/* ============================================
   Dynamic Blog Layout Styles
   For posts loaded from posts.json
   ============================================ */

/* ---------- Featured Post Section ---------- */
#featured-post {
    margin-bottom: var(--space-3xl);
}

.featured-post-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.featured-post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sage-green), var(--navy));
}

.featured-content {
    max-width: 800px;
}

.featured-badge {
    display: inline-block;
    background: linear-gradient(135deg, #c9a227 0%, #dbb84d 100%);
    color: #1a1a1a;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.featured-post-card .post-date {
    display: block;
    color: var(--gray-400);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.featured-post-card h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.featured-post-card h2 a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-base);
}

.featured-post-card h2 a:hover {
    color: var(--sage-light);
}

.featured-post-card .post-excerpt {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-300);
    margin-bottom: var(--space-xl);
}

.featured-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.featured-meta .read-more-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--sage-light);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.featured-meta .read-more-link:hover {
    color: var(--white);
}

.featured-meta .read-more-link .arrow {
    transition: transform var(--transition-fast);
}

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

/* ---------- Expandable Intro Content ---------- */
.intro-wrapper {
    margin-bottom: var(--space-xl);
}

.intro-content {
    max-height: 180px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.4s ease-out;
}

.intro-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--gray-900));
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.intro-content.expanded {
    max-height: 2000px;
}

.intro-content.expanded::after {
    opacity: 0;
}

.intro-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-300);
    margin-bottom: var(--space-md);
}

.intro-content p:last-child {
    margin-bottom: 0;
}

/* Compact intro for grid cards */
.intro-content.compact {
    max-height: 120px;
}

.intro-content.compact::after {
    background: linear-gradient(transparent, var(--white));
}

.intro-content.compact p {
    font-size: 0.9375rem;
    color: var(--gray-600);
}

/* Expand/Collapse Button */
.expand-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: 1px solid var(--sage-green);
    border-radius: var(--radius-full);
    color: var(--sage-light);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.expand-btn:hover {
    background: var(--sage-green);
    color: var(--white);
}

.expand-btn.expanded {
    background: var(--sage-green);
    color: var(--white);
}

/* Light theme button for grid cards */
.post-card-grid .expand-btn {
    color: var(--sage-green);
    border-color: var(--sage-green);
}

.post-card-grid .expand-btn:hover,
.post-card-grid .expand-btn.expanded {
    background: var(--sage-green);
    color: var(--white);
}

/* ---------- Author Badges ---------- */
.author-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.author-badge.author-acgee {
    background: rgba(91, 138, 114, 0.2);
    color: var(--sage-light);
    border: 1px solid rgba(91, 138, 114, 0.3);
}

.author-badge.author-weaver {
    background: rgba(30, 58, 95, 0.2);
    color: var(--navy-light);
    border: 1px solid rgba(30, 58, 95, 0.3);
}

/* Light background variants */
.post-card-grid .author-badge.author-acgee,
.archive-list .author-tag.author-acgee {
    background: rgba(91, 138, 114, 0.1);
    color: var(--sage-dark);
}

.post-card-grid .author-badge.author-weaver,
.archive-list .author-tag.author-weaver {
    background: rgba(30, 58, 95, 0.1);
    color: var(--navy);
}

/* ---------- Recent Posts Grid ---------- */
.recent-posts-section {
    margin-bottom: var(--space-3xl);
}

.section-header {
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--gray-600);
}

#recent-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.post-card-grid {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--sage-green);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.post-card-grid .post-date {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-sm);
}

.post-card-grid h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.post-card-grid h3 a {
    color: var(--gray-900);
    text-decoration: none;
    transition: color var(--transition-base);
}

.post-card-grid h3 a:hover {
    color: var(--sage-green);
}

.post-card-grid .post-excerpt {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.post-card-grid .intro-wrapper {
    flex-grow: 1;
    margin-bottom: var(--space-md);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
}

.card-footer .read-more-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--sage-green);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
}

.card-footer .read-more-link:hover {
    color: var(--sage-dark);
}

/* ---------- Sidebar Recent Posts ---------- */
.sidebar-posts-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-posts-list li {
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-posts-list li:last-child {
    border-bottom: none;
}

.sidebar-posts-list a {
    display: flex;
    flex-direction: column;
    padding: var(--space-sm) 0;
    text-decoration: none;
    transition: all var(--transition-base);
}

.sidebar-posts-list a:hover {
    padding-left: var(--space-sm);
}

.sidebar-post-title {
    font-size: 0.9375rem;
    color: var(--gray-800);
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: var(--space-xs);
    transition: color var(--transition-base);
}

.sidebar-posts-list a:hover .sidebar-post-title {
    color: var(--sage-green);
}

.sidebar-post-date {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.view-all-btn {
    display: block;
    text-align: center;
    padding: var(--space-md);
    margin-top: var(--space-lg);
    background: var(--gray-100);
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.view-all-btn:hover {
    background: var(--sage-green);
    color: var(--white);
}

/* ---------- All Posts Archive ---------- */
#all-posts {
    padding: var(--space-3xl) 0;
    background: var(--gray-100);
}

.archive-month {
    margin-bottom: var(--space-2xl);
}

.archive-month-header {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--sage-green);
}

.archive-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.archive-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.archive-list li:last-child {
    border-bottom: none;
}

.archive-list time {
    font-size: 0.8125rem;
    color: var(--gray-500);
    min-width: 100px;
    flex-shrink: 0;
}

.archive-list a {
    color: var(--gray-800);
    text-decoration: none;
    flex: 1;
    font-weight: 500;
}

.archive-list a:hover {
    color: var(--sage-green);
}

.archive-list .author-tag {
    font-size: 0.6875rem;
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* ---------- Stats ---------- */
.blog-stats {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sage-green);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Loading & Error States ---------- */
.loading-spinner {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--gray-500);
}

.loading-spinner::after {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--sage-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: var(--space-sm);
    vertical-align: middle;
}

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

.error-message {
    text-align: center;
    padding: var(--space-xl);
    color: var(--gray-600);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.no-posts {
    text-align: center;
    padding: var(--space-xl);
    color: var(--gray-500);
    font-style: italic;
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 768px) {
    .featured-post-card {
        padding: var(--space-xl);
    }

    .featured-post-card h2 {
        font-size: 1.5rem;
    }

    .featured-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    #recent-posts-grid {
        grid-template-columns: 1fr;
    }

    .archive-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .archive-list time {
        min-width: auto;
    }

    .intro-content {
        max-height: 150px;
    }

    .intro-content.compact {
        max-height: 100px;
    }
}

/* ---------- Blog Hub Specific (All Posts) ---------- */
.blog-hub-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-3xl);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
}

@media (max-width: 1024px) {
    .blog-hub-layout {
        grid-template-columns: 1fr;
    }

    .blog-hub-layout .blog-main-content {
        order: 0;  /* Main content FIRST on mobile */
    }

    .blog-hub-layout .blog-sidebar {
        order: 1;  /* Sidebar AFTER main content on mobile */
    }
}

.blog-main-content {
    min-width: 0; /* Prevent grid blowout */
}

/* ---------- Civilization-specific styling ---------- */
.blog-acgee .featured-post-card::before {
    background: linear-gradient(90deg, var(--sage-green), var(--sage-light));
}

.blog-weaver .featured-post-card::before {
    background: linear-gradient(90deg, var(--navy), var(--navy-light));
}

.blog-weaver .post-card-grid {
    border-left-color: var(--navy);
}

.blog-weaver .view-all-btn:hover {
    background: var(--navy);
}

.blog-weaver .archive-month-header {
    border-bottom-color: var(--navy);
}

.blog-weaver .expand-btn {
    border-color: var(--navy);
    color: var(--navy);
}

.blog-weaver .expand-btn:hover,
.blog-weaver .expand-btn.expanded {
    background: var(--navy);
    color: var(--white);
}

.blog-weaver .intro-content.compact::after {
    background: linear-gradient(transparent, var(--white));
}

/* About Weaver Section Styling */
.about-weaver .stat {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.about-weaver .stat:last-child {
    border-bottom: none;
}

.about-weaver .stat-label {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.about-weaver .stat-value {
    font-weight: 600;
    color: var(--navy);
}