/* ===== Blog Listing Page ===== */

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 48px;
}

.blog-listing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.blog-listing-card {
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.blog-listing-card:hover {
    border-color: rgba(139,92,246,0.5);
    transform: translateY(-4px);
    box-shadow: 0 0 10px rgba(139,92,246,0.3), 0 0 30px rgba(139,92,246,0.1);
}

.blog-featured {
    grid-column: span 3;
    flex-direction: row;
}

.blog-featured .blog-listing-image {
    width: 40%;
    min-height: 260px;
    flex-shrink: 0;
}

.blog-featured .blog-listing-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured .blog-listing-content h2 {
    font-size: 1.5rem;
}

.blog-listing-image {
    height: 180px;
    position: relative;
    overflow: hidden;
}

.blog-listing-content {
    padding: 24px;
}

.blog-listing-content h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
    transition: color 0.3s;
}

.blog-listing-content h2 a {
    color: inherit;
    transition: color 0.3s;
}

.blog-listing-card:hover .blog-listing-content h2 a {
    color: var(--primary);
}

.blog-listing-content > p {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 20px;
}

.blog-read-time {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

/* ===== Article Page ===== */

.article-hero {
    padding: 140px 0 64px;
    position: relative;
    overflow: hidden;
}

.article-hero .hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(139,92,246,0.25), transparent);
}

.article-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.article-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(139,92,246,0.15);
    color: var(--primary);
    border: 1px solid rgba(139,92,246,0.3);
    margin-bottom: 20px;
}

.article-hero-content h1 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 20px;
}

.article-meta-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(31,31,46,0.5);
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--muted-foreground);
}

.article-meta-item svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* ===== Article Body ===== */

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 64px 0 80px;
    align-items: start;
}

.article-body {
    min-width: 0;
}

.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 16px;
    line-height: 1.35;
    color: var(--foreground);
}

.article-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--foreground);
}

.article-body p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--muted-foreground);
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    padding-left: 0;
    list-style: none;
    margin-bottom: 20px;
}

.article-body ul li,
.article-body ol li {
    display: flex;
    gap: 12px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--muted-foreground);
    margin-bottom: 10px;
    padding-left: 0;
}

.article-body ul li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
    margin-top: 10px;
}

.article-body ol {
    counter-reset: article-counter;
}

.article-body ol li {
    counter-increment: article-counter;
}

.article-body ol li::before {
    content: counter(article-counter);
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(139,92,246,0.2);
    color: var(--primary);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 4px;
}

.article-callout {
    background: rgba(139,92,246,0.08);
    border: 1px solid rgba(139,92,246,0.25);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 20px 24px;
    margin: 28px 0;
}

.article-callout p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--foreground);
    font-style: italic;
}

.article-tip {
    background: rgba(34,197,94,0.07);
    border: 1px solid rgba(34,197,94,0.2);
    border-left: 3px solid #22c55e;
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 16px 20px;
    margin: 24px 0;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.article-tip-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: #22c55e;
    margin-top: 2px;
}

.article-tip p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--foreground);
}

.article-warning {
    background: rgba(245,158,11,0.07);
    border: 1px solid rgba(245,158,11,0.2);
    border-left: 3px solid #f59e0b;
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 16px 20px;
    margin: 24px 0;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.article-warning-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: #f59e0b;
    margin-top: 2px;
}

.article-warning p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--foreground);
}

.article-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 28px 0;
}

.article-stat-box {
    background: rgba(13,13,20,0.8);
    border: 1px solid rgba(31,31,46,0.5);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.article-stat-box .stat-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.article-stat-box .stat-label {
    font-size: 0.8rem;
    color: var(--muted-foreground);
    margin-top: 4px;
}

.article-divider {
    border: none;
    border-top: 1px solid rgba(31,31,46,0.5);
    margin: 40px 0;
}

/* ===== Article Sidebar ===== */

.article-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background: rgba(13,13,20,0.8);
    border: 1px solid rgba(31,31,46,0.5);
    border-radius: var(--radius);
    padding: 24px;
}

.sidebar-card h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted-foreground);
    margin-bottom: 16px;
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toc-list a {
    font-size: 0.85rem;
    color: var(--muted-foreground);
    transition: color 0.2s;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    line-height: 1.4;
}

.toc-list a::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
    margin-top: 7px;
}

.toc-list a:hover,
.toc-list a:focus-visible { color: var(--primary); outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }

.sidebar-cta-card {
    background: linear-gradient(135deg, rgba(139,92,246,0.15), rgba(139,92,246,0.05));
    border: 1px solid rgba(139,92,246,0.3);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.sidebar-cta-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 8px;
}

.sidebar-cta-card p {
    font-size: 0.825rem;
    color: var(--muted-foreground);
    margin-bottom: 16px;
    line-height: 1.5;
}

/* ===== Related Articles ===== */

.related-articles {
    padding: 64px 0;
    border-top: 1px solid rgba(31,31,46,0.5);
}

.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

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

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
    }
    .blog-featured {
        grid-column: span 2;
    }
    .blog-listing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-hero { padding: 90px 0 48px; }
    .blog-listing-grid {
        grid-template-columns: 1fr;
    }
    .blog-featured {
        grid-column: span 1;
        flex-direction: column;
    }
    .blog-featured .blog-listing-image {
        width: 100%;
        min-height: 180px;
    }
    .related-articles-grid {
        grid-template-columns: 1fr;
    }
    .article-stat-grid {
        grid-template-columns: 1fr;
    }
    .article-meta-row {
        gap: 12px;
    }
}