/**
 * AI Travel Blog - Frontend Styles
 * Version: 1.3.2
 * Luxury travel editorial design
 */

/* ========================================
   CSS Variables - Can be overridden via admin settings
   ======================================== */
:root {
    /* These can be overridden by inline styles from plugin settings */
    --aitb-primary: var(--aitb-header-color, #1a365d);
    --aitb-primary-light: #2c5282;
    --aitb-secondary: #c9a227;
    --aitb-secondary-light: #d4af37;
    --aitb-text: #2d3748;
    --aitb-text-light: #4a5568;
    --aitb-text-muted: #718096;
    --aitb-bg: #ffffff;
    --aitb-bg-alt: #f7fafc;
    --aitb-bg-dark: #1a202c;
    --aitb-border: #e2e8f0;
    --aitb-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --aitb-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --aitb-radius: 8px;
    --aitb-radius-lg: 12px;
    --aitb-font-display: 'Playfair Display', Georgia, serif;
    --aitb-font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    --aitb-transition: all 0.3s ease;
}

/* ========================================
   Two-Column Article Layout with Sidebar
   ======================================== */
.aitb-article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.aitb-article-main {
    min-width: 0;
}

/* Sidebar Styles - Sticky without frame/scroll */
.aitb-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
    align-self: start;
    height: fit-content;
}

.aitb-sidebar-section {
    background: var(--aitb-bg);
    border: 1px solid var(--aitb-border);
    border-radius: var(--aitb-radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--aitb-shadow);
}

.aitb-sidebar-heading {
    font-family: var(--aitb-font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--aitb-primary);
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--aitb-secondary);
}

.aitb-sidebar-card {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--aitb-border);
    cursor: pointer;
    transition: var(--aitb-transition);
    position: relative;
}

/* Existing article card links */
.aitb-sidebar-card-link {
    text-decoration: none;
    color: inherit;
}

.aitb-sidebar-card-link:hover {
    padding-left: 8px;
}

.aitb-sidebar-card-link .aitb-sidebar-card-title {
    color: var(--aitb-text);
}

.aitb-sidebar-card-link:hover .aitb-sidebar-card-title {
    color: var(--aitb-secondary);
}

.aitb-sidebar-card-link .aitb-sidebar-card-action {
    color: var(--aitb-secondary);
    font-weight: 700;
}

.aitb-sidebar-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.aitb-sidebar-card:first-of-type {
    padding-top: 0;
}

.aitb-sidebar-card:hover {
    padding-left: 8px;
}

.aitb-sidebar-card:hover .aitb-sidebar-card-title {
    color: var(--aitb-secondary);
}

.aitb-sidebar-card-title {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--aitb-text);
    line-height: 1.4;
    margin-bottom: 4px;
    transition: var(--aitb-transition);
}

.aitb-sidebar-card-action {
    font-size: 0.8rem;
    color: var(--aitb-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.aitb-sidebar-loading {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.aitb-spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--aitb-border);
    border-top-color: var(--aitb-secondary);
    border-radius: 50%;
    animation: aitb-spin 0.8s linear infinite;
}

@keyframes aitb-spin {
    to { transform: rotate(360deg); }
}

.aitb-sidebar-card.aitb-loading .aitb-sidebar-card-action {
    display: none;
}

.aitb-sidebar-card.aitb-loading .aitb-sidebar-loading {
    display: block !important;
}

/* ========================================
   Full Page Loading Overlay
   ======================================== */
.aitb-fullpage-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.aitb-fullpage-loader.aitb-visible {
    opacity: 1;
    visibility: visible;
}

.aitb-loader-content {
    text-align: center;
    max-width: 400px;
    padding: 40px;
}

.aitb-loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--aitb-border);
    border-top-color: var(--aitb-secondary);
    border-radius: 50%;
    animation: aitb-spin 1s linear infinite;
    margin: 0 auto 25px;
}

.aitb-loader-title {
    font-family: var(--aitb-font-display);
    font-size: 1.5rem;
    color: var(--aitb-primary);
    margin: 0 0 10px;
}

.aitb-loader-message {
    font-size: 1rem;
    color: var(--aitb-text-muted);
    margin: 0 0 20px;
    line-height: 1.5;
}

.aitb-loader-submessage {
    font-size: 0.85rem;
    color: var(--aitb-text-muted);
    font-style: italic;
}

/* Responsive - Stack on mobile */
@media (max-width: 900px) {
    .aitb-article-layout {
        grid-template-columns: 1fr;
    }
    
    .aitb-sidebar {
        position: relative;
        top: 0;
        max-height: none;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }
    
    .aitb-sidebar-section {
        margin-bottom: 0;
    }
}

/* ========================================
   Blog Home
   ======================================== */
.aitb-blog-home {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1; /* Stay below main site navigation dropdowns */
}

/* Header */
.aitb-blog-header {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, var(--aitb-primary) 0%, var(--aitb-primary-light) 100%);
    margin: -20px -20px 40px;
    color: #fff;
}

.aitb-blog-title {
    font-family: var(--aitb-font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin: 0 0 15px;
    letter-spacing: -0.02em;
}

.aitb-blog-tagline {
    font-family: var(--aitb-font-body);
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Featured Article */
.aitb-featured-section {
    margin-bottom: 60px;
}

.aitb-featured-article {
    position: relative;
    border-radius: var(--aitb-radius-lg);
    overflow: hidden;
    box-shadow: var(--aitb-shadow-lg);
}

.aitb-featured-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.aitb-featured-image {
    position: relative;
    height: 500px;
    background: linear-gradient(135deg, var(--aitb-primary) 0%, var(--aitb-primary-light) 100%);
}

.aitb-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aitb-featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.aitb-featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    color: #fff;
}

.aitb-featured-label {
    display: inline-block;
    background: var(--aitb-secondary);
    color: var(--aitb-bg-dark);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
}

.aitb-featured-title {
    font-family: var(--aitb-font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    margin: 0 0 15px;
    line-height: 1.2;
}

.aitb-featured-excerpt {
    font-size: 1.15rem;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 0 20px;
}

.aitb-featured-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--aitb-secondary);
    transition: var(--aitb-transition);
}

.aitb-featured-link:hover .aitb-featured-cta {
    gap: 12px;
}

.aitb-arrow {
    transition: transform 0.3s ease;
}

.aitb-featured-link:hover .aitb-arrow {
    transform: translateX(4px);
}

/* Articles Section */
.aitb-articles-section {
    padding: 20px 0 60px;
}

.aitb-section-header {
    text-align: center;
    margin-bottom: 40px;
}

.aitb-section-title {
    font-family: var(--aitb-font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--aitb-primary);
    margin: 0 0 10px;
}

.aitb-section-subtitle {
    font-size: 1.1rem;
    color: var(--aitb-text-muted);
    margin: 0;
}

/* Article Grid */
.aitb-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.aitb-article-card {
    background: var(--aitb-bg);
    border-radius: var(--aitb-radius-lg);
    overflow: hidden;
    box-shadow: var(--aitb-shadow);
    transition: var(--aitb-transition);
}

.aitb-article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--aitb-shadow-lg);
}

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

.aitb-card-image {
    height: 220px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
    position: relative;
    overflow: hidden;
}

.aitb-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.aitb-article-card:hover .aitb-card-image img {
    transform: scale(1.05);
}

.aitb-card-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--aitb-text-muted);
}

.aitb-card-placeholder svg {
    width: 60px;
    height: 60px;
    opacity: 0.4;
}

.aitb-card-content {
    padding: 25px;
}

.aitb-card-date {
    display: block;
    font-size: 0.85rem;
    color: var(--aitb-text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.aitb-card-title {
    font-family: var(--aitb-font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--aitb-primary);
    margin: 0 0 12px;
    line-height: 1.3;
}

.aitb-card-excerpt {
    font-size: 0.95rem;
    color: var(--aitb-text-light);
    line-height: 1.6;
    margin: 0 0 15px;
}

.aitb-card-cta {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--aitb-secondary);
    transition: var(--aitb-transition);
}

.aitb-article-card:hover .aitb-card-cta {
    color: var(--aitb-secondary-light);
}

/* CTA Section */
.aitb-cta-section {
    background: var(--aitb-bg-alt);
    border-radius: var(--aitb-radius-lg);
    padding: 60px 40px;
    text-align: center;
    margin: 40px 0;
}

.aitb-cta-title {
    font-family: var(--aitb-font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--aitb-primary);
    margin: 0 0 15px;
}

.aitb-cta-text {
    font-size: 1.1rem;
    color: var(--aitb-text-light);
    max-width: 600px;
    margin: 0 auto 25px;
    line-height: 1.6;
}

.aitb-cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.aitb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--aitb-transition);
    cursor: pointer;
    border: none;
}

.aitb-btn-primary {
    background: var(--aitb-secondary);
    color: var(--aitb-bg-dark);
}

.aitb-btn-primary:hover {
    background: var(--aitb-secondary-light);
    transform: translateY(-2px);
}

.aitb-btn-secondary {
    background: transparent;
    color: var(--aitb-primary);
    border: 2px solid var(--aitb-primary);
}

.aitb-btn-secondary:hover {
    background: var(--aitb-primary);
    color: #fff;
}

/* ========================================
   Single Article
   ======================================== */
.aitb-single-article {
    max-width: 800px;
    margin: 0 auto;
}

/* Hero Header with Background */
.aitb-article-header {
    position: relative;
    margin: -20px -20px 40px -20px;
    padding: 80px 40px 60px;
    background: linear-gradient(135deg, var(--aitb-primary) 0%, var(--aitb-primary-light) 100%);
    color: #fff;
    overflow: hidden;
}

.aitb-article-header-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.aitb-header-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.aitb-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.85) 0%, rgba(44, 82, 130, 0.75) 100%);
}

.aitb-article-header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.aitb-article-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.aitb-back-link {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--aitb-transition);
}

.aitb-back-link:hover {
    color: #fff;
}

.aitb-article-date {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.aitb-article-title {
    font-family: var(--aitb-font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.aitb-article-intro {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
    max-width: 700px;
}

.aitb-article-keywords {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.aitb-keyword-label {
    font-size: 0.85rem;
    color: var(--aitb-text-muted);
}

.aitb-keyword {
    background: var(--aitb-bg-alt);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--aitb-text);
}

.aitb-article-featured-image {
    margin: 0 -20px 40px;
    border-radius: 0;
}

.aitb-article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Article Content */
.aitb-article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--aitb-text);
    padding: 40px 20px;
}

.aitb-article-content h2 {
    font-family: var(--aitb-font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--aitb-primary);
    margin: 50px 0 20px;
}

.aitb-article-content h3 {
    font-family: var(--aitb-font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--aitb-primary-light);
    margin: 40px 0 15px;
}

.aitb-article-content p {
    margin: 0 0 25px;
}

.aitb-article-content ul,
.aitb-article-content ol {
    margin: 0 0 25px;
    padding-left: 25px;
}

.aitb-article-content li {
    margin-bottom: 10px;
}

.aitb-article-content blockquote {
    margin: 30px 0;
    padding: 20px 25px;
    background: var(--aitb-bg-alt);
    border-left: 4px solid var(--aitb-secondary);
    font-style: italic;
}

/* Share Section */
.aitb-article-share {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--aitb-border);
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.aitb-share-label {
    font-weight: 600;
    color: var(--aitb-text-light);
}

.aitb-share-buttons {
    display: flex;
    gap: 10px;
}

.aitb-share-btn {
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--aitb-transition);
}

.aitb-share-facebook {
    background: #1877f2;
    color: #fff;
}

.aitb-share-twitter {
    background: #1da1f2;
    color: #fff;
}

.aitb-share-email {
    background: var(--aitb-text-light);
    color: #fff;
}

.aitb-share-btn:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

/* ========================================
   Related Section & Cards
   ======================================== */
.aitb-related-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.aitb-related-block {
    margin-bottom: 50px;
}

.aitb-related-title {
    font-family: var(--aitb-font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--aitb-primary);
    margin: 0 0 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.aitb-related-icon {
    font-size: 1.5rem;
}

.aitb-related-subtitle {
    color: var(--aitb-text-muted);
    margin: 0 0 25px;
}

.aitb-related-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* Suggestion Cards */
.aitb-suggestion-card {
    background: var(--aitb-bg);
    border: 2px solid var(--aitb-border);
    border-radius: var(--aitb-radius);
    padding: 25px;
    cursor: pointer;
    transition: var(--aitb-transition);
    position: relative;
    overflow: hidden;
}

.aitb-suggestion-card:hover {
    border-color: var(--aitb-secondary);
    box-shadow: var(--aitb-shadow);
    transform: translateY(-2px);
}

.aitb-suggestion-card.aitb-card-new {
    border-color: var(--aitb-secondary);
    background: linear-gradient(135deg, #fffdf5 0%, #fff 100%);
}

.aitb-new-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--aitb-secondary);
    color: var(--aitb-bg-dark);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.aitb-suggestion-title {
    font-family: var(--aitb-font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--aitb-primary);
    margin: 0 0 15px;
    line-height: 1.4;
    padding-right: 50px;
}

.aitb-suggestion-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--aitb-secondary);
}

.aitb-suggestion-card:hover .aitb-suggestion-cta .aitb-arrow {
    transform: translateX(4px);
}

/* Loading State */
.aitb-card-loading {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--aitb-text-muted);
}

.aitb-spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--aitb-border);
    border-top-color: var(--aitb-secondary);
    border-radius: 50%;
    animation: aitb-spin 0.8s linear infinite;
}

@keyframes aitb-spin {
    to { transform: rotate(360deg); }
}

/* FAQ Answer (inline) */
.aitb-faq-answer-inline {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--aitb-border);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--aitb-text);
}

/* ========================================
   FAQ Section
   ======================================== */
.aitb-faq-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}

.aitb-faq-header {
    text-align: center;
    margin-bottom: 40px;
}

.aitb-faq-section-title {
    font-family: var(--aitb-font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--aitb-primary);
    margin: 0 0 10px;
}

.aitb-faq-intro {
    font-size: 1.1rem;
    color: var(--aitb-text-muted);
    margin: 0;
}

.aitb-faq-list {
    border-top: 1px solid var(--aitb-border);
}

.aitb-faq-item {
    border-bottom: 1px solid var(--aitb-border);
}

.aitb-faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--aitb-text);
    transition: var(--aitb-transition);
}

.aitb-faq-question:hover {
    color: var(--aitb-primary);
}

.aitb-faq-question[aria-expanded="true"] {
    color: var(--aitb-primary);
}

.aitb-faq-toggle {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.aitb-faq-question[aria-expanded="true"] .aitb-faq-toggle {
    transform: rotate(180deg);
}

.aitb-faq-answer-container {
    padding: 0 0 25px;
}

.aitb-faq-answer-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--aitb-text-light);
}

.aitb-faq-related {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--aitb-border);
}

.aitb-faq-related-label {
    font-size: 0.85rem;
    color: var(--aitb-text-muted);
    margin-right: 8px;
}

.aitb-faq-related-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--aitb-secondary);
    text-decoration: none;
}

.aitb-faq-related-link:hover {
    text-decoration: underline;
}

.aitb-faq-cta {
    text-align: center;
    margin-top: 40px;
    padding: 40px;
    background: var(--aitb-bg-alt);
    border-radius: var(--aitb-radius-lg);
}

.aitb-faq-cta-text {
    font-size: 1.1rem;
    color: var(--aitb-text);
    margin: 0 0 20px;
}

/* ========================================
   Modal
   ======================================== */
.aitb-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.aitb-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}

.aitb-modal-content {
    position: relative;
    background: var(--aitb-bg);
    border-radius: var(--aitb-radius-lg);
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--aitb-shadow-lg);
}

.aitb-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--aitb-text-muted);
    cursor: pointer;
    line-height: 1;
    transition: var(--aitb-transition);
}

.aitb-modal-close:hover {
    color: var(--aitb-text);
}

.aitb-modal-question {
    font-family: var(--aitb-font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--aitb-primary);
    margin: 0 0 20px;
    padding-right: 40px;
}

.aitb-modal-answer {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--aitb-text);
    margin-bottom: 25px;
}

.aitb-modal-actions {
    padding-top: 20px;
    border-top: 1px solid var(--aitb-border);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .aitb-featured-image {
        height: 350px;
    }
    
    .aitb-featured-content {
        padding: 25px;
    }
    
    .aitb-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .aitb-cta-section {
        padding: 40px 25px;
    }
    
    .aitb-related-cards {
        grid-template-columns: 1fr;
    }
    
    .aitb-modal-content {
        padding: 25px;
    }
}

/* ========================================
   Seed Article Shortcode
   ======================================== */
.aitb-seed-form {
    background: var(--aitb-bg);
    border: 2px solid var(--aitb-border);
    border-radius: var(--aitb-radius-lg);
    padding: 30px;
    margin: 30px 0;
}

.aitb-seed-preview {
    margin-bottom: 25px;
}

.aitb-seed-preview h4 {
    font-family: var(--aitb-font-display);
    font-size: 1.1rem;
    color: var(--aitb-primary);
    margin: 0 0 15px;
}

.aitb-seed-params {
    width: 100%;
    border-collapse: collapse;
}

.aitb-seed-params th,
.aitb-seed-params td {
    padding: 10px 15px;
    text-align: left;
    border-bottom: 1px solid var(--aitb-border);
}

.aitb-seed-params th {
    width: 150px;
    font-weight: 600;
    color: var(--aitb-text-muted);
    font-size: 0.9rem;
}

.aitb-seed-params td {
    color: var(--aitb-text);
}

.aitb-seed-params code {
    background: var(--aitb-bg-alt);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.aitb-seed-loading {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--aitb-bg-alt);
    border-radius: var(--aitb-radius);
    color: var(--aitb-text-muted);
}

.aitb-seed-success {
    background: #f0fff4;
    border: 2px solid #38a169;
    border-radius: var(--aitb-radius);
    padding: 25px;
    margin-top: 20px;
}

.aitb-seed-success p:first-child {
    color: #38a169;
    font-weight: 600;
    margin: 0 0 15px;
}

.aitb-seed-success h3 {
    font-family: var(--aitb-font-display);
    font-size: 1.35rem;
    color: var(--aitb-primary);
    margin: 0 0 10px;
}

.aitb-seed-error {
    background: #fff5f5;
    border: 2px solid #e53e3e;
    border-radius: var(--aitb-radius);
    padding: 20px;
    margin-top: 20px;
    color: #e53e3e;
}

.aitb-seed-exists {
    background: var(--aitb-bg-alt);
    border: 2px solid var(--aitb-secondary);
    border-radius: var(--aitb-radius);
    padding: 25px;
}

.aitb-seed-exists p {
    color: var(--aitb-text);
    margin: 0 0 15px;
}

/* ========================================
   Frontend Generate Form
   ======================================== */
.aitb-frontend-generate {
    max-width: 700px;
    margin: 0 auto;
}

.aitb-generate-form-frontend {
    background: var(--aitb-bg);
    border: 1px solid var(--aitb-border);
    border-radius: var(--aitb-radius-lg);
    padding: 35px;
}

.aitb-generate-form-frontend .aitb-form-group {
    margin-bottom: 25px;
}

.aitb-generate-form-frontend label {
    display: block;
    font-weight: 600;
    color: var(--aitb-text);
    margin-bottom: 8px;
}

.aitb-generate-form-frontend label .required {
    color: #e53e3e;
}

.aitb-generate-form-frontend input[type="text"],
.aitb-generate-form-frontend textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--aitb-border);
    border-radius: var(--aitb-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--aitb-transition);
}

.aitb-generate-form-frontend input[type="text"]:focus,
.aitb-generate-form-frontend textarea:focus {
    outline: none;
    border-color: var(--aitb-primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.aitb-generate-form-frontend .aitb-form-actions {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--aitb-border);
}

.aitb-frontend-result {
    margin-top: 30px;
}

.aitb-result-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.aitb-error {
    background: #fff5f5;
    border: 1px solid #e53e3e;
    color: #e53e3e;
    padding: 15px 20px;
    border-radius: var(--aitb-radius);
}

/* ========================================
   Empty Blog / Seed State
   ======================================== */
.aitb-blog-seed-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}

.aitb-blog-empty-header {
    margin-bottom: 40px;
}

.aitb-blog-empty-header h1 {
    font-family: var(--aitb-font-display);
    font-size: 2.5rem;
    color: var(--aitb-primary);
    margin: 0 0 15px;
}

.aitb-blog-empty-header p {
    font-size: 1.2rem;
    color: var(--aitb-text-muted);
    margin: 0;
}

.aitb-blog-seed-section .aitb-seed-form {
    text-align: left;
}

.aitb-coming-soon {
    background: var(--aitb-bg-alt);
    padding: 40px;
    border-radius: var(--aitb-radius-lg);
    font-size: 1.1rem;
    color: var(--aitb-text-light);
}

/* ========================================
   All Blog Instances View (/blog/ page)
   ======================================== */
.aitb-all-instances {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.aitb-instance-section {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--aitb-border);
}

.aitb-instance-section:last-of-type {
    border-bottom: none;
}

.aitb-instance-header {
    margin-bottom: 30px;
}

.aitb-instance-title {
    font-family: var(--aitb-font-display);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 10px;
}

.aitb-instance-title a {
    color: var(--aitb-primary);
    text-decoration: none;
    transition: var(--aitb-transition);
}

.aitb-instance-title a:hover {
    color: var(--aitb-secondary);
}

.aitb-instance-description {
    font-size: 1.1rem;
    color: var(--aitb-text-muted);
    margin: 0;
}

.aitb-articles-grid-small {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.aitb-articles-grid-small .aitb-card-image {
    height: 180px;
}

.aitb-articles-grid-small .aitb-card-content {
    padding: 20px;
}

.aitb-articles-grid-small .aitb-card-title {
    font-size: 1.15rem;
}

.aitb-articles-grid-small .aitb-card-excerpt {
    display: none;
}

.aitb-instance-footer {
    margin-top: 25px;
    text-align: center;
}

.aitb-no-instances {
    text-align: center;
    padding: 60px 20px;
    color: var(--aitb-text-muted);
}

/* Empty Instance - Generate Button */
.aitb-empty-instance {
    text-align: center;
    padding: 40px 20px;
    background: var(--aitb-bg-alt);
    border-radius: var(--aitb-radius-lg);
    margin: 20px 0;
}

.aitb-empty-instance p {
    margin: 0 0 20px;
    color: var(--aitb-text-muted);
    font-size: 1.1rem;
}

.aitb-empty-instance .aitb-generate-seed-btn {
    font-size: 1rem;
    padding: 15px 30px;
}

.aitb-empty-instance .aitb-generate-note {
    font-size: 0.9rem;
    color: var(--aitb-text-muted);
    margin-top: 15px;
}

/* ========================================
   Admin: Frontend Image Upload Buttons
   ======================================== */
.aitb-admin-add-image,
.aitb-admin-change-image {
    position: absolute;
    z-index: 10;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: 2px solid white;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    font-family: var(--aitb-font-body);
    font-weight: 500;
}

.aitb-admin-add-image:hover,
.aitb-admin-change-image:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.05);
}

/* Add Image button - centered in placeholder */
.aitb-admin-add-image {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 12px 20px;
    font-size: 14px;
}

.aitb-admin-add-image:hover {
    transform: translate(-50%, -50%) scale(1.05);
}

/* Card version - smaller */
.aitb-admin-add-image-card {
    padding: 10px 16px;
    font-size: 13px;
}

.aitb-admin-add-image svg,
.aitb-admin-change-image svg {
    flex-shrink: 0;
}

/* Change Image button - top right corner */
.aitb-admin-change-image {
    top: 10px;
    right: 10px;
    padding: 8px;
    opacity: 0;
}

.aitb-card-image:hover .aitb-admin-change-image,
.aitb-featured-image:hover .aitb-admin-change-image {
    opacity: 1;
}

/* Card version */
.aitb-admin-change-image-card {
    top: 8px;
    right: 8px;
    padding: 6px;
}

/* Make sure placeholder has position relative for absolute positioning */
.aitb-card-placeholder,
.aitb-featured-placeholder {
    position: relative;
}

/* Hide default placeholder icon when admin button is present */
.aitb-card-placeholder:has(.aitb-admin-add-image) > svg:not(button svg) {
    display: none;
}

/* Fallback for browsers without :has() support */
.aitb-admin-add-image ~ svg {
    display: none;
}

/* Ensure card image container is relative */
.aitb-card-image,
.aitb-featured-image {
    position: relative;
}

/* ========================================
   Blog Navigation Menu (Shortcode)
   ======================================== */
.aitb-blog-nav {
    font-family: var(--aitb-font-body);
}

/* Vertical Menu (Sidebar) */
.aitb-menu-vertical .aitb-blog-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.aitb-menu-vertical .aitb-menu-instance {
    margin-bottom: 15px;
    border-bottom: 1px solid var(--aitb-border);
    padding-bottom: 15px;
}

.aitb-menu-vertical .aitb-menu-instance:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.aitb-menu-vertical .aitb-instance-link {
    display: block;
    font-weight: 600;
    color: var(--aitb-primary);
    text-decoration: none;
    font-size: 1.1rem;
    margin-bottom: 8px;
    transition: var(--aitb-transition);
}

.aitb-menu-vertical .aitb-instance-link:hover {
    color: var(--aitb-secondary);
}

.aitb-menu-vertical .aitb-article-count {
    font-weight: 400;
    color: var(--aitb-text-muted);
    font-size: 0.9rem;
}

.aitb-menu-vertical .aitb-menu-articles {
    list-style: none;
    padding: 0;
    margin: 0 0 0 15px;
}

.aitb-menu-vertical .aitb-menu-articles li {
    margin-bottom: 6px;
}

.aitb-menu-vertical .aitb-menu-articles a {
    color: var(--aitb-text);
    text-decoration: none;
    font-size: 0.95rem;
    display: block;
    padding: 4px 0;
    transition: var(--aitb-transition);
}

.aitb-menu-vertical .aitb-menu-articles a:hover {
    color: var(--aitb-primary);
    padding-left: 5px;
}

.aitb-menu-vertical .aitb-view-more a {
    color: var(--aitb-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Horizontal Menu */
.aitb-menu-horizontal .aitb-blog-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.aitb-menu-horizontal .aitb-menu-instance {
    position: relative;
}

.aitb-menu-horizontal .aitb-instance-link {
    display: inline-block;
    padding: 8px 16px;
    background: var(--aitb-bg-alt);
    border-radius: var(--aitb-radius);
    color: var(--aitb-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--aitb-transition);
}

.aitb-menu-horizontal .aitb-instance-link:hover {
    background: var(--aitb-primary);
    color: white;
}

.aitb-menu-horizontal .aitb-menu-articles {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: white;
    box-shadow: var(--aitb-shadow-lg);
    border-radius: var(--aitb-radius);
    list-style: none;
    padding: 10px 0;
    margin: 5px 0 0;
    z-index: 1000;
}

.aitb-menu-horizontal .aitb-menu-instance:hover .aitb-menu-articles {
    display: block;
}

.aitb-menu-horizontal .aitb-menu-articles li {
    margin: 0;
}

.aitb-menu-horizontal .aitb-menu-articles a {
    display: block;
    padding: 10px 20px;
    color: var(--aitb-text);
    text-decoration: none;
    transition: var(--aitb-transition);
}

.aitb-menu-horizontal .aitb-menu-articles a:hover {
    background: var(--aitb-bg-alt);
    color: var(--aitb-primary);
}

.aitb-menu-horizontal .aitb-view-more a {
    color: var(--aitb-secondary);
    font-weight: 600;
    border-top: 1px solid var(--aitb-border);
    margin-top: 5px;
    padding-top: 15px;
}

/* ========================================
   Blog Instance Navigation Bar
   v1.7.8: Replaces dropdown menu with in-page navigation
   ======================================== */
.aitb-instance-nav {
    background: #ffffff;
    border-bottom: 1px solid var(--aitb-border);
    padding: 0;
    margin: -20px -20px 30px -20px; /* Extend to edges */
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.aitb-instance-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
}

.aitb-instance-nav-item {
    display: inline-block;
    padding: 15px 20px;
    color: var(--aitb-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.aitb-instance-nav-item:hover {
    color: var(--aitb-primary);
    background: var(--aitb-bg-alt);
}

.aitb-instance-nav-item.aitb-nav-active {
    color: var(--aitb-primary);
    border-bottom-color: var(--aitb-secondary);
    font-weight: 600;
}

.aitb-nav-count {
    font-size: 0.8em;
    color: var(--aitb-text-muted);
    font-weight: 400;
}

/* Responsive - scroll horizontally on mobile */
@media (max-width: 768px) {
    .aitb-instance-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .aitb-instance-nav-inner {
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding: 0 10px;
    }
    
    .aitb-instance-nav-item {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
}


/* ========================================
   Blog Instance Tab Filter
   v2.0.10: Tab-style filter for main blog page
   ======================================== */
.aitb-instance-tabs {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    position: relative;
    z-index: 1; /* Lower than main menu dropdowns which are typically z-index: 999+ */
}

.aitb-tab-btn {
    padding: 10px 20px;
    background: var(--aitb-bg);
    border: 1px solid var(--aitb-border);
    border-radius: 25px;
    cursor: pointer;
    font-family: var(--aitb-font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--aitb-text);
    transition: var(--aitb-transition);
    white-space: nowrap;
}

.aitb-tab-btn:hover {
    border-color: var(--aitb-primary);
    color: var(--aitb-primary);
    background: var(--aitb-bg-alt);
}

.aitb-tab-btn.aitb-tab-active {
    background: var(--aitb-primary);
    border-color: var(--aitb-primary);
    color: #fff;
}

.aitb-tab-count {
    font-size: 0.85em;
    opacity: 0.8;
    margin-left: 3px;
}

/* Instance section visibility based on tab filter */
.aitb-instance-section {
    transition: opacity 0.3s ease, max-height 0.3s ease;
}

.aitb-instance-section.aitb-hidden {
    display: none;
}

/* Instance header with Visit Blog Home link */
.aitb-instance-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 20px;
}

.aitb-instance-title {
    font-family: var(--aitb-font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--aitb-primary);
    margin: 0;
}

.aitb-instance-home-link {
    font-size: 0.9rem;
    color: var(--aitb-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 12px;
    border: 1px solid var(--aitb-secondary);
    border-radius: 4px;
    transition: var(--aitb-transition);
}

.aitb-instance-home-link:hover {
    background: var(--aitb-secondary);
    color: #fff;
}

.aitb-instance-description {
    width: 100%;
    margin: 5px 0 0 0;
    color: var(--aitb-text-muted);
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .aitb-instance-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 10px;
        margin: 20px auto;
    }
    
    .aitb-tab-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .aitb-instance-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .aitb-instance-title {
        font-size: 1.4rem;
    }
    
    .aitb-instance-home-link {
        align-self: flex-start;
    }
}