.game-canvas, .game-image {
    max-width: 100%;
    height: auto;
    display: block; /* text box overlay */
}

.game-board {
    position: relative; /* text box overlay */
    align-content: center;
    width: 100%;
    max-width: 430px; /* or whatever your ideal mobile width is */
    margin: 10px auto 0 auto;
    background-image: radial-gradient(circle at 38% 32%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 8%,transparent 8%, transparent 92%),radial-gradient(circle at 34% 62%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 8%,transparent 8%, transparent 92%),radial-gradient(circle at 3% 32%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 6%,transparent 6%, transparent 94%),radial-gradient(circle at 28% 87%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 6%,transparent 6%, transparent 94%),radial-gradient(circle at 15% 30%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 6%,transparent 6%, transparent 94%),radial-gradient(circle at 64% 45%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 6%,transparent 6%, transparent 94%),radial-gradient(circle at 3% 100%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 6%,transparent 6%, transparent 94%),radial-gradient(circle at 74% 78%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 4%,transparent 4%, transparent 96%),radial-gradient(circle at 92% 23%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 4%,transparent 4%, transparent 96%),radial-gradient(circle at 100% 40%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 4%,transparent 4%, transparent 96%),radial-gradient(circle at 43% 31%, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.03) 4%,transparent 4%, transparent 96%),linear-gradient(90deg, rgb(164, 0, 244),rgb(57, 10, 184));
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    border: 1px solid black;
    background-color: #e6e6e6;
    border-radius: 15px;
}

/* text box overlay */
.narration-overlay {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-height: 20%;
    overflow-y: hidden;
    padding: 12px;
    background: rgba(0, 0, 0, 0.20);
    color: white;
    border-radius: 8px;
    backdrop-filter: blur(4px);
    font-size: 1rem;
    line-height: 1.4;
}

.game-title {
    color: white;
    font-family: 'Fredoka', sans-serif;
    text-align: center;
    width: 100%;
    margin-top: 10px;
}

    .game-title:focus {
        outline: none;
    }

.next-button {
    display: inline-block;
    padding: 12px 22px;
    margin-top: 16px;
    background: rgba(0, 0, 0, 0.55); /* translucent black */
    color: white;
    border: none;
    border-radius: 8px;
    backdrop-filter: blur(4px); /* frosted glass */
    -webkit-backdrop-filter: blur(4px);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.25s ease;
}

    /* Hover */
    .next-button:hover, .next-button:active {
        background: rgba(0, 0, 0, 0.75);
        transform: translateY(-2px);
    } /* Mobile tap highlight removal */

    .next-button:focus {
        outline: none;
    }