.like-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    transition: transform 0.2s ease, color 0.2s ease;
    color: #888; /* neutral until liked */
    margin-right: 0.5em;
}

.like-btn:hover {
    transform: scale(1.2);
    color: red;
}

.like-btn:active {
    transform: scale(1);
}

.like-btn.liked {
    color: #e63946; /* intense red */
}