@font-face{font-family:VT323;src:url('/fonts/vt323.ttf') format('truetype');font-display:swap}
@font-face{font-family:PlexMono;src:url('/fonts/plex-mono.ttf') format('truetype');font-display:swap}
@font-face{font-family:Cormorant;src:url('/fonts/cormorant-unicase.ttf') format('truetype');font-display:swap}
:root{--desktop:#10141a;--paper:#d8d8cb;--paper-light:#eeeddf;--ink:#282c30;--active:#634536;--copper:#eca173;--muted:#484e44;--green:#c3d5ae;--terminal:#1d2525;--line:#a0a395}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:auto}body{margin:0;font:1rem/1.6 PlexMono,'Courier New',monospace;color:var(--ink);background:var(--desktop)}button,a,summary{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:inherit;text-underline-offset:3px}h1,h2,h3,h4,p{margin-top:0}img,svg{max-width:100%}button,a,summary{overflow-wrap:anywhere}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #934423;outline-offset:3px}.evidence :focus-visible,.desktop-icon:focus-visible{outline-color:var(--copper)}.skip{position:fixed;top:-120px;left:12px;z-index:10000;background:var(--paper-light);padding:12px 20px}.skip:focus{top:8px}.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}
.menubar{background:var(--paper);border-bottom:3px solid #05070a;display:flex;align-items:center;gap:26px;min-height:56px;padding:0 24px;flex-wrap:wrap}.system-name{display:flex;align-items:center;gap:12px;text-decoration:none;font:1.875rem VT323,monospace}.system-name img{width:32px;height:32px;image-rendering:pixelated}.menubar nav{display:flex;align-self:stretch;flex-wrap:wrap;gap:4px;font:1.75rem VT323,monospace}.menubar nav a{display:flex;align-items:center;text-decoration:none;padding:9px 16px;min-height:48px}.menubar nav a:hover,.menubar nav a[aria-current]{color:var(--paper-light);background:var(--active)}.private-stamp{margin-left:auto;font-size:.875rem}
.os-desktop{max-width:1800px;margin:auto}.os-canvas{position:relative;height:calc(100dvh - 160px);min-height:560px;background-image:radial-gradient(#37414b .65px,transparent .65px);background-size:5px 5px;overflow:hidden;isolation:isolate}
.desktop-icons{position:absolute;left:18px;top:24px;display:flex;flex-direction:column;gap:14px;width:132px}.desktop-icon{border:1px solid transparent;background:transparent;color:var(--paper-light);padding:9px 5px;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:1rem;line-height:1.4;min-height:92px}.desktop-icon:hover{background:#2b353c;border:1px dotted var(--copper)}.desktop-icon svg{height:40px;width:40px;stroke:var(--copper);fill:none;stroke-width:1.8}.empty-desktop{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c0c3bd;pointer-events:none;font-size:1rem}.empty-desktop img{margin-bottom:22px;opacity:.7}.empty-desktop p{margin-bottom:6px}
.os-window{position:absolute;display:flex;flex-direction:column;min-width:0;background:var(--paper);border:2px solid #05070a;padding:5px;box-shadow:inset 2px 2px #f5f5e8,inset -2px -2px #7d857d,7px 7px 0 #05070a;overflow:hidden}
.window-bar{display:flex;align-items:stretch;gap:5px;background:#b9beaf;color:var(--ink);border-bottom:1px solid #7b8278;flex-shrink:0;min-height:46px}.is-active>.window-bar{background:var(--active);color:var(--paper-light)}.window-title{display:flex;align-items:center;gap:10px;border:0;background:transparent;color:inherit;flex:1;min-width:0;text-align:left;padding:4px 10px;font:1.625rem/1.1 VT323,monospace;cursor:grab;touch-action:none}.window-title:active{cursor:grabbing}.window-emblem{font-size:1.5rem;flex-shrink:0}.window-controls{display:flex;gap:3px;align-items:center;padding:2px}.window-controls button{min-width:44px;min-height:42px;padding:0 5px;border:2px solid #333b36;box-shadow:inset 2px 2px #fffff2,inset -2px -2px #8a9487;background:var(--paper);color:var(--ink);font:1.625rem/1 VT323,monospace}.window-controls button:hover{background:#f4ddc1}.window-controls button:focus-visible{outline:2px solid var(--ink);outline-offset:-5px}.window-title:focus-visible{outline:2px solid currentColor;outline-offset:-4px}
.window-content{min-height:0;min-width:0;flex:1;overflow:auto;overscroll-behavior:contain;scrollbar-color:#7d857d var(--paper);scrollbar-width:auto;overflow-wrap:anywhere}.window-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #939d8e;font-size:.875rem;min-height:30px;padding-left:9px;flex-shrink:0}.resize-grip{font-size:1.125rem;min-width:38px;min-height:30px;border:0;color:var(--muted);background:transparent;cursor:nwse-resize;touch-action:none}.is-maximized .resize-grip{visibility:hidden}
.taskbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:8px 15px;background:var(--paper);border-top:2px solid #05070a;min-height:58px}.taskbar-label{font-size:.875rem}#window-tasks{display:flex;flex-wrap:wrap;gap:7px}#window-tasks button{font-size:1rem;min-height:40px;padding:5px 12px;background:var(--paper-light);color:var(--ink);border:2px solid #6d7668;box-shadow:inset 1px 1px #fff}#window-tasks button[aria-pressed=true]{background:var(--active);color:var(--paper-light)}.desktop-tip{font-size:.875rem;margin:0 0 0 auto;color:var(--muted)}.desktop-footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#bac0be;font-size:.875rem;padding:10px 18px}.desktop-footer a{font-size:1rem;color:var(--copper)}
.registry{font-size:.875rem;letter-spacing:.04em;margin-bottom:10px}.welcome-body{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:26px;padding:28px;background:var(--desktop);color:var(--paper-light);min-height:100%;align-items:center}.welcome-copy .registry{color:var(--copper)}.welcome-copy h1{font:4rem/1 Cormorant,Georgia,serif;letter-spacing:-.04em;margin:0 0 14px}.tagline{font:1.875rem/1.12 VT323,monospace;color:var(--copper);margin-bottom:16px}.welcome-copy>p:not(.registry):not(.tagline){font-size:1rem;line-height:1.6;margin-bottom:20px}.welcome-copy .welcome-note{font-size:.875rem!important;color:#c0c3bd;margin:18px 0 0!important}.welcome-body>img{width:240px;height:auto;max-width:100%}
.pixel-button{display:inline-flex;align-items:center;justify-content:space-between;gap:16px;text-decoration:none;border:2px solid #191d20;box-shadow:inset 2px 2px #fffff2,inset -2px -2px #8a9487,2px 2px #05070a;background:var(--paper);color:var(--ink);font:1.625rem/1.15 VT323,monospace;min-height:48px;padding:10px 13px}.pixel-button:hover{background:#f4ddc1}.primary-action:focus-visible{outline-color:var(--copper)}
.example-context{padding:20px 22px 0}.example-context p{font-size:1rem;margin-bottom:14px}.example-context .registry{font-size:.875rem}.evidence{margin:0 10px;background:var(--terminal);color:var(--green);border:2px solid #111718;box-shadow:inset 1px 1px #6d796c;min-width:0}.terminal-header{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;align-items:center;padding:10px 18px;border-bottom:1px solid #4a5547;font-size:1rem}.status{text-transform:uppercase}.status:before{content:'■';font-size:.75rem;margin-right:9px}.evidence[data-state=failed] .terminal-header{color:#f1b2a6}.evidence-body{padding:22px}.evidence h3{font:2rem/1.1 VT323,monospace;color:#e5ebce;margin-bottom:16px}.evidence[data-state=failed] h3{color:#f3c6ba}#scenario-description{font-size:1rem;margin-bottom:18px}.observations{margin:0 0 18px;padding:14px 0;border-block:1px dashed #65745c;font-size:1rem}.observations>div{display:grid;grid-template-columns:minmax(140px,1fr) minmax(0,1.4fr);gap:10px;margin-block:5px}.observations dt{color:#afbea4}.observations dd{margin:0;overflow-wrap:anywhere}.brief-result h4{font-size:.875rem;font-weight:400;margin-bottom:12px}.task-tally{font-size:1rem;line-height:1.7}.task-tally strong{font:1.875rem VT323,monospace}.task-tally>span{padding-inline:4px}.blocker{font-size:1rem;line-height:1.6;padding-left:12px;border-left:2px solid var(--copper);color:#f3cdad}.blocker span{display:block;font-size:.875rem;margin-bottom:4px}.check-details{border-top:1px dashed #65745c;font-size:1rem}.check-details summary{padding:12px 0;cursor:pointer;color:#e5ebce;min-height:44px}.check-details ul{padding:0;list-style:none;margin:0 0 16px}.check-details li{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:8px 0;border-bottom:1px solid #495744}.pass-meaning{font-size:1rem;line-height:1.7;color:#bdc8b5;margin:18px 0}.receipt-link{display:flex;justify-content:space-between;gap:12px;color:var(--copper);font-size:1rem;min-height:44px;align-items:center}.unavailable{font:1.875rem VT323,monospace;color:#f3c6ba;margin-bottom:8px}.small{font-size:1rem}.other-outcomes{padding:24px 22px}.other-outcomes h2{font:1.75rem VT323,monospace;margin-bottom:13px}.scenario-controls{display:flex;flex-wrap:wrap;gap:10px}.scenario-controls button{min-height:44px;font-size:1rem;padding:8px 12px;background:var(--paper-light);color:var(--ink);border:2px solid #747d6d}.scenario-controls button[aria-pressed=true]{background:var(--active);color:var(--paper-light)}
.manual-body,.download-body{padding:24px}.manual-body h2,.download-body h2{font:2.125rem/1.1 VT323,monospace;margin-bottom:20px}.scope-list{margin:0}.scope-list>div{padding:16px 0;border-top:1px dotted #88937d;font-size:1rem}.scope-list dt{margin-bottom:8px}.scope-list dd{margin:0;color:var(--muted)}.download-body{display:grid;grid-template-columns:52px minmax(0,1fr);gap:0 20px}.disk-icon{width:48px;height:48px;stroke:var(--ink);fill:none;margin-top:10px}.download-body .pixel-button,.download-body .source-download,.checksum,.requirements,.privacy-note{grid-column:1/-1}.download-body p{font-size:1rem}.download-body .registry,.download-body .requirements{font-size:.875rem}.checksum{font-size:1rem;margin:20px 0;min-height:40px}.privacy-note{border-top:1px dotted var(--line);padding-top:16px;margin-bottom:0}.nojs-note{font-size:1rem;padding:20px;color:var(--paper-light)}
.example-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 14px;border-bottom:1px solid var(--line);flex-shrink:0}.example-toolbar label{font-size:1rem}.example-toolbar select{font:1rem PlexMono,monospace;min-height:44px;min-width:0;max-width:100%;flex:1;padding:7px;background:var(--paper-light);color:var(--ink);border:2px solid #747d6d}.example-toolbar select:focus-visible{outline:3px solid #934423;outline-offset:2px}
.example-context h2,.case-takeaway h2{font:2rem/1.15 VT323,monospace;margin-bottom:14px}.case-input{border-left:2px solid var(--active);padding-left:12px}.case-takeaway{padding:24px 22px}.case-takeaway p{font-size:1rem}.case-takeaway .recording-note{font-size:.875rem;color:var(--muted)}#case-source-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin:16px 0}#case-source-links a{font-size:1rem;min-height:44px;display:inline-flex;align-items:center;color:var(--copper)}#case-source-links p{width:100%;font-size:.875rem;line-height:1.6}.workflow-steps{padding-left:24px;font-size:1rem}.workflow-steps li{margin-bottom:22px;padding-left:4px}.workflow-steps strong{display:block;margin-bottom:5px}.assistant-prompt{font-size:1rem;margin-block:22px}.assistant-prompt summary{cursor:pointer;min-height:44px}.assistant-prompt p{padding:14px;border-left:2px solid var(--active);background:var(--paper-light)}.source-status{grid-column:1/-1;padding-top:20px;border-top:1px dotted var(--line)}.source-status h3{font:1.75rem VT323,monospace}.source-status a{font-size:1rem;display:inline-flex;align-items:center;min-height:44px}
/* Document content retains its own comfortable reading surface. */
.document-toolbar{padding:12px 20px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.875rem;border-bottom:1px solid var(--line)}.document-layout{display:grid;grid-template-columns:210px minmax(0,1fr)}.document-index{padding:22px 16px;background:#c5cabc;border-right:1px solid var(--line)}.document-index h2{font:1.75rem VT323,monospace;margin-bottom:15px}.document-index nav{display:flex;flex-direction:column;gap:12px}.document-index a{font-size:1rem;line-height:1.6;min-height:40px;display:inline-flex;align-items:center}.chapter-count{font-size:.875rem;color:var(--muted);margin-top:24px}.document-sheet{background:var(--paper-light);padding:30px;min-width:0}.document-sheet h1{font:2.75rem/1.1 Cormorant,Georgia,serif;margin:12px 0 25px}.document-sheet h2{font:2rem/1.15 VT323,monospace;margin:36px 0 20px}.document-sheet p{font:1.125rem/1.75 Georgia,serif;margin-bottom:22px}.document-sheet .standfirst{font-size:1.3125rem;line-height:1.55}.document-sheet .registry,.document-sheet .draft-context,.document-sheet .proposed-url{font-family:PlexMono,monospace;font-size:.875rem;line-height:1.75}.draft-context{border-block:1px dotted var(--line);padding-block:15px;margin-bottom:25px;color:var(--muted)}.document-sheet blockquote{font:1.375rem/1.5 Georgia,serif;border-left:3px solid var(--active);margin:28px 0;padding-left:20px}.proposed-url{overflow-wrap:anywhere;border-top:1px dotted var(--line);padding-top:20px;margin-top:30px}
@media(max-width:1100px){.desktop-tip{display:none}.welcome-body{grid-template-columns:minmax(0,1fr) 190px;gap:20px;padding:24px}.document-layout{grid-template-columns:1fr}.document-index{border-right:0;border-bottom:1px solid var(--line)}.document-index nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px}.chapter-count,.document-index>a{display:none}}
@media(max-width:760px){.menubar{padding:8px 12px;gap:8px 20px}.private-stamp{display:none}.menubar nav{font-size:1.5rem}.menubar nav a{padding:7px 9px;min-height:42px}.os-canvas{height:auto;min-height:calc(100dvh - 220px);overflow:visible;padding:0 8px 12px}.desktop-icons{position:relative;inset:auto;width:auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;padding:8px 0}.desktop-icon{min-height:82px;font-size:1rem;padding:5px 0;gap:5px}.desktop-icon svg{height:28px;width:28px}.os-window{position:relative!important;inset:auto!important;width:100%!important;height:auto;max-height:none;min-height:0}.window-bar{position:sticky;top:0;z-index:2;flex-wrap:wrap}.window-title{font-size:1.5rem;cursor:default;touch-action:pan-y;padding:6px}.window-controls{margin-left:auto}.window-controls button{min-width:42px;min-height:42px}.window-emblem{display:none}.window-content{overflow:visible}.window-bottom{min-height:29px}.resize-grip{display:none}.os-window.is-maximized{position:fixed!important;inset:6px!important;width:calc(100% - 12px)!important;height:calc(100dvh - 12px)!important;max-height:calc(100dvh - 12px)}.is-maximized>.window-content{overflow:auto}.taskbar{padding:10px 12px;gap:7px}.taskbar-label{width:100%}.desktop-footer{font-size:.875rem;padding:12px;gap:8px}.welcome-body{display:block;padding:22px 18px}.welcome-copy h1{font-size:3.5rem}.welcome-body>img{display:none}.welcome-copy .tagline{font-size:1.875rem}.welcome-note{margin-top:18px!important}.primary-action{width:100%;text-align:left}.empty-desktop{position:relative;min-height:300px}.example-context{padding:18px 14px 0}.evidence{margin-inline:4px}.evidence-body{padding:18px 13px}.observations>div{display:block;margin-bottom:12px}.observations dd{margin-top:4px}.terminal-header{padding-inline:13px}.other-outcomes{padding:20px 14px}.scenario-controls{display:flex;flex-direction:column}.scenario-controls button{text-align:left}.manual-body,.download-body{padding:20px 15px}.document-sheet{padding:24px 18px}.document-sheet h1{font-size:2.25rem}.document-index nav{display:flex}.document-toolbar{padding-inline:14px}}
.window-content{container-type:inline-size}.window-content:focus-visible{outline:3px solid #934423;outline-offset:-3px;box-shadow:inset 0 0 0 6px var(--paper-light)}
@container(max-width:850px){.document-layout{grid-template-columns:1fr}.document-index{border-right:0;border-bottom:1px solid var(--line)}.document-index nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px}.chapter-count,.document-index>a{display:none}}
@container(max-width:650px){.welcome-body{display:block}.welcome-body>img{display:none}.observations>div{display:block;margin-bottom:12px}.observations dd{margin-top:4px}.document-index nav{display:flex}.document-sheet{padding:24px 18px}}
@media(max-width:760px){.os-window{overflow:visible}.os-window.is-maximized{overflow:hidden}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Optional layers explanation stays readable within the existing Manual window. */
.layers-explanation{margin-block:24px;border-top:1px dotted var(--line);padding-top:18px;font-size:1rem;line-height:1.7}
.layers-explanation summary{min-height:44px;font-size:1rem;font-weight:bold;cursor:pointer}
.layers-explanation p{font-size:1rem;line-height:1.7;margin-block:18px}
.layers-figure{margin:20px 0}.layers-figure img{display:block;width:100%;height:auto;max-width:100%;border:1px solid var(--line)}
.layers-figure figcaption{font-size:.875rem;line-height:1.6;margin-top:12px}.layers-fullsize{display:inline-flex;align-items:center;min-height:44px;font-size:1rem;overflow-wrap:anywhere}

.release-links{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:14px 20px;margin:18px 0;font-size:1rem}.document-sheet pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:var(--desktop);color:var(--paper-light);font-size:1rem;line-height:1.5}.document-sheet code{font-family:Plex,monospace;overflow-wrap:anywhere}.document-sheet li{margin-bottom:12px}.document-sheet details{margin:20px 0}.document-sheet summary{font-size:1rem;cursor:pointer;min-height:44px}.source-download{margin-top:14px}