:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#eff6ff;--color-secondary:#64748b;--color-secondary-hover:#475569;--color-background:#fff;--color-surface:#f8fafc;--color-surface-hover:#f1f5f9;--color-border:#e2e8f0;--color-border-strong:#cbd5e1;--color-text:#0f172a;--color-text-muted:#64748b;--color-text-disabled:#94a3b8;--color-error:#dc2626;--color-error-light:#fef2f2;--color-success:#16a34a;--color-success-light:#f0fdf4;--color-warning:#d97706;--color-warning-light:#fffbeb;--color-accent:#2563eb;--font-family-base:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-family-mono:ui-monospace,"Cascadia Code","Source Code Pro",monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--spacing-1:0.25rem;--spacing-2:0.5rem;--spacing-3:0.75rem;--spacing-4:1rem;--spacing-6:1.5rem;--spacing-8:2rem;--spacing-12:3rem;--spacing-16:4rem;--spacing-24:6rem;--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--z-base:0;--z-raised:10;--z-dropdown:100;--z-overlay:200;--z-modal:300;--z-toast:400}