:root{--blue:#365eca;--ink:#24354b;--muted:#6a788b;--line:#d9e0ea;--page:#edf1f6;--amber:#996a20}*{box-sizing:border-box}body{margin:0;background:var(--page);font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:var(--ink)}button,input,select,textarea{font:inherit;color:inherit}button,select{border:1px solid var(--line);border-radius:7px;background:#fff;padding:8px 13px}button{cursor:pointer;min-height:38px}button:hover{border-color:#839cda}button:disabled{opacity:.42;cursor:default}button.active,button[aria-pressed=true]{background:#e8eefc;color:var(--blue);border-color:#bacaf0}.primary{background:var(--blue);color:white;border-color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8aaaf7;outline-offset:3px}a{color:var(--blue)}h1,h2,h3,p{margin:0}p{color:var(--muted)}header{height:76px;position:fixed;inset:0 0 auto;z-index:10;display:flex;align-items:center;gap:18px;background:white;border-bottom:1px solid var(--line);padding:0 25px}.brand{font-size:23px;font-weight:700;text-decoration:none;color:var(--ink);white-space:nowrap}h1{font-size:15px;font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#library-toggle{display:none}#library{position:fixed;top:76px;bottom:88px;width:225px;padding:25px 18px;background:#f8fafd;border-right:1px solid var(--line);overflow:auto}#library h2{font-size:15px;margin-bottom:12px}#projects{display:grid;gap:5px;margin-bottom:20px}#projects button{border-color:transparent;background:transparent;text-align:left;padding:12px 10px}#projects button.active{background:#e4ebfa}#projects b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}#projects small{color:var(--muted)}#library>button{width:100%;margin:4px 0}.library-footer{margin-top:42px;font-size:12px}.library-footer p{margin:10px 0;overflow-wrap:anywhere}main{margin:76px 0 88px 225px;padding:30px 40px;max-width:1500px}.workspace-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:24px}.workspace-heading h2,#welcome h2{font-size:26px;font-weight:650}.workspace-heading p{margin-top:7px;font-size:12px}nav{display:flex;gap:5px;white-space:nowrap}nav button{border:0;background:transparent}.timeline{background:#f8fafd;border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:22px}.timeline summary{font-size:15px;font-weight:600;cursor:pointer}.timeline summary span{font-weight:400;font-size:12px;color:var(--muted);margin-left:12px}.timeline p{font-size:12px;margin:8px 0 12px}.track{display:grid;grid-template-columns:130px 1fr;gap:15px;align-items:center;padding:6px 0}.track-label{display:flex;align-items:center;gap:3px}.track-label button{border:0;background:transparent;padding:3px 6px;font-size:11px;min-height:30px}.track-label .part-button{font-size:13px;font-weight:600;min-width:44px}.track-label button.active{background:#dfe8fc}.wave{position:relative;height:36px;cursor:crosshair;background:#edf1f8;border-radius:3px;overflow:hidden}.wave canvas{width:100%;height:100%;display:block}.wave i{position:absolute;top:0;bottom:0;width:1px;background:var(--ink);left:0;pointer-events:none}.ruler{display:flex;justify-content:space-between;padding-left:145px;font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted)}.score-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:20px 0 15px}.score-tools label{margin-right:auto}.paper{background:white;box-shadow:0 3px 16px #2638580b;min-height:280px;padding:26px 30px;border:1px solid #e0e5ed}.paper-heading{text-align:center;padding:5px 0 15px}.paper-heading span{font-size:12px}.paper-heading h2{font-size:23px;margin:6px 0}.paper-heading p{font-size:11px}#score-message{font-size:13px;color:var(--amber);padding:10px}#score{overflow:auto}#score svg{max-width:100%}.note-panel{margin:25px 0}.note-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.note-header h3{font-size:16px}.note-header p{font-size:12px}#notes{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:7px}.note{display:flex;flex-direction:column;align-items:flex-start;text-align:left;padding:11px 13px;background:#f9fbff}.note small{color:var(--muted);font-size:11px}.note.corrected{border-left:3px solid #327558}.note.hearing{background:#dce8ff;border-color:#799ceb}.pagination{display:flex;justify-content:center;gap:18px;align-items:center;padding:15px;font-size:12px}#practice,#exports{padding:20px;background:#e7edf9;margin:15px 0;border-radius:8px}#practice p,#exports p{margin:8px 0 12px;font-size:12px}.export-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}#save-status{font-size:12px;margin-top:20px;color:#327558}.path{font-size:11px;overflow-wrap:anywhere}.transport{position:fixed;z-index:10;bottom:0;left:0;right:0;height:88px;display:flex;align-items:center;gap:16px;padding:15px 30px;background:#fff;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}#seek{flex:1;min-width:40px;accent-color:var(--blue)}.transport label{white-space:nowrap}.transport button{white-space:nowrap}#welcome{padding:70px 25px;max-width:800px}#welcome p{margin:15px 0 25px}#job{padding:18px;background:#e6edfc;border-radius:8px;margin-bottom:20px}#job>div{display:flex;justify-content:space-between;align-items:center}#job-progress{width:100%;accent-color:var(--blue)}#job p{font-size:12px}#error{padding:15px;border:1px solid #d5afa4;border-radius:8px;background:#fff7f3;margin-bottom:15px}dialog{width:min(520px,calc(100vw - 24px));border:1px solid var(--line);border-radius:13px;box-shadow:0 15px 70px #20365430;padding:30px;max-height:88vh;color:var(--ink)}dialog::backdrop{background:#24354b55}dialog #close{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:20px}dialog h2{font-size:23px;margin:10px 0}dialog p{font-size:13px;margin-bottom:15px}dialog label{display:grid;gap:5px;margin:12px 0}dialog input,dialog textarea{border:1px solid var(--line);padding:9px;border-radius:6px;width:100%}dialog input[type=checkbox]{width:auto}.inline{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.candidate{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:8px 0}.dialog-error{color:#a03b23;font-size:13px;min-height:20px}.history-row{padding:12px 0;border-bottom:1px solid var(--line)}.history-row small{display:block;color:var(--muted)}#toast{position:fixed;left:50%;bottom:104px;transform:translateX(-50%);max-width:80vw;background:var(--ink);color:#fff;padding:12px 20px;border-radius:8px;opacity:0;pointer-events:none;z-index:30}#toast.visible{opacity:1}[hidden]{display:none!important}
@media(max-width:1050px){main{padding:25px}#library{width:190px}main{margin-left:190px}.transport{gap:10px;padding:12px 20px}.workspace-heading{align-items:flex-start;flex-direction:column}}
@media(max-width:720px){header{height:65px;padding:0 14px;gap:8px}.brand{font-size:20px}header h1{display:none}header #import{margin-left:auto}#library-toggle{display:block}header button{font-size:12px;padding:7px}#library{display:none;top:65px;bottom:115px;width:260px;z-index:9;box-shadow:10px 0 25px #24354b22}#library.open{display:block}main{margin:65px 0 126px;padding:22px 14px}.workspace-heading h2{font-size:23px}.timeline{padding:13px}.track{grid-template-columns:108px 1fr;gap:5px}.track-label button{padding:4px}.ruler{padding-left:113px}.paper{padding:16px 8px}.score-tools button{font-size:12px}.note-header{flex-direction:column;align-items:flex-start}#notes{grid-template-columns:repeat(3,1fr)}.note{padding:8px}.transport{height:115px;flex-wrap:wrap;gap:8px;padding:10px 14px}.transport #seek{flex-basis:45%}.transport label,.transport button{font-size:12px}.transport button{min-height:40px}.transport #play{min-width:44px}dialog{padding:25px 20px}button{min-height:42px}#welcome{padding:35px 6px}}
@media print{@page{size:A4;margin:12mm}body{background:white}header,#library,.transport,.timeline,.workspace-heading,.score-tools,.note-panel,#practice,#exports,#save-status,#output-path,#job,#error,.paper-heading,#score-message,dialog,#toast{display:none!important}main{margin:0;padding:0;max-width:none}.paper{padding:0;box-shadow:none;border:0}#score{overflow:visible}#score>div{break-after:page}#score svg{width:100%;height:auto;max-width:100%;break-inside:avoid}}

#print-warning{display:none}body[data-score-ready="false"] #print{opacity:.65}
@media print{body[data-score-ready="false"] #score{display:none!important}body[data-score-ready="false"] #print-warning{display:block!important;color:#24354b;padding:20mm;font-size:14pt}}

@media print{#retry-score{display:none!important}}

/* Music desk layout: the score stays central; correction tools behave like a margin. */
:root{--blue:#315dcc;--blue-deep:#24499f;--blue-soft:#e9eefc;--ink:#17243b;--muted:#68758a;--line:#cfd7e2;--page:#eef2f7;--paper:#fff;--playhead:#e4572e;--verified:#287a5d}
body{font-size:14px;background:var(--page);letter-spacing:.002em}
button,select{border-radius:6px}
button{transition:background-color .12s ease,border-color .12s ease,color .12s ease}
.primary{background:var(--blue);border-color:var(--blue)}
.primary:hover{background:var(--blue-deep);border-color:var(--blue-deep)}
.primary-soft{background:var(--blue-soft);border-color:#bccbf0;color:var(--blue-deep);font-weight:600}
header{height:64px;padding:0 22px;gap:12px;box-shadow:0 1px 0 #fff8}
.brand{display:flex;align-items:center;gap:7px;font-size:21px;letter-spacing:-.025em}
.brand span{color:var(--blue);font-size:18px}
header h1{font-size:14px;color:var(--muted)}
#library{top:64px;bottom:76px;width:248px;padding:24px 16px;background:#f5f7fa}
#library h2{font-size:13px;color:var(--muted);font-weight:600}
#projects button{border-left:3px solid transparent;border-radius:4px;padding:10px 11px}
#projects button.active{border-left-color:var(--blue);background:var(--blue-soft);color:var(--blue-deep)}
main{margin:64px 0 76px 248px;padding:30px 34px;max-width:1720px}
.section-kicker{color:var(--blue);font-size:11px;font-weight:700;margin-bottom:3px}
.workspace-heading{align-items:flex-end;margin-bottom:24px}
.workspace-heading h2{font-size:28px;line-height:1.2;letter-spacing:-.035em}
.workspace-heading p:last-child{font-variant-numeric:tabular-nums}
nav{gap:0;border-bottom:1px solid var(--line)}
nav button{display:flex;align-items:center;gap:7px;padding:9px 14px 10px;border-radius:0;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
nav button span{display:grid;place-items:center;width:19px;height:19px;border:1px solid var(--line);border-radius:50%;font-size:10px}
nav button.active{background:transparent;color:var(--blue-deep);border-bottom-color:var(--blue)}
nav button.active span{background:var(--blue);border-color:var(--blue);color:#fff}
.timeline{background:transparent;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0;padding:15px 0 17px;margin-bottom:20px}
.timeline summary{list-style:none;display:flex;align-items:baseline;gap:10px}
.timeline summary::-webkit-details-marker{display:none}
.timeline summary:before{content:'▾';font-size:11px;color:var(--blue)}
.timeline:not([open]) summary:before{content:'▸'}
.track{grid-template-columns:174px 1fr;gap:12px;padding:4px 0}
.track-label{gap:4px}
.track-label .part-button{min-width:54px;text-align:left;padding-left:0}
.track-label .mix-button{padding:3px 7px;font-size:11px;color:var(--muted)}
.track-label .mix-button.active{color:var(--blue-deep);background:var(--blue-soft)}
.wave{height:32px;border-radius:2px;background:repeating-linear-gradient(90deg,#edf1f7 0,#edf1f7 calc(10% - 1px),#dfe5ee calc(10% - 1px),#dfe5ee 10%)}
.wave i{width:2px;background:var(--playhead)}
.ruler{padding-left:186px}
.score-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:17px 0 12px;padding:0}
.score-tools-main{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.score-tools-main label{font-weight:600}
.score-tools select{margin-left:5px;min-width:96px}
.more-actions{position:relative}
.more-actions>summary{cursor:pointer;list-style:none;border:1px solid var(--line);border-radius:6px;background:#fff;padding:8px 12px;min-height:38px}
.more-actions>summary::-webkit-details-marker{display:none}
.more-actions>summary:after{content:' ···';color:var(--muted)}
.more-actions>div{position:absolute;right:0;top:44px;z-index:8;width:160px;padding:7px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 28px #1b2d4a20}
.more-actions>div button{width:100%;margin:2px 0;text-align:left}
.workbench{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:22px;align-items:start}
.score-column{min-width:0;grid-column:1;grid-row:1}
.paper{min-height:560px;padding:30px 34px;border:1px solid #d8dee7;box-shadow:0 8px 28px #182a4710}
.paper-heading{border-bottom:1px solid #e7ebf0;margin-bottom:8px}
.paper-heading span{color:var(--blue);font-weight:650}
.paper-heading h2{font-size:22px;letter-spacing:-.025em}
#score-message:empty{display:none}
#score-message{margin:8px 0;border-left:3px solid #d6a354;background:#fff8ed;padding:9px 11px}
.note-panel{grid-column:2;grid-row:1;position:sticky;top:84px;border-left:1px solid var(--line);padding-left:18px;max-height:calc(100vh - 176px);overflow:auto;scrollbar-gutter:stable;margin:0}
.note-header{display:block;margin-bottom:12px}
.note-header h3{font-size:18px;letter-spacing:-.02em}
.note-header p:not(.section-kicker){margin:4px 0 10px;line-height:1.5}
#jump-notes{width:100%;background:transparent;color:var(--blue-deep)}
#notes{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.note{position:relative;display:grid;grid-template-columns:64px 48px minmax(0,1fr);align-items:center;gap:8px;width:100%;min-height:45px;padding:8px 7px;border:0;border-bottom:1px solid #e3e8ef;border-radius:0;background:transparent}
.note:hover{background:#f7f9fc}
.note small{font-variant-numeric:tabular-nums;color:var(--muted)}
.note b{font-size:14px}
.note span{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.note i{position:absolute;right:7px;top:2px;color:var(--verified);font-size:9px;font-style:normal}
.note.corrected{border-left:3px solid var(--verified);padding-left:4px}
.note.hearing{background:#fff1ea;box-shadow:inset 3px 0 var(--playhead)}
.empty-notes{padding:18px 4px}
.pagination{position:sticky;bottom:0;background:#eef2f7f2;backdrop-filter:blur(8px);padding:10px 0;gap:12px}
.pagination button{min-width:40px;padding:6px 10px;font-size:20px}
#practice,#exports{border-radius:0;border-left:3px solid var(--blue);background:var(--blue-soft)}
body[data-mode="export"] .workbench{grid-template-columns:minmax(0,1fr)}
body[data-mode="export"] .note-panel{display:none}
#save-status{color:var(--verified)}
.transport{height:76px;left:248px;gap:18px;padding:10px 24px;background:#fffdfd;box-shadow:0 -6px 24px #17243b10}
.transport-main{display:flex;align-items:center;gap:12px;min-width:240px;flex:1}
.transport-practice{display:flex;align-items:center;gap:10px}
#play{border-radius:50%;width:46px;height:46px;padding:0;flex:0 0 auto}
#clock{width:42px;font-weight:650;font-variant-numeric:tabular-nums}
#seek{accent-color:var(--playhead)}
.loop-range{display:flex;align-items:center;gap:4px;color:var(--muted)}
.loop-range button{font-variant-numeric:tabular-nums;padding:7px 9px}
.loop-toggle{display:flex;align-items:center;gap:5px;padding:7px 9px;border:1px solid var(--line);border-radius:6px}

@media(max-width:1180px){
 #library-toggle{display:block}
 #library{display:none;z-index:12;box-shadow:12px 0 30px #17243b20}
 #library.open{display:block}
 main{margin-left:0;padding:26px 24px}
 .transport{left:0}
 .workbench{grid-template-columns:minmax(0,1fr) 286px;gap:16px}
 .track{grid-template-columns:160px 1fr}.ruler{padding-left:172px}
}
@media(max-width:820px){
 header{height:60px;padding:0 14px;gap:7px}.brand{font-size:19px}header h1{display:none}header #import{margin-left:auto}
 main{margin-top:60px;margin-bottom:118px;padding:22px 14px}
 #library{top:60px;bottom:118px}
 .workspace-heading{align-items:flex-start;flex-direction:column;gap:14px}.workspace-heading h2{font-size:24px}
 nav{width:100%}nav button{flex:1;justify-content:center}
 .timeline{padding:13px 0}.track{grid-template-columns:142px 1fr;gap:6px}.ruler{padding-left:148px}
 .track-label .part-button{min-width:46px}.track-label .mix-button{font-size:10px;padding:3px 5px}
 .score-tools{align-items:flex-start}.score-tools-main{flex:1}
 .workbench{display:flex;flex-direction:column}.paper{padding:18px 10px;min-height:390px}.paper-heading{padding-top:0}
 .note-panel{order:-1;position:relative;top:auto;max-height:none;overflow:visible;border-left:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:0 0 20px}
 #notes{display:grid;grid-template-columns:1fr 1fr}.note{grid-template-columns:56px 42px minmax(0,1fr)}
 .pagination{position:static;background:transparent;backdrop-filter:none}
 .transport{height:118px;display:block;padding:9px 14px}.transport-main{height:49px}.transport-practice{height:47px;justify-content:space-between;border-top:1px solid #e6eaf0;padding-top:7px}
}
@media(max-width:560px){
 header #advanced{font-size:0;width:38px;padding:0}header #advanced:after{content:attr(data-caption);font-size:11px}
 .workspace-heading h2{font-size:22px}
 nav button{padding:8px 7px;font-size:12px}nav button span{display:none}
 .timeline>p{display:none}.track{grid-template-columns:122px 1fr}.ruler{padding-left:128px}.track-label .part-button{min-width:40px}
 .score-tools{display:block}.score-tools-main{display:grid;grid-template-columns:1fr 1fr}.score-tools-main label{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between}.score-tools-main select{flex:1;margin-left:10px}.more-actions{margin-top:8px}.more-actions>summary{text-align:center}.more-actions>div{left:0;right:auto;width:100%}
 #notes{grid-template-columns:1fr}.note{grid-template-columns:62px 44px minmax(0,1fr)}
 .transport-practice{gap:5px}.transport-practice label{font-size:11px}.transport-practice select{padding:6px}.loop-range button{padding:6px;font-size:11px}.loop-toggle{padding:6px;font-size:11px}
}
@media(prefers-reduced-motion:reduce){button{transition:none}.note-panel{scroll-behavior:auto}}
dialog #save-note,dialog #save-new,dialog #save-notation,dialog #apply-transpose{position:sticky;bottom:-1px;z-index:2;width:100%;margin-top:12px;box-shadow:0 -10px 18px #fff}
@media print{.workbench{display:block}.score-column{display:block}.more-actions{display:none!important}.transport{display:none!important}}
:root{--track-selected:#edf2ff}
.track-heading{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:18px}.track-heading h2{font-size:20px;margin:0 0 7px}.track-heading p{margin:0;font-size:13px;color:var(--muted)}.track-category{font-size:11px;color:var(--muted);text-align:right;line-height:1.6;flex-shrink:0}
#tracks .track{display:grid;grid-template-columns:155px minmax(90px,1fr) auto;gap:16px;align-items:center;min-height:76px;padding:10px 12px;border-bottom:1px solid var(--line);border-left:3px solid transparent}
#tracks .track.selected{background:var(--track-selected);border-left-color:var(--blue)}
.track-name{display:flex;flex-direction:column;gap:7px;align-items:flex-start;text-align:left;background:transparent!important;border:0!important;padding:6px!important;min-height:48px}.track-name b{font-size:15px}.track-name small{font-size:11px;color:var(--muted);font-weight:400}.track-actions{display:flex;gap:6px;align-items:center}.track-actions button{font-size:12px;min-height:36px;padding:6px 10px;white-space:nowrap}.include-button.active{color:var(--blue-deep);background:var(--blue-soft);border-color:#aabbea}
#tracks .wave{height:48px;min-width:0;overflow:hidden;background:transparent}.track-heading+.track-focus{padding:10px}#track-focus:not([hidden]){display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 12px}#track-focus span{font-size:12px;color:var(--muted)}.listening-bar{flex-wrap:wrap}#viewing-label{font-size:12px;color:var(--muted)}.export-path{display:block;font-size:12px;overflow-wrap:anywhere;margin-top:16px;color:var(--muted)}.follow-score{display:flex;gap:8px;align-items:center;font-size:12px;padding:0 0 10px;color:var(--muted)}
@media(max-width:1180px){#tracks .track{grid-template-columns:140px minmax(90px,1fr)}.track-actions{grid-column:2;justify-content:flex-end}.track-name{grid-row:span 2}#tracks .wave{height:36px}.track-category{display:none}}
@media(max-width:600px){#tracks .track{grid-template-columns:1fr;gap:8px;padding:12px 4px}.track-name{grid-row:auto;flex-direction:row;align-items:center;justify-content:space-between;width:100%;min-height:40px}.track-actions{grid-column:1;justify-content:stretch}.track-actions button{flex:1;min-height:44px;padding:6px}.track-heading p{line-height:1.8}.listening-bar>div{display:flex;flex-wrap:wrap}}
@media print{[id^="cursorImg"],.follow-score{display:none!important}}
@media(max-width:820px){body[data-track-focus=true] .score-column{order:-2}}