/* ===== BookMart - Books Page Styles ===== */

/* Page Layout */
.books-page {
    padding: var(--spacing-xl) 0;
}

.books-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-xl);
}

/* ===== Search Section ===== */
.books-search {
    padding: 25px 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.search-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 700px;
    margin: 0 auto;
}

.search-wrapper input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
    background: rgba(19, 34, 56, 0.4);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    color: var(--text-primary);
}

.search-wrapper input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(78, 168, 222, 0.22);
}

.search-wrapper button {
    padding: 14px 28px;
    background: var(--color-gold);
    color: var(--color-text-dark);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-wrapper button:hover {
    background: var(--color-gold-hover);
    box-shadow: var(--shadow-gold);
}

/* ===== Filters Sidebar ===== */
.filters-sidebar {
    background: rgba(19, 34, 56, 0.45);
    -webkit-backdrop-filter: saturate(150%) blur(14px);
    backdrop-filter: saturate(150%) blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    animation: bmFadeLeft .6s cubic-bezier(.22,.61,.36,1) both;
}

/* Filter option rows nudge on hover */
.filter-group label { border-radius: var(--radius-sm); }
.filter-group label:hover { transform: translateX(4px); }

.filters-sidebar h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-light);
}

.filter-group {
    margin-bottom: var(--spacing-lg);
}

.filter-group h4 {
    font-size: 0.9rem;
    font-family: var(--font-primary);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 6px 0;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-group label:hover {
    color: var(--accent);
}

.filter-group input[type="checkbox"],
.filter-group input[type="radio"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.reset-btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ===== Books Header ===== */
.books-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.books-header .result-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Favorites view toggle */
.fav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    margin-left: auto;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-pill);
    background: var(--glass-background-light);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.fav-toggle span {
    min-width: 18px;
    padding: 0 5px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.75rem;
}
.fav-toggle:hover {
    color: var(--color-danger);
    border-color: rgba(232, 93, 117, 0.45);
}
.fav-toggle.active {
    background: rgba(232, 93, 117, 0.15);
    border-color: rgba(232, 93, 117, 0.55);
    color: var(--color-danger);
}
.fav-toggle.active span { background: rgba(232, 93, 117, 0.3); color: var(--color-text-primary); }

.books-header select {
    padding: 8px 15px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    background: rgba(19, 34, 56, 0.5);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    color: var(--text-primary);
    transition: var(--transition);
}

.books-header select:focus {
    border-color: var(--accent);
    outline: none;
}

/* ===== Enhanced Book Cards ===== */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    padding: 0;
}

.book-card {
    background: linear-gradient(160deg, rgba(28, 48, 72, 0.6), rgba(19, 34, 56, 0.48));
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform .38s cubic-bezier(.22,.61,.36,1), box-shadow .38s ease, border-color .38s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.book-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(78, 168, 222, 0.4);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.book-card-image-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.book-card-image-link:hover .book-card-image img {
    transform: scale(1.05);
}

.book-card-image {
    height: 220px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--border-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.book-card-image img {
    transition: transform 0.3s ease;
}

.book-card-title-link {
    text-decoration: none;
    color: inherit;
}

.book-card-title-link:hover h3 {
    color: var(--accent);
}

.book-card-title-link h3 {
    transition: color 0.2s ease;
}

.book-card .badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--accent);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 1;
}

.book-card .badge.new {
    background: var(--secondary);
}

.book-card .badge.bestseller {
    background: var(--accent);
}

.book-card-body {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.book-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.book-card-body h3 {
    font-size: 1rem;
    margin-bottom: 4px;
    font-family: var(--font-primary);
    line-height: 1.3;
}

.book-card-body .author {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.book-card-body .rating {
    color: var(--secondary);
    font-size: 0.82rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.book-card-body .rating .rating-value {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.book-card-body .price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    margin-top: auto;
}

.book-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.book-card-body .add-to-cart,
.book-card-body .view-details {
    padding: 8px 6px;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
    text-align: center;
}

.book-card-body .add-to-cart {
    background: var(--color-blue);
    color: var(--color-text-dark);
}

.book-card-body .add-to-cart:hover {
    background: var(--color-gold);
    color: var(--color-text-dark);
}

.book-card-body .view-details {
    background: var(--color-surface-light);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
}

.book-card-body .view-details:hover {
    background: var(--color-surface);
    color: var(--color-blue-light);
}

/* ===== No Results ===== */
.no-results {
    text-align: center;
    padding: 60px 20px;
}

.no-results .icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.no-results h3 {
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===== Active filter chips ===== */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: rgba(78, 168, 222, 0.12);
    border: 1px solid rgba(78, 168, 222, 0.35);
    color: var(--color-blue-light);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, transform .15s ease;
}

.filter-chip:hover {
    background: rgba(232, 93, 117, 0.14);
    border-color: rgba(232, 93, 117, 0.45);
    color: var(--color-danger);
    transform: translateY(-1px);
}

.filter-chip b {
    font-size: 0.9em;
    opacity: 0.8;
}

.chip-clear {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    transition: color .2s ease;
}

.chip-clear:hover { color: var(--color-gold); }

/* Search-term highlight in results */
#booksContainer mark {
    background: rgba(244, 185, 66, 0.35);
    color: var(--color-text-primary);
    border-radius: 3px;
    padding: 0 2px;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.9rem;
}

.pagination a:hover,
.pagination a.active {
    background: var(--color-gold);
    color: var(--color-text-dark);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.pagination a.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.pagination .ellipsis {
    display: inline-flex;
    align-items: flex-end;
    padding: 0 4px;
    color: var(--text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .books-layout {
        grid-template-columns: 1fr;
    }
    
    .filters-sidebar {
        position: static;
    }
    
    .search-wrapper {
        flex-direction: column;
    }
    
    .search-wrapper button {
        width: 100%;
    }
    
    .books-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .book-card-image {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .books-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .books-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* =====================================================================
   ============  BOOKS PAGE MOTION (transparency + animation)  =========
   Reuses the global bm* keyframes from animations.css. All motion is
   auto-disabled for prefers-reduced-motion by the global block there.
   ===================================================================== */

/* Search bar + sidebar reveal on load */
.search-wrapper { animation: bmFadeDown .6s cubic-bezier(.22,.61,.36,1) both; }
.search-wrapper input:focus {
    box-shadow: 0 0 0 4px rgba(78, 168, 222, 0.25), var(--shadow-glow);
}

/* Staggered book-card entrance (overrides the global pop on this page) */
.books-grid .book-card { animation: bmFadeUp .5s cubic-bezier(.22,.61,.36,1) both; }
.books-grid .book-card:nth-child(1)  { animation-delay: .02s; }
.books-grid .book-card:nth-child(2)  { animation-delay: .06s; }
.books-grid .book-card:nth-child(3)  { animation-delay: .10s; }
.books-grid .book-card:nth-child(4)  { animation-delay: .14s; }
.books-grid .book-card:nth-child(5)  { animation-delay: .18s; }
.books-grid .book-card:nth-child(6)  { animation-delay: .22s; }
.books-grid .book-card:nth-child(7)  { animation-delay: .26s; }
.books-grid .book-card:nth-child(8)  { animation-delay: .30s; }
.books-grid .book-card:nth-child(9)  { animation-delay: .34s; }
.books-grid .book-card:nth-child(10) { animation-delay: .38s; }
.books-grid .book-card:nth-child(11) { animation-delay: .42s; }
.books-grid .book-card:nth-child(12) { animation-delay: .46s; }

/* Glass sheen sweep across a card on hover */
.books-grid .book-card::after {
    content: '';
    position: absolute;
    top: 0; left: -130%;
    width: 55%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.10), transparent);
    transform: skewX(-18deg);
    transition: left .8s ease;
    z-index: 2;
    pointer-events: none;
}
.books-grid .book-card:hover::after { left: 150%; }

/* Cover image gentle zoom already exists; add a soft brightness lift */
.book-card:hover .book-card-image img { filter: brightness(1.06) saturate(1.05); }

/* Filter chips pop in */
.filter-chip { animation: bmPop .35s ease both; }

/* Pagination controls rise in + springy press */
.pagination a { animation: bmFadeUp .4s ease both; }
.pagination a:active { transform: scale(.9); }

/* Favorites toggle micro-interaction */
.fav-toggle:hover { transform: translateY(-2px); }
.fav-toggle:active { transform: scale(.96); }

/* Result count subtle fade when it changes */
.books-header .result-count { transition: opacity .3s ease; }