:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg-app: #f5f5f5;--bg-surface: #f8f9fa;--bg-panel: #ffffff;--bg-info: #f5f5f5;--bg-info-blue: #e3f2fd;--border-subtle: #e9ecef;--border-input: #e0e0e0;--text-primary: #333333;--text-label: #424242;--text-muted: #666666;--text-faint: #888888;--info-text: #1565c0;--info-border: #1976d2;--info-accent: #90caf9;--accent: #1976d2;--accent-hover: #1565c0;--accent-active: #0d47a1;--canvas-border: #333333;--warning-text: #e65100}[data-theme=dark]{--bg-app: #1a1a2e;--bg-surface: #1e1e2e;--bg-panel: #252535;--bg-info: #2a2a3a;--bg-info-blue: #1a2a3a;--border-subtle: #3a3a4a;--border-input: #4a4a5a;--text-primary: #e0e0e0;--text-label: #c0c0c0;--text-muted: #8888a0;--text-faint: #7070a0;--info-text: #90caf9;--info-border: #5b9bd5;--info-accent: #5b9bd5;--accent: #5b9bd5;--accent-hover: #4a8ac4;--accent-active: #3a7ab3;--canvas-border: #5a5a6a;--warning-text: #ff8c42}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-panel)}#root{min-height:100vh;background-color:var(--bg-panel)}