:root{--color-surface-primary:#ffffff;--color-surface-secondary:#f8fafc;--color-surface-tertiary:#f1f5f9;--color-border-subtle:#e2e8f0;--color-border-medium:#cbd5e1;--color-text-primary:#1e293b;--color-text-secondary:#475569;--color-accent-primary:#3b82f6;--color-accent-secondary:#8b5cf6;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444}@media (prefers-color-scheme:dark){:root{--color-surface-primary:#0f172a;--color-surface-secondary:#1e293b;--color-surface-tertiary:#334155;--color-border-subtle:#334155;--color-border-medium:#475569;--color-text-primary:#f1f5f9;--color-text-secondary:#cbd5e1}}