/* Books list page — aligned with book-detail visual language */

.book-list {
    --book-cover-radius: 0.85rem;
    --book-panel-radius: 1rem;
    --book-accent: #0d9f6e;
    --book-accent-soft: rgba(13, 159, 110, 0.12);
    --book-muted: var(--bs-secondary-color, #6c757d);
    --book-card-border: rgba(0, 0, 0, 0.08);
    --book-card-shadow: 0 0.35rem 1.1rem rgba(15, 23, 42, 0.06);
    --book-card-shadow-hover: 0 0.85rem 1.75rem rgba(15, 23, 42, 0.12);
    --book-cover-bg:
        radial-gradient(circle at 30% 20%, rgba(13, 159, 110, 0.12), transparent 55%),
        linear-gradient(160deg, #f4f7f5 0%, #e8eef0 100%);
}

/* Neutralize global `header { position:relative; z-index:1020 }` from the theme
   so this page header cannot cover the sticky navbar dropdowns. */
.book-list__header {
    margin-bottom: 1.25rem;
    position: static;
    z-index: auto;
    background: transparent;
}

.book-list__title {
    font-size: clamp(1.35rem, 2vw, 1.75rem);
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 0.35rem;
}

.book-list__subtitle {
    margin: 0;
    color: var(--book-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 36rem;
}

.book-list__toolbar {
    --book-control-h: 2.75rem;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--book-card-border);
    border-radius: var(--book-panel-radius);
    background: var(--bs-body-bg, #fff);
    box-shadow: var(--book-card-shadow);
}

.book-list__field--search {
    flex: 1 1 100%;
    min-width: 0;
}

.book-list__actions {
    display: flex;
    align-items: stretch;
    gap: 0.65rem;
    flex: 1 1 100%;
    min-width: 0;
}

.book-list__field--sort {
    flex: 1 1 auto;
    min-width: 0;
}

.book-list__search {
    position: relative;
}

.book-list__search-icon {
    position: absolute;
    top: 50%;
    inset-inline-start: 0.9rem;
    transform: translateY(-50%);
    color: var(--book-muted);
    font-size: 1rem;
    pointer-events: none;
    opacity: 0.85;
}

.book-list__search .book-list__control {
    padding-inline-start: 2.55rem;
}

.book-list__control {
    height: var(--book-control-h);
    border-radius: 0.7rem;
    border-color: var(--book-card-border);
    background-color: var(--bs-body-bg, #fff);
    box-shadow: none;
    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease,
        background-color 0.15s ease;
}

.book-list__control:hover {
    border-color: rgba(13, 159, 110, 0.35);
}

.book-list__control:focus {
    border-color: var(--book-accent);
    box-shadow: 0 0 0 0.2rem var(--book-accent-soft);
}

.book-list__field--search .book-list__control {
    font-size: 0.95rem;
}

.book-list__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    flex: 0 0 auto;
    height: var(--book-control-h);
    min-width: 5.75rem;
    padding: 0 1.1rem;
    font-weight: 700;
    border-radius: 0.7rem;
    white-space: nowrap;
    color: #fff;
    background: var(--book-accent);
    border: 1px solid var(--book-accent);
    transition:
        background 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease,
        transform 0.15s ease;
}

.book-list__submit:hover,
.book-list__submit:focus-visible {
    color: #fff;
    background: #0b8a5f;
    border-color: #0b8a5f;
    box-shadow: 0 0 0 0.2rem var(--book-accent-soft);
}

.book-list__submit:active {
    transform: translateY(1px);
}

@media (min-width: 768px) {
    .book-list__toolbar {
        flex-wrap: nowrap;
        align-items: center;
        gap: 0.85rem;
        padding: 0.9rem 1.15rem;
    }

    .book-list__field--search {
        flex: 1 1 auto;
    }

    .book-list__actions {
        flex: 0 0 auto;
        width: auto;
    }

    .book-list__field--sort {
        flex: 0 0 11.5rem;
        width: 11.5rem;
    }
}

.book-list__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 300px));
    gap: 1.25rem;
    justify-content: start;
}

.book-list__empty {
    padding: 1.25rem 1.35rem;
    border-radius: var(--book-panel-radius);
    border: 1px solid var(--book-card-border);
    background: var(--book-accent-soft);
    color: #0a7a55;
    margin: 0;
}

.book-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--book-card-border);
    border-radius: var(--book-panel-radius);
    background: var(--bs-body-bg, #fff);
    box-shadow: var(--book-card-shadow);
    overflow: hidden;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
}

.book-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--book-card-shadow-hover);
    border-color: rgba(13, 159, 110, 0.28);
}

.book-card__cover-link {
    display: block;
    text-decoration: none;
}

.book-card__cover-wrap {
    position: relative;
    background: var(--book-cover-bg);
    padding: 1rem 1rem 0.65rem;
    display: flex;
    justify-content: center;
}

.book-card__cover {
    width: min(100%, 168px);
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: center;
    border-radius: var(--book-cover-radius);
    box-shadow:
        0 10px 22px rgba(15, 23, 42, 0.16),
        0 2px 6px rgba(15, 23, 42, 0.08);
    background: #fff;
    transition: transform 0.2s ease;
}

.book-card:hover .book-card__cover {
    transform: translateY(-2px);
}

.book-card__badge {
    position: absolute;
    top: 0.75rem;
    inset-inline-start: 0.75rem;
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--book-accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(13, 159, 110, 0.35);
}

.book-card__discount {
    position: absolute;
    top: 0.75rem;
    inset-inline-end: 0.75rem;
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(220, 53, 69, 0.12);
    color: #c82333;
    font-size: 0.74rem;
    font-weight: 700;
}

/* Opposite the discount badge (top-start); sits below free badge when both present */
.book-card__ai-badge {
    position: absolute;
    top: 0.75rem;
    inset-inline-start: 0.75rem;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    max-width: calc(100% - 1.5rem);
    padding: 0.22rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.2;
    color: #0a7a55;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(13, 159, 110, 0.28);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(4px);
}

.book-card__badge ~ .book-card__ai-badge {
    top: 2.55rem;
}

.book-card__ai-badge i {
    font-size: 0.8rem;
    opacity: 0.95;
    flex-shrink: 0;
}

.book-card__ai-badge span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.book-card__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 0.85rem 1.1rem 0.35rem;
    min-width: 0;
}

.book-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.65rem;
}

.book-card__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.28rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    line-height: 1.2;
    background: rgba(13, 110, 253, 0.08);
    color: #0b5ed7;
    border: 1px solid rgba(13, 110, 253, 0.12);
}

.book-card__chip i {
    font-size: 0.9rem;
    opacity: 0.9;
}

.book-card__title {
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.4;
    margin: 0 0 0.25rem;
}

.book-card__title a {
    color: inherit;
    text-decoration: none;
}

.book-card__title a:hover {
    color: var(--book-accent);
}

.book-card__subtitle {
    margin: 0 0 0.55rem;
    color: var(--book-muted);
    font-size: 0.84rem;
    letter-spacing: 0.02em;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-card__desc {
    margin: 0;
    color: var(--book-muted);
    font-size: 0.86rem;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: auto;
    padding: 0.95rem 1.1rem 1.1rem;
    border-top: 1px solid transparent;
}

.book-card__price-block {
    text-align: end;
    min-width: 0;
}

.book-card__old-price {
    display: block;
    font-size: 0.8rem;
    color: #dc3545;
    text-decoration: line-through;
    opacity: 0.85;
    line-height: 1.2;
    margin-bottom: 0.15rem;
}

.book-card__price {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--book-accent);
    line-height: 1.2;
}

.book-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-weight: 700;
    border-radius: 0.65rem;
    padding: 0.5rem 0.85rem;
    background: var(--book-accent);
    border-color: var(--book-accent);
    color: #fff;
    white-space: nowrap;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.book-card__cta:hover,
.book-card__cta:focus {
    background: #0b8a5f;
    border-color: #0b8a5f;
    color: #fff;
    transform: translateY(-1px);
}

.book-list__pagination {
    margin-top: 1.75rem;
}

.book-list__pagination .page-link {
    border-radius: 0.55rem;
    margin: 0 0.15rem;
}

/* Dark theme */
[data-bs-theme="dark"] .book-list {
    --book-card-border: rgba(255, 255, 255, 0.08);
    --book-card-shadow: 0 0.45rem 1.25rem rgba(0, 0, 0, 0.28);
    --book-card-shadow-hover: 0 0.9rem 1.85rem rgba(0, 0, 0, 0.4);
    --book-cover-bg:
        radial-gradient(circle at 30% 20%, rgba(16, 185, 129, 0.16), transparent 55%),
        linear-gradient(160deg, #1a2332 0%, #121820 100%);
}

[data-bs-theme="dark"] .book-list__toolbar {
    box-shadow: 0 0.55rem 1.35rem rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .book-list__control {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--bs-body-color, #e9ecef);
}

[data-bs-theme="dark"] .book-list__control:hover {
    border-color: rgba(16, 185, 129, 0.4);
}

[data-bs-theme="dark"] .book-list__control:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.2);
    background-color: rgba(255, 255, 255, 0.04);
}

[data-bs-theme="dark"] .book-list__search-icon {
    color: rgba(233, 236, 239, 0.65);
}

[data-bs-theme="dark"] .book-list__submit:hover,
[data-bs-theme="dark"] .book-list__submit:focus-visible {
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.22);
}

[data-bs-theme="dark"] .book-list__empty {
    background: rgba(16, 185, 129, 0.12);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.22);
}

[data-bs-theme="dark"] .book-card__chip {
    background: rgba(96, 165, 250, 0.12);
    color: #93c5fd;
    border-color: rgba(96, 165, 250, 0.22);
}

[data-bs-theme="dark"] .book-card__discount {
    background: rgba(248, 113, 113, 0.14);
    color: #fca5a5;
}

[data-bs-theme="dark"] .book-card__ai-badge {
    color: #6ee7b7;
    background: rgba(18, 24, 32, 0.88);
    border-color: rgba(16, 185, 129, 0.35);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

[data-bs-theme="dark"] .book-card:hover {
    border-color: rgba(16, 185, 129, 0.35);
}