/* Default styling for all screens */
body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f7f7f7;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #009688;
    color: #fff;
    padding: 10px;
    font-size: 18px;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 80vh;
}

.card {
    width: 300px;
    height: 200px;
    background-color: #f1f1f1;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    cursor: pointer;
    margin-bottom: 20px;
}

.card-front, .card-back {
    padding: 20px;
    text-align: center;
    font-size: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-front {
    background-color: #fff;
    color: #333;
    border-bottom: 1px solid #ccc;
}

.card-back {
    display: none;
    background-color: #fff;
    color: #009688;
}

.button-container {
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #009688;
    color: #fff;
    border: none;
    border-radius: 5px;
    margin-right: 10px;
}

#score-display {
    margin-top: 20px;
    font-size: 18px;
    color: #009688;
}

/* New styles for feedback message */
#feedback-message {
    font-size: 24px; /* Adjust font size for feedback message */
    margin-top: 10px; /* Add margin to separate feedback from the card */
}

/* Mobile-specific styles */
@media (max-width: 768px) {
    .app-container {
        background-color: #fff;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        padding: 20px;
    }

    .card {
        width: 90%;
        margin-bottom: 15px;
    }

    .header {
        font-size: 24px;
    }

    .card-front, .card-back {
        font-size: 18px;
    }

    .button-container button {
        font-size: 18px;
        padding: 12px 25px;
    }

    #score-display {
        font-size: 20px;
    }

    /* Adjust feedback message font size for mobile */
    #feedback-message {
        font-size: 20px;
    }
}

/* Desktop-specific styles */
@media (min-width: 769px) {
    .app-container {
        background-color: transparent;
        box-shadow: none;
        padding: 0;
    }

    .card {
        width: 300px;
        margin-bottom: 20px;
    }
}