.ph-app-nav{position:fixed;bottom:0;left:0;right:0;z-index:90;display:grid;grid-template-columns:repeat(4,1fr);padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:#08121bf5;border-top:1px solid #c6d9d02f;backdrop-filter:blur(16px)}.ph-app-nav a{display:flex;flex-direction:column;gap:3px;align-items:center;justify-content:center;min-height:44px;color:#b1c3d0;font:11px/1.3 system-ui,sans-serif;text-decoration:none}.ph-app-nav a>span:first-child{font-size:21px}.ph-app-nav a[aria-current=page]{color:#ecd4a6}.ph-app-nav a:focus-visible{outline:2px solid #ecd4a6;outline-offset:-2px}.ph-app-mode{padding-bottom:calc(82px + env(safe-area-inset-bottom))!important}.ph-app-mode .ph-launcher{bottom:calc(90px + env(safe-area-inset-bottom))!important}.ph-app-mode .ph-chat{bottom:calc(154px + env(safe-area-inset-bottom))!important;max-height:calc(100dvh - 180px)!important}.ph-app-mode .hub-motion-toggle{bottom:calc(90px + env(safe-area-inset-bottom))!important}.help-footer-link,.app-footer-link{display:inline-block;margin:12px;color:#c9ded5;font-size:12px}