:root{
  --ink:#11120f;
  --paper:#f4f0e7;
  --paper-2:#e9e3d7;
  --signal:#d7ff38;
  --signal-dark:#adcf1d;
  --line:rgba(17,18,15,.16);
  --muted:#696b63;
  --white:#fffdf8;
  --slate:#26281f;
  --radius:18px;
  --mono:"Space Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"DM Sans",Inter,ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.55}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{color:inherit}
h1,h2,h3,h4,p{margin-top:0}
.noise{position:fixed;inset:0;pointer-events:none;z-index:999;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E")}
.shell{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{height:78px;width:min(1280px,calc(100% - 36px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:700;letter-spacing:-.02em}
.brand-mark{width:42px;height:36px;display:grid;place-items:center;background:var(--ink);color:var(--signal);border-radius:8px;font:10px var(--mono)}
.nav{display:flex;gap:24px;color:var(--muted);font-size:13px}
.nav a:hover{color:var(--ink)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;border:1px solid var(--line);font-weight:700;background:transparent;cursor:pointer}
.button-primary{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.button-dark{background:var(--ink);border-color:var(--ink);color:var(--white)}
.eyebrow,.kicker,.micro{font:10px var(--mono);letter-spacing:.12em;text-transform:uppercase}
.eyebrow{color:var(--muted)}
.hero{padding:88px 0 100px;display:grid;grid-template-columns:1.12fr .88fr;gap:72px;align-items:center}
.hero h1{font-size:clamp(56px,7vw,94px);line-height:.92;letter-spacing:-.065em;margin:24px 0 28px;max-width:800px}
.hero h1 em{font-family:Georgia,serif;font-weight:400}
.hero p{font-size:19px;color:#55584f;max-width:720px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.console{background:var(--ink);color:var(--white);border-radius:24px;overflow:hidden;box-shadow:0 34px 80px rgba(17,18,15,.22)}
.console-top{height:48px;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid rgba(255,255,255,.12);font:9px var(--mono);color:#8f9289}
.console-body{padding:30px}
.console-label{color:var(--signal);font:9px var(--mono);letter-spacing:.1em}
.console h3{font-size:27px;line-height:1.15;letter-spacing:-.04em;margin:14px 0 24px}
.console-row{display:grid;grid-template-columns:122px 1fr;gap:12px;padding:13px 0;border-top:1px solid rgba(255,255,255,.12)}
.console-row span{color:#85887f;font:9px var(--mono)}
.console-row strong{font-size:13px}
.signal{color:var(--signal)!important}
.section{padding:110px 0}
.section.dark{background:var(--ink);color:var(--white)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head .kicker{color:var(--muted);margin-bottom:18px}
.dark .section-head .kicker{color:#8f9289}
.section-head h2{font-size:clamp(40px,5vw,66px);line-height:1;letter-spacing:-.055em;margin-bottom:20px}
.section-head p{color:var(--muted);font-size:17px}
.dark .section-head p{color:#aeb1a8}
.lesson-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.lesson-card{min-height:330px;border:1px solid var(--line);border-radius:18px;padding:26px;background:var(--white);display:flex;flex-direction:column}
.lesson-card.active{background:var(--ink);color:var(--white);border-color:var(--ink)}
.lesson-card .num{font:10px var(--mono);color:var(--signal-dark)}
.lesson-card.active .num{color:var(--signal)}
.lesson-card h3{font-size:30px;letter-spacing:-.04em;margin:55px 0 12px}
.lesson-card p{color:var(--muted);font-size:14px}
.lesson-card.active p{color:#aeb1a8}
.lesson-card .artifact{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:grid}
.lesson-card.active .artifact{border-color:rgba(255,255,255,.13)}
.artifact small{font:8px var(--mono);color:var(--muted);letter-spacing:.1em}
.artifact strong{font-size:13px;margin-top:6px}
.status{display:inline-flex;align-items:center;gap:7px;font:9px var(--mono);color:var(--muted);margin-top:16px}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:#b9b8b1}
.active .status{color:var(--signal)}
.active .status::before{background:var(--signal)}
.lesson-hero{padding:72px 0 76px;border-bottom:1px solid var(--line)}
.breadcrumbs{font:9px var(--mono);color:var(--muted);margin-bottom:28px}
.lesson-hero-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end}
.lesson-hero h1{font-size:clamp(52px,7vw,88px);line-height:.92;letter-spacing:-.065em;margin:16px 0 24px}
.lesson-hero p{font-size:18px;color:var(--muted);max-width:720px}
.lesson-meta{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--white)}
.lesson-meta div{padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:grid}
.lesson-meta div:nth-child(2n){border-right:0}
.lesson-meta div:nth-last-child(-n+2){border-bottom:0}
.lesson-meta span{font:8px var(--mono);color:var(--muted);letter-spacing:.08em}
.lesson-meta strong{font-size:13px;margin-top:6px}
.prose{max-width:840px}
.prose h2{font-size:42px;line-height:1.02;letter-spacing:-.05em;margin:58px 0 18px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:25px;letter-spacing:-.035em;margin:35px 0 12px}
.prose p,.prose li{font-size:17px;color:#55584f}
.prose strong{color:var(--ink)}
.callout{margin:34px 0;padding:28px;border-radius:17px;background:var(--ink);color:var(--white)}
.callout .micro{color:var(--signal)}
.callout p{color:#c3c5bd;margin:12px 0 0}
.three-way{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:35px}
.type-card{border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--white);min-height:260px}
.type-card span{font:9px var(--mono);color:var(--signal-dark)}
.type-card h3{font-size:25px;margin:40px 0 10px}
.type-card p{font-size:13px;color:var(--muted)}
.type-card.dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
.type-card.dark p{color:#aeb1a8}
.type-card.dark span{color:var(--signal)}
.loop{margin:38px 0;padding:24px;border:1px solid var(--line);border-radius:17px;background:var(--white);display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.loop div{min-height:90px;border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;justify-content:space-between}
.loop span{font:8px var(--mono);color:var(--muted)}
.loop strong{font-size:12px}
.loop div:nth-child(4){background:var(--signal)}
.exercise-shell{display:grid;grid-template-columns:.72fr 1.28fr;gap:24px;align-items:start}
.exercise-sidebar{position:sticky;top:18px;border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:24px}
.exercise-sidebar h3{font-size:26px;line-height:1.05}
.exercise-sidebar p{font-size:13px;color:#9fa299}
.progress-track{height:7px;background:rgba(255,255,255,.12);border-radius:99px;overflow:hidden;margin:20px 0}
.progress-bar{height:100%;width:0;background:var(--signal);transition:width .25s ease}
.score-box{display:grid;grid-template-columns:1fr auto;gap:10px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13)}
.score-box span{font:9px var(--mono);color:#8f9289}
.score-box strong{font:700 28px var(--mono);color:var(--signal)}
.scenario-list{display:grid;gap:16px}
.scenario{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:27px;background:rgba(255,255,255,.025)}
.scenario .micro{color:var(--signal)}
.scenario h3{font-size:28px;letter-spacing:-.035em;margin:14px 0}
.scenario p{color:#c0c3ba}
.scenario-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:22px 0}
.scenario-facts div{border:1px solid rgba(255,255,255,.12);border-radius:11px;padding:12px;display:grid}
.scenario-facts span{font:8px var(--mono);color:#85887f}
.scenario-facts strong{font-size:12px;margin-top:6px}
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.choice{border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--white);border-radius:12px;padding:14px;text-align:left;cursor:pointer}
.choice:hover{border-color:var(--signal)}
.choice.selected{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.choice strong{display:block;font-size:13px}
.choice small{display:block;margin-top:5px;opacity:.7}
.feedback{display:none;margin-top:18px;border-top:1px solid rgba(255,255,255,.12);padding-top:17px;color:#c2c5bc;font-size:13px}
.feedback.show{display:block}
.feedback b{color:var(--signal)}
.suitability{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px}
.suitability-form{border:1px solid var(--line);border-radius:18px;padding:25px;background:var(--white)}
.slider-row{padding:18px 0;border-bottom:1px solid var(--line)}
.slider-row:last-child{border-bottom:0}
.slider-top{display:flex;justify-content:space-between;gap:15px}
.slider-top strong{font-size:14px}
.slider-top span{font:700 13px var(--mono);color:var(--signal-dark)}
.slider-row p{font-size:12px;color:var(--muted);margin:7px 0 12px}
.slider-row input{width:100%;accent-color:#11120f}
.suitability-output{background:var(--ink);color:var(--white);border-radius:18px;padding:28px;min-height:100%;display:flex;flex-direction:column}
.suitability-output .micro{color:var(--signal)}
.suitability-output h3{font-size:38px;line-height:1;margin:28px 0 14px}
.suitability-output p{color:#aeb1a8}
.suitability-output .reason{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);font-size:13px}
.artifact-form{border:1px solid var(--line);border-radius:18px;background:var(--white);overflow:hidden}
.artifact-head{padding:25px;background:var(--ink);color:var(--white)}
.artifact-head .micro{color:var(--signal)}
.artifact-head h3{font-size:32px;margin:12px 0 0}
.artifact-fields{padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font:9px var(--mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:11px;background:var(--paper);padding:12px;color:var(--ink)}
.field textarea{min-height:100px;resize:vertical}
.artifact-actions{padding:0 25px 25px;display:flex;gap:10px;flex-wrap:wrap}
.sample-answer{display:none;margin-top:20px;border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--paper-2)}
.sample-answer.show{display:block}
.sample-answer h4{font-size:20px;margin-bottom:12px}
.sample-answer dl{margin:0}
.sample-answer div{padding:10px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:150px 1fr;gap:16px}
.sample-answer dt{font:9px var(--mono);color:var(--muted)}
.sample-answer dd{margin:0;font-size:13px}
.footer{border-top:1px solid var(--line);padding:30px 0 55px;color:var(--muted);font-size:11px}
.footer .shell{display:flex;justify-content:space-between;gap:25px;align-items:center}
.next-card{padding:45px;border-radius:20px;background:var(--signal);display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.next-card h2{font-size:42px;line-height:1;letter-spacing:-.05em;margin-bottom:12px}
.next-card p{margin:0;color:#45483f}
@media(max-width:900px){
  .hero,.lesson-hero-layout,.exercise-shell,.suitability{grid-template-columns:1fr}
  .lesson-grid{grid-template-columns:1fr}
  .exercise-sidebar{position:static}
  .three-way{grid-template-columns:1fr}
  .loop{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:680px){
  .shell{width:min(100% - 28px,1180px)}
  .nav{display:none}
  .hero{padding:62px 0 78px}
  .hero h1,.lesson-hero h1{font-size:50px}
  .lesson-meta,.artifact-fields{grid-template-columns:1fr}
  .lesson-meta div{border-right:0!important}
  .lesson-meta div:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .lesson-meta div:last-child{border-bottom:0}
  .choice-grid,.scenario-facts{grid-template-columns:1fr}
  .loop{grid-template-columns:1fr 1fr}
  .next-card{grid-template-columns:1fr;padding:30px}
  .footer .shell{align-items:flex-start;flex-direction:column}
  .artifact-fields .full{grid-column:auto}
}


/* ---- Lessons 02–04 additions ---- */
.boundary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.boundary-card{border:1px solid var(--line);border-radius:16px;background:var(--white);padding:22px;min-height:205px}
.boundary-card .micro{color:var(--signal-dark)}
.boundary-card h3{font-size:25px;margin:28px 0 8px}
.boundary-card p{font-size:13px;color:var(--muted)}
.boundary-card textarea{width:100%;min-height:84px;margin-top:12px;border:1px solid var(--line);border-radius:10px;padding:11px;background:var(--paper)}
.boundary-map{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:12px;align-items:stretch;margin-top:30px}
.boundary-node{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--white)}
.boundary-node.core{background:var(--ink);color:var(--white)}
.boundary-node.core .micro{color:var(--signal)}
.boundary-node ul{padding-left:18px;color:var(--muted);font-size:13px}
.boundary-node.core ul{color:#b8bbb3}
.boundary-test{display:grid;gap:12px}
.boundary-case{border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px}
.boundary-case .case-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}
.mini-btn{border:1px solid rgba(255,255,255,.22);border-radius:999px;background:transparent;color:var(--white);padding:9px 13px;cursor:pointer;font-size:12px}
.mini-btn.selected{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.boundary-feedback{display:none;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#c6c8c1}
.boundary-feedback.show{display:block}

.authority-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.authority-table th,.authority-table td{padding:15px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.authority-table th{font:9px var(--mono);letter-spacing:.08em;color:var(--muted);background:var(--paper-2)}
.authority-table tr:last-child td{border-bottom:0}
.authority-table td:first-child{font-weight:700;width:20%}
.authority-table select{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--paper);padding:8px}
.authority-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.authority-summary article{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--white)}
.authority-summary span{font:8px var(--mono);color:var(--muted)}
.authority-summary strong{display:block;margin-top:7px;font-size:25px}
.risk-badge{display:inline-flex;border-radius:999px;padding:6px 9px;font:8px var(--mono);letter-spacing:.06em}
.risk-low{background:#eef5d3}
.risk-medium{background:#f1e6bf}
.risk-high{background:#efd2c9}
.budget-exercise{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
.budget-panel{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:24px}
.budget-panel h3{font-size:27px}
.budget-panel p{color:#acafa7;font-size:13px}
.budget-meter{height:12px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;margin:18px 0}
.budget-fill{height:100%;width:0;background:var(--signal);transition:width .2s}
.budget-line{display:flex;justify-content:space-between;padding:11px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px}

.loop-builder{display:grid;grid-template-columns:.72fr 1.28fr;gap:22px}
.loop-controls{border:1px solid var(--line);border-radius:16px;background:var(--white);padding:22px}
.loop-control{padding:15px 0;border-bottom:1px solid var(--line)}
.loop-control:last-child{border-bottom:0}
.loop-control label{display:flex;justify-content:space-between;gap:12px;font-weight:700}
.loop-control p{font-size:12px;color:var(--muted);margin:6px 0 10px}
.loop-control select,.loop-control input{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--paper);padding:9px}
.loop-canvas{background:var(--ink);color:var(--white);border-radius:18px;padding:25px;min-height:520px}
.loop-canvas .micro{color:var(--signal)}
.loop-stage{border:1px solid rgba(255,255,255,.14);border-radius:13px;padding:15px;margin-top:10px;display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center}
.loop-stage .idx{font:10px var(--mono);color:var(--signal)}
.loop-stage small{color:#989b92}
.loop-arrow{text-align:center;color:var(--signal);font-size:20px;margin:3px 0}
.loop-stage.stop{border-color:var(--signal);background:rgba(215,255,56,.05)}
.loop-sim{display:grid;gap:12px}
.sim-step{border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px}
.sim-step strong{display:block}
.sim-step p{font-size:13px;color:#b8bbb3;margin:8px 0 0}
.sim-step .decision{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.sim-btn{border:1px solid rgba(255,255,255,.22);background:transparent;color:white;padding:8px 11px;border-radius:999px;cursor:pointer;font-size:12px}
.sim-btn.selected{background:var(--signal);color:var(--ink);border-color:var(--signal)}

@media(max-width:900px){
  .boundary-grid,.boundary-map,.budget-exercise,.loop-builder,.authority-summary{grid-template-columns:1fr}
}
@media(max-width:680px){
  .authority-table{font-size:12px}
  .authority-table th,.authority-table td{padding:10px 8px}
}

/* ---- Lessons 05–07 additions ---- */
.tool-contract-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.tool-card{border:1px solid var(--line);border-radius:16px;background:var(--white);padding:22px;min-height:235px}
.tool-card .micro{color:var(--signal-dark)} .tool-card h3{font-size:25px;margin:30px 0 8px}.tool-card p{font-size:13px;color:var(--muted)}
.schema-box{background:var(--ink);color:var(--white);border-radius:16px;padding:20px;font:12px/1.65 var(--mono);white-space:pre-wrap;overflow:auto}.schema-box .signal-line{color:var(--signal)}
.tool-lab{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.tool-selector{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px}
.tool-selector h3{font-size:26px}.tool-selector p{font-size:13px;color:#aeb1a8}.tool-selector button{width:100%;text-align:left;margin-top:8px}
.tool-test-list{display:grid;gap:12px}.tool-test{border:1px solid rgba(255,255,255,.14);border-radius:15px;padding:18px}.tool-test h4{margin:0 0 8px}.tool-test p{font-size:13px;color:#b8bbb3}.tool-test .result{margin-top:12px;font:11px var(--mono);color:var(--signal)}
.tool-builder{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tool-preview{background:var(--ink);color:var(--white);border-radius:18px;padding:24px}.tool-preview pre{white-space:pre-wrap;font:11px/1.6 var(--mono);color:#d6d8d1}
.memory-types{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.memory-card{border:1px solid var(--line);border-radius:16px;background:var(--white);padding:20px;min-height:245px}
.memory-card span{font:9px var(--mono);color:var(--signal-dark)}.memory-card h3{font-size:24px;margin:34px 0 8px}.memory-card p{font-size:13px;color:var(--muted)}
.memory-matrix{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--white)}
.memory-matrix th,.memory-matrix td{padding:14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.memory-matrix th{background:var(--paper-2);font:9px var(--mono);color:var(--muted)}
.memory-matrix tr:last-child td{border-bottom:0}.memory-matrix td:first-child{font-weight:700}.memory-matrix select{width:100%;padding:8px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}
.memory-lab{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}.memory-state{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px}
.memory-state h3{font-size:28px}.memory-state p{font-size:13px;color:#aeb1a8}.memory-events{display:grid;gap:10px}.memory-event{border:1px solid rgba(255,255,255,.12);border-radius:13px;padding:14px}
.memory-event strong{display:block}.memory-event small{color:#9da097}.memory-event .case-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.context-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.context-layer{border:1px solid var(--line);border-radius:16px;background:var(--white);padding:22px;min-height:250px}
.context-layer .micro{color:var(--signal-dark)}.context-layer h3{font-size:25px;margin:34px 0 8px}.context-layer p{font-size:13px;color:var(--muted)}
.context-pipeline{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:28px}.context-pipeline div{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--white);min-height:105px}
.context-pipeline span{font:8px var(--mono);color:var(--muted)}.context-pipeline strong{display:block;margin-top:28px;font-size:12px}
.context-lab{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.context-source-list{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px}
.context-source{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1)}.context-source:last-child{border-bottom:0}
.context-source input{margin-top:4px}.context-source small{color:#94978e}.context-preview{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px}
.context-preview h3{font-size:27px}.context-preview pre{white-space:pre-wrap;font:11px/1.6 var(--mono);color:#d9dbd4}.context-budget{height:9px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;margin:14px 0}
.context-budget-fill{height:100%;width:0;background:var(--signal);transition:width .2s}
@media(max-width:900px){.tool-contract-grid,.tool-lab,.tool-builder,.memory-types,.memory-lab,.context-stack,.context-lab{grid-template-columns:1fr}.context-pipeline{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.context-pipeline{grid-template-columns:1fr}}