#chem-shared-nav{position:sticky;top:0;z-index:999999;padding:9px 12px;background:#100b26f5;border-bottom:1px solid #8058c4;backdrop-filter:blur(12px);font:700 13px system-ui;color:#f5ecff}#chem-shared-nav .cs-row{max-width:1180px;margin:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:thin}#chem-shared-nav a{flex-shrink:0;padding:9px 12px;color:#e9dfff;background:#2a1b4b;border:1px solid #4c3477;border-radius:11px;text-decoration:none;white-space:nowrap}#chem-shared-nav a.cs-active{background:#6744ae;border-color:#a58ef2}#chem-shared-nav a.cs-exit{background:#4f254e;border-color:#bb6599}