/* ============================================================
   MODULE.CSS v3.0 - 组件样式
   ============================================================
   匹配 Section 模板:
   - AuthorBoxSection / AuthorProfileSection / AuthorPostsListSection / MainAuthorsSection
   - FaqSection
   - SidebarWidgetsSection
   - PaginationSection
   - SearchBoxSection / SearchResultsSection
   - Error404Section
   - LegalArticleSection
   - PostListSection / RelatedPostsSection
   - SocialShareSection
   ============================================================ */

/* Conservative tight-rhythm asymmetric-blocks identity */
:root{
    --color-primary:#5b5cf6;
    --color-primary-dark:#3f3fe0;
    --color-primary-darker:#2a2abd;

    --color-accent:#ff4d6d;
    --color-success:#12b981;

    --color-bg:#0b1220;
    --color-bg-soft:#111a2f;
    --color-bg-muted:#0f172a;

    --color-text:#eaf0ff;
    --color-text-light:rgba(234,240,255,.72);

    --color-border:rgba(91,92,246,.35);
    --color-border-soft:rgba(234,240,255,.14);

    --transition-fast:150ms cubic-bezier(.2,.75,.25,1);
    --transition-base:220ms cubic-bezier(.2,.75,.25,1);
    --transition-slow:420ms cubic-bezier(.2,.75,.25,1);

    --radius-pill:999px;
    --radius-lg:10px;
    --radius-sm:6px;

    --space-xs:10px;
    --space-sm:16px;

    --shadow-sm: 0 2px 10px rgba(91,92,246,.18);
    --shadow-md:
        0 3px 18px rgba(15,23,42,.55),
        0 8px 24px rgba(91,92,246,.12);
    --shadow-lg:
        0 6px 26px rgba(15,23,42,.65),
        0 10px 32px rgba(255,77,109,.10);
    --shadow-xl:
        0 10px 36px rgba(15,23,42,.70),
        0 18px 52px rgba(91,92,246,.16),
        0 2px 0 rgba(255,77,109,.14);
}

/* ============================================
   1. Author Profile (AuthorProfileSection)
   ============================================ */
.author-profile {
    background:
        radial-gradient(1200px 420px at 8% 0%, rgba(255,77,109,.24) 0%, rgba(255,77,109,0) 55%),
        radial-gradient(900px 360px at 95% 10%, rgba(91,92,246,.26) 0%, rgba(91,92,246,0) 60%),
        linear-gradient(135deg, rgba(255,255,255,.95) 0%, var(--color-bg-soft) 100%);
}

.author-profile h1 {
    color: var(--color-primary-darker);
    text-shadow: 0 1px 0 rgba(0,0,0,.2);
}

.author-profile img.rounded-circle {
    border: 4px solid rgba(255,255,255,.92);
    box-shadow:
        0 6px 18px rgba(15,23,42,.35),
        0 2px 0 rgba(91,92,246,.18);
    border-radius: 8px;
}

.author-profile .badge.bg-light {
    background: linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(17,26,47,.10) 100%) !important;
    color: var(--color-text) !important;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid rgba(91,92,246,.22);
    border-radius: 6px;
}

.author-profile .badge.bg-light:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
    color: #fff !important;
    box-shadow:
        0 10px 26px rgba(91,92,246,.28),
        0 2px 0 rgba(255,77,109,.12);
}

/* ============================================
   2. Author Box (AuthorBoxSection)
   ============================================ */
.author-box {
    border-inline-start: 4px solid var(--color-accent);
    transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
    border-radius: 4px;
}

.author-box:hover {
    box-shadow:
        0 10px 26px rgba(15,23,42,.62),
        0 3px 0 rgba(91,92,246,.16);
    transform: translateY(-1px);
}

.author-box img {
    transition: transform var(--transition-fast), filter var(--transition-fast), border-color var(--transition-fast);
    filter: saturate(1.02) contrast(1.02);
}

.author-box:hover img {
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.05);
}

/* ============================================
   3. Author Posts List (AuthorPostsListSection)
   ============================================ */
.author-posts-list .card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid rgba(234,240,255,.12);
    background: linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.01) 100%);
}

.author-posts-list .card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 14px 34px rgba(15,23,42,.70),
        0 6px 18px rgba(91,92,246,.18);
    border-color: rgba(91,92,246,.55);
}

.author-posts-list .card-img-top {
    transition: transform var(--transition-slow), filter var(--transition-slow);
    filter: saturate(1.03) contrast(1.02);
}

.author-posts-list .card:hover .card-img-top {
    transform: scale(1.05);
    filter: saturate(1.1) contrast(1.06);
}

/* ============================================
   4. Main Authors (MainAuthorsSection)
   ============================================ */
.main-authors-section {
    background:
        linear-gradient(180deg, rgba(17,26,47,.85) 0%, rgba(11,18,32,.9) 100%);
}

.author-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border: 1px solid rgba(234,240,255,.14);
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.01) 100%);
}

.author-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 16px 44px rgba(15,23,42,.72),
        0 10px 34px rgba(255,77,109,.10),
        0 2px 0 rgba(91,92,246,.14);
    border-color: rgba(255,77,109,.45);
}

.author-card img.rounded-circle {
    border: 3px solid rgba(15,23,42,.65);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    border-radius: 6px;
}

.author-card:hover img.rounded-circle {
    border-color: rgba(91,92,246,.92);
    box-shadow:
        0 10px 24px rgba(91,92,246,.22),
        0 2px 0 rgba(255,77,109,.12);
}

/* ============================================
   5. FAQ (FaqSection) - <details>/<summary>
   ============================================ */
.faq-section {
    background:
        radial-gradient(800px 300px at 20% 0%, rgba(91,92,246,.16) 0%, rgba(91,92,246,0) 60%),
        radial-gradient(650px 260px at 90% 20%, rgba(255,77,109,.14) 0%, rgba(255,77,109,0) 55%),
        linear-gradient(180deg, var(--color-bg-soft) 0%, rgba(255,255,255,.90) 100%);
}

.faq-section h2 {
    font-size: 1.75rem;
    color: var(--color-primary-darker);
    text-shadow: 0 1px 0 rgba(0,0,0,.12);
}

/* FAQ item */
.faq-list .faq-item {
    border: 1px solid rgba(234,240,255,.12);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    cursor: pointer;
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.01) 100%);
}

.faq-list .faq-item:hover {
    box-shadow:
        0 10px 26px rgba(15,23,42,.60),
        0 6px 16px rgba(91,92,246,.14) !important;
    transform: translateY(-2px);
    border-color: rgba(91,92,246,.42);
}

.faq-list .faq-item[open] {
    border-color: rgba(91,92,246,.45);
    background:
        linear-gradient(90deg, rgba(91,92,246,.18) 0%, rgba(255,255,255,.95) 40%, rgba(17,26,47,.06) 100%);
    box-shadow:
        0 14px 34px rgba(15,23,42,.65),
        0 2px 0 rgba(255,77,109,.10);
}

/* summary */
.faq-list .faq-item summary {
    list-style: none;
    cursor: pointer;
    font-size: 1.05rem;
    line-height: 1.6;
    padding-inline-end: 2rem;
    position: relative;
    user-select: none;
    color: var(--color-text);
}

.faq-list .faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-list .faq-item summary::marker {
    content: '';
}

.faq-list .faq-item summary::after {
    content: '+';
    position: absolute;
    inset-inline-end: 0.25rem;
    inset-block-start: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-accent);
    transition: transform var(--transition-base), color var(--transition-base);
    line-height: 1;
    text-shadow: 0 2px 10px rgba(255,77,109,.18);
}

.faq-list .faq-item[open] summary::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
    color: var(--color-primary);
}

/* Q number */
.faq-list .faq-q-num {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-primary);
    text-shadow: 0 1px 0 rgba(0,0,0,.12);
}

/* Answer */
.faq-list .faq-answer {
    font-size: 0.95rem;
    line-height: 1.8;
    animation: faqFadeIn var(--transition-base);
    color: rgba(234,240,255,.92);
}

@keyframes faqFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
        filter: blur(2px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* ============================================
   6. Sidebar Widgets (SidebarWidgetsSection)
   ============================================ */
.sidebar-widgets .card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    border-radius: 4px;
    border: 1px solid rgba(234,240,255,.12);
    background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.01) 100%);
}

.sidebar-widgets .card:hover {
    box-shadow:
        0 12px 30px rgba(15,23,42,.62),
        0 6px 18px rgba(91,92,246,.14);
    transform: translateY(-1px);
}

.sidebar-widgets h5 {
    color: var(--color-primary-darker);
    text-shadow: 0 1px 0 rgba(0,0,0,.12);
}

.sidebar-widgets .badge {
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
    border-radius: 6px;
    border: 1px solid rgba(91,92,246,.24);
}

.sidebar-widgets .badge:hover {
    background-color: var(--color-primary) !important;
    color: white !important;
    transform: translateY(-1px);
    box-shadow:
        0 12px 28px rgba(91,92,246,.28),
        0 2px 0 rgba(255,77,109,.10);
    border-color: rgba(91,92,246,.75) !important;
}

.sidebar-widgets ul li:last-child {
    border-bottom: 0 !important;
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

.sidebar-widgets ul li a:hover .small {
    color: var(--color-accent) !important;
}

/* ============================================
   7. Pagination (PaginationSection)
   ============================================ */
.pagination .page-link {
    color: var(--color-primary);
    border-color: rgba(91,92,246,.40);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    border-radius: 4px;
    background: transparent;
}

.pagination .page-link:hover {
    background-color: rgba(17,26,47,.55);
    color: var(--color-primary-dark);
    border-color: rgba(255,77,109,.55);
    box-shadow: 0 10px 22px rgba(15,23,42,.45);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: rgba(91,92,246,.95);
    color: #fff;
    box-shadow:
        0 14px 34px rgba(91,92,246,.32),
        0 2px 0 rgba(255,77,109,.12);
}

.pagination .page-item.disabled .page-link {
    color: var(--color-text-light);
    border-color: rgba(234,240,255,.16);
    background: rgba(255,255,255,.03);
}

/* ============================================
   8. Search Box (SearchBoxSection)
   ============================================ */
.search-box-section {
    background:
        linear-gradient(180deg, rgba(17,26,47,.90) 0%, rgba(11,18,32,.92) 100%);
}

.search-box-section .input-group-lg .form-control {
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
    padding-inline-start: 1.5rem;
    border: 1px solid rgba(91,92,246,.28);
    background: rgba(255,255,255,.03);
    color: var(--color-text);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}

.search-box-section .input-group-lg .form-control::placeholder{
    color: rgba(234,240,255,.55);
}

.search-box-section .input-group-lg .btn {
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    border: 1px solid rgba(255,77,109,.35);
    background: linear-gradient(135deg, var(--color-accent) 0%, #ff7a59 100%);
    color: #fff;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
    box-shadow:
        0 14px 34px rgba(255,77,109,.20),
        0 2px 0 rgba(91,92,246,.10);
}

.search-box-section .badge {
    transition: all var(--transition-fast);
}

.search-box-section .badge:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
    border-color: rgba(91,92,246,.85) !important;
    box-shadow:
        0 12px 28px rgba(91,92,246,.26),
        0 2px 0 rgba(255,77,109,.10);
}

/* ============================================
   9. Search Results (SearchResult
sSection)
   ============================================ */
.search-results-section {
    background:
        radial-gradient(900px 420px at 10% 0%, rgba(255,77,109,.12) 0%, rgba(255,77,109,0) 55%),
        linear-gradient(180deg, rgba(11,18,32,.95) 0%, rgba(17,26,47,.92) 100%);
}

.search-result {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-radius: 4px;
}

.search-result:hover {
    transform: translateX(3px);
    box-shadow:
        0 12px 30px rgba(15,23,42,.62),
        0 6px 18px rgba(91,92,246,.14);
    border-color: rgba(91,92,246,.42);
}

.search-result h2 a:hover {
    color: var(--color-accent) !important;
    text-shadow: 0 10px 24px rgba(255,77,109,.20);
}

.search-result mark {
    background-color: rgba(254,240,138,.92);
    color: rgba(22,22,22,.92);
    padding-inline: 2px;
    border-radius: 2px;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(254,240,138,.20);
}

/* ============================================
   10. Error Page (Error404Section)
   ============================================ */
.error-page h1 {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 52%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1;
    text-shadow:
        0 8px 40px rgba(91,92,246,.18),
        0 3px 0 rgba(255,77,109,.14);
}

.recommended-links .badge {
    transition: all var(--transition-fast);
    border: 1px solid rgba(91,92,246,.35);
    border-radius: 6px;
    background: rgba(255,255,255,.03);
    color: var(--color-text);
}

.recommended-links .badge:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
    border-color: rgba(91,92,246,.95) !important;
    transform: translateY(-2px);
    box-shadow:
        0 16px 42px rgba(91,92,246,.26),
        0 2px 0 rgba(255,77,109,.10);
}

.recommended-links .badge:hover .text-warning {
    color: var(--color-accent) !important;
}

/* ============================================
   11. Legal Article (LegalArticleSection)
   ============================================ */
.legal-article-section,
main:has(> .container > article.bg-white) {
    background:
        radial-gradient(950px 420px at 0% 0%, rgba(91,92,246,.12) 0%, rgba(91,92,246,0) 60%),
        radial-gradient(700px 340px at 100% 20%, rgba(255,77,109,.10) 0%, rgba(255,77,109,0) 55%),
        linear-gradient(180deg, rgba(17,26,47,.88) 0%, rgba(11,18,32,.94) 100%);
}

article :is(h2.h4) {
    color: var(--color-primary-dark);
    border-bottom: 2px solid rgba(255,77,109,.55);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-sm);
    text-shadow: 0 1px 0 rgba(0,0,0,.12);
}

article .alert-info {
    background-color: rgba(239,246,255,.28);
    border-color: rgba(191,219,254,.55);
    color: var(--color-primary-dark);
    box-shadow: 0 10px 24px rgba(59,130,246,.10);
}

article .list-group-item {
    background: transparent;
    transition: all var(--transition-fast);
    border-radius: 4px;
    border: 1px solid rgba(234,240,255,.10);
}

article .list-group-item:hover {
    background: rgba(17,26,47,.55);
    padding-inline-start: var(--space-sm);
    border-color: rgba(91,92,246,.35);
    box-shadow: 0 10px 22px rgba(15,23,42,.45);
}

/* ============================================
   12. Post List (PostListSection - Category page)
   ============================================ */
.posts-grid {
    /* Container nếu cần */
}

.posts-grid .card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border: 1px solid rgba(234,240,255,.12);
    overflow: hidden;
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.01) 100%);
}

.posts-grid .card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 14px 34px rgba(15,23,42,.70),
        0 6px 18px rgba(255,77,109,.10);
    border-color: rgba(91,92,246,.55);
}

.posts-grid .card-img-top {
    transition: transform var(--transition-slow), filter var(--transition-slow);
    filter: saturate(1.03) contrast(1.02);
}

.posts-grid .card:hover .card-img-top {
    transform: scale(1.05);
    filter: saturate(1.10) contrast(1.06);
}

.posts-grid .card-title a {
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.posts-grid .card-title a:hover {
    color: var(--color-primary) !important;
    text-shadow: 0 12px 28px rgba(91,92,246,.22);
}

/* ============================================
   13. Related Posts (RelatedPostsSection)
   ============================================ */
.related-posts h3 {
    border-bottom: 3px solid rgba(91,92,246,.65);
    padding-bottom: var(--space-xs);
    display: inline-block;
    text-shadow: 0 1px 0 rgba(0,0,0,.12);
}

.related-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-radius: 4px;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 12px 30px rgba(15,23,42,.62),
        0 6px 18px rgba(91,92,246,.14);
    border-color: rgba(255,77,109,.32);
}

.related-card img {
    transition: transform var(--transition-slow), filter var(--transition-slow);
    filter: saturate(1.03) contrast(1.02);
}

.related-card:hover img {
    transform: scale(1.05);
    filter: saturate(1.10) contrast(1.06);
}

/* ============================================
   14. Social Share (SocialShareSection)
   ============================================ */
.social-share .btn {
    min-width: 40px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), filter var(--transition-fast);
    border-radius: 6px;
}

.social-share .btn:hover {
    transform: translateY(-2px);
    box-shadow:
        0 12px 26px rgba(15,23,42,.55),
        0 6px 16px rgba(91,92,246,.14);
    filter: saturate(1.08);
}

.social-share [data-copy-url].copied {
    background-color: var(--color-success);
    color: #fff;
    border-color: rgba(18,185,129,.95);
    box-shadow:
        0 14px 34px rgba(18,185,129,.22),
        0 2px 0 rgba(91,92,246,.10);
}

/* ============================================
   15. Bootstrap Accordion override
   ============================================ */
.accordion-button:not(.collapsed) {
    background-color: rgba(239,246,255,.35);
    color: var(--color-primary-dark);
    box-shadow: none;
    border-radius: 4px;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(91,92,246,.20);
    border-color: rgba(91,92,246,.40);
}

/* ============================================
   16. Modal (用于 SocialShare 微信二维码)
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow:
        0 24px 70px rgba(0,0,0,.45),
        0 12px 34px rgba(91,92,246,.16),
        0 2px 0 rgba(255,77,109,.12);
    background: linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(17,26,47,.92) 100%);
}

/* ============================================
   17. Tooltip (Bootstrap)
   ============================================ */
.tooltip-inner {
    background-color: var(--color-primary-darker);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    box-shadow:
        0 12px 30px rgba(0,0,0,.35),
        0 6px 16px rgba(91,92,246,.18);
    padding: .35rem .55rem;
}

/* ============================================
   18. Responsive
   ============================================ */
@media (max-width: 767.98px) {
    .faq-section h2 {
        font-size: 1.4rem;
    }

    .faq-list .faq-item summary {
        font-size: 0.95rem;
        padding-inline-end: 1.5rem;
    }

    .faq-list .faq-answer {
        font-size: 0.88rem;
    }

    .author-profile h1 {
        font-size: 1.5rem;
    }

    .author-profile .col-md-3 img {
        width: 120px !important;
        height: 120px !important;
        border-radius: 6px;
        box-shadow:
            0 6px 18px rgba(15,23,42,.35),
            0 2px 0 rgba(91,92,246,.18);
    }

    .error-page h1 {
        font-size: 5rem !important;
        text-shadow:
            0 8px 46px rgba(91,92,246,.20),
            0 3px 0 rgba(255,77,109,.14);
    }

    .search-box-section .input-group-lg .form-control,
    .search-box-section .input-group-lg .btn {
        font-size: 1rem;
    }
}

@media (max-width: 575.98px) {
    .related-posts .row > [class*="col-"] {
        margin-bottom: var(--space-sm);
    }

    .pagination .page-link {
        padding: 0.4rem 0.7rem;
        font-size: 0.9rem;
        border-radius: 4px;
    }
}