styles.css

:root {
  --bg-color: #ffffff;
  --editor-bg: #f6f8fa;
  --preview-bg: #ffffff; /* Preview background for light mode */
  --text-color: #24292e;
  --preview-text-color: #24292e; /* Text color for preview in light mode */
  --border-color: #e1e4e8;
  --header-bg: #f6f8fa;
  --button-bg: #f6f8fa;
  --button-hover: #e1e4e8;
  --button-active: #d1d5da;
  --dropzone-bg: rgba(255, 255, 255, 0.8);
  --scrollbar-thumb: #c1c1c1;
  --scrollbar-track: #f1f1f1;
  --accent-color: #0366d6;
  --table-bg: #ffffff; /* Table background for light mode */
  --code-bg: #f6f8fa; /* Code block background for light mode */
}

[data-theme="dark"] {
  --bg-color: #0d1117;
  --editor-bg: #161b22;
  --preview-bg: #0d1117; /* Preview background for dark mode */
  --text-color: #c9d1d9;
  --preview-text-color: #c9d1d9; /* Text color for preview in dark mode */
  --border-color: #30363d;
  --header-bg: #161b22;
  --button-bg: #21262d;
  --button-hover: #30363d;
  --button-active: #3b434b;
  --dropzone-bg: rgba(13, 17, 23, 0.8);
  --scrollbar-thumb: #484f58;
  --scrollbar-track: #21262d;
  --accent-color: #58a6ff;
  --table-bg: #161b22; /* Table background for dark mode */
  --code-bg: #161b22; /* Code block background for dark mode */
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

.app-header {
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
  transition: background-color 0.3s ease;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.editor-pane, .preview-pane {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  position: relative;
  transition: background-color 0.3s ease;
}

.editor-pane {
  background-color: var(--editor-bg);
  border-right: 1px solid var(--border-color);
  padding-right: 0px;
}

.preview-pane {
  background-color: var(--preview-bg); /* Using the new variable for preview background */
}

/* Custom scrollbar */
.editor-pane::-webkit-scrollbar,
.preview-pane::-webkit-scrollbar,
#markdown-editor::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.editor-pane::-webkit-scrollbar-track,
.preview-pane::-webkit-scrollbar-track,
#markdown-editor::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.editor-pane::-webkit-scrollbar-thumb,
.preview-pane::-webkit-scrollbar-thumb,
#markdown-editor::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

.editor-pane::-webkit-scrollbar-thumb:hover,
.preview-pane::-webkit-scrollbar-thumb:hover,
#markdown-editor::-webkit-scrollbar-thumb:hover {
  background: var(--button-active);
}

#markdown-editor {
  width: 100%;
  height: 100%;
  border: none;
  background-color: var(--editor-bg);
  color: var(--text-color);
  resize: none;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 14px;
  line-height: 1.5;
  padding: 10px;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-y: auto;
}

#markdown-editor:focus {
  outline: none;
}

.preview-pane {
  padding: 20px;
}

.markdown-body {
  padding: 20px;
  width: 100%;
  background-color: var(--preview-bg); /* Ensuring the markdown content matches preview background */
  color: var(--preview-text-color); /* Using specific text color for preview content */
}

/* Style tables in light mode */
.markdown-body table {
  background-color: var(--table-bg);
  border-color: var(--border-color);
}

.markdown-body table tr {
  background-color: var(--table-bg);
  border-top: 1px solid var(--border-color);
}

.markdown-body table tr:nth-child(2n) {
  background-color: var(--bg-color);
}

/* Style code blocks in light mode */
.markdown-body pre {
  background-color: var(--code-bg);
  border-radius: 6px;
}

.markdown-body code {
  background-color: var(--code-bg);
  border-radius: 3px;
  padding: 0.2em 0.4em;
}

.toolbar {
  display: flex;
  gap: 8px;
}

.tool-button {
  background-color: var(--button-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.tool-button:hover {
  background-color: var(--button-hover);
}

.tool-button:active {
  background-color: var(--button-active);
}

.tool-button i {
  font-size: 16px;
}

.file-input {
  display: none;
}

.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: var(--dropzone-bg);
}

.dropzone.active {
  border-color: var(--accent-color);
  background-color: rgba(var(--accent-color), 0.05);
}

.dropzone p {
  transition: transform 0.2s ease;
}

.dropzone:hover p {
  transform: scale(1.02);
}

/* Dropdown improvements */
.dropdown-menu {
  background-color: var(--bg-color);
  border-color: var(--border-color);
}

.dropdown-item {
  color: var(--text-color);
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--button-hover);
  color: var(--text-color);
}

/* Responsive design for mobile */
@media (max-width: 1080px) {
  .content-container {
      flex-direction: column;
  }
  
  .editor-pane, .preview-pane {
      flex: none;
      height: 50%;
      border-right: none;
  }
  
  .editor-pane {
      border-bottom: 1px solid var(--border-color);
  }
  
  .toolbar {
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
  }
}

/* Loading indicators */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Focus outline for accessibility */
button:focus, 
a:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Animation for copied message */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Tooltip styles */
.tooltip {
  position: absolute;
  background: var(--button-bg);
  border: 1px solid var(--border-color);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 12px;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

/* Styles for GitHub markdown preview light mode */
.markdown-body {
  color-scheme: light;
  --color-prettylights-syntax-comment: #6a737d;
  --color-prettylights-syntax-constant: #005cc5;
  --color-prettylights-syntax-entity: #6f42c1;
  --color-prettylights-syntax-storage-modifier-import: #24292e;
  --color-prettylights-syntax-entity-tag: #22863a;
  --color-prettylights-syntax-keyword: #d73a49;
  --color-prettylights-syntax-string: #032f62;
  --color-prettylights-syntax-variable: #e36209;
  --color-prettylights-syntax-brackethighlighter-unmatched: #b31d28;
  --color-prettylights-syntax-invalid-illegal-text: #fafbfc;
  --color-prettylights-syntax-invalid-illegal-bg: #b31d28;
  --color-prettylights-syntax-carriage-return-text: #fafbfc;
  --color-prettylights-syntax-carriage-return-bg: #d73a49;
  --color-prettylights-syntax-string-regexp: #22863a;
  --color-prettylights-syntax-markup-list: #735c0f;
  --color-prettylights-syntax-markup-heading: #005cc5;
  --color-prettylights-syntax-markup-italic: #24292e;
  --color-prettylights-syntax-markup-bold: #24292e;
  --color-prettylights-syntax-markup-deleted-text: #b31d28;
  --color-prettylights-syntax-markup-deleted-bg: #ffeef0;
  --color-prettylights-syntax-markup-inserted-text: #22863a;
  --color-prettylights-syntax-markup-inserted-bg: #f0fff4;
  --color-prettylights-syntax-markup-changed-text: #e36209;
  --color-prettylights-syntax-markup-changed-bg: #ffebda;
  --color-prettylights-syntax-markup-ignored-text: #f6f8fa;
  --color-prettylights-syntax-markup-ignored-bg: #005cc5;
  --color-prettylights-syntax-meta-diff-range: #6f42c1;
  --color-prettylights-syntax-brackethighlighter-angle: #586069;
  --color-prettylights-syntax-sublimelinter-gutter-mark: #e1e4e8;
  --color-prettylights-syntax-constant-other-reference-link: #032f62;
  --color-fg-default: #24292e;
  --color-fg-muted: #586069;
  --color-fg-subtle: #6a737d;
  --color-canvas-default: #ffffff;
  --color-canvas-subtle: #f6f8fa;
  --color-border-default: #e1e4e8;
  --color-border-muted: #eaecef;
  --color-neutral-muted: rgba(175,184,193,0.2);
  --color-accent-fg: #0366d6;
  --color-accent-emphasis: #0366d6;
  --color-attention-subtle: #fff5b1;
  --color-danger-fg: #d73a49;
}

/* Styles for GitHub markdown preview dark mode */
[data-theme="dark"] .markdown-body {
  color-scheme: dark;
  --color-prettylights-syntax-comment: #8b949e;
  --color-prettylights-syntax-constant: #79c0ff;
  --color-prettylights-syntax-entity: #d2a8ff;
  --color-prettylights-syntax-storage-modifier-import: #c9d1d9;
  --color-prettylights-syntax-entity-tag: #7ee787;
  --color-prettylights-syntax-keyword: #ff7b72;
  --color-prettylights-syntax-string: #a5d6ff;
  --color-prettylights-syntax-variable: #ffa657;
  --color-prettylights-syntax-brackethighlighter-unmatched: #f85149;
  --color-prettylights-syntax-invalid-illegal-text: #f0f6fc;
  --color-prettylights-syntax-invalid-illegal-bg: #8e1519;
  --color-prettylights-syntax-carriage-return-text: #f0f6fc;
  --color-prettylights-syntax-carriage-return-bg: #b62324;
  --color-prettylights-syntax-string-regexp: #7ee787;
  --color-prettylights-syntax-markup-list: #f2cc60;
  --color-prettylights-syntax-markup-heading: #1f6feb;
  --color-prettylights-syntax-markup-italic: #c9d1d9;
  --color-prettylights-syntax-markup-bold: #c9d1d9;
  --color-prettylights-syntax-markup-deleted-text: #ffdcd7;
  --color-prettylights-syntax-markup-deleted-bg: #67060c;
  --color-prettylights-syntax-markup-inserted-text: #aff5b4;
  --color-prettylights-syntax-markup-inserted-bg: #033a16;
  --color-prettylights-syntax-markup-changed-text: #ffdfb6;
  --color-prettylights-syntax-markup-changed-bg: #5a1e02;
  --color-prettylights-syntax-markup-ignored-text: #c9d1d9;
  --color-prettylights-syntax-markup-ignored-bg: #1158c7;
  --color-prettylights-syntax-meta-diff-range: #d2a8ff;
  --color-prettylights-syntax-brackethighlighter-angle: #8b949e;
  --color-prettylights-syntax-sublimelinter-gutter-mark: #484f58;
  --color-prettylights-syntax-constant-other-reference-link: #a5d6ff;
  --color-fg-default: #c9d1d9;
  --color-fg-muted: #8b949e;
  --color-fg-subtle: #484f58;
  --color-canvas-default: #0d1117;
  --color-canvas-subtle: #161b22;
  --color-border-default: #30363d;
  --color-border-muted: #21262d;
  --color-neutral-muted: rgba(110,118,129,0.4);
  --color-accent-fg: #58a6ff;
  --color-accent-emphasis: #1f6feb;
  --color-attention-subtle: rgba(187,128,9,0.15);
  --color-danger-fg: #f85149;
}

/* Override specific styles for dark mode tables and code */
[data-theme="dark"] .markdown-body table tr {
  background-color: var(--table-bg);
}

[data-theme="dark"] .markdown-body table tr:nth-child(2n) {
  background-color: #1c2128; /* Slightly lighter than base dark background */
}

[data-theme="dark"] .markdown-body pre {
  background-color: var(--code-bg);
}

[data-theme="dark"] .markdown-body code {
  background-color: var(--code-bg);
}

[data-theme="dark"] .hljs {
  color: #e8eaed;
}

.stats-container {
  font-size: 0.9rem;
  color: var(--text-color);
}

.stat-item {
  align-items: center;
}

.stat-item i {
  font-size: 1rem;
  opacity: 0.8;
}

.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: var(--dropzone-bg);
  position: relative;
}

.dropzone.active {
  border-color: var(--accent-color);
  background-color: rgba(var(--accent-color), 0.05);
}

.dropzone p {
  transition: transform 0.2s ease;
}

.dropzone:hover {
  border: var(--accent-color) 2px dashed;
}

.dropzone:hover p {
  transform: scale(1.02);
}

.close-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  opacity: 0.6;
  transition: all 0.2s ease;
  background-color: var(--button-bg);
  border: 1px solid var(--border-color);
}

.close-btn:hover {
  opacity: 1;
  background-color: var(--color-danger-fg);
}

.editor-pane {
  overflow: hidden;
}

/* Mobile Menu Styles */
.mobile-menu {
  display: none;
  position: relative;
  z-index: 1001;
}

@media (max-width: 1080px) {
  .mobile-menu {
    display: block;
  }
}

/* slide‑in panel */
.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background-color: var(--bg-color);
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  z-index: 1002;
}

.mobile-menu-panel.active {
  right: 0;
}

/* translucent overlay behind panel */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 1000;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
  visibility: visible;
}

/* header inside mobile menu */
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.mobile-menu-header h5 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--text-color);
}

/* stats section in mobile menu */
.mobile-stats-container {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.mobile-stats-container .stat-item {
  font-size: 0.9rem;
  color: var(--text-color);
  display: flex;
  align-items: center;
}

.mobile-stats-container .stat-item i {
  margin-right: 0.5em;
  opacity: 0.8;
}

/* menu buttons list */
.mobile-menu-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

/* each menu item */
.mobile-menu-item {
  background-color: var(--button-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.mobile-menu-item:hover {
  background-color: var(--button-hover);
}

.mobile-menu-item:active {
  background-color: var(--button-active);
}

/* close button override */
#close-mobile-menu.tool-button {
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
}

/* ensure dropzone doesn’t cover menu */
.mobile-menu-panel .dropzone {
  margin-bottom: 0;
}

/* hide desktop-only stats and toolbar on mobile */
@media (max-width: 767px) {
  .stats-container.d-none.d-md-flex,
  .toolbar.d-none.d-md-flex {
    display: none !important;
  }
}

.github-link {
  color: var(--text-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
  margin-right: 2rem;
}

.github-link:hover {
  color: var(--accent-color);
  transform: scale(1.1);
}

.github-link i {
  font-size: 1.5rem;
}