:root{color-scheme:dark;--ink:#c6efd7;--accent:#bcff7c;--muted:#729383;--line:rgba(174,229,191,.19)}*{box-sizing:border-box}body{margin:0;background:#030a08;color:var(--ink);font-family:Arial,Helvetica,sans-serif;overflow:hidden}canvas,.vignette{position:fixed;inset:0;width:100%;height:100%}.vignette{pointer-events:none;background:radial-gradient(ellipse at 50% 46%,transparent 30%,rgba(2,8,6,.55) 100%)}header,footer{position:fixed;left:3.5vw;right:3.5vw;display:flex;justify-content:space-between;align-items:center;z-index:2}header{top:28px}.brand{font-size:29px;font-weight:800;letter-spacing:-2px;color:var(--ink);text-decoration:none}.brand-dot{font-size:10px;vertical-align:top;margin-left:5px;letter-spacing:0}.edition,.tiny,.eyebrow,.caption,.side-label,footer,.transport-bottom,label,#sheet-link,.playback{font:10px 'Courier New',monospace;letter-spacing:1.5px}.edition{color:var(--muted);display:flex;align-items:center;gap:16px}.edition i{height:3px;width:3px;background:var(--accent)}button,select,input,a{-webkit-tap-highlight-color:transparent}button,select{font:inherit;color:inherit;cursor:pointer}button{border:0;background:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.quiet{color:var(--muted);font-size:11px}.quiet:hover{color:var(--ink)}.side-label{position:fixed;left:3.5vw;top:43%;writing-mode:vertical-rl;transform:rotate(180deg);color:var(--muted);font-size:9px;z-index:1}main{position:fixed;inset:18% 12% 34%;pointer-events:none;text-align:center;display:flex;flex-direction:column;justify-content:space-between}.eyebrow{font-size:10px;letter-spacing:3px;color:var(--muted)}.live-dot{display:inline-block;width:5px;height:5px;border-radius:100%;background:var(--accent);margin-right:10px;box-shadow:0 0 12px var(--accent)}.caption{display:flex;justify-content:center;align-items:center;gap:15px;font-size:9px;color:var(--muted)}.caption-line{height:1px;width:32px;background:var(--line)}.intro{position:fixed;top:68%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:3;transition:opacity .4s}#begin{background:var(--accent);color:#0b1a0d;padding:17px 23px;font:10px 'Courier New',monospace;letter-spacing:2px;border-radius:2px;white-space:nowrap}.play-icon{margin-right:13px}.intro p{font-size:12px;line-height:1.8;color:#a7bfb0}.intro p span{font:9px 'Courier New',monospace;color:var(--muted)}body.started .intro{opacity:0;pointer-events:none}.transport{position:fixed;z-index:2;bottom:112px;left:3.5vw;width:350px;padding:17px 18px;border:1px solid var(--line);background:rgba(5,16,11,.83);backdrop-filter:blur(18px);border-radius:5px}.transport-top,.transport-bottom,.playback{display:flex;align-items:center;justify-content:space-between;gap:10px}.track-heading{display:flex;flex-direction:column;gap:7px}.tiny{font-size:8px;color:var(--muted);letter-spacing:1.5px}select{background:transparent;border:0;max-width:210px;font-size:12px;padding:0}option{background:#0b1913}#sheet-link{font-size:8px;color:var(--muted);text-decoration:none;letter-spacing:0}.playback{gap:8px}.playback button{font-size:20px;line-height:28px;width:24px}.playback #play{font-size:16px;color:var(--accent)}#clock{font-size:10px;min-width:32px;letter-spacing:0}.progress{height:2px;background:var(--line);margin:18px 0 14px}#progress-fill{height:100%;background:var(--accent);width:0}.transport-bottom{font-size:8px;letter-spacing:.7px}.transport-bottom label{font-size:8px;display:flex;align-items:center;gap:7px;letter-spacing:.5px}.transport-bottom select{font-size:10px}.volume-label input{width:50px;accent-color:var(--accent);height:2px}#next-phrase{font:9px 'Courier New',monospace;letter-spacing:0;padding:0}.variant-switcher{position:fixed;z-index:2;bottom:120px;right:3.5vw;border:1px solid var(--line);border-radius:40px;display:flex;align-items:center;padding:8px 10px;gap:14px;background:rgba(5,16,11,.8)}.variant-switcher>span{display:flex;flex-direction:column;gap:6px;min-width:140px;text-align:center}#variant-name{font:9px 'Courier New',monospace;letter-spacing:1px}.variant-switcher button{padding:8px;color:var(--accent)}footer{bottom:28px;align-items:flex-end;font-size:9px;line-height:1.8;color:var(--muted);letter-spacing:1px}.metrics{display:flex;flex-direction:column;text-align:center;font-size:8px}kbd{border:1px solid var(--line);padding:2px 5px;margin-left:9px;font-size:9px}#restore-ui{display:none;position:fixed;bottom:20px;right:20px;z-index:5}.ui-hidden header,.ui-hidden footer,.ui-hidden .transport,.ui-hidden .variant-switcher,.ui-hidden .side-label,.ui-hidden main,.ui-hidden .intro{display:none}.ui-hidden #restore-ui{display:block}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}#error{position:fixed;z-index:8;bottom:30px;left:20%;right:20%;padding:15px;background:#3a1717;color:#fff;font-size:13px}body[data-variant="B"]{--ink:#d6e8ff;--accent:#87beff;--muted:#8097b5;--line:rgba(155,195,255,.2);background:#040810}body[data-variant="C"]{--ink:#f1e7cf;--accent:#f0c77e;--muted:#a99b80;--line:rgba(230,200,151,.2);background:#0a0804}@media(max-width:700px){header{top:20px}.edition{display:none}.brand{font-size:25px}.side-label{display:none}main{inset:19% 5% 43%}.eyebrow{font-size:8px;letter-spacing:1.5px}.caption{font-size:7px;gap:7px}.transport{left:5%;width:90%;bottom:102px;padding:14px 16px}.variant-switcher{bottom:35px;left:50%;right:auto;transform:translateX(-50%);white-space:nowrap;padding:5px 10px}.variant-switcher>span{min-width:150px}footer{bottom:12px;font-size:7px}footer>span,footer .metrics{display:none}footer #hide-ui{margin-left:auto;font-size:9px}.intro{top:58%}.intro p{font-size:10px}#begin{padding:14px 19px;font-size:9px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Version 2: the entire viewport is the field; the interface floats above it. */
.vignette{background:radial-gradient(ellipse at 50% 50%,transparent 55%,rgba(2,8,6,.16) 100%)}
.transport{top:88px;bottom:auto;background:rgba(5,16,11,.52);backdrop-filter:blur(12px)}
.variant-switcher{top:88px;bottom:auto;background:rgba(5,16,11,.48);backdrop-filter:blur(10px)}
main{inset:76px 3.5vw auto 45%;display:block;text-align:right}
.eyebrow{display:none}.caption{justify-content:flex-end;font-size:8px}
.side-label{display:none}.intro{top:54%;background:rgba(3,10,8,.65);backdrop-filter:blur(8px);padding:16px;border-radius:4px}
footer{pointer-events:none}footer button{pointer-events:auto}
@media(max-width:700px){
 .transport{top:72px;bottom:auto;left:5%;width:90%;padding:12px 15px}
 main{inset:218px 5% auto;text-align:left}.caption{justify-content:space-between}
 .variant-switcher{top:auto;bottom:35px}
 .intro{top:55%}.intro p{margin-bottom:0}
}
/* Playback spans the viewport; the moving note trace floats immediately above it. */
.progress{position:fixed;z-index:4;bottom:0;left:0;right:0;height:3px;margin:0;background:var(--line);pointer-events:none}
#progress-fill{box-shadow:0 0 12px var(--accent),0 0 28px var(--accent)}
.transport-bottom{margin-top:16px}
@media(max-width:700px){.variant-switcher{bottom:105px}footer{bottom:12px}main{top:210px}}
@media(max-width:700px){.variant-switcher{top:198px;bottom:auto}main{top:54px}}
.track-links{display:flex;align-items:center;gap:10px}
.track-links a{font:8px 'Courier New',monospace;letter-spacing:0;color:var(--muted);text-decoration:none}
.track-links a:hover{color:var(--ink)}
#score{width:200px;max-width:100%;text-overflow:ellipsis}
.caption #topic{max-width:calc(100% - 75px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:400px){#score{width:175px}.track-links{gap:8px}.playback{gap:4px}}
.instrument-control{display:flex;align-items:center;justify-content:space-between;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);font-size:8px;letter-spacing:1px}
#instrument{font:11px 'Courier New',monospace;max-width:165px;text-align:right}
.transport-bottom{margin-top:14px}
@media(max-width:700px){.instrument-control{margin-top:10px;padding-top:9px}.transport-bottom{margin-top:10px}.variant-switcher{top:228px}main{top:54px}}
/* Score categories and a compact, keyboard-accessible playlist. */
#category{max-width:210px;color:var(--accent);font:10px 'Courier New',monospace;letter-spacing:.4px;padding:3px 0}
.playlist{position:relative;max-width:220px}.playlist summary{cursor:pointer;font:12px/1.4 Arial,sans-serif;color:var(--ink);list-style:none}.playlist summary::-webkit-details-marker{display:none}.playlist summary:after{content:' ▾';color:var(--accent)}
.playlist-tracks{position:absolute;bottom:calc(100% + 8px);left:0;width:290px;max-height:min(330px,50vh);overflow-y:auto;background:#08120f;border:1px solid var(--line);border-radius:4px;box-shadow:0 12px 28px #0009;z-index:6}
.playlist-track{display:block;text-align:left;width:100%;padding:11px 13px;border-bottom:1px solid var(--line);font:12px/1.4 Arial,sans-serif;color:var(--ink)}.playlist-track small{display:block;margin-top:4px;font-size:10px;color:var(--muted)}.playlist-track:hover,.playlist-track.is-playing{background:#ffffff0d;color:var(--accent)}
.ai-origin{color:var(--accent);font:9px 'Courier New',monospace;letter-spacing:1px;border:1px solid var(--accent);padding:4px 6px;width:max-content}.ai-origin[hidden]{display:none}
.field-controls{display:flex;justify-content:space-between;gap:10px;margin-top:12px}.field-controls label{display:flex;gap:6px;align-items:center;font:8px 'Courier New',monospace;letter-spacing:.5px;color:var(--muted)}.field-controls select{font-size:10px;color:var(--ink)}
@media(max-width:700px){.playlist-tracks{width:min(290px,80vw)}.field-controls{margin-top:8px}}
/* Top navigation, readable meaning controls, and a compact player. */
header .variant-switcher{position:static;transform:none;inset:auto;padding:4px 8px;gap:8px;backdrop-filter:none;background:#07130fbb}
header .variant-switcher>span{min-width:160px}header .variant-switcher button{padding:7px}
main{inset:102px 3.5% auto;align-items:flex-end;pointer-events:none}.caption{pointer-events:auto;display:flex;align-items:flex-end;flex-direction:column;gap:8px;color:var(--ink)}
.caption #topic{font:500 15px/1.45 Arial,sans-serif;letter-spacing:.3px;max-width:min(560px,85vw);white-space:normal;overflow:visible;text-overflow:clip;text-align:right}
.meaning-controls{display:flex;align-items:center;gap:8px;color:var(--muted);font:10px 'Courier New',monospace;letter-spacing:1px}.meaning-controls button{color:var(--ink);min-width:32px;min-height:30px;font:18px Arial,sans-serif}.meaning-controls button:hover,.meaning-controls button[aria-pressed=true]{color:var(--accent)}.meaning-controls button[aria-pressed=true]{background:#ffffff14;border-radius:4px}
.transport{top:auto;bottom:65px;left:3.5%;width:350px;padding:0;background:rgba(5,16,11,.92);backdrop-filter:none;z-index:4}
.transport-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:12px 15px;cursor:pointer;list-style:none;color:var(--ink);font:12px Arial,sans-serif}.transport-summary::-webkit-details-marker{display:none}.transport-summary>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.transport-expand{color:var(--accent);font:9px 'Courier New',monospace;white-space:nowrap}.transport[open] .transport-expand{font-size:0}.transport[open] .transport-expand:after{content:'CLOSE ▾';font-size:9px}
.transport-content{padding:4px 16px 16px;border-top:1px solid var(--line)}
@media(max-width:700px){header{gap:5px}header .brand{font-size:21px}header .variant-switcher{gap:3px;padding:3px 4px}header .variant-switcher>span{min-width:120px}header .variant-switcher button{padding:6px}header .variant-switcher .tiny{font-size:7px}header #variant-name{font-size:8px;letter-spacing:.3px}header #fullscreen{font-size:9px;white-space:nowrap}header #fullscreen span{display:none}.interest-cta{top:68px}main{top:108px;left:5%;right:5%;align-items:flex-end}.caption #topic{font-size:13px;max-width:90vw}.transport{top:auto;bottom:58px;left:5%;width:min(90%,350px)}.transport-content{padding:4px 14px 12px}.transport-summary{min-height:40px;padding:10px 14px}}
/* Compact musical readout below the UI toggle. */
.footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:5px}.footer-right .metrics{display:flex;flex-direction:row;align-items:center;gap:9px;text-align:right;font:10px 'Courier New',monospace;letter-spacing:.5px}.footer-right #note-readout{color:var(--ink);transition:color .14s,text-shadow .14s}.footer-right #note-readout.note-active{color:var(--accent);text-shadow:0 0 5px var(--accent),0 0 12px var(--accent)}
@media(max-width:700px){footer .footer-right .metrics{display:flex}footer .footer-right{margin-left:auto}footer #hide-ui{margin-left:0}}
@media(prefers-reduced-motion:reduce){.footer-right #note-readout.note-active{text-shadow:none}}
/* Filter the field by editorial lens. */
.lens-nav{position:fixed;z-index:3;top:82px;left:3.5%;display:flex;align-items:center;gap:4px;padding:5px;border:1px solid var(--line);border-radius:4px;background:rgba(5,16,11,.83)}
.lens-nav .lens-label{padding:0 7px;color:var(--muted);font:9px 'Courier New',monospace;letter-spacing:1px}.lens-nav button{padding:7px 9px;color:var(--ink);font:11px Arial,sans-serif;border-radius:3px}.lens-nav button:hover{background:#ffffff0c}.lens-nav button[aria-pressed=true]{color:var(--accent);background:#ffffff14}.ui-hidden .lens-nav{display:none}
@media(max-width:700px){.lens-nav{top:108px;left:5%;right:5%;justify-content:center;gap:2px}.lens-nav .lens-label{display:none}.lens-nav button{padding:7px 8px;font-size:11px}main{top:155px}}
/* Dock the lenses beneath the centered theme switcher. */
.lens-nav{top:76px;left:50%;right:auto;transform:translateX(-50%);width:max-content}
@media(max-width:700px){.lens-nav{top:64px;left:50%;right:auto;width:max-content;max-width:90vw}.lens-nav button{padding:7px 8px}main{top:155px}}
/* Lenses are docked below the topic and meaning controls. */
main .lens-nav{position:static;transform:none;width:max-content;max-width:100%;margin-top:8px;pointer-events:auto}
@media(max-width:700px){main{top:108px}main .lens-nav{max-width:100%;margin-top:8px}}
main{display:flex;flex-direction:column;align-items:flex-end}
/* Lens labels sit between the topic and meaning controls. */
main .lens-nav{margin:0;padding:0;border:0;border-radius:0;background:transparent;gap:3px}
main .lens-nav .lens-label{display:none}
main .lens-nav button{padding:5px 7px;border-radius:0;border-bottom:1px solid transparent;color:var(--ink)}
main .lens-nav button[aria-pressed=true]{background:transparent;color:var(--accent);border-bottom-color:var(--accent)}
/* Mobile: leave the field open and keep controls close to the edges. */
@media(max-width:700px){
  main .lens-nav{display:none}
  header .variant-switcher{gap:0;padding:0;background:transparent;border-color:transparent}
  header .variant-switcher>span{position:relative;min-width:12px;width:12px;height:12px;display:block;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
  header .variant-switcher>span .tiny,header #variant-name{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  header .variant-switcher button{width:40px;height:40px;padding:0;color:var(--ink)}
  main{top:72px}.caption{gap:3px}.caption #topic{font-size:11px;line-height:1.35;letter-spacing:.1px;max-width:80vw;color:var(--muted)}
  .meaning-controls{gap:4px;font-size:9px}.meaning-controls button{min-width:32px;min-height:36px;font-size:16px}
  .transport{bottom:75px;left:5%;width:calc(45vw - 8px);background:rgba(5,16,11,.68);border-color:var(--line)}
  .transport-summary{min-height:42px;padding:9px 10px;font-size:10px;gap:6px}.transport-expand{font-size:8px}
  .transport[open]{width:90%;background:rgba(5,16,11,.96)}
  .transport[open] .transport-summary{font-size:11px}
}
/* Additional field palettes. */
body[data-variant="D"]{--ink:#ecdfff;--accent:#d6b5ff;--muted:#a797bb;--line:rgba(214,181,255,.25);background:#0a0710}
body[data-variant="E"]{--ink:#d0f4f5;--accent:#8ee7ef;--muted:#8ab5b8;--line:rgba(142,231,239,.25);background:#031012}
/* Mission is an optional entry point; the field can be explored without audio. */
.intro{top:50%;width:min(570px,calc(100vw - 40px));padding:25px 28px 23px;background:rgba(3,10,8,.9);border:1px solid var(--line);border-radius:4px}
.intro .intro-kicker{margin:0 0 12px;color:var(--accent);font:10px/1.4 'Courier New',monospace;letter-spacing:2px}
.intro h1{margin:0;color:var(--ink);font:500 clamp(25px,3.4vw,39px)/1.12 Arial,sans-serif;letter-spacing:-1px}
.intro .intro-vision{margin:12px 0 0;color:var(--accent);font:15px/1.45 Arial,sans-serif}
.intro .intro-byline{max-width:475px;margin:13px auto 20px;color:var(--ink);font:13px/1.6 Arial,sans-serif}
.intro-actions{display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap}
.intro-silent{padding:12px 4px;color:var(--ink);font:11px 'Courier New',monospace}
@media(max-width:700px){.intro{top:50%;width:min(420px,calc(100vw - 32px));padding:20px 18px}.intro .intro-kicker{font-size:9px}.intro h1{font-size:26px}.intro .intro-vision{font-size:14px}.intro .intro-byline{font-size:12px;line-height:1.5;margin-bottom:16px}.intro-actions{gap:12px}.intro-silent{font-size:10px}}