/* Shared foundations. Component rules live once, beside their states. */
:root{color-scheme:light;--page:#f5f6f8;--paper:#fff;--soft:#eef0f3;--text:#21252b;--muted:#626a75;--rule:#dce0e5;--green:#247967;--green-soft:#e6f3ee;--danger:#a33536;--shadow:0 3px 8px #1c293308,0 24px 64px -28px #23354128;--radius:24px;--width:1200px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}
:root[data-theme=dark]{color-scheme:dark;--page:#1b1e23;--paper:#262a31;--soft:#30353e;--text:#f0f2f5;--muted:#b1b8c2;--rule:#454c56;--green:#82cfb6;--green-soft:#263e38;--danger:#ffa1a2;--shadow:0 3px 8px #0002,0 24px 64px -28px #0008}
*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--page);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:var(--green)}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}:focus-visible{outline:3px solid var(--green);outline-offset:4px}button,input,select,summary{min-height:44px}button{color:var(--text)}input,select{min-width:0;color:var(--text)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip{position:fixed;top:-100px;left:16px;z-index:20;background:var(--paper);padding:12px}.skip:focus{top:8px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:620;line-height:1.13;letter-spacing:-.04em;text-wrap:balance}h1{font-size:clamp(2.75rem,5.6vw,5rem);font-weight:650;letter-spacing:-.055em}h2{font-size:clamp(1.8rem,3vw,2.8rem)}h3{font-size:1.25rem}p{max-width:70ch}p+p{margin-top:1em}strong{font-weight:600}small,.small{font-size:.875rem;color:var(--muted)}.eyebrow{font-size:.875rem;font-weight:600;color:var(--green);margin-bottom:20px}.lead{font-size:1.25rem;line-height:1.5;color:var(--muted);max-width:650px}.site-header{height:84px;background:var(--paper);border-bottom:1px solid var(--rule)}.header-inner{max-width:var(--width);height:100%;margin:auto;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;text-decoration:none;font-size:1rem;font-weight:650;letter-spacing:-.025em}.brand img{width:28px;height:28px}.main-nav{display:flex;gap:24px;margin-left:auto;font-size:.875rem}.main-nav a{min-height:44px;display:flex;align-items:center;text-decoration:none}.main-nav a[aria-current=page]{color:var(--green)}.header-tools{display:flex;align-items:center;gap:12px}.header-tools a{font-size:.875rem;text-decoration:none;min-height:44px;display:flex;align-items:center}.theme-button,.menu-button{border:0;background:transparent;padding:8px;font-size:.875rem}.menu-button{display:none}.main{max-width:var(--width);margin:auto;padding:64px 0 100px}.page-intro{margin-bottom:52px}.page-intro .lead{margin-top:28px}.home-opening{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:end;margin-bottom:48px}.home-opening>p{font-size:1.2rem;color:var(--muted);padding-bottom:5px}.home-opening h1{font-size:clamp(2.75rem,5vw,4.4rem)}.chapter{padding-top:100px;scroll-margin-top:32px}.section-title{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-bottom:32px}.section-title>p{color:var(--muted);font-size:1.125rem}.section-title:not(:has(>p)){display:block}.reading-rows{border-top:1px solid var(--rule)}.reading-rows article{display:grid;grid-template-columns:1fr 1.8fr;gap:64px;padding:30px 0;border-bottom:1px solid var(--rule)}.reading-rows article p{color:var(--muted)}.reading-rows+p{margin-top:24px}.reading-rows a{font-size:.875rem}.detail{border-top:1px solid var(--rule);margin-top:26px}.detail summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;cursor:pointer;font-weight:550;font-size:1rem}.detail summary::-webkit-details-marker{display:none}.detail summary::after{content:'+';font-size:1.25rem;font-weight:400}.detail[open] summary::after{content:'−'}.detail-body{max-width:800px;padding:12px 0 28px;color:var(--muted)}.detail-body>p+a,.detail-body>p+.table-scroll{margin-top:24px}.detail-body a{font-size:.875rem}.topic-list{display:grid;grid-template-columns:1fr 1fr;column-gap:64px}.topic-list>a{display:flex;align-items:center;gap:32px;justify-content:space-between;border-top:1px solid var(--rule);padding:30px 0;text-decoration:none}.topic-list strong{font-size:1.25rem;letter-spacing:-.025em}.topic-list p{font-size:1rem;color:var(--muted);margin-top:8px}.topic-list>a>span{font-size:1.3rem}.under-experiment{margin:24px 0 0;text-align:right;font-size:.9375rem}.under-experiment a{text-decoration:none}.playground-invitation{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;margin-top:100px;padding:48px;border-radius:var(--radius);background:var(--green-soft)}.playground-invitation p:not(.eyebrow){color:var(--muted);margin-bottom:24px}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;border:1px solid var(--text);border-radius:12px;padding:11px 20px;text-decoration:none;background:var(--text);color:var(--paper);font-size:.9375rem;font-weight:550}.primary-button:hover{color:var(--paper);opacity:.9}.quiet-button{border:1px solid var(--rule);background:var(--paper);padding:10px 16px;border-radius:10px;font-size:.875rem;white-space:nowrap}.quiet-button:hover{border-color:var(--green)}.action-row{display:flex;align-items:center;gap:24px}.source-line{font-size:.875rem;color:var(--muted);margin-top:24px}.checked-date{font-size:.9375rem;color:var(--muted);margin-bottom:24px}.snapshot{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border:1px solid var(--rule);border-radius:18px}.snapshot>div{padding:24px}.snapshot>div+div{border-left:1px solid var(--rule)}.snapshot span,.snapshot strong{display:block}.snapshot span{font-size:.875rem;color:var(--muted);margin-bottom:10px}.snapshot strong{font-size:1.125rem;overflow-wrap:anywhere}.status-list article{display:grid;grid-template-columns:1fr 2fr;gap:48px;border-top:1px solid var(--rule);padding:32px 0}.status-list p{color:var(--muted);margin-bottom:12px}.status-list a{font-size:.875rem}.status-tag{display:inline-block;background:var(--soft);padding:4px 9px;border-radius:6px;font-size:.8125rem;margin-bottom:12px}.table-scroll{overflow:auto;max-width:100%;margin-block:24px;border:1px solid var(--rule);border-radius:12px}table{width:100%;border-collapse:collapse;font-size:.875rem;text-align:left}td,th{padding:14px 18px;vertical-align:top;border-bottom:1px solid var(--rule)}thead{background:var(--soft)}tr:last-child td,tr:last-child th{border-bottom:0}.table-scroll td{min-width:150px}.table-scroll th{font-weight:600}.source-list{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}.source-list a{padding:20px 0;border-bottom:1px solid var(--rule)}.history{list-style:none;padding:0;margin:0}.history li{display:grid;grid-template-columns:200px 1fr;gap:48px;border-top:1px solid var(--rule);padding:40px 0}.history li>span{font-size:.875rem;color:var(--green)}.history p{margin:24px 0;color:var(--muted)}.history a{font-size:.875rem}.book-list{margin:70px 0}.book-list article{display:grid;grid-template-columns:1fr 2fr;gap:64px;padding:60px 0;border-top:1px solid var(--rule)}.book-number{font-size:6rem;letter-spacing:-.07em;color:var(--rule);line-height:1}.book-list p:not(.eyebrow){margin:24px 0;color:var(--muted)}.site-footer{max-width:var(--width);margin:auto;padding:32px 0 48px;border-top:1px solid var(--rule);display:flex;gap:40px;justify-content:space-between;color:var(--muted);font-size:.875rem}.site-footer p{max-width:420px}.site-footer nav{display:flex;gap:24px;flex-wrap:wrap}.site-footer a{min-height:44px;display:flex;align-items:center}.search-box{display:block;max-width:760px;margin-bottom:20px}.search-box input,.lookup-line input{width:100%;border:1px solid var(--rule);border-radius:12px;padding:14px 18px;background:var(--paper);font-size:1rem}.search-box+.small{margin-bottom:36px}

/* Model workspaces */
.testnet-notice{padding:24px 28px;border:1px solid var(--rule);border-radius:16px;margin-bottom:28px;background:var(--green-soft)}.testnet-notice p{font-size:.9375rem;margin-top:8px;color:var(--muted)}.workshop{background:var(--paper);border:1px solid var(--rule);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.workshop-toolbar{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-bottom:1px solid var(--rule)}.workshop-message{padding:24px 28px;color:var(--muted)}.workshop [data-test-account]{padding:0 28px 28px}.account-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}.account-summary span,.account-summary strong{display:block}.account-summary span{font-size:.875rem;color:var(--muted)}.account-summary strong{font-size:1.25rem;letter-spacing:-.025em}.address-field{display:block;margin-bottom:20px}.address-field>span,.amount-field>span{display:block;font-size:.875rem;margin-bottom:8px}.address-field input,.amount-field input{width:100%;padding:12px 14px;border:1px solid var(--rule);border-radius:10px;background:var(--soft);font-family:ui-monospace,monospace;font-size:.875rem}.workshop .action-row{flex-wrap:wrap;gap:16px;margin-block:20px}.workshop-body{display:grid;grid-template-columns:1fr 1.25fr;border-top:1px solid var(--rule)}.workshop-body>div{padding:28px}.workshop-body h2{font-size:1.5rem;margin-bottom:24px}.review-surface{background:var(--soft);min-width:0;border-left:1px solid var(--rule)}.workshop-body form{display:flex;align-items:end;gap:12px;margin-bottom:16px}.amount-field{min-width:0}.request-picker{margin:24px 0}.workshop pre{max-height:360px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.8125rem}.record-id{font: .875rem ui-monospace,monospace;overflow-wrap:anywhere;margin:20px 0}.receipt-surface{padding:28px;border-top:1px solid var(--rule)}.receipt-surface h2{font-size:1.75rem}.receipt-surface>button{margin-top:20px}@media(max-width:760px){.account-summary,.workshop-body{grid-template-columns:1fr}.review-surface{border-left:0;border-top:1px solid var(--rule)}.workshop-toolbar{flex-wrap:wrap;gap:12px}.workshop-body form{flex-wrap:wrap}.workshop [data-test-account],.workshop-body>div,.receipt-surface{padding:20px}.workshop-message{padding:20px}}
.dag-result{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;padding:24px 32px;border-bottom:1px solid var(--rule)}.dag-result p{font-size:.9375rem;color:var(--muted);margin-top:8px}.dag-result small{display:block;margin-top:8px}.dag-result svg{width:100%;color:var(--muted)}.dag-result rect{fill:var(--soft);stroke:var(--rule)}.dag-result text{fill:var(--text);font-size:18px;font-weight:600}.future-event{color:var(--muted)}@media(max-width:760px){.dag-result{grid-template-columns:1fr;padding:20px}}
.experiment{border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow);overflow:hidden;margin:0}.experiment-label{padding:20px 28px;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;gap:20px;font-size:.875rem;color:var(--muted)}.experiment-label span:last-child{font-variant-numeric:tabular-nums}.experiment-answer{font-size:1.125rem;padding:24px 32px 0;max-width:850px;line-height:1.5}.model-note{font-size:.875rem;line-height:1.5;color:var(--muted);padding:20px 32px 26px;max-width:940px}.experiment>.detail{margin:0 32px}.experiment>.detail:last-child{margin-bottom:12px}.object-label{display:block;font-size:.875rem;font-weight:600;margin-bottom:22px}.payment-scene{display:grid;grid-template-columns:1fr 50px 1.15fr 50px 1fr;gap:12px;padding:52px 42px 56px;align-items:center}.wallet-object,.block-object,.receiver-object{text-align:center;min-width:0}.document-object,.receipt-object{background:var(--soft);border:1px solid var(--rule);padding:28px 18px;border-radius:18px;min-height:182px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;box-shadow:0 3px 0 var(--rule),0 14px 24px -20px #182c4055}.document-object strong,.receipt-object strong{font-size:1.125rem;line-height:1.25}.signature-mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--green);border-radius:50%;color:var(--green);font-weight:600}.receipt-object>span{font-size:.8125rem;color:var(--green);background:var(--green-soft);border-radius:6px;padding:3px 9px}.flow-connector{color:var(--muted);font-size:1.75rem;text-align:center;padding-top:40px}.block-stack{position:relative;padding:0 10px 8px}.back-block{position:absolute;inset:-10px 18px 20px;border:1px solid var(--rule);border-radius:18px;background:var(--soft);transform:rotate(-5deg)}.front-block{position:relative;min-height:182px;padding:20px 16px;background:var(--paper);border:1px solid var(--rule);border-radius:18px;box-shadow:0 3px 0 var(--rule),0 14px 24px -20px #182c4055;transform:rotate(3deg)}.front-block>span{display:block;font-size:.875rem;color:var(--muted);margin-bottom:18px;text-align:left}.transaction-line{font-size:.8125rem;border:1px solid var(--rule);border-radius:7px;padding:9px 6px;margin-top:8px}.transaction-line.is-selected{border-color:var(--green);background:var(--green-soft);color:var(--green)}.payment[data-stage="0"] .front-block,.payment[data-stage="0"] .back-block{opacity:.3}.payment[data-stage="0"] .receipt-object,.payment[data-stage="1"] .receipt-object{background:var(--paper);box-shadow:none}.payment[data-stage="0"] .receipt-object>span,.payment[data-stage="1"] .receipt-object>span{color:var(--muted);background:var(--soft)}.payment[data-stage="3"] .back-block{transform:rotate(-8deg) translate(-5px,-5px)}.step-control{display:flex;gap:4px;background:var(--soft);padding:5px;border:1px solid var(--rule);border-radius:13px;margin:0 32px}.step-control button{flex:1;border:0;background:transparent;padding:10px 12px;border-radius:9px;font-size:.9375rem;white-space:normal}.step-control button[aria-pressed=true]{background:var(--paper);box-shadow:0 2px 5px #00000010}.step-number{display:inline-block;margin-right:9px;color:var(--muted);font-variant-numeric:tabular-nums}.experiment-controls{display:flex;gap:16px;align-items:end;padding:26px 32px 0}.range-control{display:block;flex:1;min-width:0}.range-control>span{display:flex;justify-content:space-between;gap:16px;font-size:.9375rem}.range-control strong{font-size:.9375rem;font-variant-numeric:tabular-nums;white-space:nowrap}.range-control input[type=range]{display:block;width:100%;margin:8px 0 0;accent-color:var(--green);background:transparent}.network-scene{display:grid;grid-template-columns:1fr .8fr 1fr;gap:24px;padding:42px 32px 30px;align-items:center}.miner-view{min-width:0}.miner-desk{min-height:190px;background:var(--soft);border:1px solid var(--rule);border-radius:16px;padding:20px}.desk-label{font-size:.8125rem;color:var(--muted)}.known-blocks{display:flex;gap:10px;min-height:52px;margin:20px 0}.known-blocks>span{display:grid;place-items:center;width:44px;height:48px;border-radius:9px;background:var(--paper);border:1px solid var(--rule);box-shadow:0 3px 0 var(--rule);font-size:1.125rem;font-weight:600}.miner-desk p{font-size:.875rem;color:var(--muted);min-height:3em}.message-space{padding-top:32px}.message-track{margin-bottom:28px}.track-label{font-size:.8125rem;color:var(--muted)}.track{height:28px;position:relative;display:flex;align-items:center;margin-top:4px}.track::before{content:'';height:1px;background:var(--muted);width:100%}.track i{position:absolute;left:calc(var(--position,0)*100%);transform:translateX(-50%);font-style:normal;display:grid;place-items:center;width:30px;height:30px;border-radius:8px;border:1px solid var(--green);background:var(--green-soft);color:var(--green);font-size:.8125rem;font-weight:600}.message-space>p{font-size:.8125rem;color:var(--muted);text-align:center}.decision-band{display:grid;grid-template-columns:160px 1fr;gap:6px 24px;padding:22px 32px;background:var(--green-soft);border-block:1px solid var(--rule)}.decision-band>span{font-size:.875rem;color:var(--muted);grid-row:span 2}.decision-band strong{font-size:1.2rem}.decision-band p{font-size:1rem;color:var(--muted)}.spend-scene{display:grid;grid-template-columns:1fr 60px 1.5fr;align-items:center;padding:40px 32px;gap:28px}.unspent-object{padding:32px 24px;border:1px solid var(--rule);border-radius:16px;background:var(--soft)}.unspent-object strong{display:block;font-size:2rem;margin-bottom:14px;letter-spacing:-.04em}.unspent-object>span:last-child{font-size:.875rem;color:var(--muted)}.split-connector{font-size:2.25rem;line-height:2;color:var(--muted)}.attempts{display:grid;gap:16px}.spend-attempt{padding:22px;border:1px solid var(--rule);border-radius:14px;display:grid;grid-template-columns:1fr auto;gap:8px}.spend-attempt>span:first-child{font-size:.9375rem}.spend-attempt strong{font-size:1.125rem}.outcome{font-size:.875rem;color:var(--danger)}.spend-attempt[data-valid=true]{border-color:var(--green);background:var(--green-soft)}.spend-attempt[data-valid=true] .outcome{color:var(--green)}.mining-grid{display:grid;grid-template-columns:repeat(60,1fr);gap:4px;margin:32px}.mining-grid i{height:12px;min-width:1px;background:var(--muted);border-radius:2px}.mining-grid i[data-yours=true]{background:var(--green);outline:1px solid var(--green);outline-offset:1px}.plot-key{display:flex;gap:24px;margin:0 32px;color:var(--muted);font-size:.875rem}.plot-key span{display:flex;align-items:center;gap:8px}.plot-key i{display:inline-block;width:12px;height:12px;border-radius:2px;background:var(--muted)}.plot-key i.accent{background:var(--green)}.number-pair{display:grid;grid-template-columns:1fr 1fr;margin:28px 32px 0;border-top:1px solid var(--rule);padding-top:24px;gap:24px}.number-pair span,.number-pair strong{display:block}.number-pair span{font-size:.875rem;color:var(--muted)}.number-pair strong{font-size:2.5rem;line-height:1.3;letter-spacing:-.05em;font-variant-numeric:tabular-nums}.vault-scene{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;padding:40px 32px}.vault-balance{padding:28px;background:var(--soft);border:1px solid var(--rule);border-radius:16px}.vault-balance strong{font-size:2rem;letter-spacing:-.04em}.vault-balance p{font-size:.875rem;color:var(--muted);margin-top:14px}.vault-rules{align-self:center}.vault-rules>div{display:flex;gap:16px;padding:14px 0;font-size:.9375rem;border-bottom:1px solid var(--rule)}.vault-rules span{color:var(--danger);font-weight:600}.vault-rules [data-pass=true] span{color:var(--green)}.select-control{display:block;margin:0 32px}.select-control>span{display:block;margin-bottom:12px;font-size:.9375rem}.select-control select{width:100%;background:var(--soft);border:1px solid var(--rule);border-radius:10px;padding:12px 14px}.transaction-equation{display:flex;align-items:center;gap:28px;padding:40px 32px}.transaction-equation>div:first-child{min-width:160px}.transaction-equation span,.transaction-equation strong{display:block}.transaction-equation span{font-size:.875rem;color:var(--muted);margin-bottom:10px}.transaction-equation strong{font-size:1.5rem;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.transaction-equation>i{font-style:normal;color:var(--muted);font-size:1.75rem}.transaction-outputs{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.transaction-outputs>div{padding:20px 16px;border:1px solid var(--rule);border-radius:12px;background:var(--soft)}.transaction>.range-control{margin:0 32px}.inspector{border:1px solid var(--rule);background:var(--paper);border-radius:var(--radius);padding:32px}.inspector form>label{display:block;font-size:1rem;font-weight:550;margin-bottom:14px}.lookup-line{display:flex;gap:12px}.lookup-line+ p{margin-top:16px}.inspector [role=status]{margin-top:16px;color:var(--muted);font-size:.9375rem}.inspector pre{overflow:auto;max-height:320px;padding:20px;background:var(--soft);border-radius:12px;font-size:.8125rem}.record-header{padding-top:28px;overflow-wrap:anywhere}.record-header strong{display:block;font-size:.9375rem;font-family:ui-monospace,monospace}.record-fields{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:24px 0}.record-fields dt{color:var(--muted);font-size:.875rem}.record-fields dd{margin:6px 0 0;overflow-wrap:anywhere}.record-output{padding:18px 0;border-top:1px solid var(--rule);overflow-wrap:anywhere}.record-output span{display:block;color:var(--muted);font-size:.8125rem;font-family:ui-monospace,monospace}.playground{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:start}.playground-nav{display:flex;flex-direction:column;gap:6px;position:sticky;top:24px}.playground-nav button{text-align:left;background:transparent;border:0;padding:12px 14px;border-radius:10px;font-size:.9375rem}.playground-nav button[aria-pressed=true]{background:var(--green-soft);color:var(--green)}.playground-main{min-width:0}.playground .network-scene{gap:16px}.playground .experiment-controls{flex-wrap:wrap}.playground .experiment-controls .range-control{flex-basis:100%}.playground .transaction-equation{flex-wrap:wrap}.playground .transaction-outputs{min-width:100%}

@media(max-width:1280px){.header-inner,.main,.site-footer{margin-inline:40px}.main-nav{gap:18px}.header-inner{gap:24px}}
@media(max-width:1000px){.header-inner{gap:16px}.header-tools a{display:none}.main-nav{gap:16px}.main{padding-top:48px}.payment-scene{padding:40px 26px;gap:8px;grid-template-columns:1fr 30px 1.1fr 30px 1fr}.document-object,.receipt-object{padding:22px 12px}.network-scene{grid-template-columns:1fr .6fr 1fr;gap:18px}.miner-desk{padding:16px}.known-blocks{gap:6px}.known-blocks>span{width:36px}.transaction-equation{flex-wrap:wrap}.transaction-outputs{min-width:100%}.playground{grid-template-columns:1fr}.playground-nav{position:static;flex-direction:row;flex-wrap:wrap}.playground .network-scene{gap:24px}.snapshot{grid-template-columns:1fr 1fr}.snapshot>div:nth-child(3){border-left:0}.snapshot>div:nth-child(n+3){border-top:1px solid var(--rule)}}
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@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.contract-body{display:grid;grid-template-columns:minmax(0,1fr) 320px}.contract-body>div,.contract-controls{padding:28px}.contract-controls{background:var(--soft);border-left:1px solid var(--rule)}.contract-controls>.primary-button{width:100%}.contract-controls .select-control{margin:24px 0}.contract-buttons{display:grid;gap:12px;margin-top:24px}.contract-paths{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center}.contract-paths article{padding:28px 20px;border:1px solid var(--rule);border-radius:18px;background:var(--soft)}.contract-paths span{font-size:.875rem;color:var(--muted)}.contract-paths strong{display:block;font-size:1.75rem;letter-spacing:-.035em;margin:12px 0}.contract-paths p{font-size:.875rem;color:var(--muted)}.contract-result{padding-top:32px;margin-top:32px;border-top:1px solid var(--rule)}.source-code{font:.875rem/1.8 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.contract-controls pre{font-size:.75rem}.contract-result button{margin-top:20px}@media(max-width:850px){.contract-body{grid-template-columns:1fr}.contract-controls{border-left:0;border-top:1px solid var(--rule)}.contract-body>div,.contract-controls{padding:20px}}@media(max-width:420px){.contract-paths{gap:10px}.contract-paths article{padding:18px 12px}.contract-paths strong{font-size:1.5rem}}
/* The network is one scene with linked inspection, not a stack of diagrams. */
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.money-body{display:grid;grid-template-columns:minmax(0,1fr) 300px}.money-stage{padding:36px}.money-stage h2{font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:-.035em}.money-controls{padding:28px;background:var(--soft);border-left:1px solid var(--rule)}.money-controls>p{font-size:.875rem;color:var(--muted)}.money-flow{display:flex;align-items:center;gap:24px;margin:40px 0}.money-flow article{flex:1;min-width:0}.money-flow article>span{display:block;font-size:.875rem;color:var(--muted)}.money-flow strong{display:block;font-size:clamp(1.7rem,3vw,2.7rem);letter-spacing:-.04em;margin:12px 0}.money-flow p{font-size:.875rem;color:var(--muted)}.money-arrow{font-size:1.7rem;color:var(--muted)}.reserve-strip{display:flex;height:16px;background:var(--soft);border-radius:8px;overflow:hidden;margin:24px 0}.reserve-strip span:first-child{background:var(--green)}.reserve-strip span:last-child{background:#a6b8c7}.money-verdict{font-size:1.15rem;font-weight:600}.money-workspace>.workshop-toolbar .scene-tabs{margin:0;flex-wrap:wrap}.money-workspace .detail{margin:0 28px 24px}.money-controls .record-fields{margin:30px 0}@media(max-width:850px){.money-body{grid-template-columns:1fr}.money-controls{border-left:0;border-top:1px solid var(--rule)}.money-stage{padding:24px}.money-flow{gap:14px}.money-workspace .workshop-toolbar{padding:16px}.money-workspace .scene-tabs button{padding:8px}.money-flow strong{font-size:1.7rem}}
@media print{.site-header,.site-footer,.experiment-controls,.step-control,.playground-nav{display:none}.main{margin:0;padding:0}.experiment{box-shadow:none;break-inside:avoid}.chapter{padding-top:32px}.detail-body{display:block}.page-intro{margin-bottom:28px}}
/* Direct comparisons share one stage and keep the same discovery times. */
.network-presets{display:flex;gap:10px;padding:20px 28px 0}.network-presets button{flex:1;text-align:left;padding:12px 16px;border:1px solid transparent;border-radius:14px;background:var(--soft);font-size:.9375rem}.network-presets button span{display:block;font-size:.8125rem;color:var(--muted);margin-top:3px}.network-presets button[aria-pressed=true]{background:var(--green-soft);border-color:var(--green)}
@media(max-width:760px){.network-presets{padding:16px 20px 0;gap:8px}.network-presets button{padding:10px 12px;font-size:.875rem}}

/* The front door presents the object before its inspection tools. */
.home-introduction{text-align:center;margin:12px auto 48px;max-width:780px}.home-introduction h1{font-size:clamp(3.5rem,8vw,7rem);letter-spacing:-.065em}.home-introduction>p:not(.eyebrow){font-size:clamp(1.1rem,2vw,1.5rem);line-height:1.5;color:var(--muted);margin:24px auto}.home-introduction>a{display:inline-flex;align-items:center;gap:12px;min-height:44px;text-decoration:none;color:var(--green);font-weight:550}.home-demonstration{scroll-margin-top:24px}.network-intro{border:0;box-shadow:none;background:var(--paper);border-radius:32px;overflow:hidden}.network-intro .network-workbench{display:block}.network-intro .network-stage{background:var(--paper)}.network-intro .experiment-label{border:0;padding:26px 36px 0}.network-intro .scene-tabs{align-self:center;margin:24px 24px 0;border:0}.network-intro .network-presets{width:min(560px,100%);margin:auto;padding:20px 24px 0}.network-intro .dag-result{min-height:390px;padding:32px 7%;gap:24px}.network-intro .dag-result svg{max-height:240px;width:100%}.network-intro .dag-result>div{max-width:640px;align-self:center;text-align:center}.network-intro .dag-result strong{font-size:clamp(1.4rem,2.4vw,2rem);letter-spacing:-.035em}.network-intro .dag-result p{font-size:1.05rem}.network-intro .network-stage>.experiment-controls{justify-content:center;padding:0 24px 24px}.network-intro .timeline-disclosure,.network-intro .network-advanced{border-top:1px solid var(--rule);margin:0 36px}.network-intro summary{cursor:pointer;padding:16px 0;font-size:.9375rem;color:var(--muted)}.network-intro .timeline-control{border:0;padding:12px 0 24px}.network-intro .network-inspector{border:0;border-radius:18px;padding:24px;margin-bottom:24px;display:grid;grid-template-columns:1fr 1fr;gap:16px 40px}.network-intro .network-inspector .decision-band{grid-column:2;grid-row:1 / span 3;margin:0;padding:0;border:0}.network-intro .block-inspection{grid-column:1 / -1;margin-top:0}.network-intro>figcaption{border:0}.network-intro .model-note{max-width:860px;margin:auto;text-align:center;font-size:.8125rem}.network-intro>.detail{margin-inline:36px}.home-payment{margin-top:120px}.home-feature-heading{max-width:700px;margin:0 auto 40px;text-align:center}.home-feature-heading h2{font-size:clamp(2.5rem,5vw,4.5rem)}.home-feature-heading>p:last-child{margin-top:24px;color:var(--muted);font-size:1.2rem}.home-payment .payment{box-shadow:none;border:0;border-radius:32px}.home-feature-link{display:block;margin-top:24px;text-align:center;text-decoration:none;color:var(--green)}
@media(max-width:760px){.home-introduction{margin-top:0;margin-bottom:32px}.home-introduction .eyebrow{margin-bottom:12px}.home-introduction>p:not(.eyebrow){margin:18px auto}.network-intro .experiment-label{padding:20px 20px 0;font-size:.8125rem}.network-intro .dag-result{min-height:300px;padding:24px 20px}.network-intro .dag-result p{font-size:.9375rem}.network-intro .network-inspector{display:block;padding:20px}.network-intro .network-inspector .decision-band{margin-top:22px}.network-intro .timeline-disclosure,.network-intro .network-advanced,.network-intro>.detail{margin-inline:20px}.home-payment{margin-top:80px}.home-feature-heading>p:last-child{font-size:1.1rem}}
.main:has(.home-introduction){padding-top:32px}.home-introduction{margin:0 auto 28px}.home-introduction h1{font-size:clamp(3rem,6vw,5rem)}.home-introduction .eyebrow{margin-bottom:8px}.home-introduction>p:not(.eyebrow){font-size:clamp(1.1rem,1.7vw,1.3rem);margin:14px auto}.home-introduction>a{font-size:.9375rem}.network-intro .dag-result,.network-intro .network-scene{order:0}.network-intro .network-presets{order:1;padding-top:0}.network-intro .scene-tabs{order:2;margin-top:16px}.network-intro .network-stage>.experiment-controls{order:3;padding-top:16px}.network-intro .timeline-disclosure{order:4}.network-intro .dag-result{min-height:310px;padding-top:20px;padding-bottom:20px}.network-intro .dag-result svg{max-height:190px}
.network-stage>.block-inspection{order:0;margin:0 28px 24px;padding:16px 20px;border:0;border-radius:14px;background:var(--green-soft)}
@media(max-width:380px){.money-flow{flex-wrap:wrap}.money-flow article{flex-basis:42%}.money-flow strong{font-size:1.5rem}}
.money-intro{margin-bottom:20px}.money-boundary{padding:0 0 24px}.money-intro .lead{margin-top:18px}
@media(max-width:600px){[data-money-panel=outcome] .money-flow{display:grid;grid-template-columns:1fr;gap:0;margin:24px 0}[data-money-panel=outcome] .money-flow article{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--rule)}[data-money-panel=outcome] .money-flow strong{flex-shrink:0;margin:0;font-size:1.75rem}[data-money-panel=outcome] .money-flow article>span{max-width:12ch}.money-intro h1{font-size:clamp(2.3rem,9vw,3rem)}}
.network-stage{container-type:inline-size}.network .dag-result .network-drawing{width:100%;max-height:none;min-height:0;overflow:visible}.network .drawing-small{display:none}.network .block-reference{fill:none;stroke:var(--muted);stroke-width:1.6}.network .dag-result .diagram-block rect{filter:none;cursor:pointer}.network .diagram-block .block-depth{fill:var(--rule);stroke:none}.network .diagram-block .block-face{fill:var(--paper);stroke:var(--rule);stroke-width:1.5}.network .diagram-block[aria-pressed=true] .block-face,.network .diagram-block:hover .block-face{fill:var(--green-soft);stroke:var(--green)}.network .dag-result .block-name{font-size:18px;font-weight:650}.network .dag-result .block-relation{font-size:14px;font-weight:400;fill:var(--muted)}.network .dag-result .block-owner{font-size:13px;font-weight:500;fill:var(--muted)}.network .dag-result .drawing-small .block-name{font-size:21px}.network .dag-result .drawing-small .block-relation,.network .dag-result .drawing-small .block-owner{font-size:18px}.network .diagram-block:focus-visible{outline:none}.network .diagram-block:focus-visible .block-face{stroke:var(--green);stroke-width:3}.network .dag-result{gap:16px}.network-intro .dag-result{padding:24px 5%}.network .diagram-caption small{font-size:.8125rem}
@container(max-width:479px){.network .drawing-wide{display:none}.network .drawing-small{display:block}.network .dag-result{padding:20px 16px}.network .dag-result .drawing-small{max-height:380px}.network .diagram-caption{width:100%}}
.page-contents{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;padding:18px 0;margin:-20px 0 36px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);font-size:.875rem}.page-contents>span{color:var(--muted)}.page-contents a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;color:var(--green);max-width:30ch}.page-contents a:hover{text-decoration:underline}@media(max-width:760px){.page-contents{gap:6px 20px;margin-top:0}.page-contents>span{flex-basis:100%}.page-contents a{max-width:none}}

/* Keep the initial explanation and its controls in one desktop view. */
@media(min-width:1000px){.network-intro .dag-result{display:grid;grid-template-columns:minmax(240px,.85fr) minmax(0,1.4fr);min-height:270px;gap:28px;padding:20px 36px}.network-intro .dag-result>div{text-align:left}.network-intro .dag-result .network-drawing{max-height:270px}.network-intro .dag-result strong{font-size:1.65rem}.network-intro .dag-result p{font-size:1rem}.network-intro .diagram-caption small{display:block;margin-top:12px}}

/* Interior pages use a compact opening and a composition suited to the subject. */
.site-header{position:sticky;top:0;z-index:15;background:var(--paper)}
.main{padding-top:44px}.page-intro{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:18px 64px;align-items:end;margin-bottom:36px}.page-intro>.eyebrow{grid-column:1/-1;margin:0}.page-intro h1{font-size:clamp(2.6rem,4.6vw,4rem);max-width:16ch}.page-intro .lead{font-size:1.125rem;line-height:1.65;margin:0;max-width:48ch;padding-bottom:3px}.page-contents{margin:0 0 28px;padding:8px 0;gap:4px 24px}.chapter{padding-top:76px;scroll-margin-top:110px}.page-contents+.chapter,.page-intro+.chapter,.page-intro+.action-row+.chapter{padding-top:16px}.section-title{gap:56px;margin-bottom:28px}.section-title h2{font-size:clamp(1.9rem,3.2vw,2.65rem);max-width:22ch}.section-title>p{font-size:1.0625rem;line-height:1.65}.experiment{box-shadow:0 4px 14px #142c2805;border-color:var(--rule)}.experiment-label{font-size:.8125rem}.experiment-answer{max-width:none}.reading-rows article{gap:48px;padding:26px 0}.reading-rows h3{letter-spacing:-.025em}.source-line{line-height:1.8}.main:has(.intro-current-evidence) .snapshot{margin-top:8px}.main:has(.intro-current-evidence) .status-list article{grid-template-columns:220px 1fr}.main:has(.intro-current-evidence) .status-tag{border:1px solid var(--rule);background:var(--paper)}.main:has(.intro-current-evidence) .status-list article:first-child,.main:has(.intro-current-evidence) .status-list article:nth-child(2){background:linear-gradient(90deg,var(--green-soft),transparent);padding-inline:24px}.main:has(.intro-sources) .source-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px}.source-list a{font-size:1rem}.intro-playground,.intro-find-a-topic{margin-bottom:28px}.intro-playground h1,.intro-find-a-topic h1{font-size:clamp(2.5rem,4vw,3.4rem)}.playground{gap:28px}.playground-nav{align-self:start;position:sticky;top:110px}.playground-nav button{text-align:left;border-radius:12px}.playground-main{min-width:0}.history{position:relative}.history li{grid-template-columns:170px 1fr;gap:64px;padding:48px 0}.history li>span{font-size:1rem}.history li h2{max-width:20ch}.history li:nth-child(even)>div{padding-left:12%;}.history p{max-width:58ch;margin:18px 0}.book-list{margin-top:44px}.book-list article{padding-block:40px}.book-number{font-size:5rem}.action-row{flex-wrap:wrap}.table-scroll{background:var(--paper)}

/* One action, with the changed object and its explanation in the same stage. */
.lesson,.comparison{border-radius:26px;background:var(--paper);border:1px solid var(--rule);overflow:hidden}.lesson-steps{display:flex;gap:6px;padding:12px 20px;border-bottom:1px solid var(--rule);flex-wrap:wrap}.lesson-steps button{border:0;border-radius:10px;background:transparent;padding:10px 18px;font-size:.9375rem;color:var(--muted)}.lesson-steps button[aria-pressed=true]{background:var(--green-soft);color:var(--green)}.lesson-steps button>span{display:inline-flex;width:23px;height:23px;align-items:center;justify-content:center;border-radius:50%;background:var(--soft);margin-right:8px;font-size:.75rem}.lesson-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center;padding:44px 56px;min-height:445px}.lesson-copy h3{font-size:clamp(1.7rem,3vw,2.5rem);max-width:17ch}.lesson-copy>p:not(.eyebrow){color:var(--muted);margin:22px 0 28px;max-width:42ch}.lesson-copy .eyebrow{margin-bottom:16px}.lesson-wallet{border:1px solid var(--rule);border-radius:24px;padding:28px;background:linear-gradient(145deg,var(--paper),var(--soft));box-shadow:0 14px 24px -18px #142c2840;max-width:380px;width:100%;justify-self:center}.lesson-wallet>.object-label{display:block;text-align:center}.address-symbol{width:52px;height:52px;display:flex;align-items:center;justify-content:center;margin:22px auto 14px;border-radius:16px;background:var(--green-soft);color:var(--green);font-size:1.8rem}.lesson-wallet h3{text-align:center;font-size:1.65rem}.example-address{text-align:center;font-size:.8125rem;color:var(--muted);padding:14px 0 22px}.receipt-line{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-top:1px solid var(--rule);font-size:.8125rem}.receipt-line>span{color:var(--muted)}.receipt-line strong{text-align:right;max-width:17ch}.lesson-note{padding:16px 28px;border-top:1px solid var(--rule);font-size:.8125rem;color:var(--muted);max-width:none}.comparison-panel{display:grid;grid-template-columns:.8fr 1fr 1fr;align-items:center;gap:40px;padding:36px;min-height:290px}.comparison-panel h3{font-size:1.6rem;max-width:20ch}.comparison-panel>div:last-child{border-left:1px solid var(--rule);padding-left:32px;color:var(--muted)}.comparison-panel .eyebrow{font-size:.8125rem;margin-bottom:14px}.comparison-object{display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:center;min-height:175px}.comparison-object>span{font-size:.8125rem;color:var(--muted)}.comparison-blocks{text-align:center}.comparison-blocks i,.comparison-work i{display:inline-flex;justify-content:center;align-items:center;width:55px;height:45px;border:1px solid var(--green);border-radius:10px;background:var(--green-soft);color:var(--green);font-style:normal;box-shadow:0 4px 0 var(--rule)}.comparison-blocks>span{display:block;color:var(--muted);line-height:1.3}.comparison-blocks>div{display:flex;gap:30px}.comparison-pulses{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.comparison-pulses i{display:block;width:22px;height:34px;background:var(--green-soft);border:1px solid var(--green);border-radius:5px}.comparison-node{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:.8125rem}.comparison-node strong{padding:15px 28px;border:1px solid var(--green);border-radius:12px;color:var(--green);background:var(--green-soft);font-size:1.2rem}.comparison-work{display:flex;align-items:center;gap:8px}.comparison-work i{width:65px;font-size:.875rem}.evidence-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:28px 0}.evidence-steps article{padding:26px 0;border-top:2px solid var(--rule)}.evidence-steps article>span{display:block;font-size:.875rem;color:var(--green);margin-bottom:20px}.evidence-steps h3{font-size:1.3rem;margin-bottom:12px}.evidence-steps p{color:var(--muted);font-size:.9375rem}

/* First look: the mechanism and its controls fit together. */
.home-introduction{display:grid;grid-template-columns:1.2fr 1fr;gap:12px 48px;max-width:none;text-align:left;align-items:center;margin:0 0 28px}.home-introduction .eyebrow{grid-column:1/-1;margin:0}.home-introduction h1{font-size:clamp(3.2rem,5.8vw,5rem)}.home-introduction>p:not(.eyebrow){margin:0;font-size:1.2rem;max-width:40ch}.home-introduction>a{grid-column:2;justify-self:start;min-height:38px}.main:has(.home-introduction){padding-top:28px}.network-intro .network-presets{padding-top:0}.network-intro .dag-result .block-owner{font-size:17px}.network-intro .dag-result .block-relation{font-size:17px}.network-intro .scene-tabs{margin-top:10px}.network-intro .network-stage>.experiment-controls{padding-block:10px 16px}.network-intro .timeline-disclosure{display:none}.network-intro .network-advanced .network-inspector{margin-top:8px}.network .drawing-small .block-owner{font-size:18px}.network .diagram-caption p{margin-top:12px}.network .diagram-caption small{display:block;margin-top:10px}.network .dag-result .network-drawing{overflow:visible}.network-stage>.block-inspection{order:4}.home-feature-heading{max-width:840px}.home-feature-heading h2{font-size:clamp(2.5rem,4.5vw,4rem)}

@media(min-width:1000px){.network-intro .dag-result{min-height:230px;padding-block:16px;grid-template-columns:minmax(240px,.8fr) minmax(0,1.3fr)}.network-intro .dag-result .network-drawing{max-height:230px}.network-intro .network-presets{width:520px}.network-intro .diagram-caption strong{font-size:1.55rem}.network-intro .diagram-caption p{font-size:.9375rem}.network-intro>.detail,.network-intro .network-advanced{margin-inline:36px}.home-payment{margin-top:90px}}
@media(max-width:999px){.page-intro{gap:16px 32px}.comparison-panel{gap:24px;padding:28px}.comparison-panel>div:last-child{padding-left:20px}.lesson-panel{gap:32px;padding:32px}.home-introduction{gap:12px 28px}.home-introduction>p:not(.eyebrow){font-size:1.0625rem}.main:has(.intro-sources) .source-list{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.site-header{height:72px}.main{padding-top:30px}.page-intro{grid-template-columns:1fr;gap:16px;margin-bottom:26px}.page-intro h1{font-size:clamp(2.4rem,8.5vw,3.4rem);max-width:20ch}.page-intro .lead{font-size:1.0625rem;line-height:1.55;max-width:50ch}.page-intro>.eyebrow{font-size:.8125rem}.page-contents{gap:0 20px;padding:8px 0;margin-bottom:22px}.page-contents>span{font-size:.75rem}.page-contents a{font-size:.8125rem;min-height:40px}.chapter{padding-top:56px;scroll-margin-top:92px}.section-title{gap:18px;margin-bottom:24px}.section-title h2{font-size:2rem;max-width:22ch}.section-title>p{font-size:1rem}.page-contents+.chapter,.page-intro+.chapter,.page-intro+.action-row+.chapter{padding-top:4px}.reading-rows article{gap:12px;padding:24px 0}.lesson-steps{padding:10px;gap:4px}.lesson-steps button{padding:8px 10px;font-size:.875rem}.lesson-panel{grid-template-columns:1fr;gap:24px;padding:26px 22px;min-height:0}.lesson-copy h3{font-size:1.85rem;max-width:20ch}.lesson-copy>p:not(.eyebrow){margin:16px 0 20px}.lesson-wallet{max-width:360px;padding:22px}.lesson-note{padding:16px 22px}.comparison-panel{grid-template-columns:1fr 1fr;gap:24px;padding:26px 22px;min-height:0}.comparison-object{grid-column:1/-1;min-height:130px}.comparison-panel h3{font-size:1.25rem}.comparison-panel>div:last-child{font-size:.9375rem;padding-left:18px}.comparison-panel .eyebrow{font-size:.75rem}.evidence-steps{grid-template-columns:1fr;gap:0;margin:12px 0}.evidence-steps article{display:grid;grid-template-columns:35px 1fr;gap:8px 14px;padding:22px 0}.evidence-steps article>span{grid-row:1/3;margin:3px 0}.evidence-steps p{grid-column:2}.evidence-steps h3{margin:0}.home-introduction{display:block;text-align:left;margin-bottom:22px}.home-introduction h1{font-size:3.2rem;margin:10px 0}.home-introduction>p:not(.eyebrow){font-size:1.0625rem;margin:12px 0}.home-introduction>a{font-size:.875rem}.network-intro .dag-result{padding:16px}.network-intro .dag-result .drawing-small{max-height:300px}.network-intro .diagram-caption strong{font-size:1.4rem}.network-intro .network-presets{padding-inline:16px}.network-intro .network-stage>.experiment-controls{padding-top:10px}.playground-nav{position:static}.main:has(.intro-current-evidence) .status-list article{grid-template-columns:1fr}.main:has(.intro-current-evidence) .status-list article:first-child,.main:has(.intro-current-evidence) .status-list article:nth-child(2){padding-inline:18px}.history li{grid-template-columns:1fr;gap:16px;padding:30px 0}.history li:nth-child(even)>div{padding-left:0}.history li h2{font-size:2rem}.main:has(.intro-sources) .source-list{grid-template-columns:1fr}.book-list article{padding-block:30px}.home-payment{margin-top:64px}}
@media(max-width:380px){.comparison-panel{grid-template-columns:1fr}.comparison-panel>div:last-child{border-left:0;border-top:1px solid var(--rule);padding:20px 0 0}.home-introduction h1{font-size:2.8rem}.receipt-line{font-size:.75rem}.lesson-steps button>span{margin-right:5px;width:20px;height:20px}}
/* The workbench keeps the field and its readout together, as in the sample explorer. */
.network-intro .timeline-disclosure{display:block}.network .block-top{fill:var(--soft);stroke:var(--rule);stroke-width:1}.network .diagram-block .block-depth{fill:color-mix(in srgb,var(--muted) 22%,var(--paper))}.network .diagram-block .block-face{stroke:color-mix(in srgb,var(--muted) 32%,var(--paper));stroke-width:1.3}.network .diagram-block[aria-pressed=true] .block-depth{fill:color-mix(in srgb,var(--green) 55%,var(--paper))}.network .diagram-block[aria-pressed=true] .block-top{fill:var(--green-soft);stroke:var(--green)}.network .block-reference{stroke-width:2}.mining-body{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,1fr)}.mining-field{padding:32px;min-width:0;background:linear-gradient(145deg,var(--paper),var(--soft))}.mining-field .mining-grid{grid-template-columns:repeat(30,1fr);gap:4px;margin:0 0 28px}.mining-field .mining-grid i{height:11px;border-radius:2px;background:color-mix(in srgb,var(--muted) 55%,var(--paper));box-shadow:1px 2px 0 color-mix(in srgb,var(--muted) 75%,var(--paper))}.mining-field .mining-grid i[data-yours=true]{background:var(--green);box-shadow:1px 2px 0 color-mix(in srgb,var(--green) 70%,var(--text));outline:2px solid var(--green-soft);outline-offset:1px}.mining-field .plot-key{margin:0;font-size:.875rem;gap:20px}.mining-settings{padding:32px;border-left:1px solid var(--rule)}.mining-settings .number-pair{margin:0;gap:16px;padding-bottom:26px}.mining-settings .number-pair strong{font-size:2.5rem}.mining-settings .number-pair span{font-size:.8125rem}.mining-settings .experiment-controls{padding:0;display:flex;flex-wrap:wrap;margin-top:24px;gap:10px}.mining-settings .range-control{flex-basis:100%;margin-bottom:12px}.unspent-object,.vault-balance{position:relative;box-shadow:7px 9px 0 color-mix(in srgb,var(--rule) 70%,var(--paper)),0 15px 25px -18px #102d2640;border:1px solid var(--rule);background:linear-gradient(135deg,var(--paper),var(--soft))}.spend-attempt{border-radius:16px;box-shadow:0 5px 0 var(--rule)}.spend-attempt[data-valid=true]{box-shadow:0 5px 0 color-mix(in srgb,var(--green) 35%,var(--paper))}.vault-rules>div{padding-block:16px;border-bottom:1px solid var(--rule)}.vault-rules>div:last-child{border-bottom:0}.transaction-outputs>div:first-child{background:var(--green-soft);border-color:color-mix(in srgb,var(--green) 30%,var(--paper))}.transaction-outputs>div{box-shadow:0 5px 0 var(--rule)}.reserve-legend{display:flex;justify-content:space-between;font-size:.8125rem;color:var(--muted);margin-top:30px}.reserve-strip{height:44px;margin-top:10px;border:1px solid var(--rule);border-radius:8px;box-shadow:0 5px 0 var(--rule)}.reserve-strip span{transition:width .18s ease}.collateral-scale{margin:36px 0}.collateral-track{position:relative;height:24px;border-radius:12px;background:linear-gradient(90deg,color-mix(in srgb,var(--danger) 20%,var(--paper)) 33.333%,var(--green-soft) 33.333%);border:1px solid var(--rule)}.collateral-track>i{position:absolute;left:50%;width:8px;top:-6px;bottom:-6px;border-radius:5px;background:var(--text);transform:translateX(-50%)}.health-threshold{position:absolute;left:33.333%;height:100%;border-left:2px dashed var(--muted)}.collateral-scale-labels{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;font-size:.75rem;color:var(--muted);margin-top:14px}.collateral-scale-labels>span:last-child{text-align:right}.claim-pool{max-width:330px;margin:28px auto 0;text-align:center}.claim-pool>span{font-size:.8125rem;color:var(--muted)}.claim-pool>strong{display:block;width:140px;margin:10px auto 0;padding:16px;border:1px solid var(--rule);border-radius:12px;background:var(--soft);font-size:2rem;box-shadow:0 5px 0 var(--rule)}.pool-branches{display:flex;justify-content:space-between;padding-top:32px;position:relative}.pool-branches::before{content:'';position:absolute;top:0;height:28px;left:25%;right:25%;border:1px solid var(--rule);border-top:0}.pool-branches i{font-style:normal;font-size:.8125rem;padding:9px 18px;border-radius:10px;background:var(--soft)}[data-resolution=yes] .pool-branches i:first-child,[data-resolution=no] .pool-branches i:last-child{color:var(--green);background:var(--green-soft);outline:1px solid var(--green)}[data-money-panel=outcome] .money-flow{margin-block:28px}.money-stage{background:linear-gradient(145deg,var(--paper) 65%,var(--soft))}.money-controls .record-fields{grid-template-columns:1fr}.money-flow strong{font-variant-numeric:tabular-nums}
@media(max-width:999px){.mining-body{grid-template-columns:minmax(0,1.3fr) minmax(220px,1fr)}.mining-field,.mining-settings{padding:24px}.mining-field .mining-grid{gap:3px}.mining-field .mining-grid i{height:10px}}
@media(max-width:760px){.mining-body{grid-template-columns:1fr}.mining-settings{border-left:0;border-top:1px solid var(--rule)}.mining-field{padding:24px 20px}.mining-field .mining-grid{gap:3px}.mining-field .mining-grid i{height:9px}.mining-settings .number-pair{padding-bottom:18px}.mining-settings .experiment-controls{margin-top:18px}.mining-settings .number-pair strong{font-size:2.25rem}.money-stage{padding:26px 22px}.money-flow strong{font-size:1.6rem}.claim-pool{max-width:290px}.collateral-scale-labels{font-size:.75rem}}
@media(prefers-reduced-motion:reduce){.reserve-strip span{transition:none}}
@media(min-width:1000px){.network-intro .network-stage{display:grid;grid-template-columns:1.3fr 1fr auto;align-items:center}.network-intro .dag-result,.network-intro .block-inspection,.network-intro .timeline-disclosure{grid-column:1/-1}.network-intro .network-presets{width:auto;padding:0;margin:0 18px 20px 36px;gap:8px}.network-intro .network-presets button{font-size:.8125rem;padding:10px 12px}.network-intro .scene-tabs{margin:0 12px 20px 0;justify-self:center;align-self:center;white-space:nowrap}.network-intro .scene-tabs button{font-size:.8125rem;padding:8px}.network-intro .network-stage>.experiment-controls{padding:0;margin:0 36px 20px 0;gap:8px}.network-intro .experiment-controls button{font-size:.8125rem;padding:8px 10px}.network-intro .timeline-disclosure{margin-inline:36px}.network-intro .dag-result .block-owner,.network-intro .dag-result .block-relation{font-size:18px}}
.home-demonstration{scroll-margin-top:100px}
@media(min-width:1000px){.network-intro .network-scene{grid-column:1/-1;min-height:230px;padding:22px 36px}.network-intro .network-scene .miner-desk{min-height:170px}}
@media(max-width:760px){.network-intro .dag-result .drawing-small .block-owner,.network-intro .dag-result .drawing-small .block-relation{font-size:19px}.page-contents a{min-height:44px}}
button{min-width:44px}

/* Use the compact geometry only where the full graph cannot carry readable labels. */
.network .dag-result .block-name{font-size:20px}.network .dag-result .block-owner,.network .dag-result .block-relation{font-size:18px}.network .dag-result .drawing-small,.network-intro .dag-result .drawing-small{max-height:none;height:auto}.network .dag-result .drawing-wide{height:auto}.network-intro .dag-result .drawing-small .block-name{font-size:21px}
.network-playback{display:flex;gap:8px;flex-shrink:0}.network-playback button{font-size:.8125rem;padding:8px 11px}.network-intro .experiment-label{align-items:center;gap:16px;padding-bottom:0}.network-intro .experiment-label>span:first-child{max-width:17ch;line-height:1.5}.network-intro .network-playback [data-network-replay]{min-width:118px}
@media(min-width:1000px){.network-intro .network-stage{grid-template-columns:1fr 1fr}.network-intro .dag-result,.network-intro .network-scene,.network-intro .block-inspection,.network-intro .timeline-disclosure{grid-column:1/-1}.network-intro .scene-tabs{justify-self:end;margin-right:36px}.network-intro .network-presets{max-width:500px;margin-right:12px}}
@media(min-width:480px) and (max-width:999px){.home-introduction{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;text-align:left}.home-introduction .eyebrow{grid-column:1/-1}.home-introduction h1{font-size:3.2rem;margin:0}.home-introduction>p:not(.eyebrow){margin:0}.home-introduction>a{grid-column:2;margin:0;min-height:38px}.network-intro .dag-result{padding-block:12px}.network-intro .diagram-caption strong{font-size:1.4rem}}
@media(max-width:420px){.network-intro .experiment-label{flex-wrap:wrap;gap:8px;padding:18px 16px 0}.network-intro .experiment-label>span:first-child{max-width:none;flex-basis:100%}.network-playback{width:100%}.network-playback button{flex:1}.network-intro .network-playback [data-network-replay]{min-width:0}}
@media(max-width:760px){.lesson-wallet{padding:18px}.lesson-wallet .address-symbol{width:38px;height:38px;font-size:1.4rem;margin:12px auto 10px}.lesson-wallet h3{font-size:1.4rem}.lesson-wallet .example-address{padding:9px 0 14px}.lesson-wallet .receipt-line{padding:9px 0}.lesson-wallet>.object-label{font-size:.75rem;margin-bottom:0}}
@media(min-width:600px) and (max-width:760px){.lesson-panel{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;padding:26px 22px}.lesson-copy h3{font-size:1.6rem}.lesson-copy>p:not(.eyebrow){font-size:.9375rem;line-height:1.6}.lesson-wallet{padding:16px}.receipt-line{gap:10px;font-size:.75rem}}
@media(max-width:599px){.lesson-wallet{grid-row:1}.lesson-copy{grid-row:2}.lesson-panel{gap:22px}.lesson-copy .eyebrow{margin-bottom:10px}.lesson-copy>p:not(.eyebrow){font-size:1rem;margin:14px 0 18px}.lesson-copy h3{font-size:1.7rem}}
@media(max-width:900px){.network-workbench,.playground .network-workbench{grid-template-columns:1fr}.network-inspector{border-left:0;border-top:1px solid var(--rule)}}
@media(max-width:600px){.money-arrow{display:none}.money-flow{display:grid;grid-template-columns:1fr;gap:24px}}

.table-hint{display:none}@media(max-width:800px){.table-hint{display:flex;justify-content:space-between;gap:16px;margin-bottom:12px;color:var(--muted);font-size:.875rem}.table-hint span{font-size:1.25rem;color:var(--green)}}

/* Guided examples put one meaningful action before optional inspection controls. */
.model-walkthrough{padding:24px 28px;border-bottom:1px solid var(--rule);background:var(--green-soft);display:flex;align-items:center;justify-content:space-between;gap:24px;border-radius:inherit;border-bottom-left-radius:0;border-bottom-right-radius:0}.model-walkthrough>div:first-child{max-width:700px;min-width:0}.model-walkthrough h3{font-size:1.25rem;margin:6px 0 10px;letter-spacing:-.025em}.model-walkthrough p:last-child{font-size:.9375rem;line-height:1.6}.walkthrough-actions{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.walkthrough-actions button{min-height:44px}.walkthrough-actions button:disabled{opacity:.65;cursor:default}.reading-next{margin-top:48px;padding-top:28px;border-top:1px solid var(--rule)}.reading-next p{color:var(--muted);margin-bottom:12px}.reading-next a{font-size:1.125rem;font-weight:600;display:inline-flex;min-height:44px;align-items:center}.page-intro .lead{max-width:760px}@media(max-width:700px){.model-walkthrough{padding:20px;display:block}.walkthrough-actions{margin-top:18px;flex-direction:row;flex-wrap:wrap}.walkthrough-actions button{flex:1;min-width:120px}.model-walkthrough h3{font-size:1.125rem}}
.model-walkthrough{flex-wrap:wrap}.walkthrough-explore{flex-basis:100%;font-size:.875rem;text-align:left;padding:4px 0;min-height:44px}.model-walkthrough .walkthrough-explore{border:0;background:none;color:var(--muted)}
[data-lab][data-guided=true] .step-control,[data-lab][data-guided=true] .experiment-controls,[data-lab][data-guided=true]>.select-control,[data-lab][data-guided=true]>.range-control,[data-lab][data-guided=true] .network-inspector,[data-lab][data-guided=true] .network-presets,[data-lab][data-guided=true] .scene-tabs,[data-lab][data-guided=true] .timeline-control,[data-lab][data-guided=true] .timeline-disclosure,[data-lab][data-guided=true] .network-advanced,[data-lab][data-guided=true] .network-playback{display:none!important}
[data-lab][data-guided=true] .network-workbench{grid-template-columns:1fr!important}[data-money][data-guided=true] .workshop-toolbar,[data-money][data-guided=true] .money-controls{display:none!important}[data-money][data-guided=true] .money-body{grid-template-columns:1fr}
[data-coordination][data-guided=true] .coordination-people label,[data-coordination][data-guided=true] .coordination-actions{display:none!important}.coordination-agreement{font-size:.875rem;color:var(--green);margin-top:8px}[data-coordination][data-guided=true] .coordination-people fieldset{padding-block:16px}.coordination .model-walkthrough{border-radius:14px;margin-block:24px}
.coordination .model-walkthrough .primary-button{background:var(--text);color:var(--paper);border-color:var(--text);font-weight:600}.coordination .model-walkthrough .walkthrough-explore{border:0;background:none;color:var(--muted);padding-left:0}
.model-walkthrough{scroll-margin-top:88px}[data-coordination][data-guided=true] [data-coordination-summary]{display:none}[data-coordination][data-guided=true] .coordination-result{padding:0;border:0}[data-coordination][data-guided=true] .coordination-status{min-height:0;margin:0 0 18px;padding:14px 16px;border-left:3px solid var(--green);background:var(--green-soft)}
@media(max-width:700px){.model-walkthrough{padding:16px}.model-walkthrough h3{margin:4px 0 8px;font-size:1.0625rem}.model-walkthrough p:last-child{font-size:.875rem;line-height:1.5}.model-walkthrough .eyebrow{font-size:.75rem}.model-walkthrough .walkthrough-actions{margin-top:12px}.model-walkthrough .walkthrough-explore{min-height:44px;margin-top:4px;padding-block:0}.model-walkthrough{gap:8px}[data-lab][data-guided=true]>.experiment-label{padding:12px 16px;font-size:.75rem}[data-lab][data-guided=true] .dag-result{padding:16px;min-height:240px}[data-money][data-guided=true] .money-stage{padding:20px}[data-coordination][data-guided=true] .coordination-people{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:0}[data-coordination][data-guided=true] .coordination-people fieldset{padding:12px}[data-coordination][data-guided=true] .coordination-people p{font-size:.8125rem;line-height:1.4}.coordination .model-walkthrough{margin-bottom:12px}}
@media(max-width:700px){.network[data-guided=true] .dag-result{display:flex;flex-direction:column;gap:12px}.network[data-guided=true] .diagram-caption p,.network[data-guided=true] .diagram-caption small{display:none}.network[data-guided=true] .diagram-caption strong{font-size:1.0625rem;line-height:1.35}.network[data-guided=true] .dag-result .drawing-small{height:300px;max-height:300px;min-height:0;width:100%}}