body {
    font-family: 'Lato', sans-serif;
    margin: 0;
    padding: 0;
    background: #1A2B4E;
    color: #fff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
    padding-top: 80px;
}

.back-link {
    position: absolute;
    top: 20px;
    left: 20px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

.explanation-section {
    margin: 60px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    position: relative;
    z-index: 1;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#questions-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.question-box {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease, height 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
    overflow: hidden;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

    .question-box.expanded {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        z-index: 3;
        background: rgba(255, 255, 255, 0.2);
    }

.question-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.radio-button {
    position: absolute;
    top: 10px;
    left: 10px;
}

.expand-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

h3 {
    margin-top: 0;
    padding-left: 30px;
}

.question-text {
    margin-top: 10px;
    display: block;
}

.sub-options {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: nowrap; /* Prevent wrapping */
}

.sub-option {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 5px;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
    min-width: 0; /* Allow content to shrink if needed */
}

.hidden {
    display: none;
}

.label-link {
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 5px;
    background-color: transparent;
    transition: background-color 0.3s;
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 5px;
}

    .label-link.active {
        background-color: #4CAF50;
    }

.labels-container {
    display: flex;
    gap: 10px;
    color: #fff;
    font-size: 24px;
}

header {
    background: rgba(26, 43, 78, 0.9);
    color: #fff;
    padding: 10px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.question-box.selected {
    border-color: #4CAF50; /* Green */
}

.question-box.unselected {
    border-color: #FF5252; /* Red */
}

.sub-option.selected {
    border-color: #4CAF50; /* Green */
}

.sub-option.unselected {
    border-color: #FF5252; /* Red */
}

.sub-option-explanation {
    display: none;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px;
    margin-top: 10px;
    border-radius: 5px;
    font-size: 0.9em;
}

.question-box.expanded .sub-option-explanation {
    display: block;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
        margin-right: 40px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    #questions-container {
        grid-template-columns: 1fr;
    }

    .sub-options {
        flex-direction: column;
    }

    .sub-option {
        width: 100%;
    }
}

footer {
    text-align: center;
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    position: relative;
    width: 100%;
    margin-top: 40px;
}

    footer p {
        margin: 0;
    }

.cell-explanation {
    display: none;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px;
    margin-top: 10px;
    border-radius: 5px;
    font-size: 0.9em;
}

.question-box.expanded .cell-explanation {
    display: block;
}