/* Research Paper Styling */
.research-paper-container {
  padding: 4rem 0;
  background-color: #f9f9fa;
}

.research-paper {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem;
  background-color: #ffffff;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  font-family: 'Georgia', 'Times New Roman', Times, serif;
  line-height: 1.7;
  color: #333;
}

.research-paper h1 {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #ddd;
  color: #0072b1;
}

.research-paper .paper-metadata {
  text-align: center;
  margin-bottom: 2rem;
  font-style: italic;
  color: #555;
}

.research-paper h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #0072b1;
  border-bottom: 1px solid #f0f0f0;
  padding-bottom: 0.5rem;
}

.research-paper h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: #333;
}

.research-paper p {
  margin-bottom: 1rem;
  text-align: justify;
}

.research-paper .paper-section {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
}

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

.research-paper ul li, .research-paper ol li {
  margin-bottom: 0.5rem;
}

.research-paper blockquote {
  border-left: 3px solid #0072b1;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background-color: #f9f9f9;
  font-style: italic;
  color: #555;
}

.research-paper table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
}

.research-paper table th, .research-paper table td {
  border: 1px solid #ddd;
  padding: 0.75rem;
  text-align: left;
}

.research-paper table th {
  background-color: #f5f5f5;
  font-weight: 600;
}

.research-paper table tr:nth-child(even) {
  background-color: #f9f9f9;
}

.research-paper a {
  color: #0072b1;
  text-decoration: none;
  border-bottom: 1px dotted #0072b1;
}

.research-paper a:hover {
  color: #005a8c;
  border-bottom: 1px solid #005a8c;
}

.research-paper .paper-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #eee;
  text-align: center;
}

.research-paper .back-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: #f5f5f5;
  color: #333;
  border: none;
  border-radius: 4px;
  font-family: 'Open Sans', sans-serif;
  transition: all 0.3s ease;
}

.research-paper .back-link:hover {
  background-color: #0072b1;
  color: #fff;
  border: none;
}

/* Table of Contents */
.research-paper .table-of-contents {
  background-color: #f8f9fa;
  border: 1px solid #eaecef;
  border-radius: 4px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.research-paper .table-of-contents h2 {
  font-size: 1.4rem;
  margin-top: 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid #eaecef;
  padding-bottom: 0.5rem;
  color: #333;
}

.research-paper .table-of-contents ol {
  counter-reset: item;
  list-style-type: none;
  padding-left: 0;
}

.research-paper .table-of-contents ol li {
  display: block;
  margin-bottom: 0.5rem;
}

.research-paper .table-of-contents ol li:before {
  content: counters(item, ".") ". ";
  counter-increment: item;
}

.research-paper .table-of-contents ol ol {
  padding-left: 2rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Print styles */
@media print {
  .research-paper {
    box-shadow: none;
    padding: 0;
    font-size: 11pt;
  }
  
  .research-paper h1 {
    font-size: 18pt;
  }
  
  .research-paper h2 {
    font-size: 16pt;
  }
  
  .research-paper h3 {
    font-size: 14pt;
  }
  
  .research-paper .paper-footer {
    display: none;
  }
  
  .site-header, .site-footer {
    display: none;
  }
}

/* Research Papers Specific Styling */

.paper-header {
    padding-top: calc(var(--header-height) + 2rem);
    margin-top: 40px;
    margin-bottom: 2rem;
    text-align: center;
}

.paper-date {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.paper-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.paper-content h1 {
    font-size: 2.25rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--dark-bg);
}

.paper-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    color: var(--dark-bg);
}

.paper-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.paper-content h4, 
.paper-content h5, 
.paper-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.paper-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.paper-content ul, 
.paper-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.paper-content li {
    margin-bottom: 0.5rem;
}

.paper-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 1.5rem 0;
}

.paper-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0 1.5rem 0;
    color: var(--secondary-color);
    font-style: italic;
}

.paper-content pre {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 1.5rem 0;
}

.paper-content code {
    background-color: var(--light-bg);
    padding: 0.2rem 0.4rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-family: monospace;
}

.paper-content pre code {
    background-color: transparent;
    padding: 0;
}

.paper-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.paper-content th, 
.paper-content td {
    padding: 0.75rem;
    border: 1px solid #ddd;
}

.paper-content th {
    background-color: var(--light-bg);
    font-weight: 600;
    text-align: left;
}

.paper-content tr:nth-child(even) {
    background-color: #f9f9f9;
}

.paper-footer {
    margin-top: 3rem;
    text-align: center;
    padding-bottom: 3rem;
}

.papers-list {
    padding-top: calc(var(--header-height) + 2rem);
    max-width: 800px;
    margin: 0 auto;
}

.papers-list .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.papers-list .paper-card {
    margin-bottom: 2rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.papers-list .paper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.papers-list .paper-content {
    padding: 2rem;
}

.papers-list .paper-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.papers-list .paper-excerpt {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.papers-list .paper-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 1rem;
}

.papers-list .paper-date {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Table of Contents */
.toc {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem 0;
}

.toc-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.toc ul {
    margin-bottom: 0;
}

.toc li {
    margin-bottom: 0.5rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .paper-header {
        padding-top: calc(var(--header-height) + 1rem);
    }
    
    .paper-content h1 {
        font-size: 2rem;
    }
    
    .paper-content h2 {
        font-size: 1.5rem;
    }
    
    .paper-content h3 {
        font-size: 1.25rem;
    }
    
    .papers-list .paper-title {
        font-size: 1.25rem;
    }
}