div#app { --scheme-bg-color: #29adff; --scheme-fg-color: white; }
div#app.scheme-1 { --scheme-bg-color: #ff004d; --scheme-fg-color: white; }
div#app.scheme-2 { --scheme-bg-color: #ff77a8; --scheme-fg-color: white; }
div#app.scheme-3 { --scheme-bg-color: #9467ec; --scheme-fg-color: white; }
div#app.scheme-4 { --scheme-bg-color: #00e436; --scheme-fg-color: black; }
div#app.scheme-5 { --scheme-bg-color: #ffa200; --scheme-fg-color: black; }
div#app.scheme-6 { --scheme-bg-color: #ddcd2f; --scheme-fg-color: black; }
div#app.scheme-7 { --scheme-bg-color: #7d2352; --scheme-fg-color: white; }

h1 {
    text-align: center;
}



div.message {
    text-align: center;
    margin: 32px;
}

div.playfield {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-column-gap: 16px;
}

@media (max-width: 768px) {
    div.playfield {
        grid-template-columns: repeat(2, 1fr);
    }    
}

div.playfield button.choice {
    height: 3em;
    
    background-color: #c2c3c6;
    color: #000000;
    border: none;
    
    transition: background-color 0.5s, color 0.5s;
}

div.playfield button.choice.selected {
    background-color: var(--scheme-bg-color);
    color: var(--scheme-fg-color);
}


div.playfield button.choice:hover {
    filter: brightness(1.15);
}

div.bottom-bar {
    margin: 32px 0;
    text-align: center;
}

div.commands {
    display: flex;
    justify-content: center;
}

@media (max-width: 768px) {
    div.commands {
        justify-content: space-between;
    }
}

div.commands button {
    margin-right: 16px;
    padding: 0.8em 48px;
}

div.commands button:last-child {
    margin-right: 0;
}

div.commands button.secondary {
    background: none;
    color: var(--accent);
}