/* ==========================================
   BLOG POST STYLES
   Science4Data Design System
   ========================================== */

/* Blog Post Header */
.blog-post-header {
    background: linear-gradient(135deg, rgba(251, 242, 255, 0.5) 0%, rgba(238, 205, 252, 0.3) 100%);
    padding: 3rem 0 2rem;
    border-bottom: 1px solid rgba(218, 213, 220, 0.3);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-medium-grey);
}

.blog-meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.blog-meta-item .material-icons {
    font-size: 1.125rem;
    color: var(--color-accent);
}

.blog-category {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.blog-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-excerpt {
    font-size: 1.25rem;
    color: var(--color-medium-grey);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Blog Layout - Sticky Sidebar */
.blog-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 3rem;
    align-items: start;
}

.blog-sidebar {
    position: relative;
    height: 100%;
}

.sidebar-sticky {
    position: sticky;
    top: 120px;
}

.featured-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.featured-image:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* Blog Content */
.blog-content {
    max-width: 100%;
    padding: 2rem 0;
}

.blog-content h2 {
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-content h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-top: 2rem;
    margin-bottom: 0.875rem;
}

.blog-content p {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-dark-grey);
    margin-bottom: 1.5rem;
}

.blog-content ul,
.blog-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.blog-content li {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-dark-grey);
    margin-bottom: 0.75rem;
}

.blog-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-medium-grey);
    background: var(--color-accent-light);
    padding: 1.5rem 1.5rem 1.5rem 2rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    box-shadow: var(--shadow-sm);
}

.blog-content code {
    background: var(--color-accent-light);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9375rem;
    color: var(--color-accent);
}

.blog-content pre {
    background: var(--color-dark-grey);
    color: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.5rem 0;
}

.blog-content pre code {
    background: transparent;
    padding: 0;
    color: var(--color-white);
}

/* Author Bio */
.author-bio {
    background: linear-gradient(135deg, rgba(251, 242, 255, 0.5) 0%, rgba(238, 205, 252, 0.3) 100%);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 3rem 0;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    border: 1px solid rgba(218, 213, 220, 0.3);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--color-white);
    box-shadow: var(--shadow-sm);
}

.author-info h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: 0.375rem;
}

.author-info p {
    font-size: 0.9375rem;
    color: var(--color-medium-grey);
    margin: 0;
    line-height: 1.6;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 0.75rem;
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(218, 213, 220, 0.3);
    border-bottom: 1px solid rgba(218, 213, 220, 0.3);
}

.share-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid rgba(218, 213, 220, 0.4);
}

.share-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.share-twitter {
    background: #1DA1F2;
    color: white;
    border-color: #1DA1F2;
}

.share-linkedin {
    background: #0077B5;
    color: white;
    border-color: #0077B5;
}

.share-facebook {
    background: #1877F2;
    color: white;
    border-color: #1877F2;
}

.share-email {
    background: var(--color-white);
    color: var(--color-accent);
}

/* Related Posts */
.related-posts {
    margin-top: 4rem;
}

.related-post-card {
    display: block;
    background: var(--gradient-card);
    border: 1px solid rgba(218, 213, 220, 0.3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.related-post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
    text-decoration: none;
}

.related-post-thumbnail {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.related-post-content {
    padding: 1.5rem;
}

.related-post-card h5 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.related-post-card p {
    font-size: 0.9375rem;
    color: var(--color-medium-grey);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .blog-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sidebar-sticky {
        position: static;
    }

    .featured-image {
        margin-bottom: 1.5rem;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
}

@media (max-width: 768px) {
    .blog-title {
        font-size: 1.875rem;
    }

    .blog-excerpt {
        font-size: 1.0625rem;
    }

    .blog-content h2 {
        font-size: 1.5rem;
    }

    .blog-content h3 {
        font-size: 1.25rem;
    }

    .author-bio {
        flex-direction: column;
        text-align: center;
    }

    .share-buttons {
        flex-wrap: wrap;
    }
}