:root{color-scheme:only light;--bg:#f6f5f1;--surface:#fff;--soft:#eeefeb;--ink:#252c29;--muted:#69736c;--line:#e4e7df;--accent:#246653;--accent-soft:#e9f1eb;--on-accent:#fff;--danger:#a33732;--warning:#865c19;--paper:#faf9f0;--shadow:0 8px 28px #263c2d07;--page-width:560px;--dock-height:184px}:root[data-theme=dark]{color-scheme:only dark;--bg:#151b18;--surface:#202923;--soft:#2b362f;--ink:#eff2eb;--muted:#aab6ab;--line:#364339;--accent:#a7d4b9;--accent-soft:#30493a;--on-accent:#183426;--danger:#ffafa6;--warning:#ebc481;--shadow:none}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;background:var(--bg)}body{margin:0;overflow:hidden;color:var(--ink);background:var(--bg);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft 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10px;font-size:13px}.muted{color:var(--muted);font-size:12px}.appShell{transform:translateY(var(--viewport-top,0px));display:flex;flex-direction:column;width:100%;max-width:var(--page-width);height:100vh;height:var(--app-height,100dvh);margin:0 auto;overflow:hidden}.app{width:100%;display:flex;flex:1;flex-direction:column;min-height:0;min-width:0}.header{position:relative;display:flex;justify-content:space-between;width:100%;flex-shrink:0;align-items:center;min-height:56px;padding:4px 14px;padding:calc(4px + env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) 4px max(14px,env(safe-area-inset-left));background:var(--bg)}.header h1{flex:1;text-align:center;font-size:14px;font-weight:600;letter-spacing:.04em}.header>.iconBtn{margin-left:46px;flex-shrink:0;color:var(--muted)}.homeBtn{width:90px;flex-shrink:0;display:inline-flex;align-items:center;min-height:44px;justify-self:start;margin-left:-6px;text-decoration:none;color:var(--muted);font-size:12px;white-space:nowrap}.homeBtn .icon{width:18px}.main{width:100%;min-width:0;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 20px 20px;padding:0 max(20px,env(safe-area-inset-right)) 20px max(20px,env(safe-area-inset-left));-webkit-overflow-scrolling:touch}.titleBar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0 24px}.pieceTitle{flex:1;min-width:0}.eyebrow{color:var(--muted);font-size:12px;letter-spacing:.06em;margin-bottom:7px}.pieceTitle h2{font-size:30px;font-weight:650;letter-spacing:-.035em;line-height:1.28;overflow-wrap:anywhere;text-wrap:pretty}.sub{color:var(--muted);font-size:12px;margin-top:8px;line-height:1.5}.chooseBtn{width:62px;flex-shrink:0;display:flex;flex-direction:column;gap:3px;border-radius:16px;background:var(--surface);border:1px solid var(--line);min-width:62px;min-height:64px;color:var(--accent);font-size:12px;font-weight:550}.scorePanel{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.scoreTools{display:flex;align-items:center;justify-content:space-between;min-height:57px;padding:5px 10px 5px 18px}.scoreCaption{flex-shrink:0;white-space:nowrap;font-size:13px;font-weight:600}.scoreToolActions{min-width:0;justify-content:flex-end;display:flex;align-items:center;gap:2px}.followBtn{flex-shrink:0;white-space:nowrap;background:transparent;color:var(--muted);font-size:12px;padding:8px;gap:5px}.followBtn:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.followBtn.active{color:var(--accent)}#readingBtn{font-weight:500;color:var(--muted);gap:5px}#readingBtn .icon{width:17px;height:17px}.scoreFrame{position:relative;overflow:auto;overscroll-behavior-x:contain;background:var(--paper);margin:0 10px;min-height:180px;max-height:48vh;max-height:calc(var(--app-height,100dvh) * .48);border-radius:10px;scroll-behavior:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y 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.checkLabel{display:flex;align-items:center;min-height:44px;gap:10px;margin:0}.helpText{font-size:13px;line-height:1.85;color:var(--muted);margin-top:16px;overflow-wrap:anywhere}.helpText b{font-weight:600;color:var(--ink)}.recordList{display:grid;gap:8px}.recordItem{display:flex;justify-content:space-between;gap:12px;padding:16px;border-radius:12px;background:var(--soft);font-size:13px}.recordItem>span{overflow-wrap:anywhere}.toast{position:fixed;bottom:calc(var(--dock-height) + 12px);left:50%;transform:translate(-50%);max-width:90%;padding:10px 16px;border-radius:12px;background:var(--ink);color:var(--bg);font-size:13px;z-index:110;opacity:0;pointer-events:none;transition:opacity .15s;text-align:center}.toast.show{opacity:1}body.modalOpen{overflow:hidden}@media(max-width:360px){.main{padding-left:16px;padding-right:16px}.pieceTitle h2{font-size:27px}.titleBar{gap:12px}.practiceDock{padding-left:16px;padding-right:16px}.pill{min-width:45px;padding:8px 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12px;border-radius:10px;background:var(--soft);margin-bottom:8px}[data-kind=error]{color:var(--danger)}[data-kind=notice]{color:var(--warning)}.importPages{display:grid;gap:12px;background:var(--soft);padding:8px;border-radius:12px}.importPages img{width:100%;height:auto;background:#fff;border-radius:6px;display:block;color-scheme:only light}.importConfirm{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13px;line-height:1.65}.importConfirm input{flex-shrink:0;margin:0}.importJobActions{display:flex;gap:12px;justify-content:center;margin-top:8px}.importJobActions .textBtn{color:var(--muted)}.importDeleteConfirm{font-size:13px;padding:16px;background:var(--soft);border-radius:12px;margin-top:12px}.importDeleteConfirm>div{display:flex;gap:10px;margin-top:12px;justify-content:flex-end}#importDeleteYes{color:var(--danger)}.importExample{background:transparent;border-top:1px solid var(--line);border-radius:0;width:100%;margin-top:20px;padding:18px 0;display:flex;align-items:flex-start;flex-direction:column;gap:6px;font-size:14px;color:var(--ink);font-weight:500}.importExample span{font-size:12px;color:var(--accent);font-weight:400}.importDrafts{display:grid;gap:8px}.importDraft{font-size:13px;text-align:left;justify-content:flex-start;overflow-wrap:anywhere}.importSheet>.helpText{margin-top:8px;font-size:12px}.importSheet details{border-bottom:1px solid var(--line);padding-bottom:8px}@keyframes importSpin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.importBusy{animation:none}}.importCrossCheck{margin:14px 0;padding:16px;border:1px solid #d8d5c7;border-radius:16px;background:#f7f5ed;color:#253d35}.importCrossCheck p{font-size:14px;line-height:1.65;margin:8px 0 12px}.importBarChecks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:12px 0}.importBarChecks label{display:flex;align-items:center;gap:6px;min-height:44px;font-size:13px;background:#fff;border:1px solid #d8d5c7;border-radius:10px;padding:6px}.importBarChecks input{width:18px;height:18px;accent-color:#286b58;flex-shrink:0}.importCrossCheck details{margin-top:12px}.importCrossCheck summary{min-height:36px;font-size:14px}.importCrossCheck .importSecondary{margin-top:8px;font-size:14px}@media(max-width:350px){.importBarChecks{grid-template-columns:repeat(2,minmax(0,1fr))}}.viewSwitch{display:flex;align-items:center;gap:4px;background:var(--soft);border-radius:14px;padding:4px;margin:0 0 14px;flex-shrink:0}.viewSwitch button{flex:1;border-radius:10px;background:transparent;font-size:13px;min-height:44px;color:var(--muted);font-weight:500}.viewSwitch button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #00000008}.viewSwitch .icon{width:17px;height:17px}.waterfallMode{color-scheme:only dark;--bg:#090e18;--surface:#172234;--soft:#111c2d;--ink:#eaf2fa;--muted:#95a7bf;--line:#29374d;--accent:#9aeedb;--accent-soft:#1a3b3c;--on-accent:#123a32;--shadow:none;--danger:#ffb1aa;--warning:#ebc481}.waterfallMode .header{min-height:52px}.waterfallMode .header h1{font-size:13px;letter-spacing:.08em;color:#acbcd0}.waterfallMode .main{display:flex;flex-direction:column;padding:0 max(16px,env(safe-area-inset-right)) 8px max(16px,env(safe-area-inset-left))}.waterfallMode .pieceIntro{flex-shrink:0}.waterfallMode .titleBar{padding:6px 0 14px;gap:12px}.waterfallMode .eyebrow{font-size:10px;margin-bottom:6px;letter-spacing:.06em}.waterfallMode .pieceTitle h2{font-size:25px;line-height:1.28;letter-spacing:-.02em}.waterfallMode .chooseBtn{width:54px;min-width:54px;min-height:54px;border-radius:15px;font-size:11px}.waterfallMode .pieceExtras,.waterfallMode #uploadScoreBtn,.waterfallMode .sub{display:none}.waterfallMode .pieceExtras:has(#reviewImportBtn:not([hidden])){display:flex;margin:0 0 8px}.waterfallMode .viewSwitch{margin-bottom:12px;border:1px solid #ffffff07;background:#111a2a}.waterfallMode .viewSwitch button[aria-pressed=true]{background:#233247;color:#d2fff4;box-shadow:0 1px 6px #00000020}.waterfallPanel{position:relative;display:flex;flex-direction:column;flex:1 0 272px;min-height:272px;overflow:hidden;border:1px solid #2c3a50;border-radius:20px;background:#090e19;isolation:isolate}.waterfallTop{display:flex;flex-shrink:0;min-height:44px;align-items:center;justify-content:space-between;gap:8px;padding:0 12px 0 16px;font-size:10px;letter-spacing:.04em}.waterfallLegend{display:flex;gap:15px;color:#acbbcf}.waterfallLegend span{display:flex;align-items:center;gap:6px}.waterfallLegend span:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--waterfall-lh,#b699f5);box-shadow:0 0 8px var(--waterfall-lh,#b699f5)}.waterfallLegend .right:before{background:var(--waterfall-rh,#54e8cc);box-shadow:0 0 8px var(--waterfall-rh,#54e8cc)}.waterfallTopActions{display:flex;align-items:center;gap:8px}.waterfallLive{display:flex;align-items:center;gap:5px;color:#73849d;font-size:8px;letter-spacing:.14em}.waterfallLive i{width:3px;height:3px;background:#65758a;border-radius:50%}.waterfallLive.active{color:#a4c4cb}.waterfallLive.active i{background:var(--waterfall-rh,#54e8cc)}.waterfallExpand{background:transparent;min-width:44px;min-height:44px;padding:6px;color:#9bb0ca;font-size:10px;font-weight:400;gap:4px}.waterfallExpand .icon{width:14px;height:14px}.waterfallStage{position:relative;min-height:156px;flex:1;width:100%;overflow:hidden}#waterfallCanvas{position:absolute;inset:0;display:block;width:100%;height:100%;border:0}.waterfallBottom{flex-shrink:0;background:#101827;padding:8px 10px 0;text-align:center}#waterfallStatus{color:#a9bdd3;font-size:11px;line-height:16px}.waterfallOptions{display:flex;justify-content:center;align-items:center;gap:12px;min-height:44px}.waterfallOptions button{font-size:10px;min-height:44px;background:transparent;color:#a6b8cf;padding:6px 8px;font-weight:400}.waterfallOptions .icon{width:14px;height:14px}.waterfallMode .scoreHint{display:none}.waterfallMode .scoreHint:has(#retryLoad:not([hidden])){display:flex;flex-shrink:0;font-size:11px}.waterfallMode #scoreReadHint{display:none}.waterfallMode .detailLink{flex-shrink:0;background:transparent;border:0;font-size:11px;margin-top:2px;padding:6px 4px;min-height:44px;color:#98acc5}.waterfallMode .detailLinkEnd{font-size:10px}.waterfallMode .practiceDock{background:#101725;border-top-color:#263348}.waterfallImmersive .pieceIntro,.waterfallImmersive .detailLink{display:none}.waterfallImmersive .main{padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right));padding-bottom:8px}.waterfallImmersive .waterfallPanel{border-radius:16px}.waterfallImmersive .header{min-height:44px}.waterfallSettingsSheet{padding-top:18px}.waterfallSettingsIntro{font-size:12px;color:var(--muted);margin:0 0 20px;line-height:1.6}.waterfallThemeChoices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:22px}.waterfallThemeChoices button{display:flex;flex-direction:column;gap:6px;min-width:0;padding:9px 7px 12px;border:1px solid var(--line);background:var(--soft);border-radius:14px;text-align:center}.waterfallThemeChoices button[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.waterfallThemeChoices b{font-weight:500;font-size:12px;white-space:nowrap}.waterfallThemeChoices small{font-size:10px;font-weight:400;color:var(--muted)}.themeSwatch{position:relative;display:block;overflow:hidden;width:100%;height:62px;border-radius:8px;background:radial-gradient(ellipse at 50% 100%,#24434a,#0b101c 70%);--swatch-l:#b699f5;--swatch-r:#54e8cc}.themeSwatch:before,.themeSwatch:after{content:"";position:absolute;width:10px;border-radius:3px;left:28%;top:10px;height:38px;background:linear-gradient(90deg,#ffffff80,var(--swatch-l));box-shadow:0 0 12px var(--swatch-l)}.themeSwatch:after{left:59%;top:23px;height:32px;background:linear-gradient(90deg,#ffffffa0,var(--swatch-r));box-shadow:0 0 12px var(--swatch-r)}.themeSwatch.aurora{--swatch-l:#de91d8;--swatch-r:#61b9ff}.themeSwatch.amber{--swatch-l:#82bbc9;--swatch-r:#edbd6a}.waterfallSettingRow{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;min-height:44px;font-size:13px}.waterfallSettingRow label{flex-shrink:0}.waterfallSettingRow select{min-width:0;max-width:60%;min-height:44px;padding:6px 8px;background:var(--soft);color:var(--ink);border:1px solid var(--line);border-radius:9px;font-size:13px}.waterfallSettingRow output{color:var(--muted);font-size:12px}.waterfallSettingHint{margin:6px 0 14px;color:var(--muted);font-size:11px;line-height:1.7}.waterfallReset{min-height:44px;width:100%;margin-top:14px;background:transparent;color:var(--muted);font-size:12px;font-weight:400}#waterfallIntensity{width:100%;min-height:44px;margin:0;accent-color:var(--accent)}@media(max-width:350px){.waterfallMode .main{padding-left:12px;padding-right:12px}.waterfallMode .pieceTitle h2{font-size:22px}.waterfallTop{padding-left:12px;padding-right:8px}.waterfallTopActions{gap:3px}.waterfallExpand span{display:none}.waterfallThemeChoices{gap:6px}.waterfallThemeChoices small{font-size:9px}}@media(max-height:740px)and (orientation:portrait){.waterfallMode .eyebrow{display:none}.waterfallMode .pieceTitle h2{font-size:22px}.waterfallMode .titleBar{padding:2px 0 8px}.waterfallMode .viewSwitch{margin-bottom:8px}.waterfallMode .detailLink{display:none}.waterfallPanel{min-height:240px;flex-basis:240px}.waterfallStage{min-height:136px}}@media(max-height:680px)and (orientation:portrait){.waterfallMode .header{min-height:44px}.waterfallMode .titleBar{padding:0 0 6px;min-height:50px}.waterfallMode .chooseBtn{min-height:44px;width:48px;min-width:48px;flex-direction:row;font-size:10px;gap:3px;padding:6px}.waterfallMode .chooseBtn .icon{width:15px}.waterfallMode .pieceTitle h2{font-size:21px}.waterfallMode .viewSwitch{padding:2px;margin-bottom:8px}.waterfallMode .waterfallPanel{flex:1 0 168px;min-height:168px;border-radius:16px}.waterfallMode .waterfallStage{min-height:80px}.waterfallMode .waterfallBottom{padding-top:0}.waterfallMode #waterfallStatus{display:none}.waterfallMode .waterfallPanel[data-error=true] #waterfallStatus{display:block}.waterfallMode .practiceDock{padding-top:8px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}.waterfallMode .quickControls{margin-bottom:8px}}@media(orientation:landscape)and (max-height:540px){.waterfallMode .header{min-height:44px}.waterfallMode .main{display:flex;padding-bottom:4px}.waterfallMode .pieceIntro{display:none}.waterfallMode .viewSwitch{margin-bottom:4px;padding:1px;max-width:none}.waterfallMode .viewSwitch button{min-height:44px;padding:6px}.waterfallMode .waterfallPanel{flex:1 0 130px;min-height:130px;border-radius:14px}.waterfallMode .waterfallStage{min-height:86px}.waterfallMode .waterfallTop{position:absolute;z-index:2;top:0;left:0;width:100%;background:linear-gradient(#090e19c0,transparent)}.waterfallMode .waterfallLive,.waterfallMode #waterfallStatus{display:none}.waterfallMode .waterfallBottom{padding-top:0}.waterfallMode .detailLink{display:none}}.waterfallMode .header h1{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.waterfallMode .chooseBtn span{white-space:nowrap;flex-shrink:0}@media(max-height:680px)and (orientation:portrait){.waterfallMode .chooseBtn{width:54px;min-width:54px}}.viewSwitch{position:sticky;top:0;z-index:5}.viewSwitch button{white-space:nowrap;padding-left:7px;padding-right:7px}.combinedMode .pieceIntro,.combinedMode .detailLink{display:none}.combinedMode .viewSwitch{order:0;background:#111a2a}.combinedMode .scorePanel{order:1;flex:0 0 auto;margin-bottom:10px}.combinedMode .scoreTools{min-height:44px;padding-left:12px}.combinedMode .scoreFrame{min-height:120px;max-height:26vh;max-height:calc(var(--app-height,100dvh) * .26)}.combinedMode .scoreNavigation{padding:0 8px}.combinedMode .waterfallPanel{order:3;flex:0 0 220px;min-height:220px;margin-bottom:8px}.combinedMode .waterfallStage{min-height:110px}.combinedMode .waterfallTop{position:relative;min-height:44px}.combinedMode #waterfallStatus{display:none}.combinedMode .waterfallBottom{padding-top:0}.combinedMode .scoreHint{order:2}@media(max-height:680px){.combinedMode .waterfallPanel{flex-basis:202px;min-height:202px}.combinedMode .waterfallStage{min-height:100px}}