:root{--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, "Segoe UI", sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--color-bg:#f5f6f8;--color-surface:#fff;--color-surface-muted:#f9fafb;--color-sidebar:#111827;--color-sidebar-text:#f9fafb;--color-sidebar-muted:#9ca3af;--color-text:#111827;--color-muted:#6b7280;--color-border:#d1d5db;--color-border-soft:#e5e7eb;--color-accent:#2563eb;--color-accent-soft:#eff6ff;--color-on-accent:#fff;--color-danger:#b91c1c;--color-warning:#b45309;--color-success:#047857;--shadow-card:0 1px 2px #1118270f;--radius-card:14px;--radius-control:12px;--radius-small:8px;--space-page:32px;--content-wide:1080px;color:var(--color-text);background:var(--color-bg);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizelegibility}@media 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