/* E-book library — aligns with auth / home / upload / search / detail visual system */
:root {
    --el-ink: #15261a;
    --el-forest: #205A28;
    --el-forest-deep: #163f1c;
    --el-sage: #4a7a52;
    --el-mist: #e8eee8;
    --el-paper: #f6f7f4;
    --el-line: rgba(21, 38, 26, 0.12);
    --el-gold: #b08d3e;
    --el-danger: #9b2c2c;
    --el-font-display: "Literata", "Noto Serif SC", "Songti SC", Georgia, serif;
    --el-font-ui: "Manrope", "Noto Sans SC", "PingFang SC", "Segoe UI", sans-serif;
}

@keyframes elFadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes elDrift {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(1%, -0.6%, 0) scale(1.02); }
}

@keyframes fabFadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.8); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .ebook-library-page *,
    .ebook-library-page *::before,
    .ebook-library-page *::after {
        animation: none !important;
        transition: none !important;
    }
}

body:has(.ebook-library-page) {
    background: var(--el-paper);
    font-family: var(--el-font-ui);
    color: var(--el-ink);
}

.ebook-library-page.main-content {
    padding-top: 0 !important;
    padding-bottom: 2rem !important;
}

/* —— Hero —— */
.el-hero {
    position: relative;
    overflow: hidden;
    color: #f4f7f4;
    background:
        linear-gradient(155deg, rgba(22, 63, 28, 0.94) 0%, rgba(21, 38, 26, 0.9) 50%, rgba(32, 90, 40, 0.88) 100%),
        radial-gradient(90% 60% at 88% 12%, rgba(176, 141, 62, 0.18), transparent 50%),
        linear-gradient(135deg, #1a3d22 0%, #0f1f14 100%);
    padding: clamp(1.75rem, 3.5vw, 2.75rem) 0 clamp(1.5rem, 3vw, 2.25rem);
    animation: elFadeUp 0.5s ease both;
}

.el-hero::before {
    content: "";
    position: absolute;
    inset: -5%;
    background:
        repeating-linear-gradient(
            90deg,
            transparent 0,
            transparent 44px,
            rgba(255, 255, 255, 0.03) 44px,
            rgba(255, 255, 255, 0.03) 48px,
            transparent 48px,
            transparent 80px,
            rgba(176, 141, 62, 0.06) 80px,
            rgba(176, 141, 62, 0.06) 84px
        );
    animation: elDrift 22s ease-in-out infinite;
    pointer-events: none;
}

.el-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.el-hero-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.15rem;
}

.el-hero-kicker {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(244, 247, 244, 0.68);
    margin-bottom: 0.55rem;
}

.el-hero-title {
    font-family: var(--el-font-display);
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0 0 0.4rem;
}

.el-hero-support {
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(244, 247, 244, 0.78);
    margin: 0;
    max-width: 36rem;
}

.el-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    background: var(--el-paper);
    color: var(--el-forest);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    border: 1px solid transparent;
    white-space: nowrap;
}

.el-hero-cta:hover {
    background: #fff;
    color: var(--el-forest-deep);
}

.el-hero .home-search-section {
    margin-bottom: 0 !important;
    max-width: 640px;
}

.el-hero .home-search-nav {
    margin-left: 0;
}

.el-hero .home-search-nav .nav-link {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(244, 247, 244, 0.75);
    border-radius: 0;
    font-family: var(--el-font-ui);
    font-size: 0.8125rem;
}

.el-hero .home-search-nav .nav-link:hover:not(.active) {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.el-hero .home-search-nav .nav-link.active {
    background: var(--el-paper);
    color: var(--el-forest);
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 0;
}

.el-hero .home-search-nav .nav-link.active::after {
    background: var(--el-paper);
}

.el-hero .home-search-tab-content {
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: var(--el-paper);
    border-radius: 0;
}

.el-hero .home-search-input {
    border-radius: 0 !important;
    border: none !important;
    background: transparent !important;
    font-family: var(--el-font-ui);
    color: var(--el-ink);
}

.el-hero .home-search-submit {
    border-radius: 0 !important;
    background: var(--el-forest) !important;
    color: #fff !important;
    font-weight: 600;
    border: none !important;
    border-left: 1px solid var(--el-line) !important;
}

.el-hero .home-search-submit:hover {
    background: var(--el-forest-deep) !important;
}

/* —— Body —— */
.el-body {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.35rem 1rem 0;
    animation: elFadeUp 0.55s 0.06s ease both;
}

.ebook-library-page .alert {
    border: none;
    border-radius: 0;
    border-left: 3px solid transparent;
    box-shadow: none;
    font-size: 0.9rem;
}

.ebook-library-page .alert-danger {
    background: #faf0f0;
    color: var(--el-danger);
    border-left-color: var(--el-danger);
}

.el-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--el-line);
    flex-wrap: wrap;
}

.el-toolbar-summary {
    font-size: 0.9rem;
    color: rgba(21, 38, 26, 0.55);
    line-height: 1.45;
}

.el-toolbar-summary strong {
    color: var(--el-forest);
    font-family: var(--el-font-display);
    font-weight: 600;
}

.el-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.el-info-toggle {
    border-radius: 0 !important;
    border: 1px solid var(--el-line) !important;
    background: #fff !important;
    color: rgba(21, 38, 26, 0.65) !important;
    font-size: 0.8125rem !important;
    font-weight: 500 !important;
    padding: 0.3rem 0.75rem !important;
}

.el-info-toggle:hover {
    border-color: var(--el-forest) !important;
    color: var(--el-forest) !important;
    background: rgba(32, 90, 40, 0.04) !important;
}

/* —— Grid (single large mode) —— */
.ebooks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.35rem 1.15rem;
    margin-bottom: 1.75rem;
    width: 100%;
}

@media (min-width: 1200px) {
    .ebooks-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .ebooks-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.15rem;
    }
}

@media (max-width: 767px) {
    .ebooks-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

.ebook-card {
    position: relative;
    text-align: center;
    background: transparent;
}

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

.ebook-card-link:hover {
    color: inherit;
}

.ebook-card-link:hover .ebook-cover {
    opacity: 0.92;
}

.ebook-cover {
    width: 100%;
    aspect-ratio: 3 / 4;
    max-width: 180px;
    margin: 0 auto;
    background: var(--el-mist);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--el-sage);
    border-radius: 0 4px 4px 0;
    position: relative;
    overflow: hidden;
    box-shadow:
        6px 8px 20px rgba(21, 38, 26, 0.1),
        2px 0 0 rgba(21, 38, 26, 0.04),
        0 2px 6px rgba(21, 38, 26, 0.05);
    transition: opacity 0.2s ease;
}

.ebook-cover::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(90deg, #c5cfc6 0%, #e4ebe4 50%, #c5cfc6 100%);
    z-index: 3;
    pointer-events: none;
}

.ebook-cover::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(90deg, rgba(21, 38, 26, 0.15) 0%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

.ebook-cover img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    position: relative;
    z-index: 1;
}

.ebook-cover.downloaded {
    outline: 2px solid var(--el-forest);
    outline-offset: -2px;
}

.ebook-cover .downloaded-badge {
    position: absolute;
    bottom: 0.3rem;
    right: 0.3rem;
    background: var(--el-forest);
    color: #fff;
    padding: 0.12rem 0.4rem;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    z-index: 5;
}

.default-cover {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    text-align: center;
    z-index: 1;
    position: relative;
}

.default-cover .book-icon {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    color: var(--el-sage);
}

.default-cover .book-title {
    font-family: var(--el-font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--el-ink);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.default-cover .book-author {
    font-size: 0.75rem;
    color: rgba(21, 38, 26, 0.55);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library-favorite-btn {
    position: absolute !important;
    top: 6px !important;
    right: 6px !important;
    z-index: 10 !important;
    border-radius: 0 !important;
    width: 28px !important;
    height: 28px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: none !important;
    background: rgba(255, 255, 255, 0.92) !important;
    border: 1px solid var(--el-line) !important;
    color: var(--el-danger) !important;
}

.library-favorite-btn.btn-danger {
    background: var(--el-danger) !important;
    border-color: var(--el-danger) !important;
    color: #fff !important;
}

.ebook-list-info {
    display: none;
    padding: 0.65rem 0.15rem 0;
    text-align: center;
}

.ebooks-grid.show-book-info .ebook-list-info {
    display: block;
}

.ebook-list-info h3 {
    font-family: var(--el-font-display);
    font-size: 0.9rem;
    margin: 0 0 0.25rem;
    color: var(--el-ink);
    font-weight: 600;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.7em;
}

.ebook-list-info p {
    font-size: 0.8rem;
    color: rgba(21, 38, 26, 0.55);
    margin: 0 0 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ebook-list-info .ebook-views {
    font-size: 0.72rem;
    color: rgba(21, 38, 26, 0.4);
}

/* Empty */
.el-empty {
    text-align: center;
    padding: 3rem 1rem;
    border: 1px solid var(--el-line);
    background: #fff;
}

.el-empty i {
    font-size: 2.75rem;
    color: var(--el-sage);
    opacity: 0.55;
}

.el-empty h5 {
    font-family: var(--el-font-display);
    font-size: 1.25rem;
    margin: 1rem 0 0.5rem;
    color: var(--el-ink);
}

.el-empty p {
    color: rgba(21, 38, 26, 0.55);
    margin-bottom: 1.25rem;
}

.ebook-library-page .btn {
    border-radius: 0;
    font-weight: 600;
    box-shadow: none !important;
    transform: none !important;
}

.ebook-library-page .btn-primary,
.ebook-library-page .btn-success {
    background: var(--el-forest);
    border-color: var(--el-forest);
    color: #fff;
}

.ebook-library-page .btn-primary:hover,
.ebook-library-page .btn-success:hover {
    background: var(--el-forest-deep);
    border-color: var(--el-forest-deep);
    color: #fff;
}

.ebook-library-page .btn-outline-primary {
    border-color: var(--el-line);
    color: var(--el-forest);
}

.ebook-library-page .btn-outline-primary:hover {
    background: rgba(32, 90, 40, 0.08);
    border-color: var(--el-forest);
    color: var(--el-forest-deep);
}

/* Pagination */
.el-pagination {
    margin: 1.5rem 0 2rem;
}

.pagination-info {
    font-size: 0.875rem;
    color: rgba(21, 38, 26, 0.55);
}

.pagination-info strong {
    color: var(--el-forest);
    font-family: var(--el-font-display);
}

.ebook-library-page .pagination {
    --bs-pagination-border-radius: 0;
    gap: 0.2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.ebook-library-page .page-link {
    border-radius: 0 !important;
    border: 1px solid var(--el-line);
    color: var(--el-forest);
    font-size: 0.875rem;
    padding: 0.4rem 0.7rem;
    background: #fff;
}

.ebook-library-page .page-item.active .page-link {
    background: var(--el-forest);
    border-color: var(--el-forest);
    color: #fff;
}

.ebook-library-page .page-item.disabled .page-link {
    color: rgba(21, 38, 26, 0.35);
    background: var(--el-mist);
}

.ebook-library-page .page-link:hover {
    background: rgba(32, 90, 40, 0.06);
    border-color: var(--el-forest);
    color: var(--el-forest-deep);
}

.pagination-jump {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.85rem;
    flex-wrap: wrap;
}

.pagination-jump label {
    font-size: 0.8125rem;
    color: rgba(21, 38, 26, 0.55);
    margin: 0;
}

.pagination-jump input {
    width: 4.5rem;
    border-radius: 0;
    border: 1px solid var(--el-line);
    border-bottom-width: 2px;
    padding: 0.35rem 0.5rem;
    font-size: 0.875rem;
}

.pagination-jump input:focus {
    border-color: var(--el-forest);
    outline: none;
    box-shadow: none;
}

/* Stats */
.el-stats {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--el-line);
}

.el-stats-title {
    font-family: var(--el-font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--el-ink);
    margin: 0 0 1rem;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--el-line);
    padding: 1.15rem 1rem;
    text-align: center;
    height: 100%;
    margin-bottom: 0.85rem;
}

.stat-card i {
    font-size: 1.35rem;
    color: var(--el-sage);
    margin-bottom: 0.45rem;
    display: block;
}

.stat-number {
    font-family: var(--el-font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--el-forest);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: rgba(21, 38, 26, 0.5);
    margin-top: 0.25rem;
}

/* Modal */
.ebook-library-page .modal-content {
    border-radius: 0;
    border: 1px solid var(--el-line);
    box-shadow: 0 16px 48px rgba(21, 38, 26, 0.14);
}

.ebook-library-page .modal-header {
    border-bottom: 1px solid var(--el-line);
}

.ebook-library-page .modal-title {
    font-family: var(--el-font-display);
    font-weight: 600;
}

.ebook-library-page .form-control {
    border-radius: 0;
    border: 1px solid var(--el-line);
    border-bottom-width: 2px;
}

.ebook-library-page .form-control:focus {
    border-color: var(--el-forest);
    box-shadow: none;
}

/* FAB */
.floating-action-buttons {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    z-index: 99999 !important;
    display: flex !important;
    flex-direction: column;
    gap: 12px;
}

.fab-btn {
    width: 52px !important;
    height: 52px !important;
    border-radius: 0 !important;
    border: none !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.35rem !important;
    color: white !important;
    box-shadow: 0 4px 14px rgba(21, 38, 26, 0.18) !important;
    transition: background 0.2s ease, opacity 0.2s ease;
    animation: fabFadeIn 0.45s ease forwards;
}

.fab-btn:nth-child(1) { animation-delay: 0.08s; }
.fab-btn:nth-child(2) { animation-delay: 0.16s; }
.fab-btn:nth-child(3) { animation-delay: 0.24s; }

.fab-btn:hover {
    transform: none !important;
    box-shadow: 0 6px 18px rgba(21, 38, 26, 0.24) !important;
}

.fab-btn-primary { background: var(--el-forest) !important; }
.fab-btn-primary:hover { background: var(--el-forest-deep) !important; }
.fab-btn-secondary { background: #2a4a32 !important; }
.fab-btn-secondary:hover { background: var(--el-forest-deep) !important; }
.fab-btn-tertiary { background: #3d5a42 !important; }
.fab-btn-tertiary:hover { background: var(--el-forest-deep) !important; }

.fab-btn-primary.hidden {
    opacity: 0 !important;
    pointer-events: none;
}

@media (max-width: 768px) {
    .floating-action-buttons {
        bottom: 18px;
        right: 18px;
        gap: 10px;
    }

    .fab-btn {
        width: 46px !important;
        height: 46px !important;
        font-size: 1.2rem !important;
    }

    .pagination-jump {
        margin-left: 0;
        margin-top: 0.75rem;
        width: 100%;
        justify-content: center;
    }
}