:root{--uh-primary:#1677ff;--uh-primary-dark:#0d5bd7;--uh-purple:#7c3aed;--uh-yellow:#ffbf1f;--uh-green:#16b86a;--uh-cyan:#08b8d4;--uh-orange:#ff7a1a;--uh-pink:#f43f70;--uh-red:#ef4444;--uh-background:#f6f8fc;--uh-card:#fff;--uh-border:#e6eaf1;--uh-text:#111827;--uh-muted:#6b7280;--uh-radius:16px;--uh-shadow:0 8px 30px rgba(15,23,42,.08);--uh-sidebar:220px;--uh-topbar:72px;--uh-transition:180ms ease;font-synthesis:none}