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*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,pre:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{color:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:500}h1{letter-spacing:-.045em}h2{letter-spacing:-.03em}p{line-height:1.6}button,a,input{ -webkit-tap-highlight-color:transparent}button{border-radius:3px}small{line-height:1.5}::selection{background:#f5c0ac}
.shell{display:grid;grid-template-columns:190px minmax(0,1fr);min-height:100vh}.sidebar{background:#ecece3;border-right:1px solid var(--line);padding:32px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brandmark{display:grid;place-items:center;background:var(--ink);color:var(--paper);width:39px;height:43px;font-family:Georgia,serif;font-size:31px;line-height:1}.brandtext{display:flex;flex-direction:column;gap:3px}.brandtext strong{font-size:19px;font-weight:600;letter-spacing:-.05em}.brandtext small{font-size:8px;letter-spacing:.29em;color:var(--muted)}.brand-caption{font-family:Georgia,serif;font-size:16px;color:var(--muted);line-height:1.5;margin:25px 0 40px}.tabs{display:flex;flex-direction:column;gap:5px}.tab{display:flex;align-items:center;gap:12px;padding:13px 10px;border:0;background:transparent;color:var(--muted);text-align:left}.tab small{font:10px Consolas,monospace}.tab span{font-size:12px;font-weight:600}.tab:hover{background:#e2e3d9}.tab.selected{background:var(--ink);color:var(--paper)}.tab.selected small{color:#f6a589}.sidebar-bottom{margin-top:auto;padding-top:40px}.sidebar-bottom p{white-space:pre-line;font:17px/1.5 Georgia,serif;margin:12px 0 25px}.panel-kicker,.eyebrow{font-size:10px;font-weight:650;letter-spacing:.12em;line-height:1.5}.eyebrow{color:var(--accent)}.panel-kicker{color:var(--muted)}.live-link{font-size:11px;text-underline-offset:4px;line-height:1.7}.workspace{min-width:0;padding:0 32px 28px}.topbar{display:flex;justify-content:space-between;align-items:center;min-height:69px;border-bottom:1px solid var(--line);gap:16px}.topbar>.eyebrow{color:var(--muted);font-size:9px}.header-badges{display:flex;align-items:center;gap:20px}.pill{font:9px/1.5 Consolas,monospace;letter-spacing:.055em;color:var(--muted)}.pill:before{content:"";display:inline-block;width:6px;height:6px;background:var(--olive);margin-right:7px}.pitch-button{font-size:11px;border:0;padding:5px 0;background:transparent;text-decoration:underline;text-underline-offset:4px}.body{max-width:1400px;margin:auto}.body-overview{padding-top:30px}.exchange-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;margin-bottom:30px}.exchange-intro h1{font:clamp(38px,4.3vw,69px)/1.02 Georgia,serif;letter-spacing:-.06em;margin:14px 0 0}.exchange-intro h1 span,.exchange-intro h1 em{display:block}.exchange-intro h1 em{font-weight:400;color:var(--accent)}.intro-aside{max-width:450px;padding-top:13px}.intro-lede{font-size:16px;line-height:1.65;color:#535d50;margin:0 0 22px}.intro-actions{display:flex;gap:10px;flex-wrap:wrap}.primary-button,.secondary-button{padding:12px 17px;border:1px solid var(--ink);font-size:11px;font-weight:600;background:transparent}.primary-button{background:var(--ink);color:var(--paper)}.primary-button:hover{background:var(--accent);border-color:var(--accent)}.secondary-button:hover{background:var(--soft)}.text-button{border:0;background:transparent;padding:10px 0;color:var(--accent);font-size:12px;font-weight:650;text-align:left;text-decoration:underline;text-underline-offset:5px}.exchange-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:18px}.network-paper,.value-paper,.business-paper{background:var(--white);border:1px solid var(--line);padding:24px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:15px}.section-title h2{font-size:20px;margin:0}.section-title>.panel-kicker{font-size:8px;white-space:nowrap}.section-description{font-size:11px;color:var(--muted);margin:8px 0 0}.network-map{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:32px;align-items:center;position:relative;margin:25px 0 20px;min-height:190px}.network-map:before{content:"";position:absolute;top:53%;left:15%;right:15%;height:1px;background:#b5bcae;z-index:0}.owner-column{border:1px dashed #bac0b0;padding:10px;display:grid;gap:7px;position:relative;background:var(--white)}.perimeter-label{position:absolute;top:-7px;left:8px;background:var(--white);padding:0 5px;font:8px Consolas,monospace;color:var(--muted)}.broker-column,.buyer-column{position:relative}.broker-column:before,.buyer-column:before{content:'→';position:absolute;left:-24px;top:calc(50% - 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/* Interactive decision economics */
.body-lab{padding-top:24px}.lab-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.lab-heading h2{font:32px/1.1 Georgia,serif;margin:9px 0}.lab-heading p{font-size:12px;color:var(--muted);margin:0}.presets{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.preset,.reset,.proof-button{background:var(--white);border:1px solid var(--line);font-size:10px;padding:10px 12px}.preset:hover,.proof-button:hover{border-color:var(--ink)}.preset:first-child{color:var(--accent);border-color:#d9ac95}.lab-grid{display:grid;grid-template-columns:190px minmax(230px,1fr) minmax(245px,1fr);gap:16px}.control-panel{padding:19px;background:#ecece1;display:flex;flex-direction:column;gap:22px;min-width:0}.slider-control{display:grid;gap:9px}.slider-head{display:flex;align-items:center;justify-content:space-between;font-size:10px;gap:4px}.slider-head output{font:12px Consolas,monospace}.slider-control input,.revenue-control input{appearance:none;width:100%;height:20px;background:transparent;margin:0;cursor:pointer}.slider-control input::-webkit-slider-runnable-track,.revenue-control input::-webkit-slider-runnable-track{height:2px;background:#b5baab}.slider-control input::-webkit-slider-thumb,.revenue-control input::-webkit-slider-thumb{appearance:none;width:13px;height:13px;background:var(--accent);border:2px solid var(--white);margin-top:-5px;border-radius:50%}.slider-control input::-moz-range-track,.revenue-control input::-moz-range-track{height:2px;background:#b5baab}.slider-control input::-moz-range-thumb,.revenue-control input::-moz-range-thumb{width:11px;height:11px;background:var(--accent);border:2px solid var(--white);border-radius:50%}.reset{font-size:9px;background:transparent;text-align:left}.model-note{border-top:1px solid var(--line);padding-top:12px;margin-top:auto}.model-note-title{font-size:8px;letter-spacing:.1em;color:var(--muted)}.model-note p{font-size:10px;color:var(--muted);line-height:1.5;margin:7px 0 0}.hero-card{padding:25px 22px;background:var(--ink);color:var(--paper);height:100%;position:relative;display:flex;flex-direction:column;justify-content:center;gap:24px}.hero-copy .eyebrow{color:#eeaa8d;font-size:9px}.hero-copy h2{font:52px/1 Georgia,serif;text-transform:capitalize;letter-spacing:-.04em;margin:13px 0}.explanation{font-size:12px;color:#b9c3b0;margin:13px 0 0;line-height:1.6}.hero-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 15px}.hero-metric{display:grid;gap:7px;min-width:0}.hero-metric>span{font-size:9px;color:#b9c3b0;line-height:1.5}.hero-metric strong{font:20px/1.2 Consolas,monospace;letter-spacing:-.05em;overflow-wrap:anywhere}.belief-strip{border-top:1px solid #505a4c;padding-top:18px;display:flex;gap:18px;flex-wrap:wrap}.belief-strip .hero-metric strong{font-size:15px}.belief-strip .hero-metric>span{font-size:8px}.strategy-panel{display:flex;flex-direction:column;gap:15px;min-width:0}.race-card,.frontier-card{background:var(--white);border:1px solid var(--line);padding:17px;min-width:0}.race-card h3,.frontier-card h3{font:20px Georgia,serif;margin:8px 0 14px}.strategy{padding:9px 0;border-top:1px solid var(--line)}.strategy-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.strategy-head strong{font-size:10px;font-weight:600;line-height:1.5}.strategy-head>span{font:8px Consolas,monospace;color:var(--muted);white-space:nowrap}.cost-bar{height:3px;background:var(--soft);margin:10px 0}.cost-fill{display:block;height:100%;background:#bbc0b2}.winner-fill{background:var(--accent)}.strategy-detail{display:flex;justify-content:space-between;font:9px Consolas,monospace;color:var(--muted);gap:7px}.frontier-card{flex:1}.frontier-card svg{width:100%;height:85px;display:block}.axis-labels{display:flex;justify-content:space-between;font:8px Consolas,monospace;color:var(--muted);margin-top:10px}.frontier-legend{font-size:9px;line-height:1.5;color:var(--muted);margin-top:5px}.frontier-legend button{border:0;background:transparent;color:var(--accent);text-decoration:underline;padding:5px 6px 5px 0;font:inherit}.branch-section{margin-top:18px;border-top:1px solid var(--line);padding-top:17px}.section-head h3{font:21px Georgia,serif;margin:6px 0 15px}.branch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.branch-card{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:15px;background:transparent;border:1px solid var(--line);text-align:left}.branch-card:hover,.branch-card.active{background:var(--white);border-color:var(--olive)}.branch-card.active{box-shadow:inset 3px 0 var(--olive)}.branch-id{font:9px Consolas,monospace;text-transform:uppercase;color:var(--olive)}.branch-prob{grid-column:2;grid-row:1/3;font:25px Georgia,serif}.branch-meta{font-size:9px;color:var(--muted)}.branch-next{font-size:12px;text-transform:capitalize;font-weight:600}.branch-focus{display:flex;align-items:center;gap:12px;margin-top:13px;padding:12px 0;flex-wrap:wrap;font-size:10px}.branch-focus strong{text-transform:capitalize}.branch-focus small{color:var(--muted);font-size:10px}.lab-foot{border-top:1px solid var(--line);padding-top:12px;margin-top:10px;font:9px/1.5 Consolas,monospace;color:var(--muted);overflow-wrap:anywhere}.compute-status{font-size:10px;color:#eeaa8d}.is-computing .hero-metrics{opacity:.4}
/* Record inspection */
.body-proof{padding-top:26px}.proof-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:20px}.proof-heading h2{font:36px Georgia,serif;margin:10px 0}.proof-heading p{font-size:11px;color:var(--muted);max-width:520px}.proof-stats{display:flex;gap:20px}.proof-stats .hero-metric>span{color:var(--muted)}.proof-stats .hero-metric:first-child{max-width:160px}.proof-stats .hero-metric:first-child strong{font-size:10px;line-height:1.4}.proof-stats .hero-metric{min-width:80px}.dependence-proof{padding:13px 18px;background:#e6e9dd;display:flex;align-items:center;gap:17px;flex-wrap:wrap;border:1px solid #d5dac9;margin-bottom:15px}.dependence-proof strong{font-size:12px}.dependence-proof small{font-size:10px;color:var(--muted)}.proof-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border:1px solid var(--line);padding:18px 20px;background:var(--white);margin-bottom:18px}.proof-status{display:grid;gap:5px}.proof-status strong{text-transform:capitalize;font:25px Georgia,serif}.proof-status small{font-size:10px;color:var(--muted)}.proof-actions{display:flex;gap:8px}.proof-button{border-color:var(--ink);font-size:11px}.proof-button:first-child{background:var(--ink);color:var(--paper)}.tamper-result{flex-basis:100%;font:11px/1.5 Consolas,monospace;color:var(--red);overflow-wrap:anywhere}.tamper-result:empty{display:none}.proof-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:18px;min-height:360px}.record-list,.record-detail{border:1px solid var(--line);background:var(--white);padding:16px;min-width:0}.filter-label{display:grid;gap:9px;font-size:9px;letter-spacing:.08em}.filter-label select{border:1px solid var(--line);background:var(--white);padding:9px;max-width:100%;font-size:11px}.record-items{height:400px;overflow:auto;margin-top:15px}.record-row{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;padding:12px 7px}.record-row:hover,.record-selected{background:#ecece1}.record-kind{font-size:10px;display:block;color:var(--muted);margin-bottom:5px}.record-id{display:block;font:10px/1.5 Consolas,monospace;overflow-wrap:anywhere}.receipt-status{display:block;font:8px Consolas,monospace;color:var(--olive);margin-top:5px}.record-detail>.panel-kicker{overflow-wrap:anywhere;font-size:9px}.json-view{white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.65 Consolas,monospace;max-height:450px;overflow:auto;margin:20px 0 0;color:#4d5848}
/* Commercial case */
.body-business{padding-top:30px}.business-intro{max-width:750px;margin-bottom:25px}.business-intro h1{font:clamp(35px,3.8vw,54px)/1.05 Georgia,serif;letter-spacing:-.045em;white-space:pre-line;margin:13px 0 17px}.business-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.business-paper h2{font:27px Georgia,serif;margin:10px 0 13px}.business-paper>p{font-size:12px;color:var(--muted)}.commercial-steps{list-style:none;margin:22px 0 0;padding:0;counter-reset:stage}.commercial-steps li{position:relative;padding:12px 0 12px 31px;border-top:1px solid var(--line);counter-increment:stage;display:grid;gap:5px}.commercial-steps li:before{content:'0' counter(stage);position:absolute;left:0;top:14px;color:var(--accent);font:10px Consolas,monospace}.commercial-steps strong{font-size:12px;font-weight:600}.commercial-steps span{font-size:11px;color:var(--muted);line-height:1.5}.revenue-paper{background:#eeeedd}.price-pair{display:flex;gap:40px;padding:13px 0 18px;border-bottom:1px solid #d1d3c4}.price-pair>div{display:grid;gap:6px}.price-pair strong{font:40px Georgia,serif;letter-spacing:-.04em}.price-pair span{font-size:10px;color:var(--muted)}.revenue-control{display:grid;gap:12px;font-size:11px;margin:22px 0 18px}.revenue-result{display:flex;align-items:center;justify-content:space-between;gap:20px}.revenue-result span{font-size:10px;color:var(--muted)}.revenue-result strong{font:26px Consolas,monospace;white-space:nowrap;color:var(--accent);letter-spacing:-.07em}.scenario-note{display:block;font-size:9px;color:var(--muted);margin-top:12px}.commercial-evidence{margin:32px 0}.commercial-evidence>h2,.scale-path>h2{font:29px Georgia,serif;margin:10px 0 20px}.precedent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.precedent-grid article{border-top:2px solid var(--ink);padding-top:17px}.precedent-grid h3{font:24px Georgia,serif;margin:12px 0}.precedent-grid p{font-size:12px;color:var(--muted)}.source-link{font-size:10px;color:var(--ink);text-underline-offset:4px;line-height:1.7}.scale-path{border-top:1px solid var(--line);padding-top:20px}.scale-stages{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.scale-stages>div{position:relative;padding-left:30px}.scale-number{position:absolute;left:0;top:2px;font:11px Consolas,monospace;color:var(--accent)}.scale-stages strong{font-size:13px;font-weight:600}.scale-stages p{font-size:12px;color:var(--muted);margin-top:8px}
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/* Live network map: packets are typed records replayed in recorded order */
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/* Why this source? and the illustrative decision brief */
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/* Discovery impact: explicitly hypothetical commercial arithmetic. */
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/* Presenter */
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