#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}
#score {
    margin-bottom: 10px;
    color: var(--secondary-neon);
    text-shadow: 0 0 8px var(--secondary-neon);
}
#game-grid {
    display: grid;
    grid-template-columns: repeat(35, 1fr);
    grid-template-rows: repeat(35, 1fr);
    width: 700px;
    height: 700px;
    border: 5px solid var(--primary-neon);
    box-shadow: 0 0 20px var(--primary-neon), inset 0 0 10px var(--primary-neon);
    background-color: var(--game-grid-background);
}
.cell {
    outline: 1px dotted var(--grey-control);
    outline-offset: -1px;
}
.snake {
    background-color: var(--secondary-neon);
    box-shadow: 0 0 5px var(--secondary-neon);
    transition: background-color 0.1s;
}
.coin {
    background-color: var(--primary-neon);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--primary-neon);
}
.coin-blink {
    animation: blink-coin 0.5s infinite alternate;
}
@keyframes blink-coin {
    from {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 15px var(--primary-neon);
    }
    to {
        opacity: 0.5;
        transform: scale(0.9);
        box-shadow: 0 0 5px var(--primary-neon);
    }
}
#mobile-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}
#mobile-controls div {
    display: flex;
}
#mobile-controls button {
    padding: 15px 25px;
    margin: 5px;
    font-size: 24px;
    cursor: pointer;
    border: 2px solid var(--primary-neon);
    background-color: var(--grey-control);
    color: var(--secondary-neon);
    border-radius: 8px;
    user-select: none;
    transition: opacity 0.1s;
}
#mobile-controls button.disabled-control {
    opacity: 0.3;
    cursor: default;
    box-shadow: none;
}
@media (max-width: 768px) {
    #game-grid {
        width: 90vw;
        height: 90vw;
        border-width: 3px;
    }
}