/* Articles & Blog System Stylesheet - Kaleem Khan */

/* --- 1. Blog Index Styles --- */
.articles-hero {
    text-align: center;
    padding-top: 10.5rem !important;
    padding-bottom: 2.5rem;
    margin-top: 1.5rem;
}

.articles-hero h1 {
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--ink, #0F1115);
}

.articles-hero-sub {
    font-size: 1.2rem;
    color: var(--muted, #6B7280);
    max-width: 680px;
    margin: 0 auto 2.5rem;
}

.articles-cat-filter {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.cat-filter-btn {
    background: var(--surface, #FAFAFB);
    border: 1px solid var(--border, #E6E8EC);
    color: var(--muted, #6B7280);
    padding: 0.5rem 1.15rem;
    border-radius: var(--radius-md, 6px);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
}

.cat-filter-btn:hover,
.cat-filter-btn.active {
    background: var(--ink, #0F1115);
    color: #FFFFFF;
    border-color: var(--ink, #0F1115);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.75rem;
    margin-bottom: 5rem;
}

.article-card {
    background: var(--bg, #FFFFFF);
    border: 1px solid var(--border, #E6E8EC);
    border-radius: var(--radius-lg, 12px);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent, #5B5FEF);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--muted, #6B7280);
    font-family: var(--font-mono, monospace);
}

.article-category-badge {
    background: rgba(91, 95, 239, 0.08);
    color: var(--accent, #5B5FEF);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.article-card h2 {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    color: var(--ink, #0F1115);
}

.article-card p {
    font-size: 0.95rem;
    color: var(--muted, #6B7280);
    line-height: 1.55;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.article-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border, #E6E8EC);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent, #5B5FEF);
}

/* --- 2. Single Article Layout Styles --- */
.single-article-wrap {
    padding-top: 10.5rem !important;
    padding-bottom: 5rem;
    margin-top: 1.5rem;
}

.article-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Breadcrumbs */
.article-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--muted, #6B7280);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.article-breadcrumbs a {
    color: var(--muted, #6B7280);
    text-decoration: none;
}

.article-breadcrumbs a:hover {
    color: var(--ink, #0F1115);
    text-decoration: underline;
}

.article-breadcrumbs span {
    opacity: 0.4;
}

/* Article Header */
.article-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border, #E6E8EC);
}

.article-header h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    margin: 1rem 0;
    color: var(--ink, #0F1115);
}

.article-byline {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.9rem;
    color: var(--muted, #6B7280);
    flex-wrap: wrap;
}

.byline-author {
    font-weight: 600;
    color: var(--ink, #0F1115);
}

.byline-dot {
    opacity: 0.4;
}

/* Direct Answer Lead Box */
.article-direct-answer {
    background: rgba(91, 95, 239, 0.05);
    border-left: 4px solid var(--accent, #5B5FEF);
    padding: 1.25rem 1.5rem;
    border-radius: 0 var(--radius-md, 6px) var(--radius-md, 6px) 0;
    margin: 2rem 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--ink, #0F1115);
}

.article-direct-answer strong.direct-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent, #5B5FEF);
    font-family: var(--font-mono, monospace);
    margin-bottom: 0.4rem;
}

/* Table of Contents */
.article-toc {
    background: var(--surface, #FAFAFB);
    border: 1px solid var(--border, #E6E8EC);
    border-radius: var(--radius-md, 6px);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0 2.5rem;
}

.article-toc summary {
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    color: var(--ink, #0F1115);
    user-select: none;
    outline: none;
}

.article-toc ol {
    margin: 0.75rem 0 0 1.25rem;
    padding: 0;
}

.article-toc li {
    font-size: 0.92rem;
    margin-bottom: 0.45rem;
}

.article-toc a {
    color: var(--muted, #6B7280);
    text-decoration: none;
    transition: color 0.15s;
}

.article-toc a:hover {
    color: var(--accent, #5B5FEF);
    text-decoration: underline;
}

/* Article Prose Content */
.article-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--ink, #0F1115);
}

.article-body h2 {
    font-size: 1.65rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 2.75rem 0 1rem;
    padding-top: 1rem;
    color: var(--ink, #0F1115);
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.75rem 0 0.75rem;
    color: var(--ink, #0F1115);
}

.article-body p {
    margin-bottom: 1.35rem;
}

.article-body ul, .article-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
    padding: 0;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body strong {
    color: var(--ink, #0F1115);
}

.article-body a {
    color: var(--accent, #5B5FEF);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-body a:hover {
    color: var(--ink, #0F1115);
}

/* Tables */
.article-table-wrap {
    overflow-x: auto;
    background: var(--bg, #FFFFFF);
    border: 1px solid var(--border, #E6E8EC);
    border-radius: var(--radius-md, 6px);
    margin: 2rem 0;
}

.article-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    min-width: 500px;
}

.article-table th, .article-table td {
    padding: 0.85rem 1.15rem;
    text-align: left;
    border-bottom: 1px solid var(--border, #E6E8EC);
}

.article-table th {
    background: var(--surface, #FAFAFB);
    font-weight: 600;
    color: var(--ink, #0F1115);
}

.article-table tr:last-child td {
    border-bottom: none;
}

/* Visual Mockups & Annotated Diagrams */
.article-visual-box {
    background: var(--surface, #FAFAFB);
    border: 1px solid var(--border, #E6E8EC);
    border-radius: var(--radius-lg, 12px);
    padding: 1.75rem;
    margin: 2.25rem 0;
}

.visual-box-title {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono, monospace);
    color: var(--muted, #6B7280);
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.visual-demo-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 680px) {
    .visual-demo-split {
        grid-template-columns: 1fr;
    }
}

.demo-column {
    background: var(--bg, #FFFFFF);
    border: 1px solid var(--border, #E6E8EC);
    border-radius: var(--radius-md, 6px);
    padding: 1.25rem;
    position: relative;
}

.demo-column.weak {
    border-color: #fca5a5;
    background: #fffafa;
}

.demo-column.improved {
    border-color: #86efac;
    background: #f8fdf9;
}

.demo-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-mono, monospace);
    margin-bottom: 0.75rem;
}

.demo-badge.weak {
    background: #fee2e2;
    color: #991b1b;
}

.demo-badge.improved {
    background: #dcfce7;
    color: #166534;
}

/* Code Blocks */
.article-code-wrap {
    background: #111827;
    border-radius: var(--radius-md, 6px);
    margin: 1.75rem 0;
    overflow: hidden;
}

.code-header {
    background: #1f2937;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: #9ca3af;
    font-family: var(--font-mono, monospace);
}

.code-header span.code-lang {
    text-transform: uppercase;
}

.article-code-wrap pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
    font-family: var(--font-mono, monospace);
    font-size: 0.88rem;
    line-height: 1.6;
    color: #f3f4f6;
}

.article-code-wrap code {
    font-family: inherit;
    color: inherit;
}

/* Sources & Further Reading Box */
.article-sources-box {
    background: var(--surface, #FAFAFB);
    border: 1px solid var(--border, #E6E8EC);
    border-radius: var(--radius-md, 6px);
    padding: 1.5rem;
    margin: 3rem 0;
}

.article-sources-box h3 {
    font-size: 1.05rem;
    margin: 0 0 0.75rem;
}

.article-sources-box ul {
    margin: 0;
    padding-left: 1.25rem;
}

.article-sources-box li {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

/* In-Article CTA Box */
.article-cta-box {
    background: var(--bg, #FFFFFF);
    border: 2px solid var(--ink, #0F1115);
    border-radius: var(--radius-lg, 12px);
    padding: 2.25rem;
    margin: 3.5rem 0;
    text-align: center;
}

.article-cta-box h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.article-cta-box p {
    color: var(--muted, #6B7280);
    max-width: 580px;
    margin: 0 auto 1.5rem;
    font-size: 0.98rem;
}

.article-cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Related Articles Block */
.related-articles-wrap {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border, #E6E8EC);
}

.related-articles-wrap h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 640px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}