:root{color-scheme:dark;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#e8e6df;background:#111311;--acid:#d8f36a;--muted:#9da497}*{box-sizing:border-box}body{margin:0}main{max-width:1140px;padding:38px 28px;margin:auto}header,.transport,.actions,.section-head,.lab{display:flex;align-items:center;gap:18px;flex-wrap:wrap}header{justify-content:space-between}.eyebrow,header,footer{font-size:11px;letter-spacing:1.5px;color:var(--muted)}h1{font-family:system-ui,sans-serif;font-size:clamp(38px,6vw,72px);letter-spacing:-3px;margin:24px 0 8px;line-height:1.06}h1 em{font-style:normal;color:var(--acid)}.intro{color:var(--muted);margin:0 0 30px;font-size:14px}.machine{border:1px solid #42483c;background:#1a1d18;padding:22px;border-radius:12px}.transport{margin-bottom:26px}button,input,select{font:inherit}button{background:#292e25;border:1px solid #535d47;color:#e8e6df;padding:11px 16px;border-radius:5px;cursor:pointer}button:hover{background:#3d4731}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--acid);outline-offset:3px}button:disabled{opacity:.4;cursor:wait}.primary,.acid{background:var(--acid);color:#161a10;border-color:var(--acid);font-weight:bold}.primary:hover,.acid:hover{background:#ebffae}input[type=number]{width:65px;background:#121610;border:1px solid #626c56;color:inherit;padding:8px}input[type=range]{width:100px;accent-color:var(--acid)}label{font-size:12px;color:var(--muted)}#identity{margin-left:auto;color:var(--muted);font-size:11px}.grid-scroll{overflow-x:auto;margin-bottom:24px}#grid{min-width:610px;display:grid;grid-template-columns:105px repeat(16,1fr);gap:5px}.step-number{font-size:10px;color:var(--muted);text-align:center;padding-bottom:8px}.lane-name{font-size:11px;align-self:center}.cell{padding:0;height:39px;background:#272c23;border:1px solid #3b4332;border-radius:3px}.cell.beat{border-left:2px solid #8c9875}.cell.on{background:var(--acid);border-color:var(--acid)}.cell.playing{box-shadow:inset 0 0 0 2px #fff;filter:brightness(1.25)}select{padding:8px;background:#252c21;color:inherit;border:1px solid #535d47}.actions{gap:10px}.actions .acid{margin-left:auto}.judgment{border-top:1px solid #3a4134;margin-top:24px;padding-top:20px;display:grid;grid-template-columns:180px 1fr;gap:16px;align-items:center}.judgment strong{display:block;font:50px system-ui,sans-serif;letter-spacing:-2px}.judgment #negative{font-size:11px;color:var(--muted)}.score-track{height:7px;background:#353d2d;border-radius:5px;overflow:hidden}.score-track i{display:block;height:100%;width:0;background:var(--acid)}#score-note{grid-column:1/-1;font-size:12px;color:var(--muted);margin:0}.lab{padding:26px 0 12px}.lab>div{flex:1;min-width:240px}h2{font:600 17px system-ui,sans-serif;margin:0}.lab p{color:var(--muted);font-size:12px;max-width:430px;line-height:1.7}#status{font-size:12px;color:var(--acid);min-height:40px;padding:8px 0}.section-head{margin:20px 0 16px}.section-head h2{margin-right:auto}#count{color:var(--muted);margin-left:8px}#shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:12px}.card{border:1px solid #414936;border-radius:7px;padding:16px;background:#1a1e17}.card.active{border-color:var(--acid)}.card-top{display:flex;justify-content:space-between;gap:6px;font-size:11px;color:var(--muted)}.card pre{font-size:12px;letter-spacing:2px;line-height:1.5;color:#c2cbb4}.card button{padding:7px 10px;font-size:11px}.card strong{color:var(--acid)}.empty{font-size:12px;color:var(--muted)}details{margin:30px 0;color:var(--muted);font-size:12px;line-height:1.8}summary{cursor:pointer}pre{white-space:pre-wrap;overflow-wrap:anywhere}a{color:var(--acid)}footer{border-top:1px solid #343e2c;padding:22px 0;line-height:2}footer span{float:right}@media(max-width:650px){main{padding:24px 15px}.machine{padding:15px}.actions .acid{margin-left:0}.judgment{grid-template-columns:125px 1fr}footer span{float:none;display:block}}
/* Arrangement additions: compact phrase matrix above the original step editor. */
.hint{font-size:12px;line-height:1.65;color:var(--muted)}#storage-status{font-size:11px;color:var(--muted);margin-bottom:12px;min-height:16px}
.arrangement-scroll{overflow-x:auto;margin:18px 0}#arrangement{display:grid;grid-template-columns:105px repeat(8,1fr);gap:5px;min-width:490px}
.activation{height:38px;padding:0;font-size:18px;background:#262c23;border:1px solid #414b37}.activation.on{background:#698841;color:#f2ffd7;border-color:#8dab65}.activation.focused{border-top:2px solid var(--acid)}
.phrase-number{font-size:12px;padding:8px 0;background:transparent}.phrase-number.focused{border-color:var(--acid);color:var(--acid)}.phrase-number.sounding{background:var(--acid);color:#13170e}
#playhead{font-size:12px;color:var(--acid)}.feedback{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:22px;font-size:12px}.feedback button{padding:10px}.feedback [aria-pressed=true],.card button[aria-pressed=true]{border-color:var(--acid);background:#4c5b2d;color:#efffc9}#human-status{width:100%;color:var(--acid);padding-top:6px}
.lab-controls{padding-top:14px}.options{display:flex;gap:15px;flex-wrap:wrap;margin:12px 0}.options label{cursor:pointer}.options input{accent-color:var(--acid)}h3{font-size:13px}
.card-actions{display:flex;gap:7px;flex-wrap:wrap}.disagreement{font-size:11px;color:var(--acid);line-height:1.7}.card pre{letter-spacing:3px}.card-actions button{min-height:38px}#dimensions{padding-top:14px}#score{font-size:42px}.section-head{gap:12px}
@media(max-width:650px){.transport{gap:12px}.transport label{display:flex;align-items:center;gap:6px}.transport select{max-width:185px}.machine .section-head h2{width:100%}.feedback button{flex:1}.lab-controls .actions{align-items:stretch}.lab-controls .actions label{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.lab-controls select{max-width:240px}.judgment{grid-template-columns:130px 1fr}}
@media(max-width:650px){#arrangement{min-width:0;grid-template-columns:65px repeat(8,minmax(0,1fr));gap:3px}#arrangement .lane-name{font-size:9px}.activation{height:40px}.phrase-number{padding:8px 0;font-size:10px}}

/* Keep choosing, hearing and comparing in one workspace. */
main{max-width:1580px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}.play-area{min-width:0}
#listening{position:sticky;top:16px;max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain;padding:0 12px 16px;border-left:1px solid #42483c;scrollbar-gutter:stable}
#listening>.section-head{margin-top:0}#listening .section-head h2{width:100%}#listening #shelf{grid-template-columns:1fr}.card.active{background:#263020}.card-top{flex-wrap:wrap}.card-top span{overflow-wrap:anywhere}
#comparison{padding:14px;background:#111610;border:1px solid #414936;border-radius:6px;margin:12px 0}#comparison .actions{margin-top:10px}#comparison button{padding:9px 12px;font-size:12px;min-height:42px}#comparison button[aria-pressed=true]{border-color:var(--acid);color:var(--acid)}
#comparison p{margin:6px 0}#lineage{margin:12px 0}#ancestry{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}#ancestry button{font-size:11px;padding:8px;overflow-wrap:anywhere;max-width:100%}.comparison-title{font-size:13px;color:var(--acid)}
.mobile-shelf{display:none}#shelf-dialog{color:inherit;background:#171c14;border:1px solid #535d47;width:min(96vw,560px);max-height:90dvh;padding:14px;border-radius:10px}#shelf-dialog::backdrop{background:#000b}
@media(max-width:1050px){.workspace{display:block}.workspace>#listening{display:none}.mobile-shelf{display:inline-block}#browse-shelf{position:sticky;top:8px;z-index:2;background:#d8f36a;color:#161a10;margin-bottom:12px}#shelf-dialog #listening{display:block;position:static;max-height:none;overflow:visible;border:0;padding:0}#close-shelf{position:sticky;top:0;z-index:2;margin-bottom:16px}#comparison .actions button{flex:1}main{padding:24px 15px}}