/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #ccff00; /* Neon Lime / Volt */
  --color-primary-dark: #aadd00;
  --color-text: #ededed;
  --color-text-light: #a1a1aa;
  --color-bg: #0a0a0a; /* Very dark grey/black */
  --color-bg-light: #111111;
  --color-border: #333333;
  --color-code-bg: #1a1a1a;
  --color-code-text: #ededed;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --max-width: 900px;
  --border-radius: 0.5rem;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

/* App layout */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: var(--color-bg-light);
  color: var(--color-text);
  padding: 2rem;
  padding-top: calc(60px + 2rem); /* Account for fixed navbar */
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-shadow: 0 0 15px rgba(204, 255, 0, 0.15);
}

.tagline {
  font-size: 1.1rem;
  opacity: 0.95;
  font-weight: 300;
  color: var(--color-text-light);
}

/* Navigation */
.navigation {
  display: flex;
  gap: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1rem;
  overflow-x: auto;
  justify-content: center;
}

.nav-button {
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-text-light);
  transition: all 0.2s;
  white-space: nowrap;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-size: 0.9rem;
}

.nav-button:hover {
  color: var(--color-primary);
  text-shadow: 0 0 8px rgba(204, 255, 0, 0.3);
}

.nav-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Main content */
.main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
}

/* Markdown viewer */
.markdown-viewer {
  min-height: 400px;
}

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-light);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: 0 0 10px rgba(204, 255, 0, 0.2);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading p {
  margin: 0;
  font-size: 1rem;
}

.error {
  background: rgba(255, 0, 0, 0.1);
  color: #ff4444;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid #ff4444;
  margin: 1rem 0;
  line-height: 1.6;
}

.error code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.9em;
  color: #ffaaaa;
}

.markdown-content {
  max-width: 100%;
}

/* Markdown content styles */
.markdown-content h1 {
  font-size: 2.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.markdown-content h2 {
  font-size: 1.8rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.markdown-content h3 {
  font-size: 1.4rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.markdown-content p {
  margin-bottom: 1.2rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

.markdown-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.markdown-content ul,
.markdown-content ol {
  margin-bottom: 1.2rem;
  padding-left: 2rem;
  color: var(--color-text-light);
}

.markdown-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.markdown-content code {
  background: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9em;
  color: var(--color-primary);
}

.markdown-content pre {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.markdown-content pre code {
  background: none;
  padding: 0;
  color: var(--color-code-text);
  font-size: 0.9rem;
  display: block;
}

.markdown-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--color-text-light);
  font-style: italic;
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.markdown-content a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.markdown-content a:hover {
  border-bottom-color: var(--color-primary);
}

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

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

.markdown-content th {
  background: var(--color-bg-light);
  font-weight: 600;
  color: var(--color-primary);
}

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* Footer */
.footer {
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-light);
  margin-top: auto;
}

.footer a {
  color: var(--color-text);
  text-decoration: none;
  margin: 0 0.5rem;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .main {
    padding: 1rem;
  }

  .navigation {
    padding: 0 0.5rem;
    justify-content: flex-start;
  }

  .nav-button {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
  }

  .markdown-content h1 {
    font-size: 2rem;
  }

  .markdown-content h2 {
    font-size: 1.5rem;
  }
}

/* Docs Layout with Sidebar */
.docs-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - 300px);
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--color-bg-light);
  border-right: 1px solid var(--color-border);
  padding: 2rem 0;
}

.sidebar-content {
  padding: 0 1.5rem;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
  padding: 0 0.75rem;
}

.sidebar-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-links li {
  margin: 0;
}

.sidebar-links a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s;
  font-size: 0.95rem;
}

.sidebar-links a:hover {
  background: rgba(204, 255, 0, 0.05);
  color: var(--color-text);
}

.sidebar-links a.active {
  background: rgba(204, 255, 0, 0.1);
  color: var(--color-primary);
  font-weight: 500;
}

/* Adjust main content for sidebar layout */
.docs-layout .main {
  max-width: 900px;
  padding: 2rem 3rem;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    max-height: 400px;
  }
  
  .docs-layout .main {
    padding: 2rem 1rem;
  }
}