:root{--brand-blue:#2563eb;--brand-violet:#7c3aed;--brand-gradient:linear-gradient(90deg,var(--brand-blue),var(--brand-violet));--brand-gradient-135:linear-gradient(135deg,var(--brand-blue),var(--brand-violet));--brand-blue-tint-from:#e9f0ff;--brand-blue-tint-to:#eaf4ff;--brand-violet-tint-from:#f1ebfe;--brand-violet-tint-to:#e9e2fd;--tooltip-header:#5b21b6;--tooltip-header-foreground:#ffffff;--tooltip-surface:#f5f3ff;--tooltip-surface-foreground:#475569;--ink:#16162b;--text:#1a1a2e;--text-muted:#475569;--text-subtle:#64748b;--surface:#ffffff;--surface-page:#f6f8fb;--line:#eef0f4;--shadow-sm:0 1px 3px rgba(0,0,0,0.04);--shadow-md:0 6px 20px rgba(0,0,0,0.05);--shadow-lg:0 10px 30px rgba(0,0,0,0.14);--shadow-brand:0 14px 30px rgba(124,58,237,0.32);--text-display:clamp(2rem,6vw,2.6rem);--text-h1:clamp(1.7rem,5vw,2.3rem);--text-h2:clamp(1.5rem,4.5vw,1.8rem);--text-lead:clamp(1rem,2.5vw,1.12rem);--text-body:1rem;--text-small:0.9rem;--text-caption:clamp(0.72rem,2.3vw,0.8rem)}.dark{--ink:#f4f4fb;--text:#e8e8f0;--text-muted:#a9b0c0;--text-subtle:#8b93a7;--surface:#16161f;--surface-page:#0f0f17;--line:rgba(255,255,255,0.1)}