:root{--bg:#f5f6f8;--surface:#fff;--ink:#20242a;--muted:#68717d;--line:#d9dee5;--accent:#0f766e;--accent-strong:#0b5d56;--warn:#a16207;--danger:#b42318;--blue:#2563eb;--shadow:0 18px 48px #1b232c1c}*{box-sizing:border-box}html,body{margin:0}html{min-height:100%;overflow-y:auto}body{background:var(--bg);min-height:100vh;color:var(--ink);font-family:Arial,Malgun Gothic,Apple SD Gothic Neo,sans-serif;overflow:hidden auto}button,input,textarea,select{font:inherit}.appShell{width:min(1180px,100vw - 32px);margin:0 auto;padding:32px 0}.topBar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.eyebrow{color:var(--accent);letter-spacing:0;margin:0 0 6px;font-size:13px;font-weight:800}h1,h2{letter-spacing:0;margin:0}h1{font-size:clamp(28px,4vw,44px);line-height:1.12}h2{font-size:19px;line-height:1.25}.statusBadge{border:1px solid var(--line);background:var(--surface);min-width:118px;min-height:38px;color:var(--muted);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:700;display:inline-flex}.statusBadge.ready,.statusBadge.done{color:var(--accent-strong);border-color:#0f766e42}.statusBadge.running{color:var(--blue);border-color:#2563eb3d}.statusBadge.error{color:var(--danger);border-color:#b423183d}.workspace{grid-template-columns:minmax(0,1fr) 360px;align-items:start;gap:20px;display:grid}.previewPanel,.controlPanel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.previewPanel{padding:16px}.dropZone{cursor:pointer;background:#fbfcfd;border:2px dashed #b9c2cd;border-radius:8px;justify-content:center;align-items:center;min-height:660px;display:flex;overflow:hidden}.dropZone.dragging{border-color:var(--accent);background:#eef9f7}.dropZone.hasPreview{background:#fff;border-style:solid}.fileInput{display:none}.emptyState{text-align:center;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:28px;display:flex}.emptyState strong{max-width:300px;color:var(--ink);word-break:keep-all;font-size:19px;line-height:1.35}.emptyState span{max-width:280px;line-height:1.45}.scorePreview{object-fit:contain;width:100%;max-height:860px;display:block}.fileMeta{min-height:42px;color:var(--muted);align-items:center;gap:10px;padding-top:12px;display:flex}.fileMeta span{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--ink);flex:1;font-weight:700;overflow:hidden}.fileMeta small{white-space:nowrap}.inputQuality{border:1px solid var(--line);min-height:48px;color:var(--muted);background:#fbfcfd;border-radius:7px;grid-template-columns:20px minmax(0,1fr);align-items:start;gap:9px;margin-top:10px;padding:9px 11px;display:grid}.inputQuality svg{margin-top:1px}.inputQuality span{gap:3px;min-width:0;display:grid}.inputQuality strong{color:var(--ink);font-size:13px}.inputQuality small{color:var(--muted);line-height:1.4}.inputQuality.low{color:var(--danger);background:#fff7f5;border-color:#b4231847}.inputQuality.caution{color:var(--warn);background:#fffbeb;border-color:#a162074d}.inputQuality.ok{color:var(--accent-strong);background:#edf8f5;border-color:#0f766e3d}.inputQuality.info{color:#1d4ed8;background:#eef4ff;border-color:#2563eb38}.generatedPreview{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.generatedPreviewHeader{justify-content:space-between;align-items:flex-start;gap:16px;min-height:44px;margin-bottom:14px;display:flex}.generatedPreviewHeader span{color:var(--muted);white-space:nowrap;font-size:13px;font-weight:700}.reportGrid{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:12px 0 16px;display:grid}.reportMetric{gap:5px;min-width:0;display:grid}.reportMetric span{color:var(--muted);font-size:12px;font-weight:700}.reportMetric strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:14px;overflow:hidden}.generatedPages{gap:16px;margin-top:16px;display:grid}.candidateList{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px;display:grid}.candidateRow{border:1px solid var(--line);min-width:0;min-height:34px;color:var(--muted);border-radius:6px;justify-content:space-between;align-items:center;gap:8px;padding:7px 9px;font-size:13px;display:flex}.candidateRow.selected{color:var(--accent-strong);background:#edf8f5;border-color:#0f766e57}.candidateRow span,.candidateRow strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.candidateRow strong{font-size:12px}.resultViewTabs{border-bottom:1px solid var(--line);align-items:end;gap:4px;margin-top:16px;display:flex}.resultViewTabs button{min-height:40px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:0 14px;font-size:13px;font-weight:900}.resultViewTabs button:hover{color:var(--ink)}.resultViewTabs button.selected{border-bottom-color:var(--accent);color:var(--accent-strong)}.resultViewPane[hidden]{display:none}.resultViewPane>.musicEditor,.resultViewPane>.correctionEditor{border-top:0;margin-top:0}.generatedScoreImage{border:1px solid var(--line);background:#fff;border-radius:4px;width:100%;display:block}.warningList{color:var(--warn);gap:6px;margin-top:14px;font-size:13px;line-height:1.45;display:grid}.warningList 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var(--line);background:#fbfcfd;border-radius:6px;gap:12px;padding:12px;display:grid}.correctionControlsHeader{justify-content:space-between;align-items:center;gap:10px;display:flex}.correctionControlsHeader>div,.correctionControlsHeader button{align-items:center;gap:7px;min-height:30px;display:inline-flex}.correctionControlsHeader button{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:#fff;border-radius:999px;padding:0 10px;font-size:12px;font-weight:800}.correctionTextField,.correctionSelectField{gap:7px;display:grid}.correctionTextField span,.correctionSelectField span{color:var(--muted);font-size:12px;font-weight:800}.correctionTextField textarea,.correctionSelectField select{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:6px}.correctionTextField textarea{resize:vertical;min-height:82px;padding:9px 10px;line-height:1.45}.correctionSelectField select{min-height:38px;padding:0 9px}.correctionTextField 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var(--accent-strong);background:var(--accent);color:#fff}.correctionDownloadButton:disabled{cursor:not-allowed;background:#aeb7c2;border-color:#aeb7c2}.correctionError{color:var(--danger);margin:0;font-size:13px;font-weight:800;line-height:1.45}.musicEditor{border-top:1px solid var(--line);margin-top:18px;padding-top:16px;position:relative}.musicEditorInteractionLock{z-index:80;color:var(--blue);text-align:center;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);cursor:wait;background:#f8fafcc7;border-radius:10px;justify-content:center;align-items:flex-start;gap:8px;padding-top:82px;font-size:13px;font-weight:800;display:flex;position:absolute;inset:0}.musicEditorHeader{justify-content:space-between;align-items:flex-start;gap:14px;min-height:38px;margin-bottom:12px;display:flex}.musicEditorState{border:1px solid var(--line);min-height:30px;color:var(--muted);white-space:nowrap;border-radius:999px;align-items:center;gap:7px;padding:0 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#2563eb24}.musicEditorLayout{grid-template-columns:minmax(0,1fr);align-items:start;gap:14px;margin-top:10px;display:grid}.scoreEditHint{min-height:38px;color:var(--accent-strong);background:#eef9f6;border:1px solid #0f766e33;border-radius:6px;align-items:center;gap:8px;margin-top:12px;padding:7px 10px;font-size:13px;font-weight:800;display:flex}.quickNoteEditor{background:#f8faff;border:1px solid #2563eb3b;border-radius:9px;gap:9px;margin-top:8px;padding:10px;display:grid}.quickNoteHeader{justify-content:space-between;align-items:center;gap:12px;display:flex}.quickNoteHeader>div:first-child{gap:2px;min-width:0;display:grid}.quickNoteHeader>div:first-child>span{color:#1d4ed8;letter-spacing:.04em;text-transform:uppercase;font-size:10px;font-weight:900}.quickNoteHeader strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.quickNoteNavigation{flex:none;align-items:center;gap:5px;display:flex}.quickNoteNavigation button,.quickControlGroup button{border:1px solid var(--line);min-height:34px;color:var(--ink);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;gap:5px;padding:0 8px;font-size:11px;font-weight:900;display:inline-flex}.quickNoteNavigation button:hover:not(:disabled),.quickControlGroup button:hover:not(:disabled){color:#1d4ed8;background:#f4f7ff;border-color:#2563eb75}.quickNoteNavigation button:disabled,.quickControlGroup button:disabled{color:#a3abb6;cursor:not-allowed;background:#f3f4f6}.quickNoteNavigation .quickDetailButton{color:var(--accent-strong);border-color:#0f766e52}.quickNoteControls{flex-wrap:wrap;align-items:stretch;gap:8px;display:flex}.quickControlGroup{border-top:1px solid #2563eb1f;flex-wrap:wrap;align-items:center;gap:5px;min-width:0;padding-top:8px;display:flex}.quickControlGroup>span{color:var(--muted);flex:none;margin-right:2px;font-size:10px;font-weight:900}.quickControlGroup button.selected{color:#1d4ed8;background:#eaf0ff;border-color:#2563eb}.quickControlGroup button small{color:currentColor;font-size:11px;font-weight:900}.quickDurationControls{flex:auto}.quickDurationControls button{flex:58px;min-width:52px}.quickStructureControls{flex:0 auto}.quickStructureControls .quickDeleteButton:not(:disabled){color:var(--danger);border-color:#b4231847}.scoreEditorViewport{border:1px solid var(--line);background:#fff;border-radius:6px;max-height:650px;overflow:auto}.scoreEditorViewport:focus-visible{border-color:#2563eb;outline:3px solid #2563eb24}.scoreEditorStage{box-sizing:border-box;width:100%;min-width:650px;min-height:280px;padding:16px 16px 68px;position:relative}.scoreEditorCanvas{z-index:1;width:100%;min-width:0;position:relative}.scoreEditorCanvas svg{display:block;overflow:visible}.scoreEditorOverlay{z-index:2;pointer-events:none;position:absolute;inset:0}.noteHitTarget{pointer-events:auto;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:50%;position:absolute;transform:translate(-50%,-50%)}.noteHitTarget.restTarget{z-index:2}.noteHitTarget:hover{background:#dbeafe47;border-color:#2563eb8c;box-shadow:0 0 0 4px #2563eb1a}.noteHitTarget.selected{background:#dbeafe5c;border:2px solid #2563eb;box-shadow:0 0 0 3px #2563eb21}.noteHitTarget.dropTarget{background:#a7f3d080;border:2px solid #059669;box-shadow:0 0 0 5px #0596692e}.noteHitTarget.reviewFocus:not(.selected){background:#ffedd557;border-color:#ea580cc7;box-shadow:0 0 0 4px #ea580c1f}.lyricHandle{min-width:30px;min-height:26px;color:var(--ink);white-space:nowrap;pointer-events:auto;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;background:#ecfdf5f0;border:1px solid #0f766e57;border-radius:5px;justify-content:center;align-items:center;gap:3px;padding:2px 6px 2px 4px;font-size:14px;font-weight:900;line-height:1.1;display:inline-flex;position:absolute;transform:translate(-50%)}.lyricHandle svg{color:var(--accent);opacity:.65}.scoreTemplatePanel{border:1px solid var(--line);background:#fff;border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;margin:12px 0;padding:12px 16px;display:flex}.scoreTemplatePanel div{flex:1;gap:4px;display:grid}.scoreTemplatePanel small{color:var(--muted)}.scoreTemplatePanel button{border:1px solid var(--line);min-height:36px;color:var(--ink);font:inherit;cursor:pointer;background:#fff;border-radius:8px;align-items:center;gap:6px;padding:7px 12px;font-size:13px;display:inline-flex}.scoreTemplatePanel>span{color:var(--accent);font-size:12px}.secondaryScoreLyric{white-space:nowrap;pointer-events:none;z-index:3;font-size:14px;font-weight:700;line-height:26px;position:absolute;transform:translate(-50%)}.lyricHandle.selected{border-color:var(--accent);box-shadow:0 0 0 3px #0f766e1f}.lyricHandle:active{cursor:grabbing}.scoreEditorLoading{z-index:3;min-width:320px;min-height:220px;color:var(--muted);pointer-events:none;background:#ffffffb8;justify-content:center;align-items:center;gap:9px;font-size:13px;font-weight:800;display:flex;position:absolute;inset:0}.noteInspector{border:1px solid var(--line);background:#fbfcfd;border-radius:6px;gap:14px;padding:12px;display:grid}.noteInspectorHeader{justify-content:space-between;align-items:center;gap:10px;display:flex}.noteInspectorHeader>div:first-child{gap:2px;min-width:0;display:grid}.noteInspectorHeader>div:last-child{gap:5px;display:flex}.noteInspectorHeader span{color:var(--muted);font-size:12px;font-weight:800}.noteInspectorHeader strong{font-size:22px}.noteToolSection{border-top:1px solid var(--line);gap:9px;padding-top:12px;display:grid}.noteToolLabel{color:var(--muted);font-size:12px;font-weight:900}.pitchControls{grid-template-columns:1fr 1fr;gap:7px;display:grid}.pitchControls button,.resetLyricPosition{border:1px solid var(--line);min-height:38px;color:var(--ink);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;gap:6px;font-size:13px;font-weight:800;display:inline-flex}.durationSegments{border:1px solid var(--line);border-radius:6px;grid-template-columns:repeat(5,minmax(0,1fr));display:grid;overflow:hidden}.durationSegments button{border:0;border-right:1px solid var(--line);min-width:0;height:36px;color:var(--muted);cursor:pointer;background:#fff;font-size:11px;font-weight:900}.durationSegments button:last-child{border-right:0}.durationSegments button.selected{color:var(--accent-strong);background:#e7f6f2}.dotToggle{min-height:34px;color:var(--ink);cursor:pointer;align-items:center;gap:8px;font-size:13px;font-weight:800;display:flex}.dotToggle input{width:17px;height:17px;accent-color:var(--accent)}.noteLyricField{gap:7px;display:grid}.noteLyricField input{border:1px solid var(--line);width:100%;min-height:39px;color:var(--ink);background:#fff;border-radius:6px;padding:0 10px;font-size:15px;font-weight:800}.noteLyricField input:focus{border-color:#0f766e8c;outline:3px solid #0f766e1f}.noteTextFields{grid-template-columns:minmax(0,1fr) minmax(180px,.55fr);gap:10px;display:grid}.lyricPositionGrid{gap:10px;display:grid}.positionControl{gap:5px;display:grid}.positionControl>span{justify-content:space-between;align-items:center;gap:10px;display:flex}.positionControl strong,.positionControl small{font-size:12px}.positionControl strong{color:var(--ink)}.positionControl small{color:var(--muted);font-weight:800}.positionControl input{width:100%;accent-color:var(--accent)}.lyricNudgeControls{grid-template-columns:repeat(4,38px);justify-content:center;gap:6px;display:grid}.lyricNudgeControls button{border:1px solid 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0;font-size:14px;font-weight:700;line-height:1.5}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:960px){.workspace{grid-template-columns:1fr}.controlPanel{position:static}.dropZone{min-height:520px}.reportGrid,.candidateList{grid-template-columns:repeat(2,minmax(0,1fr))}.alignmentStats{grid-template-columns:repeat(3,minmax(0,1fr))}.correctionLayout,.musicEditorLayout{grid-template-columns:1fr}.noteInspector{grid-template-columns:repeat(2,minmax(0,1fr))}.noteInspectorHeader,.emptyInspector{grid-column:1/-1}.scoreSettingsPanel{grid-template-columns:1fr 1fr}.scoreSettingsPanel>div{grid-column:1/-1}}@media (max-width:620px){.appShell{width:min(100vw - 20px,1180px);padding:18px 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li.active{color:var(--accent-strong);background:#eef8f6}.workflowSteps li.active>span{border-color:var(--accent);background:var(--accent);color:#fff}.workflowSteps li.done{color:var(--accent-strong)}.workflowSteps li.done>span{background:#dff3ef;border-color:#0f766e40}.workflowCard{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:10px}.uploadStep,.editorStepCard{padding:22px}.stepIntro{align-items:flex-start;gap:14px;margin-bottom:20px;display:flex}.stepIntro>span{background:var(--accent);color:#fff;border-radius:9px;flex:0 0 38px;justify-content:center;align-items:center;width:38px;height:38px;font-size:18px;font-weight:900;display:inline-flex}.stepIntro p:not(.eyebrow){color:var(--muted);margin:8px 0 0;line-height:1.5}.stepIntro.compact{margin-bottom:2px}.uploadWorkflowGrid{grid-template-columns:minmax(0,1.45fr) minmax(310px,.7fr);align-items:start;gap:22px;display:grid}.workflowDropZone{min-height:580px}.analysisPanel{border:1px solid 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