/* ==========================================================
   Section: Book Grid + shared .book-card styles
   ========================================================== */

.book-grid {
    background: var(--bg);
    padding: var(--section-pad) 24px;
}

.book-grid__container {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.book-grid__headline {
    margin-top: 16px;
}

.book-grid__intro {
    max-width: 620px;
    margin-top: 14px;
    color: var(--text-secondary);
}

.book-grid__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: clamp(28px, 4vw, 44px) clamp(20px, 3vw, 32px);
    margin-top: 50px;
    width: 100%;
}

.book-grid__empty {
    margin-top: 40px;
    font-style: italic;
    color: var(--text-secondary);
}

/* --- Book card (shared with series/related lists) --- */
.book-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.book-card__cover-link {
    display: block;
    line-height: 0;
}

.book-card__cover {
    width: 100%;
    max-width: 240px;
    height: auto;
    /* mockup art carries its own baked-in shadow — no CSS shadow */
    transition: transform 0.3s ease;
}

.book-card__cover-link:hover .book-card__cover,
.book-card__cover-link:focus-visible .book-card__cover {
    transform: translateY(-6px);
}

/* Placeholder when a book has no cover yet */
.book-card__cover--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 480 / 690;
    max-width: 240px;
    width: 100%;
    background: var(--bg-blush);
    border: 1px solid var(--border-subtle);
    padding: 20px;
    line-height: 1.3;
}

.book-card__placeholder-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
}

.book-card__body {
    margin-top: 16px;
}

.book-card__title {
    font-size: 1.05rem;
    line-height: 1.35;
}

.book-card__title a {
    color: var(--text-primary);
}
.book-card__title a:hover {
    color: var(--brand);
}

.book-card__series {
    display: block;
    margin-top: 5px;
    font-family: var(--font-label);
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* Audio availability chip */
.book-card__audio {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 6px;
    font-family: var(--font-body);
    font-style: italic;
    font-size: 0.8rem;
    color: #C46A00;
}
.book-card__audio svg {
    width: 13px;
    height: 13px;
}