:root{--ink:#321d37;--purple:#43264b;--paper:#fff6e9;--wash:#f8ead8;--orange:#ae4127;--line:#b89987;--mint:#e1eee1;color:var(--ink);background:var(--wash);font-family:system-ui,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 75% 5%,#ffdbb4,transparent 42rem)}
main{width:min(1180px,calc(100% - 48px));margin:auto;padding:22px 0}
h1,h2,h3,p,figure{margin:0}
button{font:inherit;color:inherit;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:8px 14px;font-weight:700;cursor:pointer}
button:hover:not(:disabled){border-color:var(--ink);box-shadow:0 2px var(--ink)}
button:disabled{cursor:default}
button:focus-visible,summary:focus-visible{outline:3px solid #b43e19;outline-offset:3px}
.mast,.case-top,footer,dialog header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mast{justify-content:flex-start;border-block:2px solid;padding:7px 0;font-weight:800;font-size:.78rem;letter-spacing:.12em}
.mark{font-size:1.4rem;color:var(--orange)}.issue{margin-left:auto}
.title{display:grid;grid-template-columns:1fr minmax(220px,31%);align-items:end;gap:24px;padding:24px 0}
.eyebrow{font-size:.72rem;font-weight:850;letter-spacing:.13em;color:var(--orange)}
h1{font:900 clamp(3.2rem,8.2vw,7.2rem)/.85 Georgia,serif;letter-spacing:-.075em;margin:.14em 0 0}
h1 em{font-weight:700}h1 span{color:var(--orange)}
.intro{display:grid;gap:14px;justify-items:start;font:1.28rem/1.35 Georgia,serif;padding-bottom:5px}
.intro button{font:700 .9rem system-ui}
nav ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0 0 22px;padding:0;list-style:none;gap:6px}
nav li{display:flex;align-items:center;gap:8px;background:#f3dfc8;border:1px solid var(--line);padding:8px 10px;border-radius:6px;font-size:.88rem}
nav li[aria-current]{background:var(--purple);border-color:var(--purple);color:#fff7ec}
nav b{font-size:.74rem}
.spread{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:18px;align-items:start}
.panel{position:relative;background:#d98e60;border:2px solid var(--ink);border-radius:9px;box-shadow:4px 5px var(--ink);overflow:hidden}
.panel img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}
.panel-tag{position:absolute;top:12px;left:12px;background:var(--paper);border:1px solid;padding:4px 7px;font-size:.69rem;letter-spacing:.09em;font-weight:850}
figcaption{font-size:.8rem;padding-top:12px}
.case{border:2px solid var(--ink);border-radius:9px;background:var(--paper);padding:clamp(14px,2vw,25px);box-shadow:4px 5px var(--ink)}
.case-top{font-size:.78rem}h2{font:700 clamp(1.85rem,3.2vw,2.75rem)/1.1 Georgia,serif;margin:8px 0}
.instructions,.evidence p,.reveal p,.demo p{line-height:1.5}
.demo{margin:10px 0 14px;font-size:.9rem}.demo summary{cursor:pointer;width:fit-content;padding:6px 0;font-weight:700}
.evidence,.reveal{padding:12px 15px;border-radius:7px;background:#f8e5d4;border-left:4px solid var(--orange)}
.evidence h3{font:700 1.28rem Georgia,serif;margin:4px 0 8px}.primary{background:var(--purple);color:#fff7ec;border-color:var(--purple)}
.question{font-weight:750;margin:14px 0 8px}.choices{display:grid;gap:7px}.choice{text-align:left}.choice:disabled{opacity:.85}
.help{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.reveal{background:var(--mint);border-color:#466d51;margin:10px 0}.reveal p+p{margin-top:6px}
#feedback{margin-top:8px;font-size:.9rem;font-weight:650}#feedback:empty{margin-top:0}#feedback[data-kind=retry]{color:#9f3523}
footer{border-top:1px solid var(--line);margin-top:22px;padding-top:10px}
dialog{width:min(680px,calc(100% - 24px));max-height:85vh;border:2px solid var(--ink);border-radius:10px;color:var(--ink);background:var(--paper);padding:18px}
dialog::backdrop{background:#321d37a8}dl>div{padding:10px 0;border-bottom:1px solid var(--line)}dt{font-weight:800}dd{margin:3px 0}
@media(max-width:740px){main{width:calc(100% - 28px);padding-top:12px}.title,.spread{grid-template-columns:1fr;gap:13px}.title{padding:17px 0}.intro{font-size:1.1rem;gap:8px}nav ol{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:13px}nav li{font-size:.79rem;padding:6px 8px}.mast{font-size:.63rem;gap:6px}.issue{text-align:right}.panel img{aspect-ratio:16/9}.case{margin-top:1px}}
figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}
#art-dialog{width:min(1080px,calc(100% - 24px))}
#art-dialog img{display:block;width:100%;max-height:65vh;object-fit:contain}
nav li{padding:0}
nav button{width:100%;border:0;background:transparent;text-align:left;color:inherit;font-size:inherit;padding:8px}
nav button:disabled{opacity:.7}
nav button b{margin-right:4px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
#wall-cover{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);pointer-events:none}
.wall-section{border:2px solid #624157;background:repeating-linear-gradient(0deg,#a6615b 0 19px,#814b52 19px 21px)}
.wall-section.uncovered{visibility:hidden}
.desk-note{position:absolute;right:5%;bottom:8%;width:29%;padding:3% 2%;text-align:center;line-height:1.12;font-family:Georgia,serif;font-weight:700;color:#341e36;background:#ffdd80;box-shadow:2px 3px 0 #45243c88;transform:rotate(-5deg);font-size:clamp(.75rem,1.6vw,1.2rem)}
.desk-note strong{display:block;font:900 clamp(1.5rem,4vw,3rem)/1.2 system-ui;letter-spacing:.08em}
.large-panel{position:relative;width:fit-content;margin:auto;max-width:100%}
#art-dialog img{width:auto;max-width:100%;height:auto;max-height:65vh}
.bricks{display:flex;flex-wrap:wrap;gap:8px}
.bricks button{background:#f2ccac;border:2px solid #815052;box-shadow:0 3px #815052}
.bricks button:disabled{opacity:.45;box-shadow:none}
.assembled{min-height:44px;margin:10px 0;border-bottom:2px solid var(--line);display:flex;align-items:center;font-weight:800}
#code-form{margin:12px 0}#code-form label{font-weight:750}
#code-input{font:inherit;color:inherit;width:8rem;max-width:100%;min-height:44px;border-radius:8px;border:1px solid var(--line);padding:7px 10px;background:#fffdfa}
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:285px;margin:6px 0 14px}
.board button{aspect-ratio:1.25;font:900 1.7rem Georgia,serif;background:#f8e5d4}
.board button[aria-pressed=true],.board button.winning{background:var(--mint);border:2px solid #466d51}
.turn{font-weight:850}
#open-span{display:inline;background:#ffdf9e;padding:3px 7px;text-decoration:underline;text-underline-offset:3px;margin:2px 0}
button[data-preference][aria-pressed=true]{background:var(--mint);border:2px solid #466d51}
.recap{margin:12px 0}.recap summary{cursor:pointer;font-weight:800}.recap li+li{margin-top:5px}
@media(max-width:740px){#scene-art{aspect-ratio:3/2}nav button{padding:6px}}