.pwa-install-btn{position:relative;overflow:hidden;transition:.3s}.pwa-install-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.2)}.pwa-install-btn.nav-link{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);border-radius:6px;padding:.5rem 1rem;margin-left:.5rem}.pwa-install-btn.nav-link:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}.toast{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.offline-indicator{position:fixed;top:70px;right:20px;z-index:9999;background:rgba(220,53,69,.9);color:#fff;padding:.5rem 1rem;border-radius:6px;font-size:.85rem;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2)}.online-indicator{background:rgba(25,135,84,.9)}@media (max-width:768px){.pwa-install-btn.nav-link{margin-left:0;margin-top:.5rem;padding:.4rem .8rem;font-size:.85rem}.toast{right:10px;left:10px;top:10px;width:auto}}