/**
 * Claira AI Theme - Single Post Styles
 * Complete styling for article pages
 */

/* Single Post Container */
.single-post-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.ai-single-post {
    background: rgba(15, 15, 15, 0.9);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 87, 183, 0.2);
}

/* Single Post Header - Improved Readability */
.single-post-header {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85), rgba(0, 87, 183, 0.75));
    padding: var(--spacing-3xl) var(--spacing-2xl);
    color: var(--castaldo-white);
    position: relative;
    backdrop-filter: blur(10px);
}

.single-post-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.4), 
        rgba(0, 87, 183, 0.3),
        rgba(0, 212, 255, 0.2)
    );
    z-index: 1;
}

.single-post-header > * {
    position: relative;
    z-index: 2;
}

/* Post Meta Single */
.post-meta-single {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.meta-left, .meta-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.ai-generated-badge {
    background: rgba(255, 255, 255, 0.25);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.post-date, .reading-time {
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
    font-weight: 500;
}

.ai-confidence {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.confidence-label {
    font-size: var(--font-sm);
    opacity: 0.8;
}

.confidence-score {
    font-weight: var(--font-bold);
    color: var(--ai-success);
    margin-left: var(--spacing-xs);
}

/* Post Title Single - Enhanced Readability */
.post-title-single {
    font-size: clamp(var(--font-3xl), 5vw, var(--font-5xl));
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-2xl);
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.8);
    color: #ffffff;
    letter-spacing: -0.02em;
}

/* AI Post Analysis */
.ai-post-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.analysis-item {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.analysis-item .icon {
    font-size: var(--font-lg);
}

.analysis-item .label {
    font-size: var(--font-sm);
    opacity: 0.8;
}

.analysis-item .value {
    font-weight: var(--font-bold);
    margin-left: auto;
}

.analysis-item .value.positive {
    color: var(--ai-success);
}

/* Featured Image Container */
.featured-image-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    margin-top: var(--spacing-xl);
}

.ai-featured-single {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-base);
}

.featured-image-container:hover .ai-featured-single {
    transform: scale(1.02);
}

.image-ai-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-enhanced-tag, .optimization-tag {
    background: rgba(0, 87, 183, 0.9);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: var(--font-medium);
}

/* Post Content Wrapper */
.post-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-3xl);
    padding: var(--spacing-3xl) var(--spacing-2xl);
}

/* Main Content */
.post-content-single {
    min-width: 0; /* Prevents overflow */
}

/* AI Content Notice */
.ai-content-notice {
    background: rgba(0, 87, 183, 0.1);
    border: 1px solid rgba(0, 87, 183, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.notice-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.notice-icon {
    font-size: var(--font-2xl);
    flex-shrink: 0;
}

.notice-text strong {
    color: var(--ai-primary);
    font-size: var(--font-lg);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.notice-text p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.notice-text a {
    color: var(--ai-primary);
    font-weight: var(--font-medium);
}

/* Content Text */
.content-text {
    font-size: var(--font-lg);
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3xl);
}

.content-text h2, .content-text h3, .content-text h4 {
    color: var(--ai-primary);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.content-text h2 {
    font-size: var(--font-2xl);
    border-left: 4px solid var(--ai-primary);
    padding-left: var(--spacing-lg);
}

.content-text h3 {
    font-size: var(--font-xl);
}

.content-text p {
    margin-bottom: var(--spacing-lg);
}

.content-text ul, .content-text ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.content-text li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.content-text blockquote {
    background: rgba(0, 87, 183, 0.1);
    border-left: 4px solid var(--ai-primary);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-md);
    font-style: italic;
}

.content-text code {
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-sm);
    color: var(--ai-primary);
}

.content-text pre {
    background: rgba(0, 0, 0, 0.8);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-xl) 0;
    border: 1px solid rgba(0, 87, 183, 0.2);
}

/* Share Article Section */
.share-article-section {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    border: 1px solid rgba(0, 87, 183, 0.2);
    text-align: center;
}

.share-article-section h3 {
    color: var(--ai-primary);
    font-size: var(--font-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.share-icon {
    font-size: var(--font-2xl);
}

.share-description {
    color: var(--text-secondary);
    font-size: var(--font-md);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.social-share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.share-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: var(--font-medium);
    font-size: var(--font-md);
    transition: var(--transition-base);
    border: 1px solid transparent;
    cursor: pointer;
    background: none;
    min-width: 120px;
    justify-content: center;
}

.share-button.linkedin {
    background: rgba(0, 119, 181, 0.1);
    border-color: rgba(0, 119, 181, 0.3);
    color: #0077b5;
}

.share-button.linkedin:hover {
    background: rgba(0, 119, 181, 0.2);
    border-color: #0077b5;
    transform: translateY(-2px);
}

.share-button.twitter {
    background: rgba(29, 161, 242, 0.1);
    border-color: rgba(29, 161, 242, 0.3);
    color: #1da1f2;
}

.share-button.twitter:hover {
    background: rgba(29, 161, 242, 0.2);
    border-color: #1da1f2;
    transform: translateY(-2px);
}

.share-button.facebook {
    background: rgba(66, 103, 178, 0.1);
    border-color: rgba(66, 103, 178, 0.3);
    color: #4267b2;
}

.share-button.facebook:hover {
    background: rgba(66, 103, 178, 0.2);
    border-color: #4267b2;
    transform: translateY(-2px);
}

.share-button.email {
    background: rgba(234, 67, 53, 0.1);
    border-color: rgba(234, 67, 53, 0.3);
    color: #ea4335;
}

.share-button.email:hover {
    background: rgba(234, 67, 53, 0.2);
    border-color: #ea4335;
    transform: translateY(-2px);
}

.share-button.copy-link {
    background: rgba(0, 87, 183, 0.1);
    border-color: rgba(0, 87, 183, 0.3);
    color: var(--ai-primary);
}

.share-button.copy-link:hover {
    background: rgba(0, 87, 183, 0.2);
    border-color: var(--ai-primary);
    transform: translateY(-2px);
}

.share-btn-icon {
    font-size: var(--font-lg);
    flex-shrink: 0;
}

.share-btn-text {
    font-family: var(--font-primary);
    letter-spacing: 0.3px;
}

.share-ai-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(0, 87, 183, 0.05);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 87, 183, 0.1);
    font-size: var(--font-sm);
    color: var(--text-tertiary);
    font-style: italic;
}

.ai-note-icon {
    color: var(--ai-primary);
    font-size: var(--font-md);
}

/* Castaldo Promotion */
.castaldo-promotion {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.castaldo-promotion::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 87, 183, 0.9), rgba(0, 212, 255, 0.8));
    z-index: 1;
}

.promotion-content {
    position: relative;
    z-index: 2;
    color: var(--castaldo-white);
}

.promotion-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.promotion-icon {
    font-size: var(--font-2xl);
}

.promotion-header h3 {
    font-size: var(--font-xl);
    margin: 0;
}

.promotion-content > p {
    font-size: var(--font-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.promotion-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: var(--font-lg);
}

.promotion-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
}

.cta-button {
    background: rgba(255, 255, 255, 0.2);
    color: var(--castaldo-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.cta-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
    font-weight: var(--font-medium);
}

.cta-link:hover {
    color: var(--castaldo-white);
}

/* Post Sidebar */
.post-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.sidebar-widget {
    background: rgba(15, 15, 15, 0.9);
    border: 1px solid rgba(0, 87, 183, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.sidebar-widget h3 {
    color: var(--ai-primary);
    font-size: var(--font-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Social Actions Widget */
.social-actions-widget h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--ai-primary);
    font-size: var(--font-lg);
    margin-bottom: var(--spacing-lg);
}

.share-header-icon {
    color: var(--ai-primary);
}

.sidebar-social-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.sidebar-social-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 87, 183, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition-base);
    width: 100%;
    text-align: left;
}

.sidebar-social-btn:hover {
    background: rgba(0, 87, 183, 0.1);
    border-color: var(--ai-primary);
    transform: translateY(-2px);
}

.sidebar-social-btn.linkedin:hover {
    background: rgba(0, 119, 181, 0.1);
    border-color: #0077b5;
}

.sidebar-social-btn.twitter:hover {
    background: rgba(29, 161, 242, 0.1);
    border-color: #1da1f2;
}

.sidebar-social-btn.facebook:hover {
    background: rgba(66, 103, 178, 0.1);
    border-color: #4267b2;
}

.sidebar-social-btn.email:hover {
    background: rgba(234, 67, 53, 0.1);
    border-color: #ea4335;
}

.sidebar-social-btn.copy-link:hover {
    background: rgba(0, 87, 183, 0.1);
    border-color: var(--ai-primary);
}

.sidebar-social-btn .social-icon {
    flex-shrink: 0;
}

.copy-link-text {
    transition: var(--transition-base);
}

.social-engagement-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 87, 183, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 87, 183, 0.1);
    font-size: var(--font-xs);
    color: var(--text-tertiary);
    line-height: 1.5;
}

.ai-brain-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Related Posts Widget */
.related-posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.related-post-item {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 87, 183, 0.1);
    transition: var(--transition-base);
}

.related-post-item:hover {
    background: rgba(0, 87, 183, 0.1);
    border-color: var(--ai-primary);
}

.related-post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-xs);
    color: var(--text-tertiary);
}

.ai-badge-small {
    font-size: var(--font-sm);
}

.related-post-item h4 {
    margin: 0;
    font-size: var(--font-sm);
    line-height: 1.4;
}

.related-post-item h4 a {
    color: var(--text-primary);
    text-decoration: none;
}

.related-post-item h4 a:hover {
    color: var(--ai-primary);
}

/* Tech Stack Widget */
.tech-stack-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 87, 183, 0.1);
}

.tech-icon {
    font-size: var(--font-lg);
    color: var(--ai-primary);
}

.tech-name {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
}

/* Post Footer */
.post-footer {
    border-top: 2px solid rgba(0, 87, 183, 0.2);
    padding: var(--spacing-2xl);
    background: rgba(0, 0, 0, 0.3);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.nav-previous {
    justify-self: start;
}

.nav-next {
    justify-self: end;
    text-align: right;
}

.nav-link {
    display: block;
    padding: var(--spacing-lg);
    background: rgba(0, 87, 183, 0.1);
    border: 1px solid rgba(0, 87, 183, 0.2);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition-base);
    max-width: 300px;
}

.nav-link:hover {
    background: rgba(0, 87, 183, 0.2);
    border-color: var(--ai-primary);
    transform: translateY(-2px);
}

.nav-label {
    display: block;
    font-size: var(--font-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-medium);
}

.nav-title {
    display: block;
    font-size: var(--font-md);
    color: var(--text-primary);
    font-weight: var(--font-medium);
    line-height: 1.4;
}

/* Post Attribution */
.post-attribution {
    text-align: center;
}

.attribution-content {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(0, 87, 183, 0.1);
    border: 1px solid rgba(0, 87, 183, 0.2);
    border-radius: var(--radius-lg);
}

.attribution-icon {
    font-size: var(--font-2xl);
}

.attribution-text strong {
    display: block;
    color: var(--ai-primary);
    font-size: var(--font-md);
    margin-bottom: var(--spacing-xs);
}

.attribution-text p {
    margin: 0;
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.attribution-text a {
    color: var(--ai-primary);
    font-weight: var(--font-medium);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .post-content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .post-sidebar {
        order: -1;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .single-post-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .single-post-header {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .post-content-wrapper {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .post-meta-single {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .meta-left, .meta-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .ai-post-analysis {
        grid-template-columns: 1fr;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .promotion-features {
        grid-template-columns: 1fr;
    }
    
    .social-share-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .share-button {
        min-width: 200px;
    }
    
    .post-navigation {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .nav-next {
        text-align: left;
    }
    
    .nav-link {
        max-width: none;
    }
    
    .attribution-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .single-post-header {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .post-content-wrapper {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .post-footer {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .meta-left, .meta-right {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}