:root{color-scheme:light;--ink: #202225;--muted: #68707a;--line: #d7dce2;--paper: #fbfaf6;--surface: #f0f4f7;--panel: #ffffff;--accent: #2563a8;--accent-dark: #184677;--blue: #2563a8;--shadow: 0 18px 44px rgba(32, 34, 37, .12)}*{box-sizing:border-box}html,body{height:100%}html{-webkit-text-size-adjust:100%}body{margin:0;overflow:hidden;color:var(--ink);background:var(--surface);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}input{color:inherit}.app{display:grid;grid-template-columns:292px minmax(0,1fr);height:100vh;height:100dvh;min-height:0;overflow:hidden}.sidebar{display:flex;flex-direction:column;gap:14px;min-height:0;padding:18px;border-right:1px solid var(--line);background:#e8edf0;overflow-y:auto;overscroll-behavior:contain}.brand{display:grid;grid-template-columns:54px 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h2{margin-bottom:8px;font-size:12px}.figure-grid{grid-template-columns:repeat(7,44px)}.edit-grid{grid-template-columns:repeat(5,46px)}.clef-grid{grid-template-columns:repeat(3,44px)}.time-grid{grid-template-columns:repeat(4,44px)}.accidental-grid,.bar-grid{grid-template-columns:repeat(5,44px)}.dynamic-list{grid-template-columns:repeat(4,54px)}.tool-button,.icon-command{min-width:44px;min-height:44px}.figure-button,.quick-tool-button,.time-button,.bar-button,.modifier-button{width:44px;height:44px}.dynamic-button{width:54px;height:44px}.time-controls,.key-controls{grid-template-columns:minmax(92px,1fr) minmax(92px,1fr)}.workspace{min-height:0}.topbar{grid-template-columns:minmax(180px,1fr);gap:8px;padding:8px 12px}.score-heading,.top-tools{grid-column:1;width:100%;max-width:none}.piece-title{font-size:17px}.piece-subtitle{font-size:13px;text-align:center}.top-tools{justify-content:center}.top-actions{justify-content:center;gap:6px}.command{min-height:40px;padding:0 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