.container{
    display: grid;
    grid-template-columns: .15fr .85fr;
    grid-gap: 20px;
}

.filter-form{
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    box-shadow: 8px 8px 16px rgba(0, 0, 0, 0.15);
    height: 700px;
}

.filter-form a{
    text-decoration: none;
    color: black;
    padding: 15px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    margin: 10px;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.15);
}

.filter-form a.active {
    color: white;
    background-color: var(--main-color);
    transition: background-color 0.5s ease;
}

.filter-form-title {
    font-weight: bold;
    font-size: 2rem;
    background-color: var(--main-color);
    padding: 15px;
    color: white;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    
}

.main-container {
    padding: 0 2rem 0 2rem;
    border: 1px solid rgba(0, 0, 0, 0.15);
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Four equal columns */
    gap: 16px; /* Space between items */
    height: 700px;
    overflow-y: scroll;
    overflow-x: hidden;
    border-radius: 10px;
    box-shadow: 8px 8px 16px rgba(0, 0, 0, 0.15);
}

.main-container::-webkit-scrollbar {
    width: 20px;
}

.main-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.main-container::-webkit-scrollbar-thumb {
    background-color: var(--main-color);
    border-radius: 10px;
    border: 6px solid #f1f1f1;
}

.main-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--main-color-darker);
}

.main-container .column{
    display: flex;
    flex-direction: column;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .container{
        display: grid;
        grid-template-columns: 1fr;
        margin: auto;
        width: 100%;
    }

    .filter-form{
        height: auto;
    }

    .main-container{
        padding: 0 1rem 0 2rem;
        grid-template-columns: 1fr;
    }
    .main-container::-webkit-scrollbar {
        width: 20px;
    }
}