:root{--bg:#e7e5df;--card:#f7f8f9;--raised:#fff;--rail:#e9edf3;--soft:#eef0f3;--softer:#f1f3f6;--wave-bg:#f6f8fb;--ink:#18181b;--ink-2:#52525b;--ink-2b:#3f434a;--ink-3:#8a8a92;--ink-4:#a8b0bd;--ink-5:#b0b6c0;--ink-6:#c8ccd3;--accent:#2f89f7;--play-grad:linear-gradient(140deg, #5aa6ff 0%, #2f89f7 52%, #1f6fd0 100%);--accent-dark:#1f6fd0;--accent-pale:#dceaff;--accent-pale-2:#eef3fb;--wave-idle:#c9d7ea;--ok:#34c759;--ok-ink:#1e7c3c;--ok-bg:#eaf7ee;--warn:#e0776a;--warn-ink:#c05a4c;--recording-bg:#fff0ee;--recording-line:#f2a49b;--video:#ff3b30;--key-black:#0b0b0d;--hand-right:#8b6bd9;--hand-right-deep:#8b6bd9;--hand-right-wash:#8b6bd9;--hand-right-tint:#8b6bd9;--hand-right-ink:#fff;--hand-left:#ee7650;--hand-left-deep:#ee7650;--hand-left-wash:#ee7650;--hand-left-tint:#ee7650;--hand-left-ink:#fff;--stem-piano:#2f89f7;--stem-voice:#ef8b3c;--stem-bass:#34c759;--stem-drums:#ff2d92;--ms-mute:#e0776a;--ms-solo:#e8a53a;--fn-i:#2f89f7;--fn-II:#e8912a;--fn-bII:#8b5cf6;--fn-III:#e0776a;--fn-v:#0f9b8e;--fn-bVII:#4f46e5;--surface:#fff;--dim:#5a5d64;--muted:#8a8d94;--faint:#9a9da3;--b08:#14141914;--b10:#1414191a;--b12:#1414191f;--b14:#14141924;--font-mono:var(--mono);--line:#0000000f;--line-2:#00000012;--line-3:#00000014;--line-4:#00000017;--line-5:#0000001f;--line-6:#00000024;--r-xs:4px;--r-sm:6px;--r-md:9px;--r-lg:11px;--r-card:12px;--r-zone:13px;--r-page:18px;--r-pill:999px;--sh-pill:0 1px 2px #00000014;--sh-knob:0 1px 3px #0003;--sh-modal:0 24px 70px #00000052;--h-chordband:62px;--h-highway:200px;--h-keys:158px;--kb-inset:42px;--h-score:300px;--h-blackkey:96px;--h-wave:88px;--h-ministem:34px;--h-sections:26px;--sans:"Instrument Sans", "Noto Music", system-ui, sans-serif;--display:"Instrument Sans", "Noto Music", system-ui, sans-serif;--mono:"JetBrains Mono", ui-monospace, SFMono-Regular, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;padding:0}input{font:inherit}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.display{font-family:var(--display);letter-spacing:-.02em;font-weight:600}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}.page{max-width:1440px;margin:0 auto;padding:18px}.card-page{border-radius:var(--r-page);background:var(--card);border:1px solid var(--line);flex-direction:column;gap:12px;padding:15px;display:flex;box-shadow:0 1px 3px #14161e0d,0 26px 48px -34px #14161e73}.block{background:var(--raised);border:1px solid var(--line-2);border-radius:var(--r-card);padding:14px 15px;box-shadow:0 1px 2px #14161e0a}.capture-banner{align-items:center;gap:9px;padding:9px 12px;font-size:11.5px;line-height:1.3;display:flex}.capture-banner.phase-recording{background:var(--recording-bg);border-color:var(--recording-line);color:var(--warn-ink);box-shadow:0 2px 8px #c05a4c1a}.capture-banner.phase-recording .dot{background:var(--video);box-shadow:0 0 0 4px #ff3b301f}.capture-banner.phase-error{border-color:var(--warn)}.capture-banner.phase-ready{border-color:var(--accent);background:var(--accent-pale-2)}.capture-note{opacity:.75;font-style:normal}.capture-banner .pill{padding:6px 12px;font-size:11.5px}.spacer{flex:1}.pill{border-radius:var(--r-pill);background:var(--raised);border:1px solid var(--line-5);white-space:nowrap;padding:9px 15px;font-size:12.5px;font-weight:600;transition:border-color .15s,box-shadow .15s,transform .12s;box-shadow:0 1px 2px #14161e0d}.pill-icon{vertical-align:-2px;opacity:.65;width:13px;height:13px;margin-right:5px}.pill:not(:disabled):hover{border-color:var(--line-6);box-shadow:0 3px 9px #14161e1a}.pill:disabled{color:var(--ink-5);box-shadow:none;cursor:not-allowed}.pill.dark{background:var(--ink);color:#fff;border-color:#0000}.seg{background:var(--softer);border-radius:var(--r-pill);gap:2px;padding:3px;display:flex}.seg>button{border-radius:var(--r-pill);color:var(--ink-2);white-space:nowrap;padding:5px 11px;font-size:11.5px;font-weight:500;transition:background .15s,color .15s}.seg>button:not(.on):not(:disabled):hover{color:var(--ink);background:#ffffffd9}.seg>button.on{background:var(--ink);color:#fff;box-shadow:var(--sh-pill);font-weight:600}.seg>button:disabled{color:var(--ink-5);cursor:not-allowed}.seg.sync-shaky{box-shadow:inset 0 0 0 1.5px #c05a4c}.sync-warn{color:#c05a4c;margin-right:5px;font-style:normal;font-weight:700;display:inline-block}.rate-picker{border-radius:var(--r-pill);background:var(--softer);color:var(--ink-3);white-space:nowrap;align-items:center;gap:7px;padding:3px 4px 3px 10px;font-size:11px;font-weight:500;display:flex}.rate-picker select{border-radius:var(--r-pill);background:var(--raised);min-width:67px;color:var(--ink);font:inherit;cursor:pointer;box-shadow:var(--sh-pill);border:0;padding:5px 22px 5px 9px;font-size:11.5px;font-weight:600}.rate-picker select:disabled{color:var(--ink-5);cursor:not-allowed;box-shadow:none}.metronome-btn{box-sizing:border-box;background:var(--softer);width:32px;height:32px;color:var(--ink-3);border-radius:999px;flex:0 0 32px;justify-content:center;align-items:center;padding:0;transition:background .15s,color .15s;display:inline-flex}.metronome-btn.on{background:var(--ink);color:#fff}.switch{border-radius:var(--r-pill);background:var(--soft);color:var(--ink-2);align-items:center;gap:9px;padding:7px 13px;font-size:12.5px;font-weight:600;display:inline-flex}.switch.on{background:var(--accent);color:#fff}.switch .track{border-radius:var(--r-pill);background:var(--ink-6);width:28px;height:16px;transition:background .15s;position:relative}.switch.on .track{background:#fff6}.switch .track:after{content:"";width:12px;height:12px;box-shadow:var(--sh-knob);background:#fff;border-radius:50%;transition:transform .15s;position:absolute;top:2px;left:2px}.switch.on .track:after{transform:translate(12px)}.header{align-items:stretch;gap:18px;display:flex}.song-col{flex:none;gap:14px;width:340px;display:flex}.cover{border-radius:var(--r-zone);object-fit:cover;background:linear-gradient(150deg,#dfe5ee,#aeb9ca);flex:none;width:96px;height:96px;box-shadow:0 8px 20px -8px #14161e66,inset 0 0 0 1px #ffffff73}.song-id{flex-direction:column;gap:2px;min-width:0;padding-top:2px;display:flex}.song-title{font-family:var(--display);letter-spacing:-.03em;-webkit-line-clamp:2;overflow-wrap:anywhere;-webkit-box-orient:vertical;font-size:23px;font-weight:700;line-height:1.12;display:-webkit-box;overflow:hidden}.song-artist{color:var(--ink-2);text-overflow:ellipsis;white-space:nowrap;font-size:13.5px;overflow:hidden}.song-meta{color:var(--ink-3);letter-spacing:.01em;font-size:11px}.song-state{min-width:0;color:var(--accent);align-items:center;gap:7px;margin-top:9px;display:flex}.song-state.done{color:var(--ok-ink)}.ring{color:inherit;flex:none}.ring circle[stroke-dasharray]{transition:stroke-dasharray .35s ease-out}.state-text{color:var(--ink-2);align-items:center;gap:6px;min-width:0;font-size:12px;display:flex}.state-label{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.state-progress{border-radius:var(--r-pill);background:var(--accent-pale);color:var(--accent-dark);flex:none;padding:2px 6px;font-weight:700;line-height:1.25}.redo{border-radius:var(--r-pill);color:var(--ink-2);background:var(--soft);align-self:flex-start;align-items:center;gap:6px;margin-top:9px;padding:5px 12px;font-size:11.5px;font-weight:600;transition:background .15s,color .15s;display:inline-flex}.redo:hover{background:var(--accent-pale-2);color:var(--accent-dark)}.redo.missing-notes{color:var(--warn-ink);background:color-mix(in srgb, var(--warn) 14%, transparent)}.lyrics-col{flex:1;min-width:0;display:flex}.lyrics-col>.lyrics{flex:1}.video-col{flex-direction:column;width:360px;display:flex}.video-frame{border-radius:var(--r-card);background:linear-gradient(160deg,#c9ccd2,#2a2c31);flex:1;min-height:170px;position:relative;overflow:hidden}.video-frame iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.video-caption{color:#fff;pointer-events:none;font-size:11px;position:absolute;bottom:9px;left:10px;right:10px}.video-progress{background:#ffffff40;height:3px;position:absolute;bottom:0;left:0;right:0}.video-progress>i{background:var(--video);height:100%;display:block}.practice-card{background:var(--raised);border:1px solid var(--line-2);border-radius:var(--r-card);overflow:hidden;box-shadow:0 1px 2px #14161e0a}.displaybar{background:var(--rail);border-radius:var(--r-lg);align-items:center;gap:10px;padding:9px 12px;display:flex}.practice-card>.displaybar{background:0 0;border-radius:0;padding:14px 15px 12px}.displaybar>.label{color:var(--ink-3);font-size:12px}.mode-switch{background:var(--softer);border-radius:12px;align-items:center;gap:2px;padding:3px;display:flex;box-shadow:inset 0 0 0 1px #14161e06}.mode-switch .mode-pill{box-shadow:none;background:0 0}.mode-switch .mode-pill:not(.on):hover{box-shadow:none;background:#ffffff9e}.mode-switch .mode-pill.on{background:var(--raised);color:var(--accent-dark);box-shadow:0 1px 3px #14161e21}.mode-switch .mode-pill:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.separate-action{margin-left:auto}.mode-pill{border-radius:var(--r-pill);background:var(--raised);color:var(--ink-2);padding:7px 15px;font-size:12.5px;font-weight:500;transition:background .15s,color .15s,box-shadow .15s}.mode-pill:not(.on):hover{color:var(--ink);box-shadow:0 2px 7px #14161e1a}.mode-pill.on{background:var(--ink);color:#fff;box-shadow:var(--sh-pill);font-weight:600}.note-right{color:var(--ink-3);font-size:11.5px}.waveblock{flex-direction:column;gap:10px;display:flex}.practice-card>.waveblock{box-shadow:none;background:0 0;border:0;border-radius:0;padding:0 15px 14px}.loop-row{align-items:center;gap:10px;display:flex}.sections{height:var(--h-sections);gap:4px;display:flex}.section{border-radius:var(--r-sm);background:var(--soft);color:var(--ink-3);white-space:nowrap;justify-content:center;align-items:center;min-width:0;font-size:11px;font-weight:500;transition:box-shadow .15s,filter .15s;display:flex;overflow:hidden}.section:hover{filter:brightness(.97)}.section.sk-intro{color:#2f6df6;background:#e6efff}.section.sk-verse{color:#17915d;background:#e4f4e9}.section.sk-chorus{color:#d2493a;background:#fde8e6}.section.sk-bridge{color:#a97a10;background:#fdf1d8}.section.sk-outro{color:#6b5bd0;background:#eeebf9}.section.on{font-weight:700;box-shadow:inset 0 0 0 1.5px}.bar-ticks{color:var(--ink-4);justify-content:space-between;font-size:10px;display:flex}.bar-ticks>span.in{color:var(--accent)}.wave{height:var(--h-wave);border-radius:var(--r-md);background:linear-gradient(180deg, #f9fafd, var(--wave-bg));cursor:pointer;touch-action:none;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #0000000a,inset 0 1px 3px #14161e0d}.wave-grid{pointer-events:none;display:flex;position:absolute;inset:0}.wave-grid>i{border-right:1px solid #0000000a;flex:1}.wave-grid>i:nth-child(2n){border-right-color:#00000017}.wave-bars{align-items:center;gap:1px;padding:0 2px;display:flex;position:absolute;inset:0}.wave-bars>i{background:linear-gradient(180deg, var(--wave-idle), #b6c6dd);border-radius:3px;flex:1;min-height:2px;transition:background .2s}.wave-bars>i.in{background:linear-gradient(180deg, #59a3f9, var(--accent))}.loop-region{border-left:2px solid var(--accent);border-right:2px solid var(--accent);pointer-events:none;background:#2f89f71a;position:absolute;top:0;bottom:0}.loop-region.off{border-color:var(--ink-6);background:#0000000a}.loop-handle{border-radius:var(--r-xs);background:var(--accent);cursor:ew-resize;pointer-events:auto;touch-action:none;width:12px;height:30px;margin-top:-15px;position:absolute;top:50%}.loop-region.off .loop-handle{background:var(--ink-6)}.playhead{background:var(--ink);pointer-events:none;width:2px;position:absolute;top:0;bottom:0}.playhead:before{content:"";background:var(--ink);border:2px solid var(--raised);border-radius:50%;width:11px;height:11px;position:absolute;top:-4px;left:50%;transform:translate(-50%);box-shadow:0 1px 4px #14161e59}.wave-badge{color:var(--accent-dark);letter-spacing:.04em;border-radius:var(--r-pill);background:#2f89f724;padding:3px 9px;font-size:10.5px;font-weight:700;position:absolute;top:8px;left:10px}.lyrics{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:3px;min-width:0;padding:4px 10px;display:flex}.lyrics-empty{color:var(--ink-3);font-size:13.5px}.lyric-now-chord{color:var(--accent);min-height:21px;font-size:17px;font-weight:600;line-height:1.2}.lyric-line{text-align:center;text-wrap:pretty;width:100%;transition:color .18s;display:block}.lyric-line:disabled{cursor:default}.lyric-line:not(:disabled):hover{color:var(--accent)}.lyric-line.past{color:#a6adb8;font-size:14px;line-height:1.3}.lyric-line.now{letter-spacing:-.015em;color:var(--ink);font-size:24px;font-weight:600;line-height:1.24}.lyric-line.next{color:var(--ink-2);font-size:15px;line-height:1.3}.lyric-word{transition:color 60ms linear}.lyric-line.now .lyric-word.sung{color:var(--accent)}@media (prefers-reduced-motion:reduce){.lyric-word{transition:none}}.lyric-shift{color:var(--ink-4);border-radius:var(--r-pill);background:var(--soft);margin-top:6px;padding:2px 9px;font-size:10.5px;font-weight:600}.lyric-shift:hover{color:var(--ink-2)}.centre{background:var(--raised);border:1px solid var(--line-2);border-radius:var(--r-card);overflow:hidden}.practice-card>.centre{border-width:1px 0 0;border-radius:0}.chordband{height:var(--h-chordband);background:var(--card);position:relative;overflow:hidden}.chordempty{height:100%;font-family:var(--mono);color:var(--ink-4);justify-content:center;align-items:center;font-size:10px;display:flex}.chordfocus{border:2px solid var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent);z-index:0;border-radius:8px;position:absolute;top:5px;bottom:5px}.chordstrip{z-index:1;will-change:transform;position:absolute;inset:0}.chordcell{flex-direction:column;justify-content:center;align-items:flex-start;gap:1px;padding-left:12px;display:flex;position:absolute;top:0;bottom:0;overflow:hidden}.chordcell.bar{border-left:1px solid var(--line-5)}.chordcell .name{font-family:var(--display);letter-spacing:-.025em;color:var(--ink-2b);font-size:21px;font-weight:600;line-height:1.05}.chordcell .roman{font-family:var(--mono);color:var(--ink-4);font-size:10px}.chordcell.on .name{color:var(--accent);font-size:26px}.chordcell.on .roman{color:var(--accent)}.chordband.provisional .chordcell .name{opacity:.72}.highway{height:var(--h-highway);background:linear-gradient(180deg, #eef2f8 0%, var(--wave-bg) 55%, #fdfefe 100%);position:relative;overflow:hidden}.lanes{inset:0 var(--kb-inset);pointer-events:none;display:flex;position:absolute}.lanes>i{border-right:1px solid #0000000d;flex:1}.lanes>i:last-child{border-right:none}.fallbox{inset:0 var(--kb-inset);position:absolute}.fall{--hand:var(--hand-right);--hand-deep:var(--hand-right-deep);--hand-wash:var(--hand-right-wash);--hand-tint:var(--hand-right-tint);--hand-ink:var(--hand-right-ink);border-radius:var(--r-sm);background:var(--hand-wash);color:var(--hand-ink);will-change:transform;justify-content:center;align-items:flex-end;padding-bottom:2px;font-size:10.5px;font-weight:600;display:flex;position:absolute;overflow:hidden}.fall.hand-L{--hand:var(--hand-left);--hand-deep:var(--hand-left-deep);--hand-wash:var(--hand-left-wash);--hand-tint:var(--hand-left-tint);--hand-ink:var(--hand-left-ink)}.fall.black{background:var(--hand-tint);color:var(--hand-deep)}.fall.soon{background:var(--hand);color:#fff;font-size:12px;font-weight:700}.fall.soon.black{background:var(--hand-deep);color:#fff}.strikeline{left:var(--kb-inset);right:var(--kb-inset);background:var(--accent);height:2px;position:absolute;bottom:0;box-shadow:0 0 12px #2f89f780}.keybed{perspective:960px;perspective-origin:100% 0}.keyboard{height:var(--h-keys);margin:0 var(--kb-inset) 20px;-webkit-user-select:none;user-select:none;transform-origin:top;transform-style:preserve-3d;background:linear-gradient(#17181c 0%,#303239 60%,#b9bec8 61%,#dfe3e9 100%);border-radius:4px 4px 10px 10px;display:flex;position:relative;transform:rotateX(5deg)skew(-1.5deg);box-shadow:0 18px 30px -18px #14161e99}.mode-score .keyboard{height:132px}.mode-score .bkey{height:78px}.mode-chords .keyboard{height:142px}.mode-chords .bkey{height:85px}.wkey{--key-hand:var(--hand-right);cursor:pointer;background:linear-gradient(#f7f8fa 0%,#fff 55%,#f3f4f7 86%,#dcdee4 100%);border-radius:0 0 7px 7px;flex:1;justify-content:center;align-items:flex-end;margin-right:2px;padding-bottom:15px;transition:background .1s ease-out,box-shadow .1s ease-out;display:flex;position:relative;box-shadow:inset -2px 0 3px -2px #00000029,inset 2px 0 2px -2px #fffffff2,inset 0 10px 10px -10px #00000080,0 3px 5px #14161e24}.wkey[data-hand=L]{--key-hand:var(--hand-left)}.wkey:last-child{margin-right:0}.wkey-front{pointer-events:none;background:linear-gradient(#eceef2 0%,#d3d6dd 55%,#b9bdc6 100%);border-radius:0 0 7px 7px;height:11px;position:absolute;bottom:0;left:0;right:0;box-shadow:inset 0 1px #ffffffd9}.wkey .name{font-family:var(--mono);color:var(--ink-4);pointer-events:none;z-index:1;font-size:10px;position:relative}.wkey:not(.on):not(.pressed):hover{background:linear-gradient(#f2f6fd 0%,#fff 55%,#eef3fb 86%,#d5dae4 100%)}.wkey.on,.keyboard .wkey.pressed{background:var(--key-hand);box-shadow:0 1px 2px #14161e1a}.wkey.on .wkey-front,.keyboard .wkey.pressed .wkey-front{display:none}.wkey.on:after,.keyboard .wkey.pressed:after{content:"";background:var(--key-hand);height:7px;box-shadow:none;border-radius:0 0 7px 7px;position:absolute;bottom:0;left:0;right:0}.wkey.on.sustained:not(.pressed){background:var(--key-hand)}.wkey.on.sustained:not(.pressed):after{background:var(--key-hand);box-shadow:none}.finger{background:var(--hand-right);color:#fff;width:20px;height:20px;font-family:var(--mono);pointer-events:none;z-index:1;border-radius:50%;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex;position:absolute;bottom:40px;left:50%;transform:translate(-50%);box-shadow:0 2px 6px #14161e52,inset 0 1px #fff6}.finger.hand-L{background:var(--hand-left)}.bkey{--key-hand:var(--hand-right-deep);width:64%;height:var(--h-blackkey);z-index:3;cursor:pointer;background:linear-gradient(#43454e 0%,#23242c 34%,#131419 86%,#08080b 100%);border-radius:0 0 5px 5px;transition:background .1s ease-out,box-shadow .1s ease-out;position:absolute;top:0;right:-32%;box-shadow:2px 4px 8px #00000073,inset 2px 0 1px #ffffff29,inset -2px 0 3px #00000080}.bkey[data-hand=L]{--key-hand:var(--hand-left-deep)}.bkey-front{pointer-events:none;background:linear-gradient(#4a4c56,#2a2b33);border-radius:0 0 5px 5px;height:8px;position:absolute;bottom:0;left:0;right:0;box-shadow:inset 0 1px #ffffff2e}.bkey:not(.on):not(.pressed):hover{background:linear-gradient(#4d505c 0%,#2a2c36 34%,#17181f 86%,#0b0b10 100%)}.bkey.on,.keyboard .bkey.pressed{background:var(--key-hand);box-shadow:none}.bkey.on .bkey-front,.keyboard .bkey.pressed .bkey-front{background:var(--key-hand)}.bkey.on.sustained:not(.pressed){background:var(--key-hand);box-shadow:none}.bkey .finger{width:22px;height:22px;color:var(--black-digit);background:#fff;font-size:11px;bottom:10px}.actions{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:10px;display:grid}.sound-controls{grid-column:2;justify-content:center;align-items:center;gap:10px;display:flex}.export-actions{grid-column:3;justify-content:flex-end;align-items:center;gap:10px;display:flex}.dot{background:#d6dae1;border-radius:50%;flex:none;width:9px;height:9px}.fader{border-radius:var(--r-pill);background:var(--raised);border:1px solid var(--line-5);align-items:center;gap:9px;padding:6px 13px;display:flex}.fader-end{color:var(--ink-3);white-space:nowrap;font-size:11.5px}.fader>input[type=range]{width:120px;accent-color:var(--accent);cursor:pointer;margin:0}.stems{flex-direction:column;gap:8px;display:flex}.stem-row{border-radius:var(--r-md);cursor:pointer;border:1px solid #0000;align-items:center;gap:10px;padding:6px 8px;display:flex}.stem-name{flex:none;width:96px}.stem-name b{font-size:13.5px;font-weight:600;display:block}.stem-name span{color:var(--ink-3);font-size:10.5px}.ministem{height:var(--h-ministem);flex:1;align-items:center;gap:1px;display:flex}.ministem>i{border-radius:2px;flex:1;min-height:2px}.ms-btn{border-radius:var(--r-sm);background:var(--softer);width:32px;height:28px;color:var(--ink-2);font-size:11px;font-weight:700}.ms-btn.on{background:var(--ink);color:#fff}.overlay{-webkit-backdrop-filter:blur(1.5px);backdrop-filter:blur(1.5px);z-index:50;background:#18181b6b;justify-content:center;align-items:flex-start;padding-top:120px;display:flex;position:fixed;inset:0}.modal{background:var(--raised);border-radius:var(--r-page);width:600px;max-width:calc(100vw - 32px);box-shadow:var(--sh-modal);flex-direction:column;gap:18px;padding:26px 28px 24px;display:flex}.modal h2{font-family:var(--display);letter-spacing:-.03em;margin:0;font-size:24px;font-weight:700}.modal .sub{color:var(--ink-3);font-size:13.5px}.modal-close{background:var(--softer);width:30px;height:30px;color:var(--ink-2);border-radius:50%;justify-content:center;align-items:center;display:flex}.field{border:1px solid var(--line-6);border-radius:var(--r-lg);background:#fbfcfd;flex:1;padding:14px 15px;font-size:14px}.field::placeholder{color:var(--ink-5)}.btn-primary{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:14px 26px;font-size:14px;font-weight:600}.btn-primary:disabled{background:var(--ink-5);cursor:not-allowed}.or{color:var(--ink-4);letter-spacing:.08em;align-items:center;gap:12px;font-size:11.5px;display:flex}.or:before,.or:after{content:"";background:var(--line);flex:1;height:1px}.drop{border-radius:var(--r-zone);text-align:center;cursor:pointer;background:#f5f9ff;border:1.5px dashed #2f89f773;flex-direction:column;align-items:center;gap:8px;padding:34px 20px;display:flex}.drop.over{border-color:var(--accent);background:#e8f2ff}.drop .circle{background:var(--accent-pale);width:42px;height:42px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:flex}.drop b{font-size:14.5px;font-weight:600}.drop span{color:var(--ink-3);font-size:12.5px}.modal-foot{background:var(--card);border-radius:var(--r-lg);color:var(--ink-2);align-items:center;gap:10px;padding:12px 14px;font-size:12.5px;display:flex}.err{color:var(--warn-ink);font-size:12.5px}.chordlist{max-height:calc(var(--h-chordband) + var(--h-highway));flex-direction:column;gap:8px;padding:14px 15px;display:flex;overflow-y:auto}.chordcard{background:var(--raised);border:1px solid var(--line-2);border-radius:var(--r-card);align-items:center;gap:16px;padding:15px 18px;display:flex}.chordcard.now{border:2px solid var(--ink);padding:14px 17px}.chordcard .cname{width:86px;font-family:var(--display);letter-spacing:-.025em;color:var(--ink-2);flex:none;font-size:22px;font-weight:600}.chordcard .croman{width:36px;font-family:var(--mono);color:var(--ink-5);flex:none;font-size:10.5px}.pcs-row{flex-wrap:wrap;flex:1;gap:6px;display:flex}.pc{background:var(--accent-pale-2);color:var(--accent-dark);border-radius:var(--r-sm);padding:3px 10px;font-size:15.5px;font-weight:600}.fingers-row{gap:6px;display:flex}.fingerchip{background:var(--softer);color:#6f7885;width:24px;height:24px;font-family:var(--mono);border-radius:50%;justify-content:center;align-items:center;font-size:12px;display:flex}.scoreview{height:var(--h-score);padding:16px 0;position:relative;overflow:hidden}.score-scroll{scrollbar-width:none;height:100%;overflow:auto hidden}.score-scroll::-webkit-scrollbar{display:none}.score-svg{width:max-content;height:100%}.score-svg svg{width:auto;max-width:none;height:100%;display:block}.score-playhead{background:var(--accent);pointer-events:none;z-index:1;width:2px;position:absolute;top:8px;bottom:8px}.score-svg .lit{color:var(--accent)}.fn-i{color:var(--fn-i)}.fn-II{color:var(--fn-II)}.fn-bII{color:var(--fn-bII)}.fn-III{color:var(--fn-III)}.fn-v{color:var(--fn-v)}.fn-bVII{color:var(--fn-bVII)}.empty{color:var(--ink-3);text-align:center;justify-content:center;align-items:center;min-height:160px;padding:20px;font-size:13px;display:flex}.app-top{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid}.app-top>.app-brand{grid-column:1;justify-self:start}.app-top>.transport{grid-column:2}.app-top>.btn-new{grid-column:3;justify-self:end}.btn-new{align-items:center;gap:6px;display:inline-flex}.btn-new .plus{color:var(--accent);font-weight:700}.app-brand{letter-spacing:-.02em;color:var(--ink);opacity:.75;align-items:center;gap:12px;margin:0;font-size:22px;font-weight:700;transition:opacity .15s;display:flex}.app-brand:hover{opacity:1}.transport{border-radius:var(--r-pill);background:var(--raised);border:1px solid var(--line-4);align-items:center;gap:3px;padding:5px 8px;display:flex;box-shadow:0 4px 16px #14161e17}.tr-step{width:32px;height:32px;color:var(--ink-2b);border-radius:50%;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.tr-step:hover{background:var(--softer);color:var(--ink)}.tr-play{background:var(--play-grad);border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;margin:0 2px;transition:transform .12s ease-out,box-shadow .15s ease-out,filter .15s;display:flex;box-shadow:0 3px 12px #2f89f761,inset 0 1px #ffffff59}.tr-play:hover{transform:translateY(-1px);box-shadow:0 6px 18px #2f89f773,inset 0 1px #ffffff59}.tr-play:active{transform:translateY(0)scale(.95)}.tr-play:disabled{filter:grayscale();opacity:.45;cursor:not-allowed}.tr-sep{background:var(--line-4);width:1px;height:22px;margin:0 6px}.tr-time{color:var(--ink-2b);white-space:nowrap;font-size:12.5px}.tr-time i{color:var(--ink-5);font-style:normal}.tstrip{align-items:center;gap:10px;display:flex}.tstrip-track{border-radius:var(--r-sm);background:var(--soft);flex:1;height:26px;position:relative;overflow:hidden}.tstrip-fill{background:linear-gradient(90deg,#2f89f714,#2f89f72b);transition:width .5s ease-out;position:absolute;top:0;bottom:0;left:0}.tstrip-canvas{width:100%;height:100%;position:absolute;inset:0}.tstrip-front{background:var(--accent);width:2px;transition:left .5s ease-out;animation:1.5s ease-in-out infinite tstrip-pulse;position:absolute;top:0;bottom:0;box-shadow:0 0 9px #2f89f7d9}@keyframes tstrip-pulse{50%{opacity:.4}}.tstrip-head{background:#18181b66;width:1px;position:absolute;top:0;bottom:0}.tstrip-legend{color:var(--ink-4);white-space:nowrap;text-align:right;min-width:118px;font-size:10.5px}.tstrip-legend i{color:var(--accent);font-style:normal}.instpicker{position:relative}.inst-current{border:1px solid var(--line-5);border-radius:var(--r-md);background:var(--raised);font:inherit;color:var(--ink-2);cursor:pointer;white-space:nowrap;align-items:center;gap:7px;padding:8px 12px;font-size:12.5px;font-weight:600;display:flex}.inst-current:hover{border-color:var(--accent);color:var(--accent)}.inst-load{background:var(--accent);border-radius:50%;width:7px;height:7px;animation:1s infinite instblink}@keyframes instblink{50%{opacity:.25}}.inst-drop{z-index:30;background:var(--raised);border:1px solid var(--line-5);border-radius:var(--r-zone);width:420px;max-height:min(58vh,460px);box-shadow:var(--sh-modal);padding:6px 0 0;position:absolute;bottom:calc(100% + 8px);left:0;overflow-y:auto}.inst-group{padding:8px 14px 10px}.inst-grouplabel{letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:7px;font-size:10.5px;font-weight:700;display:block}.inst-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.inst-opt{border:1px solid var(--line-3);border-radius:var(--r-md);background:var(--softer);font:inherit;color:var(--ink);text-align:left;cursor:pointer;justify-content:space-between;align-items:center;gap:8px;padding:8px 11px;font-size:12.5px;font-weight:600;transition:border-color .15s,background .15s;display:flex}.inst-opt:hover{border-color:var(--accent)}.inst-opt.on{border-color:var(--accent);background:var(--accent-pale);color:var(--accent-dark)}.inst-note{color:var(--muted);border-top:1px solid var(--line-3);padding:9px 15px;font-size:11px}.chordcell.hit{cursor:pointer}.chordcell.hit:hover .name{color:var(--accent)}.chordcard{cursor:pointer}.chordcard:hover{border-color:var(--accent)}.lyricpick{flex-direction:column;gap:6px;max-height:46vh;margin:-4px;padding:4px;display:flex;overflow-y:auto}.lyricpick-row{border-radius:var(--r-lg);border:1px solid var(--line-5);background:var(--card);text-align:left;gap:3px;padding:11px 13px;transition:border-color .15s,box-shadow .15s;display:grid}.lyricpick-row:hover{border-color:var(--line-6);box-shadow:0 3px 9px #14161e17}.lyricpick-id{align-items:baseline;gap:8px;min-width:0;display:flex}.lyricpick-id b{font-size:13.5px;font-weight:600}.lyricpick-id span{color:var(--ink-2);text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;overflow:hidden}.lyricpick-line{color:var(--ink-3);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-style:italic;overflow:hidden}.lyricpick-meta{color:var(--ink-4);gap:8px;font-size:11.5px;display:flex}.tracks{padding:14px 16px 12px}.tracks-empty{text-align:center;color:var(--ink-3);padding:28px 16px;font-size:13px}.tracks-grid{--lane-label:10.5rem;--lane-gap:12px;grid-template-columns:var(--lane-label) 1fr;align-items:stretch;gap:8px var(--lane-gap);display:grid;position:relative}.tracklane-head{align-items:center;gap:7px;min-width:0;display:flex}.tracklane-head.off{opacity:.45}.tracklane-dot{border-radius:50%;flex:none;width:9px;height:9px}.tracklane-name{color:var(--ink-2);white-space:nowrap;flex:none;font-size:13px}.tracklane-count{color:var(--ink-4);text-overflow:ellipsis;min-width:0;margin-left:auto;font-size:11px;overflow:hidden}.tracklane-head .ms-btn{cursor:pointer;border-radius:5px;flex:none;width:22px;height:20px;font-size:10px}.tracklane-head .ms-mute.on{background:var(--ms-mute);color:#fff}.tracklane-head .ms-solo.on{background:var(--ms-solo);color:#fff}.tracklane-head .ms-btn:disabled{opacity:.35;cursor:default}.tracklane-roll{background:var(--wave-bg);cursor:pointer;border-radius:6px;height:54px;position:relative;overflow:hidden}.tracklane-roll.off{opacity:.3}.tracklane-roll svg{width:100%;height:100%;display:block}.tracklane-empty{color:var(--ink-5);justify-content:center;align-items:center;font-size:11.5px;display:flex;position:absolute;inset:0}.tracks-head{top:0;bottom:0;left:calc(var(--lane-label) + var(--lane-gap));pointer-events:none;position:absolute;right:0}.tracks-head>span{background:var(--accent);will-change:transform;border-radius:1px;width:2px;margin-left:-1px;position:absolute;top:0;bottom:0;left:0}.tracks-note{color:var(--ink-4);text-align:center;margin:12px 0 0;font-size:11.5px}.mic-start{width:fit-content;max-width:100%;font:inherit;font-family:var(--font-mono);color:var(--muted);border:1.5px dashed var(--b14);cursor:pointer;text-align:left;background:0 0;border-radius:12px;align-items:center;gap:9px;margin:10px auto 0;padding:10px 18px;font-size:12px;transition:border-color .2s,color .2s;display:flex}.mic-start:hover:not(:disabled){border-color:var(--warn-ink);color:var(--warn-ink)}.mic-start:disabled{opacity:.5;cursor:default}.mic-dot{background:var(--warn-ink);border-radius:50%;flex:none;width:9px;height:9px}.mic-live{background:var(--surface);border:1px solid var(--b14);border-radius:14px;align-items:center;gap:12px;width:min(440px,100%);margin:10px auto 0;padding:10px 12px;display:flex}.mic-rec{background:#c0392b;border-radius:50%;flex:none;width:10px;height:10px;animation:1.4s ease-in-out infinite mic-pulse}@keyframes mic-pulse{50%{opacity:.25}}.mic-time{font-variant-numeric:tabular-nums;flex:none;font-size:14px}.mic-vu{background:var(--b08);border-radius:3px;flex:1;min-width:40px;height:6px;overflow:hidden}.mic-vu i{background:var(--accent);border-radius:3px;height:100%;transition:width .1s linear;display:block}.mic-stop{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:10px;flex:none;padding:9px 14px;font-size:13px;font-weight:700}.mic-cancel{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;flex:none;padding:4px 6px;font-size:15px}.mic-cancel:hover{color:var(--ink)}@media (width<=860px){.page{padding:10px}.card-page{gap:10px;padding:11px}.app-top{grid-template-columns:1fr auto;row-gap:10px}.app-top>.app-brand{grid-area:1/1}.app-top>.btn-new{grid-area:1/2}.app-top>.transport{grid-area:2/1/auto/-1;justify-content:center;justify-self:stretch}.header{flex-direction:column}.song-col,.video-col{width:auto}.video-col>.video-frame{aspect-ratio:16/9;min-height:0}.displaybar,.loop-row{flex-wrap:wrap}.actions{grid-template-columns:1fr}.sound-controls,.export-actions{flex-wrap:wrap;grid-column:1;justify-content:center}.fader{flex:1;min-width:0}.overlay{align-items:center;padding-top:40px}}@media (width<=560px){:root{--h-highway:132px;--h-keys:104px;--h-blackkey:64px;--h-chordband:54px;--h-wave:62px;--h-score:210px;--kb-inset:10px}.page{padding:6px}.card-page{gap:9px;padding:9px}.btn-new .btn-new-label{display:none}.transport{gap:1px;padding:4px 6px}.rate-picker>span{display:none}.song-col{gap:10px}.cover{width:68px;height:68px}.mode-switch{scrollbar-width:none;overflow-x:auto}.mode-switch::-webkit-scrollbar{display:none}.mode-switch .mode-pill{flex:none}.fader{flex-basis:100%}.chordcard{flex-wrap:wrap;gap:6px 10px;padding:11px 12px}.chordcard.now{padding:10px 11px}.chordcard .cname{width:auto;min-width:58px;font-size:19px}.chordcard .croman{width:auto}.chordcard .pcs-row,.chordcard .fingers-row{flex:none}.wkey .name{font-size:8.5px}.mode-switch .mode-pill{min-height:36px}.rate-picker select{min-height:34px}.seg>button{min-height:34px;padding-left:11px;padding-right:11px}.displaybar>.label{display:none}}.onboard{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:26px;min-height:100vh;padding:24px;display:flex;position:relative;overflow:hidden}.onboard.dragover{outline:3px dashed var(--accent);outline-offset:-12px}.ob-dots{z-index:0;pointer-events:none;position:fixed;inset:0}.onboard>:not(.ob-dots){z-index:1;position:relative}.ob-brand{justify-content:center;align-items:center;gap:12px;animation:.7s cubic-bezier(.2,.8,.2,1) both ob-drop;display:flex;position:absolute;top:26px;left:0;right:0}.ob-brand span{letter-spacing:-.02em;font-size:24px;font-weight:800}.ob-title{letter-spacing:-.04em;text-align:center;margin:0;font-size:clamp(38px,6vw,64px);font-weight:800;line-height:1.04;animation:.7s cubic-bezier(.2,.8,.2,1) 50ms both ob-drop}.ob-title em{background:linear-gradient(90deg,#e0a13c,#e05a4e,#6c5ce0,#22a699);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}.ob-sub{color:var(--dim);text-align:center;max-width:540px;margin:0;font-size:16.5px;line-height:1.55;animation:.7s cubic-bezier(.2,.8,.2,1) .12s both ob-drop}.ob-search{width:min(640px,92vw);animation:.7s cubic-bezier(.2,.8,.2,1) .2s both ob-drop}.ob-box{background:var(--surface);border:1px solid var(--b10);border-radius:16px;align-items:center;gap:12px;padding:8px 8px 8px 20px;transition:border-color .2s,box-shadow .2s;display:flex;box-shadow:0 20px 60px -18px #1414192e}.ob-box:focus-within{border-color:var(--accent);box-shadow:0 20px 60px -14px #2b59ff40}.ob-box input{font:inherit;background:0 0;border:0;outline:0;flex:1;padding:10px 0;font-size:16.5px}.ob-go{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:11px;padding:12px 22px;font-size:15px;font-weight:700;transition:transform .15s}.ob-go:hover{transform:scale(1.04)}.ob-go:disabled{opacity:.5;cursor:default;transform:none}.ob-icon{border:1px solid var(--b14);width:40px;height:40px;color:var(--muted);cursor:pointer;background:0 0;border-radius:11px;flex:none;justify-content:center;align-items:center;padding:0;transition:border-color .2s,color .2s;display:flex}.ob-icon:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.ob-icon:disabled{opacity:.5;cursor:default}.ob-icon.rec:hover:not(:disabled),.ob-icon.rec.on,.ob-icon.rec.err{border-color:#c0392b}.ob-icon .mic-dot{background:#c0392b;width:12px;height:12px}.ob-icon.rec.on .mic-dot,.mic-square{background:#c0392b;border-radius:2px;flex:none;width:11px;height:11px}.ob-reclive{flex:none;align-items:center;gap:8px;display:flex}.ob-reclive .mic-time{color:#c0392b}.ob-results{background:var(--surface);border:1px solid var(--b10);border-radius:14px;margin-top:10px;animation:.3s cubic-bezier(.2,.8,.2,1) both ob-drop;overflow:hidden;box-shadow:0 16px 44px -16px #14141933}.ob-searching{color:var(--muted);padding:14px 18px;font-size:13.5px}.ob-result{width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;padding:9px 14px;display:flex}.ob-result:hover{background:#f3f2ee}.ob-result img{object-fit:cover;border-radius:7px;width:64px;height:36px}.ob-result-meta{flex-direction:column;min-width:0;display:flex}.ob-result-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.ob-result-sub{color:var(--muted);font-size:12px}.ob-err{color:#c0392b;text-align:center;margin-top:10px;font-size:13px}.ob-drop{width:fit-content;font-family:var(--font-mono);color:var(--muted);border:1.5px dashed var(--b14);cursor:pointer;border-radius:12px;margin:14px auto 0;padding:10px 18px;font-size:12px;transition:border-color .2s,color .2s;display:block}.ob-drop:hover{border-color:var(--accent);color:var(--accent)}.ob-drop.off{opacity:.6;cursor:default}.ob-drop.off:hover{border-color:var(--b14);color:var(--muted)}.ob-progress{color:var(--dim);background:var(--surface);border:1px solid var(--b08);border-radius:12px;align-items:center;gap:10px;padding:12px 18px;font-size:13.5px;display:flex}.ob-backend{color:var(--muted);white-space:nowrap;margin-left:auto;font-size:11.5px}.ob-backend.cpu{color:var(--warn-ink)}.ob-bar{background:var(--b08);border-radius:3px;width:160px;height:5px;overflow:hidden}.ob-bar div{background:var(--accent);border-radius:3px;height:100%;transition:width .3s}.ob-recent{width:min(640px,92vw);animation:.7s cubic-bezier(.2,.8,.2,1) .3s both ob-drop}.ob-recent-head{color:var(--dim);align-items:baseline;gap:8px;padding:0 4px 8px;font-size:12.5px;font-weight:700;display:flex}.ob-recent-head small{color:var(--muted);font-size:11.5px;font-weight:400}.ob-list{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--b08);background:#ffffffc7;border-radius:14px;max-height:236px;overflow:hidden auto;box-shadow:0 16px 44px -20px #1414192e}.ob-row{align-items:center;display:flex}.ob-row+.ob-row{border-top:1px solid var(--b06,#1414190f)}.ob-row-main{min-width:0;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex:1;align-items:center;gap:12px;padding:9px 6px 9px 10px;transition:background .15s;display:flex}.ob-row-main:hover{background:#2b59ff0f}.ob-row-main:disabled{opacity:.5;cursor:default}.ob-row-meta{flex-direction:column;flex:1;min-width:0;display:flex}.ob-row-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.ob-row-sub{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.ob-row-num{color:var(--muted);text-align:right;flex:none;min-width:34px;font-size:11.5px}.ob-row-del{color:var(--faint);cursor:pointer;background:0 0;border:0;flex:none;padding:10px 12px;font-size:17px;line-height:1}.ob-row-del:hover{color:#c0392b}.ob-cover{color:#fff;background:linear-gradient(135deg,#6c5ce0,#22a699);border-radius:8px;flex:none;place-items:center;width:34px;height:34px;display:grid;overflow:hidden}.ob-cover img{object-fit:cover;width:100%;height:100%}.ob-cover.demo{background:linear-gradient(135deg,#e0a13c,#e05a4e)}.onboard>.ob-brand{position:absolute}.ob-model{justify-content:center;margin-top:10px;display:flex}@keyframes ob-drop{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.spinner{border:2px solid var(--accent);border-top-color:#0000;border-radius:50%;flex:none;width:13px;height:13px;animation:.8s linear infinite ob-spin}@keyframes ob-spin{to{transform:rotate(360deg)}}.modelpicker{position:relative}.mp-current{border:1px solid var(--b12);background:var(--surface);font:inherit;color:var(--dim);cursor:pointer;border-radius:10px;align-items:center;gap:7px;padding:8px 12px;font-size:12.5px;font-weight:600;display:flex}.mp-drop{background:var(--surface);border:1px solid var(--b10);z-index:30;border-radius:14px;width:min(340px,100vw - 24px);position:absolute;bottom:calc(100% + 8px);left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 18px 50px -16px #14141940}.modelpicker.compact .mp-drop{top:calc(100% + 8px);bottom:auto}.mp-opt{text-align:left;width:100%;font:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;gap:3px;padding:11px 15px;display:flex}.mp-opt:hover{background:#f3f2ee}.mp-opt.on{background:#eef2ff}.mp-opt.soon{opacity:.55;cursor:default}.mp-name{align-items:baseline;gap:8px;font-size:13.5px;font-weight:700;display:flex}.mp-name em{color:var(--accent);border:1px solid #2b59ff4d;border-radius:6px;padding:1px 6px;font-size:10.5px;font-style:normal;font-weight:600}.mp-detail{color:var(--muted);font-size:11.5px;line-height:1.4}.mp-note{color:var(--muted);border-top:1px solid var(--b08);padding:9px 15px;font-size:11px}.ob-cache{color:var(--muted);text-align:left;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 4px 0;font-size:12px;display:flex}.ob-cache>span{flex:1}.ob-cache small{color:var(--faint);flex-basis:100%;order:3;font-size:11.5px;line-height:1.45}.ob-cache button{flex:none}.ob-cache button:disabled{opacity:.45;cursor:default}