/**
 * Cloud SMS BD - Blog Single Article Styles
 * Path: public/css/blog-single.css
 */

/* Blog Article Header */
.blog-header-section {
    background: radial-gradient(100% 70% at 50% 10%, rgba(8, 124, 240, 0.08) 0%, rgba(15, 23, 42, 0.03) 60%, #FFFFFF 100%), #FFFFFF;
    padding-top: 45px;
    padding-bottom: 35px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.article-headline {
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--dark-navy, #0B1F3A);
    line-height: 1.25;
    letter-spacing: -0.6px;
}

.author-meta-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #FFFFFF;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Article Featured Media Card */
.featured-hero-media {
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 16px 45px rgba(7, 22, 46, 0.1);
    position: relative;
    background: #0B1F3A;
    margin-bottom: 35px;
}

.featured-hero-media img {
    width: 100%;
    height: auto;
    max-height: 460px;
    object-fit: cover;
    display: block;
}

.featured-caption-bar {
    background: rgba(7, 22, 46, 0.88);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    color: #CBD5E1;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Article Body Typography & Headings */
.article-body-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #334155;
}

.article-body-content p {
    margin-bottom: 1.6rem;
}

.article-body-content h2 {
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    font-weight: 800;
    color: var(--dark-navy, #0B1F3A);
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-left: 14px;
    scroll-margin-top: 100px;
}

.article-body-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    background: var(--primary-blue, #087CF0);
    border-radius: 4px;
}

.article-body-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--slate-navy, #1E293B);
    margin-top: 1.9rem;
    margin-bottom: 0.85rem;
    scroll-margin-top: 100px;
}

/* Code and Callout Components */
.code-callout-box {
    background: #0F172A;
    color: #E2E8F0;
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

.insight-callout-box {
    background: #F0F9FF;
    border-left: 4px solid var(--primary-blue, #087CF0);
    border-radius: 0 12px 12px 0;
    padding: 24px;
    margin: 30px 0;
}

.warning-callout-box {
    background: #FFFBEB;
    border-left: 4px solid #F59E0B;
    border-radius: 0 16px 16px 0;
    padding: 20px 24px;
    margin: 2rem 0;
}

.danger-callout-box {
    background: #FEF2F2;
    border-left: 4px solid #EF4444;
    border-radius: 0 12px 12px 0;
    padding: 24px;
    margin: 30px 0;
}

/* Metric Stats Cards */
.metric-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 25px 0;
}

.metric-box {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.metric-val {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-green, #16C83C);
    line-height: 1;
    margin-bottom: 6px;
}

/* Document Checklist Pill Container */
.checklist-grid-card {
    background: #FFFFFF;
    border: 1px solid var(--card-border, #E2E8F0);
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    margin: 1.8rem 0;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.checklist-item i {
    color: var(--primary-green, #16C83C);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Telco Matrix Table */
.telco-matrix-table {
    background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--card-border, #E2E8F0);
    font-size: 0.92rem;
    margin: 1.8rem 0;
}

.telco-matrix-table thead {
    background: #08162B;
    color: #FFFFFF;
}

/* Sticky Sidebar & Widgets */
.sticky-sidebar-wrap {
    position: sticky;
    top: 95px;
}

.sidebar-widget {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 18px;
    padding: 26px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.widget-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--dark-navy, #0B1F3A);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Table of Contents Links */
.toc-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.toc-list li {
    margin-bottom: 10px;
}

.toc-link {
    color: #64748B;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    display: block;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.toc-link:hover, .toc-link.active {
    color: var(--primary-blue, #087CF0);
    background: rgba(8, 124, 240, 0.08);
    font-weight: 700;
    padding-left: 14px;
}

/* Social Share Buttons */
.share-btn-pill {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 0.85rem;
    text-decoration: none;
    transition: transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.share-btn-pill:hover {
    transform: translateY(-2px);
    color: #FFFFFF;
}

.share-facebook { background-color: #1877F2; }
.share-linkedin { background-color: #0A66C2; }
.share-twitter { background-color: #000000; }
.share-whatsapp { background-color: #25D366; }
.share-copy { background-color: #475569; }

/* Author Box */
.author-box-card {
    background: #F8FAFF;
    border: 1px solid rgba(8, 124, 240, 0.15);
    border-radius: 20px;
    padding: 26px;
    margin-top: 40px;
}

/* Interactive Masking Name Tester Widget in Sidebar */
.masking-tester-tool {
    background: linear-gradient(135deg, #07162E 0%, #0B254E 100%);
    border-radius: 20px;
    padding: 22px;
    color: #FFFFFF;
}

/* Related Posts Card */
.related-post-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.related-post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 35px rgba(8, 124, 240, 0.12);
    border-color: rgba(8, 124, 240, 0.3);
}

.related-post-card img {
    height: 160px;
    object-fit: cover;
    width: 100%;
}