/* ChatFly Blog Styles */
/* Matches main site dark theme: #0a0a0f bg, #06b6d4 cyan accent */

/* ===== Blog Index Grid ===== */
.blog-hero {
    padding: 80px 0 40px;
    text-align: center;
}

.blog-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.blog-hero p {
    color: #a0a0b0;
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.blog-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 32px 0 40px;
    flex-wrap: wrap;
    padding: 0 16px;
}

.blog-categories .cat-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #a0a0b0;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
}

.blog-categories .cat-btn:hover,
.blog-categories .cat-btn.active {
    background: rgba(6, 182, 212, 0.15);
    border-color: #06b6d4;
    color: #06b6d4;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    padding: 0 24px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.blog-card {
    background: #111118;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(6, 182, 212, 0.3);
}

.blog-card-image {
    height: 180px;
    background: linear-gradient(135deg, #0f172a 0%, #111118 50%, rgba(6, 182, 212, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.blog-card-image .card-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.blog-card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-body h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.35;
}

.blog-card-body h2 a {
    color: inherit;
    text-decoration: none;
}

.blog-card-body h2 a:hover {
    color: #06b6d4;
}

.blog-card-excerpt {
    color: #a0a0b0;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #606070;
}

.blog-card-meta .read-time {
    color: #06b6d4;
    font-weight: 500;
}

/* Blog ad banner between cards */
.blog-ad-banner {
    grid-column: 1 / -1;
    min-height: 90px;
}

/* ===== Article Layout ===== */
.article-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 80px 24px 60px;
}

.article-header {
    margin-bottom: 40px;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #606070;
    margin-bottom: 24px;
}

.article-breadcrumb a {
    color: #06b6d4;
    text-decoration: none;
}

.article-breadcrumb a:hover {
    text-decoration: underline;
}

.article-breadcrumb .sep {
    color: #606070;
}

.article-category-tag {
    display: inline-block;
    background: rgba(6, 182, 212, 0.15);
    color: #06b6d4;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.article-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.875rem;
    color: #a0a0b0;
    flex-wrap: wrap;
}

.article-meta .author {
    font-weight: 600;
    color: #fff;
}

.article-meta .dot {
    color: #606070;
}

.article-featured-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #0f172a 0%, rgba(6, 182, 212, 0.1) 50%, #111118 100%);
    border-radius: 12px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.article-featured-image .fi-icon {
    font-size: 4rem;
    opacity: 0.4;
}

/* Article body typography */
.article-body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: #d0d0dd;
}

.article-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    margin: 48px 0 16px;
    padding-top: 8px;
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin: 32px 0 12px;
}

.article-body p {
    margin-bottom: 20px;
}

.article-body a {
    color: #06b6d4;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    color: #22d3ee;
}

.article-body ul,
.article-body ol {
    margin: 0 0 24px 24px;
    color: #d0d0dd;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body strong {
    color: #fff;
    font-weight: 600;
}

.article-body blockquote {
    border-left: 4px solid #06b6d4;
    background: rgba(6, 182, 212, 0.06);
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
    color: #c0c0d0;
    font-style: italic;
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

/* Table of Contents */
.toc {
    background: #111118;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 24px;
    margin: 0 0 40px;
}

.toc h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #06b6d4;
    margin: 0 0 12px !important;
    padding: 0;
}

.toc ol {
    margin: 0 0 0 20px;
    list-style: decimal;
    color: #a0a0b0;
}

.toc li {
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.toc a {
    color: #a0a0b0;
    text-decoration: none;
}

.toc a:hover {
    color: #06b6d4;
}

/* CTA Box */
.article-cta {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    margin: 48px 0;
}

.article-cta h3 {
    color: #fff;
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 8px !important;
    padding: 0;
}

.article-cta p {
    color: #a0a0b0;
    margin-bottom: 20px;
}

.article-cta .cta-btn {
    display: inline-block;
    background: #06b6d4;
    color: #000;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.2s ease, transform 0.15s ease;
}

.article-cta .cta-btn:hover {
    background: #22d3ee;
    transform: translateY(-1px);
    color: #000;
}

/* In-article ad spot */
.article-ad-spot {
    min-height: 90px;
    margin: 32px 0;
}

/* After-content area */
.article-after-content {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.related-articles {
    margin-top: 40px;
}

.related-articles h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.related-card {
    background: #111118;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 16px;
    transition: border-color 0.2s ease;
}

.related-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
}

.related-card a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.4;
    display: block;
}

.related-card a:hover {
    color: #06b6d4;
}

.related-card .related-date {
    color: #606070;
    font-size: 0.8rem;
    margin-top: 6px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }

    .article-container {
        padding: 60px 16px 40px;
    }

    .article-featured-image {
        height: 200px;
    }

    .article-body h2 {
        font-size: 1.35rem;
    }

    .article-cta {
        padding: 24px 20px;
    }

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

@media (max-width: 480px) {
    .blog-hero {
        padding: 60px 16px 32px;
    }

    .blog-card-image {
        height: 140px;
    }
}