.header-content-left {
    text-align: left;
}

.back-link {
    display: inline-block;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--accent-purple);
    transform: translateX(-4px);
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.article-date {
    color: var(--accent-blue);
    font-size: 0.95rem;
    font-weight: 500;
}

.article-source {
    padding: 0.4rem 1rem;
    background: rgba(59, 130, 246, 0.15);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--accent-blue);
    font-weight: 500;
}

.article-content {
    padding: 3rem;
    margin-bottom: 2rem;
}

.article-body {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body h2, .article-body h3 {
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
}

.article-body ul, .article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.75rem;
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.external-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.external-link:hover {
    color: var(--accent-purple);
    gap: 0.75rem;
}

.external-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.external-link:hover .external-icon {
    transform: translate(2px, -2px);
}

.article-navigation {
    text-align: center;
    margin-top: 2rem;
}

.btn-secondary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }

    .article-content {
        padding: 2rem 1.5rem;
    }

    .article-body {
        font-size: 1rem;
    }
}