/* ==========================================
   BLOG STYLES - AI Sync 101
   Extends main site styles (../css/styles.css)
   ========================================== */

/* ==========================================
   BLOG HEADER
   ========================================== */

.blog-hero {
    padding: 10rem 0 4rem;
    text-align: center;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 163, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255, 31, 143, 0.06) 0%, transparent 50%),
        #0A0A0A;
}

.blog-hero .section-title {
    margin-bottom: 0.5rem;
}

.blog-hero .section-subtitle {
    margin-bottom: 2rem;
}

/* Category Filter */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    background: transparent;
    color: var(--color-gray-400);
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-blue);
    color: var(--color-white);
    background: rgba(0, 163, 255, 0.1);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-white);
    font-weight: 600;
}

/* ==========================================
   BLOG GRID - LISTING PAGE
   ========================================== */

.blog-listing {
    padding: 4rem 0 6rem;
    background: #0A0A0A;
    min-height: 50vh;
}

.blog-listing .blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-listing .blog-card {
    background: #1A1A1A;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid #2A2A2A;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.blog-listing .blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 163, 255, 0.15);
    border-color: rgba(0, 163, 255, 0.3);
}

.blog-listing .blog-card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #111;
    position: relative;
}

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

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

.blog-listing .blog-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 163, 255, 0.08) 0%, rgba(255, 31, 143, 0.08) 100%);
    color: var(--color-gray-600);
}

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

.blog-listing .blog-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
}

.blog-listing .blog-card-title {
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--color-white);
    transition: color var(--transition-fast);
}

.blog-listing .blog-card:hover .blog-card-title {
    color: var(--color-blue);
}

.blog-listing .blog-card-excerpt {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.blog-listing .blog-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.blog-listing .blog-card-author {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.blog-listing .blog-card-date {
    font-size: 0.85rem;
    color: var(--color-gray-600);
}

/* No posts message */
.no-posts {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-gray-500);
    font-size: 1.125rem;
    grid-column: 1 / -1;
}

/* ==========================================
   SINGLE POST PAGE
   ========================================== */

.post-hero {
    padding: 10rem 0 3rem;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 163, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 31, 143, 0.06) 0%, transparent 50%),
        #0A0A0A;
}

.post-hero-inner {
    max-width: 800px;
    margin: 0 auto;
}

.post-breadcrumb {
    margin-bottom: 2rem;
}

.post-breadcrumb a {
    color: var(--color-blue);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.post-breadcrumb a:hover {
    color: var(--color-pink);
}

.post-breadcrumb span {
    color: var(--color-gray-600);
    font-size: 0.9rem;
}

.post-category-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(0, 163, 255, 0.1);
    border: 1px solid rgba(0, 163, 255, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-image: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.25rem;
}

.post-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--color-gray-500);
    font-size: 0.9rem;
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-meta-item svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

/* Post Featured Image */
.post-featured-image {
    max-width: 900px;
    margin: -1rem auto 0;
    padding: 0 2rem;
}

.post-featured-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.post-featured-image .post-image-placeholder {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(0, 163, 255, 0.08) 0%, rgba(255, 31, 143, 0.08) 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Post Content */
.post-content-wrapper {
    padding: 3rem 0 6rem;
    background: #0A0A0A;
}

.post-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 2rem;
}

.post-content h2 {
    font-size: 1.75rem;
    margin: 3rem 0 1rem;
    color: var(--color-white);
}

.post-content h3 {
    font-size: 1.375rem;
    margin: 2.5rem 0 0.75rem;
    color: var(--color-white);
}

.post-content h4 {
    font-size: 1.125rem;
    margin: 2rem 0 0.5rem;
    color: var(--color-white);
}

.post-content p {
    color: var(--color-gray-300);
    line-height: 1.8;
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
}

.post-content ul,
.post-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.post-content ul {
    list-style: none;
    padding-left: 0;
}

.post-content ul li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--color-gray-300);
    line-height: 1.7;
    font-size: 1.0625rem;
}

.post-content ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-blue);
    font-weight: 700;
}

.post-content ol li {
    margin-bottom: 0.75rem;
    color: var(--color-gray-300);
    line-height: 1.7;
    font-size: 1.0625rem;
}

.post-content blockquote {
    border-left: 4px solid var(--color-blue);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    background: rgba(0, 163, 255, 0.05);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-content blockquote p {
    color: var(--color-gray-300);
    font-size: 1.125rem;
    font-style: italic;
    margin: 0;
}

.post-content strong {
    color: var(--color-white);
    font-weight: 600;
}

.post-content a {
    color: var(--color-blue);
    text-decoration: underline;
    text-decoration-color: rgba(0, 163, 255, 0.3);
    text-underline-offset: 3px;
    transition: all var(--transition-fast);
}

.post-content a:hover {
    color: var(--color-pink);
    text-decoration-color: rgba(255, 31, 143, 0.5);
}

.post-content code {
    background: #1A1A1A;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    color: var(--color-blue);
    border: 1px solid #2A2A2A;
}

.post-content pre {
    background: #1A1A1A;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 2rem 0;
    border: 1px solid #2A2A2A;
}

.post-content pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: 0.9rem;
    color: var(--color-gray-300);
}

.post-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 163, 255, 0.3), rgba(255, 31, 143, 0.3), transparent);
    margin: 3rem 0;
}

/* Post Images */
.post-content figure.post-image,
.post-content .post-image {
    margin: 2.5rem -2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.post-content figure.post-image img,
.post-content .post-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform var(--transition-normal);
}

.post-content figure.post-image:hover img {
    transform: scale(1.01);
}

.post-content figure.post-image figcaption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray-600);
    margin-top: 0.75rem;
    font-style: italic;
}

/* Featured image at top of post */
.post-featured-image-full {
    max-width: 900px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
}

.post-featured-image-full img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Blog listing card with real image */
.blog-listing .blog-card-image img,
.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Callout Box */
.callout {
    padding: 1.5rem 2rem;
    background: rgba(0, 163, 255, 0.05);
    border: 1px solid rgba(0, 163, 255, 0.2);
    border-radius: var(--radius-lg);
    margin: 2rem 0;
}

.callout-title {
    font-weight: 700;
    color: var(--color-blue);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

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

/* Share Section */
.post-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.post-share-label {
    color: var(--color-gray-500);
    font-size: 0.9rem;
    font-weight: 600;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0;
}

.share-btn:hover {
    background: rgba(0, 163, 255, 0.15);
    border-color: var(--color-blue);
    color: var(--color-blue);
    transform: translateY(-2px);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

/* Author Box */
.post-author-box {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding: 2rem;
    background: #1A1A1A;
    border-radius: var(--radius-lg);
    margin-top: 2rem;
    border: 1px solid #2A2A2A;
}

.post-author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.post-author-info h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.post-author-info p {
    color: var(--color-gray-500);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

/* Related Posts */
.related-posts {
    padding: 4rem 0;
    background: #0F0F0F;
}

.related-posts .section-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Back to blog link */
.back-to-blog {
    text-align: center;
    padding: 2rem 0;
}

.back-to-blog a {
    color: var(--color-blue);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.back-to-blog a:hover {
    color: var(--color-pink);
}

/* ==========================================
   LOADING STATE
   ========================================== */

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    grid-column: 1 / -1;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 163, 255, 0.2);
    border-top-color: var(--color-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================
   RESPONSIVE - BLOG PAGES
   ========================================== */

@media (max-width: 1024px) {
    .blog-listing .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 8rem 0 3rem;
    }

    .post-hero {
        padding: 8rem 0 2rem;
    }

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

    .blog-listing .blog-card-image {
        height: 180px;
    }

    .post-title {
        font-size: 1.75rem;
    }

    .post-meta {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .post-content {
        padding: 0 1rem;
    }

    .post-featured-image {
        padding: 0 1rem;
    }

    .post-author-box {
        flex-direction: column;
        text-align: center;
    }

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

    .post-share {
        flex-wrap: wrap;
    }

    .category-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 7rem 0 2rem;
    }

    .post-hero {
        padding: 7rem 0 1.5rem;
    }

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

    .post-content h3 {
        font-size: 1.25rem;
    }

    .post-content p,
    .post-content ul li,
    .post-content ol li {
        font-size: 1rem;
    }
}