*{box-sizing:border-box}html{background:#000;color:#f4f3ef;font:13px Arial,Helvetica,sans-serif}body{margin:0;padding:0 4vw}button,a,input{touch-action:manipulation}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}a{color:inherit;text-decoration:none}button:hover,a:hover{color:#fff;text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible{outline:1px solid #fff;outline-offset:5px}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #222}.brand{font-size:15px;font-weight:700;letter-spacing:-.4px}.brand span{font-weight:400;color:#999}nav{display:flex;gap:27px;align-items:center}#full{font-size:24px}.eyebrow{display:flex;justify-content:space-between;color:#777;font:10px monospace;letter-spacing:1px;padding:25px 0 0}.stage{height:min(66vw,650px);min-height:360px;position:relative;display:grid;place-items:center}canvas{width:100%;height:100%;display:block}#intro{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse,#000e 20%,#0009 65%,#0000);text-align:center}#intro p:first-child{font:12px monospace;color:#aaa;letter-spacing:1px}h1{font-weight:500;font-size:clamp(40px,7.6vw,108px);line-height:.9;letter-spacing:-.065em;margin:25px 0 20px}h1 span{font:14px monospace;vertical-align:top;letter-spacing:0}.sub{color:#999;line-height:1.8;font-size:12px}#start{margin-top:20px;background:#eeeee9;color:#111;min-width:230px;padding:18px 22px;text-align:left}#start span{float:right}small#status{margin-top:18px;max-width:80%;font:9px monospace;color:#777;letter-spacing:1px;line-height:1.7}footer{display:flex;align-items:center;gap:28px;border-top:1px solid #282828;padding:22px 0}.transport{display:flex;gap:17px;align-items:center;white-space:nowrap}.transport button{font-size:19px}#time{font:11px monospace}i{font-style:normal;color:#666}.progress{height:2px;background:#242424;flex:1}#fill{width:0;height:100%;background:#eee}.pair{display:flex;align-items:center;gap:15px}.pair>span{font-size:24px;min-width:38px}.pair small{font:9px monospace;color:#777}.volume{font:9px monospace;display:flex;gap:10px;align-items:center;color:#888}input{width:65px;accent-color:white}.bottom{display:flex;justify-content:space-between;color:#666;font:9px monospace;letter-spacing:1px;padding:6px 0 25px}.bottom button{font:inherit;color:#aaa}#code{border:1px solid #252525;margin:10px 0 28px;padding:24px;font:11px monospace}.codehead,.edithead{display:flex;justify-content:space-between;color:#888;font-size:10px}pre{line-height:1.8;color:#777;white-space:pre-wrap}.active{color:#fff;background:#1c1c1c}#steps{display:grid;grid-template-columns:repeat(16,1fr);gap:4px;margin:20px 0 30px}.step{border-top:2px solid #333;padding-top:8px;color:#555}.step.on{border-color:#fff;color:#fff}.step.rest{border-top-style:dotted}.edithead{margin-bottom:10px}.edithead span{letter-spacing:0}textarea{background:#080808;color:#aaa;width:100%;height:150px;padding:15px;border:1px solid #333;font:12px monospace}.editactions{display:flex;gap:25px;align-items:center;margin:16px 0}.editactions button{border:1px solid #555;padding:10px}#code>small{color:#666}dialog{background:#0b0b0b;color:#bbb;border:1px solid #444;max-width:650px;padding:40px;font-size:13px;line-height:1.8}dialog::backdrop{background:#000b}dialog h2{font-size:38px;line-height:1.1;color:white;font-weight:400;letter-spacing:-1px}#closeAbout{float:right;font-size:25px}dialog a{text-decoration:underline}body.perform #intro{display:none}body.perform .stage{height:calc(100dvh - 245px)}@media(max-width:650px){body{padding:0 5vw}header{height:70px}.brand{font-size:11px;max-width:180px}.brand span{display:block;margin-top:5px}nav{gap:12px;font-size:11px}.eyebrow{font-size:8px;letter-spacing:0}.stage{min-height:410px}footer{gap:12px;flex-wrap:wrap}.progress{min-width:25%}.volume{display:none}.pair{gap:8px}.pair small{font-size:8px}.bottom{font-size:8px;letter-spacing:0}.bottom>span:nth-child(2){display:none}body.perform .stage{height:calc(100dvh - 240px);min-height:260px}#code{padding:14px}.codehead span:last-child{display:none}.edithead span{max-width:65%;text-align:right}#steps{gap:2px;font-size:9px}dialog{padding:25px}}
/* Keep the score behind the full-size transparent drawing surface. */
.stage{isolation:isolate}
body.codeopen #code{position:absolute;z-index:1;left:0;right:0;bottom:0;height:50%;width:100%;max-height:none;overflow:auto;margin:0;padding:18px 22px;background:rgba(0,0,0,.72);border:0;border-top:1px solid #252525;box-shadow:none}
body.codeopen #code[hidden]{display:none}
body.codeopen #art{z-index:2;pointer-events:none}
body.codeopen #intro{z-index:3}
body.codeopen #fragment{font-size:10px;line-height:1.5}
body.codeopen #steps{margin:12px 0 18px}
body.codeopen #editor{height:105px}
@media(max-width:650px){body.codeopen #code{padding:12px 14px}}


canvas{position:absolute;inset:0;min-width:0;min-height:0}

/* Subdued score behind the artwork; restore readability while editing. */
body.codeopen #code{opacity:.32;transition:opacity .2s ease;background:transparent}
body.codeopen #code:focus-within{opacity:.7}

/* Resolved Strudel events: boxed tokens follow the same audio clock. */
#steps{display:flex;flex-direction:column;gap:10px}
.sequence-row{display:flex;align-items:center;gap:12px;min-width:0}
.sequence-label{flex:0 0 104px;font:10px monospace;color:#999}
.sequence-tokens{display:grid;grid-template-columns:repeat(16,minmax(0,1fr));gap:3px;flex:1;min-width:0}
.code-token{display:block;text-align:center;padding:6px 1px;border:1px solid #444;color:#ccc;font:11px monospace;background:transparent}
.code-token.rest{color:#555;border-color:#222}
.code-token.sounding{background:#fff;color:#000;border-color:#fff;box-shadow:0 0 0 1px #fff;animation:note-on .16s ease-out}
@keyframes note-on{from{box-shadow:0 0 8px #fff9}to{box-shadow:0 0 0 1px #fff}}
@media(max-width:650px){.sequence-row{gap:5px;flex-direction:column;align-items:stretch}.sequence-label{flex:auto;font-size:9px}.code-token{font-size:9px;padding:5px 0}.sequence-tokens{gap:2px}}
/* Strudel-style source panel, behind the full-size artwork. */
body.codeopen #code{left:0;right:auto;width:62%;height:50%;padding:0;background:#202020;opacity:.45;border:1px solid #383838}
body.codeopen #code:focus-within{opacity:.7}
body.codeopen #code>.codehead,body.codeopen #fragment,body.codeopen #steps{display:none}
.repl-bar{position:sticky;top:0;z-index:1;display:flex;gap:12px;align-items:center;background:#161616;border-bottom:1px solid #393939;padding:10px 12px;color:#eee;font:12px monospace}
.repl-bar strong{font-size:18px}.repl-bar small{margin-left:auto;color:#777;font-size:8px}
.repl-source{padding:10px 0 20px;font:12px/1.65 Consolas,'Courier New',monospace;overflow-x:auto}
.source-line{display:flex;min-height:20px;white-space:pre}.source-number{color:#555;flex:0 0 45px;text-align:right;padding-right:10px;user-select:none}.source-text{color:#aaa;white-space:pre}.syntax-comment{color:#7f8999}.syntax-value{color:#b7d97c}.syntax-label{color:#7dd3ef}.syntax-fn{color:#be87da}.source-playing{background:#ffffff09}.source-playing .source-number{color:#888}.source-note{color:#b7d97c;padding:1px 2px}.source-note.note-playing{background:#d7e7b6;color:#171d10;outline:1px solid #e7f9c6}.source-sequence{display:inline}.source-playing .syntax-value{color:#d0ed9d}
body.codeopen #code>.edithead,body.codeopen #code>.editactions,body.codeopen #code>small{margin:12px}body.codeopen #editor{width:calc(100% - 24px);margin:0 12px}
@media(max-width:650px){body.codeopen #code{width:100%;padding:0}.repl-source{font-size:10px}.repl-bar small{display:none}}
/* Full-height source column occupying the left third of the viewport. */
body.codeopen #code{position:fixed;inset:0 auto 0 0;width:33.333333vw;height:100dvh;max-height:100dvh;margin:0;padding:0;z-index:1;overflow:auto}
/* Full-screen experience: artwork above, live score below. */
html,body{height:100%;overflow:hidden}body{height:100dvh;padding:0 24px;display:flex;flex-direction:column}header{height:58px;min-height:58px}main{flex:1;min-height:0;display:grid;grid-template-rows:28px minmax(0,1fr) 56px 24px minmax(180px,32dvh)}main>.eyebrow{padding:9px 0 0;font-size:9px}.stage,body.perform .stage{height:100%;min-height:0;min-width:0;overflow:hidden;position:relative;isolation:isolate}canvas{position:absolute;inset:0;min-height:0;min-width:0}footer{grid-row:3;padding:10px 0;gap:24px}.bottom{grid-row:4;padding:4px 0;font-size:8px}#intro{gap:0}#intro p:first-child{margin:8px 0;font-size:10px}h1{font-size:clamp(30px,6.8vh,80px);margin:10px 0;line-height:.92}.sub{font-size:11px;line-height:1.5;margin:6px 0}#start{margin-top:10px;padding:12px 18px;min-width:210px}small#status{margin-top:10px;font-size:8px}
body.codeopen #code{grid-row:5;position:relative;inset:auto;width:100%;height:100%;max-height:none;min-height:0;overflow:hidden;margin:0;padding:0;background:#191919;opacity:1;border:1px solid #303030;display:flex;flex-direction:column}
#code>.codehead,#fragment,#steps,#code>.edithead,#code>#editor,#code>.editactions,#code>small{display:none}
.repl-bar{display:flex;align-items:center;gap:12px;padding:8px 12px;min-height:36px;flex-shrink:0;background:#141414;border-bottom:1px solid #303030;color:#ddd;font:11px monospace}.repl-bar strong{font-size:16px}.repl-bar small{margin-left:auto;color:#666;font-size:9px}.repl-source{flex:1;min-height:0;overflow:auto;padding:8px 0 16px;font:12px/1.65 Consolas,'Courier New',monospace;color:#aaa;column-width:460px;column-gap:30px;column-fill:auto}
.source-line{display:flex;min-height:20px;white-space:pre;break-inside:avoid}.source-number{color:#53565b;flex:0 0 45px;text-align:right;padding-right:10px;user-select:none}.source-text{white-space:pre}.syntax-comment{color:#778191}.syntax-value{color:#b7d97c}.syntax-label{color:#7dd3ef}.syntax-fn{color:#be87da}.source-playing{background:#ffffff06}.source-note{color:#b7d97c;padding:1px 2px}.source-note.note-playing{background:#d7e7b6;color:#171d10;outline:1px solid #e7f9c6}.source-sequence{display:inline}
@media(max-width:650px){body{padding:0 12px}header{height:52px;min-height:52px}.brand{max-width:none;font-size:10px}nav{gap:10px}main{grid-template-rows:26px minmax(0,1fr) 50px 22px minmax(150px,34dvh)}.stage,body.perform .stage{min-height:0;height:100%}footer{gap:10px;flex-wrap:nowrap}.transport{gap:10px}.pair{gap:5px}.pair>span{font-size:19px}.progress{min-width:0}#time{font-size:9px}.pair small{font-size:7px}.repl-source{font-size:10px;column-width:330px}.repl-bar small{display:none}.eyebrow{font-size:7px}#intro .sub{display:none}h1{font-size:clamp(25px,6vh,48px)}#intro p:first-child{font-size:8px}small#status{font-size:7px}#start{padding:10px 14px;min-width:180px}}
@media(max-height:650px){main{grid-template-rows:24px minmax(0,1fr) 44px 20px minmax(130px,30dvh)}header{height:46px;min-height:46px}#intro p:first-child,.sub{display:none}h1{font-size:clamp(24px,7vh,46px);margin:4px}#start{padding:9px 14px;margin-top:6px}small#status{margin-top:6px}}
.score-settings{position:absolute;right:12px;top:9px;z-index:3;color:#aaa;font:10px monospace}.score-settings summary{cursor:pointer}.settings-body{position:absolute;right:0;top:26px;width:min(490px,85vw);padding:16px;background:#111;border:1px solid #444;box-shadow:0 12px 30px #0009}.settings-body textarea{display:block;height:130px}.settings-body .edithead{display:flex;margin-bottom:10px}.settings-body .editactions{display:flex;margin-bottom:0}.repl-bar small{margin-right:115px}
/* All nine sounding layers remain independently visible and synchronized. */
.repl-source{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));align-content:start;gap:14px 18px;columns:auto;padding:12px}
.repl-source>.source-line{grid-column:1/-1}.track-source{min-width:0;padding:8px 0;border-top:1px solid #333}.track-source .source-number{flex-basis:36px;font-size:10px}.track-source .source-text{white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}.track-source .source-line{white-space:normal}.source-note{display:inline-block;margin:1px 0}.source-playing{background:#b7d97c12}.source-playing .syntax-fn{color:#d5a2f1}
@media(max-width:650px){.repl-source{grid-template-columns:1fr}}

/* Compact nine-track overview: every layer fits without scrolling. */
.repl-source{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:18px repeat(3,minmax(0,1fr));gap:4px 12px;padding:5px 10px;overflow:hidden;font-size:10px;line-height:1.3}
.repl-source>.source-line{min-height:0;height:18px}
.track-source{padding:3px 0;min-height:0;overflow:hidden;border-top:1px solid #303030;display:flex;flex-direction:column;justify-content:flex-start}
.track-source .source-line{min-height:0;line-height:1.3}
.track-source .source-number{display:none}
.track-source .source-text{font-size:clamp(8px,.75vw,11px);line-height:1.3;white-space:normal;overflow-wrap:anywhere}
.track-source .source-line:first-child{margin-bottom:2px}
.track-source .source-line:nth-child(n+3){display:none}
.source-note{padding:0 2px;margin:0;line-height:1.35}
.source-sequence{white-space:normal}
@media(max-width:650px){main{grid-template-rows:24px minmax(0,1fr) 48px 20px minmax(240px,44dvh)}.repl-source{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:15px repeat(3,minmax(0,1fr));gap:3px 6px;padding:4px 6px}.track-source .source-text{font-size:8px}.repl-source>.source-line{font-size:8px}.track-source .source-line:first-child .source-text{font-size:7px}.source-note{padding:0 1px}}
@media(max-height:650px) and (min-width:651px){main{grid-template-rows:22px minmax(0,1fr) 42px 18px minmax(210px,40dvh)}}
.track-source .source-line:nth-child(n+3):nth-child(-n+5){display:flex}
@media(max-width:650px){.track-source .source-line:nth-child(n+3){display:none}}
/* Keep the live score visually secondary to the artwork. */
body.codeopen #code{opacity:.35;transition:opacity .2s ease}
body.codeopen #code:focus-within{opacity:.65}
/* Persistent vertical score column beside the artwork. */
body{padding:0 24px 0 calc(29vw + 20px)}
main{grid-template-rows:28px minmax(0,1fr) 56px 24px}
body.codeopen #code{position:fixed;inset:0 auto 0 0;width:29vw;height:100dvh;max-height:100dvh;margin:0;border:0;border-right:1px solid #333;z-index:2;opacity:.35}
.repl-source{grid-template-columns:minmax(0,1fr);grid-template-rows:18px repeat(9,minmax(0,1fr));gap:3px;padding:6px 10px;overflow:hidden;font-size:10px}
.repl-source>.source-line{grid-column:1}
.track-source{padding:3px 0}
.track-source .source-text{font-size:clamp(8px,.72vw,11px)}
.track-source .source-line:nth-child(n+3){display:none}
.track-source .source-line:nth-child(3){display:flex}
.repl-bar{gap:7px;flex-wrap:wrap}.repl-bar small{display:none}.repl-bar strong{font-size:14px}.repl-bar>span{font-size:9px}
.score-settings{right:8px;top:12px;font-size:8px}.settings-body{position:fixed;left:12px;right:auto;top:44px;width:min(420px,90vw)}
@media(max-width:650px){body{padding:0 10px 0 calc(34vw + 10px)}body.codeopen #code{width:34vw}main{grid-template-rows:26px minmax(0,1fr) 70px 24px}.repl-bar>span{display:none}.score-settings{top:34px}.repl-bar{min-height:52px}.repl-source{grid-template-columns:minmax(0,1fr);grid-template-rows:16px repeat(9,minmax(0,1fr));padding:4px}.track-source .source-text{font-size:8px}.track-source .source-line:nth-child(n+3){display:none}footer{flex-wrap:wrap}.progress{min-width:25%}.bottom>span{font-size:6px}header .brand{font-size:9px}h1{font-size:clamp(24px,5vw,44px)}#intro p:first-child{max-width:85%}}
@media(max-height:650px) and (min-width:651px){main{grid-template-rows:22px minmax(0,1fr) 42px 18px}.track-source .source-line:nth-child(n+3){display:none}}
/* Permanent score: every effect stays visible; only note boxes change. */
.track-source .source-line:nth-child(n){display:flex}
.track-source .source-text{font-size:clamp(6px,.82vh,10px);line-height:1.25}
.track-source .source-line{flex-shrink:0;line-height:1.25}
.track-source{justify-content:flex-start;padding:2px 0}
.track-source .source-line:first-child{margin-bottom:1px}
@media(max-width:650px),(max-height:650px){.track-source .source-line:nth-child(n){display:flex}.track-source .source-text{font-size:clamp(5px,.78vh,9px)}}
/* Narrow score column with larger, crisp bitmap-style monospace text. */
body{padding-left:calc(23vw + 18px)}
body.codeopen #code{width:23vw}
.repl-source,.track-source .source-text{font-family:'Fixedsys Excelsior','Fixedsys','Terminal','Lucida Console',monospace;font-size:clamp(10px,.95vw,14px);font-smooth:never;-webkit-font-smoothing:none;text-rendering:optimizeSpeed;line-height:1.15}
.repl-source{gap:2px;padding:5px 8px;grid-template-rows:18px repeat(9,minmax(0,1fr))}
.track-source .source-line{line-height:1.15}.source-note{padding:0 1px;line-height:1.15}
@media(max-width:650px){body{padding-left:calc(29vw + 10px)}body.codeopen #code{width:29vw}.track-source .source-text{font-size:9px}.repl-source{font-size:9px}}
@media(max-height:700px) and (min-width:651px){.track-source .source-text{font-size:10px}}
/* Clear emphasis in About without changing the monochrome palette. */
#about>p:not(.eyebrow){color:#90959b;font-weight:400}
#about strong{color:#fff;font-weight:800;text-shadow:0 0 1px #ffffff45}
#about a{color:#aeb4bc;text-decoration-color:#646b74;text-underline-offset:3px}
#about a:has(strong){text-decoration-color:#fff}
#about .about-credit{color:#727880;font-size:.92em}
#languagePicker{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:12px;font:11px monospace;color:#777}#languagePicker button{padding:4px 6px;color:#777}#languagePicker button[aria-pressed="true"]{color:#fff;text-decoration:underline;text-underline-offset:5px}#languagePicker button:hover{color:#fff}
@media(max-height:650px){#languagePicker{margin-top:5px;font-size:10px}}
#about{max-height:90dvh;overflow-y:auto}
/* Softer emphasis in the About text. */
#about strong{color:#bdc1c6;font-weight:650;text-shadow:none}
#about a:has(strong){text-decoration-color:#858b92}
/* A wider, consistently spaced reading panel. */
#about{box-sizing:border-box;width:min(920px,calc(100vw - 64px));max-width:920px;max-height:calc(100dvh - 64px);padding:44px 56px;border:1px solid #34383c;border-radius:0;line-height:1.75}
#about>.eyebrow{padding:0;margin:0 0 24px;letter-spacing:1.5px}
#about h2{margin:0 0 30px;font-size:clamp(28px,3.5vw,44px);line-height:1.12;letter-spacing:-1.2px;max-width:760px}
#about>p:not(.eyebrow){margin:0 0 20px;font-size:14px}
#about .about-credit{margin-top:26px;padding-top:20px;border-top:1px solid #282b2e}
#closeAbout{position:absolute;top:18px;right:20px;width:32px;height:32px;display:grid;place-items:center;float:none;padding:0;font-size:26px;line-height:1}
#about>a{display:inline-block;margin:0 0 18px;font-size:12px}
#languagePicker{gap:10px;margin-top:14px;font-size:12px}
#languagePicker button{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid #303030;text-decoration:none}
#languagePicker button[aria-pressed="true"]{border-color:#8b8b8b;background:#ffffff08;text-decoration:none}
#languagePicker button>span{font:17px 'Segoe UI Emoji','Apple Color Emoji','Noto Color Emoji',sans-serif;line-height:1}
#languagePicker>span{display:none}
@media(max-width:650px){#about{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);padding:36px 24px 24px}#about h2{margin-bottom:24px;font-size:29px}#about>p:not(.eyebrow){font-size:13px;margin-bottom:18px}#languagePicker{font-size:11px;gap:8px}#languagePicker button{padding:6px 8px}}
#start{min-width:300px;padding:20px 28px;font-size:17px;font-weight:600;margin-top:18px}#start span{font-size:22px}
#languagePicker button{padding:9px 13px;gap:9px;font-size:12px}#languagePicker img{display:block;width:24px;height:16px;object-fit:cover;border:1px solid #ffffff25;flex-shrink:0}
@media(max-width:650px),(max-height:650px){#start{min-width:240px;padding:15px 22px;font-size:15px;margin-top:10px}#languagePicker button{padding:7px 10px}}
/* Optical centering: equal side space, with the icon outside text flow. */
#start{position:relative;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:64px;min-width:min(320px,90%);max-width:90%;padding:18px 56px;text-align:center;line-height:1.25;letter-spacing:.01em;border:1px solid transparent;border-radius:0;transition:background-color .15s ease,color .15s ease}
#start>span{position:absolute;right:22px;top:50%;transform:translateY(-50%);float:none;font-size:21px;line-height:1}
#start:hover{background:#fff;color:#000;text-decoration:none}
#start:focus-visible{outline:2px solid #fff;outline-offset:5px}
#start:disabled{cursor:wait;opacity:.7}
@media(max-width:650px),(max-height:650px){#start{min-height:52px;min-width:min(270px,90%);padding:14px 46px;font-size:15px}#start>span{right:17px;font-size:19px}}
/* Required introduction before the first performance of each visit. */
#introduction{box-sizing:border-box;width:100vw;max-width:none;height:100dvh;max-height:none;inset:0;margin:0;padding:clamp(24px,6vh,72px) clamp(24px,8vw,120px);border:0;background:#080808;color:#999;overflow-y:auto}
#introduction::backdrop{background:#000}
.introduction-content{max-width:820px;min-height:100%;margin:0 auto;display:flex;flex-direction:column;justify-content:center}
.introduction-eyebrow{font:10px monospace;letter-spacing:1.8px;color:#777;margin:0 0 25px}
#introduction h2{font-size:clamp(32px,4.5vw,62px);font-weight:400;letter-spacing:-.045em;line-height:1.08;margin:0 0 32px;color:#eee}
.introduction-content>p:not(.introduction-eyebrow):not(.introduction-meta){font-size:clamp(14px,1.35vw,17px);line-height:1.75;margin:0 0 20px;max-width:760px}
#introduction strong{font-weight:650;color:#c7cbd0}
.introduction-meta{font:10px monospace;letter-spacing:1px;color:#6e747a;margin:14px 0 24px}
.introduction-actions{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:24px;border-top:1px solid #292929}
.introduction-back{padding:14px 0;color:#888}
.introduction-begin{background:#eee;color:#111;padding:18px 28px;min-width:240px;font-size:15px;text-align:center}
.introduction-begin:hover{background:#fff;text-decoration:none;color:#000}
@media(max-width:650px){#introduction{padding:28px 24px}.introduction-eyebrow{margin-bottom:20px}#introduction h2{margin-bottom:24px}.introduction-actions{gap:15px}.introduction-begin{min-width:0;flex:1;padding:16px 18px}.introduction-meta{font-size:8px;line-height:1.7}}
@media(prefers-reduced-motion:no-preference){#introduction[open] .introduction-content{animation:introduction-in .25s ease-out}@keyframes introduction-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}
/* Let the complete description flow naturally, with the launch action at its end. */
#introduction .introduction-content{justify-content:flex-start;padding-top:12px;padding-bottom:12px}
#introduction .about-credit{padding-top:18px;border-top:1px solid #292929;font-size:13px;color:#777}
#introduction .introduction-content>a{font-size:12px;color:#999;text-decoration:underline;margin:0 0 16px;align-self:flex-start}
/* Compact full introduction while preserving readable paragraph rhythm. */
#introduction{padding:clamp(16px,3vh,32px) clamp(24px,6vw,80px)}
#introduction .introduction-content{max-width:1000px;padding:0;justify-content:center}
#introduction .introduction-eyebrow{font-size:9px;margin-bottom:12px}
#introduction h2{font-size:clamp(26px,3.3vw,42px);line-height:1.08;margin-bottom:18px}
#introduction .introduction-content>p:not(.introduction-eyebrow):not(.introduction-meta){max-width:none;font-size:clamp(12px,1.08vw,14px);line-height:1.5;margin-bottom:11px}
#introduction .introduction-content>.about-credit{padding-top:10px;font-size:11px}
#introduction .introduction-content>a{font-size:11px;margin-bottom:9px}
#introduction .introduction-meta{font-size:9px;margin:6px 0 12px}
#introduction .introduction-actions{padding-top:12px}
#introduction .introduction-begin{padding:14px 24px;font-size:14px}
@media(max-height:800px) and (min-width:651px){#introduction{padding:16px 5vw}#introduction h2{font-size:30px;margin-bottom:12px}#introduction .introduction-content>p:not(.introduction-eyebrow):not(.introduction-meta){font-size:12px;line-height:1.4;margin-bottom:8px}#introduction .introduction-eyebrow{margin-bottom:8px}#introduction .introduction-meta{margin:4px 0 8px}#introduction .introduction-actions{padding-top:8px}}
@media(max-width:650px){#introduction{padding:20px}#introduction .introduction-content{justify-content:flex-start}#introduction h2{font-size:27px}#introduction .introduction-content>p:not(.introduction-eyebrow):not(.introduction-meta){font-size:12px;line-height:1.45;margin-bottom:10px}}
/* Center the complete welcome composition on both axes of the artwork. */
#intro{display:grid;place-items:center;padding:20px;box-sizing:border-box;text-align:center}
.intro-content{width:100%;max-width:760px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:auto;text-align:center;min-width:0}
.intro-content h1,.intro-content p{margin-left:auto;margin-right:auto}
.intro-content #languagePicker{justify-content:center}
@media(max-width:650px),(max-height:650px){#intro{padding:12px}}
.artwork-paragraph{display:flow-root}
.artwork-reference{float:right;display:block;width:clamp(180px,28%,260px);margin:0 0 12px 24px;border:1px solid #303236;line-height:0;transition:border-color .15s}
.artwork-reference:hover{border-color:#777}
.artwork-reference img{display:block;width:100%;height:auto;max-height:190px;object-fit:contain;background:#111}
#introduction .artwork-reference{width:200px;margin-left:20px}
#introduction .artwork-reference img{max-height:150px}
@media(max-width:650px){.artwork-reference,#introduction .artwork-reference{width:42%;margin-left:14px}.artwork-reference img{max-height:160px}}
#imageViewer{box-sizing:border-box;position:fixed;inset:0;margin:auto;width:min(1400px,96vw);max-width:96vw;height:min(94dvh,1100px);max-height:94dvh;padding:56px 16px 16px;background:#090909;border:1px solid #393939;overflow:hidden}
#imageViewer::backdrop{background:rgba(0,0,0,.9)}
.image-viewer-image{display:block;width:100%;height:100%;object-fit:contain}
.image-viewer-close{position:absolute;top:12px;right:16px;padding:9px 14px;color:#eee;background:#202020;border:1px solid #555;font:12px monospace;cursor:pointer}
.image-viewer-close:hover{background:#333;text-decoration:none}
.artwork-reference{cursor:zoom-in}
/* Welcome controls are centered on the viewport, not the offset artwork column. */
body:not(.perform) #intro .intro-content{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(760px,calc(100vw - 48px));max-width:none;margin:0;z-index:3}
#intro .intro-content #start{align-self:center;margin-left:auto;margin-right:auto}
#intro .intro-content #languagePicker{align-self:center;margin-left:auto;margin-right:auto}
/* Keep the performance action unmistakable and centered at the foot of the story. */
#introduction .introduction-actions{position:sticky;bottom:0;z-index:2;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:18px 0 12px;margin-top:12px;background:#080808;border-top:1px solid #343434}
#introduction .introduction-back{grid-column:1;grid-row:1;justify-self:start}
#introduction .introduction-begin{grid-column:2;grid-row:1;justify-self:center;min-width:320px;min-height:60px;padding:18px 32px;font-size:17px;font-weight:650;letter-spacing:.01em;background:#f4f4ee;color:#111;border:1px solid #fff;box-shadow:0 0 24px #ffffff0b;text-align:center}
#introduction .introduction-begin:hover{background:#fff;box-shadow:0 0 26px #ffffff20}
#introduction .introduction-begin:focus-visible{outline:2px solid #fff;outline-offset:5px}
#introduction .introduction-meta{text-align:center}
@media(max-width:650px){body:not(.perform) #intro .intro-content{left:calc(29vw + (71vw / 2));width:calc(71vw - 28px)}#introduction .introduction-actions{grid-template-columns:1fr;gap:10px;padding-top:14px}#introduction .introduction-begin{grid-column:1;grid-row:1;min-width:min(320px,100%);width:100%;min-height:56px;font-size:16px}#introduction .introduction-back{grid-column:1;grid-row:2;justify-self:center;padding:6px 12px}}
/* A quiet invitation to begin; text and button geometry stay still. */
@media(prefers-reduced-motion:no-preference){
#introduction[open] .introduction-begin{animation:performance-invitation 2.8s ease-in-out infinite}
#introduction[open] .introduction-begin:hover,#introduction[open] .introduction-begin:focus-visible{animation:none;box-shadow:0 0 24px 5px #ffffff24}
@keyframes performance-invitation{0%,100%{box-shadow:0 0 10px 0 #ffffff09,0 0 0 0 #ffffff0a}50%{box-shadow:0 0 28px 7px #ffffff24,0 0 0 5px #ffffff06}}
}
@media(prefers-reduced-motion:reduce){#introduction .introduction-begin{animation:none}}
/* Animated arc pattern inside the performance button. */
#introduction .introduction-begin{position:relative;isolation:isolate;overflow:hidden}
#introduction .introduction-begin::before{content:'';position:absolute;inset:-90px;z-index:-1;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cg fill='none' stroke='%23000000' stroke-width='3'%3E%3Cpath d='M0 0A90 90 0 0 1 90 90M90 0A90 90 0 0 1 0 90M90 90A90 90 0 0 1 180 180M90 180A90 90 0 0 1 180 90M0 135Q45 110 90 135M135 0Q110 45 135 90'/%3E%3C/g%3E%3C/svg%3E");background-size:180px 180px;opacity:.17}
#introduction .introduction-begin::after{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(255,255,255,.85) 35%,rgba(255,255,255,.85) 65%,transparent)}
@media(prefers-reduced-motion:no-preference){
#introduction[open] .introduction-begin{animation:performance-button-pulse 2.6s ease-in-out infinite}
#introduction[open] .introduction-begin::before{animation:performance-arcs-flow 6s linear infinite}
#introduction[open] .introduction-begin:hover,#introduction[open] .introduction-begin:focus-visible{animation:performance-button-pulse 2.6s ease-in-out infinite;box-shadow:none}
#introduction[open] .introduction-begin:hover::before{animation-play-state:paused}
@keyframes performance-button-pulse{0%,100%{background-color:#eee;box-shadow:0 0 0 1px #ffffff20}50%{background-color:#c4c8c3;box-shadow:0 0 22px 4px #ffffff30}}
@keyframes performance-arcs-flow{from{background-position:0 0}to{background-position:180px 90px}}
}
@media(prefers-reduced-motion:reduce){#introduction .introduction-begin,#introduction .introduction-begin::before{animation:none}}
#introduction .introduction-begin::before{opacity:.48;filter:contrast(1.4)}
#introduction .introduction-begin::after{background:linear-gradient(90deg,transparent,rgba(255,255,255,.55) 38%,rgba(255,255,255,.55) 62%,transparent)}
/* Softer arc contrast, retaining the 3px pattern strokes. */
#introduction .introduction-begin::before{opacity:.28;filter:none}
/* Photograph follows the artwork description, centered on its own line. */
#about .artwork-reference,#introduction .artwork-reference{float:none;clear:both;display:block;width:min(260px,100%);margin:16px auto 6px}
#about .artwork-reference img,#introduction .artwork-reference img{width:100%;height:auto;max-height:195px;object-fit:contain}
/* Plain white performance button, without pattern or animation. */
#introduction[open] .introduction-begin,#introduction[open] .introduction-begin:hover,#introduction[open] .introduction-begin:focus-visible{animation:none;background:#fff;color:#111;box-shadow:none}
#introduction .introduction-begin::before,#introduction .introduction-begin::after{display:none;animation:none}