body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom, #0077be, #00aaff);
    color: #333;
    text-align: center;
    margin: 0;
    padding: 0;
}

h1 {
    background: #0074D9;
    color: white;
    padding: 1rem;
    margin: 0;
}

canvas {
    border: 1px solid #888;
    background: white;
    display: block;
    margin: 1em auto;
    border-radius: 8px
}

#quiz,
#defi {
    display: none;
    margin-top: 20px;
}

#quiz {
    font-weight: bold;
    background: #dddddd
}

#score,
#chrono,
#progression {
    font-size: 1.3em;
    font-weight: bold;
    background: #f4f4f4;
    padding: 8px 14px;
    border-radius: 10px;
    display: inline-block;
    color: #333;
}

.sonar-img {
    width: 20vw;
    max-width: 80px;
    cursor: pointer;
    border: 3px solid transparent;
    border-radius: 8px;
    transition: 0.3s ease;
}

.sonar-img:hover:not(.done) {
    transform: scale(1.05);
}

.sonar-img.done {
    opacity: 0.3;
    cursor: not-allowed;
}

.sonar-img.selected {
    //border: 3px solid #00796b;
    box-shadow: 0 0 10px #004d40aa;
}

.boite {
    margin: 10px auto;
    width: 95%;
    padding: 1rem;
    max-width: 600px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}


@media screen and (max-width: 768px) {
    body {
        background: #eef2f3;
        padding: 0;
    }

    #chrono,
    #score,
    #progression {
        font-size: 0.95em;
        margin: 5px;
        padding: 6px 12px;
    }

    .sonar-img {
        width: 18vw;
        max-width: 70px;
        margin: 5px;
    }

    canvas {
        width: 100%;
        height: auto;
    }

    #info,
    #feedback,
    #quiz label {
        font-size: 1em;
    }

    button {
        font-size: 0.95em;
        padding: 10px;
        width: auto;
    }

    #popupFin>div {
        width: 90%;
        font-size: 1em;
    }
}

#info,
#quiz,
#blocEmettre {
    margin-top: 10px auto;
    font-weight: bold;
    margin: 10px auto;
    padding: 1rem;
    max-width: 600px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#aide,
#reel {
    margin: 10px auto;
    max-width: 600px;
    background: #f9fbe7;
    border-left: 5px solid #aed581;
    padding: 10px 15px;
    border-radius: 6px;
    text-align: left;
    /* Pour garder le texte aligné à gauche dans la boîte */
}

input[type="number"] {
    width: 100%;
    max-width: 150px;
    /* ne dépassera pas cette largeur */
    box-sizing: border-box;
    padding: 8px;
    font-size: 1em;
}