.loader {
    border: 16px solid #f3f3f3;
    border-top: 16px solid #3498db;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
}

.recall-hidden {
    display: none;
}

.recall_table {
    border-collapse: collapse;
}

.itemCell {
    border: 1px solid lightgray;
}

.itemActive {
    background-color: lightblue;
}

.enumerationCell {
    white-space: nowrap;
    border: none;
    padding-left: 15px;
    font-weight: lighter;
}

.recall-help-card {
    border: 1px solid #dee2e6;
    border-radius: 0.4rem;
    background-color: #f8f9fa;
    padding: 0.85rem 1rem;
    max-width: 960px;
}

.recall-help-card .h5 {
    margin-bottom: 0.4rem;
}

.recall-advanced {
    border: 1px solid #dee2e6;
    border-radius: 0.4rem;
    background-color: #ffffff;
    padding: 0.6rem 0.75rem;
    max-width: 960px;
}

.recall-advanced-summary {
    cursor: pointer;
    font-weight: 600;
}

.recall-option-grid label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.recall-option-help {
    font-size: 0.875rem;
    color: #6c757d;
    margin-top: 0.2rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cell_correct {
    background-color: lawngreen;
    font-weight: bold;
}

.cell_wrong {
    background-color: red;
    font-weight: bold;
}

.cell_spelling_mistake {
    background-color: lightgoldenrodyellow;
    font-weight: bold;
}

.cell_gap {
    background-color: skyblue;
    font-weight: bold;
}

.cell_not_reached {
    background-color: whitesmoke;
    font-weight: bold;
}

.cell_off_limits {
    background-color: gray;
    font-weight: bold;
}