@font-face {
    font-family: 'VolksschuleFont';
    src: url('../fonts/mm.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
}

body {
    text-align: center;
    font-family: 'VolksschuleFont', Arial, sans-serif;
}

button {
    font-family: 'VolksschuleFont', Arial, sans-serif; /* Wende die Schriftart auf Buttons an */
    display: inline-block;
    cursor: pointer;
}

.disabled-button {
    background-color: red;
    cursor: not-allowed;
}

form {
    display: block;
    margin-top: 20px;
}

.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #f0f8ff; /* Angenehme Hintergrundfarbe */
    padding: 30px; /* Mehr Platz für den Inhalt */
    width: 60%;
    max-width: 500px; /* Maximalbreite für größere Bildschirme */
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3); /* Dunklerer Schatten */
    border-radius: 10px; /* Abgerundete Kanten */
    z-index: 1000;
    text-align: center;
    font-size: calc(14px + 1vmin); /* Größere Schrift */
}

.page-title {
    font-size: calc(18px + 2vmin);
}

.instruction-text {
    font-size: calc(12px + 1.5vmin);
    margin-top: 10px;
}

.audio-text {
    margin-top: 20px;
    font-size: calc(14px + 1.5vmin);
}

.audio-button {
    margin-top: 10px;
}

.audio-play-button {
    background: none;
    border: none;
    cursor: pointer;
}

.audio-icon {
    width: calc(50px + 2vmin);
    height: calc(50px + 2vmin);
}

.correct-letter {
    color: green;
    font-weight: bold;
}

.thumbs-up-button {
    margin-top: 10px;
    cursor: pointer;
    background: none;
    border: none;
}

.thumbs-up-image {
    width: 80px;
    height: 80px;
}