Refactor: Replace sidebar with horizontal navigation bar

- Remove sidebar and toggle functionality
- Add Bootstrap navbar with dropdown menus
- Move navigation to top between header and content
- Update menu rendering for Bootstrap dropdowns
- Clean up unused files (header.mustache, sidebar.mustache, sidebar.js)
- Add guide link with book icon in footer
- Simplify layout structure
- Remove duplicate code and fix syntax errors
- Add .gitignore for node_modules and other temp files

public/assets/css/style.css

@@ -0,0 +1,316 @@
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+html, body {
+  height: 100%;
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  display: flex;
+  flex-direction: column;
+  min-height: 100vh;
+}
+
+.main-wrapper {
+  flex: 1;
+  display: flex;
+  position: relative;
+}
+
+.content-wrapper {
+  flex: 1;
+  display: flex;
+  overflow: hidden;
+}
+
+.sidebar {
+  width: 250px;
+  background-color: #f8f9fa;
+  border-right: 1px solid #dee2e6;
+  overflow-y: auto; /* Only sidebar scrolls when needed */
+  flex-shrink: 0;
+  transition: transform 0.3s ease;
+  position: relative;
+  height: 100%;
+  z-index: 999;
+  transform: translateX(0);
+}
+
+.sidebar.collapsed {
+  transform: translateX(-250px);
+}
+
+.sidebar-toggle {
+  position: absolute;
+  top: 15px;
+  right: 15px;
+  z-index: 1001;
+  background: none;
+  border: none;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  font-size: 20px;
+  color: #6c757d;
+  width: 30px;
+  height: 30px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 4px;
+}
+.sidebar-toggle:hover {
+  color: #0d6efd;
+  background-color: #f8f9fa;
+}
+
+.sidebar-toggle-outer {
+  position: relative;
+  z-index: 1001;
+  background-color: rgba(255, 255, 255, 0.2);
+  border: 1px solid rgba(255, 255, 255, 0.3);
+  margin-right: 10px;
+  color: white !important;
+  display: none; /* Hidden by default */
+}
+.sidebar-toggle-outer:hover {
+  background-color: rgba(255, 255, 255, 0.3);
+  color: white !important;
+}
+
+.sidebar.collapsed .sidebar-toggle-inner {
+  right: auto;
+  left: 15px;
+}
+
+.sidebar.collapsed ~ .main-content {
+  margin-left: 0;
+}
+
+body.sidebar-collapsed .sidebar-toggle-outer {
+  display: block !important;
+}
+
+body:not(.sidebar-collapsed) .sidebar-toggle-outer {
+  display: none !important;
+}
+
+/* Override inline styles */
+.sidebar-toggle-outer[style*="display: none"] {
+  display: none !important;
+}
+
+body.sidebar-collapsed .sidebar-toggle-outer[style*="display: none"] {
+  display: block !important;
+}
+
+.main-content {
+  flex: 1;
+  overflow: hidden; /* Main content container doesn't scroll */
+  transition: margin-left 0.3s ease;
+  margin-left: 250px;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.content-inner {
+  flex: 1;
+  overflow-y: auto; /* Only content-inner scrolls when needed */
+  padding: 20px;
+}
+
+.folder-toggle {
+  font-weight: bold;
+  color: #212529 !important;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  padding: 0.5rem 0.75rem;
+  background-color: #f8f9fa !important;
+  margin: 0.125rem 0;
+  transition: background-color 0.2s ease;
+}
+.folder-toggle:hover {
+  background-color: #e9ecef !important;
+}
+.folder-toggle[aria-expanded=true] {
+  background-color: #dee2e6 !important;
+  color: #212529 !important;
+  font-weight: 600;
+}
+.folder-toggle .arrow {
+  margin-right: 8px;
+  transition: transform 0.2s;
+  font-size: 0.8em;
+}
+.folder-toggle[aria-expanded=true] .arrow {
+  transform: rotate(90deg);
+}
+
+.page-link {
+  color: #495057 !important;
+  font-weight: 500;
+  padding: 0.5rem 0.75rem;
+  padding-left: 2rem;
+  background-color: #ffffff !important;
+  margin: 0.125rem 0;
+  transition: background-color 0.2s ease;
+}
+.page-link:hover {
+  color: #212529 !important;
+  background-color: #f8f9fa !important;
+}
+.page-link.active {
+  background-color: rgba(13, 110, 253, 0.1) !important;
+  color: #0d6efd !important;
+  font-weight: 600;
+}
+
+.file-info {
+  font-size: 0.9rem;
+  color: #6c757d;
+  flex: 1;
+  min-width: 0; /* Important for text truncation in flexbox */
+}
+
+.file-info {
+  font-size: 0.9rem;
+  color: #6c757d;
+  flex: 1;
+  min-width: 0; /* Important for text truncation in flexbox */
+}
+
+.file-info i {
+  margin-right: 5px;
+}
+
+.page-title {
+  color: #6c757d;
+  max-width: 250px !important;
+  display: inline-block !important;
+  white-space: nowrap !important;
+  overflow: hidden !important;
+  text-overflow: ellipsis !important;
+  vertical-align: middle;
+  margin-right: 10px;
+}
+
+.page-title:hover {
+  color: #495057;
+  cursor: default;
+}
+
+.file-details {
+  color: #6c757d;
+  font-size: 0.85rem;
+}
+
+.site-info a {
+  color: #0d6efd;
+  text-decoration: none;
+  
+  &:hover {
+    text-decoration: underline;
+  }
+}
+
+.guide-link {
+  color: white !important;
+  text-decoration: none;
+  font-size: 0.9rem;
+  
+  &:hover {
+    color: rgba(255, 255, 255, 0.8) !important;
+    text-decoration: none;
+  }
+  
+  i {
+    font-size: 1rem;
+  }
+}
+
+.site-title-link {
+  color: white !important;
+  text-decoration: none;
+  
+  &:hover {
+    color: rgba(255, 255, 255, 0.8) !important;
+    text-decoration: none;
+  }
+  
+  h1 {
+    margin: 0;
+    transition: color 0.2s ease;
+  }
+}
+
+footer {
+  margin-top: auto; /* Push footer to bottom */
+  flex-shrink: 0;
+}
+.site-info a:hover {
+  text-decoration: underline;
+}
+
+.auto-link {
+  color: #0d6efd;
+  text-decoration: none;
+  border-bottom: 2px dashed #0d6efd;
+  font-weight: 500;
+  transition: all 0.2s ease;
+}
+.auto-link:hover {
+  color: #0a58ca;
+  text-decoration: none;
+  border-bottom-style: solid;
+  border-bottom-color: #0a58ca;
+}
+
+.search-form {
+  max-width: 300px;
+}
+
+.card-title a {
+  text-decoration: none;
+  color: inherit;
+}
+.card-title a:hover {
+  text-decoration: underline;
+}
+
+.folder-disabled {
+  font-weight: 500;
+  color: #6c757d !important;
+  cursor: not-allowed;
+  display: flex;
+  align-items: center;
+  padding: 0.5rem 0.75rem;
+  background-color: #f8f9fa !important;
+  margin: 0.125rem 0;
+  opacity: 0.7;
+}
+.folder-disabled .arrow {
+  margin-right: 8px;
+  font-size: 0.8em;
+  opacity: 0.6;
+}
+
+@media (max-width: 768px) {
+.sidebar {
+  width: 250px;
+  background-color: #f8f9fa;
+  border-right: 1px solid #dee2e6;
+  overflow-y: auto; /* Only sidebar scrolls when needed */
+  flex-shrink: 0;
+  transition: transform 0.3s ease;
+  position: relative;
+  height: 100%;
+  z-index: 999;
+  transform: translateX(0);
+}
+}

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