/* Capstone extension: the study site's cream/cocoa and violet/coral palette. */
.capstone-feature{max-width:1200px;margin:56px auto 20px;padding:48px;box-sizing:border-box;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:64px;background:#c3ceff;border-radius:28px;color:#302828}
.capstone-feature h2{font-size:20px;margin:0 0 22px;color:#302828}
.capstone-feature p{color:#302828;max-width:58ch}
.capstone-feature .capstone-slogan{font-family:var(--font-display);font-size:clamp(2.4rem,4.8vw,4.2rem);font-weight:900;line-height:1.05;letter-spacing:-.03em;margin:0 0 26px!important;text-wrap:balance}
.capstone-slogan em{font-style:normal;color:#4b2d95}
.capstone-feature .btn{background:#302828;color:#fffdf7;margin-top:16px}
.capstone-feature .btn:hover{background:#4b2d95}
.capstone-outline{align-self:center}
.capstone-outline>p:first-child{font-size:20px;font-weight:800;margin:0 0 18px}
.capstone-outline ol{padding:0;margin:0;list-style:none;counter-reset:platform-layer}
.capstone-outline li{counter-increment:platform-layer;border-top:1px solid #8795c3;padding:15px 0;font-family:var(--font-display);font-size:18px;font-weight:800}
.capstone-outline li::before{content:counter(platform-layer,decimal-leading-zero);font-size:12px;font-weight:700;margin-inline-end:20px;color:#4b2d95}
.capstone-outline .small{font-size:14px;line-height:1.8;margin-top:22px}
.platform-hero{max-width:1200px;margin:auto;padding:52px 24px 64px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:54px;align-items:center}
.platform-hero h1{margin:0 0 24px;text-align:start;font-family:var(--font-display)!important}
.platform-own{display:block;font-size:clamp(1.6rem,3.2vw,2.8rem);line-height:1.12;margin-bottom:14px;color:var(--ink);font-weight:800}
.platform-title{display:block;font-size:clamp(2.8rem,5.4vw,5.4rem);line-height:1.04;letter-spacing:-.03em;font-weight:900;text-wrap:balance}
.platform-title em{color:#6743bc;font-style:normal}
html[data-theme="dark"] .platform-title em{color:#c3ceff}
.platform-hero-copy>p{font-size:18px;color:var(--muted);max-width:55ch}
.platform-hero .actions{gap:18px;margin-top:26px}
.platform-hero .btn{font-size:15px;padding:13px 28px}
.platform-hero-copy .platform-status{font-size:13px;margin-top:20px;color:var(--muted)}
.platform-stack{display:flex;flex-direction:column;gap:0;background:#302828;border-radius:24px;padding:16px;color:#302828;transform:rotate(-2deg)}
.stack-layer{display:block;color:#302828;padding:21px 22px;border-radius:12px;margin:4px 0;text-decoration:none;transition:transform .18s ease-out}
.stack-layer:hover{color:#302828;transform:translateX(-5px)}
.stack-layer strong{display:block;font-family:var(--font-display);font-weight:900;font-size:20px;line-height:1.35}
.stack-layer>span{display:block;font-size:13px;margin-top:4px}
.layer-0{background:#ffcfb8}.layer-1{background:#d3c3f2}.layer-2{background:#bfe6c9}.layer-3{background:#ffe08a}.layer-4{background:#c3ceff}
.table-scroll{max-width:100%;overflow-x:auto;margin:18px 0;scrollbar-color:var(--hue-deep) var(--ground-2)}
.table-scroll table{margin:0;min-width:540px}
.doc .chapter-coverage{padding:18px 22px;margin:18px 0}
.chapter-coverage summary{font-size:17px}
.toc h2{font-size:15px;margin:0 0 12px}
body:has(.platform-hero) .teacher,body:has(.platform-hero) .callout{border-inline-start-width:1px}
body:has(.platform-hero)::after{display:none}
body:has(.platform-hero){text-underline-offset:.22em}
body:has(.platform-hero) .diagram{margin-inline:0}
body:has(.platform-hero) .doc section{scroll-margin-top:28px}
body:has(.platform-hero) .footer .giant{font-size:clamp(2.8rem,7vw,6rem)}
@media(max-width:980px){.platform-hero{gap:28px;grid-template-columns:1fr;padding-top:32px}.platform-stack{transform:none;max-width:600px}.capstone-feature{margin:36px 24px;gap:30px;padding:32px;grid-template-columns:1fr}.platform-hero h1{max-width:760px}.platform-title{font-size:clamp(2.8rem,7vw,4.7rem)}body:has(.platform-hero) .toc{display:flex;gap:8px 20px;flex-wrap:wrap}body:has(.platform-hero) .toc h2{width:100%}body:has(.platform-hero) .toc a{font-size:13px}}
@media(max-width:640px){.capstone-feature{padding:26px;margin-inline:20px;gap:26px}.capstone-feature .capstone-slogan{font-size:clamp(2rem,8vw,3rem)}.platform-hero{padding-inline:20px;gap:26px}.platform-title{font-size:clamp(2.6rem,10vw,3.8rem)}.platform-own{font-size:1.7rem}.platform-hero-copy>p{font-size:16px}.stack-layer{padding:16px 18px}.stack-layer strong{font-size:18px}.platform-stack{padding:12px}.doc section>h2{font-size:1.45rem}.doc th,.doc td{padding:9px 11px}.doc-wrap{padding-inline:20px}.teacher{padding:16px 18px}}
@media(prefers-reduced-motion:reduce){.stack-layer{transition:none}.stack-layer:hover{transform:none}}
@media print{.topbar,.toc,.actions,.platform-stack,.diagram iframe{display:none}.doc-wrap,.platform-hero{display:block;padding:0}.doc section{margin-bottom:28px}.diagram{background:none}.diagram .cap,.diagram .cap b{color:#302828}details>div{display:block}.table-scroll{overflow:visible}.table-scroll table{min-width:0}.platform-title{font-size:48px}.capstone-feature{break-inside:avoid}}
/* Keep the small wordmark accent legible on the two capstone entry surfaces. */
.wordmark em,.meta-row .dot{color:#b34d27}
html[data-theme="dark"] .wordmark em,html[data-theme="dark"] .meta-row .dot{color:#ffcfb8}
/* Requirements workshop — the same numbered, pastel teaching language as chapters. */
.platform-page .doc-wrap{display:block;padding-top:0}
.platform-page .toc{position:static;display:flex;align-items:center;gap:8px 28px;flex-wrap:wrap;max-height:none;padding:20px 0;margin-bottom:64px;border-block:1px solid var(--line)}
.platform-page .toc>h2{width:100%;font-size:17px;margin:0 0 4px}
.platform-page .toc>a{font-size:14px;font-weight:700;padding:4px 0}
.platform-page .reference-toc{width:100%;font-size:14px}
.reference-toc>summary{cursor:pointer;color:var(--muted)}
.reference-toc[open]{columns:3;column-gap:30px}
.reference-toc[open]>summary{column-span:all;margin-bottom:12px}
.platform-page .doc>.workshop-section{margin-bottom:104px;scroll-margin-top:30px}
.doc .workshop-heading{font-size:32px;gap:20px;margin-bottom:20px;align-items:center;max-width:100%}
.workshop-heading .secnum{font-size:26px;min-width:72px;padding:12px 10px;border-radius:24px;direction:ltr}
#estimates .secnum{background:#ffe08a}#decisions .secnum{background:#bfe6c9}#architecture .secnum{background:#c3ceff}
.workshop-section>p{max-width:76ch;color:var(--muted);font-size:17px}
.workshop-section .workshop-status{font-size:14px;margin:22px 0 28px;padding-block:12px;border-block:1px solid var(--line);max-width:none;color:var(--ink)}
.workshop-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:64px;align-items:start;margin-top:36px}
.workshop-step-nav{display:flex;flex-direction:column;gap:0}
.workshop-step-nav[hidden],.workshop-mobile-nav[hidden],.lesson-controls[hidden]{display:none}
.workshop-step-nav button{font:inherit;color:var(--muted);border:0;border-bottom:1px solid var(--line);background:transparent;display:grid;grid-template-columns:44px 1fr 18px;gap:14px;align-items:center;min-height:70px;padding:10px 0;text-align:start;cursor:pointer;touch-action:manipulation;font-size:14px;font-weight:500}
.lesson-number{font-family:var(--font-display);font-weight:900;font-size:20px;line-height:44px;text-align:center;border-radius:16px;direction:ltr;color:var(--muted)}
.workshop-step-nav button>.ui-icon{opacity:0;width:16px}
.workshop-step-nav button[aria-pressed="true"]{color:var(--ink);font-weight:800}
.workshop-step-nav button[aria-pressed="true"] .lesson-number{background:#d3c3f2;color:#302828}
.workshop-step-nav button[aria-pressed="true"]>.ui-icon{opacity:1;color:var(--link)}
.workshop-mobile-nav{display:none}
.workshop-step[hidden]{display:none}
.workshop-current{min-width:0}
.doc .workshop-step h3{font-family:var(--font-body);font-size:28px;font-weight:900;margin:4px 0 20px}
.workshop-step>p{font-size:17px;line-height:2;max-width:70ch;margin-bottom:24px}
.workshop-question{padding:20px 24px;background:#ffe08a;color:#302828;border-radius:16px;margin:28px 0}
.doc .workshop-question h4{font-size:15px;margin:0 0 8px;font-family:var(--font-body);font-weight:800}
.workshop-question p{font-size:16px;line-height:1.9;margin:0}
.lesson-example{margin:28px 0}
.lesson-example>div{display:grid;grid-template-columns:135px minmax(0,1fr);gap:24px;padding:13px 0;border-bottom:1px solid var(--line);align-items:baseline}
.lesson-example dt{font-size:13px;color:var(--muted)}
.lesson-example dd{font-size:15px;margin:0;font-weight:500}
.lesson-controls{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:20px;margin-top:28px;gap:16px}
.lesson-controls>span{font-family:var(--font-display);font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.quiet-button{font:inherit;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:10px 16px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:999px;cursor:pointer;touch-action:manipulation}
.quiet-button:disabled{opacity:.38;cursor:default}
.workshop-links{display:flex;flex-wrap:wrap;gap:20px 36px;justify-content:flex-end;padding-top:32px;margin-top:32px;border-top:1px solid var(--line)}
.workshop-link{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:14px;text-decoration:none;line-height:1.7}
.ui-icon{flex:none;vertical-align:middle}
html[dir="rtl"] .workshop-link>.ui-icon,html[dir="rtl"] .workshop-step-nav button>.ui-icon,html[dir="rtl"] [data-workshop-next]>.ui-icon,html[dir="rtl"] [data-flow-next]>.ui-icon{transform:rotate(180deg)}
html[dir="ltr"] [data-workshop-prev]>.ui-icon,html[dir="ltr"] [data-flow-prev]>.ui-icon{transform:rotate(180deg)}
/* Two independent scenarios, with assumptions next to the quantities they govern. */
.estimate-scenario{padding:30px 0 36px;margin-top:30px;border-top:2px solid var(--line)}
.scenario-title{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:28px}
.doc .scenario-title h3{font-size:24px;margin:0;font-family:var(--font-body);font-weight:900}
.scenario-title>span{font-size:14px;color:var(--muted)}
.scenario-workspace{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:60px;align-items:start}
.scenario-workspace fieldset{border:0;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px;min-width:0}
.scenario-workspace label{display:flex;flex-direction:column;gap:10px;min-width:0;font-size:14px;font-weight:500}
.estimate-field-label{display:flex;gap:10px;align-items:baseline;justify-content:space-between;line-height:1.7}
.assumption-id{font-family:var(--font-display);font-weight:700;font-size:11px;color:var(--muted);white-space:nowrap;unicode-bidi:isolate}
.scenario-workspace input{font:800 25px/1.4 var(--font-display);font-variant-numeric:tabular-nums;width:100%;min-width:0;min-height:58px;direction:ltr;background:var(--ground-2);color:var(--ink);border:1px solid var(--line);padding:10px 14px;border-radius:12px;caret-color:var(--link)}
.scenario-workspace input:focus-visible{border-color:var(--link)}
.scenario-workspace fieldset>.estimate-caveat{grid-column:1/-1;font-size:13px;margin-top:4px}
.estimate-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 30px;margin:0}
.estimate-results>div{padding-bottom:14px;border-bottom:1px solid var(--line);min-width:0;position:relative}
.estimate-results dt{font-size:13px;color:var(--muted);line-height:1.7;min-height:23px}
.estimate-results dd{margin:5px 0 0;font:800 27px/1.3 var(--font-display);font-variant-numeric:tabular-nums;direction:ltr;text-align:start;overflow-wrap:anywhere}
.estimate-results .result-cost{grid-column:1/-1;background:#d3c3f2;color:#302828;border:0;padding:20px 24px;border-radius:16px}
.result-cost dt,.result-cost .result-assumptions{color:#514366}
.result-cost dd{font-size:46px;line-height:1.2;margin-block:8px 2px}
.estimate-results .result-vectors{grid-column:1/-1}
.result-vectors dd{font-size:40px;color:var(--link)}
.result-assumptions{font-family:var(--font-display);font-size:11px;color:var(--muted);display:block;margin-top:5px;font-weight:700}
.design-question{font-size:14px;font-weight:700;margin:22px 0 0;line-height:1.9;color:var(--ink)}
.estimate-caveat{font-size:13px;color:var(--muted);line-height:1.9;margin:24px 0 0}
.estimate-submit{display:flex;align-items:center;gap:24px;margin:8px 0 40px}
.estimate-submit .langbtn{display:inline-flex;align-items:center;gap:12px;min-height:46px;white-space:nowrap}
.estimate-submit p{font-size:13px;color:var(--muted);margin:0}
#estimate-error{border:1px solid #b34d27;border-radius:12px;padding:16px 20px;color:var(--ink)}
.doc .derivation-title{font-size:22px;font-family:var(--font-body);margin:24px 0}
.worked-equations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 40px;margin-bottom:24px}
.worked-equation{padding:20px 0 24px;border-top:1px solid var(--line);min-width:0}
.doc .worked-equation h4{display:flex;justify-content:space-between;gap:16px;align-items:baseline;font-family:var(--font-body);font-size:15px;margin:0 0 14px}
.equation{font:700 16px/1.9 var(--font-display);font-variant-numeric:tabular-nums;unicode-bidi:isolate;overflow-wrap:anywhere;margin:0}
.equation-limit{font-size:13px;color:var(--muted);margin:10px 0 0;line-height:1.9}
.doc .workbook-reference{border-radius:0;border-block-start:1px solid var(--line);padding:0;background:transparent;margin:0}
.doc .workbook-reference:last-child{border-block-end:1px solid var(--line)}
.workbook-reference>summary{padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;list-style:none;font-size:15px}
.workbook-reference>summary::-webkit-details-marker,.adr-record>summary::-webkit-details-marker{display:none}
.workbook-reference[open]>summary>.ui-icon,.adr-record[open]>summary>.ui-icon{transform:rotate(45deg)}
.disclosure-body{padding:0 0 24px}
.disclosure-body .table-scroll{margin:0}
/* Decision documents: proposal, rationale, and evidence have different editorial roles. */
.slo-example{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;padding:30px 32px;background:#d3c3f2;border-radius:16px;color:#302828;margin:32px 0 44px;align-items:center}
.doc .slo-question h3{font-size:25px;font-family:var(--font-body);font-weight:900;margin:0 0 10px}
.slo-question p{font-size:15px;line-height:1.9}
.slo-example .workshop-link{color:#4b2d95;margin-top:12px}
.budget-equation{font:700 17px/1.9 var(--font-display);font-variant-numeric:tabular-nums;unicode-bidi:isolate;margin:0 0 14px}
.budget-equation strong{font-weight:900;white-space:nowrap}
.budget-bar{display:flex;direction:ltr;gap:3px;height:26px;border-radius:8px;overflow:hidden}
.budget-bar i{display:block;background:#302828}
.slo-budget .budget-part-0{background:#b34d27}.slo-budget .budget-part-1{background:#4b2d95}.slo-budget .budget-part-2{background:#2e7d54}.slo-budget .budget-part-4{background:#97721a}
.slo-budget>p:last-child{font-size:13px;color:#514366;margin-top:14px}
.register-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:14px}
.doc .register-heading h3{font-size:20px;margin:0;font-family:var(--font-body)}
.register-heading>p{font-size:13px;color:var(--muted);margin:0}
.doc .adr-record{margin:0;padding:0;border-radius:0;border-top:1px solid var(--line);background:transparent}
.doc .adr-record:last-child{border-bottom:1px solid var(--line)}
.doc .adr-record>summary{display:grid;grid-template-columns:86px minmax(0,1fr) auto 20px;align-items:center;gap:20px;min-height:92px;line-height:1.7;list-style:none;padding:20px 8px;color:var(--ink);margin:0}
.adr-id{font:700 13px var(--font-display);color:var(--muted)}
.adr-title{font-size:17px;font-weight:800}
.adr-status{font-size:11px;font-weight:700;padding:5px 10px;border:1px solid var(--line);border-radius:999px;white-space:nowrap;color:var(--muted)}
[data-status="accepted"] .adr-status{background:#bfe6c9;color:#302828;border-color:transparent}
.doc .adr-record[open]>summary{color:var(--ink);background:var(--ground-2);padding-inline:20px;border-radius:16px 16px 0 0}
.adr-body{background:var(--ground-2);padding:0 28px 12px;border-radius:0 0 16px 16px;margin-bottom:20px}
.adr-field{display:grid;grid-template-columns:160px minmax(0,1fr);gap:30px;border-top:1px solid var(--line);padding:22px 0;align-items:baseline}
.doc .adr-field h4{font-family:var(--font-body);font-size:13px;font-weight:700;color:var(--muted);margin:0}
.adr-field p{font-size:15px;line-height:2;margin:0;max-width:72ch}
.adr-choice{background:#d3c3f2;color:#302828;padding:22px 24px;border:0;margin:0 -4px;border-radius:12px}
.adr-choice h4{color:#514366!important}
.adr-choice p{font-weight:700}
.adr-validation h4,.adr-revisit h4{color:var(--link)!important}
.adr-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0;border-top:1px solid var(--line)}
.adr-footer p{font-size:13px;color:var(--muted)}
.adr-footer .workshop-link .ui-icon{transform:none}
/* The graph and the current explanation form one teaching instrument. */
.flow-player{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);align-items:center;background:var(--ground-2);border-radius:16px;margin:32px 0 16px;padding:24px;gap:16px 28px}
.flow-stage{min-width:0}
.flow-stage svg{display:block;width:100%;height:auto;color:var(--ink)}
.flow-stage text{font-family:var(--font-display);fill:#302828}
.flow-stage .is-active rect{stroke:#6743bc;stroke-width:3}
.flow-stage path.is-active{stroke:#6743bc;stroke-width:3}
.flow-caption{padding:8px 0 8px 8px;min-width:0}
.flow-position{display:block;font-size:14px;font-weight:700;color:var(--muted);font-family:var(--font-display)}
.flow-position bdi{font-size:26px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums;margin-inline-start:8px}
.flow-route{font:700 12px/1.8 var(--font-display);color:var(--muted);margin:12px 0 16px;unicode-bidi:isolate}
.doc .flow-caption h3{font-family:var(--font-body);font-size:22px;margin:0 0 14px;font-weight:900}
.flow-caption>[data-flow-explanation]{font-size:14px;line-height:2;margin:0 0 18px}
.flow-caption .workshop-link{font-family:var(--font-display);font-size:13px}
.flow-toolbar{grid-column:1/-1;display:flex;gap:20px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:20px}
.flow-toolbar .langbtn{display:inline-flex;align-items:center;gap:12px;min-height:46px;padding-inline:24px;white-space:nowrap}
.flow-manual{display:flex;gap:8px;flex-wrap:wrap}
.flow-manual .quiet-button{border:0;padding-inline:12px}
.play-shape{fill:currentColor;stroke:none}.pause-shape{display:none}
[aria-pressed="true"] .play-shape{display:none}[aria-pressed="true"] .pause-shape{display:block}
.workshop-section>.flow-note{font-size:13px;max-width:90ch}
#platform-flow-svg circle{fill:var(--link)}
.doc .design-reference{padding:28px 0;border-radius:0;border-block:2px solid var(--line);background:transparent}
.design-reference>summary{font-size:20px;line-height:1.8}
.design-reference>section{max-width:900px;margin-inline:auto}
.design-reference>section:first-of-type{margin-top:48px}
.decision-link{font-size:14px;color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(hover:hover) and (pointer:fine){.workshop-step-nav button:hover .lesson-number{background:var(--ground-3);color:var(--ink)}.workshop-step-nav button[aria-pressed="true"]:hover .lesson-number{background:#d3c3f2}.quiet-button:not(:disabled):hover{background:var(--ground-3);border-color:var(--ink)}.workshop-link:hover{text-decoration:underline}.adr-record>summary:hover .adr-title{color:var(--link)}}
@media(hover:none),(pointer:coarse){.stack-layer:hover{transform:none}}
@media(max-width:980px){.workshop-layout{grid-template-columns:225px minmax(0,1fr);gap:36px}.scenario-workspace{gap:36px}.scenario-workspace fieldset{grid-template-columns:1fr}.flow-player{grid-template-columns:1.5fr 1fr;gap:18px}.slo-example{gap:28px}.adr-field{grid-template-columns:135px minmax(0,1fr);gap:24px}}
@media(max-width:700px){
 .platform-page .toc{gap:8px 22px;margin-bottom:44px;padding-block:16px}.platform-page .toc>a{font-size:13px}.platform-page .reference-toc{font-size:13px}.reference-toc[open]{columns:1}
 .platform-page .doc>.workshop-section{margin-bottom:72px}.doc .workshop-heading{font-size:24px;gap:14px;line-height:1.65}.workshop-heading .secnum{min-width:54px;font-size:21px;padding:10px 8px;border-radius:19px}
 .workshop-section>p{font-size:15px}.workshop-section .workshop-status{font-size:13px;margin-bottom:24px;line-height:1.9}
 .workshop-layout{display:block;margin-top:24px}.workshop-step-nav{display:none}.workshop-mobile-nav:not([hidden]){display:block;margin-bottom:28px}
 .workshop-mobile-nav label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.stage-select-wrap{position:relative}.stage-select-wrap>svg{position:absolute;inset-inline-end:16px;top:18px;pointer-events:none;color:#302828}
 #workshop-stage-select{font:700 16px/1.6 var(--font-body);appearance:none;width:100%;min-height:56px;border:0;background:#d3c3f2;color:#302828;border-radius:14px;padding:14px 18px;padding-inline-end:48px;cursor:pointer}
 .doc .workshop-step h3{font-size:25px;margin-bottom:16px}.workshop-step>p{font-size:15px;line-height:2}.workshop-question{padding:18px 20px;margin:22px 0}.workshop-question p{font-size:15px}.doc .workshop-question h4{font-size:13px}
 .lesson-example>div{grid-template-columns:90px minmax(0,1fr);gap:18px}.lesson-example dt{font-size:12px}.lesson-example dd{font-size:14px}.lesson-controls{gap:8px}.lesson-controls .quiet-button{font-size:13px;padding:8px 14px}.lesson-controls>span{font-size:12px}.workshop-links{justify-content:flex-start;gap:18px 28px;margin-top:24px;padding-top:24px}.workshop-link{font-size:13px}
 .estimate-scenario{padding-top:24px;margin-top:26px}.scenario-title{align-items:start;flex-direction:column;gap:6px;margin-bottom:22px}.doc .scenario-title h3{font-size:22px}.scenario-title>span{font-size:12px}
 .scenario-workspace{grid-template-columns:1fr;gap:28px}.scenario-workspace fieldset{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}.scenario-workspace label{font-size:12px}.estimate-field-label{align-items:start;gap:6px;min-height:42px}.assumption-id{font-size:11px}.scenario-workspace input{font-size:23px;min-height:54px;padding-inline:12px}
 .estimate-results{gap:18px 24px}.estimate-results dd{font-size:24px}.result-cost dd{font-size:42px}.result-vectors dd{font-size:36px}.estimate-results dt{font-size:12px}.estimate-results .result-cost{padding:18px 22px}.design-question{font-size:13px}.estimate-caveat{font-size:12px}
 .estimate-submit{flex-direction:column;align-items:start;gap:14px;margin-bottom:36px}.estimate-submit p{font-size:12px}.worked-equations{grid-template-columns:1fr;gap:0}.doc .derivation-title{font-size:20px}.equation{font-size:15px}.worked-equation{padding:18px 0 22px}.doc .worked-equation h4{font-size:14px}.workbook-reference>summary{font-size:14px;line-height:1.9}
 .slo-example{grid-template-columns:1fr;padding:24px;gap:26px}.doc .slo-question h3{font-size:24px}.budget-equation{font-size:15px}.slo-question p{font-size:14px}.slo-budget>p:last-child{font-size:12px}
 .register-heading{align-items:start;flex-direction:column;gap:8px}.doc .register-heading h3{font-size:18px}.register-heading>p{font-size:12px}
 .doc .adr-record>summary{grid-template-columns:1fr auto 20px;gap:8px 12px;padding:18px 0;min-height:94px}.adr-id{grid-column:1;font-size:12px}.adr-status{grid-column:2;grid-row:1;font-size:11px;padding:4px 8px}.adr-record>summary>.ui-icon{grid-column:3;grid-row:1/3;width:18px}.adr-title{grid-column:1/3;grid-row:2;font-size:15px;line-height:1.8}
 .doc .adr-record[open]>summary{padding-inline:16px}.adr-body{padding:0 18px 8px}.adr-field{grid-template-columns:1fr;gap:8px;padding:18px 0}.doc .adr-field h4{font-size:12px}.adr-field p{font-size:14px}.adr-choice{padding:18px;margin-inline:-2px}.adr-footer{flex-direction:column;align-items:start;gap:6px;padding-block:14px}
 .flow-player{grid-template-columns:1fr;padding:18px;gap:20px}.flow-caption{grid-row:1;padding:0}.flow-stage{grid-row:3}.flow-toolbar{grid-row:2;flex-direction:column;align-items:stretch;gap:12px}.flow-toolbar .langbtn{justify-content:center}.flow-manual{justify-content:space-between;gap:4px}.flow-manual .quiet-button{font-size:12px;padding:8px 4px;gap:6px}.flow-manual .ui-icon{width:17px}.flow-position{font-size:12px}.flow-position bdi{font-size:23px}.flow-route{margin:8px 0 12px}.doc .flow-caption h3{font-size:21px}.flow-caption>[data-flow-explanation]{font-size:14px;margin-bottom:12px}.workshop-section>.flow-note{font-size:12px}
 .doc .design-reference{padding-block:22px}.design-reference>summary{font-size:17px}
}
html[data-theme="dark"] .flow-stage path.is-active{stroke:#c3ceff}
html[data-theme="dark"] .flow-stage .is-active rect{stroke:#c3ceff}
html[data-theme="dark"] .adr-choice h4{color:#514366!important}
@media(prefers-reduced-motion:reduce){.flow-stage *{transition:none!important}.flow-stage circle{visibility:hidden!important}}
@media print{.workshop-step-nav,.workshop-mobile-nav,.lesson-controls,.flow-toolbar,.estimate-submit{display:none!important}.workshop-step[hidden]{display:block}.doc-wrap{display:block}.workshop-layout,.scenario-workspace,.flow-player{display:block}.workshop-heading{break-after:avoid}}
.adr-preview{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:6px;line-height:1.8;max-width:80ch}
.adr-record:not([open]) .adr-preview{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
@media(max-width:980px) and (min-width:701px){.flow-player{grid-template-columns:1fr}.flow-stage{grid-row:2}.flow-caption{grid-row:1;padding:0;max-width:70ch}}
@media(max-width:700px){.adr-preview{font-size:12px;line-height:1.9}.doc .adr-record>summary{padding-block:20px}}

.budget-legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px;margin:20px 0 0;font-size:12px;line-height:1.8}
.budget-legend>div{display:flex;align-items:baseline;justify-content:space-between;gap:14px;min-width:0}
.budget-legend>div:last-child{grid-column:1/-1}
.budget-legend dt{display:flex;align-items:baseline;gap:8px}
.budget-key{display:inline-block;flex:none;width:10px;height:10px;border-radius:3px;background:#302828}
.budget-legend dd{margin:0;font-family:var(--font-display);font-variant-numeric:tabular-nums;font-weight:800;white-space:nowrap}
@media(max-width:700px){.budget-legend{grid-template-columns:1fr;gap:10px;margin-top:18px;font-size:12px}.budget-legend>div:last-child{grid-column:auto}}
/* Product context comes before the design workshop. */
.doc .project-overview>h2,.doc .company-evidence>h2{font-family:var(--font-body);font-size:34px;line-height:1.5;margin-bottom:20px}
.project-definition{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:start;margin:38px 0 48px}
.doc .project-definition h3{font-family:var(--font-body);font-size:24px;margin:0 0 18px;font-weight:900}
.project-definition p{font-size:16px;line-height:2}
.project-contract{margin:26px 0 0}
.project-contract>div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:20px;border-top:1px solid var(--line);padding:14px 0}
.project-contract dt{font-size:13px;color:var(--muted)}.project-contract dd{margin:0;font-size:15px;font-weight:500}
.project-demo{padding:28px 30px;border-radius:16px;background:#bfe6c9;color:#302828}
.doc .project-demo h3{font-size:23px}
.doc .project-demo h4{font-family:var(--font-body);font-size:15px;margin:24px 0 12px}
.project-demo p:last-child{font-size:13px;margin:22px 0 0;line-height:1.9;color:#354f39}
.project-demo ul{font-size:15px;padding-inline-start:22px}
.demo-evidence{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;direction:ltr}
.demo-evidence bdi{font-family:var(--font-display);font-size:12px;font-weight:800;border:1px solid #7f9a7a;border-radius:999px;padding:4px 10px;color:#354f39}
.doc .project-problems>h3,.doc .project-careers h3,.doc .industry-evidence>h3,.doc .interview-register>h3{font-family:var(--font-body);font-size:24px;margin:0 0 22px;font-weight:900}
.problem-row{display:grid;grid-template-columns:215px minmax(0,1fr) minmax(0,1.15fr);gap:34px;align-items:start;padding:26px 0;border-top:1px solid var(--line)}
.doc .problem-row>h4{margin:0;padding:12px 16px;border-radius:12px;color:#302828;font-size:16px;line-height:1.5;text-align:center}
.doc .problem-row h5{font-family:var(--font-body);font-size:12px;font-weight:700;color:var(--muted);margin:0 0 8px}
.problem-row p{font-size:15px;line-height:1.9;margin:0}
.project-scope{display:grid;grid-template-columns:1fr 1fr;gap:52px;border-block:2px solid var(--line);padding-block:32px;margin-top:30px}
.doc .project-scope h3{font-family:var(--font-body);font-size:22px;font-weight:900;margin:0 0 16px}
.project-scope p{font-size:15px;line-height:2;margin-bottom:18px}
.project-careers{margin-top:38px}
.project-careers>p{font-size:16px;line-height:2;max-width:78ch}
.industry-evidence{margin-top:38px}
.industry-evidence>p,.interview-register>p{font-size:15px;color:var(--muted);max-width:80ch;margin-bottom:26px}
.industry-evidence>article{display:grid;grid-template-columns:140px minmax(0,1fr);gap:36px;padding:23px 0;border-top:1px solid var(--line)}
.doc .industry-evidence article h4{font-family:var(--font-display);font-size:20px;font-weight:900;margin:0}
.industry-evidence article p{font-size:15px;margin:0 0 10px;line-height:1.9;max-width:72ch}
.industry-evidence article a{font-family:var(--font-display);font-size:13px;line-height:1.8;display:inline-block;unicode-bidi:isolate}
.source-date{font-family:var(--font-display);font-size:12px;color:var(--muted);display:block;margin-top:7px;font-variant-numeric:tabular-nums}
.interview-register{margin-top:50px;margin-bottom:32px}
.doc .interview-record{background:transparent;border-radius:0;border-top:1px solid var(--line);padding:0;margin:0}
.doc .interview-record:last-child{border-bottom:1px solid var(--line)}
.doc .interview-record>summary{list-style:none;display:grid;grid-template-columns:1fr auto 20px;align-items:center;gap:24px;padding:22px 8px;min-height:86px;color:var(--ink);margin:0}
.interview-record>summary::-webkit-details-marker{display:none}
.interview-company{display:flex;align-items:baseline;gap:28px;min-width:0}
.interview-company>bdi{font-family:var(--font-display);font-size:21px;font-weight:900;min-width:120px}
.interview-company>span{font-family:var(--font-display);font-size:13px;font-weight:500;direction:ltr;color:var(--muted)}
.evidence-kind{font-size:12px;border:1px solid var(--line);padding:5px 12px;border-radius:999px;color:var(--muted);white-space:nowrap}
[data-evidence="official"] .evidence-kind{background:#bfe6c9;border-color:transparent;color:#302828}
.doc .interview-record[open]>summary{padding-inline:24px;background:var(--ground-2);border-radius:16px 16px 0 0}
.interview-record[open]>summary>.ui-icon{transform:rotate(45deg)}
.interview-body{padding:4px 28px 28px;background:var(--ground-2);border-radius:0 0 16px 16px;margin-bottom:20px}
.doc .interview-body>h4{font-family:var(--font-body);font-size:14px;font-weight:800;margin:18px 0 10px;color:var(--link)}
.interview-body>p{font-size:15px;line-height:2;max-width:78ch}
.interview-topic-links{display:flex;flex-wrap:wrap;gap:10px 20px;direction:ltr;margin:20px 0}
.interview-topic-links a{font-size:13px;font-family:var(--font-display)}
.evidence-limits{border-top:1px solid var(--line);padding-top:16px;margin:24px 0}
.evidence-limits p{font-size:13px;color:var(--muted);line-height:1.9;max-width:90ch}
.company-evidence .disclosure-body>p{font-size:14px;line-height:2;max-width:80ch}
@media(hover:hover) and (pointer:fine){.interview-record>summary:hover .interview-company>bdi{color:var(--link)}}
@media(max-width:980px){.project-definition{gap:32px}.problem-row{grid-template-columns:175px 1fr 1fr;gap:24px}.interview-company{gap:18px}}
@media(max-width:700px){
 .doc .project-overview>h2,.doc .company-evidence>h2{font-size:25px;line-height:1.7}
 .project-definition{grid-template-columns:1fr;gap:28px;margin:28px 0 36px}.doc .project-definition h3{font-size:22px;line-height:1.6}.project-definition p{font-size:15px}.project-contract>div{grid-template-columns:75px 1fr;gap:16px}.project-contract dt{font-size:12px}.project-contract dd{font-size:14px}
 .project-demo{padding:24px}.doc .project-demo h3{font-size:21px}.project-demo ul{font-size:14px}.project-demo p:last-child{font-size:12px}.demo-evidence{gap:6px}.demo-evidence bdi{font-size:11px;padding-inline:8px}
 .doc .project-problems>h3,.doc .project-careers h3,.doc .industry-evidence>h3,.doc .interview-register>h3{font-size:21px;line-height:1.6}
 .problem-row{grid-template-columns:1fr;gap:16px;padding:24px 0}.doc .problem-row>h4{justify-self:start;max-width:100%;font-size:15px;padding:10px 18px}.problem-row>div{display:grid;grid-template-columns:80px minmax(0,1fr);gap:16px}.problem-row p{font-size:14px}.doc .problem-row h5{font-size:11px;margin:2px 0 0}
 .project-scope{grid-template-columns:1fr;gap:32px;padding-block:28px;margin-top:18px}.doc .project-scope h3{font-size:20px}.project-scope p{font-size:14px}.project-careers{margin-top:30px}.project-careers>p{font-size:14px}
 .industry-evidence{margin-top:28px}.industry-evidence>p,.interview-register>p{font-size:14px}.industry-evidence>article{grid-template-columns:1fr;gap:12px;padding-block:22px}.doc .industry-evidence article h4{font-size:20px}.industry-evidence article p{font-size:14px}.industry-evidence article a{font-size:12px}
 .interview-register{margin-top:36px}.doc .interview-record>summary{gap:12px;padding:20px 0;grid-template-columns:1fr auto 18px}.interview-company{display:block}.interview-company>bdi{font-size:20px;display:block;min-width:0}.interview-company>span{display:block;font-size:11px;line-height:1.8;margin-top:4px}.evidence-kind{font-size:11px;padding:4px 8px}.doc .interview-record[open]>summary{padding-inline:16px}.interview-body{padding:2px 18px 24px}.interview-body>p{font-size:14px}.evidence-limits p{font-size:12px}.company-evidence .disclosure-body>p{font-size:13px}
}

.source-date{display:inline-block;margin-inline-start:18px}
.interview-company{display:grid;grid-template-columns:120px minmax(0,1fr);gap:6px 28px;align-items:baseline}
.interview-company>.interview-question-preview{grid-column:1/-1;direction:inherit;font-family:var(--font-body);font-size:14px;color:var(--ink);line-height:1.8;margin-top:4px}
@media(max-width:700px){.interview-company{display:block}.interview-company>.interview-question-preview{font-size:13px;margin-top:8px}.source-date{font-size:11px;margin-inline-start:12px}}
/* Selected recovery objectives and the closing developer walkthrough. */
.recovery-definitions,.outcome-summary{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin:32px 0}
.doc .recovery-definitions h3{font-size:18px;margin:0 0 12px}.recovery-definitions p{font-size:15px;line-height:2}
.recovery-status{padding:16px 22px;background:#ffe08a;color:#302828!important;border-radius:12px;font-size:14px!important}
.doc .recovery-case{background:transparent;margin:0;border-radius:0;padding:0;border-top:1px solid var(--line)}
.recovery-case>summary{display:flex;align-items:center;gap:18px;padding:20px 0;list-style:none;font-size:16px}
.recovery-case>summary>bdi{font-family:var(--font-display);color:var(--muted);font-size:13px}.recovery-case>summary>.ui-icon{margin-inline-start:auto}
.recovery-case>summary::-webkit-details-marker{display:none}.recovery-case[open]>summary>.ui-icon{transform:rotate(45deg)}
.recovery-case .disclosure-body{max-width:80ch}.doc .recovery-case h4{font-size:14px;font-family:var(--font-body);color:var(--link);margin:22px 0 8px}.recovery-case p{font-size:15px;line-height:2}
.recovery-measure{margin:32px 0;border-block:1px solid var(--line);padding-block:24px}.doc .recovery-measure h3{font-size:22px;margin:0 0 16px}.recovery-measure p{font-size:15px;line-height:2;max-width:82ch}.recovery-sources{font-size:13px!important;margin-top:26px}
.outcome-section>h2{font-size:34px!important}.doc .outcome-summary h3{font-family:var(--font-body);font-size:23px;margin:0 0 18px}.outcome-summary li,.outcome-summary p{font-size:15px;line-height:2}.outcome-summary>div:first-child{padding:26px 28px;background:#d3c3f2;color:#302828;border-radius:16px}.outcome-summary>div:last-child{padding-block:26px}
.doc .pov-title{font-family:var(--font-body);font-size:26px;margin:44px 0 18px}
.pov-player{margin:30px 0;background:var(--ground-2);border-radius:16px;padding:26px}
.pov-topline{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:20px}.pov-topline strong{font-family:var(--font-display);font-size:17px}.pov-topline>span{font-size:12px;color:var(--muted)}
.pov-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;padding-block:28px;align-items:start}
.pov-step-nav{display:flex;flex-direction:column;gap:0}.pov-step-nav[hidden],.pov-toolbar[hidden]{display:none}.pov-step-nav button{font:inherit;font-size:13px;color:var(--muted);text-align:start;cursor:pointer;display:flex;align-items:center;gap:14px;background:transparent;border:0;border-bottom:1px solid var(--line);padding:13px 0;min-height:52px;touch-action:manipulation}.pov-step-nav button>bdi{font:900 16px var(--font-display);padding:6px 8px;border-radius:10px}.pov-step-nav button[aria-pressed="true"]{color:var(--ink);font-weight:800}.pov-step-nav button[aria-pressed="true"]>bdi{background:#c3ceff;color:#302828}
.pov-screen{min-width:0}.pov-screen article[hidden]{display:none}.pov-screen-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.doc .pov-screen-heading h3{font-family:var(--font-body);font-size:24px;margin:0}.pov-state{font-family:var(--font-display);font-size:12px;font-weight:800;color:var(--link)}.pov-screen article>p{font-size:15px;line-height:2;margin-block:20px;max-width:72ch}
.pov-config{direction:ltr;margin:24px 0;font-family:var(--font-display)}.pov-config>div{display:grid;grid-template-columns:130px minmax(0,1fr);gap:24px;border-top:1px solid var(--line);padding:16px 0}.pov-config dt{font-size:12px;color:var(--muted)}.pov-config dd{margin:0;font-size:14px;font-weight:700;overflow-wrap:anywhere;line-height:1.8}
.pov-incident{padding:18px 22px;background:#ffcfb8;color:#302828;border-radius:12px;margin-block:24px}.pov-incident p{margin:0;font-size:14px}.doc .pov-report h4{font-family:var(--font-body);font-size:17px;margin:22px 0 12px}.pov-report li{font-size:14px;line-height:2}.pov-report .workshop-link{margin-top:16px}
.pov-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;border-top:1px solid var(--line);padding-top:20px}.pov-toolbar>.langbtn{display:flex;align-items:center;gap:12px;min-height:46px}.pov-toolbar>[data-pov-counter]{font-size:13px;color:var(--muted)}.pov-toolbar bdi{font-family:var(--font-display);font-variant-numeric:tabular-nums}.pov-toolbar .quiet-button{border:0}.pov-toolbar .langbtn[aria-pressed="true"] .play-shape{display:none}.pov-toolbar .langbtn[aria-pressed="true"] .pause-shape{display:block}
html[dir="rtl"] [data-pov-next]>.ui-icon{transform:rotate(180deg)}html[dir="ltr"] [data-pov-prev]>.ui-icon{transform:rotate(180deg)}
.project-signature{border-top:2px solid var(--line);margin-top:52px;padding-top:30px}.project-signature>p:first-child{font-size:14px;color:var(--muted)}.project-signature>strong{display:inline-block;font-family:var(--font-display);font-size:36px;font-weight:900;line-height:1.3}.project-signature .workshop-links{justify-content:start;margin-top:22px;padding-top:22px}.signature-note{font-size:12px!important;max-width:88ch!important;color:var(--muted)}
.author-credit{font-size:13px;color:var(--muted);max-width:1200px;margin:0 auto;padding:0 24px 28px}.author-credit a{font-family:var(--font-display);font-weight:800}
@media(hover:hover) and (pointer:fine){.pov-step-nav button:hover{color:var(--link)}}
@media(max-width:700px){.recovery-definitions,.outcome-summary{grid-template-columns:1fr;gap:26px;margin-block:26px}.recovery-definitions p,.recovery-case p,.recovery-measure p{font-size:14px}.recovery-case>summary{font-size:14px}.recovery-status{font-size:13px!important}.outcome-section>h2{font-size:25px!important}.doc .outcome-summary h3{font-size:21px}.outcome-summary li,.outcome-summary p{font-size:14px}.outcome-summary>div:first-child{padding:22px}.outcome-summary>div:last-child{padding:0}.doc .pov-title{font-size:23px;line-height:1.6}.pov-player{padding:20px}.pov-topline{align-items:start;flex-direction:column;gap:8px}.pov-topline strong{font-size:14px}.pov-topline>span{font-size:11px}.pov-layout{grid-template-columns:1fr;gap:24px;padding-block:22px}.pov-step-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.pov-step-nav button{font-size:12px;padding-block:8px;gap:8px}.pov-step-nav button>bdi{font-size:14px}.doc .pov-screen-heading h3{font-size:21px}.pov-state{font-size:11px}.pov-screen article>p{font-size:14px}.pov-config>div{grid-template-columns:90px minmax(0,1fr);gap:18px}.pov-config dd{font-size:13px}.pov-config dt{font-size:11px}.pov-toolbar{gap:14px}.pov-toolbar>.langbtn{justify-content:center;flex:1}.pov-toolbar>.flow-manual{justify-content:space-between;width:100%}.pov-toolbar .quiet-button{font-size:12px;padding:8px 6px;gap:7px}.project-signature>strong{font-size:30px}}
@media print{.pov-step-nav,.pov-toolbar{display:none!important}.pov-layout{display:block}.pov-screen article[hidden]{display:block}.pov-player{padding:0}}

.pov-mobile-nav{display:none}.pov-mobile-nav select{font:inherit;width:100%;min-height:48px;color:var(--ink);background:var(--ground);border:1px solid var(--line);border-radius:12px;padding:10px;margin-top:8px}.pov-mobile-nav[hidden]{display:none}
@media(max-width:700px){.pov-step-nav{display:none}.pov-mobile-nav{display:block;font-size:13px}.pov-mobile-nav[hidden]{display:none}}

@media(max-width:700px){.pov-topline>span,.pov-state{font-size:12px}}
