/* Blog-specific styles - extends main styles.css */

.blog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: opacity 0.2s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo {
    color: var(--accent);
}

.site-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.blog-nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Language Selector */
.language-selector {
    position: relative;
    margin-left: 0.5rem;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.language-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.language-btn svg {
    color: var(--accent);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 160px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    padding: 0.5rem 0;
}

.language-dropdown button {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    text-align: left;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
}

.language-dropdown button:hover {
    background: var(--bg-hover);
}

.language-dropdown button:active,
.language-dropdown button.active {
    background: var(--bg-active);
    color: var(--accent);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .blog-nav {
        flex-wrap: wrap;
    }

    .language-selector {
        margin-left: 0;
        margin-top: 0.5rem;
    }
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

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

.blog-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-intro p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 4rem;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-secondary);
}

.blog-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.blog-category.news {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.blog-category.factoid {
    background: rgba(139, 92, 246, 0.2);
    color: #8b5cf6;
}

.blog-category.solution {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.blog-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.blog-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.blog-tag {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.page-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--text-primary);
}

.page-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

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

.error-message {
    text-align: center;
    padding: 3rem;
    color: var(--error);
}

/* Single Post Page */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.blog-post-header {
    margin-bottom: 2rem;
}

.blog-post-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-post-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.blog-post-content p {
    margin-bottom: 1.5rem;
}

.blog-post-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.blog-post-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.blog-post-content li {
    margin-bottom: 0.5rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .blog-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-intro h2 {
        font-size: 2rem;
    }

    .blog-post-title {
        font-size: 2rem;
    }
}