:root {
 --bg-canvas:#020617; --bg-raised:#0F172A; --bg-inset:#111827; --text-primary:#F8FAFC; --text-secondary:#CBD5E1; --text-muted:#94A3B8;
 --border-subtle:#334155; --border-strong:#64748B; --brand-primary:#4F46E5; --brand-hover:#4338CA; --brand-active:#818CF8;
 --warning:#CA8A04; --success:#16A34A; --focus:#A5B4FC; --shell:1380px;
}