.expanded {
    box-shadow: 0 0 0 3px #93c5fd44;
    background: #f0f7ff;
    transition: all 0.3s;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px);}
    to { opacity: 1; transform: translateY(0);}
}
.animate-fadeIn { animation: fadeIn 0.3s; }