:root {
  --bg-root: #1e1e1e;
  --bg-sidebar: #252526;
  --bg-header: #2d2d2d;
  --fg-primary: #cccccc;
  --fg-secondary: #858585;
  --accent: #007acc;
  --accent-hover: #005a9e;
  --border: #3e3e42;
  --hover-bg: #2a2d2e;
  --selection-bg: #37373d;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-code: 'JetBrains Mono', monospace;
  --line-height: 21px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg-root);
  color: var(--fg-primary);
  font-family: var(--font-ui);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
#sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 10px 15px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--fg-secondary);
  letter-spacing: 0.5px;
}

#fileList,
#recentList {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow: auto;
  /* Allow both vertical and horizontal scrolling */
  flex: 1;
}

#recentList {
  flex: 0 0 auto;
  max-height: 200px;
  border-top: 1px solid var(--border);
}

.folder-item {
  /* padding: 6px 12px; handled by folder-content */
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--fg-primary);
  user-select: none;
  transition: background-color 0.15s ease;
  white-space: nowrap;
}

.folder-item:hover {
  background-color: var(--hover-bg);
}

.folder-icon {
  font-size: 10px;
  width: 14px;
  display: inline-block;
  color: var(--fg-secondary);
  flex-shrink: 0;
  margin-right: 4px;
}

.folder-content {
  white-space: nowrap;
  min-width: max-content;
}

.file-item {
  padding: 6px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--fg-primary);
  transition: background-color 0.15s ease;
  white-space: nowrap;
  min-width: max-content;
}

.file-item:hover {
  background-color: var(--hover-bg);
}

.file-item.active {
  background-color: var(--selection-bg);
  color: #fff;
  border-left: 3px solid var(--accent);
}

.empty-msg {
  padding: 20px;
  text-align: center;
  color: var(--fg-secondary);
  font-size: 12px;
  font-style: italic;
}

.tree-children {
  list-style: none;
  padding: 0;
  margin: 0;
  padding-left: 16px;
  display: none;
  /* Hidden by default, toggled by JS */
}

.tree-children.expanded {
  display: block;
}

/* Main Area */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#toolbar {
  height: 45px;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 15px;
  gap: 12px;
}

.btn {
  background: #3c3c3c;
  border: 1px solid transparent;
  color: #fff;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-ui);
  transition: background 0.2s;
}

.btn:hover {
  background-color: #4c4c4c;
}

.btn-primary {
  background-color: var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn.active {
  background-color: rgba(0, 122, 204, 0.2);
  border-color: var(--accent);
  color: var(--accent);
}

#searchBar {
  background-color: #3c3c3c;
  border: 1px solid transparent;
  color: #cccccc;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12px;
  width: 200px;
  font-family: var(--font-ui);
}

#searchBar:focus {
  outline: none;
  border-color: var(--accent);
  background-color: #252526;
}

#fileInfo {
  font-size: 12px;
  color: var(--fg-secondary);
  margin-left: auto;
  margin-right: 10px;
}

/* Editor */
#editorContainer {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
  background-color: var(--bg-root);
}

#editor {
  flex: 1;
  height: 100%;
  width: 100%;
}

/* CodeMirror Editor overrides */
.CodeMirror {
  font-family: var(--font-code) !important;
  height: 100% !important;
  background-color: var(--bg-root) !important;
  color: var(--text) !important;
}

.CodeMirror-gutters {
  background-color: var(--bg-root) !important;
  border-right: 1px solid var(--border) !important;
}

.CodeMirror-linenumber {
  color: #6e7681 !important;
}

.CodeMirror-cursor {
  border-left-color: var(--text) !important;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #424242;
  border: 3px solid transparent;
  background-clip: content-box;
  border-radius: 9px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #4f4f4f;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

/* Drag Overlay */
#dragOverlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 24px;
  font-weight: 500;
  z-index: 100;
  pointer-events: none;
  backdrop-filter: blur(2px);
}

body.dragging #dragOverlay {
  display: flex;
}

/* Save button pulse animation */
.btn-primary.unsaved {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

/* Log file syntax highlighting */
.ace_constant.ace_language.ace_fatal {
  color: #ff6b9d !important;
  font-weight: 700 !important;
  text-decoration: underline !important;
}

.ace_constant.ace_language.ace_error {
  color: #f48771 !important;
  font-weight: 700 !important;
}

.ace_constant.ace_language.ace_warning {
  color: #dcdcaa !important;
  font-weight: 600 !important;
}

.ace_constant.ace_language.ace_info {
  color: #569cd6 !important;
  font-weight: 600 !important;
}

.ace_constant.ace_language.ace_debug {
  color: #4ec9b0 !important;
  font-weight: 500 !important;
}

.ace_constant.ace_language.ace_verbose {
  color: #858585 !important;
  font-weight: 500 !important;
}

.ace_constant.ace_language.ace_success {
  color: #4caf50 !important;
  font-weight: 600 !important;
}

.ace_constant.ace_numeric.ace_timestamp {
  color: #b5cea8 !important;
}

.ace_variable.ace_parameter {
  color: #c586c0 !important;
}

.ace_comment.ace_line.ace_exception {
  color: #ce9178 !important;
  font-style: italic !important;
}

.ace_string.ace_url {
  color: #3794ff !important;
  text-decoration: underline !important;
}

.ace_constant.ace_numeric.ace_ip {
  color: #b5cea8 !important;
}

.ace_constant.ace_language.ace_boolean.ace_true {
  color: #4caf50 !important;
  font-weight: 600 !important;
}

.ace_constant.ace_language.ace_boolean.ace_false {
  color: #ff9800 !important;
  font-weight: 600 !important;
}

.ace_constant.ace_language.ace_null {
  color: #858585 !important;
  font-weight: 500 !important;
  font-style: italic !important;
}

/* Dropdown Styles */
.dropdown {
  position: relative;
  display: inline-block;
}

.btn-icon {
  padding: 6px 10px;
  font-size: 18px;
  line-height: 1;
  min-width: auto;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--bg-header);
  min-width: 180px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  border: 1px solid var(--border);
  border-radius: 4px;
  top: 100%;
  right: 0;
  margin-top: 8px;
}

.dropdown-content.show {
  display: block;
}

.dropdown-content a {
  color: var(--fg-primary);
  padding: 10px 16px;
  text-decoration: none;
  display: block;
  font-size: 13px;
  transition: background-color 0.2s;
}

.dropdown-content a:hover {
  background-color: var(--hover-bg);
}

/* Settings Controls */
.setting-item {
  padding: 12px 16px;
  color: var(--fg-primary);
  font-size: 13px;
}

.setting-item label {
  display: block;
  margin-bottom: 8px;
  color: var(--fg-secondary);
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
}

.font-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  gap: 8px;
}

.btn-small {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border);
  color: var(--fg-primary);
  padding: 2px 10px;
  font-size: 14px;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.2s;
  font-weight: bold;
  line-height: 1;
}

.btn-small:hover {
  background-color: var(--hover-bg);
}

#fontSizeDisplay {
  font-family: var(--font-code);
  font-size: 12px;
  min-width: 40px;
  text-align: center;
}

/* Editor */
#editorContainer {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
  background-color: var(--bg-root);
}

#editor {
  flex: 1;
  height: 100%;
  width: 100%;
}

/* Dropdown Styles */
.dropdown {
  position: relative;
  display: inline-block;
}

.btn-icon {
  padding: 6px 10px;
  font-size: 18px;
  line-height: 1;
  min-width: auto;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--bg-header);
  min-width: 180px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  border: 1px solid var(--border);
  border-radius: 4px;
  top: 100%;
  right: 0;
  margin-top: 8px;
}

.dropdown-content.show {
  display: block;
}

.dropdown-content a {
  color: var(--fg-primary);
  padding: 10px 16px;
  text-decoration: none;
  display: block;
  font-size: 13px;
  transition: background-color 0.2s;
}

.dropdown-content a:hover {
  background-color: var(--hover-bg);
}

/* Settings Controls */
.setting-item {
  padding: 12px 16px;
  color: var(--fg-primary);
  font-size: 13px;
}

.setting-item label {
  display: block;
  margin-bottom: 8px;
  color: var(--fg-secondary);
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
}

.font-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  gap: 8px;
}

.btn-small {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border);
  color: var(--fg-primary);
  padding: 2px 10px;
  font-size: 14px;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.2s;
  font-weight: bold;
  line-height: 1;
}

.btn-small:hover {
  background-color: var(--hover-bg);
}

#fontSizeDisplay {
  font-family: var(--font-code);
  font-size: 12px;
  min-width: 40px;
  text-align: center;
}

/* Editor */
#editorContainer {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
  background-color: var(--bg-root);
}

#editor {
  flex: 1;
  height: 100%;
  width: 100%;
}

/* Resizer */
#resizer {
  width: 5px;
  background-color: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background-color 0.2s;
}

#resizer:hover {
  background-color: var(--accent);
}

/* Boolean and null value highlighting - applies to ALL file formats */
.ace_boolean.ace_true {
  color: #4caf50 !important;
  font-weight: 600 !important;
}

.ace_boolean.ace_false {
  color: #ff9800 !important;
  font-weight: 600 !important;
}

.ace_null {
  color: #858585 !important;
  font-weight: 500 !important;
  font-style: italic !important;
}

/* Fix for JSON keys appearing green */
.ace_string {
  color: #ce9178 !important;
}

.ace_variable {
  color: #9cdcfe !important;
}

/* Tree View Styles */
.tree-children {
  display: none;
  list-style: none;
  padding-left: 16px;
  margin: 0;
}

.tree-children.expanded {
  display: block;
}

/* Context Menu */
.context-menu {
  position: fixed;
  background: var(--bg-header);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: none;
  min-width: 150px;
}

.context-menu-item {
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--fg-primary);
  transition: background-color 0.2s;
}

.context-menu-item:hover {
  background: var(--hover-bg);
}

.context-menu-item:first-child {
  border-radius: 4px 4px 0 0;
}

.context-menu-item:last-child {
  border-radius: 0 0 4px 4px;
}

/* Context Menu Separator */
.context-menu-separator {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* Danger menu item (delete) */
.context-menu-item-danger {
  color: #f48771 !important;
}

.context-menu-item-danger:hover {
  background: rgba(244, 135, 113, 0.1) !important;
}