/* Blog Styles — Consistent with Proginter dark theme */

.blog-main {
    min-height: 60vh;
}

/* ─── Animations ─── */
@keyframes blogCardReveal {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes blogPostFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes blogHeroFadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Container */
.blog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-sm);
}

/* Category Filter Pills */
.blog-categories-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    justify-content: center;
    animation: blogHeroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.blog-category-pill {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-xl);
    border: var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-category-pill:hover,
.blog-category-pill.active {
    background: rgba(0, 255, 136, 0.15);
    color: var(--quantum-primary);
    border-color: rgba(0, 255, 136, 0.3);
}

/* Search Bar */
.blog-search-bar {
    margin-bottom: var(--spacing-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    animation: blogHeroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}

.blog-search-bar form {
    display: flex;
    gap: 0.5rem;
}

.blog-search-input {
    flex: 1;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    border: var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.blog-search-input:focus {
    border-color: rgba(0, 255, 136, 0.4);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.1);
}

.blog-search-input::placeholder {
    color: var(--text-muted);
}

.blog-search-btn {
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--gradient-primary);
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-secondary);
    transition: var(--transition-fast);
}

.blog-search-btn:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-glow);
}

/* Post Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.blog-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .blog-grid,
    .blog-grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Post Card */
.blog-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-md);
    border: var(--border-glass);
    background: var(--bg-card);
    overflow: hidden;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(24px);
}

.blog-card.blog-revealed {
    opacity: 1;
    transform: translateY(0);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: rgba(0, 255, 136, 0.2);
}

.blog-card.blog-revealed:hover {
    transform: translateY(-4px);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-image-placeholder {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-image-icon {
    font-size: 2rem;
    color: var(--text-muted);
}

.blog-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--quantum-primary);
    margin-bottom: 0.5rem;
}

.blog-card-title {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    flex: 1;
    margin-bottom: 0.75rem;
}

.blog-card-footer {
    margin-top: auto;
}

.blog-card-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Single Post */
.blog-post-hero {
    height: 400px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    margin-top: 80px;
}

@media (max-width: 768px) {
    .blog-post-hero {
        background-attachment: scroll;
    }
}

.blog-post-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, var(--bg-primary) 100%);
}

.blog-post-article {
    max-width: 800px;
    margin: 0 auto;
}

.blog-post-header {
    margin-bottom: var(--spacing-lg);
    animation: blogPostFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.blog-post-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-xl);
    background: rgba(0, 255, 136, 0.15);
    color: var(--quantum-primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-post-category:hover {
    background: rgba(0, 255, 136, 0.25);
}

.blog-post-date,
.blog-post-reading-time {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.blog-post-title {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

.blog-post-excerpt {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    font-style: italic;
}

/* Post Content Typography */
.blog-post-content {
    line-height: 1.8;
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.blog-post-content h2 {
    font-family: var(--font-secondary);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-post-content h2.blog-revealed {
    opacity: 1;
    transform: translateY(0);
}

.blog-post-content h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-sm) 0 var(--spacing-xs);
}

.blog-post-content p {
    margin-bottom: var(--spacing-sm);
}

.blog-post-content a {
    color: var(--quantum-primary);
    text-decoration: underline;
}

.blog-post-content a:hover {
    color: var(--quantum-secondary);
}

.blog-post-content ul,
.blog-post-content ol {
    margin: var(--spacing-sm) 0;
    padding-left: 1.5rem;
}

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

.blog-post-content blockquote {
    border-left: 3px solid var(--quantum-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
    background: var(--bg-glass);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.blog-post-content code {
    background: var(--bg-glass);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--quantum-primary);
    border: var(--border-glass);
}

.blog-post-content pre {
    background: var(--bg-secondary);
    border: var(--border-glass);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
}

.blog-post-content pre code {
    background: none;
    padding: 0;
    border: none;
    color: var(--text-secondary);
}

.blog-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: var(--spacing-sm) 0;
}

/* Related Posts */
.blog-related {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: var(--border-glass);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-related.blog-revealed {
    opacity: 1;
    transform: translateY(0);
}

.blog-related-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Pagination */
.blog-pagination {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.blog-pagination nav {
    display: flex;
    gap: 0.25rem;
}

.blog-pagination .page-link,
.blog-pagination a,
.blog-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
    border: var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.blog-pagination a:hover {
    background: rgba(0, 255, 136, 0.15);
    color: var(--quantum-primary);
    border-color: rgba(0, 255, 136, 0.3);
}

.blog-pagination .active span,
.blog-pagination [aria-current="page"] span {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    border-color: transparent;
    font-weight: 600;
}

.blog-pagination .disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Empty State */
.blog-empty {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .blog-post-hero {
        height: 250px;
    }

    .blog-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .blog-post-content {
        font-size: 1rem;
    }
}