:root{--paper:#f4f1e8;--card:#fffcf5;--ink:#283b32;--muted:#73796c;--line:#d9ded1;--green:#365e46;--lime:#dce8a9;--orange:#c87945;--soft:#e8eddf;--serif:Georgia,'Times New Roman',serif;--sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--sans)}button,input,select,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer;transition:background-color .15s,scale .08s}button:active{scale:.96}button:disabled{cursor:default;opacity:.45;scale:1}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:4px}[hidden]{display:none!important}header{display:flex;align-items:center;gap:25px;justify-content:space-between;padding:19px 4vw;border-bottom:1px solid var(--line)}.brand{font:22px var(--serif);text-decoration:none;white-space:nowrap}.brand span{color:var(--orange)}.header-note,.local{color:var(--muted);font-size:12px}.appbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 4vw;border-bottom:1px solid var(--line)}nav{display:flex;gap:6px;flex-wrap:wrap}nav button{border:0;border-radius:6px;padding:12px 15px;background:none;font-size:12px;min-height:44px}nav button[aria-pressed=true]{background:var(--ink);color:var(--card)}main{max-width:1400px;margin:auto;padding:35px 4vw 60px}h1,h2,h3,p{margin:0 0 15px}h1{font:clamp(38px,4.5vw,64px)/1.05 var(--serif);letter-spacing:-.045em}h2{font:32px/1.15 var(--serif);letter-spacing:-.025em}h3{font:23px/1.2 var(--serif)}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.16em;font-weight:650}.intro{display:flex;justify-content:space-between;align-items:end;gap:40px;margin:8px 0 27px}.intro .eyebrow{color:var(--orange);margin-bottom:12px}.intro p{max-width:405px;color:var(--muted);font-size:14px}.pill{border:1px solid var(--line);border-radius:30px;padding:5px 12px;font-size:11px;display:inline-block}.layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(290px,1fr);gap:25px}.layout>*{min-width:0}.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.muted{color:var(--muted)}.small,small{font-size:12px}.btn{min-height:44px;border:1px solid var(--line);padding:11px 17px;border-radius:7px;background:var(--card);font-size:13px}.btn:hover{background:var(--soft)}.btn.primary{background:var(--green);border-color:var(--green);color:white}.btn.primary:hover{background:#294a36}.btn.selected{background:var(--ink);color:var(--card);border-color:var(--ink)}.quiet{background:none;border:0;padding:10px 4px;font-size:12px;min-height:44px;text-decoration:underline;text-underline-offset:4px}.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:25px;gap:8px}.steps button{border:0;border-bottom:2px solid var(--line);background:none;text-align:left;padding:12px 5px;font-size:12px;min-height:48px}.steps button[aria-current=step]{border-color:var(--green);color:var(--green);font-weight:650}.steps span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.world{background:#e4ebdc;border:1px solid #ccd6c3;border-radius:12px;overflow:hidden;position:relative}.world-top{padding:16px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:10px;letter-spacing:.12em;text-transform:uppercase}.world svg{display:block;width:100%;height:auto}.world-bottom{padding:10px 22px 17px;font-size:11px;color:#596a54;display:flex;justify-content:space-between;gap:10px}.transport{display:flex;align-items:center;gap:18px;margin:14px 0 20px}.transport label{flex:1;display:flex;align-items:center;gap:12px;font-size:11px}.transport output{white-space:nowrap;font:11px ui-monospace,monospace}.controls{display:grid;grid-template-columns:1fr 1fr;gap:22px}.control label{display:flex;justify-content:space-between;gap:10px;font-size:12px}.control output{font-family:ui-monospace,monospace}.control p{font-size:11px;color:var(--muted);margin:5px 0 0}input[type=range]{accent-color:var(--green);width:100%;min-height:32px;cursor:pointer}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.metrics strong{display:block;font:26px var(--serif)}.metrics span{font-size:10px;color:var(--muted)}.companion{display:flex;gap:13px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:22px}.portrait{height:42px;width:42px;flex:0 0 42px;background:#e5c29a;border:1px solid #c7a67d;border-radius:50% 50% 35% 35%;display:grid;place-items:center;font:23px var(--serif)}.companion .eyebrow{margin:2px 0 6px}.companion p{font:18px/1.5 var(--serif);margin:0}.choices{display:grid;gap:8px;margin-top:15px}.choices .btn{text-align:left}.feedback{padding:15px 17px;border-left:3px solid var(--green);background:var(--soft);font-size:13px;margin:15px 0}.feedback.success{border-color:var(--orange);background:#f4e5cd}.status{font-size:12px;min-height:20px;color:var(--green);margin:10px 0}.skill-card{background:#f3e5c8;border:1px solid #d6c29e;border-radius:5px;padding:19px;rotate:-1deg;margin:22px 0;box-shadow:2px 4px 0 #a48b5620}.skill-card .symbol{font:28px var(--serif);float:right}.skill-card h3{margin:10px 0}.skill-card p{font-size:12px;margin:0}.chart{margin-top:22px;border-top:1px solid var(--line);padding-top:15px}.chart svg{width:100%;display:block}.chart-head{display:flex;gap:20px;align-items:center;justify-content:space-between;font-size:11px}.legend{display:flex;gap:15px;font-size:11px}.legend i{display:inline-block;width:18px;height:3px;vertical-align:middle;margin-right:5px;background:var(--green)}.legend .b{background:var(--orange)}details{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;font-size:12px}summary{cursor:pointer;min-height:32px}.evidence-item{padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.evidence-item b{display:block}.next-row{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:25px}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:24px}.fork-label{display:flex;justify-content:space-between;margin-bottom:15px}.fork-label b{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--green);color:white;font-size:12px}.fork-label.b b{background:var(--orange)}.fork{border-top:4px solid var(--green)}.fork.b{border-top-color:var(--orange)}textarea,select,input[type=text]{width:100%;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:11px;font-size:13px}textarea{resize:vertical;min-height:85px}label.caption{font-size:11px;display:block;margin:18px 0 7px}.stack>*+*{margin-top:18px}.tool-list{display:grid;gap:10px}.tool-list button{display:flex;justify-content:space-between;text-align:left}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.result-grid article{background:var(--soft);padding:15px;border-radius:6px;font-size:12px}.result-grid strong{font:23px var(--serif);display:block;margin:10px 0}.code{font:11px/1.8 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:#263a30;color:#e5eddb;border-radius:7px;padding:18px}.toggle{display:flex;gap:10px;align-items:start;padding:10px 0;font-size:12px}.toggle input{margin-top:5px;accent-color:var(--green)}.empty{border:1px dashed var(--line);padding:20px;color:var(--muted);font-size:12px}.return-lens{background:#293f34;color:#f1eedf;border-radius:10px;padding:22px;margin-top:20px}.return-lens .muted{color:#c1cebb}.return-lens .btn{background:#f4eedc;color:#293f34}.timeline{max-height:260px;overflow:auto}.timeline article{padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.timeline time{font-size:10px;color:var(--muted)}footer{padding:20px 4vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:11px;color:var(--muted)}.skip{position:fixed;top:-100px;left:20px;padding:12px;background:var(--card);z-index:3}.skip:focus{top:10px}.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.proof-tag{display:inline-block;border:1px solid var(--line);padding:4px 8px;border-radius:4px;font-size:10px;margin:4px 3px 4px 0}.help-line{font-size:11px;color:var(--muted);margin-top:12px}
@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr)}.local{display:none}.intro{display:block}.intro p{max-width:650px}.result-grid{grid-template-columns:1fr}.header-note{display:none}.world-bottom{flex-wrap:wrap}}
@media(max-width:760px){header{padding:13px 20px}.appbar{padding:8px 14px}.appbar nav{display:grid;grid-template-columns:1fr 1fr;width:100%}.appbar button{text-align:left;padding:10px;font-size:11px}main{padding:25px 20px 40px}.layout,.twocol{grid-template-columns:1fr}.intro{margin-top:5px}.intro h1{font-size:45px}.steps{gap:4px}.steps button{font-size:10px}.steps span{font-size:8px}.panel{padding:20px}.transport{gap:10px}.transport .btn{padding:10px 12px}.world-top{padding:14px;font-size:9px}.world-bottom{padding:12px 14px}.controls{gap:16px}.metrics strong{font-size:23px}.next-row{align-items:start}.chart-head{align-items:start}footer{padding:20px;display:block}.result-grid{grid-template-columns:1fr 1fr 1fr}.result-grid article{padding:10px;font-size:10px}}
@media(max-width:390px){.controls{grid-template-columns:1fr}.transport{flex-wrap:wrap}.transport label{flex-basis:100%}.result-grid{grid-template-columns:1fr}.brand{font-size:19px}header{gap:10px}.metrics{gap:8px}.steps{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}button:active{scale:1}}