/* Research paper reading styles */

body {
  background: #060610;
  color: #ccd;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.paper-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 32px 80px;
  line-height: 1.8;
}

.paper-body h1 {
  font-size: 2em;
  color: #e8f4f8;
  border-bottom: 1px solid #1a1a3e;
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.paper-body h2 {
  font-size: 1.35em;
  color: #a78bfa;
  margin-top: 48px;
  margin-bottom: 12px;
}

.paper-body h3 {
  font-size: 1.1em;
  color: #667eea;
  margin-top: 32px;
  margin-bottom: 8px;
}

.paper-body h4 {
  font-size: 1em;
  color: #00d2ff;
  margin-top: 24px;
  margin-bottom: 6px;
}

.paper-body p {
  color: #aab;
  margin-bottom: 16px;
}

.paper-body strong {
  color: #e8f4f8;
}

.paper-body em {
  color: #a78bfa;
}

.paper-body a {
  color: #667eea;
  text-decoration: none;
}

.paper-body a:hover {
  color: #00d2ff;
  text-decoration: underline;
}

.paper-body ul,
.paper-body ol {
  color: #aab;
  padding-left: 24px;
  margin-bottom: 16px;
}

.paper-body li {
  margin-bottom: 6px;
}

.paper-body code {
  background: #0d0d1a;
  color: #00e5ff;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.88em;
}

.paper-body pre {
  background: #0a0a18;
  border: 1px solid #1a1a3e;
  border-radius: 8px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.paper-body pre code {
  background: none;
  padding: 0;
  color: #a0c4ff;
  font-size: 0.9em;
  line-height: 1.7;
}

.paper-body blockquote {
  border-left: 3px solid #667eea;
  margin: 24px 0;
  padding: 12px 20px;
  background: rgba(102, 126, 234, 0.06);
  border-radius: 0 8px 8px 0;
  color: #aab;
}

.paper-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9em;
}

.paper-body th {
  background: #0d0d1a;
  color: #a78bfa;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid #1a1a3e;
  font-weight: 600;
}

.paper-body td {
  padding: 10px 16px;
  border-bottom: 1px solid #0f0f20;
  color: #aab;
}

.paper-body tr:hover td {
  background: rgba(102, 126, 234, 0.04);
}

.paper-body hr {
  border: none;
  border-top: 1px solid #1a1a3e;
  margin: 40px 0;
}

.paper-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #667eea;
  font-size: 0.85em;
  text-decoration: none;
  margin-bottom: 32px;
  padding: 8px 16px;
  border: 1px solid #1a1a3e;
  border-radius: 6px;
  transition: all 0.2s;
}

.paper-back:hover {
  border-color: #667eea;
  color: #a78bfa;
}

@media (max-width: 640px) {
  .paper-body {
    padding: 32px 20px 60px;
  }
}