body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    opacity: 1;
    transition: opacity 1s ease-in-out;
}

.page.hidden {
    opacity: 0;
    pointer-events: none;
}

.page.fade-out {
    opacity: 0;
}

.page.fade-in {
    opacity: 1;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) and (orientation: portrait) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.character,
.setting {
    cursor: pointer;
    transition: transform 0.2s;
}

.character:hover,
.setting:hover {
    transform: scale(1.05);
}

.character.selected,
.setting.selected {
    border: 2px solid #1e88e5;
}

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

button {
    background-color: #1e88e5;
    color: #f0f0f0;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
}

#welcome p {
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    #welcome p {
        max-width: 400px;
    }
}