.skeleton {
    background-color: #e0e0e0;
    border-radius: 5px;
    min-height: 1rem;
    animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}