:root{--a2-bg:#f8fafc;--a2-surface:#ffffff;--a2-text:#1e293b;--a2-muted:#64748b;--a2-border:#e2e8f0;--a2-accent:#2563eb;--a2-accent-light:#dbeafe;--a2-accent-dark:#1d4ed8;--a2-danger:#ef4444;--a2-danger-light:#fee2e2;--a2-danger-dark:#b91c1c;--a2-success:#22c55e;--a2-sidebar-bg:#ffffff;--a2-sidebar-text:#475569;--a2-sidebar-active-bg:#eff6ff;--a2-shadow:0 4px 6px -1px rgba(0,0,0,0.04),0 2px 4px -2px rgba(0,0,0,0.04)}