/* ========================================
   Book Card - Shared Component
   Used by: Books library, Author detail, BookDiscovery, What's New.
   Matches the books-page card styling. The .bkc-grid--compact modifier
   gives the smaller layout used on the author detail page.
   ======================================== */

.bkc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 1rem;
}

.bkc-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 16px;
}

.bkc-card {
    background: var(--mv-bg-card, #fff);
    border: 1px solid var(--mv-border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.15s, border-color 0.15s;
    display: flex;
    flex-direction: column;
}

.bkc-card:hover {
    transform: translateY(-2px);
    border-color: var(--mv-border-hover, #adb5bd);
}

.bkc-card-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 2 / 3;
    background: var(--mv-bg-surface, #f8f9fa);
    cursor: pointer;
    overflow: hidden;
}

.bkc-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.bkc-no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mv-text-muted, #6c757d);
    font-size: 2rem;
}

/* Rank badge (NYT bestsellers) — top-left */
.bkc-rank-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1.2;
    z-index: 1;
}

/* Personal rating badge — bottom-right of cover */
.bkc-rating-overlay {
    position: absolute;
    bottom: 6px;
    right: 6px;
    z-index: 1;
}

.bkc-card-body {
    padding: 0.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.bkc-card-title {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--mv-text-primary, #212529);
    line-height: 1.3;
    cursor: pointer;
}

.bkc-card-author {
    font-size: 0.72rem;
    color: var(--mv-text-secondary, #495057);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bkc-card-meta {
    font-size: 0.7rem;
    color: var(--mv-text-muted, #6c757d);
    margin-top: 2px;
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
}

.bkc-google-badge {
    font-size: 0.65rem;
    margin-left: auto;
}

.bkc-card-actions {
    margin-top: auto;
    padding-top: 6px;
    display: flex;
    gap: 3px;
    flex-wrap: nowrap;
    justify-content: center;
}

.bkc-card-actions .btn,
.bkc-action-btn {
    font-size: 0.7rem;
    padding: 2px 5px;
    flex: 0 0 auto;
}

/* Compact: lock to 3 columns on mobile (matches the prior author-page layout) */
@media (max-width: 767px) {
    .bkc-grid--compact {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

@media (max-width: 575px) {
    .bkc-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0.75rem;
    }
    .bkc-card-body { padding: 0.4rem; }
    .bkc-card-title { font-size: 0.8rem; }
    .bkc-action-btn { padding: 1px 3px; font-size: 0.65rem; }
}

/* ========================================
   DARK MODE
   ======================================== */
[data-bs-theme="dark"] .bkc-card {
    background: var(--mv-bg-card);
    border-color: var(--mv-border-color);
}

[data-bs-theme="dark"] .bkc-card:hover {
    border-color: var(--mv-border-hover);
}

[data-bs-theme="dark"] .bkc-card-img-wrap,
[data-bs-theme="dark"] .bkc-no-image {
    background: var(--mv-bg-surface);
}

[data-bs-theme="dark"] .bkc-card-title {
    color: var(--mv-text-primary);
}

[data-bs-theme="dark"] .bkc-card-author {
    color: var(--mv-text-secondary);
}

[data-bs-theme="dark"] .bkc-card-meta {
    color: var(--mv-text-muted);
}