/* Blog Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.posts-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Post Card Styles */
.post-card {
    background: var(--bg-card, white);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px var(--shadow-sm, rgba(0, 0, 0, 0.1));
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    box-shadow: 0 8px 16px var(--shadow-md, rgba(0, 0, 0, 0.12));
    transform: translateY(-4px);
    border-color: var(--accent-color, #2563eb);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.post-card h3 {
    margin: 0;
    font-size: 1.5rem;
    line-height: 1.3;
    flex: 1;
}

.post-card h3 a {
    color: var(--text-primary, #1a202c);
    text-decoration: none;
    transition: color 0.2s ease;
}

.post-card h3 a:hover {
    color: var(--accent-color, #2563eb);
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--accent-color, #dbeafe);
    color: #fff;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    opacity: 0.9;
}

/* Post Meta */
.post-meta {
    color: var(--text-muted, #6b7280);
    font-size: 0.875rem;
    margin: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.post-meta time {
    font-weight: 500;
}

.post-meta .author {
    color: var(--text-secondary, #4b5563);
}

.post-meta .author::before {
    content: "•";
    margin-right: 0.5rem;
    color: var(--border-color, #d1d5db);
}

/* Post Excerpt */
.post-excerpt {
    color: var(--text-secondary, #4b5563);
    line-height: 1.6;
    margin: 1rem 0;
    flex: 1;
}

/* Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background-color: var(--bg-secondary, #f3f4f6);
    color: var(--text-secondary, #4b5563);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.tag:hover {
    background-color: var(--border-light, #e5e7eb);
    color: var(--text-primary, #1f2937);
}

/* Read More Link */
.read-more {
    color: var(--accent-color, #2563eb);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap 0.2s ease;
    margin-top: auto;
    padding-top: 1rem;
}

.read-more:hover {
    gap: 0.5rem;
    color: var(--accent-hover, #1d4ed8);
}

/* Empty States */
.no-posts,
.error {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted, #6b7280);
    font-style: italic;
    grid-column: 1 / -1;
}

.error {
    color: #dc2626;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
}

[data-theme="dark"] .error {
    background-color: #451a1a;
    border-color: #7f1d1d;
}

/* Category Filters */
.blog-filters {
    margin-bottom: 2rem;
}

.category-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 20px;
    background: var(--bg-card, #fff);
    color: var(--text-secondary, #4b5563);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-btn:hover {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
}

.category-btn.active {
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: #fff;
}

/* Page Header */
.page-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color, #e5e7eb);
}

.page-header h1 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary, #1a202c);
    font-size: 2.5rem;
}

.page-header p {
    margin: 0;
    color: var(--text-muted, #6b7280);
    font-size: 1.125rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .posts-grid,
    .posts-preview {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .post-card {
        padding: 1.5rem;
    }
    
    .post-card h3 {
        font-size: 1.25rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .post-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .post-card {
        padding: 1.25rem;
    }
    
    .post-card h3 {
        font-size: 1.125rem;
    }
    
    .page-header h1 {
        font-size: 1.75rem;
    }
}