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button{padding:8px 12px}input{padding:9px 11px;min-width:0}select{padding:8px 30px 8px 10px;background-position:right 10px center}
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dialog{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;width:min(620px,calc(100% - 32px));padding:24px;max-height:85vh;overflow:auto}dialog::backdrop{background:#000b}.dialog-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}dialog h2{font-size:22px;margin-bottom:14px}dialog p{color:var(--muted);font-size:12px;margin:10px 0;overflow-wrap:anywhere}dialog a{color:var(--blue)}dialog dl{display:grid;grid-template-columns:120px 1fr;gap:12px;font-size:12px}dialog dt{color:var(--muted)}dialog dd{margin:0;overflow-wrap:anywhere}.api-code{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface);border:1px solid var(--line);padding:20px;font:12px/1.7 ui-monospace,SFMono-Regular,monospace}
@keyframes breathe{0%,100%{text-shadow:0 0 7px var(--green),0 0 16px #1db84740}50%{text-shadow:0 0 10px var(--green),0 0 24px #1db84770}}
@media(min-width:1450px){.header-inner{max-width:1240px}.page-shell{width:min(1180px,calc(100% - 64px))}.desk-grid{grid-template-columns:minmax(0,1fr) 310px;gap:32px}.header-inner nav{gap:25px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.article-list .archive-date{display:block;font-size:10px;color:var(--subtle);margin-top:5px}
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.selected-models{max-height:100px;overflow:auto;padding:1px 2px 4px}
.lab-resource{display:inline-block;border:1px solid var(--line);padding:7px 10px;border-radius:4px;font-size:11px}.lab-resource:hover{border-color:var(--blue);background:var(--blue-tint)}dialog .run-settings{display:block;margin:0}dialog .run-settings dt{margin-top:7px;font-size:10px}dialog .run-settings dd{font-size:12px}

/* Revision 5: open editorial surfaces and a visible signal identity. */
:root,body[data-theme=light]{--blue:#0e8dfd;--blue-tint:#0e8dfd0b;--yellow:#f4df63;--amber:#ffbd46;--tier-blue:#0e8dfd;--tier-green:#75e5a2;--tier-yellow:#f4df63;--tier-orange:#ff9c4b;--tier-red:#ff7777}
body[data-theme=light]{--tier-green:#147c42;--tier-yellow:#8a6400;--tier-orange:#b44c00;--tier-red:#be303b}
body{isolation:isolate}
.page-shell,.site-footer{position:relative}.sidebar,.page-heading,.method-intro,.prose-layout,.source-note,.method-faq{background:color-mix(in srgb,var(--bg) 96%,transparent)}
.terminal-mark>span{display:inline-block;transform-origin:center;animation:signal-spectrum 18s linear infinite,signal-breathe 3s ease-in-out infinite;text-shadow:0 0 5px currentColor,0 0 12px currentColor,0 0 24px currentColor;will-change:opacity,filter}
@keyframes signal-spectrum{0%,100%{color:#0e8dfd}18%{color:#43da8b}36%{color:#f4df63}54%{color:#ffbd46}72%{color:#ff801f}88%{color:#fa423c}}
@keyframes signal-breathe{0%,100%{opacity:.65;filter:brightness(.9);transform:scaleX(.9)}50%{opacity:1;filter:brightness(1.5);transform:scaleX(1.14)}}
.status-dot.live{position:relative;color:var(--green);animation:live-breathe 2.6s ease-in-out infinite;background:currentColor}.status-dot.live:after{content:"";position:absolute;inset:-3px;border:1px solid currentColor;border-radius:50%;animation:live-ring 2.6s ease-out infinite}.status-dot.orange.live{color:var(--orange)}
@keyframes live-breathe{0%,100%{box-shadow:0 0 3px currentColor;opacity:.65}50%{box-shadow:0 0 11px currentColor;opacity:1}}
@keyframes live-ring{0%{transform:scale(.65);opacity:.65}80%,100%{transform:scale(1.8);opacity:0}}
.header-inner{gap:25px}.header-inner nav{gap:20px}.header-inner nav a{font-size:12.5px;font-weight:500}.header-tools{gap:12px}.icon-button{border:0;border-radius:0;background:transparent;min-width:40px;height:40px;padding:8px}.icon-button:hover{color:var(--blue);background:transparent}.sun-icon{display:block}.moon-icon{display:none}body[data-theme=light] .sun-icon{display:none}body[data-theme=light] .moon-icon{display:block}
.menu-glyph path{transform-origin:center;transition:transform .2s,opacity .2s}.menu-toggle[aria-expanded=true] path:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] path:last-child{d:path('M4 16h16');transform:translateY(-4px) rotate(-45deg)}
.top-grid{gap:0 26px}.story-card,.lead-card,body[data-theme=light] .lead-card{border:0;border-radius:0;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 97%,transparent);padding:22px 0;box-shadow:none;transition:background .2s,color .2s}
.lead-card{padding:24px 0 25px}.story-card:before{content:"";position:absolute;inset:10px auto 10px -12px;width:2px;background:var(--blue);opacity:0;transform:scaleY(.55);transition:opacity .2s,transform .2s}
.story-card:hover,.story-card:focus-within,.lead-card:hover,body[data-theme=light] .lead-card:hover{border-color:var(--line);background:color-mix(in srgb,var(--bg) 94%,var(--blue));box-shadow:none}.story-card:hover:before,.story-card:focus-within:before{opacity:1;transform:scaleY(1)}
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[data-tier=baseline]{--tier-color:var(--tier-blue)}[data-tier=notable]{--tier-color:var(--tier-green)}[data-tier=elevated]{--tier-color:var(--tier-yellow)}[data-tier=breakout]{--tier-color:var(--tier-orange)}[data-tier=seismic]{--tier-color:var(--tier-red)}.tier-icon{width:18px;height:18px;fill:none;stroke:var(--tier-color,currentColor);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.velocity-badge{display:inline-flex;align-items:center;gap:5px;color:var(--tier-orange);font:11px ui-monospace,SFMono-Regular,monospace}.velocity-badge svg{width:14px;height:14px}.receipt-score{font-size:10px;color:var(--muted)}.receipt-score b{color:var(--text);font-size:13px}.tier-name-inline{color:var(--tier-color);display:inline-flex;gap:7px;align-items:center}.tier-list>span{display:flex;align-items:center;gap:8px}.tier-list .tier-icon{width:16px;height:16px}.tier-list b{margin-left:auto}.tier-list [data-tier]{color:var(--tier-color)}.calc-score .tier-name-inline{font-size:12px;color:var(--tier-color)}
.context-box,.glance,.signal-box,.receipt,.method-layer,.model-picker,.callout,.calculator{border-radius:0;border:0;border-top:1px solid var(--line);background:color-mix(in srgb,var(--bg) 98%,transparent);box-shadow:none}.context-box,.glance{padding:20px 0}.method-layer{padding:22px 0}.receipt{padding:20px 0}.signal-box{padding:16px 0}.calculator{padding:26px 0}.callout{border-left:2px solid var(--blue);padding:14px 20px;background:var(--blue-tint)}.model-picker{padding:18px 0}.selected-models button,.model-options button,.lab-resource,.labs-directory button{border-radius:0}.btn{border-radius:2px}.btn.secondary{border-width:0 0 1px;padding-left:0;padding-right:0}.paper-grid{gap:0 26px}.paper-card{padding:22px 0}.back-top{border-radius:50%;background:var(--action);color:var(--on-action)}
.benchmark-table td.tier-top{background:#142b21;color:#9af5b6}.benchmark-table td.tier-strong{background:#10283b;color:#85c8ff}.benchmark-table td.tier-mid{background:#302b16;color:#ffe776}.benchmark-table td.tier-low{background:#321d23;color:#ff9ea8}.benchmark-table td button{color:inherit;font-weight:550}.legend i{background:#9af5b6}.legend .strong{background:#85c8ff}.legend .mid{background:#ffe776}.legend .low{background:#ff9ea8}
body[data-theme=light] .benchmark-table td.tier-top{background:#e0f6e9;color:#115d32}body[data-theme=light] .benchmark-table td.tier-strong{background:#e0f0ff;color:#095b9b}body[data-theme=light] .benchmark-table td.tier-mid{background:#fff6c8;color:#725100}body[data-theme=light] .benchmark-table td.tier-low{background:#ffeaed;color:#a52339}body[data-theme=light] .legend i{background:#21864c}body[data-theme=light] .legend .strong{background:#0e8dfd}body[data-theme=light] .legend .mid{background:#d0a500}body[data-theme=light] .legend .low{background:#de5169}body[data-theme=light] .magnitude-badge[data-tier=baseline] .tier-name{color:#0868bb}
.machine-links{display:flex;gap:18px;flex-wrap:wrap;margin:24px 0}.machine-links a{font-size:12px;color:var(--blue);border-bottom:1px solid var(--blue);padding:4px 0}.contract-table{width:100%;border-collapse:collapse;font-size:12px;margin:18px 0 30px}.contract-table th,.contract-table td{padding:12px 14px 12px 0;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.contract-table th{color:var(--text);font-weight:550}.contract-table td{color:var(--muted)}.contract-table code{color:var(--text);font-size:11px;overflow-wrap:anywhere}.api-code{border:0;border-left:2px solid var(--blue);padding:18px 22px;border-radius:0}.rss-item{padding:22px 0;border-bottom:1px solid var(--line)}.rss-item h3{font-size:17px}.rss-item p{font-size:13px;margin:10px 0}.rss-item .meta{font-size:10px}.machine-doc{max-width:800px}.motion-toggle{font-size:11px;padding:0;border:0;background:none;color:var(--muted)}.motion-toggle:hover{color:var(--blue)}body[data-motion=paused] *,body[data-motion=paused] *:before,body[data-motion=paused] *:after{animation-play-state:paused!important}
@media(max-width:1100px){.header-inner nav{gap:15px}.header-inner nav a{font-size:12px}.header-inner{gap:20px}}
@media(max-width:900px){.header-inner nav a{font-size:13px}.header-inner nav{gap:25px}.story-card,.lead-card,.small-card,.wire-card{padding:21px 0}.card-top time{margin-left:auto}.context-box,.glance{padding:18px 0}}
@media(max-width:700px){.header-inner{flex-wrap:nowrap;min-height:66px;gap:10px;padding:0 16px}.header-tools{gap:9px}.header-inner .wordmark{font-size:21px}.menu-toggle{min-width:40px;height:44px}.header-inner nav{display:none;position:absolute;top:65px;left:0;right:0;max-height:calc(100dvh - 66px);overflow:auto;background:var(--bg);margin:0;padding:15px 24px 22px;border-bottom:1px solid var(--line);box-shadow:0 20px 25px #0002;flex-basis:auto}.header-inner nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0;animation:menu-reveal .18s ease-out}.header-inner nav a{flex-basis:auto;min-height:47px;justify-content:flex-start;font-size:15px;font-weight:500;padding:12px 0;border:0;border-radius:0;position:relative;letter-spacing:-.01em}.header-inner nav a[aria-current=page]{background:none;color:var(--text)}.header-inner nav a[aria-current=page]:after{content:"";width:24px;height:2px;background:var(--blue);position:absolute;left:0;bottom:6px}.header-inner nav a:hover{color:var(--blue)}.top-grid{gap:0 21px}.story-card .primary-link:after{inset:0 -4px}.story-card:before{left:-8px}.story-signals{gap:8px}.magnitude-badge{gap:6px}.magnitude-badge .magnitude-label{font-size:9px}.magnitude-badge .tier-name{font-size:9px;padding-left:6px}.magnitude-badge strong{font-size:15px}.calculator{padding:22px 0}.method-layer{padding:18px 0}.updated{font-size:9px}.contract-table{font-size:11px}.contract-table td,.contract-table th{padding-right:10px}.source-note{background:var(--bg)}}
@media(max-width:420px){.card-top{gap:7px}.card-top .source-name{font-size:9px}.story-card,.small-card,.lead-card,.wire-card{padding:21px 0}.small-card .card-bottom{font-size:10px}.header-tools{gap:4px}.header-inner{gap:4px}.wordmark{gap:6px}.header-inner .wordmark{font-size:20px}.updated{font-size:8px}.top-grid{gap:0}.story-signals{margin-top:14px}.magnitude-badge .magnitude-label{font-size:10px}.magnitude-badge .tier-name{font-size:10px}}
@keyframes menu-reveal{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.terminal-mark>span{color:#0e8dfd;opacity:1;filter:none;text-shadow:0 0 10px currentColor}.header-inner nav.open{animation:none}}

/* Revision 6 — shared behavior, protected reading surfaces and dot-to-signal mark. */
.terminal-mark{display:inline-flex;align-items:baseline;gap:1px;letter-spacing:-.10em}.terminal-mark>span{font-size:0;width:17px;height:4px;position:relative;display:inline-block;animation:none;filter:none;transform:none;will-change:auto}
.terminal-mark>span:after{content:"";position:absolute;bottom:-2px;left:0;width:4px;height:4px;border-radius:50%;background:currentColor;box-shadow:0 0 5px currentColor,0 0 14px currentColor;animation:signal-emerge 14s linear infinite}
@keyframes signal-emerge{0%,3%{width:4px;height:4px;border-radius:50%;opacity:1;color:#0e8dfd}5%,8%{opacity:.08}10%,13%{opacity:1}15%,18%{opacity:.08}20%,23%{opacity:1}25%,28%{opacity:.08;width:4px;height:4px;border-radius:50%;color:#0e8dfd}31%{opacity:1;width:4px;height:4px;color:#43da8b}45%{width:8px;height:3px;border-radius:1px;color:#f4df63}59%{width:12px;height:3px;color:#ffbd46}73%{width:17px;height:3px;color:#ff801f}86%,94%{width:17px;height:3px;border-radius:0;color:#fa423c;opacity:1}99%,100%{width:4px;height:4px;border-radius:50%;color:#0e8dfd;opacity:0}}
.scene-stage{position:relative;z-index:1;height:240px;max-width:1128px;width:calc(100% - 52px);margin:auto;pointer-events:none;overflow:hidden}.scene-caption{display:flex;justify-content:space-between;padding-top:26px;color:var(--muted);font:10px/1.5 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.06em}.observatory-title{display:none}.page-shell{z-index:2;background:var(--bg);box-shadow:0 0 0 24px var(--bg);margin-top:20px}.site-footer{z-index:2;background:var(--bg)}
/* Fully opaque containment stops the field from showing through any reading or data panel. */
.story-card,.lead-card,.sidebar,.page-heading,.method-intro,.prose-layout,.source-note,.method-faq,.context-box,.glance,.signal-box,.receipt,.method-layer,.model-picker,.calculator{background:var(--bg)}
.story-card:has(.save-button:hover),.story-card:has(.save-button:focus-visible){background:var(--bg)}.story-card:has(.save-button:hover):before,.story-card:has(.save-button:focus-visible):before{opacity:0}.story-card:has(.save-button:hover) h3,.story-card:has(.save-button:focus-visible) h3{color:var(--text)}
.save-button{min-height:34px;min-width:76px;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 9px;border:1px solid transparent;border-radius:2px;color:var(--muted);font-size:11px;line-height:1.2;transition:color .15s,background .15s}
.save-button svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5}.save-button[aria-pressed=true]{color:var(--blue);font-weight:600}.save-button[aria-pressed=true] svg{fill:currentColor;stroke:currentColor}.save-button:hover,.save-button:focus-visible{background:var(--raised);border-color:var(--blue);color:var(--text)}.save-button .remove-label{display:none}.save-button[aria-pressed=true]:hover .save-label,.save-button[aria-pressed=true]:focus-visible .save-label{display:none}.save-button[aria-pressed=true]:hover .remove-label,.save-button[aria-pressed=true]:focus-visible .remove-label{display:inline}.save-button[aria-pressed=true]:hover svg{fill:none}.card-bottom .save-button{margin-left:auto}
.tier-icon{width:22px;height:22px;stroke-width:1.8}.magnitude-badge .tier-name,.magnitude-badge .magnitude-label{font-size:11px}.magnitude-badge strong{font-size:18px}.magnitude-badge .tier-name{border:0;padding-left:2px}.story-signals{gap:14px}.velocity-badge{font-size:11px}.velocity-badge .tier-icon{width:16px;height:16px}.scenario-note{font-size:11px;color:var(--muted);margin-bottom:8px}.scenario-title{font:inherit;text-align:left;border:0;padding:0;background:none;color:inherit}.scenario-title:after{content:"";position:absolute;inset:0;z-index:1}.scenario-inspect{position:relative;z-index:2;border:0;background:none;font-size:10px;padding:5px 0;color:var(--muted);margin-left:auto}.signal-specimen .card-top .source-name{color:var(--tier-color)}.signal-specimen .magnitude-badge{pointer-events:none}.signal-specimen .rank{margin-left:auto}
@media(max-width:700px){.scene-stage{height:180px;width:calc(100% - 32px)}.scene-caption{font-size:8px;padding-top:18px}.scene-caption span:last-child{display:none}.page-shell{box-shadow:0 0 0 14px var(--bg);margin-top:16px}.save-button{min-height:40px;min-width:83px}.tier-icon{width:21px;height:21px}.magnitude-badge .tier-name,.magnitude-badge .magnitude-label{font-size:10px}}
@media(prefers-reduced-motion:reduce){.terminal-mark>span:after{animation:none;width:17px;height:3px;border-radius:0;color:#0e8dfd;opacity:1}}
body:not([data-route=feed]) .scene-stage{height:64px}body:not([data-route=feed]) .scene-caption,body:not([data-route=feed]) .observatory-title{display:none}
body[data-design=signal] .scene-stage{height:140px}.scene-stage:after{content:"";position:absolute;left:0;right:0;bottom:0;height:38px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
@media(max-width:700px){body[data-design=signal] .scene-stage{height:120px}}
body:not([data-route=feed]) .scene-stage{height:64px!important}
.velocity-badge .tier-icon{stroke:var(--tier-orange)}

/* Background field removed; keep only the compact editorial introduction. */
body[data-design=signal] .scene-stage{height:64px}.scene-stage:after{display:none}
body:not([data-route=feed]) .scene-stage{display:none}

/* Equal excerpt geometry and type keep content identical across design directions. */
.summary,.paper-side p,.paper-card>p{font-family:Inter,Arial,sans-serif;font-weight:400;letter-spacing:normal}