:root {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --text-color: #1f2937;
  --text-muted: #6b7280;
  --bg-color: #ffffff;
  --bg-sidebar: #f9fafb;
  --bg-code: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --base-font-size: 16px;
  --header-height: 60px;
  --sidebar-width: 280px;
  --transition-speed: 0.2s;
}

/* Dark mode variables */
.dark-mode {
  --primary-color: #60a5fa;
  --primary-hover: #93c5fd;
  --text-color: #e5e7eb;
  --text-muted: #9ca3af;
  --bg-color: #111827;
  --bg-sidebar: #1f2937;
  --bg-code: #1f2937;
  --border-color: #374151;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3),
    0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3),
    0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

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

html {
  font-size: var(--base-font-size);
}

body {
  font-family: var(--font-sans);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  transition: background-color var(--transition-speed);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Documentation Layout */
.documentation-layout {
  display: flex;
  flex: 1;
  height: calc(100vh - 50px); /* Adjust for footer */
}

/* Sidebar Styles */
.sidebar-container {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--transition-speed);
}

.sidebar-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.125rem;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-speed);
}

.sidebar-toggle:hover {
  background-color: var(--border-color);
  color: var(--text-color);
}

.sidebar-popout {
  display: none;
  position: fixed;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  background-color: var(--text-muted);
  color: white;
  border: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 0.5rem;
  cursor: pointer;
  z-index: 1000;
  transition: background-color var(--transition-speed);
}

.sidebar-popout:hover {
  background-color: var(--border-color);
  color: var(--text-color);
}

.sidebar-collapsed .sidebar-popout {
  display: block;
}

.sidebar-search {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-wrapper i {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
}

#search-docs {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 0.875rem;
}

#search-docs:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.nav-list {
  list-style: none;
}

.nav-folder,
.nav-file {
  margin-bottom: 0.25rem;
}

.folder-toggle {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 0.875rem;
  padding: 0.5rem;
  width: 100%;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-speed);
}

.folder-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .folder-toggle:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.folder-icon {
  margin-right: 0.5rem;
  font-size: 0.75rem;
  transition: transform var(--transition-speed);
}

.folder-name {
  font-weight: 500;
}

.folder-children {
  margin-left: 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed);
}

.nav-folder.expanded > .folder-children {
  max-height: 1000px; /* Arbitrary large height */
  transition: max-height 0.5s ease-in-out;
}

.file-link {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.5rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-speed),
    color var(--transition-speed);
}

.file-link:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-color);
}

.dark-mode .file-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.file-link.active {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--primary-color);
  font-weight: 500;
}

.dark-mode .file-link.active {
  background-color: rgba(96, 165, 250, 0.2);
}

.file-icon {
  margin-right: 0.5rem;
  font-size: 0.75rem;
}

/* Content Area Styles */
.content-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content-header {
  height: var(--header-height);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb i {
  margin: 0 0.5rem;
  font-size: 0.625rem;
}

#current-page {
  color: var(--text-color);
  font-weight: 500;
}

.content-actions {
  display: flex;
  gap: 0.5rem;
}

.icon-button {
  background: none;
  border: none;
  color: var(--text-muted);
  width: 2rem;
  height: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-speed),
    color var(--transition-speed);
}

.icon-button:hover {
  background-color: var(--border-color);
  color: var(--text-color);
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 2rem 1.5rem;
}

.markdown-content {
  max-width: 48rem;
  margin: 0 auto;
}

.content-with-toc {
  display: flex;
  max-width: 64rem;
  margin: 0 auto;
  gap: 2rem;
}

.table-of-contents {
  position: sticky;
  top: 2rem;
  width: 14rem;
  flex-shrink: 0;
  font-size: 0.875rem;
  align-self: flex-start;
}

.table-of-contents h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.table-of-contents ul {
  list-style: none;
  padding-left: 0;
}

.table-of-contents li {
  margin-bottom: 0.5rem;
}

.table-of-contents a {
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  padding: 0.25rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: border-color var(--transition-speed),
    color var(--transition-speed);
}

.table-of-contents a:hover {
  color: var(--primary-color);
  border-left-color: var(--primary-color);
}

.toc-level-h3 {
  padding-left: 1rem;
}

/* Markdown Content Styles */
.markdown-content h1 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  position: relative;
}

.markdown-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.3;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.markdown-content h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  position: relative;
}

.markdown-content h4 {
  font-size: 1.125rem;
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  position: relative;
}

.markdown-content p {
  margin-bottom: 1.25rem;
}

.markdown-content a {
  color: var(--primary-color);
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

.markdown-content ul,
.markdown-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

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

.markdown-content blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 1.5rem 0;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

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

.header-anchor {
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.875rem;
  color: var(--border-color);
  padding: 0.25rem;
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.markdown-content h1:hover .header-anchor,
.markdown-content h2:hover .header-anchor,
.markdown-content h3:hover .header-anchor,
.markdown-content h4:hover .header-anchor {
  opacity: 1;
}

/* Code Block Styles */
.code-block-wrapper {
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.dark-mode .code-block-header {
  background-color: rgba(0, 0, 0, 0.2);
}

.code-language {
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-muted);
}

.copy-code-button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-speed),
    color var(--transition-speed);
}

.copy-code-button:hover {
  background-color: rgba(0, 0, 0, 0.1);
  color: var(--text-color);
}

.dark-mode .copy-code-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.markdown-content pre {
  margin: 0;
  padding: 1rem;
  background-color: var(--bg-code);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.markdown-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--bg-code);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

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

/* Table Styles */
.table-responsive {
  overflow-x: auto;
  margin: 1.5rem 0;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.markdown-content th {
  text-align: left;
  padding: 0.75rem 1rem;
  background-color: rgba(0, 0, 0, 0.02);
  border-bottom: 2px solid var(--border-color);
  font-weight: 600;
}

.dark-mode .markdown-content th {
  background-color: rgba(255, 255, 255, 0.05);
}

.markdown-content td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.markdown-content tr:last-child td {
  border-bottom: none;
}

/* Content Footer */
.content-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navigation-buttons {
  display: flex;
  gap: 0.5rem;
}

.nav-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-color);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.nav-button:hover:not([disabled]) {
  background-color: var(--primary-color);
  color: white;
}

.nav-button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.page-meta a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-meta a:hover {
  text-decoration: underline;
}

/* Footer */
.main-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 64rem;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Syntax Highlighting */
.keyword {
  color: #7c3aed; /* Purple */
}

.dark-mode .keyword {
  color: #c4b5fd;
}

.literal {
  color: #ef4444; /* Red */
}

.dark-mode .literal {
  color: #fca5a5;
}

.string {
  color: #059669; /* Green */
}

.dark-mode .string {
  color: #6ee7b7;
}

.comment {
  color: #9ca3af; /* Gray */
  font-style: italic;
}

/* Responsive Layout */
@media (max-width: 1024px) {
  .content-with-toc {
    flex-direction: column;
  }

  .table-of-contents {
    position: static;
    width: 100%;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
  }

  .table-of-contents ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
  }

  .table-of-contents a {
    border-left: none;
    padding-left: 0;
  }

  .toc-level-h3 {
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  .sidebar-container {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 10;
    box-shadow: var(--shadow-lg);
  }

  .sidebar-collapsed .sidebar-container {
    width: 0;
    border-right: none;
  }

  .content-header {
    padding: 0 1rem;
  }

  .navigation-buttons {
    flex-direction: column;
  }
}

/* Skeleton Loading */
.skeleton-loader {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: pulse 1.5s infinite ease-in-out;
}

.skeleton-item {
  height: 1rem;
  background-color: var(--border-color);
  border-radius: var(--radius-sm);
}

.skeleton-item:first-child {
  width: 80%;
}

.skeleton-item:nth-child(2) {
  width: 70%;
}

.skeleton-item:nth-child(3) {
  width: 75%;
}

.skeleton-item:nth-child(4) {
  width: 85%;
}

.skeleton-item:nth-child(5) {
  width: 65%;
}

.skeleton-title {
  height: 2rem;
  width: 60%;
  background-color: var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.skeleton-subtitle {
  height: 1.5rem;
  width: 40%;
  background-color: var(--border-color);
  border-radius: var(--radius-sm);
  margin: 1rem 0 0.5rem;
}

.skeleton-line {
  height: 1rem;
  background-color: var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.skeleton-line:nth-child(2) {
  width: 95%;
}

.skeleton-line:nth-child(3) {
  width: 90%;
}

.skeleton-line:nth-child(4) {
  width: 98%;
}

.skeleton-line:nth-child(odd) {
  width: 100%;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Error Container */
.error-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
  color: #ef4444; /* Red */
}

.error-container i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.error-container h2 {
  margin-bottom: 0.75rem;
}

.error-container button {
  margin-top: 1.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-speed);
}

.error-container button:hover {
  background-color: var(--primary-hover);
}

/* Sidebar collapsed state */
.sidebar-collapsed .sidebar-container {
  width: 0;
  opacity: 0;
}

.sidebar-collapsed .content-container {
  margin-left: 0;
}

/* Code Block Language Tags */
code[class*="language-"],
pre[class*="language-"] {
  color: var(--text-color);
}

/* Print styles */
@media print {
  .sidebar-container,
  .content-header,
  .content-footer,
  .main-footer {
    display: none;
  }

  .documentation-layout {
    display: block;
    height: auto;
  }

  .content {
    overflow: visible;
    padding: 0;
  }

  .markdown-content {
    max-width: none;
  }

  .content-with-toc {
    display: block;
    max-width: none;
  }

  .table-of-contents {
    display: none;
  }
}