/* ============================================================
   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
   ============================================================ */

:root{
    --color-bg:#1e293b;
    --color-bg-soft:#334155;
    --color-bg-muted:#2b3646;
    --color-text:#e6eef8;
    --color-text-light:#b8c7db;
    --color-primary:#3b82f6;
    --color-primary-dark:#2563eb;
    --color-primary-darker:#1d4ed8;
    --color-accent:#3b82f6;
    --color-success:#22c55e;
    --color-border:#475569;
    --color-border-soft:#3b475c;

    --shadow-sm:none;
    --shadow-md:none;
    --shadow-lg:none;
    --shadow-xl:none;

    --radius-sm:2px;
    --radius-pill:999px;
    --radius-lg:6px;

    --space-xs:8px;
    --space-sm:12px;

    --transition-fast:140ms;
    --transition-base:170ms;
    --transition-slow:260ms;
    --shadow-color:rgba(0,0,0,0);
}

/* ============================================
   1. Author Profile (AuthorProfileSection)
   ============================================ */
.author-profile {
    background: #334155;
}

.author-profile h1 {
    color: var(--color-primary-darker);
}

.author-profile img.rounded-circle {
    border: 4px solid #fff;
    box-shadow: none;
}

.author-profile .badge.bg-light {
    background: var(--color-bg-muted) !important;
    color: var(--color-text) !important;
    transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease, transform var(--transition-fast) ease, border-color var(--transition-fast) ease;
    opacity: 0.95;
    border: 1px solid rgba(71, 85, 105, 0.8);
}

.author-profile .badge.bg-light:hover {
    background: var(--color-primary) !important;
    color: #fff !important;
    border-color: var(--color-primary) !important;
    opacity: 1;
}

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

.author-box:hover {
    box-shadow: none;
    transform: translateY(-1px);
}

.author-box img {
    transition: transform var(--transition-fast) cubic-bezier(.2,.8,.2,1);
}

.author-box:hover img {
    transform: scale(1.03);
}

/* ============================================
   3. Author Posts List (AuthorPostsListSection)
   ============================================ */
.author-posts-list .card {
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease, background-color var(--transition-base) ease;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid var(--color-border-soft);
}

.author-posts-list .card:hover {
    transform: translateY(-3px);
    box-shadow: none;
    border-color: var(--color-primary);
}

.author-posts-list .card-img-top {
    transition: transform var(--transition-slow) cubic-bezier(.2,.8,.2,1);
}

.author-posts-list .card:hover .card-img-top {
    transform: scale(1.04);
}

/* ============================================
   4. Main Authors (MainAuthorsSection)
   ============================================ */
.main-authors-section {
    background: var(--color-bg-soft);
}

.author-card {
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease, background-color var(--transition-base) ease;
    border: 1px solid var(--color-border-soft);
    border-radius: 4px;
}

.author-card:hover {
    transform: translateY(-6px);
    box-shadow: none;
    border-color: var(--color-primary);
}

.author-card img.rounded-circle {
    border: 3px solid var(--color-bg-muted);
    transition: border-color var(--transition-base) ease, transform var(--transition-base) ease;
}

.author-card:hover img.rounded-circle {
    border-color: var(--color-primary);
    transform: scale(1.01);
}

/* ============================================
   5. FAQ (FaqSection) - <details>/<summary>
   ============================================ */
.faq-section {
    background: #334155;
}

.faq-section h2 {
    font-size: 1.75rem;
    color: var(--color-primary-darker);
}

.faq-list .faq-item {
    border: 1px solid rgba(148, 163, 184, 0.28);
    transition: transform var(--transition-base) ease, background-color var(--transition-base) ease, border-color var(--transition-base) ease;
    cursor: pointer;
    border-radius: 4px;
    background: rgba(15, 23, 42, 0.08);
}

.faq-list .faq-item:hover {
    box-shadow: none !important;
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.55);
}

.faq-list .faq-item[open] {
    border-color: rgba(59, 130, 246, 0.55);
    background: #1e3a8a;
}

/* 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-primary);
    transition: transform var(--transition-base) ease, color var(--transition-base) ease;
    line-height: 1;
}

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

/* Q number */
.faq-list .faq-q-num {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-primary);
}

/* Answer */
.faq-list .faq-answer {
    font-size: 0.95rem;
    line-height: 1.8;
    animation: faqFadeIn var(--transition-base) ease both;
    color: var(--color-text-light);
}

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

/* ============================================
   6. Sidebar Widgets (SidebarWidgetsSection)
   ============================================ */
.sidebar-widgets .card {
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease, background-color var(--transition-base) ease;
    border-radius: 4px;
    border: 1px solid var(--color-border-soft);
    background: rgba(255,255,255,0.03);
}

.sidebar-widgets .card:hover {
    box-shadow: none;
    border-color: rgba(59, 130, 246, 0.55);
    transform: translateY(-2px);
}

.sidebar-widgets h5 {
    color: var(--color-primary-darker);
}

.sidebar-widgets .badge {
    transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease, border-color var(--transition-fast) ease, transform var(--transition-fast) ease;
    cursor: pointer;
    border-radius: 4px;
    border: 1px solid rgba(71, 85, 105, 0.65);
    opacity: 0.95;
}

.sidebar-widgets .badge:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
    border-color: var(--color-primary) !important;
    transform: translateY(-1px);
    opacity: 1;
}

.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-primary) !important;
}

/* ============================================
   7. Pagination (PaginationSection)
   ============================================ */
.pagination .page-link {
    color: var(--color-primary);
    border-color: var(--color-border);
    transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease, border-color var(--transition-fast) ease, transform var(--transition-fast) ease;
    border-radius: 4px;
}

.pagination .page-link:hover {
    background-color: var(--color-bg-muted);
    color: var(--color-primary-dark);
    border-color: rgba(59, 130, 246, 0.8);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.pagination .page-item.disabled .page-link {
    color: var(--color-text-light);
    border-color: rgba(71, 85, 105, 0.7);
    opacity: 0.6;
}

/* ============================================
   8. Search Box (SearchBoxSection)
   ============================================ */
.search-box-section {
    background: var(--color-bg-soft);
}

.search-box-section .input-group-lg .form-control {
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
    padding-inline-start: 1.5rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(71, 85, 105, 0.9);
    color: var(--color-text);
    transition: border-color var(--transition-fast) ease, background-color var(--transition-fast) ease;
}

.search-box-section .input-group-lg .form-control:focus {
    border-color: rgba(59, 130, 246, 0.9);
    background: rgba(255,255,255,0.06);
    outline: 1px solid rgba(59, 130, 246, 0.35);
    outline-offset: 0;
}

.search-box-section .input-group-lg .btn {
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    background: var(--color-primary);
    border: 1px solid rgba(59, 130, 246, 1);
    color: #fff;
    transition: transform var(--transition-fast) ease, background-color var(--transition-fast) ease, border-color var(--transition-fast) ease, opacity var(--transition-fast) ease;
}

.search-box-section .input-group-lg .btn:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.search-box-section .badge {
    transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease, border-color var(--transition-fast) ease, transform var(--transition-fast) ease;
    opacity: 0.95;
    border: 1px solid rgba(71, 85, 105, 0.7);
    border-radius: 4px;
}

.search-box-section .badge:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
    border-color: var(--color-primary) !important;
    transform: translateY(-1px);
    opacity: 1;
}

/* ============================================
   9. Search Results (SearchResult
sSection)
   ============================================ */
.search-results-section {
    background: var(--color-bg);
}

.search-result {
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease, background-color var(--transition-base) ease;
    border-radius: 4px;
    border: 1px solid rgba(71, 85, 105, 0.35);
    background: rgba(255,255,255,0.03);
}

.search-result:hover {
    transform: translateX(3px);
    box-shadow: none;
    border-color: rgba(59, 130, 246, 0.6);
}

.search-result h2 a:hover {
    color: var(--color-primary) !important;
}

.search-result mark {
    background-color: #1d4ed8;
    color: #ffffff;
    padding-inline: 2px;
    border-radius: 2px;
    font-weight: 700;
    border: 1px solid rgba(191, 219, 254, 0.35);
}

/* ============================================
   10. Error Page (Error404Section)
   ============================================ */
.error-page h1 {
    background: var(--color-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1;
    text-shadow: none;
}

.recommended-links .badge {
    transition: background-color var(--transition-fast) ease, color var(--transition-fast) ease, border-color var(--transition-fast) ease, transform var(--transition-fast) ease;
    border: 1px solid rgba(71, 85, 105, 0.75);
    border-radius: 4px;
    opacity: 0.95;
}

.recommended-links .badge:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
    border-color: var(--color-primary) !important;
    transform: translateY(-2px);
    box-shadow: none;
    opacity: 1;
}

.recommended-links .badge:hover .text-warning {
    color: #93c5fd !important;
}

/* ============================================
   11. Legal Article (LegalArticleSection)
   ============================================ */
.legal-article-section,
main:has(> .container > article.bg-white) {
    background: var(--color-bg-soft);
}

article :is(h2.h4) {
    color: var(--color-primary-dark);
    border-bottom: 2px solid rgba(59, 130, 246, 0.65);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-sm);
}

article .alert-info {
    background-color: #0b4aa2;
    border-color: #3b82f6;
    color: #eaf2ff;
    border-radius: 4px;
}

article .list-group-item {
    background: transparent;
    transition: background-color var(--transition-fast) ease, padding-inline-start var(--transition-fast) ease, border-color var(--transition-fast) ease;
    border-radius: 4px;
    border: 1px solid rgba(71, 85, 105, 0.25);
}

article .list-group-item:hover {
    background: rgba(51, 65, 85, 0.55);
    padding-inline-start: var(--space-sm);
    border-color: rgba(59, 130, 246, 0.45);
}

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

.posts-grid .card {
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease, background-color var(--transition-base) ease;
    border: 1px solid var(--color-border-soft);
    overflow: hidden;
    border-radius: 4px;
    background: rgba(255,255,255,0.03);
}

.posts-grid .card:hover {
    transform: translateY(-5px);
    box-shadow: none;
    border-color: var(--color-primary);
}

.posts-grid .card-img-top {
    transition: transform var(--transition-slow) cubic-bezier(.2,.8,.2,1);
}

.posts-grid .card:hover .card-img-top {
    transform: scale(1.04);
}

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

.posts-grid .card-title a:hover {
    color: var(--color-primary) !important;
}

/* ============================================
   13. Related Posts (RelatedPostsSection)
   ============================================ */
.related-posts h3 {
    border-bottom: 3px solid var(--color-accent);
    padding-bottom: var(--space-xs);
    display: inline-block;
    color: #e5f1ff;
}

.related-card {
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease, background-color var(--transition-base) ease;
    border-radius: 4px;
    border: 1px solid rgba(71, 85, 105, 0.35);
    background: rgba(255,255,255,0.03);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: none;
    border-color: rgba(59, 130, 246, 0.6);
}

.related-card img {
    transition: transform var(--transition-slow) cubic-bezier(.2,.8,.2,1);
}

.related-card:hover img {
    transform: scale(1.04);
}

/* ============================================
   14. Social Share (SocialShareSection)
   ============================================ */
.social-share .btn {
    min-width: 40px;
    transition: transform var(--transition-fast) ease, background-color var(--transition-fast) ease, border-color var(--transition-fast) ease, opacity var(--transition-fast) ease;
    border-radius: 4px;
    border: 1px solid rgba(71, 85, 105, 0.7);
    background: rgba(255,255,255,0.03);
    color: var(--color-text);
}

.social-share .btn:hover {
    transform: translateY(-2px);
    box-shadow: none;
    border-color: rgba(59, 130, 246, 0.65);
    background: rgba(59, 130, 246, 0.12);
}

.social-share [data-copy-url].copied {
    background-color: var(--color-success);
    color: #fff;

    border-color: var(--color-success);
    opacity: 1;
}

/* ============================================
   15. Bootstrap Accordion override
   ============================================ */
.accordion-button:not(.collapsed) {
    background-color: #0f3b82;
    color: #eaf2ff;
    box-shadow: none;
    border-bottom: 1px solid rgba(59, 130, 246, 0.35);
    border-radius: 4px;
}

.accordion-button:focus {
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* ============================================
   16. Modal (用于 SocialShare 微信二维码)
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: none;
    background: #334155;
    color: var(--color-text);
    outline: 1px solid rgba(71, 85, 105, 0.35);
}

/* ============================================
   17. Tooltip (Bootstrap)
   ============================================ */
.tooltip-inner {
    background-color: var(--color-primary-darker);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    border: 1px solid rgba(191, 219, 254, 0.25);
    color: #ffffff;
}

/* ============================================
   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;
    }

    .error-page h1 {
        font-size: 5rem !important;
    }

    .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;
    }
}