:root{--paper:#f7f2e7;--ink:#193c3d;--night:#102d31;--muted:#61736b;--gold:#e3bc76;--red:#9e4935}*{box-sizing:border-box}html{height:100%}body{margin:0;height:100vh;height:100dvh;display:grid;grid-template-rows:56px minmax(0,1fr) 36px;background:var(--paper);color:var(--ink);font:14px/1.5 Arial,Helvetica,sans-serif}a{color:inherit;text-underline-offset:3px}button,input{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #ce7d37;outline-offset:3px}header{display:flex;align-items:center;justify-content:space-between;padding:0 3vw;border-bottom:1px solid #d8d9ca;gap:12px}.brand{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700;text-decoration:none}.brand>span:first-child{font-size:29px;color:#a57335}.about-link{font-size:12px;text-decoration:none;border:1px solid #b9c3b7;border-radius:4px;padding:7px 12px}main{display:grid;grid-template-rows:auto 44px minmax(0,1fr) 32px;min-height:0;padding:0 2vw}.heading{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:17px 10px 15px}.eyebrow{font-size:9px;letter-spacing:1.8px;font-weight:700;margin:0 0 6px;color:var(--muted)}h1{font:400 clamp(24px,3vw,44px)/1.1 Georgia,serif;margin:0;letter-spacing:-1px}h1 em{font-weight:400;color:var(--red)}.tagline{font-size:12px;line-height:1.6;margin:0;color:var(--muted)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 15px;color:var(--paper);background:var(--night);border-radius:8px 8px 0 0;font-size:11px}.toolbar p{margin:0;min-width:0}.tools{display:flex;align-items:center;gap:14px}.tools button{font-size:11px;white-space:nowrap;padding:5px 10px}.tools>button{border:1px solid #879b8f;border-radius:4px}.tools>button[aria-pressed=true]{background:#e8c07d;color:#3e2c1f;border-color:#e8c07d}.segmented{display:flex;border:1px solid #ffffff38;border-radius:4px;padding:2px}.segmented [aria-pressed=true]{background:var(--paper);color:var(--ink);border-radius:2px}.canvas{position:relative;min-height:0;display:flex;align-items:center;justify-content:center;background:transparent;overflow:hidden;container-type:size}.scene{position:relative;width:min(100cqw,150cqh);aspect-ratio:3/2;max-height:100%;flex-shrink:0}.scene>img{width:100%;height:100%;display:block}.door{position:absolute;transform:translate(-50%,-50%);width:4.2%;min-width:27px;aspect-ratio:.88;border:1px solid #f3d693;border-radius:25% 25% 6% 6%;font:700 clamp(14px,3.1cqh,26px)/1 Georgia,serif;color:#fff2ca;background:linear-gradient(100deg,#693522ed,#a85536ef);box-shadow:0 3px 7px #001822a6,inset 0 0 0 2px #f9dc9b35;text-shadow:0 1px 3px #000;transition:transform .18s,box-shadow .18s;padding:0}.door[aria-disabled=true]{background:linear-gradient(100deg,#193d3de8,#49675eeb)}.door:hover,.door:focus-visible{transform:translate(-50%,-50%) scale(1.2);box-shadow:0 0 20px #f7d29f;z-index:2}.door.opened{background:#efcf91;color:#482d20;text-shadow:none}.door.opened:after{content:'✓';position:absolute;right:2px;top:1px;font:8px Arial}.corner-note{position:absolute;bottom:10px;right:15px;color:#e4d6ba;font:italic 12px Georgia;text-shadow:0 1px 5px #000}.statusbar{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;color:var(--muted)}.statusbar button{font-size:10px;text-decoration:underline}.statusbar>span:first-child{font-weight:700}footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 3vw;border-top:1px solid #d8d9ca;font-size:10px;color:var(--muted)}footer nav{display:flex;gap:18px}.door-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));width:min(100%,1100px);height:100%;padding:15px;gap:9px}.grid-door{display:flex;align-items:center;justify-content:center;gap:12px;border:1px solid #d8c59672;background:#163c3deb;color:#f4e6c6;border-radius:5px;padding:7px;text-align:left;overflow:hidden}.grid-door b{font:32px Georgia;color:#edc989}.grid-door span{font-size:10px;max-width:110px}.grid-door small{display:block;opacity:.7;font-size:9px}.grid-door.opened{background:#e4c690;color:#243b31}.grid-door.opened b{color:#784328}.mobile-doors{display:none}.skip{position:fixed;top:-100px;left:10px;padding:10px;background:#fff;z-index:10}.skip:focus{top:10px}[hidden]{display:none!important}dialog{padding:24px 30px 16px;border:1px solid #e4d8bd;border-radius:12px;width:min(600px,calc(100vw - 24px));height:min(570px,calc(100dvh - 24px));max-height:calc(100dvh - 24px);background:var(--paper);color:var(--ink);box-shadow:0 20px 100px #0006;overflow:hidden}dialog[open]{display:flex;flex-direction:column}dialog::backdrop{background:#051f27ba;backdrop-filter:blur(6px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-shrink:0}.dialog-top .eyebrow{margin:0;font-size:9px}.dialog-top>button{font-size:29px;line-height:1;min-width:34px;height:34px}dialog h2{font:400 clamp(23px,3.8vw,33px)/1.12 Georgia;margin:10px 0 17px;flex-shrink:0;letter-spacing:-.4px}.steps{display:flex;gap:7px;border-bottom:1px solid #ccd0c1;margin-bottom:18px;flex-shrink:0}.steps button{font-size:12px;padding:8px 13px;border-radius:5px 5px 0 0}.steps [aria-current=page]{background:#e6e6d7;font-weight:700;color:#85422f}#case-content{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;outline-offset:-3px}#case-content h3{font:400 23px/1.28 Georgia;margin:5px 0 20px}.game-hint,.period{font-size:11px;color:var(--muted);margin:0 0 12px}.choices{display:grid;gap:9px}.choice{border:1px solid #c6cdbd;border-radius:5px;background:#edeedf;text-align:left;padding:13px 16px;font-size:14px;min-height:43px}.choice:hover{background:#e1e5d4;border-color:#8da18a}.choice .letter{display:inline-block;font-weight:700;font-size:11px;color:var(--red);margin-right:15px}.primary{display:inline-block;background:var(--ink);color:#fff5dc;border-radius:5px;padding:11px 18px;font-size:13px;margin-top:15px}.range-output{display:block;font:44px Georgia;color:var(--red);margin:16px 0}.range-output small{font:13px Arial;color:var(--muted)}input[type=range]{width:100%;accent-color:#9b523b;min-height:40px}.range-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.order-list{display:grid;gap:8px}.order-list button{font-size:13px;text-align:left;border:1px solid #c4cbb9;border-radius:5px;padding:10px 13px;min-height:40px}.order-list button.selected{background:#e2e6d8;color:#486047}.order-list b{display:inline-block;width:22px;color:#9c4934}.order-reset{font-size:11px;text-decoration:underline;margin-left:10px}.feedback{font-size:12px;font-weight:700;color:#38654b;padding:8px 12px;background:#e6ead8;border-radius:4px;margin:0 0 14px}.feedback.neutral{color:#7d5633;background:#eee3cf}.stat{margin:5px 0 17px}.stat strong{font:400 clamp(32px,6vh,58px)/1.1 Georgia;color:var(--red);display:block;letter-spacing:-1px}.stat span{font-size:12px;color:var(--muted);display:block;margin-top:6px}.fact-body{font-size:15px;line-height:1.65;margin:0}.source-text{font-size:14px;line-height:1.7}.source-link{display:inline-block;font-size:13px;text-decoration:underline;margin:12px 0;overflow-wrap:anywhere}.dialog-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #ccd0c1;padding-top:10px;margin-top:14px;flex-shrink:0}.dialog-bottom>button{font-size:22px;width:44px;height:35px}.dialog-bottom>span{font-size:11px;color:var(--muted)}.about-main{padding:24px;display:flex;align-items:center;justify-content:center;min-height:0}.about-card{display:flex;flex-direction:column;width:min(780px,100%);height:100%;max-height:650px;padding:25px 35px;background:#eeeddf;border:1px solid #d0d4c5;border-radius:9px;min-height:0}.about-card h1{font-size:34px;margin:0 0 18px}.about-tabs{display:flex;gap:10px;margin:0 0 20px;flex-shrink:0}.about-tabs button{padding:7px 11px;border:1px solid #bdc8b5;border-radius:4px;font-size:12px}.about-tabs button[aria-current=page]{background:var(--ink);color:var(--paper)}.about-panel{min-height:0;overflow:auto;flex:1;font-size:15px;line-height:1.7}.about-panel h2{font:26px Georgia;margin:0 0 16px}.about-panel p{margin:0 0 16px}.about-back{margin-top:16px;font-size:12px}.error{position:absolute;color:#fff;padding:25px;max-width:500px}.flash{animation:appear .2s ease-out}@keyframes appear{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:850px){.tagline{display:none}.heading{padding:12px 6px}.door-grid{gap:6px;padding:10px}.grid-door{flex-direction:column;gap:2px;text-align:center}.grid-door b{font-size:26px}.grid-door span{font-size:9px}.grid-door small{display:none}.corner-note{display:none}}@media(max-width:600px){body{grid-template-rows:48px minmax(0,1fr) 32px}header{padding:0 12px}.brand{font-size:10px;gap:4px}.brand>span:first-child{font-size:23px}.about-link{font-size:10px;padding:6px 8px}main{padding:0 10px;grid-template-rows:auto 42px minmax(0,1fr) 30px}.heading{padding:12px 2px}.heading .eyebrow{font-size:7px;letter-spacing:1.1px;margin-bottom:6px}h1{font-size:26px;line-height:1.12;letter-spacing:-.6px}h1 em{display:block}.toolbar{padding:0 9px;font-size:9px;gap:5px}.tools{gap:4px}.tools button{padding:5px 6px;font-size:9px}.canvas{flex-direction:column;justify-content:flex-start;gap:0}.scene{width:min(100cqw,75cqh);max-height:50%;flex-shrink:0}.scene #doors{display:none}.mobile-doors{position:relative;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));min-height:0;width:100%;flex:1;gap:6px;padding:9px 12px}.mobile-doors button{border:1px solid #dfc79875;border-radius:4px;background:#1c4343d9;color:#f1d7a1;min-height:0;font:21px Georgia}.mobile-doors button.opened{background:#e9c888;color:#593e28}.mobile-doors button[aria-disabled=true]{color:#ced6c6}.canvas.list-mode .mobile-doors{display:none}.door-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(6,minmax(0,1fr));width:100%}.grid-door b{font-size:23px}.grid-door span{line-height:1.2;font-size:9px}.statusbar{font-size:9px}.statusbar button{font-size:9px}#tip{display:none}footer{font-size:9px;padding:0 12px}footer nav{gap:13px}dialog{padding:16px 20px 10px}.dialog-top .eyebrow{font-size:8px;letter-spacing:1px}dialog h2{font-size:27px;margin:6px 0 12px}.steps{margin-bottom:14px}.steps button{font-size:11px;padding:7px 12px}#case-content h3{font-size:21px;margin-bottom:15px}.fact-body{font-size:14px;line-height:1.6}.about-main{padding:12px}.about-card{padding:20px}.about-card h1{font-size:28px}.about-panel{font-size:14px}.about-tabs{gap:6px;flex-wrap:wrap}.about-tabs button{font-size:11px;padding:7px}.source-text{font-size:13px}}@media(max-height:620px){body{grid-template-rows:42px minmax(0,1fr) 28px}.heading{padding:6px}.heading .eyebrow{margin-bottom:3px}h1{font-size:25px}.tagline{display:none}main{grid-template-rows:auto 36px minmax(0,1fr) 26px}dialog{padding:12px 20px 8px}.dialog-top{height:28px}dialog h2{font-size:23px;margin:6px 0 10px}.steps{margin-bottom:10px}.steps button{padding:5px 10px}#case-content h3{font-size:19px;margin:4px 0 12px}.choice{padding:9px 12px;min-height:36px}.choices{gap:6px}.stat{margin:4px 0 10px}.stat strong{font-size:37px}.fact-body{font-size:13px;line-height:1.5}.feedback{font-size:11px;padding:6px 9px;margin-bottom:8px}.dialog-bottom{padding-top:5px;margin-top:8px}.about-card{padding:15px 23px}.about-card h1{font-size:27px;margin-bottom:12px}.about-panel{font-size:13px}}@media(max-height:400px){.heading{display:none}.steps{margin-bottom:7px}dialog h2{font-size:20px}#case-content h3{font-size:17px}.fact-body{font-size:12px}.dialog-bottom{height:26px}.dialog-bottom button{height:26px}.about-panel{font-size:12px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* Centered composition: same 1220px maximum as the reference Site. */
body>header,body>main,body>footer{width:calc(100% - 48px);max-width:1220px;margin:0 auto}
body>header,body>footer{padding-left:0;padding-right:0}
body>main{padding-left:0;padding-right:0}
.canvas{background:transparent}.scene{box-shadow:0 5px 20px #263e3214}.corner-note{display:none}
.mobile-doors button{color:#f6dfaf}.mobile-doors button.opened{color:#593e28}
.lights-card{position:relative;height:150px;overflow:hidden;border-radius:9px;background:#0c242e;margin:8px 0 12px}
.lights-card img{width:100%;height:100%;object-fit:cover;opacity:.25;transition:opacity .4s}
.light-points{position:absolute;inset:0;pointer-events:none}.light-points i{position:absolute;width:7px;height:7px;border-radius:50%;background:#ffe7a2;opacity:.12;box-shadow:0 0 8px 3px #f2be5a;transition:opacity .4s}
.light-controls{display:flex;align-items:center;gap:14px}.light-controls input{flex:1;min-width:0}.light-controls button{margin:0;white-space:nowrap;font-size:11px;padding:10px}
.light-greeting{font:23px/1.25 Georgia;color:#865132;margin:10px 0 0;text-align:center}
.light-caption{font-size:11px;color:var(--muted);margin:0}.lights-label{font-size:12px}
@media(max-width:600px){body>header,body>main,body>footer{width:calc(100% - 24px)}.lights-card{height:130px}.light-greeting{font-size:21px}}
@media(max-height:620px){.lights-card{height:95px}.light-greeting{font-size:19px}.light-caption{font-size:10px}}
@media(prefers-reduced-motion:reduce){.lights-card img,.light-points i{transition:none}}

/* A single frame defines every visible left and right edge, including the image. */
body:has(#kalender){--frame:min(1220px,calc(100vw - 48px),calc((100dvh - 268px)*1.5))}
body:has(#kalender)>header,body:has(#kalender)>main,body:has(#kalender)>footer{width:var(--frame);max-width:none}
#kalender{grid-template-rows:100px 44px minmax(0,1fr) 32px}
.heading{padding-left:0;padding-right:0}.heading h1{font-size:clamp(24px,3vw,38px)}
.scene{width:100%;max-height:none;aspect-ratio:3/2}.canvas{align-items:flex-start;justify-content:flex-start}
.door-grid{width:100%;padding-left:0;padding-right:0}.tagline{display:none}
/* Compact dialog with measured reading pages instead of a scrolling panel. */
dialog{width:min(720px,calc(100vw - 24px));height:min(690px,calc(100dvh - 24px));padding:16px 24px 12px}
dialog h2{margin:6px 0 10px;font-size:29px}.steps{margin-bottom:12px}
#case-content{overflow:hidden}#case-content h3{font-size:22px;margin:4px 0 14px}
.game-hint,.period{margin-bottom:8px}.stat{margin:4px 0 12px}.stat strong{font-size:44px}
.fact-body{font-size:14px;line-height:1.55}.source-text{font-size:13px;line-height:1.55}
.dialog-bottom{justify-content:center;padding-top:6px;margin-top:8px}
#reading-nav{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-shrink:0;padding-top:8px;font-size:11px}
#reading-nav button{border:1px solid #bbc5b5;border-radius:4px;padding:6px 8px}
.lights-card{height:auto;width:min(100%,390px);aspect-ratio:3/2;margin:0 auto 8px;flex-shrink:0}
.lights-card img{opacity:1;object-fit:contain}.light-points i{width:3px;height:3px;transform:translate(-50%,-50%);opacity:0;box-shadow:0 0 5px 2px #ffd269,0 0 12px 4px #ffbd3c70}
.light-greeting{font-size:21px;margin-top:8px}.light-caption{font-size:10px}
@media(max-width:600px){
 body:has(#kalender){--frame:min(calc(100vw - 24px),calc((100dvh - 388px)*1.5))}
 #kalender{grid-template-rows:100px 42px minmax(0,1fr) 30px}
 .scene{width:100%;max-height:none}.mobile-doors{padding:8px 0;min-height:136px;gap:5px}.mobile-doors button{font-size:19px}
 .heading h1{font-size:26px}.heading{padding-top:8px;padding-bottom:8px}
 dialog{padding:12px 16px 10px}dialog h2{font-size:25px}.steps button{padding:7px 10px}
 #case-content h3{font-size:20px}.lights-card{width:min(100%,330px)}.light-controls{gap:8px}.light-controls button{padding:8px}
 .choice{padding:10px 12px}.choices{gap:7px}.stat strong{font-size:38px}
}
@media(max-height:620px) and (min-width:601px){
 body:has(#kalender){grid-template-rows:42px minmax(0,1fr) 28px;--frame:min(1220px,calc(100vw - 48px),calc((100dvh - 152px)*1.5))}
 #kalender{grid-template-rows:20px 36px minmax(0,1fr) 26px}.heading{visibility:hidden;padding:0}
}
@media(max-height:500px){
 dialog[open]{display:grid;grid-template-columns:190px minmax(0,1fr);grid-template-rows:32px minmax(0,1fr) auto auto;column-gap:18px}
 .dialog-top{grid-column:1;grid-row:1}dialog h2{grid-column:1;grid-row:2;font-size:24px;align-self:start}
 .steps{grid-column:1;grid-row:3;flex-wrap:wrap;border:0;margin:0}.steps button{padding:6px}
 #case-content{grid-column:2;grid-row:1 / 4;align-self:stretch}#reading-nav{grid-column:2;grid-row:4}
 .dialog-bottom{grid-column:1;grid-row:4}.lights-card{width:min(100%,240px)}
 #case-content h3{font-size:18px}.range-output{font-size:30px;margin:5px 0}.primary{margin-top:8px;padding:8px 12px}
}
@media(max-height:620px) and (max-width:600px){
 body:has(#kalender){grid-template-rows:42px minmax(0,1fr) 28px;--frame:min(calc(100vw - 24px),calc((100dvh - 152px)*1.5))}
 #kalender{grid-template-rows:20px 36px minmax(0,1fr) 26px}.heading{display:flex;visibility:hidden;padding:0}
 .mobile-doors{display:none}.scene #doors{display:block}.brand>span:last-child{font-size:9px}.about-link{font-size:9px;padding:5px}
 .toolbar{padding:0 5px}.tools{gap:2px}.tools button{padding:5px 3px}.toolbar p{font-size:8px}
}
@media(max-height:400px) and (min-width:601px){.heading{display:flex}}

/* Clear windows onto the illustration: borders and outlined numerals only. */
.door,.door[aria-disabled=true],.door.opened{background:transparent;border:2px solid #ffe4a3;color:#fff6dc;box-shadow:0 0 0 1px #173133bd;text-shadow:-1px -1px 1px #102d31,1px -1px 1px #102d31,-1px 1px 1px #102d31,1px 1px 1px #102d31,0 2px 3px #102d31}
.door.opened{border-color:#b9efd6;border-style:dashed}.door.opened:after{color:#fff;text-shadow:0 1px 2px #102d31}
.door:hover,.door:focus-visible{background:transparent;border-color:#fff;box-shadow:0 0 0 2px #183331,0 0 12px #ffe4a380}