.walkthrough-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); /* dimmed background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.walkthrough-modal {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 3vw;
    max-width: 50vw;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.walkthrough-step .step-number {
    font-size: 1.5vw;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1vh;
}

.walkthrough-step .step-text {
    font-size: 1.2vw;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 2vh;
}

.walkthrough-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 1vh;
}

.hidden {
    display: none !important;
}

.tooltip {
    position: relative;
    cursor: help;
    display: inline-block;
}

.survey-container .tooltip .tooltip-text {
    visibility: hidden;
    max-width: 250px;
    background-color: black;
    color: #fff;
    text-align: left;
    padding: 6px 8px;
    border-radius: 4px;

    position: absolute;
    z-index: 1;
    bottom: 125%; 
    left: 50%;
    transform: translateX(-50%);
    white-space: normal;
    word-wrap: break-word;

    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 90%;
}