@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/fonts/source-serif-4/SourceSerif4-latin.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg:#f2f4f7;--surface:#fff;--surface-2:#edf0f4;--line:#e1e6ec;--line-strong:#cbd3dd;--ink:#141a22;--ink-2:#444e5c;--muted:#8590a0;--accent:#0aa5c8;--accent-soft:#e4f6fa;--accent-bright:#5fd3ec;--navy:#0a0e14;--radius:10px;--shadow-sm:0 1px 2px #0f17230f;--shadow:0 1px 2px #0f17230d, 0 6px 20px #0f172314;--font:-apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:13px/1.4 var(--font);letter-spacing:-.005em;-webkit-font-smoothing:antialiased}button,select,input{font:inherit;color:inherit}button{border:1px solid var(--line);background:var(--surface);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:6px;height:32px;padding:0 12px;font-weight:500;transition:background .15s,border-color .15s,color .15s,box-shadow .15s;display:inline-flex}button:hover:not(:disabled){background:var(--surface-2)}button:disabled{opacity:.4;cursor:default}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.primary{background:var(--ink);border-color:var(--ink);color:#fff}button.primary:hover:not(:disabled){background:#000}button.ghost{color:var(--ink-2);background:0 0;border-color:#0000}button.ghost:hover:not(:disabled){background:var(--surface-2)}.icon-button{width:32px;color:var(--ink-2);background:0 0;border-color:#0000;padding:0}.icon-button.on{background:var(--accent-soft);color:var(--accent)}.icon-button.on:hover:not(:disabled){background:#d8eafa}select{border:1px solid var(--line);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%238a8a8f' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center;appearance:none;cursor:pointer;border-radius:8px;max-width:220px;height:32px;padding:0 28px 0 10px;font-weight:500}.app{--bg:#0d0e11;--surface:#1b1d22;--surface-2:#24272d;--line:#ffffff14;--line-strong:#ffffff29;--ink:#eef0f3;--ink-2:#b6bcc5;--muted:#7c848f;--accent-soft:#0aa5c829;--glass:#131418bd;--glass-line:#ffffff17;--tab-bg:#111215;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;background:var(--bg);height:100%;color:var(--ink);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;grid-template-rows:54px minmax(0,1fr) 168px auto;grid-template-columns:minmax(0,1fr);display:grid}.f1{--finger:#5f9cf5}.f2{--finger:#34c77b}.f3{--finger:#f5a623}.f4{--finger:#ef5da8}.app button{border-color:var(--line);background:var(--surface)}.app button:hover:not(:disabled){background:var(--surface-2)}.app select{border-color:var(--line);background-color:#ffffff0d}.app select:hover{background-color:#ffffff17}.app .icon-button,.app button.ghost{color:var(--ink-2);background:0 0;border-color:#0000}.app .icon-button:hover:not(:disabled),.app button.ghost:hover:not(:disabled){color:var(--ink);background:#ffffff12}.app .icon-button.on{background:var(--accent-soft);color:var(--accent-bright)}.app .icon-button.on:hover:not(:disabled){background:#0aa5c83d}.segmented{border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:12px;gap:2px;padding:4px;display:inline-flex}.app .segmented button{height:32px;color:var(--ink-2);background:0 0;border:0;border-radius:8px;padding:0 14px;font-size:14px}.app .segmented button:hover:not(:disabled){color:var(--ink);background:#ffffff0f}.app .segmented button.on{color:#0d0e11;background:#eceef1;box-shadow:0 1px 3px #0000004d}.app .segmented.icons button{min-width:44px;padding:0 11px}.view-icon{align-items:center;gap:2px;display:inline-flex}.view-letter{font:700 12px/1 var(--font);letter-spacing:0}.tag{color:var(--ink-2);white-space:nowrap;background:#ffffff14;border-radius:999px;padding:2px 8px;font-size:11.5px;font-weight:500}.muted{color:var(--muted)}.topbar{border-bottom:1px solid var(--line);background:#0a0b0d;align-items:center;gap:16px;padding:0 16px;display:flex}.app .topbar button.brand{color:var(--ink);background:0 0;border-color:#0000}.app .topbar button.primary{border-color:var(--accent-bright);background:var(--accent-bright);color:#07111c}.app .topbar button.primary:hover:not(:disabled){background:#94e2f3}.brand{letter-spacing:-.01em;align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.topbar-actions{flex:none;justify-content:flex-end;align-items:center;gap:6px;display:flex}.stage{background:radial-gradient(110% 85% at 58% 42%,#1f2126 0%,#15161a 48%,#0c0d0f 100%);position:relative;overflow:hidden}.stage canvas{display:block}.overlay{pointer-events:none;align-items:center;gap:10px;display:flex;position:absolute}.overlay>*{pointer-events:auto}.top-right{flex-direction:column;align-items:flex-end;top:16px;right:16px}.bottom-left{bottom:16px;left:16px}.bottom-right{bottom:16px;right:16px}.song-head{border-left:1px solid var(--line);white-space:nowrap;flex:auto;align-items:baseline;gap:12px;min-width:0;padding-left:16px;display:flex}.song-title{color:#f5f6f8;max-width:60%;font:italic 400 22px/1.15 var(--serif);letter-spacing:-.005em;text-overflow:ellipsis;flex:none;margin:0;overflow:hidden}.song-title.loading{color:var(--muted);font-size:17px}.song-artist{min-width:0;color:var(--ink-2);text-overflow:ellipsis;flex:0 auto;font-size:13px;overflow:hidden}.song-head .tag{flex:none;align-self:center}.now-line{white-space:nowrap;flex:none;align-items:baseline;gap:12px;padding:0 4px;display:flex}.now-section{color:var(--ink);font:italic 400 19px/1.15 var(--serif)}.now-bar{color:var(--muted);font:500 11.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;font-variant-numeric:tabular-nums}.view-row{align-items:center;gap:8px;display:flex}.stage-settings{position:relative}.app .stage-settings .settings-button{border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);width:42px;height:42px;color:var(--ink-2);border-radius:12px}.app .stage-settings .settings-button:hover:not(:disabled),.app .stage-settings .settings-button.on{color:var(--ink);background:#202227e6}.stage-settings .settings-menu{top:50px}.status-pill{border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);height:32px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:999px;align-items:center;gap:9px;padding:0 14px;font-size:13px;font-weight:500;display:inline-flex}.status-dot{background:#f5a623;border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite status-pulse}@keyframes status-pulse{50%{opacity:.35}}.app .pill{border:1px solid var(--glass-line);height:32px;color:var(--ink-2);background:#ffffff0d;border-radius:9px;gap:8px;padding:0 12px}.app .pill:hover:not(:disabled){color:var(--ink);background:#ffffff1a}.app .pill.on{color:#0d0e11;background:#eceef1}.control{align-items:center;gap:8px;display:flex}.overlay-label{color:var(--muted);font-size:12px;font-weight:500}.legend{border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--ink-2);border-radius:999px;align-items:center;gap:10px;margin:0;padding:6px 12px;font-size:12px;font-weight:500;list-style:none;display:flex}.legend li{align-items:center;gap:4px;display:flex}.legend-dot{background:var(--string-color);border-radius:50%;width:8px;height:8px}.notice{border:1px solid var(--line-strong);max-width:min(560px,100% - 32px);color:var(--ink);background:#23262c;border-radius:12px;align-items:center;gap:8px;padding:8px 8px 8px 14px;display:flex;position:absolute;bottom:72px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #0006}.app .notice .icon-button{width:26px;height:26px;color:var(--ink-2)}.drop-overlay{border:1.5px dashed var(--accent-bright);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:var(--ink);pointer-events:none;background:#0c0d0fdb;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:6px;font-size:16px;font-weight:600;display:flex;position:absolute;inset:16px}.drop-overlay svg{width:28px;height:28px;color:var(--accent-bright)}.drop-overlay small{color:var(--muted);font-size:12px;font-weight:400}.transport{border-top:1px solid var(--line);background:#0b0c0e;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);grid-template-areas:"timeline timeline timeline""left center right";align-items:center;column-gap:28px;padding:2px 18px 10px;display:grid}.transport-center{grid-area:center;gap:14px}.app .transport-center .icon-button{color:#a3a9b1;background:0 0;width:34px;height:34px}.app .transport-center .icon-button:hover:not(:disabled){color:#fff;background:0 0}.transport-center .icon-button svg{width:20px;height:20px}.transport-center .step svg{width:25px;height:25px}.app .transport .icon-button.on,.app .transport .icon-button.on:hover:not(:disabled){color:var(--accent-bright);background:0 0;position:relative}.app .transport .icon-button.on:after{content:"";background:currentColor;border-radius:50%;width:4px;height:4px;margin-left:-2px;position:absolute;bottom:0;left:50%}.transport-left{grid-area:left;justify-self:end}.transport-right{grid-area:right;justify-self:start}.transport-group{align-items:center;gap:4px;display:flex}.app button.play{color:#000;background:#fff;border:0;border-radius:50%;width:42px;height:42px;margin:0 4px;padding:0;transition:transform .12s}.app button.play:hover:not(:disabled){background:#fff;transform:scale(1.06)}.app button.play:active:not(:disabled){transform:scale(.96)}button.play svg{width:22px;height:22px;display:block}.timeline{grid-area:timeline;align-items:center;gap:14px;min-width:0;display:flex}.time{min-width:34px;color:var(--ink-2);font:500 12.5px/1 var(--mono);font-variant-numeric:tabular-nums}.time.muted{color:var(--muted);text-align:right}.progress{cursor:pointer;touch-action:none;flex:1;height:44px;position:relative}.progress-track{background:#ffffff1a;border-radius:2px;height:3px;margin-top:-1.5px;position:absolute;top:50%;left:0;right:0;overflow:hidden}.progress.with-sections .progress-track{margin-top:0;top:auto;bottom:6px}.progress:hover .progress-track{background:#ffffff24}.progress-fill{background:var(--accent);transform-origin:0;height:100%;transform:scaleX(0)}.progress-head{background:var(--accent-bright);pointer-events:none;border-radius:1px;width:2px;margin-left:-1px;position:absolute;top:14px;bottom:14px;box-shadow:0 0 8px #5fd3ec8c}.progress.with-sections .progress-head{top:3px;bottom:3px}.ruler-section{pointer-events:none;border-left:1px solid #ffffff29;align-items:center;padding-left:9px;transition:background .2s;display:flex;position:absolute;top:2px;bottom:13px;overflow:hidden}.ruler-section.current{background:linear-gradient(#ffffff0d,#fff0)}.ruler-name{color:var(--muted);font:italic 400 15px/1.1 var(--serif);text-overflow:ellipsis;white-space:nowrap;pointer-events:auto;transition:color .15s;overflow:hidden}.ruler-name:hover,.ruler-section.current .ruler-name{color:var(--ink)}.ruler-section.narrow .ruler-name{opacity:0}.progress-loop{pointer-events:none;background:#0aa5c829;border-radius:6px;position:absolute;top:2px;bottom:2px;box-shadow:inset 0 0 0 1px #5fd3ec80}.progress-loop.draft{background:#0aa5c83d}.loop-handle{cursor:ew-resize;pointer-events:auto;width:12px;margin-left:-6px;position:absolute;top:-2px;bottom:-2px}.loop-handle:before{content:"";background:var(--accent-bright);border-radius:2px;width:4px;position:absolute;top:0;bottom:0;left:4px}.loop-start{left:0}.loop-end{left:100%}.progress-hover{pointer-events:none;background:#0aa5c81f;border-radius:4px;position:absolute;top:2px;bottom:2px}.loop-tip{z-index:30;color:#0d0e11;font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;background:#eceef1;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:600;line-height:1.2;transform:translate(-50%,calc(-100% - 8px))}.progress .loop-tip{position:absolute;top:2px}.tab-loop-tip{position:fixed;transform:translate(-50%,10px)}.loop-tip-hint{color:#0d0e118c;margin-left:6px;font-weight:500}.speed{align-items:center;gap:8px;display:flex}.speed-label{color:var(--muted);font-size:12px}.speed input{appearance:none;cursor:pointer;background:#ffffff1f;border-radius:2px;width:110px;height:4px}.speed input::-webkit-slider-thumb{appearance:none;background:#eceef1;border-radius:50%;width:16px;height:16px;box-shadow:0 1px 4px #00000080}.speed input::-moz-range-thumb{background:#eceef1;border:0;border-radius:50%;width:16px;height:16px;box-shadow:0 1px 4px #00000080}.app .speed-value{width:50px;height:26px;color:var(--ink);font:500 12px/1 var(--mono);font-variant-numeric:tabular-nums;background:#ffffff0f;border-color:#0000;padding:0}.app select.sound{background-color:#ffffff0f;border-color:#0000;max-width:150px}select.sound.loading{color:var(--muted)}.divider{background:var(--line);width:1px;height:20px;margin:0 8px}.tab-area{min-height:0;display:grid;position:relative}.tab-settings{z-index:6;position:absolute;top:8px;right:10px}.app .tab-settings .settings-button{width:28px;height:28px;color:var(--muted);opacity:.7;border-radius:7px}.app .tab-settings .settings-button:hover:not(:disabled),.app .tab-settings .settings-button.on{color:var(--ink);opacity:1;background:#ffffff12}.settings-menu{z-index:6;border:1px solid var(--glass-line);background:#181a1ef7;border-radius:12px;width:236px;padding:8px;position:absolute;top:34px;right:0;box-shadow:0 12px 32px #00000073}.settings-title{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin:2px 6px 6px;font-size:11px;font-weight:600}.settings-row{color:var(--ink);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:7px 6px;font-size:13px;display:flex}.settings-row:hover{background:#ffffff0d}.settings-row input{width:15px;height:15px;accent-color:var(--accent);cursor:pointer;margin:0}.settings-sample{color:var(--ink-2);font:13px/1 var(--font);margin-left:auto}.settings-sample sup{color:var(--finger);font:700 9px/1 var(--font)}.settings-sample sub{color:#8a929d;font:italic 500 11px/1 var(--serif)}.settings-sample .finger-dot{background:var(--finger);color:#fff;width:16px;height:16px;font:700 10px/1 var(--font);border-radius:50%;place-items:center;display:inline-grid}.settings-sample .target-ring{opacity:.8;border:1.5px solid #22c55e;border-radius:50%;width:14px;height:14px;display:block}.tab-panel{background:var(--tab-bg);border-top:1px solid var(--line);scrollbar-width:thin;scrollbar-color:#ffffff29 transparent;-webkit-user-select:none;user-select:none;min-height:0;position:relative;overflow:auto hidden}.at-cursor-bar{background:#0aa5c80f}.at-cursor-beat{background:var(--accent-bright);width:2px;box-shadow:0 0 8px #5fd3ec80}.at-selection{display:none}.at-highlight *{fill:var(--accent-bright);stroke:var(--accent-bright)}.tab-fingers{z-index:1;pointer-events:none;position:absolute;top:0;left:0}.tf-left,.tf-right{white-space:nowrap;position:absolute}.tf-left{color:var(--finger);font:700 8.5px/1 var(--font);transform:translate(1px,-3px)}.tf-right{color:#8a929d;font:italic 500 10px/1 var(--serif);transform:translate(1px,-6px)}.tf-right.shifted{transform:translate(7px,-6px)}.tab-loop-layer{z-index:2;pointer-events:none;position:absolute;top:0;left:0}.tab-bar-hover,.tab-loop{position:absolute}.tab-bar-hover{background:#0aa5c80f}.tab-loop{box-shadow:inset 0 3px 0 var(--accent);background:#0aa5c81f}.tab-loop.draft{background:#0aa5c82e}.tab-loop.settling{transition:left .18s cubic-bezier(.2,.8,.2,1),width .18s cubic-bezier(.2,.8,.2,1)}.tab-loop-snap{outline-offset:-1.5px;background:#0aa5c80d;outline:1.5px dashed #5fd3ec8c;position:absolute}.tab-loop-handle{cursor:ew-resize;pointer-events:auto;touch-action:none;width:14px;margin-left:-7px;position:absolute;top:0;bottom:0}.tab-loop-handle:before{content:"";background:var(--accent);width:2px;position:absolute;top:0;bottom:0;left:6px}.tab-loop-handle:after{content:"";background:var(--accent-bright);width:6px;height:24px;box-shadow:0 0 0 2px var(--tab-bg);border-radius:3px;margin-top:-12px;position:absolute;top:50%;left:4px}.tab-loop-start{left:0}.tab-loop-end{left:100%}.app .tab-loop-close{background:var(--accent);color:#fff;cursor:pointer;pointer-events:auto;border:0;border-radius:50%;place-items:center;width:18px;height:18px;padding:0;font:600 13px/1 system-ui,sans-serif;display:grid;position:absolute;top:8px;right:10px}.app .tab-loop-close:hover:not(:disabled){background:#13b5da}.tab-loop.draft .tab-loop-close{display:none}.tab-drawing,.tab-drawing *{cursor:ew-resize!important}.bottom-right{flex-direction:column;align-items:flex-end;gap:8px;max-width:calc(100% - 300px)}.control-row{border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:12px;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;padding:4px 4px 4px 12px;display:flex}.control-row .segmented{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;padding:0}.app .control-row .segmented button{height:28px;padding:0 10px;font-size:12.5px}.stage-unavailable{max-width:460px;color:var(--muted);text-align:center;place-content:center;gap:8px;margin:auto;padding:24px;font-size:14px;line-height:1.5;display:grid;position:absolute;inset:0}.stage-unavailable strong{color:var(--ink);font-size:16px;font-weight:600}.stage-unavailable code{background:var(--surface-2);color:var(--ink);border-radius:4px;padding:1px 5px;font:12.5px ui-monospace,SF Mono,Menlo,monospace}.stage-loading{color:var(--muted);justify-content:center;align-items:center;font-size:13px;display:flex;position:absolute;inset:0}.finger-pick{border:1px solid var(--glass-line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);max-width:calc(100% - 32px);color:var(--ink-2);z-index:5;background:#181a1ef0;border-radius:12px;align-items:center;gap:6px;padding:6px 6px 6px 14px;font-size:13px;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #0006}.finger-pick span{white-space:nowrap;margin-right:4px}.app .finger-pick .pill{justify-content:center;min-width:32px}.app .finger-pick .finger-choice{box-shadow:inset 0 -2px 0 var(--finger-color)}.app .finger-pick .finger-choice.on{background:var(--finger-color);color:#fff}.finger-pick .pill:disabled{opacity:.4}button.brand{color:inherit;justify-self:start;margin-left:-8px;padding:0 8px;font-size:14px;font-weight:600}.loader{z-index:40;color:#8a919b;background:#141518;place-content:center;justify-items:center;gap:18px;font:500 13px/1.4 -apple-system,BlinkMacSystemFont,SF Pro Text,Inter,Helvetica Neue,system-ui,sans-serif;transition:opacity .45s,visibility .45s;display:grid;position:fixed;inset:0}.loader.done{visibility:hidden;opacity:0;pointer-events:none}.loader-logo{animation:2.4s ease-in-out infinite 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