:root{--bg: #eef0f4;--panel: #ffffff;--ink: #1b1f27;--muted: #6b7280;--line: #d7dbe3;--accent: #2f6fed;--accent-soft: #e5edff;--danger: #c0392b;--ok: #1e874b;--radius: 9px;--tap: 44px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%;overscroll-behavior-y:contain}button,input,select{font:inherit;color:inherit}button{min-height:var(--tap);padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);cursor:pointer;touch-action:manipulation;white-space:nowrap}button:hover:not(:disabled){border-color:#b9c0cd}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.42;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.app{display:flex;flex-direction:column;min-height:100%}.toolbar{position:sticky;top:0;z-index:45;background:var(--panel);border-bottom:1px solid var(--line)}.toolbarRow{display:flex;align-items:center;gap:6px;padding:8px 10px;flex-wrap:wrap}.menuWrap{position:relative;flex:0 0 auto}.menu{position:absolute;top:calc(100% + 6px);right:0;z-index:50;min-width:210px;display:flex;flex-direction:column;gap:4px;padding:6px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px #10182829}.menu button,.menu .menuFile{justify-content:flex-start;width:100%;min-height:var(--tap);padding:0 12px;border:0;background:none;text-align:left;font-size:14px}.menu button:hover,.menu .menuFile:hover{background:var(--accent-soft)}.menu .menuPrimary{color:var(--ok);font-weight:600}.menuFile{display:inline-flex;align-items:center;cursor:pointer}.menuFile input{display:none}.menuField{display:flex;flex-direction:column;gap:4px;padding:4px 12px 6px;font-size:12px;color:var(--muted)}.menuField select{height:var(--tap);padding:0 8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--ink);font-size:14px}.menuSep{height:1px;background:var(--line);margin:2px 6px}.titleInput{flex:1 1 120px;min-width:96px;height:var(--tap);padding:0 10px;border:1px solid var(--line);border-radius:var(--radius);font-weight:600;font-size:15px}.transport{display:flex;gap:6px}.transport button{display:inline-flex;align-items:center;gap:6px;font-weight:600}.transport .rewind{min-width:var(--tap);padding:0 10px;font-size:18px;line-height:1}.transport .stop{min-width:var(--tap);padding:0 10px;font-size:14px;line-height:1}.transport .play{background:var(--accent);border-color:var(--accent);color:#fff;min-width:96px}.field{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.field span{white-space:nowrap}.field input,.field select{height:var(--tap);padding:0 8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--ink);font-size:14px}.field select{max-width:104px}.field.tempo input{width:74px}.toggle.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.primaryBtn{background:var(--ok);border-color:var(--ok);color:#fff;font-weight:600}.ghost{min-width:var(--tap);padding:0;color:var(--muted)}.sep{width:1px;align-self:stretch;background:var(--line);margin:0 2px}.fileButton{display:inline-flex;align-items:center;min-height:var(--tap);padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);cursor:pointer}.fileButton input{display:none}.notebar{background:#f7f8fa;border-top:1px solid #eef0f4;padding-top:6px;padding-bottom:6px;row-gap:6px}.durations{display:flex;gap:4px;flex:0 0 auto}.durBtn{min-width:44px;padding:0 6px}.durBtn .glyph{font-size:19px;line-height:1}.durBtn.active{background:var(--accent);border-color:var(--accent);color:#fff}.check{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);white-space:nowrap}.check input{width:18px;height:18px}.status{margin-left:auto;flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.main{flex:1;padding:12px 10px calc(var(--fret-pad-h, 120px) + 12px)}.scoreWrap{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:6px 4px;overflow:hidden}.scoreCanvas{position:relative;touch-action:pan-y;user-select:none;-webkit-user-select:none}.selRect{position:absolute;z-index:1;pointer-events:none;background:var(--accent-soft);border:1px solid var(--accent);border-radius:4px}.scoreSvg svg{display:block;max-width:100%}.scoreError{margin:8px;color:var(--danger)}.chordSlot{position:absolute;min-height:26px;height:26px;padding:0 7px;border:1px dashed transparent;border-radius:6px;background:transparent;color:#b6bcc7;font-size:15px;font-weight:600;line-height:1;z-index:6}.chordSlot:hover{border-color:var(--line);color:var(--accent);background:#fafbfd}.chordSlot.filled{color:var(--ink);border-color:transparent;font-size:16px}.chordSlot.filled:hover{background:var(--accent-soft)}.chordSlot.bad{color:var(--danger);text-decoration:underline wavy var(--danger)}.cursorLine{position:absolute;width:2px;background:#2f6fed47;border-radius:2px;pointer-events:none;z-index:4}.cursorCell{position:absolute;width:26px;height:20px;border:2px solid var(--accent);border-radius:5px;background:#2f6fed1a;pointer-events:none;z-index:5}.playhead{position:absolute;top:0;left:0;width:2px;background:#e8590c;pointer-events:none;z-index:7;transition:opacity .15s}.chordEditor{position:fixed;z-index:60;width:392px;max-width:calc(100vw - 12px);max-height:calc(100vh - 12px);max-height:calc(100dvh - 12px);display:flex;flex-direction:column;overflow:hidden;background:var(--panel);border:1px solid var(--accent);border-radius:8px;padding:6px;box-shadow:0 8px 24px #10182829;min-width:190px}.chordEditorTop{display:flex;gap:6px;align-items:stretch}.chordOk{min-width:38px;padding:0 8px;border-color:var(--accent);color:var(--accent);font-weight:700}.chordTabs{display:flex;gap:4px;margin-top:6px}.chordTab{flex:1;min-height:32px;font-size:12px;font-weight:600}.chordTab.active{background:var(--accent);border-color:var(--accent);color:#fff}.chordLib{margin-top:6px;padding-top:6px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px;flex:1 1 auto;min-height:0}.chordLibSearch{width:100%;height:var(--tap);padding:0 8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--ink);font-size:14px}.chipRow{display:flex;flex-wrap:wrap;gap:4px}.chip{min-height:34px;padding:0 11px;border-radius:17px;font-size:12px;font-weight:600;white-space:nowrap;flex:0 0 auto}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.chip.scale.active{background:var(--ink);border-color:var(--ink)}.chordLibList{overflow-y:auto;overflow-x:hidden;padding-right:12px;scrollbar-gutter:stable;display:grid;grid-template-columns:minmax(0,1fr);gap:3px;flex:1 1 auto;min-height:100px}.chordLibRow{display:flex;align-items:stretch;gap:4px;min-width:0;border:1px solid transparent;border-radius:var(--radius)}.chordLibRow:hover{background:var(--accent-soft);border-color:var(--line)}.chordLibRow.active{border-color:var(--accent)}.chordLibPick{flex:1 1 auto;display:flex;gap:8px;align-items:baseline;text-align:left;min-height:46px;padding:6px 8px;min-width:0;border-color:transparent;background:transparent}.chordLibPlay{flex:0 0 46px;display:inline-flex;align-items:center;justify-content:center;min-height:46px;border-color:transparent;background:transparent;color:var(--accent);line-height:1}.chordLibPlay:hover:not(:disabled){background:var(--panel);border-color:var(--accent)}.chordLibPlay:active:not(:disabled){background:var(--accent);color:#fff}.chordLibSymbol{flex:0 0 88px;font-size:15px;font-weight:700;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chordLibBody{display:grid;gap:1px;min-width:0}.chordLibName{font-size:13px;font-weight:600}.chordLibTones{font-size:12px;color:var(--muted);overflow-wrap:anywhere}.chordLibScales{font-size:11px;color:var(--muted);opacity:.85;overflow-wrap:anywhere}.chordLibEmpty,.chordLibFoot{margin:2px 0 0;font-size:11px;color:var(--muted)}@media (pointer: coarse){.chordLibPick,.chordLibPlay{min-height:56px}.chordLibPlay{flex-basis:56px;border-color:var(--line)}.chordLibSymbol{flex-basis:96px;font-size:16px}.chordLibName{font-size:14px}.chordLibTones{font-size:13px}.chordLibScales{font-size:12px}.chip{min-height:40px;padding:0 14px;font-size:13px}.chordLibList{gap:5px;padding-right:16px}.padBtn{min-height:44px;font-size:13px}.chordPadBass .padBtn{min-width:44px}.chordTab{min-height:42px;font-size:14px}.chordOk{min-width:52px}}.chordPad{margin-top:6px;padding-top:6px;border-top:1px solid var(--line);display:grid;gap:5px;overflow-y:auto;overflow-x:hidden;padding-right:12px;scrollbar-gutter:stable;min-height:0}.chordPadRoots{display:grid;grid-template-columns:repeat(12,1fr);gap:3px}.chordPadQualities{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}.chordPadBass{display:flex;align-items:center;gap:3px}.padLabel{font-size:11px;color:var(--muted);margin-right:3px}.padBtn{min-height:34px;min-width:0;padding:0 2px;border-radius:5px;font-size:12px;font-weight:600;line-height:1;overflow:hidden;text-overflow:ellipsis}.chordPadBass .padBtn{min-width:34px;padding:0 8px}.padBtn.active{background:var(--accent);border-color:var(--accent);color:#fff}.chordInput{width:100%;height:38px;padding:0 8px;border:1px solid var(--line);border-radius:6px;font-size:16px;font-weight:600}.chordInput.bad{border-color:var(--danger)}.chordHint{margin-top:4px;font-size:11px;color:var(--muted);max-width:240px}.chordSuggestions{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;max-width:260px}.chordSuggestions button{min-height:32px;padding:0 8px;font-size:13px;border-radius:6px;background:#f4f6fa}.chordRecents{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}.chordRecentsLabel{font-size:12px;color:var(--muted);margin-right:2px}.chordRecents button{min-height:32px;padding:0 10px;font-size:13px;font-weight:600;border-radius:6px;background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}@media (pointer: coarse){.chordRecents button{min-height:44px;padding:0 14px;font-size:14px}}.fretPad{position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--panel);border-top:1px solid var(--line);box-shadow:0 -6px 20px #10182814;padding-bottom:env(safe-area-inset-bottom)}.fretPadHandle{display:block;width:100%;min-height:34px;border:0;border-radius:0;background:#f7f8fa;color:var(--muted);font-size:12px}.fretPadBody{padding:8px 10px 10px;display:flex;flex-direction:column;gap:8px}.stringRow{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.stringBtn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:0}.stringBtn .stringNum{font-weight:700;font-size:15px}.stringBtn .stringName{font-size:10px;color:var(--muted)}.stringBtn.active{background:var(--accent);border-color:var(--accent);color:#fff}.stringBtn.active .stringName{color:#fffc}.fretGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:5px}.fretBtn{padding:0;font-variant-numeric:tabular-nums}.fretBtn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:700}.padActions{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.padActions .danger{color:var(--danger)}.helpBackdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#10182873;display:flex;align-items:flex-start;justify-content:center;padding:20px;overflow:auto}.helpPanel{background:var(--panel);border-radius:12px;padding:18px 20px 24px;max-width:620px;width:100%}.helpHead{display:flex;align-items:center;justify-content:space-between;gap:12px}.helpPanel h2{margin:0;font-size:20px}.helpPanel h3{margin:18px 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.helpPanel p{margin:6px 0}.helpPanel code{background:#f0f2f6;border-radius:4px;padding:1px 5px;font-size:13px}.keyTable{border-collapse:collapse;width:100%}.keyTable th{text-align:left;padding:3px 12px 3px 0;white-space:nowrap;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:12px;vertical-align:top;width:1%}.keyTable td{padding:3px 0;color:var(--muted)}@media (max-width: 700px){.toolbarRow.primary .field.tempo input{width:62px}.titleInput{flex-basis:100%}.status{width:100%;margin-left:0}}@media (pointer: coarse){.chordSlot{min-height:30px;height:30px;padding:0 10px}}.leadBackdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:flex;flex-direction:column;background:#40464f}.leadBar{display:flex;align-items:center;gap:8px;padding:6px 10px;padding-top:max(6px,env(safe-area-inset-top));background:#2d323a;flex:0 0 auto}.leadBar button{min-height:38px;border-color:#545b66;background:#3b4149;color:#f2f4f7}.leadBar .leadPlay{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.leadSpacer{flex:1}.leadPage{flex:1;min-height:0;display:flex;flex-direction:column;margin:10px;margin-bottom:max(10px,env(safe-area-inset-bottom));padding:14px 18px 18px;background:#fff;color:#000;border-radius:4px;box-shadow:0 6px 24px #00000059}.leadHead{flex:0 0 auto;display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}.leadHead h1{margin:0;font-size:21px;line-height:1.2}.leadHead p{margin:0;font-size:13px;color:#444;white-space:nowrap}.leadArea{flex:1;min-height:0;position:relative;overflow:hidden}.leadSheet{position:absolute;top:0;left:0;transform-origin:top left}.leadSvg svg{display:block}.leadNowBar{position:absolute;top:0;left:0;z-index:0;background:#2f6fed1a;border-radius:3px;pointer-events:none;transition:opacity .15s}.leadPlayhead{position:absolute;top:0;left:0;width:2px;z-index:2;background:#e8590c;pointer-events:none;transition:opacity .15s}@page{size:landscape;margin:10mm}@media print{.toolbar,.main,.fretPad,.helpBackdrop,.leadBar,.leadNowBar,.leadPlayhead{display:none!important}.app{display:block;min-height:0}html,body{background:#fff}.leadBackdrop{position:static;display:block;background:none}.leadPage{margin:0;padding:0;box-shadow:none;border-radius:0;display:block}.leadArea{overflow:visible;position:static}.leadSheet{position:static;transform:none!important;width:auto!important;height:auto!important}.leadSvg svg{width:100%!important;height:auto!important}}