:root{
  color-scheme: dark;
  --ink:#0b0909;
  --velvet:#6a0610;
  --red:#c8102e;
  --bone:#ece6da;
  --smoke:rgba(236,230,218,.64);
  --faint:rgba(236,230,218,.38);
  --line:rgba(236,230,218,.14);
  --glass:rgba(16,12,12,.82);
  --display:"Bodoni Moda", "Didot", "Bodoni 72", Georgia, serif;
  --ui:"Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --mono:"DM Mono", ui-monospace, Menlo, monospace;
}
[hidden]{display:none!important}
*{box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{margin:0;background:var(--ink);color:var(--bone);font:14px/1.45 var(--ui);-webkit-font-smoothing:antialiased}
#gl{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab;outline:none}
#gl:active{cursor:grabbing}
button,select,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}

/* brand + chip */
.brand{position:fixed;top:calc(14px + env(safe-area-inset-top,0px));left:16px;z-index:5;pointer-events:none;display:flex;flex-direction:column;gap:2px}
.brand b{font:italic 500 21px/1 var(--display);letter-spacing:.01em}
.brand span{font:500 10px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
#about{pointer-events:auto;align-self:flex-start;margin-top:9px;padding:8px 0;background:none;border:0;border-bottom:1px solid var(--line);font:11px var(--ui);color:var(--smoke)}
#about:hover{color:var(--bone)}
#chip{position:fixed;top:calc(12px + env(safe-area-inset-top,0px));right:16px;z-index:6;display:flex;align-items:center;gap:10px;background:var(--glass);border:1px solid var(--line);border-radius:3px;padding:8px 12px;font:500 11px/1 var(--mono);letter-spacing:.06em;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
#chip .ar{color:var(--bone);font-size:12px}
#chip .dim{color:var(--faint)}
#chip .caret{width:7px;height:7px;border-right:1.5px solid var(--smoke);border-bottom:1.5px solid var(--smoke);transform:rotate(45deg) translateY(-2px);transition:transform .2s}
#chip[aria-expanded="true"] .caret{transform:rotate(-135deg) translateY(-1px)}

/* panel */
#panel{position:fixed;top:calc(56px + env(safe-area-inset-top,0px));right:16px;z-index:6;width:370px;max-width:calc(100vw - 32px);max-height:calc(100% - 150px);overflow:auto;background:var(--glass);border:1px solid var(--line);border-radius:3px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:6px 0}
#panel section{padding:14px 16px;display:flex;flex-direction:column;gap:10px}
#panel section+section{border-top:1px solid var(--line)}
#panel h2{margin:0;font:500 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;color:var(--smoke)}
select{background:#1a1414;border:1px solid var(--line);border-radius:2px;padding:8px 10px}
table.sizes{width:100%;border-collapse:collapse;font:12px/1.3 var(--mono);font-variant-numeric:tabular-nums}
table.sizes td{padding:6px 10px 6px 0;border-bottom:1px solid var(--line);white-space:nowrap}
table.sizes td:last-child{padding-right:0}
table.sizes td:nth-child(2){color:var(--smoke);white-space:normal}
table.sizes td:last-child{text-align:right}
table.sizes tr:last-child td{border-bottom:0}
.slider{display:grid;grid-template-columns:62px 1fr 56px;align-items:center;gap:10px;font-size:12px;color:var(--smoke)}
.slider output{font:12px var(--mono);text-align:right;color:var(--bone);font-variant-numeric:tabular-nums}
input[type=range]{accent-color:var(--red);width:100%}
.media{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:6px 8px;font-size:12px}
.media .name{min-width:0;display:flex;flex-direction:column}
.media .name b{font-weight:500}
.media .name small{font:11px var(--mono);color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.btn{background:transparent;border:1px solid var(--line);border-radius:2px;padding:6px 10px;font-size:12px;line-height:1.1}
.btn:hover{border-color:var(--smoke)}
.btn.x{padding:6px 8px;color:var(--faint)}
.btn.x[disabled]{opacity:.3;cursor:default}
.file{position:relative;overflow:hidden}
.file input{position:absolute;inset:0;opacity:0;cursor:pointer}
.toggles{display:flex;flex-wrap:wrap;gap:8px}
.tog{display:flex;align-items:center;gap:8px;font-size:12px;border:1px solid var(--line);border-radius:2px;padding:6px 10px;cursor:pointer}
.tog input{accent-color:var(--red);margin:0}
.fine{margin:0;font-size:11px;color:var(--faint)}

/* views */
#views{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:5;display:flex;gap:2px;max-width:calc(100vw - 32px);overflow-x:auto;background:var(--glass);border:1px solid var(--line);border-radius:3px;padding:4px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);scrollbar-width:none}
#views::-webkit-scrollbar{display:none}
#views button{flex:0 0 auto;background:none;border:0;border-bottom:2px solid transparent;padding:8px 11px 6px;font:500 11px/1 var(--ui);letter-spacing:.08em;text-transform:uppercase;color:var(--smoke);white-space:nowrap}
#views button:hover{color:var(--bone)}
#views button.on{color:var(--bone);border-bottom-color:var(--red)}
#views .sep{width:1px;background:var(--line);margin:6px 4px;flex:0 0 1px}
body:not(.exploring) #views,body:not(.exploring) #hint,body:not(.exploring) .brand,body:not(.exploring) #chip,body:not(.exploring) #panel,body:not(.exploring) #hpState{visibility:hidden}

#hint{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(66px + env(safe-area-inset-bottom,0px));z-index:4;font:11px/1.3 var(--mono);letter-spacing:.04em;color:var(--faint);text-align:center;width:calc(100vw - 32px);pointer-events:none;transition:opacity .8s}
#tip{position:fixed;z-index:7;pointer-events:none;font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;background:var(--bone);color:var(--ink);padding:6px 8px;border-radius:2px;transform:translate(14px,14px);white-space:nowrap}
#toast{position:fixed;left:50%;top:calc(64px + env(safe-area-inset-top,0px));transform:translateX(-50%);z-index:8;background:var(--bone);color:var(--ink);font-size:13px;padding:9px 14px;border-radius:2px;max-width:calc(100vw - 32px);text-align:center}
#hpState{position:fixed;left:16px;bottom:calc(70px + env(safe-area-inset-bottom,0px));z-index:5;font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--bone);display:flex;align-items:center;gap:8px}
#hpState i{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(200,16,46,.25);animation:pulse 1.6s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(200,16,46,0)}}

/* intro */
#intro{position:fixed;inset:0;z-index:9;display:grid;grid-template-rows:auto 1fr auto;isolation:isolate;overflow:auto;padding:36px clamp(28px,6.6vw,110px) 28px;background:#090909;transition:opacity 1.2s ease}
#intro::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#090909 0%,rgba(9,9,9,.97) 27%,rgba(9,9,9,.55) 53%,rgba(9,9,9,.07) 78%),linear-gradient(0deg,rgba(9,9,9,.7),transparent 25%)}
.intro-image{position:fixed;top:0;right:-12%;z-index:-2;width:90%;height:100%;object-fit:cover;object-position:50% 50%;opacity:.86}
.intro-header{display:flex;justify-content:space-between;gap:20px;font:10px/1.5 var(--ui);letter-spacing:.18em;text-transform:uppercase;color:var(--smoke)}
#intro.gone{opacity:0;pointer-events:none}
.intro-inner{align-self:center;display:flex;flex-direction:column;align-items:flex-start;gap:25px;padding:62px 0 48px;max-width:530px}
.intro-inner .kicker{margin:0;font:10px/1.5 var(--ui);letter-spacing:.15em;text-transform:uppercase;color:var(--smoke)}
.intro-inner h1{margin:0;font:400 clamp(54px,6.8vw,98px)/.98 var(--display);letter-spacing:-.045em}
.intro-inner h1 em{font-weight:400}
.intro-copy{max-width:44ch;font-size:14px;line-height:1.8;color:rgba(236,230,218,.78)}
.intro-copy p{margin:0}
.intro-copy p+p{margin-top:15px}
#enter{display:flex;align-items:center;gap:36px;margin-top:2px;background:var(--bone);color:var(--ink);border:1px solid var(--bone);border-radius:0;padding:17px 21px;font:500 11px/1.2 var(--ui);letter-spacing:.06em}
#enter span{font-size:19px;line-height:1}
#enter:hover{background:#fff;border-color:#fff}
.intro-footer{font:10px/1.6 var(--ui);letter-spacing:.04em;color:var(--smoke)}
body:not(.exploring) .tfc-series-back.tfc-amn{background:#161415c9;border-color:var(--line);top:24px}
@media(max-width:760px){
  #intro{padding:28px 27px max(24px,env(safe-area-inset-bottom))}
  .intro-header{min-height:50px;font-size:9px}
  .intro-header span:last-child{display:none}
  .intro-image{right:-36%;width:160%;opacity:.6;object-position:52% 50%}
  #intro::after{background:linear-gradient(90deg,rgba(9,9,9,.84),rgba(9,9,9,.46)),linear-gradient(0deg,#090909,rgba(9,9,9,.2) 70%)}
  .intro-inner{padding:35px 0 34px;gap:23px;max-width:440px}
  .intro-inner h1{font-size:clamp(56px,12vw,78px)}
  .intro-inner .kicker{font-size:9px;letter-spacing:.1em}
  .intro-copy{font-size:13px;line-height:1.85}
  .intro-footer{font-size:9px}
  body:not(.exploring) .tfc-series-back.tfc-amn{top:17px;left:auto;right:25px;transform:none}
}

/* Desk actions mirror the paper and headphone objects for keyboard and touch. */
#deskActions{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(76px + env(safe-area-inset-bottom,0px));z-index:5;display:flex;gap:6px;padding:4px;background:var(--glass);border:1px solid var(--line);border-radius:3px;backdrop-filter:blur(10px)}
#deskActions button{min-height:44px;padding:10px 15px;border:1px solid transparent;background:none;color:var(--bone);font:12px var(--ui);white-space:nowrap}
#deskActions button:hover,#deskActions button[aria-pressed="true"]{border-color:var(--line);background:#ece6da12}
body:not(.exploring) #deskActions{visibility:hidden}
body:has(#deskActions:not([hidden])) #hint{visibility:hidden}
body:has(#deskActions:not([hidden])) #hpState{display:none}
#gl:focus-visible{outline:2px solid var(--bone);outline-offset:-4px}
.file:focus-within{outline:2px solid var(--bone);outline-offset:2px}

/* Native modal isolates every background control, including All works. */
#writer{color-scheme:light;position:fixed;inset:0;margin:auto;width:min(460px,calc(100% - 32px));max-width:none;max-height:calc(100% - 32px);max-height:calc(100svh - 32px);padding:0;border:0;border-radius:1px;background:#efe8da;color:#1f1b2b;box-shadow:0 30px 80px #0009;overflow:auto;overscroll-behavior:contain}
#writer::backdrop{background:rgba(6,4,4,.72)}
#writer .sheet{padding:24px;display:flex;flex-direction:column;gap:14px}
#writer h2{margin:0;font:400 24px/1.15 var(--display);letter-spacing:-.02em}
#writer textarea{display:block;width:100%;height:clamp(110px,38svh,300px);min-height:110px;border:1px solid transparent;border-bottom-color:#1f1b2b38;padding:8px 0;background:transparent;resize:vertical;font:500 26px/1.35 "Caveat","Bradley Hand",cursive;color:#1f1b2b}
#writer textarea:focus-visible{outline:2px solid #8b182e;outline-offset:3px}
#writer .row{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
#writer .btn{min-height:44px;border-color:#1f1b2b70;color:#1f1b2b}
#writer .btn.solid{background:#1f1b2b;color:#efe8da;border-color:#1f1b2b}
#writer .fine{color:#514b53;line-height:1.5}
@media(max-height:450px){#writer .sheet{padding:16px;gap:10px}#writer h2{font-size:21px}#writer textarea{height:110px;font-size:22px}}

@media (max-width:640px){
  .brand b{font-size:17px}
  #chip .dim{display:none}
  #views{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:calc(100% - 24px);bottom:calc(12px + env(safe-area-inset-bottom,0px));overflow:visible;gap:0}
  #views .sep{display:none}
  #views button{min-height:44px;padding:8px 3px 6px;font-size:9px;line-height:1.2;letter-spacing:.045em;white-space:normal}
  #panel{top:auto;bottom:calc(114px + env(safe-area-inset-bottom,0px));max-height:calc(100% - 184px)}
  table.sizes{font-size:10px}
  table.sizes td{padding-right:6px}
  #hint{bottom:calc(114px + env(safe-area-inset-bottom,0px));font-size:10px;max-width:34ch}
  #hpState{bottom:calc(158px + env(safe-area-inset-bottom,0px))}
  #deskActions{bottom:calc(116px + env(safe-area-inset-bottom,0px))}
  #writer .sheet{padding:18px}
  #writer .row .btn{flex:1 1 auto}
}

/* Still images remain available when the interactive room cannot start. */
body.graphics-unavailable{height:auto;min-height:100%;overflow:auto}
html:has(body.graphics-unavailable){overflow:auto}
.graphics-unavailable > :not(#graphicsFallback):not(script):not(.tfc-series-back){display:none!important}
#graphicsFallback{max-width:1440px;margin:0 auto;padding:110px 24px 50px;text-align:center}
#graphicsFallback .kicker{font:11px var(--mono);letter-spacing:.25em;text-transform:uppercase;color:var(--smoke)}
#graphicsFallback h1{font:italic 400 clamp(40px,7vw,90px)/1 var(--display);margin:22px 0}
#graphicsFallback p{color:var(--smoke)}
.fallback-stills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:48px 0}
.fallback-stills figure{margin:0}
.fallback-stills img{display:block;width:100%;height:auto}
.fallback-stills figcaption{margin-top:12px;font:11px var(--mono);color:var(--smoke)}
.fallback-note{max-width:58ch;margin:0 auto}
@media (max-width:640px){.fallback-stills{grid-template-columns:1fr;gap:28px}}
@media (prefers-reduced-motion:reduce){#intro,#hint,#chip .caret{transition:none}#hpState i{animation:none}}

/* A bounded native settings dialog keeps controls usable on short screens. */
#chip,#about{min-height:44px}
#panel{inset:calc(64px + env(safe-area-inset-top,0px)) 16px auto auto;margin:0;color:var(--bone);max-height:calc(100svh - 80px - env(safe-area-inset-top,0px));padding:0;overscroll-behavior:contain}
#panel::backdrop{background:#08060855}
.panel-header{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 16px;background:#161214;border-bottom:1px solid var(--line)}
#panel .panel-header h2{color:var(--bone);font-size:12px;letter-spacing:.04em;text-transform:none}
#panelClose{min-width:54px;min-height:44px;border:0;background:transparent;color:var(--bone);font-size:12px}
#panel h2{font-size:11px;color:var(--smoke)}
#panel .fine,#panel .media .name small{color:var(--smoke);line-height:1.5}
#panel select,#panel .btn,#panel .tog,#panel input[type=range]{min-height:44px}
#panel .btn.file{display:grid;place-items:center}
#panel .btn.x{min-width:44px;color:var(--smoke)}
#panel .slider{grid-template-columns:48px minmax(0,1fr) 52px;gap:8px}
#panel .sizes{font-size:11px}
#panel input:disabled{opacity:.7}
#projectionPause[aria-pressed="true"]{background:#ece6da12;border-color:var(--smoke)}
#retryGraphics{min-height:44px;margin-top:22px;color:var(--bone)}
.reduced-movement #intro,.reduced-movement #hint,.reduced-movement #chip .caret{transition:none}
.reduced-movement #hpState i{animation:none}
@media(max-height:450px){#panel{top:16px;max-height:calc(100svh - 32px)}}

#fallbackWriting{max-width:620px;margin:24px auto;text-align:left}#savedWriting{width:100%;min-height:160px;padding:16px;font:18px/1.5 var(--ui);background:#efe8da;color:#1f1b2b;border:1px solid var(--line)}