item.is-current .nss-badge{background:#00738a;border-color:#00738a}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}