:root {
    --primary-bg: #2d2d2d;
    --secondary-bg: #3c3c3c;
    --text-color: #ffffff;
    --accent-color: #4a90e2;
    --border-color: #555555;
    --hover-color: #5a9ee2;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.header {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: var(--secondary-bg);
    border-bottom: 2px solid var(--border-color);
}

.header h1 {
    margin: 0;
    font-size: 2rem;
}

.navigation {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 1rem;
    background-color: var(--secondary-bg);
}

.nav-button {
    background-color: var(--accent-color);
    color: var(--text-color);
    border: none;
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.nav-button:hover {
    background-color: var(--hover-color);
}

.content {
    padding: 1.5rem;
}

.collapsible-content {
    background-color: var(--secondary-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.collapsible-content h2,
.collapsible-content h3 {
    margin-top: 0;
    color: var(--accent-color);
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.game-card {
    background-color: var(--secondary-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.game-link {
    text-decoration: none;
    color: var(--text-color);
}

.game-cover {
    width: 100%;
    /* Set aspect ratio to match your tallest images (260x387) for a uniform grid */
    aspect-ratio: 260 / 387; 
    overflow: hidden;
    /* Add a subtle background color in case of letterboxing */
    background-color: #2d2d2d; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-cover img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.game-title {
    padding: 1rem;
    text-align: center;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#songlists h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.songlist-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.songlist-link {
    background-color: #e91e63;
    color: var(--text-color);
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    text-align: center;
}

.songlist-link:hover {
    background-color: #c2185b;
}