/* ── Library catalog ── */

/* فضای پایین — جلوگیری از پنهان شدن آخرین دسته زیر نوار تب‌ها */
#tab-library .media-tab-viewport {
    max-height: calc(100dvh - var(--app-header-height) - var(--mobile-nav-height) - 3.25rem);
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
}

#tab-library #library-catalog {
    padding-bottom: 0.5rem;
}

@media (max-width: 767px) {
    #tab-library .media-tab-viewport {
        padding-bottom: 0;
    }

    #tab-library #library-catalog {
        padding-bottom: calc(var(--mobile-nav-height) + 1.5rem + env(safe-area-inset-bottom, 0px));
    }
}

.lib-hero {
    padding: 1rem 1.1rem;
    margin-bottom: 0.85rem;
    border-radius: 1rem;
}

.lib-hero__title {
    font-size: 1.05rem;
    font-weight: 800;
    color: #312e81;
    margin: 0 0 0.25rem;
}

.lib-hero__sub {
    font-size: 0.68rem;
    color: #6b7280;
    margin: 0 0 0.75rem;
}

.lib-search-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.lib-search-input {
    flex: 1;
    min-width: 10rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.65rem;
    font-size: 0.75rem;
    font-family: inherit;
}

.lib-search-btn {
    padding: 0.55rem 1rem;
    background: linear-gradient(135deg, #6366f1, #7c3aed);
    color: #fff;
    border: none;
    border-radius: 0.65rem;
    font-size: 0.72rem;
    font-weight: 700;
    cursor: pointer;
}

.lib-section {
    margin-bottom: 1.1rem;
}

.lib-section__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0 0.15rem;
}

.lib-section__title {
    font-size: 0.82rem;
    font-weight: 800;
    color: #1f2937;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.lib-section__more {
    font-size: 0.65rem;
    font-weight: 600;
    color: #6366f1;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
}

.lib-slider {
    position: relative;
}

.lib-slider__track {
    display: flex;
    gap: 0.65rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 0.35rem 0.15rem 0.5rem;
    scrollbar-width: none;
}

.lib-slider__track::-webkit-scrollbar { display: none; }

.lib-slider__nav {
    position: absolute;
    top: 38%;
    z-index: 2;
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
    color: #4f46e5;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    display: none;
}

@media (min-width: 640px) {
    .lib-slider__nav { display: flex; align-items: center; justify-content: center; }
}

.lib-slider__nav--prev { right: -0.35rem; }
.lib-slider__nav--next { left: -0.35rem; }

.lib-book-card {
    flex: 0 0 auto;
    width: 7.5rem;
    scroll-snap-align: start;
    cursor: pointer;
    transition: transform 0.2s ease;
}

@media (min-width: 640px) { .lib-book-card { width: 8.5rem; } }
@media (min-width: 1024px) { .lib-book-card { width: 9rem; } }

.lib-book-card:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
    border-radius: 0.5rem;
}

.lib-book-card__cover-wrap {
    position: relative;
    aspect-ratio: 2 / 3;
    border-radius: 0.55rem;
    overflow: hidden;
    background: #e5e7eb;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.15);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.lib-book-card:hover .lib-book-card__cover-wrap {
    transform: scale(1.04);
    box-shadow: 0 10px 28px rgba(99, 102, 241, 0.28);
}

.lib-book-card__cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.lib-lazy-img--loaded { opacity: 1; }

.lib-book-card__hover {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.lib-book-card:hover .lib-book-card__hover { opacity: 1; }

.lib-book-card__quick-btn {
    font-size: 0.58rem;
    font-weight: 700;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    font-family: inherit;
}

.lib-book-card__quick-btn--read {
    background: #6366f1;
    border-color: #6366f1;
}

.lib-book-card__discount {
    position: absolute;
    top: 0.35rem;
    left: 0.35rem;
    font-size: 0.55rem;
    font-weight: 800;
    background: #ef4444;
    color: #fff;
    padding: 0.12rem 0.35rem;
    border-radius: 999px;
}

.lib-book-card__body { padding: 0.4rem 0.1rem 0; }

.lib-book-card__title {
    font-size: 0.68rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.35;
}

.lib-book-card__author {
    font-size: 0.58rem;
    color: #9ca3af;
    margin: 0.15rem 0 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lib-book-card__rating {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    flex-wrap: wrap;
}

.lib-star { color: #fbbf24; font-size: 0.65rem; line-height: 1; }
.lib-star--sm { font-size: 0.55rem; }
.lib-star--empty { color: #d1d5db; }
.lib-star--half { opacity: 0.65; }

.lib-book-card__rating-num {
    font-size: 0.58rem;
    font-weight: 700;
    color: #374151;
}

.lib-book-card__reviews {
    font-size: 0.55rem;
    color: #9ca3af;
}

.lib-book-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 0.25rem 0;
}

@media (min-width: 640px) { .lib-book-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .lib-book-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .lib-book-grid { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 1280px) { .lib-book-grid { grid-template-columns: repeat(6, 1fr); } }

.lib-book-grid .lib-book-card { width: 100%; }

.lib-grid-view__head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.65rem;
}

.lib-back-btn {
    font-size: 0.68rem;
    font-weight: 600;
    color: #6366f1;
    background: #eef2ff;
    border: none;
    padding: 0.35rem 0.65rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-family: inherit;
}

.lib-grid-view__title { font-size: 0.85rem; font-weight: 800; margin: 0; flex: 1; }
.lib-grid-view__count { font-size: 0.62rem; color: #9ca3af; }
.lib-empty { text-align: center; font-size: 0.75rem; color: #9ca3af; padding: 2rem 1rem; }

.lib-skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: lib-shimmer 1.2s infinite;
    border-radius: 0.5rem;
}

.lib-skeleton--title { height: 1rem; width: 40%; margin-bottom: 0.5rem; }
.lib-skeleton--card { flex: 0 0 7.5rem; height: 11rem; }

@keyframes lib-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.book-detail-overlay {
    position: fixed;
    inset: 0;
    z-index: 210;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
}

@media (min-width: 640px) {
    .book-detail-overlay { align-items: center; padding: 1rem; }
}

.book-detail-dialog {
    background: #fff;
    width: 100%;
    max-width: 52rem;
    max-height: 92vh;
    overflow-y: auto;
    border-radius: 1rem 1rem 0 0;
    padding: 1rem;
    position: relative;
}

@media (min-width: 640px) {
    .book-detail-dialog { border-radius: 1rem; padding: 1.25rem; }
}

.book-detail-close {
    position: sticky;
    top: 0;
    float: left;
    z-index: 2;
    width: 2rem;
    height: 2rem;
    border: none;
    background: #f3f4f6;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
}

.lib-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    clear: both;
}

@media (min-width: 640px) {
    .lib-detail { grid-template-columns: 10rem 1fr; }
}

.lib-detail__cover {
    width: 100%;
    max-width: 10rem;
    aspect-ratio: 2/3;
    object-fit: cover;
    border-radius: 0.65rem;
    box-shadow: 0 8px 24px rgba(99,102,241,0.2);
}

.lib-detail__title { font-size: 1rem; font-weight: 800; margin: 0 0 0.5rem; color: #1f2937; }
.lib-detail__meta { font-size: 0.72rem; color: #4b5563; margin: 0.15rem 0; }
.lib-detail__rating { display: flex; align-items: center; gap: 0.35rem; margin: 0.5rem 0; font-size: 0.75rem; }
.lib-detail__tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.5rem 0; }
.lib-detail__tag {
    font-size: 0.62rem;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--tag-color) 12%, white);
    color: var(--tag-color);
    border: 1px solid color-mix(in srgb, var(--tag-color) 25%, white);
}
.lib-detail__price-row { margin: 0.5rem 0; }
.lib-price { font-size: 0.78rem; font-weight: 800; color: #059669; }
.lib-price--free { color: #6366f1; }
.lib-price__old { text-decoration: line-through; color: #9ca3af; font-weight: 400; margin-left: 0.35rem; }
.lib-price__unit { font-size: 0.62rem; font-weight: 500; }
.lib-detail__short { font-size: 0.72rem; color: #6b7280; line-height: 1.55; }
.lib-detail__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0; }
.lib-btn {
    padding: 0.5rem 1rem;
    border-radius: 0.6rem;
    font-size: 0.72rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.lib-btn--primary { background: linear-gradient(135deg, #6366f1, #7c3aed); color: #fff; }
.lib-btn--ghost { background: #f3f4f6; color: #374151; }
.lib-btn--sm { padding: 0.35rem 0.75rem; font-size: 0.65rem; }
.lib-detail__specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.62rem;
    color: #9ca3af;
    padding: 0.5rem 0;
    border-top: 1px dashed #e5e7eb;
}
.lib-detail__full h4, .lib-detail__reviews h4 {
    font-size: 0.75rem;
    font-weight: 800;
    margin: 0.75rem 0 0.35rem;
}
.lib-detail__full p { font-size: 0.72rem; color: #4b5563; line-height: 1.6; margin: 0; }
.lib-review { padding: 0.5rem 0; border-bottom: 1px solid #f3f4f6; }
.lib-review__head { font-size: 0.68rem; display: flex; align-items: center; gap: 0.35rem; }
.lib-review__text { font-size: 0.68rem; color: #6b7280; margin: 0.25rem 0 0; }
.lib-review-form { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.5rem; }
.lib-input { width: 100%; padding: 0.45rem 0.6rem; border: 1px solid #e5e7eb; border-radius: 0.5rem; font-family: inherit; }
.lib-detail__progress {
    height: 4px;
    background: #e5e7eb;
    border-radius: 999px;
    margin-top: 0.5rem;
    overflow: hidden;
}
.lib-detail__progress-fill { height: 100%; border-radius: 999px; }
.lib-detail__progress-label { font-size: 0.6rem; color: #9ca3af; margin: 0.2rem 0 0; }

.admin-lib-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}
.admin-lib-stat {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.62rem;
    color: #6b7280;
}
.admin-lib-stat__num {
    display: block;
    font-size: 1rem;
    font-weight: 800;
    color: #4f46e5;
}
.admin-lib-cat-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.4rem;
    margin-bottom: 0.35rem;
}
.admin-lib-drag { cursor: grab; color: #9ca3af; font-size: 0.85rem; user-select: none; }
.admin-lib-table { width: 100%; font-size: 0.65rem; border-collapse: collapse; }
.admin-lib-table th, .admin-lib-table td { padding: 0.35rem 0.25rem; text-align: right; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
.admin-lib-table th { font-weight: 700; color: #6b7280; }
.admin-lib-thumb { width: 1.75rem; height: 2.5rem; object-fit: cover; border-radius: 0.2rem; vertical-align: middle; margin-left: 0.35rem; }
.admin-lib-status { font-size: 0.58rem; padding: 0.1rem 0.35rem; border-radius: 999px; }
.admin-lib-status--published { background: #d1fae5; color: #047857; }
.admin-lib-status--draft { background: #fef3c7; color: #b45309; }
.admin-lib-cover-preview-img { max-width: 5rem; max-height: 7.5rem; border-radius: 0.35rem; margin-top: 0.35rem; }
.admin-lib-progress { height: 4px; background: #e5e7eb; border-radius: 999px; overflow: hidden; margin-top: 0.25rem; }
.admin-lib-progress__bar { height: 100%; width: 0; transition: width 0.3s; }
.admin-lib-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
@media (max-width: 640px) { .admin-lib-form-grid { grid-template-columns: 1fr; } }
.admin-lib-flag-row { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.65rem; }

html.dark .lib-hero__title { color: #c7d2fe; }
html.dark .lib-book-card__title { color: #e2e8f0; }
html.dark .book-detail-dialog { background: #1e293b; }
html.dark .lib-detail__title { color: #f1f5f9; }

.video-modal-desc {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 0.35rem;
    line-height: 1.5;
}

.video-modal-meta {
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 0.15rem;
}

.clips-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.clips-toolbar input,
.clips-toolbar select {
    flex: 1;
    min-width: 8rem;
    padding: 0.45rem 0.6rem;
    border-radius: 0.65rem;
    border: 1px solid #e2e8f0;
    font-size: 0.72rem;
    font-family: inherit;
}

.clips-category-section {
    margin-bottom: 1.25rem;
}

.clips-category-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: #1e293b;
    margin: 0 0 0.55rem;
    padding-right: 0.35rem;
    border-right: 3px solid #3b82f6;
}

.clips-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
}

@media (min-width: 640px) {
    .clips-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .clips-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.clips-card {
    display: flex;
    flex-direction: column;
    text-align: right;
    border: 1px solid #e2e8f0;
    border-radius: 0.85rem;
    background: #fff;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    padding: 0;
    font-family: inherit;
    width: 100%;
}

.clips-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1);
}

.clips-card__media {
    position: relative;
    aspect-ratio: 16/10;
    background: #0f172a;
    overflow: hidden;
}

.clips-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.clips-card__img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    background: linear-gradient(145deg, #1e293b, #334155);
}

.clips-card__img--placeholder svg {
    width: 2.5rem;
    height: 2.5rem;
}

.clips-card__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    background: rgba(0, 0, 0, 0.25);
    opacity: 0;
    transition: opacity 0.2s;
}

.clips-card:hover .clips-card__play {
    opacity: 1;
}

.clips-card__tags {
    position: absolute;
    top: 0.35rem;
    right: 0.35rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
    justify-content: flex-end;
}

.clips-card__tag {
    font-size: 0.5rem;
    font-weight: 700;
    padding: 0.15rem 0.35rem;
    border-radius: 0.35rem;
    background: rgba(59, 130, 246, 0.92);
    color: #fff;
}

.clips-card__title {
    font-size: 0.68rem;
    font-weight: 700;
    color: #1e293b;
    padding: 0.45rem 0.5rem 0.55rem;
    line-height: 1.35;
}

.clips-empty,
.clips-row-empty {
    font-size: 0.72rem;
    color: #64748b;
    text-align: center;
    padding: 1.5rem 0.5rem;
}

.admin-clip-cat-row,
.admin-clip-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.4rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    margin-bottom: 0.35rem;
}

.admin-clip-cat-drag,
.admin-clip-drag {
    cursor: grab;
    color: #94a3b8;
    font-size: 0.85rem;
    user-select: none;
    flex-shrink: 0;
}

.admin-clip-cat-order {
    font-size: 0.6rem;
    font-weight: 700;
    color: #64748b;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.admin-clip-embed-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.35rem;
}

.admin-clip-embed-tabs button {
    font-size: 0.62rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.45rem;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    font-family: inherit;
    cursor: pointer;
}

.admin-clip-embed-tabs button.active {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.admin-clip-poster-thumb {
    max-width: 6rem;
    max-height: 4rem;
    border-radius: 0.4rem;
    object-fit: cover;
    margin-top: 0.35rem;
}

html.dark .clips-card {
    background: rgba(30, 41, 59, 0.65);
    border-color: #334155;
}

html.dark .clips-card__title,
html.dark .clips-category-title {
    color: #e2e8f0;
}

html.dark .clips-toolbar input,
html.dark .clips-toolbar select {
    background: rgba(30, 41, 59, 0.55);
    border-color: #334155;
    color: #e2e8f0;
}

html.dark .media-item-card,
html.dark .team-member-card {
    background: rgba(30, 41, 59, 0.65);
    border-color: #334155;
}

html.dark .team-detail-panel {
    background: rgba(30, 41, 59, 0.55);
    border-color: #475569;
}

.chart-box {
    position: relative;
    height: min(420px, 55vh);
    width: 100%;
    min-height: 360px;
    border-radius: 1rem;
    overflow: hidden;
}

@media (min-width: 768px) {
    .chart-box {
        height: min(460px, 60vh);
    }
}

@media (min-width: 1024px) {
    .chart-box {
        height: 360px;
    }
}

html.dark .mobile-bottom-nav,
html.dark .desktop-sidebar {
    background: #1e293b;
    border-color: #334155;
}