/* Modal styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 20px;
    border-radius: 8px;
    max-width: 400px;
    text-align: center;
}

.modal-overlay.active {
    display: flex;
}

.difficulty-veryeasy {
    background-color: limegreen;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
}

.difficulty-easy {
    background-color: deepskyblue;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
}

.difficulty-medium {
    background-color: yellow;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
}

.difficulty-challenging {
    background-color: orange;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
}

.difficulty-hard {
    background-color: red;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
}


.difficulty-extreme {
    background-color: black;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
    cursor: pointer;
}

.difficulty-none {
    background-color: white;
    display: inline-block;
    width: 6px;
    height: 1em;
    margin-right: 5px;
    cursor: pointer;
}

.color-box {
    width: 20px;
    height: 20px;
    border: 1px solid #ccc;
    display: inline-block;
    margin-right: 5px;
    vertical-align: middle;
}

.color-white {
    background-color: white;
}

.color-green {
    background-color: green;
}

.color-blue {
    background-color: blue;
}

.color-yellow {
    background-color: yellow;
}

.color-orange {
    background-color: orange;
}

.color-red {
    background-color: red;
}

.color-black {
    background-color: black;
}