:root{--ground: #142226;--sheet: #1b2e33;--raised: #24393f;--edge: #2f4a51;--bone: #eae4d6;--dim: #8fa5a8;--faint: #5f7b80;--pulse: #5fd9c2;--tab: #e5738f;--warn: #e8a33d;--chord: #9b8fd1;--mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--r: 6px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--ground);color:var(--bone);font-family:var(--sans);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--pulse);outline-offset:2px}.app{display:grid;grid-template-columns:232px minmax(0,1fr) 316px;height:100%}.rail{background:var(--ground);border-right:1px solid var(--edge);padding:20px 14px;overflow-y:auto}.stage{overflow-y:auto;padding:24px 32px 96px}.inspector{background:var(--ground);border-left:1px solid var(--edge);padding:16px 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