:root{--pg-bg:#ffffff;--pg-card:#ffffff;--pg-muted:#f7f8fa;--pg-border:#e8ecf1;--pg-primary:#2563eb;--pg-success:#10b981;--pg-warning:#f59e0b;--pg-danger:#ef4444;--pg-text:#0f172a;--pg-subtext:#64748b;--pg-spacing-xs:0.5rem;--pg-spacing-sm:0.75rem;--pg-spacing-md:1rem;--pg-spacing-lg:1.5rem;--pg-spacing-xl:2rem;--pg-spacing-2xl:3rem;--pg-radius-sm:0.375rem;--pg-radius-md:0.5rem;--pg-radius-lg:0.75rem;--pg-radius-xl:1rem;--pg-shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--pg-shadow-md:0 4px 6px -1px rgb(0 0 0/0.1),0 2px 4px -2px rgb(0 0 0/0.1);--pg-shadow-lg:0 10px 15px -3px rgb(0 0 0/0.1),0 4px 6px -4px rgb(0 0 0/0.1);--pg-transition:all 0.2s cubic-bezier(0.4,0,0.2,1);--pg-transition-fast:all 0.15s cubic-bezier(0.4,0,0.2,1);--pg-transition-slow:all 0.3s cubic-bezier(0.4,0,0.2,1)}@media (prefers-color-scheme:dark){:root{--pg-bg:#0b1020;--pg-card:#1e293b;--pg-muted:#334155;--pg-border:#475569;--pg-text:#f1f5f9;--pg-subtext:#94a3b8}}