:root{--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--radius-pill:9999px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--space-24:96px;--transition-fast:150ms ease-out;--transition-normal:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:400ms cubic-bezier(0.4,0,0.2,1);--shadow-xs:0 1px 2px 0 rgba(0,0,0,.05);--shadow-sm:0 1px 3px 0 rgba(0,0,0,.08),0 1px 2px -1px rgba(0,0,0,.06);--shadow-md:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.04);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.05);--shadow-overlay:0 25px 50px -12px rgba(0,0,0,.25);--shadow-brand:0 4px 14px 0 rgba(59,130,246,.2);--background:#fff;--foreground:#0f172a;--surface-base:#fff;--surface-subtle:#f8fafc;--surface-card:#fff;--surface-overlay:#f1f5f9;--border-default:#e2e8f0;--border-muted:#f1f5f9;--border-strong:#cbd5e1;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-inverse:#fff;--color-brand:#2563eb;--color-brand-hover:#1d4ed8;--color-brand-light:#eff6ff;--color-brand-muted:#bfdbfe;--color-accent:#0ea5e9;--color-accent-hover:#0284c7;--color-accent-light:#f0f9ff;--color-success:#0d9488;--color-success-light:#f0fdfa;--color-warning:#f59e0b;--color-warning-light:#fffbeb;--color-error:#ef4444;--color-error-light:#fef2f2;--color-info:#3b82f6;--color-info-light:#eff6ff}.dark{--background:#0e0e0e;--foreground:#e5e2e1;--surface-base:#131313;--surface-subtle:#1c1b1b;--surface-card:#1c1b1b;--surface-overlay:#2a2a2a;--border-default:#353534;--border-muted:#201f1f;--border-strong:#3f4943;--text-primary:#e5e2e1;--text-secondary:#bec9c1;--text-muted:#88938c;--text-inverse:#0e0e0e;--color-brand:#3b82f6;--color-brand-hover:#60a5fa;--color-brand-light:#1e3a8a;--color-brand-muted:#1e40af;--color-accent:#7dd3fc;--color-accent-hover:#38bdf8;--color-accent-light:#0c4a6e;--color-success:#2dd4bf;--color-success-light:#134e4a;--color-warning:#fbbf24;--color-warning-light:#78350f;--color-error:#f87171;--color-error-light:#7f1d1d;--color-info:#60a5fa;--color-info-light:#1e3a8a}