/* Scrollable rounded container */
.showcase-books-container {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--card-shadow);
    margin-top: 20px;

    max-height: 600px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--secondary-bg);
}

/* Scrollbar styling for WebKit browsers */
.showcase-books-container::-webkit-scrollbar {
    width: 8px;
}
.showcase-books-container::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 10px;
}
.showcase-books-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-color-secondary);
}

/* Subtitle styling */
.showcase-page-subtitle {
    font-size: 1.1rem;
    color: var(--text-color-secondary);
    margin-top: 8px;
    text-align: center;
    font-style: italic;
}

.showcase-divider {
    border: none;
    border-top: 2px solid var(--link-color);
    margin: 10px 0 20px 0;
    width: 100%;
}

/* Grid layout for book cards */
.showcase-books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    padding-right: 10px;
}

/* Book cards */
.showcase-book-card {
    background: var(--background-color);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    padding: 15px;
    text-align: center;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}
.showcase-book-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

/* Sponsored badge */
.showcase-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--link-color);
    color: var(--button-text-color);
    padding: 3px 8px;
    border-radius: 5px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Book cover */
.showcase-book-cover {
    width: 100px;
    height: 140px;
    object-fit: contain;
    border-radius: 6px;
    margin-bottom: 10px;
}

/* Book info text */
.showcase-book-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}
.showcase-book-author {
    font-size: 0.85rem;
    color: var(--text-color-secondary);
    margin-top: 4px;
    font-style: italic;
}
.showcase-book-sponsor {
    display: block;
    font-size: 0.8rem;
    margin-top: 8px;
    color: var(--link-color);
    font-weight: 500;
}
.showcase-book-dates {
    display: block;
    font-size: 0.75rem;
    color: var(--text-color-secondary);
    margin-top: 5px;
}

/* Empty state styling */
.showcase-books-container:has(.showcase-empty-state) {
    display: block;
    padding: 25px;
    height: auto;
    max-height: 600px;
    overflow-y: auto;
}

/* Empty state inner container */
.showcase-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Main message box */
.empty-message-main {
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
    background-color: var(--background-color);
    padding: 20px 50px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    margin-bottom: 12px;
}

/* Subtext */
.empty-message-sub {
    color: var(--link-color);
    font-size: 0.95rem;
    font-style: italic;
}