/* ===================================
   POSTS PAGE STYLES
   =================================== */

/* Filters Section */
.filters-section {
    padding: var(--space-lg) 0;
    background: var(--color-dark-surface);
    border-bottom: 1px solid var(--color-subtle);
}

.filters-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.filters-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.filter-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.filter-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--color-subtle);
    color: var(--color-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--color-white);
    color: var(--color-white);
}

.filter-btn.active {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
}

.filter-select {
    padding: 0.5rem 1rem;
    background: var(--color-card);
    border: 1px solid var(--color-subtle);
    color: var(--color-white);
    font-size: 0.85rem;
    font-family: var(--font-sans);
    cursor: pointer;
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-white);
}

.filter-select option {
    background: var(--color-card);
    color: var(--color-white);
}

@media (max-width: 768px) {
    .filters-container {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    .filters-group {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }
    
    .filter-buttons {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
    
    .filter-btn {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .post-card-large {
        padding: var(--space-lg);
    }
    
    .post-meta-large {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .post-stats {
        gap: var(--space-xs);
    }
    
    .post-title-large {
        font-size: 1.25rem;
    }
    
    .post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .highlight-box {
        padding: var(--space-lg);
        margin: var(--space-lg) 0;
    }
    
    .action-box {
        padding: var(--space-lg);
        margin: var(--space-lg) 0;
    }
    
    .lead {
        font-size: 1.1rem !important;
    }
    
    .post-tags {
        margin-top: var(--space-md);
        padding-top: var(--space-md);
    }
}

/* Posts Section */
.posts-section {
    padding: var(--space-3xl) 0;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.posts-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl) 0;
    color: var(--color-muted);
}

.post-card-large {
    background: var(--color-card);
    border: 1px solid var(--color-subtle);
    padding: var(--space-xl);
    transition: var(--transition-base);
    height: fit-content;
}

.post-card-large:hover {
    transform: translateY(-4px);
    border-color: var(--color-border);
}

.post-hero-image {
    width: 100%;
    height: 200px;
    background: var(--color-subtle);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2);
}

.post-meta-large {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-pillar-large {
    color: var(--color-white);
    font-weight: 600;
}

.post-stats {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-muted);
}

.post-date {
    color: var(--color-muted);
}

.post-views::before {
    content: '•';
    margin-right: var(--space-sm);
}

.post-title-large {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-white);
    line-height: 1.3;
}

.post-excerpt-large {
    margin-bottom: var(--space-lg);
    color: var(--color-muted);
    line-height: 1.6;
    font-size: 1rem;
}

.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-subtle);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-muted);
}

.post-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.post-tag {
    padding: 0.25rem 0.5rem;
    background: var(--color-subtle);
    color: var(--color-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Pagination */
.posts-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-3xl);
}

.pagination-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-subtle);
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-white);
    color: var(--color-white);
}

.pagination-btn.active {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin: 0 var(--space-md);
}

/* Post Content Enhancements */
.highlight-box {
    background: var(--color-card);
    border: 1px solid var(--color-subtle);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    border-left: 4px solid var(--color-white);
}

.highlight-box h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.highlight-box ul,
.highlight-box ol {
    margin: var(--space-sm) 0;
    padding-left: var(--space-lg);
}

.highlight-box li {
    margin-bottom: var(--space-xs);
    line-height: 1.6;
    color: var(--color-muted);
}

.action-box {
    background: var(--color-black);
    border: 2px solid var(--color-white);
    padding: var(--space-xl);
    margin: var(--space-2xl) 0;
    text-align: center;
}

.action-box h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.action-box p {
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.action-box p:last-child {
    margin-bottom: 0;
}

/* Lead paragraph styling */
.lead {
    font-size: 1.25rem !important;
    font-weight: 500;
    color: var(--color-white) !important;
    margin-bottom: var(--space-lg) !important;
    line-height: 1.6;
}

/* Post tags styling */
.post-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-subtle);
}

.post-tags .tag {
    padding: 0.25rem 0.75rem;
    background: var(--color-subtle);
    color: var(--color-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    border-radius: 4px;
}

/* Newsletter CTA */
.newsletter-cta {
    background: var(--color-black);
    border-top: 1px solid var(--color-subtle);
    border-bottom: 1px solid var(--color-subtle);
    text-align: center;
}

.newsletter-cta .cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-cta h2 {
    margin-bottom: var(--space-md);
    font-size: 2.5rem;
}

.newsletter-cta p {
    margin-bottom: var(--space-lg);
    font-size: 1.125rem;
}

/* Empty State */
.posts-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl) 0;
}

.posts-empty h3 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.posts-empty p {
    color: var(--color-muted);
    margin-bottom: var(--space-lg);
}

.posts-empty .btn {
    margin-top: var(--space-md);
}

/* Loading Animation */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.post-skeleton {
    background: var(--color-card);
    border: 1px solid var(--color-subtle);
    padding: var(--space-xl);
    height: 400px;
}

.post-skeleton .skeleton-line {
    height: 16px;
    background: var(--color-subtle);
    margin-bottom: var(--space-sm);
    animation: pulse 1.5s ease-in-out infinite;
}

.post-skeleton .skeleton-line.title {
    height: 24px;
    width: 80%;
    margin-bottom: var(--space-md);
}

.post-skeleton .skeleton-line.excerpt {
    width: 100%;
}

.post-skeleton .skeleton-line.excerpt:nth-child(4) {
    width: 60%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .post-card-large {
        padding: var(--space-lg);
    }
    
    .post-title-large {
        font-size: 1.25rem;
    }
    
    .post-footer {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }
    
    .post-author {
        justify-content: center;
    }
    
    .post-tags {
        justify-content: center;
    }
    
    .pagination-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .newsletter-cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .posts-pagination {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .pagination-info {
        order: -1;
        width: 100%;
        text-align: center;
        margin-bottom: var(--space-md);
    }
}