.pb-appnav{position:sticky;top:0;z-index:40;box-sizing:border-box;min-height:44px;display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px;padding:5px 12px;background:#1f2937;color:#f9fafb;border-bottom:1px solid #111827;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.pb-appnav__brand{flex:0 0 auto;font-weight:700;font-size:12px;letter-spacing:.14em;color:#f9fafb;text-decoration:none}.pb-appnav__links{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.pb-appnav__link{font-size:12px;font-weight:500;color:#9ca3af;text-decoration:none;padding:4px 9px;border:1px solid #374151;border-radius:6px;white-space:nowrap;transition:color .15s ease,border-color .15s ease,background .15s ease}.pb-appnav__link:hover{color:#f9fafb;border-color:#4b5563}.pb-appnav__link[aria-current=page]{color:#f9fafb;background:#374151;border-color:#4b5563}