*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    font-family:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    background: #0f172a;
    color: #e2e8f0;
}

/* ── Header ─────────────────────────────────────────── */
#blog-header {
    background: #1e293b;
    border-bottom: 1px solid #0f172a;
    padding: 14px 32px;
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-shrink: 0;
}

#blog-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: #f1f5f9;
}

#blog-version {
    font-size: 12px;
    color: #64748b;
}

/* ── Content ─────────────────────────────────────────── */
#blog-content {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 32px 64px;
}

#blog-content > h2 {
    font-size: 22px;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 6px;
}

#blog-content > .subtitle {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 40px;
}

/* ── Article card ────────────────────────────────────── */
.article-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 28px 32px;
    margin-bottom: 24px;
    transition: border-color 0.15s;
}

.article-card:hover {
    border-color: #3b82f6;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.article-date {
    font-size: 12px;
    color: #64748b;
}

.article-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #3b82f6;
    background: #172035;
    padding: 2px 8px;
    border-radius: 10px;
}

.article-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #f1f5f9;
    line-height: 1.4;
    margin-bottom: 12px;
}

.article-excerpt {
    color: #94a3b8;
    line-height: 1.75;
    margin-bottom: 20px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #3b82f6;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: gap 0.15s;
}

.read-more:hover {
    gap: 10px;
    text-decoration: none;
}

.read-more .arrow {
    transition: transform 0.15s;
}

.read-more:hover .arrow {
    transform: translateX(3px);
}

/* ── Divider ─────────────────────────────────────────── */
.divider {
    border: none;
    border-top: 1px solid #1e293b;
    margin: 40px 0;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #3b82f6;
    text-decoration: none;
    font-size: 13px;
}

.footer-links a:hover {
    text-decoration: underline;
}