.wpuk-readability-score {
    padding: 10px;
    max-width: 300px;
}

.wpuk-readability-score .score-display {
    text-align: center;
    margin-bottom: 15px;
    min-height: 60px;
    transition: all 0.3s ease;
}

.wpuk-readability-score .score-value {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 5px;
    padding: 10px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    line-height: 30px;
    margin: 0 auto 10px;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wpuk-readability-score .score-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.wpuk-readability-score .score-updated {
    font-size: 12px;
    color: #888;
    font-style: italic;
}

/* Score value colors based on Flesch Reading Ease Score (0-100) */
.wpuk-readability-score .score-very-easy {
    background-color: #4CAF50;
}

.wpuk-readability-score .score-easy {
    background-color: #8BC34A;
}

.wpuk-readability-score .score-fairly-easy {
    background-color: #CDDC39;
}

.wpuk-readability-score .score-fairly-difficult {
    background-color: #FF9800;
}

.wpuk-readability-score .score-difficult {
    background-color: #FF5722;
}

.wpuk-readability-score .score-very-difficult {
    background-color: #F44336;
}

/* Button styles */
.wpuk-readability-score .calculate-score {
    width: 100%;
    margin-top: 10px;
    position: relative;
    padding: 5px 15px;
    background: #2271b1;
    border-color: #2271b1;
    color: #fff;
    cursor: pointer;
    border-radius: 3px;
    border-width: 1px;
    border-style: solid;
    border-radius: 25px;
}

.wpuk-readability-score .calculate-score:hover {
    background: #135e96;
    border-color: #135e96;
    color: #fff;
}

.wpuk-readability-score .calculate-score.is-busy {
    color: transparent;
}

.wpuk-readability-score .calculate-score.is-busy::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    border-top-color: #fff;
    animation: wpuk-spin 0.6s linear infinite;
}

/* Messages */
.wpuk-readability-score .error-message {
    color: #dc3232;
    padding: 10px;
    background: #fbeaea;
    border-left: 4px solid #dc3232;
    margin-bottom: 10px;
}

.wpuk-readability-score .info-message {
    color: #0073aa;
    padding: 10px;
    background: #f0f6fc;
    border-left: 4px solid #0073aa;
    margin-bottom: 10px;
}

/* Animations */
@keyframes wpuk-spin {
    to { transform: rotate(360deg); }
}

.wpuk-readability-score .updated {
    animation: highlight 1s ease-out;
}

@keyframes highlight {
    0% { background-color: #fff9c4; }
    100% { background-color: transparent; }
}

/* Preview Elements */
.demo-scores {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 20px 0;
}

/* Score value colors based on Flesch Reading Ease Score (0-100) */
.wpuk-readability-score .score-very-easy {
    background-color: #4CAF50; /* Green */
    color: #fff;
}

.wpuk-readability-score .score-easy {
    background-color: #8BC34A; /* Light Green */
    color: #fff;
}

.wpuk-readability-score .score-fairly-easy {
    background-color: #CDDC39; /* Lime */
    color: #333; /* Darker text for better contrast */
}

.wpuk-readability-score .score-standard {
    background-color: #FFC107; /* Amber */
    color: #333; /* Darker text for better contrast */
}

.wpuk-readability-score .score-fairly-difficult {
    background-color: #FF9800; /* Orange */
    color: #fff;
}

.wpuk-readability-score .score-difficult {
    background-color: #FF5722; /* Deep Orange */
    color: #fff;
}

.wpuk-readability-score .score-very-difficult {
    background-color: #F44336; /* Red */
    color: #fff;
}