.engine-canvas,.engine-canvas *{box-sizing:border-box}.engine-canvas{--paper:#f5ead5;--ink:#20170f;--line:#5f4931;--muted:#bca98a;--gold:#dea943;--green:#78a76a;border:1px solid var(--line);color:#f8edd9;background:#17110d;border-radius:10px;min-width:0;margin-top:18px;overflow:hidden}.engine-canvas-head{border-bottom:1px solid var(--line);background:#211810;grid-template-columns:minmax(0,1fr) minmax(190px,.42fr);align-items:center;gap:16px;padding:14px 16px;display:grid}.engine-canvas-head>div{min-width:0}.engine-canvas-head span{color:var(--gold);letter-spacing:.08em;font:800 .72rem/1.35 ui-monospace,SFMono-Regular,Consolas,monospace;display:block}.engine-canvas-head b{overflow-wrap:anywhere;margin-top:4px;display:block}.engine-state{border-left:3px solid var(--gold);padding-left:14px}.engine-state b{color:#f0c878;font-size:.9rem}.engine-event-explanation{border-top:1px solid var(--line);background:#211810;grid-template-columns:34px minmax(0,1fr);gap:10px;padding:14px 16px;display:grid}.engine-event-explanation>span{width:30px;height:30px;color:var(--gold);border:1px solid #72593c;border-radius:50%;place-items:center;font:800 .7rem ui-monospace,monospace;display:grid}.engine-event-explanation b{font-size:1rem}.engine-event-explanation p{color:#c4b295;overflow-wrap:anywhere;margin:5px 0 0;font-size:.9rem;line-height:1.5}.protocol-scene{grid-template-columns:minmax(180px,1fr) minmax(190px,.75fr) minmax(180px,1fr);align-items:stretch;gap:14px;padding:16px;display:grid}.protocol-endpoint{background:#241a12;border:1px solid #5c452f;min-width:0}.protocol-endpoint>header{border-bottom:1px solid #513e2c;grid-template-columns:24px minmax(0,1fr);align-items:center;gap:9px;padding:11px;display:grid}.protocol-endpoint>header svg{width:21px;color:var(--gold)}.protocol-endpoint>header b,.protocol-endpoint>header span{overflow-wrap:anywhere;display:block}.protocol-endpoint>header span{color:#ad9a7d;margin-top:2px;font-size:.72rem;line-height:1.35}.protocol-stack{gap:5px;padding:8px;display:grid}.protocol-stack>div{background:#1c1510;border:1px solid #4d3b2a;grid-template-columns:27px minmax(0,1fr) auto;align-items:center;gap:7px;min-width:0;padding:9px;display:grid}.protocol-stack>div>span{color:var(--gold);font:800 .68rem monospace}.protocol-stack b,.protocol-stack small{overflow-wrap:anywhere;display:block}.protocol-stack small{color:#98876d;margin-top:2px;font-size:.65rem;line-height:1.3}.protocol-stack em{color:#c9b89a;overflow-wrap:anywhere;max-width:75px;font:.62rem monospace}.protocol-endpoint.is-active{border-color:var(--gold);box-shadow:0 0 0 1px #dea94355}.protocol-endpoint.is-active .layer-active{background:#302416}.protocol-medium{text-align:center;background:#1c1510;border:1px dashed #665039;flex-direction:column;justify-content:center;align-items:center;min-width:0;padding:12px;display:flex}.protocol-medium>svg{color:#b99355;width:30px}.protocol-medium>span{color:#a58f6f;letter-spacing:.08em;margin:8px 0;font:800 .66rem monospace}.protocol-medium>p{color:#9f8d72;margin:9px 0 0;font-size:.7rem;line-height:1.45}.protocol-message{border:1px solid var(--gold);background:#3a2a17;width:100%;min-width:0;padding:12px 8px}.protocol-message small,.protocol-message b,.protocol-message em{overflow-wrap:anywhere;display:block}.protocol-message small{color:#d4c19f;font-size:.68rem}.protocol-message b{color:#ffd781;margin:5px 0;font-size:.88rem}.protocol-message em{color:#bca47e;font:.64rem monospace}.protocol-message.is-changed{background:#432219;border-color:#d36f52}.protocol-route{grid-template-columns:repeat(3,1fr);gap:4px;width:100%;margin-top:10px;display:grid}.protocol-route i{background:linear-gradient(90deg,#614a31,var(--gold));border-radius:3px;height:4px}.request-scene{padding:16px}.request-track{align-items:stretch;gap:5px;padding-bottom:7px;display:flex;overflow-x:auto}.request-hop-wrap{flex:1;align-items:center;gap:5px;min-width:145px;display:flex}.request-hop-wrap>svg{color:#715a3e;width:16px;min-width:16px}.request-hop-wrap article{background:#241a12;border:1px solid #54412d;flex:1;grid-template-columns:28px minmax(0,1fr) 18px;align-items:center;gap:7px;min-width:0;padding:11px;display:grid}.request-hop-wrap article>span{color:#aa9069;font:800 .65rem monospace}.request-hop-wrap b,.request-hop-wrap small{overflow-wrap:anywhere;display:block}.request-hop-wrap small{color:#a7977d;margin-top:3px;font-size:.68rem;line-height:1.35}.request-hop-wrap article.is-source{border-left:4px solid var(--gold)}.request-hop-wrap article.is-target{border-color:var(--green);background:#2c361f}.request-hop-wrap article>svg{width:17px;color:var(--green)}.request-trace{border:1px solid #51402d;margin-top:14px}.request-trace header{background:#2a2017;align-items:center;gap:8px;padding:9px 11px;display:flex}.request-trace header svg{width:16px;color:var(--gold)}.request-trace header span{color:#af9c7f;margin-left:auto;font-size:.7rem}.request-trace>div{border-top:1px solid #493827;grid-template-columns:26px minmax(0,1fr) minmax(90px,.55fr);align-items:center;gap:8px;padding:8px 11px;display:grid}.request-trace>div span{color:#9c8564;font:800 .65rem monospace}.request-trace>div small{text-align:right;color:#ad9a7d;overflow-wrap:anywhere}.request-trace>div.current{box-shadow:inset 4px 0 var(--gold);background:#332719}.request-trace>div.complete b{color:#9fa98a}.memory-scene{grid-template-columns:minmax(0,1.5fr) minmax(240px,.75fr);gap:14px;padding:16px;display:grid}.memory-addresses{grid-template-columns:repeat(auto-fit,minmax(135px,1fr));align-content:start;gap:7px;display:grid}.memory-addresses article{background:#241a12;border:1px solid #56412d;flex-direction:column;align-items:flex-start;min-width:0;min-height:118px;padding:11px;display:flex}.memory-addresses article>span{color:#a9916e;font:800 .62rem monospace}.memory-addresses article>svg{color:#94703e;width:18px;margin:12px 0 6px}.memory-addresses b,.memory-addresses small{overflow-wrap:anywhere}.memory-addresses small{color:#a9987c;margin-top:4px;font-size:.68rem;line-height:1.35}.memory-addresses article.is-source{border-top:4px solid var(--gold)}.memory-addresses article.is-target{border-color:var(--green);background:#34351f}.memory-addresses article.is-internal{box-shadow:inset 0 0 0 2px var(--gold)}.memory-relations{background:#201810;border:1px solid #54412e;min-width:0;padding:11px}.memory-relations header{border-bottom:1px solid #4e3c2a;align-items:center;gap:7px;padding-bottom:9px;display:flex}.memory-relations header svg{width:18px;color:var(--gold)}.memory-relations>div{gap:5px;margin-top:9px;display:grid}.memory-relations>div>span{border:1px solid #493827;grid-template-columns:minmax(0,1fr) 17px minmax(0,1fr);align-items:center;gap:5px;min-width:0;padding:7px;display:grid}.memory-relations>div>span b{overflow-wrap:anywhere;font-size:.7rem}.memory-relations>div>span svg{color:#947a55;width:14px}.memory-relations>div>span small{color:#a9916e;grid-column:1/-1}.memory-relations>div>span.active{border-color:var(--gold);background:#352719}.memory-relations>p{color:#aa987a;font-size:.7rem;line-height:1.45}.tree-scene{text-align:center;padding:16px}.tree-level{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.tree-level article{background:#241a12;border:1px solid #59442e;flex-direction:column;justify-content:center;width:min(170px,50% - 5px);min-width:120px;min-height:76px;padding:9px;display:flex}.tree-level article>span{color:#a98f68;font:800 .6rem monospace}.tree-level article b,.tree-level article small{overflow-wrap:anywhere;display:block}.tree-level article b{margin-top:4px}.tree-level article small{color:#a7977c;margin-top:3px;font-size:.66rem;line-height:1.3}.tree-level article.is-source{border-color:var(--gold)}.tree-level article.is-target{border-color:var(--green);background:#34351f;box-shadow:0 0 0 2px #78a76a33}.tree-connector{grid-template-columns:1fr 22px 1fr;align-items:center;width:min(460px,80%);height:30px;margin:auto;display:grid}.tree-connector i{background:#5f4b35;height:1px}.tree-connector svg{color:#977c56;width:18px}.tree-scene.is-changed .tree-level{justify-content:flex-start}.tree-decision{text-align:left;background:#211810;border:1px solid #5a452f;align-items:center;gap:8px;margin-top:10px;padding:9px 13px;display:inline-flex}.tree-decision svg{width:18px;color:var(--gold)}.tree-decision b,.tree-decision small{display:block}.tree-decision small{color:#ad9a7e;margin-top:2px}.execution-scene{grid-template-columns:minmax(0,1.15fr) minmax(240px,.85fr);gap:14px;padding:16px;display:grid}.execution-code,.execution-stack{background:#201810;border:1px solid #55412d;min-width:0}.execution-code header,.execution-stack header{background:#292017;border-bottom:1px solid #4d3b2a;align-items:center;gap:8px;padding:10px 11px;display:flex}.execution-code header svg,.execution-stack header svg{width:18px;color:var(--gold)}.execution-stack header small{color:#a99475;margin-left:auto}.execution-code>div{color:#7f715f;border-top:1px solid #443426;grid-template-columns:34px minmax(0,1fr);gap:8px;padding:9px 11px;display:grid}.execution-code>div span{font:800 .65rem monospace}.execution-code code{white-space:normal;overflow-wrap:anywhere}.execution-code>div.done{color:#9eaa8b}.execution-code>div.active{color:#ffd47c;box-shadow:inset 4px 0 var(--gold);background:#3a2a18}.execution-stack>div{flex-direction:column;padding:9px;display:flex}.execution-stack article{background:#251b13;border:1px solid #58432e;min-width:0;padding:9px}.execution-stack article+article{margin-top:-1px}.execution-stack article span{color:#a9916c;font:800 .6rem monospace}.execution-stack article b,.execution-stack article small{overflow-wrap:anywhere;display:block}.execution-stack article small{color:#9e8d72;margin-top:3px;font-size:.68rem}.execution-stack article.active{border-color:var(--gold);background:#392918}.execution-stack.is-changed article.active{border-color:#d36f52}.concurrency-scene{padding:16px;overflow-x:auto}.timeline-axis,.timeline-lane{align-items:stretch;min-width:650px;display:grid}.timeline-axis>b,.timeline-axis>span{color:#ae9876;text-align:center;border-bottom:1px solid #5a452f;padding:7px;font:800 .63rem monospace}.timeline-axis>b{text-align:left}.timeline-lane header{background:#241a12;border-bottom:1px solid #493827;min-width:0;padding:8px}.timeline-lane header b,.timeline-lane header small{overflow-wrap:anywhere;display:block}.timeline-lane header small{color:#9e8e74;margin-top:2px;font-size:.65rem}.timeline-lane>span{border-bottom:1px solid #443427;border-left:1px solid #443427;place-items:center;min-height:52px;display:grid}.timeline-lane>span i{background:#493827;border-radius:50%;width:5px;height:5px}.timeline-lane>span svg{color:#857150;width:18px}.timeline-lane>span.participates{background:#2a2117}.timeline-lane>span.active{box-shadow:inset 0 -4px var(--gold);background:#4a351a}.timeline-lane>span.active svg{color:#f2c76f}.timeline-note{color:#bba98d;border:1px solid #54412e;align-items:center;gap:8px;min-width:650px;margin:10px 0 0;padding:9px;display:flex}.timeline-note svg{width:17px;color:var(--gold)}.distributed-scene{grid-template-columns:minmax(0,1.3fr) minmax(240px,.7fr);gap:14px;padding:16px;display:grid}.service-grid{grid-template-columns:repeat(auto-fit,minmax(145px,1fr));align-content:start;gap:8px;display:grid}.service-grid article{background:#241a12;border:1px solid #57422e;flex-direction:column;align-items:flex-start;min-width:0;min-height:135px;padding:11px;display:flex}.service-grid article>svg{color:#a6824e;width:21px}.service-grid article>span{color:#9a8462;text-transform:uppercase;margin-top:10px;font:800 .6rem monospace}.service-grid article b,.service-grid article small{overflow-wrap:anywhere}.service-grid article small{color:#a8977a;margin-top:4px;font-size:.68rem;line-height:1.35}.service-grid article em{color:#87a778;margin-top:auto;padding-top:8px;font:.64rem monospace}.service-grid article.is-source{border-top:4px solid var(--gold)}.service-grid article.is-target{border-color:var(--green);background:#30351f}.distributed-ledger{background:#201810;border:1px solid #54412e;min-width:0}.distributed-ledger header{border-bottom:1px solid #493827;align-items:center;gap:8px;padding:10px;display:flex}.distributed-ledger header svg{width:17px;color:var(--gold)}.distributed-ledger>div{border-bottom:1px solid #443427;grid-template-columns:24px minmax(0,1fr) 15px minmax(0,1fr);align-items:center;gap:5px;padding:8px;display:grid}.distributed-ledger>div span{color:#9f8766;font:800 .62rem monospace}.distributed-ledger>div b,.distributed-ledger>div small{overflow-wrap:anywhere;font-size:.68rem}.distributed-ledger>div svg{color:#8c7656;width:13px}.distributed-ledger>div small{color:#a79374;grid-column:2/-1}.distributed-ledger>div.active{box-shadow:inset 4px 0 var(--gold);background:#382919}.state-scene{padding:16px}.state-cycle{align-items:stretch;gap:6px;padding-bottom:7px;display:flex;overflow-x:auto}.state-wrap{flex:1;align-items:center;gap:6px;min-width:145px;display:flex}.state-wrap article{background:#241a12;border:1px solid #56422e;flex-direction:column;flex:1;justify-content:center;min-width:0;min-height:105px;padding:10px;display:flex}.state-wrap>svg{color:#7d6748;width:16px;min-width:16px}.state-wrap article span{color:#a78e68;font:800 .61rem monospace}.state-wrap article b,.state-wrap article small{overflow-wrap:anywhere;display:block}.state-wrap article small{color:#a7977b;margin-top:4px;font-size:.68rem;line-height:1.35}.state-wrap article.is-source{border-color:var(--gold)}.state-wrap article.is-target{border-color:var(--green);background:#31361f}.state-transition{background:#211810;border:1px solid #5b462f;align-items:center;gap:10px;width:min(540px,100%);margin:14px auto 0;padding:11px;display:flex}.state-transition>svg{width:20px;color:var(--gold)}.state-transition small,.state-transition b,.state-transition em{overflow-wrap:anywhere;display:block}.state-transition small{color:#a48a63;font:800 .62rem monospace}.state-transition b{margin:3px 0}.state-transition em{color:#b7a587;font:.7rem sans-serif}@media (width<=980px){.protocol-scene{grid-template-columns:1fr 1fr}.protocol-medium{grid-area:2/1/auto/-1}.memory-scene,.execution-scene,.distributed-scene{grid-template-columns:1fr}.memory-relations,.distributed-ledger{max-height:310px;overflow:auto}.engine-canvas-head{grid-template-columns:1fr}.engine-state{border-top:1px solid #56422e;border-left:0;padding:9px 0 0}.request-track,.state-cycle{grid-template-columns:repeat(2,minmax(0,1fr));display:grid;overflow:visible}.request-hop-wrap,.state-wrap{min-width:0}.request-hop-wrap>svg,.state-wrap>svg{display:none}}@media (width<=620px){.engine-canvas{border-radius:6px}.engine-canvas-head,.engine-event-explanation{padding:12px}.protocol-scene{grid-template-columns:1fr;padding:10px}.protocol-medium{grid-area:auto}.protocol-stack{grid-template-columns:1fr 1fr}.protocol-stack>div{grid-template-columns:24px minmax(0,1fr)}.protocol-stack em{grid-column:2}.request-scene,.memory-scene,.tree-scene,.execution-scene,.distributed-scene,.state-scene,.concurrency-scene{padding:10px}.request-track,.state-cycle{grid-template-columns:1fr}.request-hop-wrap,.state-wrap{width:100%}.request-trace>div{grid-template-columns:24px minmax(0,1fr)}.request-trace>div small{text-align:left;grid-column:2}.memory-addresses{grid-template-columns:repeat(2,minmax(0,1fr))}.tree-level article{width:100%;min-width:0}.timeline-axis,.timeline-lane,.timeline-note{min-width:570px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=420px){.protocol-stack,.memory-addresses,.service-grid{grid-template-columns:1fr}.engine-event-explanation{grid-template-columns:28px minmax(0,1fr)}.engine-event-explanation>span{width:26px;height:26px}}@media (prefers-reduced-motion:reduce){.engine-canvas *{transition-duration:.01ms!important;animation-duration:.01ms!important}}.learning-studio{color:#241a10;background:#e9ddc5;border-block:1px solid #aa8b5a;padding:42px max(18px,50vw - 740px)}.studio-head{grid-template-columns:minmax(0,1fr) 220px 44px;align-items:start;gap:28px;margin-bottom:24px;display:grid}.studio-head>div:first-child{max-width:850px}.studio-head>div>span{color:#8d652b;letter-spacing:.12em;font:800 .7rem monospace}.studio-head h2{margin:8px 0;font:700 clamp(2.3rem,4vw,4rem)/1 Georgia,serif}.studio-head p{color:#675944;margin:0;font-size:1rem;line-height:1.55}.studio-head>button{background:#f8f0df;border:1px solid #aa8d62;border-radius:8px;height:42px}.studio-progress>b{font:700 1.8rem Georgia,serif}.studio-progress>span{background:#cabb9d;border-radius:20px;height:7px;margin:6px 0;display:block;overflow:hidden}.studio-progress i{background:#a87320;height:100%;display:block}.studio-progress small{color:#74644d}.studio-shell{background:#1a140e;border:1px solid #9f8255;border-radius:14px;grid-template-columns:230px minmax(0,1fr) minmax(280px,340px);align-items:start;display:grid;overflow:hidden;box-shadow:0 25px 60px #49351f2c}.lesson-map,.learning-panel{color:#2b2115;background:#f5eddd;min-width:0;min-height:690px}.lesson-map{border-right:1px solid #9f8255}.map-title{border-bottom:1px solid #c8b692;gap:10px;padding:19px;display:flex}.map-title svg{color:#a87320;width:20px}.map-title span{flex-direction:column;display:flex}.map-title small{color:#89775c}.lesson-map>button{text-align:left;color:#584a36;background:0 0;border:0;border-bottom:1px solid #d6c7aa;grid-template-columns:30px 1fr;gap:9px;width:100%;padding:13px;display:grid}.lesson-map>button>span{border:1px solid #b7a27e;border-radius:50%;place-items:center;width:27px;height:27px;font:700 .66rem monospace;display:grid}.lesson-map>button>span svg{width:13px}.lesson-map>button div{flex-direction:column;min-width:0;display:flex}.lesson-map>button b{overflow-wrap:anywhere;font-size:.75rem}.lesson-map>button small{color:#927d5d;margin-top:4px;font-size:.62rem}.lesson-map>button.active{color:#fff;background:#332617;box-shadow:inset 4px 0 #d7a84b}.lesson-map>button.active span{color:#e9b955;border-color:#d7a84b}.lesson-map>button.done:not(.active)>span{color:#fff;background:#a87320}.studio-workspace{color:#fff;min-width:0;padding:22px}.scene-head>span{color:#d7a84b;letter-spacing:.1em;font:800 .68rem monospace}.scene-head h3{margin:7px 0;font:700 1.7rem Georgia,serif}.scene-head p{color:#c7b89e;min-height:48px;margin:0;line-height:1.5}.studio-workspace .engine{min-height:450px}.studio-controls{flex-wrap:wrap;gap:7px;margin-top:14px;display:flex}.studio-controls button{color:#fff;background:#2d2217;border:1px solid #685137;border-radius:7px;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:0 12px;display:flex}.studio-controls button:disabled{opacity:.35}.studio-controls svg{width:15px}.studio-controls .primary{color:#23180e;background:#d7a84b;border-color:#d7a84b;font-weight:800}.learning-panel{border-left:1px solid #9f8255}.mode-tabs{border-bottom:1px solid #bda77f;grid-template-columns:repeat(4,1fr);display:grid}.mode-tabs button{text-transform:capitalize;color:#766246;background:#e9deca;border:0;border-right:1px solid #d0bea0;padding:12px 4px;font-size:.64rem}.mode-tabs button.active{color:#7e5419;background:#fff8e9;font-weight:800;box-shadow:inset 0 -3px #b27b27}.panel-content{flex-direction:column;align-items:flex-start;padding:25px;display:flex}.panel-content>svg{color:#a87320;width:27px;margin-bottom:16px}.panel-content>span{color:#936923;letter-spacing:.08em;font:800 .67rem monospace}.panel-content h3{margin:10px 0;font:700 1.55rem/1.1 Georgia,serif}.panel-content p{color:#655642;line-height:1.6}.panel-content>button{color:#fff;background:#332617;border:1px solid #9d7740;border-radius:7px;align-items:center;gap:7px;padding:12px 14px;display:flex}.panel-content>button svg{width:15px}.panel-content>small{color:#806f56;margin-top:13px;line-height:1.45}.truth{background:#e7dac1;border-left:3px solid #a87320;margin:13px 0 20px;padding:13px}.truth p{margin:5px 0;font-size:.78rem}.answer-list{gap:8px;width:100%;margin:12px 0;display:grid}.answer-list button{text-align:left;color:#3a2c1b;background:#fff8e9;border:1px solid #b49c75;grid-template-columns:27px 1fr 18px;align-items:center;gap:7px;width:100%;min-height:52px;padding:9px;display:grid}.answer-list i{border:1px solid #b9a47f;border-radius:50%;place-items:center;width:25px;height:25px;display:grid}.answer-list svg{width:16px}.answer-list button.correct{background:#e2f0df;border-color:#488e5a}.answer-list button.wrong{background:#f4ded7;border-color:#ba574a}.feedback{background:#f1dcd5;border-left:3px solid #b65142;padding:10px;font-size:.76rem}.feedback.good{background:#e1eddd;border-color:#4c8c56}.panel-content textarea{resize:vertical;width:100%;min-height:130px;font:inherit;background:#fffaf0;border:1px solid #ad956d;margin:10px 0 14px;padding:12px}.experiment-on{background:#8b4d2d!important}.review dl{margin:8px 0 20px}.review dl div{border-top:1px solid #cdbb9d;padding:10px 0}.review dt{color:#946b29;font:800 .65rem monospace}.review dd{color:#655642;margin:5px 0;font-size:.8rem;line-height:1.45}@media (width<=1180px){.studio-shell{grid-template-columns:190px minmax(0,1fr)}.learning-panel{border-top:1px solid #9f8255;border-left:0;grid-column:1/-1;min-height:auto}.panel-content{min-height:360px}.studio-progress{display:none}}@media (width<=760px){.learning-studio{padding:28px 12px}.studio-head{grid-template-columns:1fr 42px}.studio-head h2{font-size:2.25rem}.studio-shell{flex-direction:column;display:flex}.lesson-map,.learning-panel,.studio-workspace{width:100%;min-height:auto}.lesson-map{border-bottom:1px solid #9f8255;border-right:0;display:flex;overflow:auto}.map-title{display:none}.lesson-map>button{border-right:1px solid #d6c7aa;min-width:155px}.studio-workspace{padding:15px}.studio-controls button{flex:120px}.mode-tabs{position:sticky;top:0}.panel-content{min-height:0}.studio-workspace .engine{min-height:520px}}.generated-lesson,.generated-lesson *{box-sizing:border-box}.generated-lesson{color:#21170f;background:#efe7d6;min-width:320px;min-height:100vh;padding-bottom:70px;font-family:Inter,ui-sans-serif,system-ui,sans-serif}.generated-lesson button,.generated-lesson input{font:inherit}.generated-topbar{background:#fffaf0;border-bottom:1px solid #bca985;grid-template-columns:minmax(120px,1fr) minmax(300px,760px) minmax(120px,1fr);align-items:center;gap:18px;min-height:76px;padding:12px max(20px,50vw - 640px);display:grid}.generated-topbar>button{color:#21170f;background:0 0;border:0;justify-self:start;align-items:center;gap:7px;font-weight:800;display:inline-flex}.generated-topbar svg{width:18px}.generated-topbar>div:nth-child(2){text-align:center;min-width:0}.generated-topbar>div:nth-child(2)>span,.generated-intro>div>span,.generated-workbench>header span,.generated-transfer span{color:#8d6223;letter-spacing:.08em;font:800 .7rem/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;display:block}.generated-topbar h1{margin:3px 0 0;font:700 clamp(1.16rem,2vw,1.5rem)/1.2 Georgia,serif}.generated-draft-label{color:#906522;justify-self:end;align-items:center;gap:6px;font-size:.78rem;font-weight:800;display:flex}.generated-intro,.generated-workbench,.generated-reading{width:min(1280px,100% - 40px);margin-inline:auto}.generated-intro{background:#bca985;border:1px solid #bca985;grid-template-columns:1fr 1fr;gap:1px;margin-top:18px;display:grid}.generated-intro>div{background:#f8f0e1;min-width:0;padding:18px}.generated-intro>div:last-child{grid-template-columns:26px minmax(0,1fr);gap:10px;display:grid}.generated-intro svg{color:#9a6b24;width:22px}.generated-intro p{color:#62533e;margin:7px 0 0;font-size:.96rem;line-height:1.55}.generated-workbench{color:#f8edd9;background:#17110d;border:1px solid #4e3c2a;margin-top:14px}.generated-workbench>header{border-bottom:1px solid #4e3c2a;grid-template-columns:minmax(0,1fr) minmax(190px,.35fr);align-items:center;gap:20px;padding:18px;display:grid}.generated-workbench h2{margin:5px 0 7px;font:700 clamp(1.5rem,3vw,2.15rem)/1.1 Georgia,serif}.generated-workbench header p{color:#bbaa8e;margin:0;line-height:1.55}.generated-workbench header aside{background:#2b2016;border-left:3px solid #d7a84b;min-width:0;padding:13px}.generated-workbench header aside b{color:#efc36c;overflow-wrap:anywhere;margin-top:5px;display:block}.generated-workbench header aside small{color:#ad9b7e;margin-top:5px;font-size:.72rem;line-height:1.4;display:block}.generated-engine-host{min-width:0;padding:0 14px 14px}.generated-event-rail{grid-auto-columns:minmax(150px,1fr);grid-auto-flow:column;gap:1px;padding:0 14px 12px;display:grid;overflow-x:auto}.generated-event-rail button{text-align:left;color:#b8a689;background:#241a12;border:1px solid #57432e;grid-template-columns:25px minmax(0,1fr);align-content:center;gap:5px 8px;min-width:0;min-height:70px;padding:9px;display:grid}.generated-event-rail button>span{color:#a88d65;grid-row:1/3;font:800 .65rem ui-monospace,monospace}.generated-event-rail button b,.generated-event-rail button small{overflow-wrap:anywhere}.generated-event-rail button small{color:#928169;font-size:.67rem}.generated-event-rail button.complete{border-color:#637557}.generated-event-rail button.active{color:#ffd27a;background:#3a2a18;border-color:#d7a84b;box-shadow:inset 0 -4px #d7a84b}.generated-stage{padding:18px}.generated-actors{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px;display:grid}.generated-actors article{background:#241a12;border:1px solid #59442e;grid-template-columns:30px minmax(0,1fr);align-content:center;gap:9px;min-width:0;min-height:100px;padding:13px;display:grid}.generated-actors article>span{color:#bdaa8e;border:1px solid #6d5438;border-radius:50%;place-items:center;width:28px;height:28px;font:.65rem ui-monospace,SFMono-Regular,Consolas,monospace;display:grid}.generated-actors h3{overflow-wrap:anywhere;margin:0;font:700 1rem Georgia,serif}.generated-actors p{color:#a9987c;margin:5px 0 0;font-size:.7rem;line-height:1.4}.generated-actors article.source{box-shadow:inset 4px 0 #d7a84b}.generated-actors article.target{background:#313520;box-shadow:inset -4px 0 #77a764}.generated-transfer{text-align:center;border-block:1px dashed #645039;grid-template-columns:minmax(110px,.7fr) 28px minmax(160px,1fr) 28px minmax(110px,.7fr);align-items:center;gap:8px;margin-top:16px;padding:15px;display:grid}.generated-transfer>div{min-width:0}.generated-transfer b,.generated-transfer strong{overflow-wrap:anywhere;display:block}.generated-transfer b{margin-top:4px}.generated-transfer strong{color:#21170f;background:#d7a84b;padding:12px}.generated-transfer svg{color:#9d8258;justify-self:center;width:20px}.generated-controls{background:#21170f;border-top:1px solid #4e3c2a;grid-template-columns:repeat(4,auto) minmax(130px,1fr) auto;align-items:center;gap:7px;padding:10px;display:grid}.generated-controls button{color:#f8edd9;background:#312318;border:1px solid #6a5035;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:0 12px;display:inline-flex}.generated-controls button.primary{color:#21170f;background:#d7a84b;border-color:#d7a84b;font-weight:800}.generated-controls button:disabled{opacity:.35}.generated-controls svg{width:16px}.generated-controls input{accent-color:#d7a84b;width:100%}.generated-speed{color:#c2b092;grid-template-columns:17px auto auto;align-items:center;gap:6px;font-size:.75rem;display:grid}.generated-speed svg{width:16px}.generated-speed select{color:#f8edd9;background:#312318;border:1px solid #6a5035;min-height:36px}.generated-reading{grid-template-columns:minmax(0,1fr) 320px;gap:50px;margin-top:36px;display:grid}.generated-reading article>section{border-bottom:1px solid #bca985;grid-template-columns:42px minmax(0,1fr);gap:12px;padding:25px 0;display:grid}.generated-reading article>section>span{color:#986b24;font:800 .7rem ui-monospace,SFMono-Regular,Consolas,monospace}.generated-reading h2{margin:0 0 9px;font:700 1.45rem Georgia,serif}.generated-reading p,.generated-reading dd{color:#61523f;line-height:1.65}.generated-reading article p{margin:0}.generated-reading>aside{background:#f8f0e1;border:1px solid #bca985;align-self:start;padding:20px}.generated-reading dl{border-top:1px solid #caba9c;margin:0;padding:12px 0}.generated-reading dt{font-weight:800}.generated-reading dd{margin:4px 0 0;font-size:.82rem}.generated-reading aside>p{grid-template-columns:24px minmax(0,1fr);gap:8px;margin:10px 0;font-size:.82rem;display:grid}.generated-reading aside>p b{color:#96681f}.generated-lesson .sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=760px){.generated-topbar{grid-template-columns:auto minmax(0,1fr) auto;padding-inline:14px}.generated-topbar button span,.generated-draft-label span{display:none}.generated-intro,.generated-workbench,.generated-reading{width:min(100% - 24px,1280px)}.generated-intro,.generated-reading,.generated-workbench>header,.generated-transfer{grid-template-columns:1fr}.generated-transfer svg{transform:rotate(90deg)}.generated-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.generated-controls label{grid-column:1/-1}.generated-event-rail{grid-auto-columns:minmax(135px,75vw)}}@media (prefers-reduced-motion:reduce){.generated-lesson *,.generated-lesson :before,.generated-lesson :after{transition-duration:.01ms!important;animation-duration:.01ms!important}}:root{color:#20170f;font-synthesis:none;background:#efe7d6;font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0}button,input{font:inherit}button,a{cursor:pointer}.v2-home{background:#efe7d6;min-height:100vh}.v2-nav{z-index:20;background:#f7f0e1;border-bottom:1px solid #bda987;justify-content:space-between;align-items:center;height:74px;padding:0 max(24px,50vw - 640px);display:flex;position:sticky;top:0}.v2-brand{color:#20170f;align-items:center;gap:10px;text-decoration:none;display:flex}.v2-brand>span{color:#e7b957;background:#302217;border-radius:7px;place-items:center;width:38px;height:38px;display:grid}.v2-brand svg{width:20px}.v2-brand b{font:700 1.25rem Georgia,serif}.v2-brand small{color:#9b6b25;margin-left:7px}.v2-nav nav{gap:26px;display:flex}.v2-nav nav a{color:#685943;font-size:.9rem;text-decoration:none}.v2-hero{background:linear-gradient(100deg,#f5eddd 0 61%,#e2d2b5 61%);border-bottom:1px solid #bda987;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);align-items:center;gap:70px;min-height:620px;padding:85px max(24px,50vw - 640px);display:grid}.eyebrow{letter-spacing:.13em;color:#946922;font:800 .72rem monospace}.v2-hero h1{letter-spacing:-.07em;margin:17px 0 28px;font:700 clamp(4rem,7vw,7rem)/.87 Georgia,serif}.v2-hero h1 em{color:#9b6923;font-weight:400}.lead{color:#655742;max-width:670px;font-size:1.1rem;line-height:1.65}.v2-hero form{background:#fffaf0;border:1px solid #927647;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:10px;max-width:720px;height:64px;padding:7px 7px 7px 17px;display:grid;box-shadow:8px 9px #9b743728}.v2-hero form>svg{color:#8b7554;width:20px}.v2-hero input,.library-search input{background:0 0;border:0;outline:0;min-width:0}.v2-hero form button{color:#fff5e2;background:#302217;border:0;align-items:center;gap:8px;height:48px;padding:0 18px;display:flex}.v2-hero form button svg{width:18px}.quick{color:#7c6b51;flex-wrap:wrap;align-items:center;gap:7px;margin-top:14px;font-size:.78rem;display:flex}.quick button{color:#76531f;background:0 0;border:0;text-decoration:underline}.v2-error{color:#9f3e32}.book-map{place-items:center;height:470px;display:grid;position:relative}.book-core{color:#f6e9cf;background:#302217;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:190px;height:190px;display:flex;box-shadow:0 0 0 22px #b4864030,0 0 0 55px #9a73321c}.book-core svg{color:#e3b755;width:38px}.book-core b{margin-top:9px;font:700 1.7rem Georgia,serif}.book-core small{color:#cdbb9a}.book-step{background:#fff8e9;border:1px solid #aa8d5e;min-width:118px;padding:13px;font-weight:700;position:absolute;box-shadow:5px 6px #82602122}.book-step i{color:#fff;background:#a66f22;border-radius:50%;place-items:center;width:25px;height:25px;margin-right:8px;font-style:normal;display:inline-grid}.book-step.s1{top:25px;left:15%}.book-step.s2{top:25px;right:8%}.book-step.s3{bottom:20px;right:5%}.book-step.s4{bottom:20px;left:10%}.method{background:#bda987;grid-template-columns:repeat(4,1fr);gap:1px;max-width:1280px;margin:auto;padding:65px 24px;display:grid}.method article{background:#f8f1e2;padding:27px}.method article>b{color:#a6742b;font:700 .7rem monospace}.method h2{margin:25px 0 8px;font:700 1.5rem Georgia,serif}.method p{color:#6d5d46;line-height:1.55}.v2-library{color:#f8f0e0;background:#231a12;padding:80px max(24px,50vw - 640px)}.library-copy{max-width:700px}.library-copy h2{margin:10px 0;font:700 clamp(2.5rem,4vw,4.5rem)/1 Georgia,serif}.library-copy>p:last-child{color:#b9a98e;line-height:1.6}.library-search{background:#18110c;border:1px solid #675137;align-items:center;gap:10px;max-width:420px;height:50px;margin:30px 0;padding:0 14px;display:flex}.library-search svg{color:#d7a84b;width:18px}.library-search input{color:#fff;width:100%}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.course-grid>button{text-align:left;color:#f5ead7;background:#2c2117;border:1px solid #614b31;flex-direction:column;min-width:0;min-height:270px;padding:22px;display:flex}.course-grid>button:hover{border-color:#d2a64e;transform:translateY(-3px)}.course-grid>button>span{color:#d7a84b;font:700 .68rem monospace}.course-grid small{color:#aa916a;text-transform:uppercase;margin-top:28px;font-weight:800}.course-grid h3{margin:6px 0;font:700 1.45rem Georgia,serif}.course-grid p{color:#baa98e;flex:1;font-size:.82rem;line-height:1.55}.course-grid footer{color:#d9b361;border-top:1px solid #56432e;justify-content:space-between;align-items:center;padding-top:13px;display:flex}.course-grid footer svg{width:17px}.empty{text-align:center;border:1px solid #604b31;padding:45px}.empty svg{color:#d7a84b}.empty button{background:#d7a84b;border:0;padding:12px 16px}.v2-footer{border-top:1px solid #bda987;justify-content:space-between;align-items:center;padding:30px max(24px,50vw - 640px);display:flex}.reading{color:#251a10;background:#efe7d6;min-height:100vh;padding:70px max(24px,50vw - 550px)}.reading>header{max-width:800px}.reading>header button{color:#76531f;background:0 0;border:0;gap:6px;display:flex}.reading>header button svg{width:16px}.reading>header>span{color:#986b24;margin-top:50px;font:800 .7rem monospace;display:block}.reading h1{margin:12px 0;font:700 clamp(3rem,6vw,6rem)/.95 Georgia,serif}.reading>header>p{color:#62533e;font-size:1.15rem;line-height:1.6}.reading-grid{grid-template-columns:minmax(0,1fr) 310px;gap:60px;margin-top:50px;display:grid}.analogy{background:#ddcba9;gap:15px;padding:22px;display:flex}.analogy svg{width:25px}.analogy p{margin:6px 0;line-height:1.55}.reading-grid article>section{border-bottom:1px solid #bba580;grid-template-columns:44px 1fr;gap:15px;padding:35px 0;display:grid}.reading-grid article>section>span{color:#986b24;font:700 .75rem monospace}.reading-grid h2{margin:0 0 10px;font:700 1.6rem Georgia,serif}.reading-grid p{color:#60513c;line-height:1.7}.reading-grid aside{background:#f8f0df;border:1px solid #b7a075;align-self:start;padding:24px}.reading-grid dl{border-top:1px solid #ccb996;padding-top:12px}.reading-grid dt{font-weight:800}.reading-grid dd{color:#675943;margin:4px 0 12px;line-height:1.45}.reading-grid aside>p{grid-template-columns:25px 1fr;gap:8px;display:grid}.reading-grid aside>p b{color:#9b6b25}@media (width<=980px){.v2-hero{background:#f5eddd;grid-template-columns:1fr}.book-map{display:none}.method{grid-template-columns:repeat(2,1fr)}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-grid{grid-template-columns:1fr}.reading-grid aside{width:100%}}@media (width<=620px){.v2-nav nav{display:none}.v2-hero{min-height:auto;padding:55px 16px}.v2-hero h1{font-size:3.7rem}.v2-hero form{grid-template-columns:20px minmax(0,1fr) 48px}.v2-hero form button span{display:none}.method,.course-grid{grid-template-columns:1fr}.v2-library{padding:55px 16px}.v2-footer{flex-direction:column;align-items:flex-start;gap:20px}.reading{padding:35px 16px}.reading-grid{gap:25px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation-duration:.001ms!important}}.v2-fatal{text-align:center;color:#f7eedc;background:#20170f;place-content:center;min-height:100vh;padding:30px;display:grid}.v2-fatal h1{font:700 2.5rem Georgia,serif}.v2-fatal p{color:#c7b79b}.library-search>svg:last-child{margin-left:auto;animation:1s linear infinite spin}.saved-lessons{background:#1a130e;border:1px solid #604b31;margin-top:28px}.saved-lessons>header{border-bottom:1px solid #604b31;justify-content:space-between;align-items:end;gap:18px;padding:18px;display:flex}.saved-lessons>header span{color:#d7a84b;letter-spacing:.09em;font:800 .7rem monospace}.saved-lessons>header h3{margin:6px 0 0;font:700 1.4rem Georgia,serif}.saved-lessons>header>small{color:#a89577}.saved-lessons>div{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.saved-lessons>div>button{text-align:left;color:#f4e9d5;background:#261c14;border:1px solid #4d3b29;border-top:0;border-left:0;grid-template-columns:28px minmax(0,1fr) 20px;align-items:center;gap:10px;min-width:0;padding:16px;display:grid}.saved-lessons>div>button:hover{background:#312319}.saved-lessons>div>button>svg{color:#d7a84b;width:19px}.saved-lessons>div>button span{min-width:0}.saved-lessons>div>button small,.saved-lessons>div>button b,.saved-lessons>div>button em{overflow-wrap:anywhere;display:block}.saved-lessons>div>button small{color:#ac936c;font-size:.72rem}.saved-lessons>div>button b{margin:4px 0;font-size:.95rem}.saved-lessons>div>button em{color:#97866c;font:.72rem sans-serif}.course-grid p{font-size:.875rem}@media (width<=620px){.saved-lessons>header{flex-direction:column;align-items:flex-start}.saved-lessons>div{grid-template-columns:1fr}}.engine-browser{color:#24190f;background:#e4d4b7;border-top:1px solid #a98e62;border-bottom:1px solid #a98e62;padding:80px max(24px,50vw - 640px)}.engine-browser>header{grid-template-columns:minmax(0,1fr) minmax(280px,.65fr);align-items:end;gap:50px;margin-bottom:30px;display:grid}.engine-browser>header h2{letter-spacing:-.035em;max-width:760px;margin:9px 0 0;font:700 clamp(2.5rem,4.5vw,4.8rem)/.96 Georgia,serif}.engine-browser>header>p{color:#665641;max-width:480px;margin:0;font-size:1rem;line-height:1.65}.engine-browser>div{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.engine-browser>div>button{text-align:left;color:#281d12;background:#f7eedc;border:1px solid #a1865d;flex-direction:column;align-items:flex-start;min-width:0;min-height:260px;padding:19px;transition:transform .15s,border-color .15s,background .15s;display:flex;box-shadow:4px 5px #896b3b18}.engine-browser>div>button:hover,.engine-browser>div>button:focus-visible{background:#fff8e9;border-color:#7e551d;outline:0;transform:translateY(-4px)}.engine-browser .engine-number{color:#966822;align-self:flex-end;font:800 .68rem monospace}.engine-browser button>svg{color:#9c6d24;width:27px;height:27px;margin:22px 0 15px}.engine-browser h3{overflow-wrap:anywhere;margin:0;font:700 1.25rem/1.15 Georgia,serif}.engine-browser button>p{color:#6c5a43;overflow-wrap:anywhere;margin:9px 0 18px;font-size:.875rem;line-height:1.55}.engine-browser button>footer{color:#84591f;border-top:1px solid #c9b692;justify-content:space-between;align-items:center;gap:10px;width:100%;margin-top:auto;padding-top:12px;font-size:.75rem;font-weight:800;display:flex}.engine-browser footer svg{width:16px;min-width:16px}@media (width<=1040px){.engine-browser>div{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=700px){.engine-browser{padding:55px 16px}.engine-browser>header{grid-template-columns:1fr;gap:18px}.engine-browser>div{grid-template-columns:1fr}.engine-browser>div>button{min-height:220px}}