/* ============================================================
   LIBRARY — COMPLETE CSS (List + Detail + Comments + Filters)
   ============================================================ */

/* ═══════════════════════════════════════════════
   VARIABLES
   ═══════════════════════════════════════════════ */
:root {
    --lib-primary: #6a1e55;
    --lib-primary-light: #8a2e75;
    --lib-primary-dark: #4a1540;
    --lib-gold: #deb887;
    --lib-success: #27ae60;
    --lib-danger: #e74c3c;
    --lib-text: #222;
    --lib-text-soft: #666;
    --lib-text-mute: #999;
    --lib-border: #ececec;
    --lib-border-soft: #f5f5f5;
    --lib-bg-soft: #f8f8f8;
    --lib-radius: 14px;
    --lib-radius-lg: 20px;
    --lib-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.04);
    --lib-shadow-md: 0 4px 12px rgba(106, 30, 85, 0.08), 0 12px 32px rgba(106, 30, 85, 0.12);
}

/* ═══════════════════════════════════════════════
   1. LIST PAGE — HERO & FILTERS
   ═══════════════════════════════════════════════ */
.lib-hero {
    padding: 24px 0;
}

.lib-hero__box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
    padding: 36px 44px;
    background: linear-gradient(135deg, #6a1e55 0%, #4a1540 100%);
    border-radius: var(--lib-radius-lg);
    color: #fff;
    overflow: hidden;
    position: relative;
}

.lib-hero__box::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--lib-gold);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    top: -120px;
    right: -60px;
    pointer-events: none;
}

.lib-hero__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lib-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--lib-gold);
    width: fit-content;
}

.lib-hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--lib-gold);
    border-radius: 50%;
}

.lib-hero__title {
    font-size: 1.9rem;
    font-weight: 900;
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.8px;
}

.lib-hero__title span {
    color: var(--lib-gold);
}

.lib-hero__text {
    font-size: 0.88rem;
    line-height: 1.85;
    margin: 0;
    opacity: 0.85;
    max-width: 500px;
}

.lib-hero__visual {
    position: relative;
    z-index: 1;
}

.lib-hero__visual-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    color: var(--lib-gold);
    backdrop-filter: blur(10px);
}

/* Filters */
.course-filter {
    background: #fff;
    border: 1px solid var(--lib-border);
    border-radius: var(--lib-radius);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--lib-shadow-sm);
}

.course-filter__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--lib-border-soft);
}

.course-filter__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 800;
    color: var(--lib-text);
    margin: 0;
}

.course-filter__title svg {
    width: 20px !important;
    height: 20px !important;
    color: var(--lib-primary);
}

.course-filter__reset {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--lib-danger);
    text-decoration: none;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.2s;
}

.course-filter__reset:hover {
    background: rgba(231, 76, 60, 0.08);
}

.course-filter__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.course-filter__search .input-group {
    display: flex;
    border: 1.5px solid var(--lib-border);
    border-radius: 10px;
    overflow: hidden;
}

.course-filter__search .input-group-text {
    background: var(--lib-bg-soft);
    border: none;
    color: var(--lib-text-mute);
    padding: 0 14px;
    display: flex;
    align-items: center;
}

.course-filter__search .form-control {
    border: none;
    padding: 12px;
    font-size: 0.85rem;
    font-family: inherit;
    flex: 1;
    background: transparent;
}

.course-filter__search .form-control:focus {
    outline: none;
    box-shadow: none;
}

.course-filter__search .clear-btn {
    cursor: pointer;
}

.course-filter__row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.course-filter__row .form-select {
    padding: 10px 14px;
    border: 1.5px solid var(--lib-border);
    border-radius: 10px;
    font-size: 0.82rem;
    font-family: inherit;
    color: var(--lib-text);
    background-color: #fff;
    cursor: pointer;
}

.course-filter__row .form-select:focus {
    outline: none;
    border-color: var(--lib-primary);
}

.course-filter__submit {
    display: none;
}

/* Toolbar & Chips */
.course-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.course-toolbar__count {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--lib-text-soft);
}

.course-toolbar__count strong {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--lib-primary);
}

.course-toolbar__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: #fff;
    border: 1px solid rgba(106, 30, 85, 0.15);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--lib-text);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.filter-chip__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: rgba(106, 30, 85, 0.1);
    color: var(--lib-primary);
    border-radius: 50%;
    font-size: 1rem;
    line-height: 1;
    text-decoration: none;
    transition: all 0.2s;
}

.filter-chip__close:hover {
    background: var(--lib-danger);
    color: #fff;
}

/* ═══════════════════════════════════════════════
   2. BOOK CARD
   ═══════════════════════════════════════════════ */
.bk-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border: 1px solid var(--lib-border);
    border-radius: var(--lib-radius);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: var(--lib-shadow-sm);
}

.bk-card:hover {
    border-color: rgba(106, 30, 85, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--lib-shadow-md);
}

.bk-card__img-wrap {
    position: relative;
    display: block;
    aspect-ratio: 4 / 5;
    background: var(--lib-bg-soft);
    overflow: hidden;
}

.bk-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.bk-card:hover .bk-card__img {
    transform: scale(1.05);
}

.bk-card__img-empty {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d0d0d0;
}

.bk-card__badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 8px;
    background: rgba(231, 76, 60, 0.95);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 800;
    border-radius: 5px;
    z-index: 2;
}

.bk-card__body {
    padding: 10px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex-grow: 1;
}

.bk-card__title {
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--lib-text);
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

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

.bk-card__title a:hover {
    color: var(--lib-primary);
}

.bk-card__desc {
    font-size: 0.7rem;
    color: var(--lib-text-mute);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.1em;
}

.bk-card__info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--lib-border);
    margin-top: auto;
}

.bk-card__info-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
    color: var(--lib-text-soft);
    white-space: nowrap;
}

.bk-card__info-icon {
    width: 12px !important;
    height: 12px !important;
    flex-shrink: 0;
    color: var(--lib-primary);
    opacity: 0.7;
    display: inline-block;
}

.bk-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px;
    background: linear-gradient(135deg, var(--lib-primary), var(--lib-primary-light));
    color: #fff;
    border-radius: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    margin-top: 4px;
    text-decoration: none;
    transition: all 0.3s;
}

.bk-card__cta:hover {
    color: #fff;
    box-shadow: 0 4px 14px rgba(106, 30, 85, 0.3);
    transform: translateY(-1px);
}

/* Empty State */
.lib-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border: 1px dashed var(--lib-border);
    border-radius: var(--lib-radius-lg);
}

.lib-empty svg {
    width: 64px !important;
    height: 64px !important;
    color: var(--lib-border);
    margin-bottom: 16px;
    fill: currentColor;
}

.lib-empty h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--lib-text);
    margin: 0 0 8px;
}

.lib-empty p {
    font-size: 0.85rem;
    color: var(--lib-text-mute);
    margin: 0;
}

/* ═══════════════════════════════════════════════
   3. BOOK DETAIL PAGE — BULLETPROOF LAYOUT
   ═══════════════════════════════════════════════ */
.bd-page {
    padding: 30px 0 60px;
}

#book-detail-page {
    width: 100%;
    font-family: inherit;
}

/* ─── بخش بالا ─── */
#book-detail-page .bd-top-wrapper {
    display: flex !important;
    flex-direction: row !important;
    gap: 30px !important;
    background: #fff !important;
    border: 1px solid #ececec !important;
    border-radius: 16px !important;
    padding: 24px !important;
    margin-bottom: 24px !important;
    align-items: flex-start !important;
}

#book-detail-page .bd-img-box {
    width: 240px !important;
    min-width: 240px !important;
    flex-shrink: 0 !important;
    position: relative !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    background: #f8f8f8 !important;
}

#book-detail-page .bd-img-box img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: cover !important;
}

#book-detail-page .bd-top-badge {
    position: absolute !important;
    top: 10px !important;
    right: 10px !important;
    padding: 4px 10px !important;
    background: rgba(231, 76, 60, 0.95) !important;
    color: #fff !important;
    font-size: 0.7rem !important;
    font-weight: 800 !important;
    border-radius: 6px !important;
}

#book-detail-page .bd-info-box {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    min-width: 300px !important;
}

#book-detail-page .bd-cat-badge {
    display: inline-block !important;
    width: fit-content !important;
    padding: 4px 12px !important;
    background: rgba(106, 30, 85, 0.08) !important;
    color: #6a1e55 !important;
    border-radius: 100px !important;
    font-size: 0.75rem !important;
    font-weight: 700 !important;
}

#book-detail-page .bd-main-title {
    font-size: 1.8rem !important;
    font-weight: 900 !important;
    margin: 0 !important;
    line-height: 1.3 !important;
    color: #222 !important;
}

#book-detail-page .bd-short-desc {
    font-size: 0.9rem !important;
    line-height: 1.8 !important;
    color: #666 !important;
    margin: 0 !important;
    padding: 12px 16px !important;
    background: #f8f8f8 !important;
    border-right: 3px solid #6a1e55 !important;
    border-radius: 8px !important;
}

/* ─── مشخصات ─── */
#book-detail-page .bd-meta-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 12px !important;
    margin-top: 8px !important;
}

#book-detail-page .bd-meta-card {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 12px !important;
    background: #f8f8f8 !important;
    border-radius: 10px !important;
    border: 1px solid #f0f0f0 !important;
}

#book-detail-page .bd-meta-icon {
    width: 36px !important;
    height: 36px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #fff !important;
    color: #6a1e55 !important;
    border-radius: 8px !important;
    flex-shrink: 0 !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03) !important;
}

#book-detail-page .bd-meta-icon svg {
    width: 18px !important;
    height: 18px !important;
    fill: #6a1e55 !important;
    display: block !important;
}

#book-detail-page .bd-meta-text {
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
}

#book-detail-page .bd-meta-text span {
    font-size: 0.68rem !important;
    color: #999 !important;
    margin-bottom: 2px !important;
}

#book-detail-page .bd-meta-text strong {
    font-size: 0.82rem !important;
    font-weight: 700 !important;
    color: #222 !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    overflow: hidden !important;
}

/* ─── دکمه‌ها ─── */
#book-detail-page .bd-action-row {
    display: flex !important;
    align-items: center !important;
    gap: 16px !important;
    margin-top: 10px !important;
    flex-wrap: wrap !important;
}

#book-detail-page .bd-btn-read {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 12px 24px !important;
    background: linear-gradient(135deg, #6a1e55, #8a2e75) !important;
    color: #fff !important;
    border-radius: 12px !important;
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    box-shadow: 0 4px 14px rgba(106, 30, 85, 0.3) !important;
}

#book-detail-page .bd-stats-row {
    display: flex !important;
    align-items: center !important;
    gap: 16px !important;
}

#book-detail-page .bd-view-badge {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    font-size: 0.82rem !important;
    color: #666 !important;
    font-weight: 600 !important;
}

#book-detail-page .bd-view-badge svg {
    width: 16px !important;
    height: 16px !important;
    fill: currentColor !important;
}

/* ─── بخش پایین ─── */
#book-detail-page .bd-bottom-wrapper {
    display: grid !important;
    grid-template-columns: 1fr 300px !important;
    gap: 24px !important;
    align-items: start !important;
}

#book-detail-page .bd-bottom-main,
#book-detail-page .bd-bottom-side {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
}

#book-detail-page .bd-card-box {
    background: #fff !important;
    border: 1px solid #ececec !important;
    border-radius: 16px !important;
    padding: 20px !important;
}

#book-detail-page .bd-card-title {
    font-size: 1rem !important;
    font-weight: 800 !important;
    color: #222 !important;
    margin: 0 0 14px !important;
    padding-bottom: 10px !important;
    border-bottom: 1px solid #f5f5f5 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

#book-detail-page .bd-card-title svg {
    width: 18px !important;
    height: 18px !important;
    fill: currentColor !important;
}

#book-detail-page .bd-box-content {
    font-size: 0.85rem !important;
    line-height: 2 !important;
    color: #666 !important;
    text-align: justify !important;
}

#book-detail-page .bd-box-content img {
    max-width: 100% !important;
    border-radius: 8px !important;
    margin: 10px 0 !important;
}

/* ─── برچسب‌ها و اشتراک ─── */
#book-detail-page .bd-tags {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
}

#book-detail-page .bd-tag {
    padding: 6px 14px !important;
    background: #f8f8f8 !important;
    color: #666 !important;
    border-radius: 100px !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
}

#book-detail-page .bd-share-buttons {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    margin-top: 10px !important;
}

#book-detail-page .bd-share-btn {
    width: 44px !important;
    height: 44px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #f8f8f8 !important;
    border: 1px solid #ececec !important;
    border-radius: 50% !important;
    color: #666 !important;
    cursor: pointer !important;
    transition: all 0.25s ease !important;
    padding: 0 !important;
}

#book-detail-page .bd-share-btn:hover {
    background: #fff !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

#book-detail-page .bd-share-btn svg {
    width: 20px !important;
    height: 20px !important;
    fill: currentColor !important;
}

#book-detail-page .bd-share-btn--copy:hover {
    color: #6a1e55 !important;
    border-color: #6a1e55 !important;
}

#book-detail-page .bd-share-btn--wa:hover {
    color: #25D366 !important;
    border-color: #25D366 !important;
}

#book-detail-page .bd-share-btn--tg:hover {
    color: #229ED9 !important;
    border-color: #229ED9 !important;
}

#book-detail-page .bd-share-btn--copy.is-copied {
    background: #e8f8ee !important;
    color: #27ae60 !important;
    border-color: #27ae60 !important;
}

/* ─── نظرات ─── */
#book-detail-page .bd-comment-form textarea {
    width: 100% !important;
    padding: 12px !important;
    background: #f8f8f8 !important;
    border: 1.5px solid #ececec !important;
    border-radius: 10px !important;
    font-family: inherit !important;
    font-size: 0.85rem !important;
    min-height: 80px !important;
    resize: vertical !important;
}

#book-detail-page .bd-comment-form textarea:focus {
    outline: none !important;
    border-color: #6a1e55 !important;
    background: #fff !important;
}

#book-detail-page .bd-comment-submit {
    margin-top: 8px !important;
    padding: 8px 20px !important;
    background: #6a1e55 !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 0.8rem !important;
    font-weight: 700 !important;
    cursor: pointer !important;
}

#book-detail-page .bd-comment {
    display: flex !important;
    gap: 12px !important;
    padding: 16px 0 !important;
    border-top: 1px dashed #ececec !important;
}

#book-detail-page .bd-comment-avatar {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #6a1e55, #8a2e75) !important;
    color: #fff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 800 !important;
    flex-shrink: 0 !important;
}

#book-detail-page .bd-comment-head {
    display: flex !important;
    justify-content: space-between !important;
    margin-bottom: 4px !important;
}

#book-detail-page .bd-comment-name {
    font-size: 0.8rem !important;
    font-weight: 700 !important;
    color: #222 !important;
}

#book-detail-page .bd-comment-date {
    font-size: 0.7rem !important;
    color: #999 !important;
}

#book-detail-page .bd-comment-text {
    font-size: 0.82rem !important;
    line-height: 1.8 !important;
    color: #666 !important;
    margin: 0 !important;
    text-align: justify !important;
}

#book-detail-page .bd-comment-empty {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 40px 20px !important;
    background: #f8f8f8 !important;
    border-radius: 12px !important;
    border: 1px dashed #ececec !important;
    margin-top: 16px !important;
}

#book-detail-page .bd-comment-empty svg {
    color: #d0d0d0 !important;
    margin-bottom: 12px !important;
    width: 48px !important;
    height: 48px !important;
    fill: currentColor !important;
    display: block !important;
}

#book-detail-page .bd-comment-empty p {
    margin: 0 !important;
    font-size: 0.85rem !important;
    color: #999 !important;
}

#book-detail-page .bd-comment-login {
    text-align: center !important;
    padding: 20px !important;
    background: #f8f8f8 !important;
    border-radius: 10px !important;
    margin-bottom: 16px !important;
}

#book-detail-page .bd-comment-login p {
    margin: 0 0 10px !important;
    font-size: 0.82rem !important;
    color: #666 !important;
}

#book-detail-page .bd-comment-login a {
    display: inline-block !important;
    padding: 8px 20px !important;
    background: #6a1e55 !important;
    color: #fff !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    font-size: 0.8rem !important;
    font-weight: 700 !important;
}

/* ─── ریسپانسیو ─── */
@media (max-width: 991.98px) {
    .lib-hero__box {
        grid-template-columns: 1fr;
        padding: 28px 24px;
    }

    .lib-hero__title {
        font-size: 1.5rem;
    }

    .lib-hero__visual {
        display: none;
    }

    .course-filter__row {
        grid-template-columns: 1fr;
    }

    .course-filter__submit {
        display: block;
    }

    #book-detail-page .bd-top-wrapper {
        flex-direction: column !important;
    }

    #book-detail-page .bd-img-box {
        width: 200px !important;
        margin: 0 auto !important;
    }

    #book-detail-page .bd-meta-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    #book-detail-page .bd-bottom-wrapper {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 575.98px) {
    .bk-card__body {
        padding: 10px;
        gap: 5px;
    }

    .bk-card__title {
        font-size: 0.78rem;
    }

    .bk-card__info-item {
        font-size: 0.62rem;
    }

    #book-detail-page .bd-meta-grid {
        grid-template-columns: 1fr !important;
    }

    #book-detail-page .bd-action-row {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    #book-detail-page .bd-stats-row {
        justify-content: space-between !important;
    }
}