:root{--font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--radius-sm: 4px;--radius-md: 7px;--radius-lg: 11px;--rail-width: 52px;--panel-width: 304px;--inspector-width: 292px;--topbar-height: 48px;--playbar-height: 60px;--ease: cubic-bezier(.2, 0, 0, 1)}:root,[data-theme=light]{color-scheme:light;--bg: #eef1f5;--surface: #ffffff;--surface-2: #f5f7fa;--surface-3: #e9edf3;--border: #d7dde6;--border-strong: #c2cad6;--text: #16202e;--text-dim: #5c6879;--text-faint: #79838f;--accent: #2f6df6;--accent-soft: #e4ecfe;--accent-text: #ffffff;--danger: #d23f3f;--warn: #c98a12;--ok: #1f9d55;--shadow: 0 1px 2px rgba(18, 26, 38, .06), 0 8px 24px rgba(18, 26, 38, .08)}[data-theme=dark]{color-scheme:dark;--bg: #0f1319;--surface: #171c24;--surface-2: #1d232c;--surface-3: #252c37;--border: #2a313c;--border-strong: #3a434f;--text: #e8edf4;--text-dim: #9aa5b4;--text-faint: #8590a0;--accent: #5a9bff;--accent-soft: #1b2c48;--accent-text: #08121f;--danger: #ef6a6a;--warn: #e0a83c;--ok: #43c07d;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-ui);font-size:13px;line-height:1.45;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:6px;border:3px solid transparent;background-clip:content-box}::-webkit-scrollbar-track{background:transparent}.app{display:grid;height:100%;grid-template-columns:var(--rail-width) auto 1fr auto;grid-template-rows:var(--topbar-height) 1fr auto;grid-template-areas:"top top top top" "rail panel stage inspector" "play play play 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