:root{--ink:#23344d;--muted:#718099;--green:#246bfd;--light:#eaf2ff;--line:#e3eaf5;--orange:#df8651;--dock:346px}*{box-sizing:border-box}body{margin:0;background:#f2f6fc;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px}button,input,select{font:inherit}button{cursor:pointer;border:0;background:transparent;color:inherit;border-radius:8px;min-height:38px;padding:8px 12px;transition:background .15s}button:hover{background:#e9f0fc}button:focus-visible{outline:2px solid var(--green);outline-offset:2px}button:disabled{opacity:.3;cursor:default}header{height:72px;background:#ffffff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 5%;gap:18px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:22px;font-weight:650}.logo{background:var(--green);color:white;font-family:Georgia;font-size:35px;width:37px;height:37px;line-height:37px;text-align:center;border-radius:11px}.brand-en{font-size:11px;letter-spacing:2px;color:var(--muted);font-weight:500;margin-left:6px}.save-state{margin-left:auto;font-size:12px;color:var(--muted)}.save-state:before{content:'✓';margin-right:6px;color:var(--green)}.icon{font-size:20px;min-width:38px}#help{border:1px solid var(--line);border-radius:50%;font-size:15px;width:28px;min-width:28px;min-height:28px;padding:0}main{max-width:1020px;margin:auto;padding:30px 40px calc(var(--dock) + 30px)}.workspace-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.eyebrow{font-size:12px;color:var(--muted);letter-spacing:.5px}h1{font-size:24px;font-weight:550;margin:10px 0 0;letter-spacing:1px}.mode{background:#e9f0fc;border:1px solid #dce6f7;border-radius:10px;padding:4px;display:flex;gap:3px}.mode button{min-height:34px;padding:6px 17px;color:#718099}.mode .active{background:white;color:var(--green);box-shadow:0 2px 5px #263f3310}.document-tools{display:flex;justify-content:space-between;align-items:center;margin:0 1px 13px}.document-tools>div:last-child{display:flex;gap:3px}.doc-label{display:flex;align-items:center;gap:10px}.tiny-note{color:var(--green);font-size:23px}.pill{font-size:11px;background:#e8f0ff;color:#6281b0;padding:3px 7px;border-radius:4px}.paper{background:#fff;border:1px solid #e1e9f5;box-shadow:0 8px 28px #3a463005;border-radius:4px;padding:30px 42px 18px;min-height:350px}.paper-heading{text-align:center}.score-category{font-size:9px;color:#9baac0;letter-spacing:2px}.paper h2{font-family:Georgia,"Songti SC",serif;font-size:30px;font-weight:600;letter-spacing:5px;margin:14px 0 8px}.paper-heading p{color:#7c8aa0;font-size:12px;margin:0 0 25px}.score-meta{display:flex;justify-content:space-between;font-family:Georgia,serif;font-size:14px;margin-bottom:18px}#score{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));row-gap:32px;padding-bottom:25px}.measure{min-width:0;border-right:1px solid #9aa9bf;position:relative;padding:10px 5px 5px;min-height:93px;display:flex;align-items:flex-start;justify-content:space-around;flex-wrap:wrap;row-gap:10px}.measure.last{border-right:4px double #8597b1}.measure-number{position:absolute;top:-9px;left:7px;font-size:10px;color:#9cabc1}.measure-number.warning{color:#cc8658}.note{position:relative;min-width:28px;min-height:55px;padding:4px 3px 5px;border-radius:5px;text-align:center;flex:1;max-width:90px;cursor:pointer}.note.selected{background:#e6f0ff;color:#246bfd;box-shadow:inset 0 -2px #246bfd}.note.playing{background:#dbeaff;color:#1455d4}.digit{font-family:Georgia,"Times New Roman",serif;font-size:26px;font-weight:500;line-height:29px;display:inline-block;position:relative}.octup{position:absolute;top:-11px;left:0;right:0;font-size:15px;line-height:12px}.octdown{display:block;height:11px;font-size:15px;line-height:9px}.acc{position:absolute;right:100%;font-size:14px;top:0}.under{position:absolute;left:0;right:0;top:29px;border-top:1.5px solid;pointer-events:none}.under.double{top:33px}.under.triple{top:37px}.lyric{font-size:12px;color:#6b7d98;display:block;height:17px;margin-top:3px}.mark{position:absolute;top:-10px;left:0;right:0;font:13px Georgia}.tie:after{content:'';position:absolute;border-top:1.5px solid;left:45%;width:130%;height:10px;top:-3px;border-radius:50%}.empty-bar{color:#bccce2;align-self:center;flex:1;height:50px}.paper-footer{display:flex;justify-content:space-between;border-top:1px solid #eef3fb;padding-top:13px;font-size:10px;color:#98a8bf}.under-paper{display:flex;align-items:center;justify-content:space-between;margin-top:12px;color:#7487a2;font-size:12px}.under-paper button{color:var(--green);font-size:13px}.dock{position:fixed;bottom:0;left:0;right:0;background:#edf3fc;border-top:1px solid #dce6f7;box-shadow:0 -7px 25px #34452705;padding-bottom:env(safe-area-inset-bottom);z-index:5}.player{height:65px;display:flex;align-items:center;gap:17px;background:#ffffff;padding:0 max(24px,calc((100vw - 900px)/2));border-bottom:1px solid var(--line)}.play{background:var(--green);color:white;border-radius:50%;width:39px;height:39px;min-width:39px;padding:0;font-size:15px}.play:hover{background:#1558db}.play-info{display:flex;flex-direction:column;gap:5px;min-width:94px}.play-info b{font-size:13px;font-weight:500}.play-info span{font-size:11px;color:var(--muted)}.progress{height:3px;background:#e4ecfa;flex:1;border-radius:3px;min-width:25px}.progress div{height:100%;background:var(--green);width:0}.keyboard-toggle{white-space:nowrap;font-size:12px;color:#6c83a7;border-left:1px solid var(--line);border-radius:0;padding-left:20px}#bpmBtn{white-space:nowrap}#keyboard{max-width:900px;margin:auto;padding:0 10px}.keyboard-tabs{display:flex;align-items:center;border-bottom:1px solid #dce6f7;height:46px;justify-content:space-between}#tabs{display:flex;height:100%;gap:14px}#tabs button{font-size:13px;color:#7285a4;border-radius:0;padding:0 15px}#tabs button.active{border-bottom:2px solid var(--green);color:var(--green);font-weight:600}.history button{font-size:22px;padding:3px 9px}.input-context{display:flex;justify-content:space-between;align-items:center;height:38px;color:#7184a0;font-size:11px}.input-context div{display:flex;background:#e3ecfb;border-radius:5px;padding:2px}.input-context button{font-size:11px;min-height:23px;padding:3px 12px;border-radius:4px}.input-context .on{background:white;color:var(--green)}.key-options{display:flex;gap:7px;margin-bottom:9px}.key-options button{background:#e3ecfa;min-height:33px;flex:1;font-size:12px;padding:4px}.key-options button.on,.symbol-grid .on{background:#d9e8ff;color:var(--green);box-shadow:inset 0 0 0 1px #8cb7ff}.keys{display:grid;grid-template-columns:repeat(8,1fr);gap:7px}.keys button{background:white;box-shadow:0 2px 0 #d7e2f4;border:1px solid #dce6f6;height:62px;font-family:Georgia,serif;font-size:29px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.keys small{font:10px sans-serif;color:#869bb9}.keys button:active{transform:translateY(2px);box-shadow:none}.keyboard-bottom{display:flex;justify-content:space-between;align-items:center;height:45px;color:#8195b3;font-size:11px}.keyboard-bottom div{display:flex;gap:6px}.keyboard-bottom button{min-height:30px;background:#dfe9f9;min-width:48px;color:#54719e;padding:2px 14px;font-size:18px}.symbol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;height:104px}.symbol-grid button{background:white;border:1px solid #dce6f6;font-size:14px}.symbol-grid small{display:block;font-size:10px;color:#7b91b1;margin-top:2px}.preview #keyboard{display:none}.preview .under-paper{display:none}.preview .note{cursor:default}.preview .selected{background:none;box-shadow:none;color:inherit}dialog{border:1px solid var(--line);border-radius:18px;padding:22px;width:min(430px,calc(100% - 30px));box-shadow:0 20px 90px #203c3825;color:var(--ink)}dialog::backdrop{background:#273d3840;backdrop-filter:blur(3px)}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.modal-head h3{font-size:19px;margin:0}label{display:block;margin:14px 0;color:#607899;font-size:13px}input,select,textarea{display:block;width:100%;margin-top:7px;padding:11px 12px;border:1px solid #dae5f7;border-radius:8px;background:#f7faff;color:var(--ink);font:inherit}.form-row{display:flex;gap:12px}.form-row label{flex:1}.primary{background:var(--green);color:white;width:100%;margin-top:12px}.primary:hover{background:#1558db}.export-option{display:block;border:1px solid var(--line);width:100%;text-align:left;margin:9px 0;padding:14px}.export-option small{display:block;color:var(--muted);margin-top:5px}.help-copy{line-height:1.9;font-size:14px;color:#5d7393}#toast{position:fixed;left:50%;top:90px;transform:translate(-50%,-10px);background:#246bfd;color:white;border-radius:10px;padding:12px 20px;z-index:50;opacity:0;pointer-events:none;transition:.2s;max-width:90%;width:max-content;font-size:13px}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1100px){main{padding-top:35px}.paper{min-height:370px}#keyboard{padding:0 25px}.dock{--dock:346px}}@media(max-width:600px){header{height:57px;padding:0 18px}.brand{font-size:20px}.brand-en{display:none}.logo{height:31px;width:31px;font-size:30px;line-height:31px}.save-state{font-size:10px}main{padding:20px 14px calc(var(--dock) + 20px)}.workspace-head{margin-bottom:18px}.eyebrow{font-size:10px}h1{font-size:18px;letter-spacing:0;margin-top:7px}.mode button{font-size:12px;padding:5px 10px;min-height:31px}.mode{padding:3px}.document-tools{margin-bottom:10px}.document-tools button{padding:6px 9px;font-size:12px}.paper{padding:25px 17px 13px}.paper h2{font-size:27px}.score-category{font-size:8px;letter-spacing:1.5px}.paper-heading p{font-size:11px;margin-bottom:22px}.score-meta{font-size:13px}#score{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px}.digit{font-size:25px}.note{min-width:25px}.player{height:60px;padding:0 12px;gap:9px}.player .icon{min-width:28px;padding:3px;font-size:19px}.play{width:35px;height:35px;min-width:35px}.play-info{min-width:70px}.play-info b{font-size:12px}.play-info span{font-size:10px}.keyboard-toggle{padding:5px 0 5px 10px;font-size:17px}.keyboard-toggle span{display:none}#bpmBtn{padding:6px;font-size:12px}#keyboard{padding:0 10px}.keyboard-tabs{height:44px}#tabs{gap:0;flex:1}#tabs button{padding:0 13px}.history button{padding:2px 7px}.keys{gap:5px}.keys button{height:60px;font-size:27px}.key-options{gap:5px}.key-options button{font-size:11px}.keyboard-bottom>span{font-size:10px}.under-paper{font-size:10px}.under-paper button{font-size:12px}.paper-footer{font-size:9px}.symbol-grid button{font-size:13px}.input-context{font-size:10px}}@media print{body{background:white}header,.workspace-head,.document-tools,.dock,.under-paper{display:none!important}main{padding:0;max-width:none}.paper{border:0;box-shadow:none;padding:20px}.note.selected,.note.playing{background:none;box-shadow:none;color:inherit}.paper-footer{display:none}#score{grid-template-columns:repeat(4,minmax(0,1fr))}dialog{display:none}}

/* Blue studio and guzheng technique input */
.logo{box-shadow:0 4px 12px #246bfd24;border-radius:9px}.paper{border-radius:10px;box-shadow:0 8px 32px #23467705}.mode .active{box-shadow:0 2px 8px #246bfd12}.dock{box-shadow:0 -8px 28px #2c5c9a09}.keys button:hover,.symbol-grid button:hover{background:#f4f8ff}.keys button:active{background:#dceaff}.fingering-options{display:flex;align-items:center;gap:6px;height:36px;margin-bottom:7px}.fingering-options button{min-height:30px;font-size:12px;padding:4px 12px;background:#e1ebfa}.fingering-options .on{background:#246bfd;color:white}.fingering-options .clear-finger{margin-left:auto;background:transparent;color:#7187a8}.finger-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;max-height:146px;overflow-y:auto;overscroll-behavior:contain;padding:1px 1px 3px;scrollbar-width:thin}.finger-grid button{background:#fff;border:1px solid #dce6f6;min-height:62px;padding:6px 3px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.finger-grid button.on{background:#e0ecff;border-color:#86b0ff;color:#145cde}.finger-grid small{font-size:11px;color:#6d83a5}.finger-symbol{display:inline-block;width:26px;height:22px;flex-shrink:0;vertical-align:middle}.fingering{position:absolute;top:-28px;left:0;right:0;display:flex;justify-content:center;gap:3px;color:inherit;pointer-events:none}.fingering .finger-symbol{width:17px;height:16px}.measure:has(.has-fingering) .note{margin-top:19px}.measure:has(.has-fingering){min-height:116px}.measure-number{top:-14px}#tabs{gap:8px}#tabs button{padding:0 12px}.finger-hand-note{font-size:11px;color:#7b91b1;margin-left:4px}
@media(max-width:600px){#tabs{gap:0;min-width:0}#tabs button{padding:0 10px;font-size:12px}.history button{padding:2px 5px}.finger-grid{grid-template-columns:repeat(5,minmax(0,1fr));max-height:145px}.fingering-options button{padding:4px 10px}.finger-hand-note{font-size:10px}.finger-grid button{min-height:61px}.keyboard-tabs .history{flex-shrink:0}.workspace-head h1{font-weight:600}}
@media(max-width:360px){#tabs button{padding:0 7px}.finger-hand-note{display:none}}

.measure:has(.has-fingering) .fingering{top:-28px}.fingering .finger-symbol{overflow:visible}.finger-grid button:focus-visible{outline:2px solid #246bfd}
/* Embedded APP editor: content controls only, no website header or branding. */
main{max-width:1000px;padding:0 20px calc(var(--dock) + 22px)}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 0 12px;background:#f2f6fc}.toolbar-actions{display:flex;align-items:center;gap:2px}.toolbar-actions button{font-size:13px;padding:7px 11px}.toolbar-actions #help{margin-left:4px;border:1px solid #cddcf2;min-width:27px;width:27px}.editor-toolbar .mode button{min-height:32px;padding:5px 17px}.paper{padding:24px 28px 18px;min-height:260px}.paper h2{margin:0 0 8px;font-family:Georgia,Songti SC,serif;overflow-wrap:anywhere}.paper-heading p:empty{display:none}.paper-heading p{margin-bottom:22px;overflow-wrap:anywhere}.score-meta{margin-bottom:20px}#score{display:block;padding:0}.score-system{display:block;max-width:100%;height:auto;margin:0 0 25px;overflow:visible;scroll-margin-top:16px}.score-event{cursor:pointer;outline:none}.score-event text,.score-event path,.score-event circle{pointer-events:none}.score-event:focus-visible .event-bg{stroke:#246bfd;stroke-width:1.5px}.score-event.playing .event-bg{fill:#cce1ff}.preview .score-event{cursor:default}.draft-status{display:flex;justify-content:space-between;font-size:11px;color:#7e91ac;margin:5px 2px 0}.voice-controls{display:flex;align-items:center;justify-content:space-between;height:40px;border-bottom:1px solid #dce6f7}.voice-pick{display:flex;gap:4px}.voice-controls button{min-height:28px;font-size:12px;padding:4px 13px;background:#e2ebfa}.voice-controls .on{background:#246bfd;color:white}.voice-controls #dualMode{background:transparent;color:#5272a4;padding-right:4px}.input-context{height:36px}.input-context button{padding:4px 10px}.keyboard-bottom>span{max-width:60%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#chordPitches{display:flex;align-items:center;gap:5px;overflow-x:auto;height:36px;margin-bottom:5px;white-space:nowrap}#chordPitches>span{font-size:11px;color:#6c82a2}#chordPitches button{padding:3px 10px;min-height:26px;background:white;border:1px solid #dce6f6;font-size:14px}#chordPitches .on{background:#dbeaff;border-color:#8db7ff;color:#1b61e9}#chordPitches #removePitch{font-size:11px;margin-left:auto;border:0;background:transparent;color:#657d9f;padding-right:1px}.player .on{background:#e0ecff;color:#246bfd}.play-info b{max-width:100px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.symbol-grid{height:104px}.finger-grid{max-height:125px}.finger-grid button{min-height:58px}#toast{top:18px}#printOnly{display:none}
@media(max-width:600px){main{padding:0 10px calc(var(--dock) + 18px)}.editor-toolbar{padding:8px 2px 10px}.toolbar-actions button{padding:6px 9px}.editor-toolbar .mode button{padding:5px 12px}.paper{padding:23px 12px 12px;border-radius:8px}.paper h2{font-size:25px}.score-meta{margin-bottom:16px}.score-system{margin-bottom:18px}.player{gap:7px}.player .play-info{min-width:58px}.play-info b{max-width:70px}.voice-controls{height:36px}.voice-controls button{font-size:12px;min-height:27px}.input-context button{padding:3px 10px}.keys button{height:52px}.key-options button{min-height:30px}.keyboard-bottom{height:38px}.keyboard-bottom button{min-width:36px;padding:2px 10px}.keyboard-bottom>span{font-size:10px}.keyboard-tabs{height:39px}.finger-grid{max-height:122px}.draft-status{font-size:10px}.under-paper{margin-top:3px}.fingering-options{height:30px;margin-bottom:5px}}
@media print{@page{size:A4 portrait;margin:0}html,body{margin:0!important;padding:0!important;background:white!important}body>*:not(#printOnly){display:none!important}#printOnly{display:block!important}.print-page{width:210mm;height:297mm;break-after:page;page-break-after:always;margin:0;padding:0;overflow:hidden}.print-page:last-child{break-after:auto;page-break-after:auto}.print-page>svg{display:block;width:210mm;height:297mm}.score-system{margin:0!important}}
/* A bounded, touch-first canvas separate from the notation layout. */
html,body{height:100%;overflow:hidden}body{background:#f2f6fc}main{height:calc(100dvh - var(--dock));max-width:1200px;width:100%;padding:0 14px;display:flex;flex-direction:column;overflow:hidden}.editor-toolbar{flex-shrink:0;padding:7px 0}.canvas-tools{display:flex;align-items:center;gap:3px;min-height:38px;border-top:1px solid #e1eafa;border-bottom:1px solid #e1eafa;flex-shrink:0}.canvas-tools button{font-size:12px;min-height:30px;padding:4px 10px;white-space:nowrap}.canvas-tools .on{color:#1c65f2;background:#dfebff}.tool-divider{height:17px;border-left:1px solid #d8e3f6;margin:0 3px}#zoomValue{font-variant-numeric:tabular-nums;min-width:48px}#focusNote{margin-left:auto;font-size:19px}.measure-nav{display:flex;align-items:center;height:41px;gap:6px;flex-shrink:0}.measure-nav>button{font-size:12px;white-space:nowrap;padding:3px 8px;min-height:29px}#measureStrip{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;align-items:center}#measureStrip button{flex-shrink:0;background:#fff;border:1px solid #dce7f8;min-width:32px;min-height:27px;height:27px;padding:2px 8px;font-size:12px;font-variant-numeric:tabular-nums}#measureStrip .on{background:#246bfd;color:#fff;border-color:#246bfd}#measureStrip .warning:not(.on){color:#af722c;border-color:#e8d0aa}#canvasViewport{flex:1;min-height:80px;overflow:auto;position:relative;touch-action:none;overscroll-behavior:contain;scrollbar-width:thin;background:#e9f0fa;border:1px solid #dce6f5;border-radius:9px;user-select:none;-webkit-user-select:none;cursor:grab}#canvasViewport:active{cursor:grabbing}#canvasStage{position:relative;min-height:100%;}#paper{position:absolute;transform-origin:0 0;box-sizing:border-box;padding:24px;max-width:none;min-height:260px;border-radius:3px;box-shadow:0 3px 14px #26466a12;will-change:transform}.paper h2{font-size:28px}.paper-heading p{font-size:14px}.score-meta{font-size:16px}.score-system{max-width:none;width:auto;height:auto;margin:0 0 20px;overflow:visible}.measure-hit,.measure-number-link{cursor:pointer}.selection-actions{display:flex;align-items:center;gap:2px;min-height:36px;overflow-x:auto;flex-shrink:0}.selection-actions button{min-height:30px;padding:4px 9px;font-size:12px;white-space:nowrap}.selection-actions #selectionMenu{color:#2863b3;margin-right:auto;padding-left:2px}.draft-status{height:20px;margin:0 0 2px;flex-shrink:0;font-size:10px}.setting-label{margin:16px 0 9px;font-size:13px;color:#60799d}.choice-row{display:flex;gap:7px;flex-wrap:wrap}.choice-row button{flex:1;border:1px solid #d6e3f8;background:#f3f7ff;padding:8px;white-space:nowrap}.choice-row .on,.bar-map .on{background:#246bfd;color:white;border-color:#246bfd}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.action-grid button{font-size:13px;min-height:43px;border:1px solid #dce6f6;background:#f7faff}.danger-text{color:#b34b4b}.jump-row{display:flex;align-items:end;gap:10px}.jump-row label{margin:0;flex:1}.jump-row button{min-height:40px;background:#e3edff;color:#246bfd}.bar-map{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;max-height:190px;overflow-y:auto;margin:15px 0}.bar-map button{border:1px solid #dce6f6;background:#f7faff;font-size:13px}.switch-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.switch-row input{width:19px;height:19px;accent-color:#246bfd;margin:0}.note-detail{padding:13px;background:#edf4ff;color:#466b9f;border-radius:8px}dialog{max-height:calc(100dvh - 32px);overflow:auto}.preview .selection-actions{display:none}#playOptions{font-size:21px;min-width:24px;padding:2px}.player .progress{min-width:15px}
@media(max-width:600px){main{padding:0 8px}.canvas-tools button{font-size:11px;padding:3px 8px}.canvas-tools{min-height:36px}.measure-nav{height:37px;gap:3px}#measureStrip{gap:5px}.selection-actions button{font-size:11px;padding:3px 7px}.selection-actions{min-height:33px}.draft-status{height:16px;font-size:9px}.player{gap:4px}.play-info b{max-width:59px}.player .play-info{min-width:58px}.player #playOptions{padding:2px;min-width:20px}.player #bpmBtn{padding:3px}.player .progress{min-width:10px}.editor-toolbar .mode button{padding:4px 13px}.score-system{margin-bottom:20px}.keyboard-bottom>span{max-width:58%}.paper h2{font-size:28px}}
@media(max-height:650px){.draft-status{display:none}.player{height:47px}.keyboard-tabs{height:33px}.voice-controls{height:30px}.input-context{height:30px}.keys button{height:43px}.keyboard-bottom{height:33px}.finger-grid{max-height:105px}main{min-height:130px}.selection-actions{min-height:28px}}
@media print{html,body{height:auto!important;overflow:visible!important}#printOnly .score-system{margin:0!important}}
.keys button{padding:4px 2px}.keys small{white-space:nowrap}