*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;background:#f5f5f7;color:#1d1d1f}.app-nav{display:flex;align-items:center;gap:.25rem;padding:0 1.25rem;height:52px;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.08);position:sticky;top:0;z-index:100}.app-nav a{text-decoration:none;color:#3a3a3c;font-size:.875rem;font-weight:500;padding:.35rem .65rem;border-radius:6px;transition:background .12s,color .12s}.app-nav a:hover{background:#f0f0f5;color:#0071e3}.app-nav a.active{color:#0071e3}.app-nav-divider{width:1px;height:16px;background:#d1d1d6;margin:0 .1rem}