/* Level indicators */
.level-indicator {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    margin: 2px;
    text-align: center;
    background-color: #e0e0e0;
    color: #333;
    border-radius: 4px;
    font-weight: bold;
    cursor: default;
}
.level-indicator.level-completed {
    background-color: #4caf50;
    color: white;
}

/* Correct and wrong digit styles */
.correct-digit {
    color: green;
    font-weight: bold;
    font-size: 20px;
}
.wrong-digit {
    color: red;
    font-weight: bold;
    font-size: 20px;
}

/* Input section styling */
#nmg-input-section input {
    font-size: 18px;
    padding: 6px;
    width: 180px;
}
#nmg-submit-btn {
    font-size: 16px;
    padding: 6px 10px;
    margin-left: 5px;
}

/* Buttons */
#nmg-start-btn, #nmg-quit-btn {
    margin-top: 10px;
    padding: 8px 16px;
    font-size: 16px;


}

.level-indicator {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    margin: 2px;
    text-align: center;
    background-color: #e0e0e0;
    color: #333;
    border-radius: 4px;
    font-weight: bold;
    cursor: default;
}
.level-indicator.level-completed {
    background-color: #4caf50;
    color: white;
}
.correct-digit {
    color: green;
    font-weight: bold;
    font-size: 20px;
}
.wrong-digit {
    color: red;
    font-weight: bold;
    font-size: 20px;
}
#nmg-start-btn {
    background-color: #4caf50;
    color: white;
    border: none;
    padding: 8px 16px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
}
#nmg-quit-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 8px 16px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
}
#nmg-try-again-btn {
    background-color: #ffc107;
    color: black;
    border: none;
    padding: 8px 16px;
    font-size: 16px;
    border-radius: 6px;
    margin-top: 10px;
    cursor: pointer;
}