@font-face{font-family:display;src:url(/_next/static/media/103fc5fac08dcb15-s.p.woff2) format("woff2");font-display:swap;font-weight:100 900;font-style:normal}@font-face{font-family:display Fallback;src:local("Arial");ascent-override:99.65%;descent-override:24.81%;line-gap-override:0.00%;size-adjust:97.21%}.__className_c07436{font-family:display,display Fallback,system-ui,sans-serif;font-style:normal}.__variable_c07436{--font-display:"display","display Fallback",system-ui,sans-serif}@font-face{font-family:sans;src:url(/_next/static/media/e4af272ccee01ff0-s.p.woff2) format("woff2");font-display:swap;font-weight:100 900;font-style:normal}@font-face{font-family:sans Fallback;src:local("Arial");ascent-override:89.79%;descent-override:22.36%;line-gap-override:0.00%;size-adjust:107.89%}.__className_750350{font-family:sans,sans Fallback,system-ui,sans-serif;font-style:normal}.__variable_750350{--font-sans:"sans","sans Fallback",system-ui,sans-serif}@font-face{font-family:mono;src:url(/_next/static/media/bb3ef058b751a6ad-s.p.woff2) format("woff2");font-display:swap;font-weight:100 800;font-style:normal}@font-face{font-family:mono Fallback;src:local("Arial");ascent-override:77.57%;descent-override:22.82%;line-gap-override:0.00%;size-adjust:131.49%}.__className_c46e27{font-family:mono,mono Fallback,ui-monospace,monospace;font-style:normal}.__variable_c46e27{--font-mono:"mono","mono Fallback",ui-monospace,monospace}:root{--ground:#F6F6F3;--surface:#FFFFFF;--ink:#141414;--text-2:#2E2E2B;--text-3:#45453F;--muted:#5E5E5A;--rail-upcoming:#6E6E69;--line:#DEDED9;--border:#E3E3DE;--border-strong:#D4D4CE;--loop:#C9C9C3;--thumb-bg:#0A0A0A;--thumb-ink:#FFFFFF;--fault:#C2410C;--status-nominal:#15663C;--status-caution:#8A5000;--status-fault:var(--fault);--on-fault:#FFFFFF;--tint-nominal:#E6F0E9;--tint-caution:#F6EBD9;--tint-fault:#FAE8E0;--bg:var(--ground);--panel:#EDEDE8;--rule:var(--line);--edge:#8A8A84;--font-condensed:var(--font-display);--focus:var(--ink);--gap:40px;--wrap:1360px;--pad:40px;--radius:4px;--radius-lg:4px;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--ground:#0E1013;--surface:#16191E;--ink:#E6E9ED;--text-2:#D3D8DE;--text-3:#B9C0C9;--muted:#9AA2AD;--rail-upcoming:#8A929D;--line:#2A2F36;--border:#2A2F36;--border-strong:#353B44;--loop:#3C434D;--thumb-bg:#000000;--thumb-ink:#FFFFFF;--fault:#FF8A5B;--status-nominal:#4CC38A;--status-caution:#F2B33D;--status-fault:var(--fault);--on-fault:#0E1013;--tint-nominal:#13261C;--tint-caution:#2B2112;--tint-fault:#2E1715;--panel:#1E2228;--edge:#6B7380;color-scheme:dark}}:root[data-theme=dark]{--ground:#0E1013;--surface:#16191E;--ink:#E6E9ED;--text-2:#D3D8DE;--text-3:#B9C0C9;--muted:#9AA2AD;--rail-upcoming:#8A929D;--line:#2A2F36;--border:#2A2F36;--border-strong:#353B44;--loop:#3C434D;--thumb-bg:#000000;--thumb-ink:#FFFFFF;--fault:#FF8A5B;--status-nominal:#4CC38A;--status-caution:#F2B33D;--status-fault:var(--fault);--on-fault:#0E1013;--tint-nominal:#13261C;--tint-caution:#2B2112;--tint-fault:#2E1715;--panel:#1E2228;--edge:#6B7380;color-scheme:dark}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--font-sans),system-ui,sans-serif;font-size:17px;line-height:1.58;font-feature-settings:"cv05" 1}a{color:inherit}code{font-family:var(--font-mono),ui-monospace,monospace;font-size:.88em;background:var(--panel);padding:1px 5px;border-radius:4px}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}@media (max-width:720px){:root{--pad:20px}}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}[id]{scroll-margin-top:24px}.mono-label{font-size:11px;line-height:1.4;font-weight:500;letter-spacing:.08em;text-transform:uppercase}.label,.mono-label{margin:0;font-family:var(--font-mono),ui-monospace,monospace;color:var(--muted)}.label{font-size:12px;line-height:17px;font-weight:400;letter-spacing:.01em}.section-head{font-size:clamp(26px,3vw,32px);line-height:1.15;letter-spacing:-.015em}.section-head,.subhead{margin:0;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;color:var(--ink)}.subhead{font-size:19px;line-height:1.25;letter-spacing:-.01em}.subgroup-head{font-size:14px;line-height:1.3}.subgroup-head,.ui-label{margin:0;font-weight:600;color:var(--muted)}.ui-label{font-size:13px}.pattern-number{font-size:14px;color:var(--muted)}.display{margin:8px 0 0;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:clamp(38px,6vw,64px);line-height:1.03;letter-spacing:-.025em;color:var(--ink)}.lede{margin:16px 0 0;max-width:58ch;font-size:21px;line-height:31px;color:var(--text-2)}.site-header{border-bottom:1px solid var(--line)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}.brand{display:inline-flex;align-items:center;text-decoration:none;color:var(--ink)}.brand-logo{display:block;height:38px;width:auto;flex:none}.brand-lockup{gap:11px;white-space:nowrap}.brand-box,.brand-lockup{display:inline-flex;align-items:center}.brand-box{justify-content:center;width:30px;height:26px;border:1.5px solid var(--ink);border-radius:3px;font-family:var(--font-display),system-ui,sans-serif;font-weight:700;font-size:12px;letter-spacing:.02em}.brand-word{font-family:var(--font-mono),ui-monospace,monospace;font-size:12px;font-weight:500;letter-spacing:.1em;text-transform:uppercase}@media (max-width:560px){.brand-word{font-size:11px;letter-spacing:.06em}}.site-nav{display:flex;align-items:center;gap:22px}.site-nav-link{font-size:15px;color:var(--ink);text-decoration:none}.site-nav-link:hover{color:var(--ink);text-decoration:underline;text-underline-offset:2px}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-right:-10px;padding:0;border:0;background:transparent;color:var(--muted);cursor:pointer}.theme-toggle:hover{color:var(--ink)}@media (prefers-reduced-motion:no-preference){.theme-toggle{transition:color .15s ease}}.theme-icon{display:none}.icon-moon{display:block}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .icon-moon{display:none}:root:not([data-theme=light]) .icon-sun{display:block}}:root[data-theme=dark] .icon-moon{display:none}:root[data-theme=dark] .icon-sun,:root[data-theme=light] .icon-moon{display:block}:root[data-theme=light] .icon-sun{display:none}.site-footer{margin-top:72px;padding:20px 0 24px;border-top:1px solid var(--rule)}.footer-line{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin:0;font-size:14px;color:var(--muted)}.footer-line a,.footer-line a:visited{color:var(--ink);text-decoration:underline;text-underline-offset:2px}.footer-line a:focus-visible,.footer-line a:hover{color:var(--ink)}.cc-mark{width:1em;height:1em;vertical-align:-.14em;margin-right:.25em}.ext-icon{display:inline-block;margin-left:4px;vertical-align:baseline;opacity:.7}.loop-hero{position:relative;margin:8px 0 60px;scroll-margin-top:24px}.stations{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:34px;gap:34px;margin:0;padding:0}.station{position:relative;display:flex;min-width:0}.station-arrow{position:absolute;left:-34px;top:32px;color:var(--ink)}.station-body{display:flex;flex-direction:column;gap:6px;width:100%;padding:14px 14px 16px;background:var(--surface);border:1px solid var(--edge);border-top:3px solid var(--ink);text-decoration:none}.station.is-empty .station-body{background:none;border-top-color:var(--rule)}.station-name{font-family:var(--font-display),system-ui,sans-serif;font-size:23px;line-height:1.1;letter-spacing:-.01em;color:var(--ink)}.station-prompt{font-size:13px;line-height:1.35;color:var(--muted)}.station-count{margin-top:auto;padding-top:8px;font-family:var(--font-mono),ui-monospace,monospace;font-size:11px;color:var(--muted)}a.station-body:hover .station-name{text-decoration:underline;text-underline-offset:3px}a.station-body:hover .station-count{color:var(--ink)}.station.is-current .station-body{background:var(--panel)}.station.is-current .station-name{font-weight:600}.loop-hero.is-compact{margin:32px 0 40px}.is-compact .station-body{padding:10px 12px 12px}.is-compact .station-name{font-size:18px}.is-compact .station-arrow{top:22px}.is-compact .return-path{height:34px;margin-top:22px}.return-path{position:relative;height:56px;margin:28px 10% 0;border:2px solid var(--ink);border-top:0;border-radius:0 0 16px 16px}.return-path:after,.return-path:before{content:"";position:absolute;width:2px;background:var(--ink)}.return-path:before{left:-2px;top:-16px;height:16px}.return-path:after{right:-2px;top:-28px;height:28px}.return-head{position:absolute;left:-8px;top:-28px;color:var(--ink)}.return-label{position:absolute;left:50%;bottom:-10px;transform:translateX(-50%);margin:0;max-width:100%}.return-label span{padding:0 12px;background:var(--bg);font-size:13px;color:var(--muted);white-space:nowrap}@media (max-width:760px){.loop-hero{display:grid;grid-template-columns:34px minmax(0,1fr);grid-column-gap:14px;column-gap:14px;margin-bottom:40px}.stations{grid-column:2;grid-row:1;grid-template-columns:minmax(0,1fr);gap:26px}.station-arrow{left:50%;top:-26px;transform:translateX(-50%) rotate(90deg)}.return-path{grid-column:1;grid-row:1;align-self:stretch;height:auto;margin:36px 0;border:2px solid var(--ink);border-right:0;border-radius:16px 0 0 16px}.return-path:after,.return-path:before{display:none}.return-head{left:auto;right:-13px;top:-7px;transform:rotate(90deg)}.return-label{position:static;grid-column:1/-1;grid-row:2;transform:none;margin-top:18px}.return-label span{padding:0;background:none;white-space:normal}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.index-layout{display:grid;grid-template-columns:260px minmax(0,1fr);grid-gap:56px;gap:56px;align-items:start;padding-bottom:96px}.index-main{min-width:0}@media (max-width:1080px){.index-layout{grid-template-columns:220px minmax(0,1fr);gap:36px}}@media (max-width:720px){.index-layout{grid-template-columns:minmax(0,1fr);gap:0}}.hero{padding:48px 0 0}.hero-meta{margin-top:20px}.rail{position:-webkit-sticky;position:sticky;top:24px;align-self:flex-start;padding-top:56px}@media (max-width:720px){.rail{position:static;padding-top:32px;padding-bottom:8px}}.rail-eyebrow{margin-bottom:38px}.rail-body,.rail-list{position:relative}.rail-list{list-style:none;margin:0;padding:0}.rail-return{position:absolute;left:3px;top:-21px;width:20px;height:calc(100% + 31px);border:2px solid var(--loop);border-right:0;border-radius:10px;pointer-events:none}.rail-item{position:relative;padding-bottom:14px}.rail-item:last-child{padding-bottom:0}.rail-lead:after,.rail-lead:before{content:"";position:absolute;pointer-events:none}.rail-lead:before{left:22px;top:-11px;width:2px;height:18px;background:var(--loop)}.rail-lead:after{left:18px;top:7px;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:8px solid var(--loop)}.rail-link{display:block;position:relative;padding-left:48px;text-decoration:none;color:inherit}.rail-dot{position:absolute;left:17px;top:17px;width:12px;height:12px;border-radius:50%;background:var(--loop)}.rail-item:not(:last-child):after{content:"";position:absolute;left:22px;top:31px;bottom:-17px;width:2px;background:var(--loop)}.rail-name{display:block;font-family:var(--font-display),system-ui,sans-serif;font-weight:500;font-size:20px;line-height:26px;letter-spacing:-.01em;color:var(--rail-upcoming)}.rail-question{display:block;margin-top:6px;font-size:16px;line-height:23px;color:var(--ink)}.rail-count{display:block;margin-top:8px}.rail-item.is-passed .rail-name{color:var(--text-3)}.rail-item.is-active .rail-name{color:var(--ink)}.rail-item.is-active .rail-dot,.rail-item.is-active:after,.rail-item.is-passed .rail-dot,.rail-item.is-passed:after{background:var(--ink)}.rail-link:hover .rail-name{color:var(--ink)}.rail-link:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}.rail-caption{margin:16px 0 0;padding-left:48px;font-size:13px;line-height:1.4;color:var(--muted)}.key{display:flex;flex-wrap:wrap;gap:8px 22px;margin:14px 0 0}.key-item{gap:7px}.key-item,.key-item dt{display:flex;align-items:center}.key-item dt{gap:2px;margin:0;color:var(--ink)}.key-item dd{margin:0;font-family:var(--font-mono),ui-monospace,monospace;font-size:12px;line-height:1;color:var(--muted)}.key-mark{display:block}.controls{margin-top:28px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.controls-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px}.controls-row+.controls-row{margin-top:14px}.control{gap:10px}.control,.search{display:flex;align-items:center}.search{position:relative;flex:1 1 320px;min-width:220px}.search-icon{position:absolute;left:14px;width:16px;height:16px;color:var(--muted);pointer-events:none}.search input{width:100%;height:44px;padding:0 14px 0 40px;font:inherit;font-size:16px;color:var(--ink);background:var(--surface);border:1px solid var(--border-strong);border-radius:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none}.search input::placeholder{color:var(--muted)}.search input:focus-visible{outline:2px solid var(--focus);outline-offset:1px}.chips,.tabs{display:flex;flex-wrap:wrap;gap:8px}.filter-chip,.tab{min-height:32px;padding:6px 14px;font:inherit;font-size:15px;line-height:1.2;color:var(--ink);background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;cursor:pointer}.filter-chip:hover,.tab:hover{border-color:var(--muted)}.filter-chip[aria-pressed=true],.tab[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:var(--surface);font-weight:500}.filter-chip:focus-visible,.tab:focus-visible{outline:2px solid var(--focus);outline-offset:2px}@media (pointer:coarse){.filter-chip,.tab{min-height:44px;padding:10px 16px}}.result-count{margin-top:40px}.clear-filters,.clear-filters-inline{font:inherit;color:inherit;background:none;border:0;padding:0;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.clear-filters{margin-top:12px;font-size:15px;color:var(--ink)}.empty-results{margin-top:48px}.group{margin-top:64px;scroll-margin-top:24px}.group-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 16px;margin-bottom:20px}.group-name{margin:0;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:30px;line-height:1.1;letter-spacing:-.015em;color:var(--ink)}.group-question{margin:0;font-size:16px;color:var(--muted)}.thumb{display:block;width:100%;height:auto;aspect-ratio:240/132;background:var(--thumb-bg);color:var(--thumb-ink)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:24px;gap:24px;list-style:none;margin:0;padding:0}.card,.card-item{display:flex}.card{flex-direction:column;width:100%;height:100%;background:var(--surface);border:1px solid var(--border);border-radius:4px;overflow:hidden;text-decoration:none;color:inherit}.card:hover{border-color:var(--muted)}.card:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.card-thumb{flex:none}.card-body{display:flex;flex-direction:column;flex:1 1;padding:14px 16px}.card-name,.card-num{display:block}.card-name{margin-top:2px;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:19px;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}.card-intent{display:block;margin-top:6px;font-size:14px;line-height:21px;color:var(--text-3)}.card-job{display:block;margin-top:auto;padding-top:16px}.pattern-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;grid-gap:56px;gap:56px;align-items:start;padding-bottom:96px}.pattern{min-width:0}.crumbs{padding-top:32px}.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font-size:14px;color:var(--muted)}.crumbs li+li:before{content:"/";margin-right:8px;color:var(--border-strong)}.crumbs a{text-decoration:underline;text-underline-offset:2px;-webkit-text-decoration-color:var(--border-strong);text-decoration-color:var(--border-strong)}.crumbs a:hover{-webkit-text-decoration-color:currentColor;text-decoration-color:currentColor}.crumbs [aria-current=page],.crumbs a:hover{color:var(--ink)}.pattern-head{padding:28px 0 0}.pattern-number{margin:0}.section{margin-top:56px}.section-mechanism{margin-top:36px}.section>.section-head{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:20px}.prose-lead{margin:0;max-width:68ch;font-size:17px;line-height:27px;color:var(--text-2)}.when-not-head{margin-top:28px}.tag{display:inline-block;font-family:var(--font-mono),ui-monospace,monospace;font-size:12px;line-height:16px;letter-spacing:.01em;padding:3px 8px;border-radius:999px;border:1px solid var(--border-strong);color:var(--muted)}.tag-status{border-color:var(--ink);color:var(--ink)}.tag-observed{border-color:var(--muted);color:var(--ink)}.tag-speculative{border-style:dashed}.draft-tag{font-family:var(--font-mono),ui-monospace,monospace;font-size:11px;font-weight:400;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border:1px dashed var(--border-strong);border-radius:4px;color:var(--muted);white-space:nowrap}.mechanism{padding:22px 24px 24px;background:var(--surface);border:1px solid var(--border);border-radius:4px}.mechanism-head{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:6px 16px;margin-bottom:18px}.mechanism-arc{margin:0;font-size:15px;color:var(--muted)}.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:12px;gap:12px;list-style:none;margin:0;padding:0}.flow-card{display:flex;flex-direction:column;padding:14px 14px 16px;border:1px solid var(--border-strong);border-radius:4px;background:var(--surface)}.flow-card.is-key{background:var(--ink);border-color:var(--ink);color:var(--surface)}.flow-num{color:var(--muted)}.flow-card.is-key .flow-num{color:var(--surface);opacity:.85}.flow-title{margin-top:6px;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:17px;line-height:1.25;letter-spacing:-.01em}.flow-detail{margin-top:6px;font-size:15px;line-height:21px;color:var(--text-3)}.flow-card.is-key .flow-detail{color:var(--surface)}.flow-notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:12px 32px;gap:12px 32px;margin-top:18px}.flow-note{margin:0;padding-left:14px;border-left:2px solid var(--border-strong);font-size:15px;line-height:22px;color:var(--text-2)}.flow-note strong{color:var(--ink)}.jump{margin-top:20px}.jump-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}.jump-pill{display:inline-block;padding:6px 14px;font-size:14px;line-height:1.3;color:var(--ink);background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;text-decoration:none}.jump-pill:hover{border-color:var(--muted)}.jump-pill:focus-visible{outline:2px solid var(--focus);outline-offset:2px}@media (pointer:coarse){.jump-pill{padding:11px 16px}}.considerations{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.consideration{display:grid;grid-template-columns:40px minmax(0,1fr);grid-gap:0 8px;gap:0 8px;padding:16px 0;border-bottom:1px solid var(--line)}.consideration-num{padding-top:3px}.consideration-body{margin:0;max-width:68ch;font-size:16px;line-height:25px;color:var(--text-2)}.consideration-rule{font-weight:600;color:var(--ink)}.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:20px;gap:20px}.panel{padding:18px 20px 20px;background:var(--surface);border:1px solid var(--border);border-radius:4px}.panel-with{border:1.5px solid var(--ink)}.panel-label{margin-bottom:14px}.seq{margin:0;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:17px;line-height:1.4;letter-spacing:-.01em;color:var(--ink)}.seq-arrow{color:var(--muted);font-weight:400}.panel-caption{margin:10px 0 0;font-size:15px;line-height:22px;color:var(--text-3)}.examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));grid-gap:28px 24px;gap:28px 24px;list-style:none;margin:0;padding:0}.example-figure{margin:0}.example-image,.example-placeholder{display:block;width:100%;aspect-ratio:4/3;border-radius:4px}.example-image{object-fit:cover;background:var(--panel)}.example-placeholder{display:grid;place-items:center;padding:16px;text-align:center;background:var(--panel);border:1px solid var(--border)}.example-credit{margin-top:8px;font-size:14px;line-height:20px;color:var(--muted)}.example-credit a{color:inherit}.example-verdict{margin-top:10px;color:var(--ink)}.example-verdict.is-without{color:var(--fault)}.example-caption{margin:8px 0 0;font-size:15px;line-height:22px;color:var(--text-2)}.relations{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px;list-style:none;margin:0;padding:0}.relation-card{display:flex;gap:14px;height:100%;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:4px;text-decoration:none;color:inherit}.relation-card:hover{border-color:var(--muted)}.relation-card:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.relation-thumb{flex:none;width:88px;height:48px;border-radius:2px}.relation-body{min-width:0}.relation-label{display:block}.relation-name{display:block;margin-top:3px;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:17px;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}.relation-note{display:block;margin-top:4px;font-size:14px;line-height:20px;color:var(--text-3)}.source-notes{margin-bottom:28px}.sources{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.source{display:grid;grid-template-columns:32px minmax(0,1fr) auto;grid-gap:0 12px;gap:0 12px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}.source-num{color:var(--muted)}.source-body{min-width:0}.source-title{display:block;font-size:15px;line-height:21px;color:var(--ink)}.source-title a{color:inherit;text-decoration:underline;text-underline-offset:2px}.source-meta{display:block;margin-top:2px;font-size:14px;line-height:20px;color:var(--muted)}.source-type{text-align:right;white-space:nowrap}.source:target{background:var(--panel);box-shadow:0 0 0 6px var(--panel);border-radius:2px}@media (max-width:560px){.source{grid-template-columns:32px minmax(0,1fr)}.source-type{grid-column:2;text-align:left;margin-top:4px}}.pattern-aside{position:-webkit-sticky;position:sticky;top:24px;align-self:flex-start;padding-top:72px}.facts{margin:0;border-top:1px solid var(--ink)}.fact{padding:10px 0;border-bottom:1px solid var(--line)}.fact-label{margin:0}.fact-value{margin:3px 0 0;font-size:16px;line-height:22px;color:var(--ink)}.fact-shape{margin-right:5px;font-size:.8em;vertical-align:.08em}.fact-value.is-nominal{color:var(--status-nominal)}.fact-value.is-caution{color:var(--status-caution)}.fact-value.is-fault{color:var(--status-fault)}.toc{margin-top:32px}.toc-title{margin:0 0 12px}.toc-list{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}.toc-link{display:block;padding:5px 0 5px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:15px;line-height:21px;color:var(--muted);text-decoration:none}.toc-link:hover{color:var(--ink)}.toc-link[aria-current=true]{border-left-color:var(--ink);font-weight:600;color:var(--ink)}.toc-link:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}@media (max-width:1099px){.pattern-layout{grid-template-columns:minmax(0,1fr);gap:0}.pattern-aside{position:static;padding-top:48px;max-width:420px}.toc{display:none}.toc-mobile{display:block}}.pager{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:72px;padding-top:20px;border-top:1px solid var(--line)}.pager-link{text-decoration:none;color:var(--ink)}.pager-all{font-size:15px;text-decoration:underline;text-underline-offset:3px}.pager-next{text-align:right}.pager-name,.pager-next .label{display:block}.pager-name{margin-top:2px;font-family:var(--font-display),system-ui,sans-serif;font-weight:600;font-size:19px;letter-spacing:-.01em}.pager-all:hover,.pager-link:hover .pager-name{text-decoration:underline;text-underline-offset:3px}.pager-link:focus-visible{outline:2px solid var(--focus);outline-offset:3px}.toc-mobile{display:none;margin-top:32px}.toc-summary{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:var(--panel);border:1px solid var(--edge);border-radius:2px;font-family:var(--font-condensed),var(--font-sans),system-ui,sans-serif;font-weight:600;font-size:15px;color:var(--ink);cursor:pointer;list-style:none}.toc-summary::-webkit-details-marker{display:none}.toc-chevron{color:var(--ink)}.toc-mobile[open] .toc-chevron{transform:rotate(180deg)}@media (prefers-reduced-motion:no-preference){.toc-chevron{transition:transform .15s ease}}.toc-mobile .toc-list{margin-top:14px}.section-note{margin:-12px 0 24px;max-width:62ch;font-size:14px;color:var(--muted)}.elsewhere{list-style:none;margin:0;padding:0;max-width:68ch}.elsewhere-item{padding:16px 0;border-bottom:1px solid var(--rule)}.elsewhere-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin:0}.elsewhere-name{color:var(--ink);text-decoration:underline;text-underline-offset:2px;font-size:17px}.elsewhere-note{margin:4px 0 0;font-size:15px;color:var(--ink)}.review-flag{max-width:68ch;margin:0 0 40px;padding:20px 24px;border:1px solid var(--status-caution);border-left-width:4px;border-radius:var(--radius-lg);background:var(--tint-caution)}.review-flag-head{margin:0;font-family:var(--font-condensed),sans-serif;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--status-caution)}.review-flag-note{margin:6px 0 12px;font-size:15px;color:var(--ink)}.review-flag-list{margin:0;padding-left:20px;font-size:15px;color:var(--ink)}.review-flag-list li+li{margin-top:8px}.review-index{margin:0;padding:0;list-style:none}.review-index>li+li{margin-top:28px;padding-top:28px;border-top:1px solid var(--edge)}.review-index-head{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:baseline;margin:0 0 10px}.review-index-count{font-family:var(--font-mono),monospace;font-size:13px;color:var(--status-caution)}.fieldnote{max-width:68ch;padding:24px 28px;border:1px dashed var(--edge);border-radius:var(--radius-lg);background:var(--panel)}.fieldnote>.section-head{margin-bottom:12px;padding-bottom:0;border-bottom:0;color:var(--ink)}.fieldnote-list{margin:0;padding-left:20px;color:var(--ink)}.fieldnote-list li+li{margin-top:8px}.moment-explainer{max-width:68ch;margin:20px 0 0;color:var(--ink)}.anatomy{list-style:none;margin:0;padding:0;max-width:72ch;border-top:1px solid var(--rule)}.anatomy-row{display:grid;grid-template-columns:32px 12.5rem minmax(0,1fr);grid-gap:4px 16px;gap:4px 16px;padding:10px 0;border-bottom:1px solid var(--rule);align-items:baseline}.anatomy-num{font-family:var(--font-mono),ui-monospace,monospace;font-size:11px;color:var(--muted)}.anatomy-name{font-family:var(--font-display),system-ui,sans-serif;font-size:19px;line-height:1.25}.anatomy-note{font-size:15px;color:var(--ink)}.anatomy-caption{max-width:68ch;margin:16px 0 0;font-size:15px;color:var(--muted)}.defs{display:flex;flex-direction:column;gap:0;margin:0;max-width:72ch;border-top:1px solid var(--rule)}.def{display:grid;grid-template-columns:11rem minmax(0,1fr);grid-gap:4px 20px;gap:4px 20px;padding:12px 0;border-bottom:1px solid var(--rule);align-items:baseline}.def dt{font-weight:600}.def dd,.def dt{color:var(--ink)}.def dd{margin:0;font-size:15px}.level-num{display:inline-block;min-width:1.4em;font-family:var(--font-mono),ui-monospace,monospace;color:var(--muted)}.about .prose{max-width:68ch}@media (max-width:640px){.anatomy-row,.def{grid-template-columns:minmax(0,1fr);gap:4px}.anatomy-num{display:none}}.matrix-scroll{overflow-x:auto}.matrix{width:100%;min-width:620px;border-collapse:collapse}.matrix th{font-family:var(--font-mono),ui-monospace,monospace;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:10px 14px}.matrix thead th{border-bottom:1px solid var(--edge)}.matrix tbody th{width:7.5rem;vertical-align:top;border-right:1px solid var(--edge)}.matrix-corner{border-bottom:1px solid var(--edge)}.matrix-cell{padding:14px;vertical-align:top;border:1px solid var(--edge);background:var(--surface)}.matrix-cell.is-empty{background:transparent}.matrix-none{color:var(--edge)}.matrix-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.matrix-list a{text-decoration:none;font-size:15px;line-height:1.3}.matrix-list a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:2px}.matrix-num{font-family:var(--font-mono),ui-monospace,monospace;font-size:11px;color:var(--muted)}.changelog-note{max-width:68ch;padding:14px 18px;border:1px dashed var(--edge);border-radius:var(--radius);font-size:15px;color:var(--ink)}.changelog{list-style:none;margin:40px 0 0;padding:0;border-top:1px solid var(--rule)}.changelog-day{display:grid;grid-template-columns:7.5rem minmax(0,1fr);grid-gap:20px;gap:20px;padding:20px 0;border-bottom:1px solid var(--rule)}.changelog-date{margin:0;font-family:var(--font-mono),ui-monospace,monospace;font-size:13px;font-weight:500;color:var(--muted);padding-top:2px}.changelog-body{display:flex;flex-direction:column;gap:12px;min-width:0}.changelog-updated{display:flex;flex-direction:column;gap:6px;margin:0}.changelog-links{display:flex;flex-wrap:wrap;gap:8px 16px}.changelog-pattern{font-family:var(--font-display),system-ui,sans-serif;font-size:19px;text-decoration:none}.changelog-pattern:hover{color:var(--ink);text-decoration:underline;text-underline-offset:2px}.changelog-commits{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.changelog-commit{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;font-size:15px;color:var(--ink)}.changelog-hash{font-size:12px;color:var(--muted)}.changelog-subject{min-width:0}.changelog-touched{text-transform:none;letter-spacing:.04em;font-size:11px}@media (max-width:640px){.changelog-day{grid-template-columns:minmax(0,1fr);gap:10px}}.page-byline{margin:14px 0 0;max-width:62ch;font-size:15px;color:var(--muted)}.page-byline a{color:var(--ink);text-decoration:underline;text-underline-offset:2px}.byline{max-width:68ch}.socials{list-style:none;display:flex;gap:14px;margin:20px 0 0;padding:0}.social{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:36px;color:var(--muted)}.social:hover{color:var(--ink)}@media (prefers-reduced-motion:no-preference){.social{transition:color .15s ease}}.cite-format{padding:14px 16px;border-left:2px solid var(--edge);background:var(--surface);font-family:var(--font-mono),ui-monospace,monospace;font-size:14px;line-height:1.6;color:var(--ink)}.compare-interface .panel{padding:0;border:0;background:none}.console{padding:10px;background:var(--panel);border:1px solid var(--edge);border-radius:var(--radius-lg)}.console-title{margin:0 0 8px;padding-left:2px;font-family:var(--font-condensed),var(--font-sans),system-ui,sans-serif;font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.console-screen{padding:14px;background:var(--surface);border:1px solid var(--edge);border-radius:2px}.console-readout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:1px;gap:1px;margin:0 0 14px;background:var(--edge);border:1px solid var(--edge)}.console-cell{padding:7px 9px;background:var(--panel)}.console-cell dt{font-family:var(--font-condensed),var(--font-sans),system-ui,sans-serif;font-weight:600;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.console-cell dd{margin:2px 0 0;font-family:var(--font-mono),ui-monospace,monospace;font-size:14px;color:var(--ink)}.console-button{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin:0;padding:13px 14px;overflow:hidden;background:var(--status-fault);border:1px solid var(--status-fault);border-radius:2px;font-family:var(--font-condensed),var(--font-sans),system-ui,sans-serif;font-weight:600;font-size:16px;line-height:1.2;text-align:center;color:var(--on-fault)}.console-button.is-hold{cursor:pointer;touch-action:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.console-fill{position:absolute;inset:0;transform-origin:left center;background:var(--ink);opacity:.35}.console-button-text,.console-shape{position:relative}.console-button.is-done{background:var(--tint-fault);border-color:var(--status-fault);color:var(--status-fault)}.console-hint{margin:10px 0 0;font-size:13px;line-height:1.4;color:var(--muted)}.console-reset{margin-top:12px;padding:6px 12px;background:none;border:1px solid var(--edge);border-radius:2px;font:inherit;font-size:13px;color:var(--ink);cursor:pointer}.console-reset:hover{background:var(--panel)}.prose{max-width:68ch;color:var(--ink)}.prose h2,.prose h3{font-family:var(--font-display),system-ui,sans-serif;font-weight:400;color:var(--ink);line-height:1.2}.prose h2{font-size:28px}.prose h3{font-size:22px}.prose a{color:var(--ink);text-decoration:underline;text-underline-offset:2px}.prose blockquote{margin:16px 0;padding-left:16px;border-left:2px solid var(--rule);color:var(--muted)}.cite{font-size:11px;line-height:0;vertical-align:super}.cite a{padding:0 1px;font-family:var(--font-mono),monospace;font-weight:500;color:var(--status-caution);text-decoration:none}.cite a:focus-visible,.cite a:hover{text-decoration:underline;text-underline-offset:2px}.source[id]{scroll-margin-top:96px}.source[id]:target{background:var(--tint-caution);box-shadow:-8px 0 0 var(--tint-caution),8px 0 0 var(--tint-caution)}.empty{padding:24px;border:1px dashed var(--edge);border-radius:var(--radius-lg);color:var(--ink)}.empty p{margin:0}.empty-hint{margin-top:4px!important;font-size:14px;color:var(--muted)}.envelope{padding:56px 0 96px;max-width:62ch}.envelope-panel{padding:20px 22px 22px;background:var(--panel);border:1px solid var(--edge);border-radius:var(--radius)}.envelope-status{display:flex;align-items:baseline;gap:12px;margin:0;font-family:var(--font-condensed),var(--font-sans),system-ui,sans-serif;font-weight:600;font-size:clamp(24px,5vw,34px);line-height:1.1;letter-spacing:.04em;text-transform:uppercase;color:var(--status-fault)}.envelope-shape{font-size:.6em}.envelope-line{margin:12px 0 0;font-size:17px}.envelope-confidence{display:flex;gap:8px;margin:16px 0 0;padding-top:14px;border-top:1px solid var(--rule);font-family:var(--font-mono),ui-monospace,monospace;font-size:14px;color:var(--muted)}.envelope-value{min-width:4ch;color:var(--ink);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.hold-block{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:40px}.hold{position:relative;flex:none;width:160px;height:160px;padding:0;background:var(--surface);border:0;border-radius:99px;color:var(--ink);cursor:pointer;touch-action:none;-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.hold-ring{position:absolute;inset:0;width:100%;height:100%}.hold-label{position:relative;display:block;max-width:104px;margin:0 auto;font-family:var(--font-condensed),var(--font-sans),system-ui,sans-serif;font-weight:600;font-size:15px;line-height:1.25;letter-spacing:.04em;text-transform:uppercase}.hold-hint{margin:0;max-width:24ch;font-size:14px;color:var(--muted)}.hold-outcome{margin:28px 0 0;min-height:1.6em;font-size:17px}.hold-outcome a{text-decoration:underline;text-underline-offset:2px}.envelope-links{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:36px;padding-top:20px;border-top:1px solid var(--rule);font-size:15px}.envelope-links a{text-decoration:underline;text-underline-offset:2px}.envelope-links span{color:var(--muted)}:focus-visible{outline:2px solid var(--focus);outline-offset:3px}