.source-grid{display:flex;flex-direction:column;gap:12px}.source-grid[hidden],.balance[hidden],.multi-ruler[hidden],.multi-switches[hidden],.multi-status[hidden],.model-cards[hidden],.selected-model[hidden],#changeModel[hidden]{display:none!important}.track-card{min-width:0;padding:12px 18px}.track-card[hidden]{display:none!important}.track-card .section-title{margin-bottom:3px}.track-card .track-purpose{margin:3px 0}.track-card .drop-instruction{display:none}.track-card .filename{margin:5px 0 10px}.wavebox.multi-lane{position:relative;background:#111a28;border-radius:8px;overflow:hidden;height:110px;min-height:110px;border:1px solid #405069;margin:6px 0}.wavebox.multi-lane canvas{width:100%;height:110px;display:block;cursor:crosshair;touch-action:none}.wavebox.multi-lane canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.multi-lane .multi-empty{position:absolute;inset:0;display:grid;place-items:center;font-size:13px;color:#b4c2d4;pointer-events:none}.multi-empty[hidden]{display:none!important}.multi-source-editor{margin-top:8px}.multi-source-editor>summary{font-size:12px;font-weight:650;color:var(--accent);cursor:pointer;padding:6px 0}.multi-source-editor .wave-tools{justify-content:flex-start;margin-top:8px}.multi-source-editor .wave-scroll{display:none}.multi-source-editor .track-controls{margin-top:10px}.multi-source-editor .speed-control,.multi-source-editor .selection{max-width:620px}.multi-source-editor .source-player{max-width:780px}.multitrack-model{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);margin:12px 0}.multi-picker-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.multitrack-model h2{font-size:22px;margin:4px 0}.multitrack-model h3{font-size:13px;color:var(--muted);margin:14px 0 10px}.model-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.model-card{display:flex;flex-direction:column;gap:8px;align-items:stretch;text-align:left;white-space:normal;min-width:0;border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:12px;color:var(--text);cursor:pointer}.model-card strong{min-height:38px;line-height:1.35;font-size:13px}.model-card svg{display:block;width:100%;height:auto}.model-card>span{font-size:11px;line-height:1.45;font-weight:400;color:var(--muted)}.model-card[aria-checked=true]{border:2px solid var(--accent);padding:11px;box-shadow:0 0 0 2px #ffd05222}.model-card:hover,.model-card:focus-visible{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:2px}.selected-model{display:flex;gap:20px;align-items:center;margin-top:10px}.selected-model svg{width:245px;flex:none}.selected-model strong{font-size:15px}.selected-model p{font-size:12px;color:var(--muted);margin:6px 0}.multi-switches{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;padding:12px 0}.multi-switches strong{margin-right:auto;font-size:14px}.multi-switches label{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}.multi-switches input{width:18px;height:18px;accent-color:var(--accent)}#multiNote{font-size:12px;line-height:1.5;color:var(--muted);margin:10px 0 0}.multi-ruler{display:grid;align-items:center;padding:0 19px;margin:6px 0 0;font-size:11px;color:var(--muted)}.multi-ruler canvas{display:block;width:100%;height:28px}.multi-ruler>span{margin-bottom:3px}#multiScroll{width:100%;margin:4px 0 0;height:12px;accent-color:var(--accent)}.multi-status{font-size:12px;color:var(--accent);margin:6px 19px 12px;line-height:1.5}.source-grid .track-card .section-title h2{font-size:17px}.balance{margin-top:18px}#multiAccess{font-size:12px;color:var(--muted)}.heading .badge{white-space:nowrap}.source-grid .track-card .track-controls .selection{flex-direction:row}.source-grid .track-card audio{width:100%}@media(max-width:1100px){.model-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:680px){.multitrack-model{padding:13px}.multitrack-model h2{font-size:19px}.model-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.model-card{padding:10px}.model-card strong{font-size:12px}.selected-model{gap:10px;flex-direction:column;align-items:stretch}.selected-model svg{width:220px}.track-card{padding:12px}.multi-ruler{padding-inline:13px}.multi-status{margin-inline:13px}.wavebox.multi-lane,.wavebox.multi-lane canvas{min-height:96px;height:96px}.multi-source-editor .wave-tools{gap:4px}.multi-source-editor .source-player{flex-wrap:wrap}.multi-picker-heading{align-items:flex-start}.multi-picker-heading button{font-size:11px;white-space:normal;min-width:80px}.heading .badge{font-size:10px}.multi-switches{gap:12px}.multi-switches strong{width:100%}.multi-source-editor .selection{flex-wrap:wrap}}
/* A fixed label column and one shared time axis, like a conventional multitrack editor. */
body{--multi-sidebar:190px;--multi-row-gap:14px;--multi-row-pad:12px}
.source-grid{gap:5px}
.source-grid .track-card{display:grid;grid-template-columns:var(--multi-sidebar) minmax(0,1fr);column-gap:var(--multi-row-gap);row-gap:0;padding:8px var(--multi-row-pad);border-radius:7px}
.source-grid .track-card>.section-title{grid-column:1;grid-row:1;display:flex;flex-direction:column;align-items:flex-start;align-content:flex-start;justify-content:flex-start;gap:5px;min-height:0;margin:0}
.source-grid .track-card>.section-title h2{font-size:14px;margin:0;line-height:1.3}
.source-grid .track-card>.section-title .actions{justify-content:flex-start;gap:4px}
.source-grid .track-card .upload,.source-grid .track-card>.section-title button{min-height:26px;padding:4px 7px;font-size:10px}
.source-grid .track-card>.track-purpose{display:none}
.source-grid .track-card>.filename{grid-column:1;grid-row:2;min-width:0;min-height:0;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:5px 0 0;font-size:10px;align-self:start}
.source-grid .track-card>.multi-lane{grid-column:2;grid-row:1/3;margin:0;height:94px;min-height:94px;align-self:start}
.source-grid .track-card>.multi-lane canvas{height:94px}
.source-grid .track-card>.multi-source-editor{grid-column:1/-1;grid-row:3;margin-top:3px}
.source-grid .track-card>.multi-source-editor>summary{padding:3px 0;font-size:11px}
.multi-ruler{padding-left:calc(var(--multi-sidebar) + var(--multi-row-gap) + var(--multi-row-pad) + 2px);padding-right:calc(var(--multi-row-pad) + 2px);scroll-margin-top:10px}
.multi-status{margin:4px 0 8px;font-size:11px}
.multi-playback .multi-source-editor{display:none}
.multi-playback .listen-controls .transport{position:fixed;z-index:60;left:max(16px,calc((100% - 1100px)/2));bottom:12px;width:min(calc(100% - 32px),1100px);margin:0;padding:12px 16px;display:grid;grid-template-columns:minmax(0,1fr) 240px;align-items:center;gap:18px;background:var(--panel);border:1px solid var(--accent);border-radius:12px;box-shadow:0 8px 35px #0008}
.multi-playback .transport .monitor-volume{max-width:none;margin:0}
.multi-playback .listening-comic{bottom:122px}
body.multi-playback{padding-bottom:120px}
@media(max-width:680px){body{--multi-sidebar:104px;--multi-row-gap:8px;--multi-row-pad:8px}.source-grid .track-card{padding-block:7px}.source-grid .track-card>.section-title h2{font-size:11px}.source-grid .track-card .section-title h2>.optional-track{font-size:9px;margin-left:0}.source-grid .track-card>.filename{font-size:9px}.source-grid .track-card .upload,.source-grid .track-card>.section-title button{font-size:9px;padding:4px;min-height:24px}.source-grid .track-card>.multi-lane,.source-grid .track-card>.multi-lane canvas{height:92px;min-height:92px}.multi-lane .multi-empty{font-size:10px;padding:5px}.multi-playback .listen-controls .transport{left:8px;bottom:8px;width:calc(100% - 16px);padding:10px;grid-template-columns:1fr;gap:7px}.multi-playback .transport .monitor-volume p{display:none}.multi-playback .transport .monitor-volume input{margin:3px 0;height:16px}.multi-playback .listening-comic{bottom:150px}body.multi-playback{padding-bottom:145px}}
/* Keep listening feedback in the transport, so it cannot obscure an audio clip. */
.source-grid .track-card.dragover{border-width:1px;outline:2px dashed var(--accent);outline-offset:-2px}
.multi-playback .listen-controls .transport{grid-template-columns:minmax(0,1fr) 210px 84px;gap:14px}
.multi-playback .transport .listening-comic{position:static;grid-column:3;grid-row:1;width:84px;border:0;background:transparent;border-radius:0;box-shadow:none;padding:0}
.multi-playback .transport .listening-comic svg{width:68px}
.multi-playback .transport .listening-comic strong{font-size:10px;line-height:1.2}
@media(max-width:680px){.multi-playback .listen-controls .transport{grid-template-columns:minmax(0,1fr) 62px;gap:4px 8px}.multi-playback .transport-main{grid-column:1/-1;grid-row:1}.multi-playback .transport .monitor-volume{grid-column:1;grid-row:2}.multi-playback .transport .listening-comic{grid-column:2;grid-row:2;width:62px}.multi-playback .transport .listening-comic svg{width:56px}.multi-playback .transport .listening-comic strong{font-size:9px}body.multi-playback{padding-bottom:170px}}
.music-start-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 12px;margin:2px 0 8px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.music-start-bar>div{display:grid;gap:4px;min-width:0}.music-start-bar strong{font-size:12px;color:var(--accent)}.music-start-bar span{font-size:11px;color:var(--muted)}.music-start-bar button{font-size:12px;min-height:32px;padding:6px 10px;flex:none}.music-fit-alert{padding:12px;margin:6px 0 10px;border:1px solid #ff8585;border-radius:8px;background:#bf434322;color:var(--text);font-size:13px;line-height:1.5}.music-fit-alert p{margin:0 0 8px}.music-fit-alert[hidden],.music-start-bar[hidden],.music-picker[hidden]{display:none!important}.music-fit-alert button{min-height:30px;padding:5px 9px;font-size:12px}.music-picker{padding:16px;margin:8px 0 12px;border:2px solid var(--accent);border-radius:10px;background:var(--panel);scroll-margin-top:10px}.music-picker h3{margin:0 0 8px;font-size:18px}.music-picker p{font-size:12px;line-height:1.5;margin:7px 0}.music-pick-controls,.music-pick-actions{display:flex;align-items:flex-end;flex-wrap:wrap;gap:8px}.music-pick-controls label{font-size:11px;display:grid;gap:5px;max-width:280px}.music-pick-controls input{width:130px;padding:7px 9px;font:600 14px system-ui;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:6px}.music-pick-controls button,.music-pick-actions button{font-size:12px;padding:7px 10px;min-height:34px}.music-pick-actions{margin-top:10px}.music-picker.invalid{border-color:#ff8585}.music-picker.invalid #musicPickStatus{color:#ffadad}#musicPickWindow{font-weight:700;color:var(--accent)}.music-picking .multi-source-editor{display:none!important}.music-picking .source-grid .track-card>.multi-lane,.music-picking .source-grid .track-card>.multi-lane canvas{height:160px;min-height:160px}.music-picking .track-card>.section-title .actions{display:none}.multi-source-editor .selection[hidden]{display:none!important}.music-picking .multi-status{display:none!important}.multi-playback .music-start-bar,.multi-playback .music-fit-alert{display:none!important}@media(max-width:680px){.music-start-bar{flex-direction:column;align-items:stretch;gap:8px}.music-start-bar button{align-self:flex-start}.music-picker{padding:12px}.music-picker h3{font-size:16px}.music-pick-controls{align-items:center}.music-pick-controls label{width:100%;max-width:none}.music-pick-controls input{width:100%}.music-picker p{font-size:11px}.music-pick-actions button{flex:1;min-width:120px}.music-start-bar strong{font-size:11px}}

/* Guided setup: voice first, then an optional, prominent music start. */
.music-start-bar{padding:15px 18px;border:2px solid var(--accent);gap:18px}.music-start-bar b{font-size:16px;color:var(--text)}.music-start-bar #musicStepHint{font-size:13px;line-height:1.45;margin:0;color:var(--muted)}.music-start-bar button{min-height:44px;font-size:14px;padding:10px 16px}.music-start-bar[data-step=voice] #musicStartSummary,.music-start-bar[data-step=voice] #musicNeedSummary{display:none}

.music-start-bar[data-step=source] #musicStartSummary,.music-start-bar[data-step=source] #musicNeedSummary{display:none}

.music-audition-bar{display:flex;align-items:center;gap:14px;padding:10px 12px;margin:6px 0;border:1px solid var(--accent);border-radius:8px;background:var(--panel)}.music-audition-bar[hidden]{display:none!important}.music-audition-bar button{min-height:44px;font-size:14px;padding:10px 16px;flex:none}.music-audition-bar span{font-size:13px;line-height:1.45;color:var(--text)}@media(max-width:680px){.music-audition-bar{flex-direction:column;align-items:stretch;gap:8px}.music-audition-bar span{font-size:12px}}

.source-grid #endingSettings{grid-column:1/-1;grid-row:4;margin:8px 0 0;padding:10px 12px;border:1px solid var(--line);border-radius:8px}.source-grid #endingSettings[hidden]{display:none!important}.source-grid #endingSettings>label{display:block;font-size:13px;margin-bottom:5px}.source-grid #endingSettings details{margin:5px 0}.source-grid #endingSettings .hint{font-size:12px;line-height:1.5;margin:5px 0}.source-grid #endingSettings>details>summary{display:none}.source-grid #endingTransitionOptions>span{font-size:12px}.multi-playback #endingSettings,.music-picking #endingSettings{display:none!important}

body:has(#studio[hidden]) .manual-link{display:none}
.studio-title-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.studio-title-row h1{margin:0}.manual-title-link{display:inline-flex;align-items:center;gap:8px;padding:10px 17px;border-radius:10px;border:1px solid #ffd24d;background:#ffd24d;color:#172234;font-size:1rem;font-weight:800;text-decoration:none;white-space:nowrap}.manual-title-link:hover{filter:brightness(1.08)}.heading .badge{white-space:normal;line-height:1.5;text-align:center;max-width:300px}[data-evaluation]{letter-spacing:.02em!important}@media(max-width:640px){.studio-title-row{gap:10px}.manual-title-link{padding:9px 14px}.heading{gap:12px;flex-wrap:wrap}.heading .badge{max-width:100%}}