.shell{flex-direction:column;min-height:100svh;display:flex}.shell-main{flex:1;order:1;min-height:0}.shell-nav{z-index:20;padding:8px max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#05070bcc;border-top:1px solid #ffffff0f;order:2;justify-content:center;gap:8px;display:flex;position:sticky;bottom:0}.shell-tab{color:#bed7ee8c;letter-spacing:.18em;text-transform:uppercase;border-radius:12px;align-items:center;padding:8px 20px;font-size:10.5px;font-weight:600;text-decoration:none;display:flex}.shell-tab.active{color:#cfeaff;background:#288cff1f}@media (width>=860px){.shell{flex-direction:row}.shell-nav{border-top:none;border-right:1px solid #ffffff0f;flex-direction:column;order:0;justify-content:flex-start;gap:6px;height:100svh;padding:28px 14px;position:sticky;top:0;bottom:auto}}