:root{--color-bg: #ffffff;--color-fg: #0a0a0a;--color-muted: #6b7280;--color-accent: #000000;--color-border: #e5e7eb;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, monospace;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.5rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--duration-fast: .15s;--duration-normal: .3s;--ease-out-expo: cubic-bezier(.16, 1, .3, 1)}