.categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1.2rem;
    width: 100%;
    padding: 0.5rem 1rem;
    overflow-y: auto;
    flex-grow: 1;
}


.inputGroup {
    width: 100%;
    min-width: 0;
}

.inputGroup label {
    font-family: vazir, sans-serif;
    display: block;
    width: 100%;
    background-color: var(--container-bg);
    padding: 0.8rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 900;
    text-align: center;
    color: var( --heading-color);
    border: 3px solid var( --heading-color);
    border-radius: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 3px 6px rgba(151, 153, 254, 0.2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.inputGroup label:hover {
    background-color: var(--button-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(151, 153, 254, 0.3);
}

.inputGroup input:checked ~ label {
    background-color: var( --heading-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(151, 153, 254, 0.4);
}


@media screen and (max-width: 500px) {
    .categories {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 0.8rem;
        padding: 0.5rem;
    }

    .inputGroup label {
        font-size: 0.85rem;
        padding: 0.7rem 0.3rem;
    }
}

@media screen and (max-width: 375px) {
    .categories {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.7rem;
    }
}

@media screen and (max-width: 320px) {
    
    .categories {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 0.6rem;
    }
    
    .inputGroup label {
        font-size: 0.8rem;
        padding: 0.6rem 0.2rem;
    }
}