/* =================================================================
   Blog Pages - Modern Design
   ================================================================= */

/* Blog List Page - Hero Section */
.blog-hero {
    position: relative;
    padding: var(--spacing-3xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: var(--spacing-2xl);
}

.blog-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.blog-hero-title {
    font-size: 2.5rem;
    font-weight: var(--fw-extrabold);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: var(--fw-regular);
}

/* Blog List Section */
.blog-list-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl) var(--spacing-3xl);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
}

/* Blog Card - Glassmorphic Design */
.blog-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--primary-500);
}

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

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

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

.blog-card-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-card-meta svg {
    opacity: 0.7;
}

.blog-card-title {
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.blog-card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-card-title a:hover {
    color: var(--primary-400);
}

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

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-400);
    text-decoration: none;
    font-weight: var(--fw-semibold);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.blog-read-more:hover {
    color: var(--primary-300);
    gap: var(--spacing-md);
}

.blog-read-more svg {
    transition: transform var(--transition-fast);
}

.blog-read-more:hover svg {
    transform: translateX(4px);
}

/* Empty State */
.blog-empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

.empty-icon {
    margin-bottom: var(--spacing-xl);
    opacity: 0.5;
}

.blog-empty-state h2 {
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.blog-empty-state p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* =================================================================
   Blog Detail Page
   ================================================================= */

.blog-detail {
    min-height: 100vh;
}

/* Hero Section with Image */
.blog-detail-hero {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.blog-detail-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-detail-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, var(--bg-primary) 100%);
}

/* Article Container */
.blog-detail-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

/* Header Section */
.blog-detail-header {
    margin-bottom: var(--spacing-2xl);
}

.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
    transition: color var(--transition-fast);
}

.blog-back-link:hover {
    color: var(--primary-400);
}

.blog-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-detail-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.blog-detail-meta svg {
    opacity: 0.7;
}

.blog-author-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.blog-author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-detail-title {
    font-size: 2.5rem;
    font-weight: var(--fw-extrabold);
    line-height: 1.2;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Article Body - Glassmorphic Card */
.blog-detail-body {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
    color: var(--text-secondary);
}

.blog-detail-body h1,
.blog-detail-body h2,
.blog-detail-body h3,
.blog-detail-body h4,
.blog-detail-body h5,
.blog-detail-body h6 {
    color: var(--text-primary);
    font-weight: var(--fw-bold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.blog-detail-body h1 {
    font-size: 2rem;
}

.blog-detail-body h2 {
    font-size: 1.75rem;
}

.blog-detail-body h3 {
    font-size: 1.5rem;
}

.blog-detail-body h4 {
    font-size: 1.25rem;
}

.blog-detail-body p {
    margin-bottom: var(--spacing-lg);
}

.blog-detail-body a {
    color: var(--primary-400);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.blog-detail-body a:hover {
    color: var(--primary-300);
    border-bottom-color: var(--primary-300);
}

.blog-detail-body ul,
.blog-detail-body ol {
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.blog-detail-body li {
    margin-bottom: var(--spacing-sm);
}

.blog-detail-body code {
    background: var(--bg-elevated);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.875em;
    color: var(--accent-cyan);
}

.blog-detail-body pre {
    background: var(--bg-elevated);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.blog-detail-body pre code {
    background: none;
    padding: 0;
    color: var(--text-secondary);
}

.blog-detail-body blockquote {
    border-left: 4px solid var(--primary-500);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.blog-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
}

/* Sources Section */
.blog-detail-sources {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.blog-sources-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.blog-sources-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

.blog-sources-content a,
.blog-source-link {
    color: var(--primary-400) !important;
    text-decoration: underline !important;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.blog-sources-content a:hover,
.blog-source-link:hover {
    color: var(--primary-300) !important;
}

/* Related Posts Section */
.blog-related-section {
    margin-bottom: var(--spacing-2xl);
}

.blog-related-title {
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.blog-related-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-related-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-500);
}

.blog-related-image {
    width: 100%;
    height: 150px;
    overflow: hidden;
}

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

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

.blog-related-content {
    padding: var(--spacing-lg);
}

.blog-related-card-title {
    font-size: 1rem;
    font-weight: var(--fw-semibold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.blog-related-card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-related-card-title a:hover {
    color: var(--primary-400);
}

.blog-related-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Footer */
.blog-detail-footer {
    text-align: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--fw-medium);
    transition: all var(--transition-base);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary-500);
    color: var(--primary-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* =================================================================
   Responsive Design
   ================================================================= */

@media (max-width: 768px) {
    .blog-hero {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

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

    .blog-hero-subtitle {
        font-size: 1rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .blog-detail-hero {
        height: 300px;
    }

    .blog-detail-container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

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

    .blog-detail-body {
        padding: var(--spacing-xl);
    }

    .blog-detail-body h1 {
        font-size: 1.75rem;
    }

    .blog-detail-body h2 {
        font-size: 1.5rem;
    }

    .blog-detail-body h3 {
        font-size: 1.25rem;
    }

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

@media (max-width: 480px) {
    .blog-hero-title {
        font-size: 1.75rem;
    }

    .blog-card-content {
        padding: var(--spacing-lg);
    }

    .blog-detail-title {
        font-size: 1.75rem;
    }

    .blog-detail-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* =================================================================
   Accessibility - Reduced Motion
   ================================================================= */

@media (prefers-reduced-motion: reduce) {

    .blog-card,
    .blog-card-image img,
    .blog-read-more,
    .blog-related-card,
    .blog-related-image img,
    .btn-outline {
        transition: none;
    }

    .blog-card:hover,
    .blog-related-card:hover,
    .btn-outline:hover {
        transform: none;
    }
}