:root{color-scheme:light;--ink:#263d34;--muted:#67756a;--line:#dce2d5;--paper:#f7f6ef;--accent:#2e6954;--pale:#edf1e4;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;line-height:1.5}button,input,select{font:inherit}button,select,input{accent-color:var(--accent)}button,a,select,input{touch-action:manipulation}button{border:1px solid var(--line);background:#fbfcf7;border-radius:6px;padding:8px 12px;color:var(--ink);cursor:pointer;white-space:nowrap}button:hover:not(:disabled){background:var(--pale);border-color:#8ca692}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.45;cursor:default}a{color:inherit;text-underline-offset:4px}input,select{min-width:0;border:1px solid #cdd7c8;border-radius:5px;background:#fffef9;color:var(--ink);padding:8px;width:100%}input[type=range],input[type=checkbox]{padding:0;border:0}input[type=checkbox]{width:18px;height:18px;flex:none}input[type=range]{min-width:70px}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #d39a42;outline-offset:3px}[hidden]{display:none!important}.shell{max-width:1540px;margin:auto;padding:0 30px}header{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-size:19px;font-weight:750;text-decoration:none;letter-spacing:-.6px}.brand span{font-size:14px;font-weight:400;color:var(--muted);margin-left:12px;letter-spacing:0}nav{display:flex;gap:24px;font-size:13px}.intro{display:flex;justify-content:space-between;align-items:center;padding:24px 0 20px;gap:20px}.eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:1.7px;color:var(--muted);margin:0 0 6px}h1{font-size:clamp(26px,3vw,40px);letter-spacing:-1.6px;line-height:1.13;margin:0 0 8px}p{margin:0 0 12px}.intro p:last-child{margin:0;color:var(--muted)}.prototype{border:1px solid var(--line);border-radius:30px;padding:7px 12px;font-size:11px;color:var(--muted)}.controls{border:1px solid var(--line);border-radius:9px;background:#f0f2e8;margin-bottom:22px;padding:13px 16px}.control-row{display:grid;grid-template-columns:minmax(190px,1.25fr) minmax(130px,.85fr) minmax(130px,.8fr) minmax(250px,1.3fr);gap:16px}.control-row.second{grid-template-columns:minmax(175px,1.1fr) 78px 125px 145px minmax(240px,1.8fr);border-top:1px solid var(--line);padding-top:10px;margin-top:10px}.controls label{display:flex;flex-direction:column;gap:4px;font-size:10px;font-weight:600;color:#546a5b;letter-spacing:.3px}.controls select,.controls input,.controls button{font-size:12px;letter-spacing:0}.inline{display:flex;gap:6px;align-items:center}.sound-setting .inline{height:34px}.connection-area p{font-size:11px;color:#9a422f;margin:2px 0 0}.connection-area button{padding:6px 10px}.connection-area #key-connected{display:flex;justify-content:space-between;align-items:center;gap:8px;height:100%;font-size:12px}.local-actions{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);line-height:1.4}.local-actions span{max-height:54px;overflow:auto}.workspace{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(340px,1fr);gap:24px;align-items:start}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;min-height:30px}.panel-head h2{font-size:14px;font-weight:650;margin:0}.panel-head h2 span{font-size:11px;color:var(--muted);font-weight:400;margin-left:12px}.panel-head>span{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.5px}.scene{position:relative;border:1px solid #cbd6bc;border-radius:10px;overflow:hidden;background:#e9f0d9}canvas{display:block;width:100%;aspect-ratio:720/405}#scene-message{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;background:#e9f0d97a;pointer-events:none;text-align:center;padding:24px}#scene-message strong{font-size:25px;letter-spacing:-.5px}#scene-message span{font-size:12px;max-width:360px}.game-actions{display:flex;align-items:center;gap:7px;padding:12px 0 9px}.primary{background:var(--accent);color:#fff;border-color:var(--accent);min-width:93px}.primary:hover:not(:disabled){background:#214d3d}#game-status{font-size:11px;color:var(--muted);margin-left:5px;line-height:1.35}.manual-controls{display:flex;align-items:center;gap:7px;margin-bottom:12px}.manual-controls button{font-size:11px;user-select:none;touch-action:none}.manual-controls span{font-size:10px;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(5,1fr);margin:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:13px 0;gap:8px}dt{font-size:10px;color:var(--muted);margin-bottom:2px}dd{margin:0;font-family:var(--mono);font-size:17px;letter-spacing:-.5px}.timing-note{font-size:11px;color:var(--muted);margin:9px 0 20px}.history{border-top:1px solid var(--line);padding-top:12px}.history button{font-size:10px;padding:5px 9px}.history .panel-head>div{display:flex;gap:5px}.scrubber{display:flex;align-items:center;gap:8px}.scrubber input{flex:1}.scrubber span{font-family:var(--mono);font-size:10px;min-width:85px;text-align:right}#history-list{display:flex;overflow:auto;gap:5px;padding:10px 0 4px;min-height:55px}#history-list p{font-size:12px;color:var(--muted)}#history-list button{display:flex;flex-direction:column;align-items:flex-start;min-width:82px;background:#fffef8;font-family:var(--mono)}#history-list button[aria-pressed=true]{border-color:var(--accent);background:var(--pale)}#history-list small{font-size:9px;color:var(--muted)}.inspector{border-left:1px solid var(--line);padding-left:24px;min-width:0}.answer-banner{min-height:102px;background:#e9eddf;border:1px solid var(--line);border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;gap:3px}.answer-banner>span:first-child{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.7px}.answer-banner strong{font-size:23px;line-height:1.2;letter-spacing:-.7px}.answer-banner>span:last-child{font-size:11px;color:var(--muted)}.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin:12px 0}.tabs button{flex:1;border:0;background:none;border-radius:0;padding:10px 4px;font-size:12px;color:var(--muted)}.tabs button[aria-selected=true]{color:var(--accent);border-bottom:2px solid var(--accent)}[role=tabpanel]{max-height:450px;overflow:auto;padding-bottom:8px}#input-image{width:100%;border-radius:6px;display:block;border:1px solid var(--line)}#input-caption{font-size:11px;margin:8px 0;color:var(--muted)}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.6 var(--mono);background:#efefe6;padding:12px;border-radius:6px;margin:0}.question{border-bottom:1px solid var(--line);padding:10px 0 13px}.question h3{margin:0 0 6px;font-family:var(--mono);font-size:13px}.question h3 span{color:var(--muted);font-size:10px}.question p,.question dl{font-size:12px}.question dl{margin:8px 0}.question dt{font-family:var(--mono);color:var(--ink);font-size:11px}.question dd{font-family:inherit;font-size:11px;letter-spacing:0;color:var(--muted);margin-bottom:5px}.small{font-size:11px;color:var(--muted);margin-top:10px}.prob-row{display:grid;grid-template-columns:85px 1fr 46px;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;margin:11px 0}.prob-row meter{width:100%;height:14px}.prob-row strong{text-align:right;font-weight:400}#extra-answers{font-size:12px;color:var(--muted);margin-top:20px}.about{margin-top:32px;padding:25px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:60px}.about h2{font-size:23px;line-height:1.2;letter-spacing:-.5px;margin:0 0 13px}.about h3{font-size:14px;margin:0 0 12px}.about p{font-size:12px;color:var(--muted);max-width:65ch}.about a{color:var(--ink)}footer{display:flex;justify-content:space-between;padding:18px 0;border-top:1px solid var(--line);color:var(--muted);font-size:11px}#toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:8px 15px;border-radius:6px;opacity:0;pointer-events:none;font-size:12px}#toast.visible{opacity:1}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link:focus{display:block;padding:8px}
/* Reused JSON explorer; keep long payloads within the inspection column. */
.json-toolbar{display:flex;flex-wrap:wrap;gap:6px}.json-toolbar button,.json-options button{font-size:10px;padding:5px 7px}.json-mode{display:flex}.json-mode button[aria-pressed=true]{background:var(--pale);border-color:var(--accent)}.json-search{flex:1;min-width:115px}.json-search input{font-size:11px;padding:5px}.json-options{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:8px 0;font-size:10px}.json-options label{display:flex;align-items:center;gap:4px}.json-options input{width:12px;height:12px}.json-search-status{color:var(--muted);flex-basis:100%}.json-surface{max-height:340px;overflow:auto;background:#eeefe6;padding:10px;border-radius:5px;font:10px/1.7 var(--mono)}.json-surface.wrap{overflow-wrap:anywhere;white-space:pre-wrap}.json-branch summary{cursor:pointer}.json-children{padding-left:12px;border-left:1px solid #d4dbc9}.json-key{color:#2c6652}.json-leaf button{font:inherit;padding:0;border:0;background:none;white-space:normal;overflow-wrap:anywhere}.json-count,.json-type{color:#819177}.json-type{font-size:8px;margin-left:8px}.json-string{color:#8c632b}.json-number{color:#326384}.json-null,.json-boolean{color:#9a5340}.json-line{display:flex;white-space:pre}.wrap .json-line{white-space:pre-wrap}.json-line-number{min-width:28px;color:#a0a48e;user-select:none}.json-line code{min-width:0}.json-match{background:#e8dd9b}.json-footnote,.json-empty{font-size:10px;color:var(--muted);margin:8px 0}
@media(min-width:1450px){.workspace{grid-template-columns:minmax(0,1.8fr) minmax(360px,1fr)}[role=tabpanel]{max-height:540px}}
@media(max-width:1100px){.shell{padding:0 20px}.control-row{gap:10px;grid-template-columns:1.1fr .8fr .7fr 1.1fr}.control-row.second{grid-template-columns:1.2fr 64px 110px 110px 1.5fr;gap:10px}.workspace{gap:18px;grid-template-columns:minmax(0,1.4fr) minmax(300px,1fr)}.inspector{padding-left:18px}.game-actions{flex-wrap:wrap}#game-status{flex-basis:100%;margin:3px 0 0}.prototype{display:none}.manual-controls span{display:none}}
@media(max-width:800px){.control-row,.control-row.second{grid-template-columns:1fr 1fr}.connection-area{grid-column:1/-1}.local-actions{grid-column:1/-1}.workspace{grid-template-columns:1fr}.inspector{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:20px}[role=tabpanel]{max-height:400px}.about{gap:24px}.intro{padding-top:20px}.intro p:last-child{font-size:12px}.brand span{display:none}}
@media(max-width:480px){.shell{padding:0 14px}header{height:58px}nav{gap:12px;font-size:11px}.brand{font-size:17px}.controls{padding:12px}.intro{padding:19px 0}.metrics{gap:5px}dd{font-size:14px}dt{font-size:9px}.about{grid-template-columns:1fr;gap:15px}footer{gap:14px;font-size:10px}#scene-message strong{font-size:19px}#scene-message span{font-size:11px}.game-actions button{font-size:12px;padding:8px 10px}}