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/* Instrument edition: the room remains the main stage, with quieter controls. */
.mechanism-stage{position:relative;height:280px;margin:1.5rem 0;background:radial-gradient(ellipse at 50% 90%,#57625944,transparent 70%),linear-gradient(#09171b,#172526);border:1px solid #b9a16b55;overflow:hidden;border-radius:3px}.mechanism-stage canvas{display:block;width:100%;height:100%;cursor:grab}.mechanism-stage canvas:active{cursor:grabbing}.stage-instruction{position:absolute;bottom:.65rem;left:1rem;font-size:.75rem;letter-spacing:.08em;color:#bfc7b9;pointer-events:none}.train-modal[data-panel=case],.train-modal[data-panel=heat],.train-modal[data-panel=piano]{width:min(950px,calc(100% - 3rem))}.train-modal[data-panel=heat] .mechanism-stage{height:300px}.thermal-readouts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#b6a16b55;border:1px solid #b6a16b55}.thermal-readouts>div{padding:1rem;background:#0d1f24;text-align:center}.thermal-readouts small{font-size:.75rem;letter-spacing:.08em;display:block;color:#b7c2b8}.thermal-readouts strong{font:2.2rem/1.7 Georgia,serif;color:var(--gold);display:block}.thermal-readouts span{font-size:.875rem;color:#ccd1c3}.thermal-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.5rem 0}.thermal-controls>div{border:1px solid var(--line);padding:1rem;text-align:center;background:#d9bc8010}.thermal-controls h3{margin-bottom:.4rem;color:var(--gold)}.thermal-controls small{font-size:.8125rem;color:#c1c7b9}.thermal-controls>div>div{display:flex;gap:.5rem;align-items:center;justify-content:center;margin-top:.9rem}.thermal-controls button{width:44px;height:44px;font-size:1.5rem;color:var(--gold)}.thermal-controls output{font:1.5rem Georgia,serif;min-width:1.5rem}.recording-button{display:inline-flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-color:#cbb77b77;color:var(--gold);font-size:.9375rem;min-height:44px}.recording-button span{font-size:1.5rem;line-height:1}.voice-transcript{margin:1rem 0 1.5rem}.voice-transcript summary{cursor:pointer;font-size:.875rem;color:#cdd3c7}.voice-transcript p{border-left:1px solid var(--gold);padding-left:1.1rem;font:1.1rem/1.8 Georgia,serif}.voice-subtitle{position:absolute;z-index:35;bottom:155px;left:50%;transform:translateX(-50%);width:min(640px,calc(100% - 3rem));border-left:2px solid var(--gold);background:#061319ed;padding:1rem 3rem 1rem 1.2rem;box-shadow:0 12px 60px #0006;pointer-events:none}.voice-subtitle>span{font-size:.75rem;letter-spacing:.1em;color:var(--gold)}.voice-subtitle>p{font:1.1rem/1.55 Georgia,serif;margin:.45rem 0 0;color:#f0e8d3}.voice-subtitle>button{pointer-events:auto;position:absolute;right:.45rem;top:.3rem;font-size:1.5rem;border:0;width:40px;height:40px}.departure-cinema{position:absolute;inset:0;z-index:45;pointer-events:none;background:linear-gradient(#050a0df5 0 9%,transparent 15% 68%,#050a0ded 87%)}.cinema-top{position:absolute;top:2.7rem;left:3rem;right:3rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.cinema-top>span{font-size:.75rem;letter-spacing:.22em;color:var(--gold)}.cinema-top>button{pointer-events:auto;padding:.65rem 1rem;background:#112228bb;border-color:#d9bf8377;font-size:.875rem}.cinema-bottom{position:absolute;bottom:7vh;left:8vw;right:8vw}.cinema-bottom>p{color:var(--gold);font-size:.8125rem;letter-spacing:.18em}.cinema-bottom h2{font:clamp(2rem,4vw,4.2rem)/1.12 Georgia,serif;color:#ede8d6;margin:1rem 0 2rem}.cinema-bottom>div{height:1px;width:200px;background:#c2b48855}.cinema-bottom i{display:block;height:100%;width:0;background:var(--gold)}.departing .train-scene{bottom:0}.departing .train-header{display:none}.archive-awake .scene-vignette{background:radial-gradient(ellipse at 50% 70%,#dfc68b2b,transparent 70%)}.object-tray{border-color:#c6b78a55;min-width:12rem;padding:.75rem 1rem}.object-tray>summary{cursor:pointer;color:var(--gold);font-size:.875rem;list-style:none;min-height:28px;display:flex;gap:1.5rem;align-items:center;justify-content:space-between}.object-tray>summary:after{content:'+';font-size:1.25rem}.object-tray[open]>summary:after{content:'−'}.object-tray[open]>div{padding-top:.5rem;border-top:1px solid var(--line);margin-top:.6rem}.car-heading{max-width:610px}.car-heading h1{font-size:clamp(1.8rem,2.6vw,2.7rem)}.train-header-actions>button{font-size:.875rem}.piano-keys button{height:90px}.train-modal h2{max-width:750px}.train-marker{min-height:38px;font-size:.8125rem}.train-marker.far{opacity:.32}.train-instruction{font-size:.875rem}.train-tool-row>button{font-size:.875rem}
@media(min-width:1000px){.train-modal[data-panel=heat] .mechanism-stage{height:320px}.train-modal[data-panel=coupling] .mechanism-stage{height:225px}}
@media(max-width:760px){.train-modal[data-panel=case],.train-modal[data-panel=heat],.train-modal[data-panel=piano]{width:calc(100% - 1.25rem)}.mechanism-stage,.train-modal[data-panel=heat] .mechanism-stage{height:225px}.thermal-controls{gap:.45rem}.thermal-controls>div{padding:.65rem .3rem}.thermal-controls>div>div{gap:.3rem}.thermal-controls button{width:35px;height:44px}.thermal-controls h3{font-size:1rem}.thermal-controls small{font-size:.75rem;display:block;min-height:2.5rem}.thermal-readouts>div{padding:.75rem .4rem}.thermal-readouts strong{font-size:1.8rem}.voice-subtitle{bottom:160px;width:calc(100% - 2rem);padding:.85rem 2.8rem .85rem .85rem}.voice-subtitle>p{font-size:1rem}.voice-subtitle>span{font-size:.75rem}.object-tray{min-width:0;max-width:55vw;padding:.5rem .7rem}.object-tray>summary{font-size:.8125rem;gap:.7rem}.car-heading{max-width:calc(100% - 2rem)}.car-heading p:last-child{font-size:.875rem;line-height:1.65}.cinema-top{top:1.5rem;left:1rem;right:1rem;flex-wrap:wrap}.cinema-bottom{left:1.5rem;right:1.5rem}.train-instruction{display:none}.stage-instruction{font-size:.75rem;left:.6rem}.train-car-tabs button{font-size:.875rem}.train-header-actions>button{font-size:.875rem}.train-header{padding:.7rem}.departure-title h1{word-break:normal;overflow-wrap:normal;font-size:clamp(2.4rem,9vw,4.8rem)}}
@media(max-width:360px){.thermal-controls{grid-template-columns:1fr}.thermal-controls>div{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:.5rem}.thermal-controls small{grid-column:1;min-height:0}.thermal-controls>div>div{grid-column:2;grid-row:1/3;margin:0}.thermal-controls h3{margin:0}.chapter-brand{font-size:.7rem}.chapter-brand>span:first-child{display:none}.train-header-actions{gap:.25rem}.train-header-actions>button{padding:.45rem;font-size:.8125rem}}

@media(max-width:760px){.train-touch:after{content:"Drag to look";grid-column:1/-1;font-size:.75rem;color:#ddd7c3;text-align:center;padding-top:.2rem;pointer-events:none}}

.modal-voice-caption{position:sticky;bottom:-2.5rem;z-index:4;background:#071a20f7;border-top:1px solid #dec58a88;margin:1.5rem -2.5rem -2.5rem;padding:1rem 4rem 1.2rem 2.5rem;box-shadow:0 -10px 35px #0004}.modal-voice-caption>span{font-size:.75rem;letter-spacing:.1em;color:var(--gold)}.modal-voice-caption>p{font:1.05rem/1.55 Georgia,serif;margin:.45rem 0 0;color:#f0e8d3}.modal-voice-caption>button{position:absolute;right:1rem;top:.7rem;width:44px;height:44px;font-size:1.5rem;border:0}@media(max-width:760px){.modal-voice-caption{bottom:-1.5rem;margin:1.3rem -1.3rem -1.5rem;padding:.9rem 3.4rem 1rem 1.3rem}.modal-voice-caption>button{right:.3rem}.modal-voice-caption>p{font-size:1rem}}