:root{--color-primary:#121212;--color-secondary:#3b82f6;--color-success:#16a34a;--color-error:#dc2626;--color-warning:#d97706;--color-bg-primary:#fff;--color-bg-secondary:#f7f7f7;--color-text-primary:#121212;--color-text-secondary:#6b7280;--color-text-inverse:#fff;--color-text-disabled:rgba(18,18,18,.4);--color-border:#e5e7eb;--font-family-primary:'Inter','Roboto',-apple-system,BlinkMacSystemFont,sans-serif;--font-weight-regular:400;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-heavy:900;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1.125rem;--font-size-lg:1.25rem;--font-size-xl:1.5rem;--font-size-2xl:clamp(1.75rem,3vw,3rem);--font-size-3xl:clamp(2.5rem,5vw,4.5rem);--line-height-tight:1.2;--line-height-normal:1.6;--line-height-relaxed:1.8;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:32px;--radius-full:9999px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px rgba(0,0,0,.07);--shadow-lg:0 10px 15px rgba(0,0,0,.1);--transition-fast:.2s ease;--transition-base:.3s ease;--max-width-content:720px;--max-width-wide:1200px;--header-height:64px;--header-height-mobile:56px}@media (prefers-color-scheme:dark){:root{--color-primary:#f7f7f7;--color-secondary:#60a5fa;--color-success:#4ade80;--color-error:#f87171;--color-warning:#fbbf24;--color-bg-primary:#191919;--color-bg-secondary:#2a2a2a;--color-text-primary:#f7f7f7;--color-text-secondary:rgba(247,247,247,.6);--color-text-inverse:#121212;--color-text-disabled:rgba(247,247,247,.4);--color-border:rgba(247,247,247,.12);--shadow-sm:0 1px 2px rgba(0,0,0,.2);--shadow-md:0 4px 6px rgba(0,0,0,.3);--shadow-lg:0 10px 15px rgba(0,0,0,.4)}}