:root{color:#e2e8f0;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background-color:#0f172a;font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);margin:0}button,input,select{font:inherit}code{font-family:ui-monospace,monospace;font-size:.85em}.info-modal{z-index:1000;-webkit-backdrop-filter:blur();backdrop-filter:blur();background:0 0;justify-content:center;align-items:center;padding:24px;transition:background .2s,-webkit-backdrop-filter .2s,backdrop-filter .2s;display:flex;position:fixed;inset:0}.info-modal--open{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0000009e}.info-modal__panel{opacity:0;background:#1c1c1efa;border:1px solid #545458bf;border-radius:20px;width:min(560px,100%);max-height:min(82vh,760px);transition:opacity .2s,transform .22s cubic-bezier(.4,0,.2,1);overflow:auto;transform:translateY(10px)scale(.96);box-shadow:0 24px 64px #00000073}.info-modal--open .info-modal__panel{opacity:1;transform:translateY(0)scale(1)}@media (prefers-reduced-motion:reduce){.info-modal,.info-modal__panel{transition:none}.info-modal__panel{opacity:1;transform:none}}.info-modal__header{border-bottom:1px solid #54545873;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px 12px;display:flex}.info-modal__header h2{margin:0;font-size:1.15rem;font-weight:700}.info-modal__close{color:#f2f2f7;cursor:pointer;background:#3a3a3cf2;border:none;border-radius:999px;width:34px;height:34px;font-size:1.35rem;line-height:1}.info-modal__body{padding:16px 20px 20px}.info-modal__section+.info-modal__section{border-top:1px solid #54545859;margin-top:18px;padding-top:16px}.info-modal__section h3{letter-spacing:.04em;text-transform:uppercase;color:#8e8e93;margin:0 0 10px;font-size:.82rem;font-weight:700}.info-modal__row{grid-template-columns:minmax(120px,38%) 1fr;gap:8px 14px;padding:7px 0;font-size:.92rem;display:grid}.info-modal__label{color:#8e8e93}.info-modal__value{color:#f2f2f7;word-break:break-word}.info-modal__list{color:#d1d1d6;margin:0;padding-left:18px;font-size:.88rem;line-height:1.45}.info-modal__list li+li{margin-top:6px}.login-gate{color:#f2f2f7;background:radial-gradient(80% 60% at 20% 0,#0a84ff2e,#0000 55%),#000;justify-content:center;align-items:center;min-height:100vh;padding:28px 20px;display:flex}.login-gate__panel{background:#1c1c1ef5;border:1px solid #545458b3;border-radius:22px;width:min(420px,100%);padding:36px 28px 28px;box-shadow:0 24px 60px #00000073}.login-gate__brand{letter-spacing:.08em;text-transform:uppercase;color:#8e8e93;margin:0;font-size:.8rem;font-weight:700}.login-gate__version{color:#636366;margin:4px 0 18px;font-size:.85rem}.login-gate__panel h1{letter-spacing:-.03em;margin:0 0 10px;font-size:1.7rem}.login-gate__copy{color:#aeaeb2;margin:0 0 24px;font-size:.98rem;line-height:1.45}.login-gate__error{color:#ff8a80;margin:0 0 16px;font-size:.9rem}.login-gate__google{color:#1c1c1e;background:#fff;border-radius:12px;justify-content:center;align-items:center;min-height:48px;font-weight:700;text-decoration:none;display:flex}.login-gate__google:hover{background:#f2f2f7}.login-gate__hint{color:#8e8e93;margin:0;font-size:.9rem}.login-gate__dev{color:#64b5ff;margin-top:14px;font-size:.9rem;display:inline-block}.my-account{z-index:1100;-webkit-backdrop-filter:blur();backdrop-filter:blur();background:0 0;justify-content:flex-end;transition:background .28s,-webkit-backdrop-filter .28s,backdrop-filter .28s;display:flex;position:fixed;inset:0}.my-account--open{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000073}.my-account__panel{background:#161618fa;border-left:1px solid #545458a6;width:min(420px,100%);height:100%;padding:18px 18px 28px;transition:transform .28s cubic-bezier(.4,0,.2,1);overflow:auto;transform:translate(100%);box-shadow:-18px 0 48px #00000059}.my-account--open .my-account__panel{transform:translate(0)}.my-account__header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.my-account__header h1{letter-spacing:-.02em;margin:0;font-size:1.35rem}.my-account__close{color:#f2f2f7;cursor:pointer;background:#3a3a3cf2;border:none;border-radius:999px;width:36px;height:36px;font-size:1.4rem;line-height:1}.my-account__body{flex-direction:column;display:flex}.my-account__card{background:#1c1c1ef2;border:1px solid #5454588c;border-radius:16px;margin-bottom:14px;padding:18px 16px}.my-account__card h3{margin:0 0 8px;font-size:1rem}.my-account__profile{align-items:center;gap:14px;display:flex}.my-account__profile h2{margin:0 0 4px;font-size:1.15rem}.my-account__profile p{color:#8e8e93;margin:0}.my-account__avatar{object-fit:cover;background:#3a3a3c;border-radius:999px;width:56px;height:56px}.my-account__avatar--fallback{justify-content:center;align-items:center;font-size:1.3rem;font-weight:700;display:inline-flex}.my-account__muted{color:#8e8e93;margin:0;line-height:1.45}.my-account__logout{color:#ff8a80;cursor:pointer;background:#ff453a1f;border:1px solid #ff453a73;border-radius:12px;min-height:44px;margin-top:8px;padding:0 18px;font-weight:700}@media (prefers-reduced-motion:reduce){.my-account,.my-account__panel{transition:none}.my-account__panel{transform:none}}.guide-overlay{flex-direction:column;flex:1 1 0;width:100%;height:100%;min-height:0;display:flex}.guide-overlay__banner{color:#ffd479;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px 16px;margin:0 0 10px;font-size:.9rem;display:flex}.guide-timesig{color:#f2f2f7;align-items:center;gap:8px;font-size:.85rem;display:inline-flex}.guide-timesig select{color:#f2f2f7;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:8px;min-height:34px;padding:0 10px;font-size:.9rem}.guide-timesig__hint{color:#8e8e93;font-size:.78rem}.guide-overlay__frame{background:#1c1c1e;border:none;border-radius:0;flex:1 1 0;justify-content:center;align-items:flex-start;width:100%;min-width:0;min-height:0;display:flex;position:relative;overflow:auto}.guide-overlay__content{touch-action:none;flex-shrink:0;width:100%;line-height:0;display:block;position:relative}.guide-overlay__content--fitted{width:100%;max-width:100%;height:auto;aspect-ratio:var(--score-nw) / var(--score-nh)}.guide-overlay__content--fitted .guide-overlay__image{width:100%;height:100%}.guide-overlay__image{-webkit-user-select:none;user-select:none;pointer-events:none;background:#0a0e16;width:100%;height:auto;display:block}.guide-selection{pointer-events:none;z-index:6;background:#4c8dff29;border:2px dashed #4c8dff;position:absolute}.guide-zone{z-index:5;cursor:move;background:#ff453a2e;border:2px solid #ff453ae6;position:absolute}.guide-zone--selected{z-index:7;background:#ff9f0a2e;border-color:#ff9f0a}.guide-zone__label{color:#fff;pointer-events:none;background:#ff453ad9;border-radius:6px;padding:1px 6px;font-size:.7rem;line-height:1.3;position:absolute;top:2px;left:4px}.guide-zone__label--chord{background:#0a84ffe6}.guide-chordzone{z-index:5;background:#0a84ff29;border:2px solid #0a84ffe6;position:absolute}.guide-zone__delete,.guide-clef__delete{color:#fff;cursor:pointer;z-index:8;background:#ff453a;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:1rem;line-height:1;display:flex;position:absolute;top:-14px;right:-14px}.guide-handle{z-index:9;touch-action:none;background:#fff;border:2px solid #ff9f0a;border-radius:50%;width:26px;height:26px;margin:-13px 0 0 -13px;position:absolute;box-shadow:0 1px 4px #00000080}.guide-handle--nw{cursor:nwse-resize;top:0;left:0}.guide-handle--n{cursor:ns-resize;top:0;left:50%}.guide-handle--ne{cursor:nesw-resize;top:0;left:100%}.guide-handle--e{cursor:ew-resize;top:50%;left:100%}.guide-handle--se{cursor:nwse-resize;top:100%;left:100%}.guide-handle--s{cursor:ns-resize;top:100%;left:50%}.guide-handle--sw{cursor:nesw-resize;top:100%;left:0}.guide-handle--w{cursor:ew-resize;top:50%;left:0}.guide-clef{z-index:6;position:absolute;transform:translate(-50%,-50%)}.guide-clef__glyph{color:#4ade80;background:#0f172ae6;border:2px solid #4ade80;border-radius:8px;justify-content:center;align-items:center;min-width:34px;height:40px;padding:0 6px;font-size:1.8rem;line-height:1;display:inline-flex}.guide-menu{z-index:20;background:#1c1e26f7;border:1px solid #ffffff24;border-radius:12px;flex-direction:column;gap:6px;padding:8px;line-height:1.2;display:flex;position:absolute;transform:translateY(6px);box-shadow:0 12px 32px #00000080}.guide-menu button{color:#fff;cursor:pointer;white-space:nowrap;background:#2b6cb0;border:none;border-radius:8px;padding:10px 16px;font-size:.9rem}.guide-menu__cancel{background:#78788080!important}.guide-menu__row,.guide-clef-switch{gap:6px;display:flex}.guide-clef-switch button{background:#78788066}.guide-clef-switch button.is-active{color:#10331d;background:#4ade80}.pitch-picker{flex-direction:column;gap:16px;margin-bottom:16px;display:flex}.pitch-picker__preview{text-align:center;color:#0a84ff;letter-spacing:.02em;font-size:1.5rem;font-weight:700}.pitch-picker__section{flex-direction:column;gap:8px;display:flex}.pitch-picker__label{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;font-size:.82rem;font-weight:600}.pitch-picker__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.pitch-picker__chip{color:#f2f2f7;cursor:pointer;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;min-height:52px;padding:6px 4px;display:flex}.pitch-picker__chip strong{font-size:1.05rem;line-height:1.2}.pitch-picker__chip span{color:#aeaeb2;margin-top:2px;font-size:.78rem}.pitch-picker__chip--active{background:#0a84ff;border-color:#0a84ff;box-shadow:0 2px 10px #0a84ff59}.pitch-picker__chip--active span{color:#ffffffe0}.pitch-picker__chip:disabled{opacity:.45;cursor:not-allowed}.pitch-picker__octaves{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;display:grid}.pitch-picker__octave{color:#f2f2f7;cursor:pointer;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:12px;min-height:48px;font-size:1.1rem;font-weight:700}.pitch-picker__octave--active{background:#0a84ff;border-color:#0a84ff}.pitch-picker__octave:disabled{opacity:.45;cursor:not-allowed}.pitch-picker__accidental{cursor:pointer;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:999px;align-self:flex-start;width:112px;height:44px;padding:0;position:relative}.pitch-picker__accidental:disabled{opacity:.45;cursor:not-allowed}.pitch-picker__acc-side{color:#8e8e93;pointer-events:none;font-size:1.05rem;font-weight:700;position:absolute;top:50%;transform:translateY(-50%)}.pitch-picker__acc-side--left{left:16px}.pitch-picker__acc-side--right{right:16px}.pitch-picker__acc-thumb{color:#fff;background:#0a84ff;border-radius:999px;justify-content:center;align-items:center;width:34px;height:36px;font-size:1.05rem;font-weight:700;transition:transform .2s;display:inline-flex;position:absolute;top:3px;left:3px;box-shadow:0 2px 8px #0a84ff59}.pitch-picker__accidental--sharp .pitch-picker__acc-thumb{transform:translate(0)}.pitch-picker__accidental--natural .pitch-picker__acc-thumb{transform:translate(37px)}.pitch-picker__accidental--flat .pitch-picker__acc-thumb{transform:translate(71px)}.edit-side-panel{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#1c1c1efa;border-left:1px solid #545458a6;flex-direction:column;height:100%;min-height:0;display:flex}.edit-side-panel__header{border-bottom:1px solid #54545873;flex-shrink:0;align-items:center;gap:12px;padding:18px 18px 12px;display:flex}.edit-side-panel__header h2{color:#f2f2f7;margin:0;font-size:1.25rem;font-weight:700}.edit-side-panel__close{color:#f2f2f7;cursor:pointer;background:#7676803d;border:none;border-radius:999px;width:36px;height:36px;font-size:1rem}.edit-side-panel__body{padding:18px;overflow:auto}.edit-side-panel__hint{color:#aeaeb2;margin:0 0 18px;font-size:.95rem;line-height:1.45}.edit-side-panel__hint strong{color:#f2f2f7}.edit-side-panel__field{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.edit-side-panel__field span{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;font-size:.82rem;font-weight:600}.edit-side-panel__field select{color:#f2f2f7;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:12px;min-height:48px;padding:0 14px;font-size:1.05rem}.edit-side-panel__status{color:#34c759;margin:8px 0 0;font-size:.9rem}.edit-side-panel__actions{border-top:1px solid #54545873;flex-direction:column;gap:10px;margin-top:8px;padding-top:16px;display:flex}.edit-side-panel__primary,.edit-side-panel__danger,.edit-side-panel__secondary{cursor:pointer;border:none;border-radius:14px;min-height:50px;font-size:1.02rem;font-weight:600}.edit-side-panel__primary{color:#fff;background:#0a84ff}.edit-side-panel__danger{color:#ff453a;background:#ff453a2e}.edit-side-panel__secondary{color:#f2f2f7;background:#76768038}.edit-side-panel__primary:disabled,.edit-side-panel__danger:disabled,.edit-side-panel__secondary:disabled{opacity:.45;cursor:not-allowed}.edit-side-panel__autosave{text-align:center;color:#8e8e93;margin:0;font-size:.88rem}.edit-side-panel__nudge{margin-bottom:14px}.edit-side-panel__nudge-label{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;margin-bottom:8px;font-size:.82rem;font-weight:600;display:block}.edit-side-panel__nudge-row{gap:10px;display:flex}.edit-side-panel__nudge-btn{color:#f2f2f7;cursor:pointer;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:12px;flex:1;min-height:44px;font-size:1.2rem}.edit-side-panel__nudge-btn:disabled{opacity:.45;cursor:not-allowed}.edit-side-panel__chord-lock{flex-direction:column;gap:8px;margin-bottom:14px;display:flex}.edit-side-panel__chord-lock-on{color:#4ade80;margin:0;font-size:.9rem}.score-library{background:#1c1c1ef5;border-right:1px solid #545458a6;flex-direction:column;width:100%;min-width:0;height:100%;min-height:0;display:flex;position:relative}.app-shell--library-collapsed .score-library{pointer-events:none}.score-library__header{border-bottom:1px solid #54545859;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:6px;min-width:0;padding:14px 18px 10px 12px;display:grid}.score-library__back-btn{color:#8e8e93;cursor:pointer;background:0 0;border:none;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;padding:0;display:inline-flex}.score-library__back-btn svg{width:18px;height:18px}.score-library__back-btn:hover{color:#f2f2f7;background:#7676803d}.score-library__edge-toggle{z-index:70;color:#f2f2f7;cursor:pointer;pointer-events:auto;background:#3a3a3cfa;border:1px solid #545458bf;border-right:none;border-radius:10px 0 0 10px;justify-content:center;align-items:center;width:22px;height:64px;padding:0;transition:background .12s,color .12s;display:inline-flex;position:absolute;top:50%;right:0;transform:translate(50%,-50%);box-shadow:0 4px 16px #00000059}.score-library__edge-toggle svg{width:16px;height:16px}.score-library__edge-toggle-icon--stack{display:none}.score-library__edge-toggle:hover{color:#fff;background:#0a84ff}.score-library__title-group{align-items:center;gap:8px;min-width:0;display:inline-flex}.score-library__header h2{letter-spacing:-.02em;color:#f2f2f7;white-space:nowrap;margin:0;font-size:1.05rem;font-weight:700}.score-library__count{color:#aeaeb2;background:#7676803d;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;min-width:22px;height:22px;padding:0 7px;font-size:.75rem;font-weight:600;display:inline-flex}.score-library__toolbar{flex-shrink:0;justify-content:flex-end;align-items:center;gap:2px;display:inline-flex}.score-library__tool-btn{color:#8e8e93;cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;width:28px;height:28px;padding:0;transition:background .12s,color .12s,transform .12s;display:inline-flex;position:relative}.score-library__tool-btn svg{width:17px;height:17px}.score-library__tool-btn:hover:not(:disabled){color:#ebebf5;background:#76768038}.score-library__tool-btn:active:not(:disabled){transform:scale(.94)}.score-library__tool-btn--active{color:#64b5ff;background:#0a84ff29}.score-library__tool-btn:disabled{opacity:.35;cursor:not-allowed}.score-library__tool-btn--danger{color:#ff6961}.score-library__tool-btn--danger:hover:not(:disabled){color:#ff453a;background:#ff453a38}.score-library__tool-badge{color:#fff;text-align:center;background:#ff453a;border-radius:999px;min-width:16px;height:16px;padding:0 4px;font-size:.65rem;font-weight:700;line-height:16px;position:absolute;top:-4px;right:-4px}.score-library__sort-hint{letter-spacing:.02em;color:#636366;text-transform:uppercase;padding:4px 14px 2px;font-size:.72rem;font-weight:600}.score-library__select-bar{justify-content:space-between;align-items:center;gap:10px;padding:8px 14px 6px 12px;display:flex}.score-library__select-actions{align-items:center;gap:4px;display:inline-flex}.score-library__move-wrap{position:relative}.score-library__move-menu{z-index:12;background:#2c2c2efa;border:1px solid #545458cc;border-radius:12px;flex-direction:column;gap:2px;min-width:180px;max-width:240px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 12px 28px #00000073}.score-library__move-item{color:#f2f2f7;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px 12px;font-size:.9rem;font-weight:600}.score-library__move-item:hover{background:#76768047}.score-library__move-empty{color:#8e8e93;margin:0;padding:10px 12px;font-size:.82rem}.score-library__folder-row{align-items:stretch;gap:6px;display:flex}.score-library__folder{color:#f2f2f7;cursor:pointer;text-align:left;background:#2c2c2e;border:none;border-radius:14px;flex:1;align-items:center;gap:10px;min-width:0;padding:12px 10px 12px 12px;display:flex}.score-library__folder:hover{background:#3a3a3c}.score-library__folder-icon{color:#64b5ff;flex-shrink:0;display:inline-flex}.score-library__folder-icon svg{width:22px;height:22px}.score-library__folder-main{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.score-library__folder-name{white-space:nowrap;text-overflow:ellipsis;font-size:1.02rem;font-weight:600;overflow:hidden}.score-library__folder-meta{color:#aeaeb2;font-size:.82rem}.score-library__folder-chevron{color:#8e8e93;flex-shrink:0;font-size:1.35rem;font-weight:600}.score-library__folder-delete{color:#8e8e93;cursor:pointer;background:#2c2c2e;border:none;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:40px;display:inline-flex}.score-library__folder-delete svg{width:17px;height:17px}.score-library__folder-delete:hover{color:#ff453a;background:#ff453a33}.score-library__item--select{text-align:left;cursor:pointer;border:none;align-items:center;gap:12px;width:100%;display:flex}.score-library__item-main--select{flex-direction:column;flex:1;gap:2px;display:flex}.score-library__check{color:#fff;border:2px solid #ebebf566;border-radius:50%;flex:none;justify-content:center;align-items:center;width:22px;height:22px;font-size:13px;transition:background .12s,border-color .12s;display:inline-flex}.score-library__check--on{background:#4c8dff;border-color:#4c8dff}.score-library__item--selected{background:#4c8dff29}.score-library__list{flex-direction:column;flex:1;gap:8px;padding:8px 12px 20px;display:flex;overflow:auto}.score-library__empty{color:#8e8e93;margin:16px 8px;font-size:.95rem;line-height:1.45}.score-library__row{border-radius:14px;position:relative;overflow:hidden}.score-library__menu-actions{z-index:0;background:#1c1c1e;grid-template-columns:repeat(3,1fr);gap:0;width:216px;display:grid;position:absolute;inset:0 0 0 auto}.score-library__menu-btn{color:#fff;cursor:pointer;opacity:1;border:none;padding:0 4px;font-size:.82rem;font-weight:700}.score-library__menu-btn--duplicate{background:#0a84ff;border-radius:0}.score-library__menu-btn--rename{background:#636366}.score-library__menu-btn--delete{background:#ff453a;border-radius:0 14px 14px 0}.score-library__item{z-index:1;background:#2c2c2e;border-radius:14px;align-items:stretch;width:100%;transition:transform .22s,background .15s;display:flex;position:relative}.score-library__item:hover{background:#3a3a3c}.score-library__item--active{background:#1a3352;box-shadow:inset 0 0 0 1px #0a84ff}.score-library__row--open .score-library__menu-actions{z-index:2}.score-library__row--open .score-library__item{z-index:1;background:#2c2c2e;box-shadow:4px 0 12px #00000059}.score-library__item-main{text-align:left;background:inherit;color:#f2f2f7;cursor:pointer;border:none;flex:1;min-width:0;padding:14px 8px 12px 14px}.score-library__chevron{background:inherit;color:#8e8e93;cursor:pointer;border:none;border-left:1px solid #48484a;flex-shrink:0;justify-content:center;align-items:center;width:40px;font-size:1.35rem;font-weight:600;line-height:1;display:inline-flex}.score-library__chevron:hover{color:#f2f2f7;background:#3a3a3c}.score-library__row--open .score-library__chevron{color:#0a84ff}.score-library__title{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:1.02rem;font-weight:600;display:block;overflow:hidden}.score-library__meta,.score-library__date{color:#aeaeb2;font-size:.82rem;display:block}.score-library__meta{margin-bottom:2px}@media (width<=700px){.score-library{width:100%}.score-library__header{padding-right:12px}.score-library__list{min-height:120px}.score-library__title,.score-library__folder-name{white-space:nowrap}.score-library__edge-toggle{border:1px solid #545458bf;border-radius:12px;width:68px;height:28px;inset:8px auto auto 50%;transform:translate(-50%);box-shadow:0 4px 16px #00000059}.score-library__edge-toggle-icon--side{display:none}.score-library__edge-toggle-icon--stack{display:block}}.score-viewer{flex-direction:column;flex:1 1 0;width:100%;height:100%;min-height:0;display:flex}.score-viewer__banner{color:#8e8e93;flex-shrink:0;margin:0 0 10px;font-size:.92rem}.score-viewer__frame{background:#1c1c1e;border:none;border-radius:0;flex:1 1 0;justify-content:center;align-items:flex-start;width:100%;min-width:0;min-height:0;display:flex;position:relative;overflow:auto}.score-viewer__content{flex-shrink:0;width:100%;line-height:0;display:block;position:relative}.score-viewer__content--fitted{width:100%;max-width:100%;height:auto;aspect-ratio:var(--score-nw) / var(--score-nh)}.score-viewer__image{z-index:1;-webkit-user-select:none;user-select:none;pointer-events:none;background:#0a0e16;width:100%;max-width:100%;height:auto;display:block;position:relative}.score-viewer__content--fitted .score-viewer__image{width:100%;height:100%}.score-viewer__probe{z-index:4;cursor:crosshair;touch-action:pan-y;position:absolute;inset:0}.score-viewer__probe.correction-edit{cursor:crosshair;z-index:4;touch-action:manipulation}.score-viewer__probe--playback{cursor:pointer}.score-viewer__hotspot-layer{z-index:3;pointer-events:none;position:absolute;inset:0}.score-viewer__hotspot-layer--edit{z-index:6;pointer-events:none}.score-viewer__hover-line{pointer-events:none;z-index:1;background:linear-gradient(#ff505040,#ff3c3ce6,#ff505040);width:2px;margin-left:-1px;position:absolute;box-shadow:0 0 10px #ff46468c}.score-viewer__column-hit{pointer-events:none;z-index:0;background:#ff46461f;border-left:2px solid #ff50508c;border-right:2px solid #ff50508c;position:absolute;transform:translate(-50%)}.score-viewer__column-labels{pointer-events:none;z-index:5;background:#0f172af0;border:1px solid #475569;border-radius:10px;min-width:120px;max-width:220px;padding:10px 14px;position:absolute;transform:translate(20px,calc(-100% - 28px))}.score-viewer__column-label-row{justify-content:center;align-items:baseline;gap:12px;font-size:1.7rem;line-height:1.35;display:flex}.score-viewer__column-label-row strong{color:#f8fafc}.score-viewer__column-label-row span{color:#94a3b8;font-size:1.6rem}.score-viewer__hotspot-dot{pointer-events:none;z-index:2;background:#ffc4598c;border:2px solid #ffd479;border-radius:999px;width:12px;height:12px;position:absolute;transform:translate(-50%,-50%)}.score-viewer__hotspot-dot.hover-active,.score-viewer__hotspot-dot.playback{z-index:3;background:#ff3c3cd9;border-color:#f44;box-shadow:0 0 10px #ff4646bf}.score-viewer__hotspot-dot.correction-visible{background:#ff9f0a8c;border-color:#ff9f0a;width:14px;height:14px}.score-viewer__hotspot-dot.correction-selected,.score-viewer__hotspot-dot.pending-placement{z-index:7;background:#4ade80bf;border-color:#4ade80;box-shadow:0 0 12px #4ade80cc}.score-viewer__hotspot{cursor:pointer;pointer-events:auto;z-index:6;background:#ffc45973;border:2px solid #ffd479;border-radius:999px;width:22px;height:22px;padding:0;position:absolute;transform:translate(-50%,-50%);box-shadow:0 0 8px #ffc45999}.score-viewer__hotspot.correction{width:12px;height:12px;box-shadow:none;background:#ff9f0abf;border-width:1.5px;border-color:#ff9f0a}.score-viewer__hotspot.correction.correction-selected{background:#4ade80d9;border-width:2px;border-color:#4ade80;width:14px;height:14px;box-shadow:0 0 8px #4ade80b3}.score-viewer__hotspot:hover,.score-viewer__hotspot.active{color:#fff0cd;background:#ff8c28e6;width:auto;min-width:16px;height:auto;min-height:16px;padding:2px 6px;font-size:.65rem}.score-viewer__hotspot.correction{background:#fc818159;border-color:#fc8181}.score-viewer__chord-column-guide{pointer-events:none;z-index:1;background:linear-gradient(#4ade8033,#4ade80d9,#4ade8033);width:2px;margin-left:-1px;position:absolute;box-shadow:0 0 10px #4ade808c}.score-viewer__playhead{pointer-events:none;z-index:5;background:linear-gradient(#f6e05e40,#ed8936f2,#f6e05e40);width:3px;margin-left:-1px;position:absolute;box-shadow:0 0 12px #f6e05e99}.add-score-menu{flex-direction:column;gap:0;display:flex;position:relative}.add-score-menu__row{align-items:center;gap:12px;display:inline-flex}.add-score-menu__label{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;font-size:.78rem;font-weight:600}.add-score-menu__trigger{color:#fff;cursor:pointer;background:#0a84ffeb;border:none;border-radius:999px;flex-shrink:0;width:44px;height:44px;font-size:1.6rem;font-weight:300;line-height:1;box-shadow:0 4px 14px #0a84ff59}.add-score-menu__trigger:disabled{opacity:.45;cursor:not-allowed}.add-score-menu__popover{z-index:30;background:#2c2c2efa;border:1px solid #545458cc;border-radius:16px;width:min(360px,100vw - 48px);padding:14px 14px 12px;position:absolute;top:calc(100% + 10px);left:0;box-shadow:0 16px 40px #00000080}.add-score-menu__popover--portal{z-index:1200;margin:0;animation:.16s cubic-bezier(.4,0,.2,1) both add-score-pop;position:fixed}@keyframes add-score-pop{0%{opacity:0;transform:translateY(-6px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@media (prefers-reduced-motion:reduce){.add-score-menu__popover--portal{animation:none}}.add-score-menu__upload-label{color:#f2f2f7;margin:0 0 8px;font-size:.92rem;font-weight:700}.add-score-menu__upload-label span{color:#ff453a}.add-score-menu__dropzone{color:#aeaeb2;cursor:pointer;background:#1c1c1ea6;border:1.5px dashed #aeaeb28c;border-radius:12px;justify-content:center;align-items:center;gap:12px;min-height:88px;padding:18px 16px;transition:border-color .12s,background .12s,color .12s;display:flex;position:relative}.add-score-menu__dropzone:hover,.add-score-menu__dropzone--active{color:#f2f2f7;background:#0a84ff1a;border-color:#64b5ff}.add-score-menu__drop-icon{color:#8e8e93;flex-shrink:0;display:inline-flex}.add-score-menu__drop-icon svg{width:28px;height:28px}.add-score-menu__dropzone:hover .add-score-menu__drop-icon,.add-score-menu__dropzone--active .add-score-menu__drop-icon{color:#64b5ff}.add-score-menu__drop-text{font-size:.95rem;line-height:1.35}.add-score-menu__drop-text strong{color:#f2f2f7;font-weight:700}.add-score-menu__file-input{opacity:0;cursor:pointer;position:absolute;inset:0}.add-score-menu__hint{color:#8e8e93;margin:10px 2px 0;font-size:.72rem;line-height:1.4}.ios-slider{flex-direction:column;gap:8px;min-width:180px;display:flex}.ios-slider--disabled{opacity:.45}.ios-slider__header{justify-content:space-between;align-items:center;gap:12px;display:flex}.ios-slider__label{color:#f2f2f7;font-size:1rem;font-weight:500}.ios-slider__value{color:#8e8e93;font-variant-numeric:tabular-nums;font-size:.95rem;font-weight:600}.ios-slider__input{appearance:none;background:linear-gradient(to right, #0a84ff 0%, #0a84ff var(--slider-percent,0%), #7878805c var(--slider-percent,0%), #7878805c 100%);cursor:pointer;border-radius:999px;outline:none;width:100%;height:4px}.ios-slider__input:disabled{cursor:not-allowed}.ios-slider__input::-webkit-slider-thumb{appearance:none;background:#fff;border:none;border-radius:50%;width:28px;height:28px;box-shadow:0 3px 8px #0000002e,0 0 1px #0000001f}.ios-slider__input::-moz-range-thumb{background:#fff;border:none;border-radius:50%;width:28px;height:28px;box-shadow:0 3px 8px #0000002e,0 0 1px #0000001f}.ios-slider__input::-moz-range-track{background:#7878805c;border-radius:999px;height:4px}.ios-switch{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;display:inline-flex}.ios-switch--disabled{opacity:.45;cursor:not-allowed}.ios-switch__label{color:#f2f2f7;font-size:1rem;font-weight:500}.ios-switch__track{cursor:pointer;background:#39393d;border:none;border-radius:999px;flex-shrink:0;width:51px;height:31px;padding:0;transition:background .2s;position:relative}.ios-switch__track--on{background:#34c759}.ios-switch__track:disabled{cursor:not-allowed}.ios-switch__thumb{background:#fff;border-radius:50%;width:27px;height:27px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 3px 8px #00000026,0 1px 1px #00000029}.ios-switch__track--on .ios-switch__thumb{transform:translate(20px)}.playback-toggle{color:#fff;cursor:pointer;background:linear-gradient(#3a9bff 0%,#0a84ff 100%);border:none;border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;padding:0;transition:transform .12s,box-shadow .12s,opacity .12s;display:inline-flex;box-shadow:inset 0 1px #ffffff2e,0 4px 14px #0a84ff59}.playback-toggle svg{fill:currentColor;width:24px;height:24px}.playback-toggle:hover:not(:disabled){transform:translateY(-1px);box-shadow:inset 0 1px #ffffff38,0 6px 18px #0a84ff6b}.playback-toggle:active:not(:disabled){transform:scale(.96)}.playback-toggle--active{background:linear-gradient(#636366 0%,#48484a 100%);box-shadow:inset 0 1px #ffffff1f,0 4px 12px #00000047}.playback-toggle:disabled{opacity:.42;cursor:not-allowed}@media (width>=1024px){.playback-toggle{border-radius:16px;width:56px;height:56px}.playback-toggle svg{width:26px;height:26px}}.step-playback{color:#fff;cursor:pointer;background:linear-gradient(#c084fc 0%,#9333ea 100%);border:none;border-radius:999px;justify-content:center;align-items:center;width:78px;height:78px;padding:0;transition:transform .12s,box-shadow .12s,opacity .12s;display:inline-flex;box-shadow:inset 0 1px #ffffff38,0 10px 28px #9333ea7a,0 4px 12px #00000047}.step-playback--floating{z-index:90;position:fixed;bottom:28px;right:28px}.step-playback svg{fill:currentColor;width:36px;height:36px}.step-playback:hover:not(:disabled){transform:translateY(-2px)scale(1.02);box-shadow:inset 0 1px #ffffff42,0 14px 34px #9333ea94,0 6px 16px #00000052}.step-playback:active:not(:disabled){transform:scale(.96)}.step-playback:disabled{opacity:.42;cursor:not-allowed}@media (width<=900px){.step-playback--floating{bottom:18px;right:18px}}@media (width>=1024px){.step-playback{width:84px;height:84px}.step-playback svg{width:38px;height:38px}}.server-status{cursor:pointer;background:#2c2c2ef2;border:none;border-radius:999px;justify-content:center;align-items:center;width:38px;height:38px;padding:0;transition:transform .12s,background .12s;display:inline-flex}.server-status__icon{fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.server-status__heart{fill:currentColor;stroke:none;opacity:.92}.server-status__heart--muted{opacity:.45}.server-status__ecg{fill:none;stroke:#fff;stroke-width:1.5px;opacity:.95}.server-status__break{stroke-width:1.8px;opacity:.95}.server-status--online{color:#34c759}.server-status--offline{color:#ff453a}.server-status--pending{color:#ffd60a}.server-status:hover{background:#3a3a3cfa;transform:translateY(-1px)}.server-status__loading{color:#8e8e93;margin:0;font-size:.92rem}.progress-overlay{z-index:1000;-webkit-backdrop-filter:blur(14px)saturate(120%);background:#080a108c;justify-content:center;align-items:center;animation:.22s ease-out progress-overlay-in;display:flex;position:fixed;inset:0}@keyframes progress-overlay-in{0%{opacity:0}to{opacity:1}}.progress-overlay__card{text-align:center;color:#f5f6fa;background:#1c1e26d1;border:1px solid #ffffff1f;border-radius:22px;width:min(420px,100vw - 48px);padding:32px 28px 24px;box-shadow:0 24px 60px #00000073}.progress-overlay__spinner{border:3px solid #ffffff2e;border-top-color:#4c8dff;border-radius:50%;width:38px;height:38px;margin:0 auto 18px;animation:.85s linear infinite progress-overlay-spin}@keyframes progress-overlay-spin{to{transform:rotate(360deg)}}.progress-overlay__title{letter-spacing:-.01em;margin:0 0 6px;font-size:18px;font-weight:600}.progress-overlay__stage{color:#ebeef5c7;min-height:20px;margin:0 0 10px;font-size:14px}.progress-overlay__hint{color:#ebeef585;margin:0 0 18px;font-size:12px;line-height:1.45}.progress-overlay__track{background:#ffffff1f;border-radius:999px;height:8px;position:relative;overflow:hidden}.progress-overlay__fill{background:linear-gradient(90deg,#4c8dff,#6db1ff);border-radius:999px;height:100%;transition:width .42s cubic-bezier(.22,.61,.36,1);box-shadow:0 0 12px #4c8dff99}.progress-overlay__fill--indeterminate{width:38%;animation:1.2s ease-in-out infinite progress-overlay-indet}@keyframes progress-overlay-indet{0%{margin-left:-40%}to{margin-left:100%}}.progress-overlay__pct{color:#ebeef599;font-variant-numeric:tabular-nums;margin-top:10px;font-size:12px}.progress-overlay__cancel{color:#f5f6fa;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff29;border-radius:12px;margin-top:22px;padding:10px 22px;font-size:14px;font-weight:500;transition:background .14s,transform .14s}.progress-overlay__cancel:hover{background:#ff5a5a29;border-color:#ff5a5a66}.progress-overlay__cancel:active{transform:scale(.97)}.semitone-toggle{flex-direction:column;gap:6px;display:flex}.semitone-toggle__label{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;font-size:.78rem;font-weight:600}.semitone-toggle__track{cursor:pointer;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:999px;width:96px;height:44px;padding:0;position:relative}.semitone-toggle__thumb{color:#fff;background:#0a84ff;border-radius:999px;justify-content:center;align-items:center;width:42px;height:36px;font-size:1.1rem;font-weight:700;transition:transform .2s;display:inline-flex;position:absolute;top:3px;left:3px;box-shadow:0 2px 8px #0a84ff59}.semitone-toggle__track--flat .semitone-toggle__thumb{transform:translate(48px)}.app-shell{--library-width:clamp(260px, 28vw, 320px);grid-template-columns:var(--library-width) minmax(0, 1fr);color:#f2f2f7;background:#000;height:100dvh;min-height:100dvh;transition:grid-template-columns .28s cubic-bezier(.4,0,.2,1);display:grid;overflow:hidden}.app-shell--library-collapsed{--library-width:0px}.app-shell--my{grid-template-columns:minmax(0,1fr)}.app-library-slot{z-index:60;grid-area:1/1;width:100%;min-width:0;height:100%;position:relative;overflow:visible}.app-shell--library-collapsed .app-library-slot{pointer-events:none;overflow:hidden}.app-shell--library-collapsed .score-library__edge-toggle{display:none}.app-library-expand-tab{z-index:80;color:#ebebf5;cursor:pointer;pointer-events:auto;background:#2c2c2ef5;border:1px solid #545458a6;border-left:none;border-radius:0 14px 14px 0;justify-content:center;align-items:center;width:34px;height:68px;padding:0;transition:background .12s,transform .12s;display:inline-flex;position:fixed;top:50%;left:0;transform:translateY(-50%);box-shadow:4px 0 18px #00000047}.app-library-expand-tab svg{width:18px;height:18px}.app-library-expand-tab-icon--stack{display:none}.app-library-expand-tab:hover{background:#3a3a3cfa}.app-library-expand-tab:active{transform:translateY(-50%)scale(.96)}.app-main{z-index:1;flex-direction:column;grid-area:1/2;min-width:0;height:100%;min-height:0;display:flex;position:relative;overflow:hidden}.app-main--edit{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr) min(380px,34vw);height:100%;min-height:0;display:grid}.app-main__body{flex-direction:column;flex:1 1 0;min-width:0;min-height:0;display:flex;position:relative;overflow:hidden}.app-chrome{z-index:50;flex-shrink:0;margin-bottom:14px;position:relative}.app-chrome__collapse-tab,.app-chrome-expand-tab{z-index:52;color:#ebebf5;cursor:pointer;background:#2c2c2ef5;border:1px solid #545458a6;justify-content:center;align-items:center;padding:0;transition:background .12s,transform .12s;display:inline-flex;box-shadow:0 4px 18px #00000047}.app-chrome__collapse-tab{border-top:none;border-radius:0 0 14px 14px;width:68px;height:28px;position:absolute;bottom:0;left:50%;transform:translate(-50%,50%)}.app-chrome-expand-tab{border-bottom:none;border-radius:0 0 14px 14px;width:68px;height:34px;position:absolute;top:0;left:50%;transform:translate(-50%)}.app-chrome__collapse-tab svg,.app-chrome-expand-tab svg{width:18px;height:18px}.app-chrome__collapse-tab:hover,.app-chrome-expand-tab:hover{background:#3a3a3cfa}.app-chrome__collapse-tab:active{transform:translate(-50%,50%)scale(.96)}.app-chrome-expand-tab:active{transform:translate(-50%)scale(.96)}.app-topbar{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#1c1c1eeb;border-bottom:1px solid #54545873;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:14px 22px 10px;display:flex}.app-topbar__leading{align-items:baseline;gap:10px;min-width:0;display:inline-flex}.app-topbar h1{letter-spacing:-.03em;margin:0;font-size:1.6rem;font-weight:700}.app-topbar__version{color:#8e8e93;letter-spacing:.02em;flex-shrink:0;font-size:.85rem;font-weight:600}.app-topbar__subtitle{color:#8e8e93;margin:4px 0 0;font-size:.95rem}.app-topbar__status{flex-shrink:0;justify-content:flex-end;align-items:center;gap:10px;display:flex}.app-topbar__action{color:#f2f2f7;cursor:pointer;white-space:nowrap;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:10px;min-height:36px;padding:0 12px;font-size:.85rem;font-weight:600}.app-topbar__action:hover{background:#3a3a3cfa}.app-topbar__account{color:#f2f2f7;cursor:pointer;background:#2c2c2ef2;border:1px solid #545458d9;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-weight:700;display:inline-flex;overflow:hidden}.app-topbar__account img{object-fit:cover;width:100%;height:100%}.app-controls{z-index:50;background:#1c1c1eb8;flex-wrap:nowrap;flex-shrink:0;align-items:center;gap:12px 16px;padding:12px 22px;display:flex;position:relative;overflow:visible}.app-controls__upload,.app-controls__field{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;flex-direction:column;gap:6px;font-size:.78rem;font-weight:600;display:flex}.app-controls__upload input[type=file]{color:#f2f2f7;min-height:44px;font-size:.95rem}.app-controls__field select{color:#f2f2f7;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:12px;min-width:120px;min-height:44px;padding:0 12px;font-size:1rem}.app-controls__playback{flex-wrap:wrap;align-items:center;gap:12px 16px;display:flex}.app-analyze-btn{color:#fff;cursor:pointer;background:#2b6cb0;border:none;border-radius:12px;min-height:44px;padding:0 20px;font-size:.95rem;font-weight:600}.app-analyze-btn:disabled{opacity:.45;cursor:default}.app-info-btn{color:#f2f2f7;cursor:pointer;background:#2c2c2ef2;border:1px solid #545458d9;border-radius:12px;min-height:44px;padding:0 18px;font-size:.95rem;font-weight:600}.app-info-btn--active{color:#64b5ff;background:#0a84ff29;border-color:#64b5ff}.app-info-btn:disabled{opacity:.45;cursor:default}.app-message{color:#64d2ff;flex-shrink:0;margin:0;padding:8px 22px 0;font-size:.92rem}.app-workspace{flex-direction:column;flex:1 1 0;min-height:0;padding:0;display:flex;overflow:hidden}.app-workspace>.score-viewer,.app-workspace>.guide-overlay,.app-workspace>.app-preview{flex:1 1 0;min-height:0}.app-preview{background:#1c1c1e;border:none;border-radius:0;min-height:0;display:block;overflow:auto}.app-preview__image{-webkit-user-select:none;user-select:none;width:100%;height:auto;display:block}.app-placeholder{text-align:center;background:#1c1c1ee6;border:1px dashed #545458cc;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;min-height:420px;padding:40px 28px;display:flex}.app-placeholder p{color:#aeaeb2;margin:0;font-size:1.05rem}.app-placeholder__hint{color:#636366!important;margin-top:10px!important;font-size:.9rem!important}@media (width<=700px){.app-shell{grid-template-rows:auto minmax(0,1fr);grid-template-columns:1fr}.app-library-slot{grid-area:1/1;width:100%;height:auto;max-height:min(42vh,320px);transition:max-height .28s cubic-bezier(.4,0,.2,1);overflow:visible}.app-shell--library-collapsed .app-library-slot{border:none;width:100%;min-height:0;max-height:0;overflow:hidden}.app-main{grid-area:2/1}.score-library{border-bottom:1px solid #545458a6;border-right:none}.app-library-expand-tab{border:1px solid #545458a6;border-top:none;border-radius:0 0 14px 14px;width:68px;height:34px;top:10px;left:50%;transform:translate(-50%);box-shadow:0 4px 18px #00000047}.app-library-expand-tab:active{transform:translate(-50%)scale(.96)}.app-library-expand-tab-icon--side{display:none}.app-library-expand-tab-icon--stack{display:block}.app-controls{flex-wrap:wrap}.app-main--edit{grid-template-rows:minmax(0,1fr) minmax(220px,34vh);grid-template-columns:1fr}}@media (width>=701px) and (width<=1100px){.app-shell:not(.app-shell--library-collapsed){--library-width:clamp(220px, 30vw, 280px)}.app-controls{gap:10px 12px;padding:10px 16px}.app-topbar{padding:12px 16px 8px}.app-topbar h1{font-size:1.35rem}}@media (width>=1024px){.app-topbar h1{font-size:1.85rem}.app-controls__upload input[type=file],.app-controls__field select{min-height:48px}}