.category-card {
    height: 180px;
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
    position: relative;
    overflow: hidden;
    background: #333;
    margin-bottom: 16px;
    transition: box-shadow 0.2s, border 0.2s;
}
.category-card.selected {
    box-shadow: 0 0 0 3px #0d6efd;
    border: none;
}
.category-image {
    object-fit: cover;
    width: 100%;
    height: 100%;
    display: block;
}
.category-overlay {
    position: absolute;
    inset: 0;
    background: rgba(30,30,30,0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.text-shadow {
    text-shadow: 0 2px 12px #000, 0 1px 1px #000;
    font-size: 1.4rem;
}