.tcw-overlay { transition: opacity 0.3s ease; }
.tcw-popup { animation: fadeInUp 0.25s ease-out; box-shadow: 0 10px 25px rgba(0,0,0,0.2); }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}