* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--mono);
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  padding: 20px 24px;
  line-height: 1.5;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--scanline);
  pointer-events: none;
  z-index: 9999;
}

h1 {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

:root[data-theme="neon-dark"] h1,
:root[data-theme="neon-light"] h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: var(--neon-glow);
}

h2 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.markdown-content {
  line-height: 1.6;
  color: var(--text-secondary);
}

.markdown-content h1 { font-size: 1.4em; margin: 16px 0 8px; color: var(--text-primary); }
.markdown-content h2 { font-size: 1.2em; margin: 14px 0 6px; color: var(--text-primary); }
.markdown-content h3 { font-size: 1.1em; margin: 12px 0 4px; color: var(--text-secondary); }
.markdown-content p { margin: 8px 0; }
.markdown-content ul, .markdown-content ol { margin: 8px 0 8px 20px; }
.markdown-content li { margin: 4px 0; }
.markdown-content code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--mono);
  color: var(--accent);
  border: 1px solid var(--border);
  font-size: 0.9em;
}
.markdown-content pre {
  background: var(--bg-secondary);
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 8px 0;
  border: 1px solid var(--border-light);
}
.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 13px;
}
.markdown-content th, .markdown-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}
.markdown-content th {
  background: var(--bg-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}