/* ===================================
   ACADEMIC CONTENT STYLING
   =================================== */

/* Academic Content Typography */
.academic-content {
    font-family: var(--font-serif);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.academic-content h1,
.academic-content h2,
.academic-content h3,
.academic-content h4,
.academic-content h5,
.academic-content h6 {
    font-family: var(--font-serif);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.academic-content p {
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    hyphens: auto;
}

.academic-content blockquote {
    font-style: italic;
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    color: var(--color-text-secondary);
    background-color: var(--color-background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

.academic-content ul,
.academic-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.academic-content li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.academic-content strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.academic-content em {
    font-style: italic;
    color: var(--color-text-secondary);
}

/* Article Metadata */
.article-meta {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-background-light);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

.article-meta .author {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.article-meta .date {
    color: var(--color-text-muted);
}

.article-meta .category {
    background-color: var(--color-background-light);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    margin-right: var(--spacing-sm);
    display: inline-block;
}

/* Abstract Section */
.abstract {
    background-color: var(--color-background-light);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.abstract h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
}

.abstract p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

/* Keywords */
.keywords {
    margin-top: var(--spacing-md);
}

.keywords span {
    background-color: var(--color-background-light);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    border: 1px solid var(--color-border);
}

/* References and Citations */
.references {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
}

.references h3 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.references ol {
    counter-reset: reference-counter;
    list-style: none;
    padding-left: 0;
}

.references li {
    counter-increment: reference-counter;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
    position: relative;
    line-height: 1.6;
}

.references li::before {
    content: "[" counter(reference-counter) "]";
    position: absolute;
    left: 0;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    font-family: var(--font-sans);
}

/* Author Biography */
.author-bio {
    background-color: var(--color-background-light);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.author-bio h5 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.author-bio p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

/* Academic Tables */
.academic-content table {
    width: 100%;
    margin: var(--spacing-lg) 0;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.academic-content th,
.academic-content td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.academic-content th {
    background-color: var(--color-background-light);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

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

/* Academic Figures and Images */
.academic-content figure {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.academic-content figure img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.academic-content figcaption {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* Mathematical Content */
.academic-content .math {
    font-family: 'Times New Roman', serif;
    text-align: center;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--color-background-light);
    border-radius: var(--border-radius-md);
}

/* Code Blocks */
.academic-content pre {
    background-color: var(--color-background-light);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    margin: var(--spacing-lg) 0;
}

.academic-content code {
    background-color: var(--color-background-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* Responsive Academic Content */
@media (max-width: 768px) {
    .academic-content {
        font-size: 0.95rem;
        line-height: 1.7;
    }
    
    .academic-content h1 {
        font-size: 1.8rem;
    }
    
    .academic-content h2 {
        font-size: 1.5rem;
    }
    
    .abstract,
    .article-meta,
    .author-bio {
        padding: var(--spacing-md);
    }
    
    .keywords span {
        display: block;
        margin-bottom: var(--spacing-sm);
    }
}