/* ===== Ebook library page ===== */

.ebook-lib-hero {
    padding: 2rem 0 2.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.18) 0%, rgba(6, 182, 212, 0.08) 45%, transparent 70%);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.ebook-lib-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.ebook-lib-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #c7d2fe;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.35);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.ebook-lib-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.ebook-lib-lead {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 36rem;
    margin-bottom: 0;
}

.ebook-lib-topmate {
    color: var(--primary-light);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.ebook-lib-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.ebook-lib-stat {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1rem 1.1rem;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
}

.ebook-lib-stat:hover {
    border-color: rgba(99, 102, 241, 0.45);
    transform: translateY(-2px);
}

.ebook-lib-stat-num {
    display: block;
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.ebook-lib-stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ebook-library-section {
    padding: 2rem 0 4rem;
}

/* Filters */
.ebook-filters-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 1.25rem 1.35rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.ebook-filters-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    align-items: stretch;
}

.ebook-search-wrap {
    flex: 1 1 220px;
    position: relative;
    min-width: 0;
}

.ebook-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.ebook-search-input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.65rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-darker);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.ebook-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.ebook-stack-select {
    flex: 0 1 200px;
    min-width: 160px;
    padding: 0.7rem 2rem 0.7rem 0.85rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-darker);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.ebook-filter-btn {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    border-radius: 12px;
    white-space: nowrap;
}

.ebook-results-line {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Stack chips */
.ebook-stack-scroll {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1.75rem;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.ebook-stack-scroll::-webkit-scrollbar {
    height: 4px;
}

.ebook-stack-chip {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-secondary);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.ebook-stack-chip:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(99, 102, 241, 0.1);
}

.ebook-stack-chip.is-active {
    color: #fff;
    background: var(--gradient-primary, linear-gradient(135deg, #6366f1, #8b5cf6));
    border-color: transparent;
}

.ebook-stack-chip .chip-count {
    font-size: 0.7rem;
    opacity: 0.85;
    background: rgba(0, 0, 0, 0.15);
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
}

.ebook-stack-chip.is-active .chip-count {
    background: rgba(255, 255, 255, 0.2);
}

/* Card v2 */
.ebook-card-v2 {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.ebook-card-v2:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 16px 40px rgba(99, 102, 241, 0.15);
}

.ebook-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.ebook-card-v2 .ebook-cover {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.ebook-card-v2 .ebook-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.ebook-card-v2:hover .ebook-cover img {
    transform: scale(1.08);
}

.ebook-cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(7, 7, 20, 0.85) 100%);
    pointer-events: none;
}

.ebook-ribbon {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.55rem;
    border-radius: 6px;
}

.ebook-ribbon-free {
    background: #10b981;
    color: #fff;
}

.ebook-ribbon-sale {
    background: #f59e0b;
    color: #111;
}

.ebook-card-v2 .ebook-level {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    font-size: 0.65rem;
    font-weight: 700;
}

.ebook-card-v2 .ebook-body {
    padding: 1.1rem 1.15rem 1.2rem;
    flex: 1;
}

.ebook-price-row {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.ebook-price-now {
    font-size: 1.15rem;
    font-weight: 800;
    color: #34d399;
}

.ebook-price-was {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.ebook-card-v2 .ebook-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ebook-card-v2 .ebook-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0 0 0.65rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ebook-card-v2 .ebook-stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.ebook-card-v2 .ebook-stack-tags span {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.2rem 0.45rem;
    border-radius: 6px;
    background: rgba(99, 102, 241, 0.12);
    color: #c7d2fe;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.ebook-cta {
    margin-top: auto;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary-light);
    transition: gap 0.2s;
}

.ebook-card-v2:hover .ebook-cta {
    color: #a5b4fc;
}

.ebook-card-v2:hover .ebook-cta i {
    transform: translateX(4px);
}

.ebook-cta i {
    display: inline-block;
    transition: transform 0.2s;
}

/* Empty state */
.ebook-empty-state {
    text-align: center;
    padding: 3.5rem 1.5rem;
    background: var(--bg-glass);
    border: 1px dashed var(--border-color);
    border-radius: 20px;
}

.ebook-empty-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-light);
}

.ebook-empty-state h3 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.ebook-empty-state p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

/* Light theme tweaks */
[data-theme="light"] .ebook-search-input,
[data-theme="light"] .ebook-stack-select {
    background: #fff;
}

[data-theme="light"] .ebook-stack-chip {
    background: #f8fafc;
}

[data-theme="light"] .ebook-card-v2 .ebook-stack-tags span {
    background: rgba(99, 102, 241, 0.08);
    color: #4f46e5;
}

@media (max-width: 991.98px) {
    .ebook-filters-form {
        flex-direction: column;
    }

    .ebook-stack-select,
    .ebook-filter-btn {
        width: 100%;
    }

    .ebook-lib-stats {
        margin-top: 0.5rem;
    }
}

@media (max-width: 575.98px) {
    .ebook-lib-hero {
        padding: 1.5rem 0 2rem;
    }

    .ebook-card-v2 .ebook-cover {
        height: 180px;
    }
}