px;
    cursor: pointer;
    transition: all 0.2s;
}

.dataset-option:hover {
    border-color: var(--primary-color);
}

.dataset-option.selected {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.dataset-option input[type="number"] {
    width: 80px;
    margin-left: auto;
}

.start-button {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

.progress-section {
    display: none;
    margin-top: 30px;
}

.progress-bar {
    width: 100%;
    height: 30px;
    back