/* ============================================
   Article-Specific Styles
   ============================================ */

.article-container {
    background: var(--white);
    padding: 2rem 0 4rem;
    min-height: calc(100vh - 300px);
}

/* Breadcrumb Navigation */
.breadcrumb {
    padding: 1rem 0;
    font-size: 0.9rem;
    color: var(--secondary);
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: var(--primary-dark);
}

.breadcrumb span {
    margin: 0 0.5rem;
    color: var(--secondary);
}

.breadcrumb .current {
    color: var(--dark);
    font-weight: 500;
}

/* Article Header */
.article-header {
    margin: 2rem 0 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--light);
}

.article-header h1 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
    font-size: 0.95rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: var(--light);
    color: var(--primary);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Article Content */
.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark);
}

.article-content .lead {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary);
    line-height: 1.6;
}

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

.article-content h2 {
    font-size: 2rem;
    color: var(--dark);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light);
}

.article-content h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin: 2rem 0 1rem;
}

.article-content h4 {
    font-size: 1.2rem;
    color: var(--dark);
    margin: 1.5rem 0 0.75rem;
}

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

.article-content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid var(--primary);
    transition: color 0.3s;
}

.article-content a:hover {
    color: var(--primary-dark);
}

/* Lists */
.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

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

.article-content ul li {
    list-style-type: disc;
}

.article-content ol li {
    list-style-type: decimal;
}

/* Code Blocks */
.article-content pre {
    background: var(--dark);
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary);
}

.article-content code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}

.article-content pre code {
    background: none;
    padding: 0;
}

.article-content :not(pre)>code {
    background: var(--light);
    color: var(--primary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Blockquotes */
.article-content blockquote {
    background: var(--light);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--secondary);
}

/* Images */
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.article-content figure {
    margin: 2rem 0;
}

.article-content figcaption {
    text-align: center;
    font-size: 0.9rem;
    color: var(--secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Tables */
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.article-content th,
.article-content td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--light);
}

.article-content th {
    background: var(--light);
    font-weight: 600;
    color: var(--dark);
}

.article-content tr:hover {
    background: var(--light);
}

/* Special Sections */
.key-takeaways {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.key-takeaways h2 {
    color: var(--accent);
    border: none;
    margin-top: 0;
}

.key-takeaways ul li {
    margin-bottom: 1rem;
}

.conclusion {
    background: var(--light);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 3rem;
}

/* Related Articles */
.related-articles {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--light);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.related-card {
    background: var(--light);
    padding: 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    border-left: 4px solid var(--primary);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.related-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.related-card p {
    color: var(--secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* Article Footer */
.article-footer {
    max-width: 800px;
    margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 2px solid var(--light);
}

.author-info {
    background: var(--light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.author-info h3 {
    color: var(--dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.author-info p {
    color: var(--secondary);
    line-height: 1.6;
    margin: 0;
}

.author-info a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid var(--primary);
}

.article-nav {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    flex-wrap: wrap;
}

.btn-back,
.btn-all {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s, transform 0.3s;
    font-weight: 500;
}

.btn-back:hover,
.btn-all:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Reading Progress Bar (optional) */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: var(--accent);
    z-index: 1000;
    transition: width 0.2s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-header h1 {
        font-size: 1.8rem;
    }

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

    .article-content .lead {
        font-size: 1.1rem;
    }

    .article-content h2 {
        font-size: 1.6rem;
    }

    .article-content h3 {
        font-size: 1.3rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

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

    .article-nav {
        flex-direction: column;
    }

    .btn-back,
    .btn-all {
        text-align: center;
    }
}