html, body { 
    margin: 0; padding: 0; width: 100vw; height: 100dvh; 
    -webkit-tap-highlight-color: transparent; 
}
::-webkit-scrollbar { display: none; }
.fade-enter-active, .fade-leave-active { transition: opacity 0.4s ease; }
.fade-enter-from, .fade-leave-to { opacity: 0; }