:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f4f2ed;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--app-bg:#11131a;--app-glow:#5e4eb226;--ink:#f4f2ed;--muted:#9699a5;--subtle:#6c707d;--line:#f4f2ed1f;--panel:#191c25;--paper:#1b1f29;--paper-ink:#eef1f0;--paper-muted:#a0a6b1;--paper-empty:#737b88;--paper-control-bg:#eef1f00f;--paper-control-line:#eef1f024;--accent:#a79cff;--accent-rgb:167, 156, 255;--accent-ink:#171526;--purple:#a79cff;--danger:#ff8d83;--cursor-bar:#7770b724;--cursor-beat:#6b5bdf;--player-bar:#151922;--paper-line:#eef1f01f;--progress-track:#353b48;--progress-fill:#968cff;--error-bg:#302023;--error-line:#ff8d8352;--error-ink:#ffb0a8;--empty-staff:#737b88;--shadow:#0003;background:#11131a;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-bg:#f1f3f1;--app-glow:#705bcb21;--ink:#1d2029;--muted:#5d626d;--subtle:#777d88;--line:#1d202924;--panel:#fff;--paper:#f7f5f0;--paper-ink:#1d2029;--paper-muted:#888681;--paper-empty:#8b8984;--paper-control-bg:#1d202909;--paper-control-line:#1d20291f;--cursor-bar:#7770b71f;--cursor-beat:#5b4dc1;--player-bar:#eeece7;--paper-line:#e1ded8;--accent:#5b4dc1;--accent-rgb:91, 77, 193;--accent-ink:#fff;--progress-track:#d5d1ca;--progress-fill:#7770b7;--error-bg:#fff0ee;--error-line:#cb483f40;--error-ink:#a0362e;--empty-staff:#b9b5ad;--shadow:#272c3624}@media (prefers-color-scheme:light){:root[data-theme=system]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-bg:#f1f3f1;--app-glow:#705bcb21;--ink:#1d2029;--muted:#5d626d;--subtle:#777d88;--line:#1d202924;--panel:#fff;--paper:#f7f5f0;--paper-ink:#1d2029;--paper-muted:#888681;--paper-empty:#8b8984;--paper-control-bg:#1d202909;--paper-control-line:#1d20291f;--cursor-bar:#7770b71f;--cursor-beat:#5b4dc1;--player-bar:#eeece7;--paper-line:#e1ded8;--accent:#5b4dc1;--accent-rgb:91, 77, 193;--accent-ink:#fff;--progress-track:#d5d1ca;--progress-fill:#7770b7;--error-bg:#fff0ee;--error-line:#cb483f40;--error-ink:#a0362e;--empty-staff:#b9b5ad;--shadow:#272c3624}}*{box-sizing:border-box}[hidden]{display:none!important}body{background:var(--app-bg);min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}button:focus-visible,label:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.app-shell{background:radial-gradient(circle at 78% 0%, var(--app-glow), transparent 27rem), var(--app-bg);min-height:100svh}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:74px;padding:0 clamp(24px,5vw,76px);display:flex}.brand{color:var(--ink);letter-spacing:-.35px;align-items:center;gap:11px;font-size:17px;font-weight:700;text-decoration:none;display:inline-flex}.brand-mark{background:var(--accent);border-radius:50%;justify-content:center;align-items:center;gap:2px;width:25px;height:25px;display:flex}.brand-mark span{background:var(--accent-ink);border-radius:2px;width:2px;height:11px;display:block;transform:rotate(-19deg)}.brand-mark span:nth-child(2){height:16px}.brand-mark span:nth-child(3){height:8px}.topbar-actions,.topbar-meta{align-items:center;display:flex}.topbar-actions{gap:18px}.topbar-meta{gap:20px}.eyebrow,.section-kicker,.file-type,.upload-formats,.footer-note,.status-pill{letter-spacing:.14em;text-transform:uppercase;font-size:11px;font-weight:700;line-height:1.1}.eyebrow{color:var(--subtle)}.status-pill{color:var(--muted);letter-spacing:.05em;text-transform:none;align-items:center;gap:7px;font-weight:500;display:flex}.status-dot,.state-dot{background:var(--accent);width:7px;height:7px;box-shadow:0 0 0 4px rgba(var(--accent-rgb), .12);border-radius:50%;display:inline-block}.theme-switcher{border:1px solid var(--line);background:#ffffff0a;border-radius:8px;align-items:center;gap:2px;padding:3px;display:inline-flex}.theme-option{min-height:27px;color:var(--subtle);background:0 0;border:0;border-radius:5px;justify-content:center;align-items:center;gap:5px;padding:4px 7px;font-size:11px;font-weight:600;display:inline-flex}.theme-option:hover{color:var(--ink);background:#ffffff12}.theme-option.is-selected{color:var(--accent-ink);background:var(--accent)}.theme-icon{font-size:14px;line-height:1}.workspace{width:min(1240px,100% - 48px);margin:0 auto;padding:clamp(30px,4vw,56px) 0 30px}.intro-row{justify-content:space-between;align-items:end;gap:40px;margin-bottom:46px;display:flex}.section-kicker{color:var(--purple);margin:0 0 15px}h1,h2,p{margin-top:0}h1{max-width:600px;color:var(--ink);letter-spacing:-.06em;margin-bottom:14px;font-size:clamp(28px,3.5vw,40px);font-weight:500;line-height:1}h2{color:var(--ink);letter-spacing:-.025em;margin:0;font-size:20px;font-weight:600;line-height:1.1}.intro-copy{max-width:510px;color:var(--muted);margin-bottom:0;font-size:17px;line-height:1.55}.shortcut-note{color:var(--subtle);white-space:nowrap;align-items:center;gap:10px;padding-bottom:3px;font-size:13px;display:flex}.shortcut-key{color:var(--ink);border:1px solid var(--line);letter-spacing:.1em;background:#ffffff0a;border-bottom-color:#f4f2ed4d;border-radius:5px;padding:7px 9px;font-size:10px;font-weight:700}.studio-grid{border:1px solid var(--line);height:clamp(560px,100svh - 230px,740px);min-height:0;box-shadow:0 24px 80px var(--shadow);border-radius:15px;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(260px,.33fr) minmax(0,.67fr);transition:grid-template-columns .25s;display:grid;overflow:hidden}.studio-grid.is-sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.control-panel{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;min-width:0;min-height:0;padding:31px;transition:opacity .18s,padding .25s;display:flex;overflow:hidden}.studio-grid.is-sidebar-collapsed .control-panel{opacity:0;pointer-events:none;border-right:0;padding-left:0;padding-right:0}.panel-heading,.score-toolbar{justify-content:space-between;align-items:start;gap:18px;display:flex}.panel-heading-side{flex-direction:column;align-items:flex-end;gap:9px;min-width:0;display:flex}.file-type{color:var(--subtle);padding-top:3px}.upload-card{border:1px dashed rgba(var(--accent-rgb), .45);background:rgba(var(--accent-rgb), .04);text-align:center;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;min-height:148px;margin-top:24px;padding:20px 16px 16px;transition:border-color .2s,background .2s,transform .2s;display:flex;position:relative}.upload-card:hover,.upload-card.is-dragging{border-color:var(--accent);background:rgba(var(--accent-rgb), .09);transform:translateY(-2px)}.upload-card input{opacity:0;width:1px;height:1px;position:absolute}.upload-icon{width:36px;height:36px;color:var(--accent);border:1px solid rgba(var(--accent-rgb), .3);border-radius:8px;place-items:center;margin-bottom:15px;display:grid}.upload-icon svg{width:19px;height:19px}.upload-title{color:var(--ink);margin:0 0 5px;font-size:15px;font-weight:600}.upload-hint{color:var(--muted);margin:0;font-size:14px}.upload-hint label{color:var(--accent);text-underline-offset:3px;cursor:pointer;text-decoration:underline}.upload-formats{color:var(--subtle);letter-spacing:.11em;margin:23px 0 0;font-size:9px}.score-library{flex-direction:column;flex:auto;min-height:0;margin-top:27px;display:flex}.library-heading{justify-content:space-between;align-items:start;gap:12px;margin-bottom:11px;display:flex}.library-heading .section-kicker{margin-bottom:5px}.library-heading strong{color:var(--ink);font-size:13px;font-weight:600}.library-type{color:var(--subtle);letter-spacing:.12em;padding-top:2px;font-size:9px;font-weight:700}.score-list{flex-direction:column;flex:1 1 0;gap:6px;min-height:0;padding:1px 2px 2px 0;display:flex;overflow-y:auto}.score-list-row{gap:5px;min-width:0;display:flex}.score-item{border:1px solid var(--line);min-width:0;color:var(--ink);text-align:left;background:#ffffff06;border-radius:7px;flex:1;align-items:center;gap:9px;padding:9px 10px;display:flex}.score-item:hover{border-color:rgba(var(--accent-rgb), .45);background:rgba(var(--accent-rgb), .06)}.score-item.is-selected{border-color:rgba(var(--accent-rgb), .72);background:rgba(var(--accent-rgb), .09)}.score-item-badge{color:var(--accent-ink);background:var(--accent);letter-spacing:.03em;border-radius:4px;flex:none;padding:5px 4px;font-size:8px;font-weight:800}.score-item-copy{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.score-item-copy strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.score-item-copy small{color:var(--subtle);font-size:11px;line-height:1.1}.score-item-marker{width:13px;color:var(--accent);text-align:center;flex:none;font-size:13px;font-weight:800}.score-remove{width:29px;color:var(--subtle);background:0 0;border:1px solid #0000;border-radius:6px;flex:none;padding:0;font-size:19px;line-height:1}.score-remove:hover{color:var(--danger);background:#ff8d8314;border-color:#ff8d8347}.tip-block{max-width:190px;color:var(--muted);text-align:right;gap:8px;display:flex}.tip-icon{border:1px solid var(--subtle);width:18px;height:18px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-family:Georgia,serif;font-size:12px;font-weight:700;display:grid}.tip-block p{margin:-2px 0 0;font-size:11px;line-height:1.35}.score-panel{background:var(--paper);flex-direction:column;min-width:0;min-height:0;display:flex}.score-toolbar{color:var(--paper-ink);padding:28px 30px 22px}.score-toolbar .section-kicker{color:#7770b7}.score-toolbar h2{color:var(--paper-ink)}.score-toolbar-actions{align-items:center;gap:15px;display:flex}.sidebar-toggle{border:1px solid var(--paper-control-line);color:var(--paper-muted);background:var(--paper-control-bg);border-radius:6px;align-items:center;gap:7px;padding:7px 9px;font-size:12px;font-weight:600;display:inline-flex}.sidebar-toggle:hover{color:var(--paper-ink);background:color-mix(in srgb, var(--paper-ink) 8%, transparent)}.sidebar-toggle svg{width:15px;height:15px}.render-state{color:var(--paper-muted);white-space:nowrap;align-items:center;gap:8px;font-size:12px;display:flex}.render-state[data-state=loading] .state-dot{background:var(--purple);box-shadow:0 0 0 4px #a79cff26}.render-state[data-state=error] .state-dot{background:var(--danger);box-shadow:0 0 0 4px #ff8d8326}.notation-viewport{overscroll-behavior:contain;scrollbar-gutter:stable;flex:1 1 0;min-height:0;padding:0 30px 30px;position:relative;overflow:auto}.notation-canvas{min-height:410px;color:var(--paper-ink)}.notation-canvas>div{margin:0 auto}.notation-canvas .at-cursor-bar{z-index:4;pointer-events:none;border-radius:4px;background:var(--cursor-bar)!important}.notation-canvas .at-cursor-beat{z-index:5;box-shadow:0 0 0 2px color-mix(in srgb, var(--cursor-beat) 16%, transparent), 0 0 10px color-mix(in srgb, var(--cursor-beat) 38%, transparent);pointer-events:none;border-radius:3px;opacity:1!important;visibility:visible!important;background:var(--cursor-beat)!important;width:300px!important;min-width:300px!important}.notation-empty{text-align:center;min-height:410px;color:var(--paper-empty);place-content:center;display:grid}.empty-staff{color:var(--empty-staff);font-family:Georgia,serif;font-size:76px;line-height:1}.notation-empty p{margin:14px 0 0;font-size:15px}.score-error{border:1px solid var(--error-line);background:var(--error-bg);color:var(--error-ink);border-radius:6px;margin:0 30px 18px;padding:10px 12px;font-size:13px;line-height:1.4}.player-bar{border-top:1px solid var(--paper-line);background:var(--player-bar);min-height:84px;color:var(--paper-ink);flex:none;align-items:center;gap:13px;padding:17px 25px;display:flex}.play-button,.stop-button{border:0;flex:none;place-items:center;display:grid}.play-button{background:var(--paper-ink);width:47px;height:47px;color:var(--accent);border-radius:50%;transition:transform .2s,background .2s}.play-button:hover:not(:disabled){background:color-mix(in srgb, var(--paper-ink) 82%, var(--paper));transform:scale(1.06)}.play-button:disabled,.stop-button:disabled{opacity:.3;cursor:not-allowed}.play-button svg{width:21px;height:21px}.play-button .pause-icon,.play-button.is-playing .play-icon{display:none}.play-button.is-playing .pause-icon{display:block}.stop-button{width:31px;height:31px;color:var(--paper-muted);background:0 0;border-radius:4px;padding:6px}.stop-button:hover:not(:disabled){color:var(--paper-ink);background:#1d202914}.stop-button svg{width:100%;height:100%}.player-readout{flex:1;min-width:0;padding:0 6px}.player-title-row{align-items:baseline;gap:6px;min-width:0;margin-bottom:12px;display:flex}.player-title-row strong{text-overflow:ellipsis;white-space:nowrap;max-width:55%;font-size:13px;font-weight:700;overflow:hidden}.player-title-row span{color:var(--paper-muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.progress-track{background:var(--progress-track);border-radius:99px;height:4px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--progress-fill);width:0;height:100%;transition:width .15s linear;display:block}.player-time{color:var(--paper-muted);font-variant-numeric:tabular-nums;flex:none;font-size:12px}.footer-note{color:#646873;letter-spacing:.13em;align-items:center;gap:12px;margin-top:24px;font-size:9px;display:flex}.footer-line{background:#4f535d;width:28px;height:1px}@media (width<=820px){.topbar{padding:0 24px}.topbar-meta .eyebrow{display:none}.workspace{width:min(100% - 32px,640px);padding-top:32px}.intro-row{flex-direction:column;align-items:start;gap:22px;margin-bottom:32px}.shortcut-note{align-self:start}.studio-grid{flex-direction:column;height:auto;min-height:0;display:flex}.control-panel{border-right:0;border-bottom:1px solid var(--line)}.score-library{flex:none}.score-list{flex:0 222px;max-height:222px}.studio-grid.is-sidebar-collapsed .control-panel{display:none}.score-panel{min-height:560px}.notation-viewport{min-height:380px;max-height:min(560px,68svh)}}@media (width<=520px){.topbar{height:64px;padding:0 18px}.status-pill{font-size:11px}.topbar-actions{gap:8px}.topbar-meta,.theme-label{display:none}.theme-option{width:27px;padding:4px}.workspace{width:calc(100% - 24px);padding-top:28px}h1{font-size:30px}.intro-copy{font-size:16px}.control-panel{padding:23px 19px}.score-toolbar{padding:23px 19px 18px}.score-toolbar-actions{gap:8px}.sidebar-toggle span{display:none}.sidebar-toggle{padding:7px}.score-list{max-height:180px}.notation-viewport{padding:0 19px 19px}.score-error{margin-inline:19px}.player-bar{gap:7px;padding:14px 15px}.stop-button{display:none}.player-time{font-size:11px}}