:root {
  --bg-color: #0d1117;
  --text-color: #e6edf3;
  --heading-color: #f0f6fc;
  --code-bg: #161b22;
  --code-color: #e6edf3;
  --code-border: #30363d;
  --quote-bg: #0d1117;
  --quote-border: #656d76;
  --quote-text: #8b949e;
  --link-color: #2f81f7;
  --link-hover: #58a6ff;
  --button-bg: #21262d;
  --button-color: #f0f6fc;
  --button-hover: #30363d;
  --border-color: #30363d;
  --table-border: #30363d;
  --table-header-bg: #161b22;
  --table-row-bg: #0d1117;
  --table-row-hover: #161b22;
  --hr-color: #30363d;
  --selection-bg: #264f78;
  --selection-fg: #0d1117;
  --editor-bg: #0d1117;
  --scrollbar-thumb: #30363d;
  --scrollbar-track: #161b22;
}

[data-theme="light"] {
  --bg-color: #ffffff;
  --text-color: #1f2328;
  --heading-color: #1f2328;
  --code-bg: #f6f8fa;
  --code-color: #1f2328;
  --code-border: #d1d9e0;
  --quote-bg: #f6f8fa;
  --quote-border: #d1d9e0;
  --quote-text: #656d76;
  --link-color: #0969da;
  --link-hover: #0550ae;
  --button-bg: #f6f8fa;
  --button-color: #1f2328;
  --button-hover: #f3f4f6;
  --border-color: #d1d9e0;
  --table-border: #d1d9e0;
  --table-header-bg: #f6f8fa;
  --table-row-bg: #ffffff;
  --table-row-hover: #f6f8fa;
  --hr-color: #d1d9e0;
  --selection-bg: #0969da20;
  --selection-fg: #ffffff;
  --editor-bg: #ffffff;
  --scrollbar-thumb: #d1d9e0;
  --scrollbar-track: #f6f8fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 16px;
  line-height: 1.5;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
  height: 100vh;
}

::selection {
  background: var(--selection-bg);
}

.container {
  display: flex;
  height: 100vh;
  position: relative;
}

.editor-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
}

.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
}

.panel-header {
  padding: 12px 16px;
  background-color: var(--code-bg);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 14px;
  color: var(--heading-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* same work as that of the pre */
form {
  margin: 0;
  padding: 0;
  display: contents;
}

#editor-textarea {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px;
  font-family:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
  font-size: 14px;
  line-height: 1;
  background-color: var(--editor-bg);
  color: var(--text-color);
  resize: none;
  tab-size: 4;
}

#editor-textarea::placeholder {
  color: var(--quote-text);
}

#preview-area {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background-color: var(--bg-color);
  white-space: pre-wrap;
  /* This preserves line breaks but allows wrapping */
}

/* Scrollbar styles */
#editor-textarea::-webkit-scrollbar,
#preview-area::-webkit-scrollbar {
  width: 8px;
}

#editor-textarea::-webkit-scrollbar-track,
#preview-area::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

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

#editor-textarea::-webkit-scrollbar-thumb:hover,
#preview-area::-webkit-scrollbar-thumb:hover {
  background: var(--border-color);
}

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--button-bg);
  color: var(--button-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 40px;
  height: 40px;
  font-size: 16px;
  cursor: pointer;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.24);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.theme-toggle:hover {
  background: var(--button-hover);
  box-shadow:
    0 3px 6px rgba(0, 0, 0, 0.16),
    0 3px 6px rgba(0, 0, 0, 0.23);
}

.theme-toggle:active {
  transform: scale(0.95);
}

#vim-toggle {
  position: fixed;
  top: 20px;
  right: 52%;
  background: var(--button-bg);
  color: var(--button-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 40px;
  height: 40px;
  font-size: 16px;
  cursor: pointer;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.24);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

#vim-toggle:hover {
  background: var(--button-hover);
  box-shadow:
    0 3px 6px rgba(0, 0, 0, 0.16),
    0 3px 6px rgba(0, 0, 0, 0.23);
}

#vim-toggle:active {
  transform: scale(0.95);
}

/* Preview content styles - same as your original */
#preview-area h1,
#preview-area h2,
#preview-area h3,
#preview-area h4,
#preview-area h5,
#preview-area h6 {
  margin-top: 10px;
  margin-bottom: -10px;
  font-weight: 600;
  line-height: 1;
  color: var(--heading-color);
}

#preview-area h1 {
  font-size: 2em;
  border-bottom: 1px solid var(--border-color);
}

#preview-area h2 {
  font-size: 1.5em;
  border-bottom: 1px solid var(--border-color);
}

#preview-area h3 {
  font-size: 1.25em;
}

#preview-area h4 {
  font-size: 1em;
}

#preview-area h5 {
  font-size: 0.875em;
}

#preview-area h6 {
  font-size: 0.85em;
  color: var(--quote-text);
}

#preview-area p {
  margin-top: 0;
  margin-bottom: 10px;
}

#preview-area code {
  background: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: 6px;
  font-family:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
  font-size: 85%;
  color: var(--code-color);
  border: 1px solid var(--code-border);
}

#preview-area pre {
  background: var(--code-bg);
  padding: 16px;
  overflow: auto;
  border-radius: 6px;
  color: var(--code-color);
  border: 1px solid var(--code-border);
  margin-top: 0;
  margin-bottom: 10px;
  font-family:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
  font-size: 85%;
  line-height: 1.5;
}

#preview-area pre code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 100%;
  color: inherit;
}

#preview-area blockquote {
  border-left: 4px solid var(--quote-border);
  padding: 0 12px;
  margin: 0 0 10px 0;
  color: var(--quote-text);
  background-color: var(--quote-bg);
  border-radius: 0 6px 6px 0;
  line-height: 1.5;
}

#preview-area blockquote > :first-child {
  margin-top: 0;
}

#preview-area blockquote > :last-child {
  margin-bottom: 0;
}

#preview-area a {
  color: var(--link-color);
  text-decoration: none;
}

#preview-area a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

#preview-area ul,
#preview-area ol {
  padding-left: 2em;
  margin-top: 0;
  margin-bottom: 4px;
  line-height: 1;
}

#preview-area li + li {
  margin-top: 0.25em;
}

#preview-area table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
  margin-top: 0;
  margin-bottom: 16px;
}

#preview-area th,
#preview-area td {
  padding: 6px 13px;
  border: 1px solid var(--table-border);
  text-align: left;
}

#preview-area th {
  background-color: var(--table-header-bg);
  font-weight: 600;
}

#preview-area tr {
  background-color: var(--table-row-bg);
}

#preview-area tr:nth-child(2n) {
  background-color: var(--table-row-hover);
}

#preview-area hr {
  height: 0.25em;
  padding: 0;
  margin: 10px 0;
  background-color: var(--hr-color);
  border: 0;
  border-radius: 2px;
}

#preview-area img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

#preview-area strong {
  font-weight: 600;
}

#preview-area em {
  font-style: italic;
}

#preview-area kbd {
  background-color: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 var(--code-border);
  color: var(--code-color);
  display: inline-block;
  font-family:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
  font-size: 11px;
  line-height: 1.5;
  padding: 3px 5px;
  vertical-align: middle;
}

/* Resize handle */
.resize-handle {
  width: 4px;
  background: var(--border-color);
  /* cursor: col-resize; */
  /* not using it for now  */
  position: relative;
  transition: background-color 0.2s ease;
}

.cm-s-mytheme.CodeMirror {
  background-color: var(--editor-bg);
  color: var(--text-color);
  font-family:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
  font-size: 14px;
  line-height: 1.5;
  height: 100%;
}

.cm-s-mytheme .CodeMirror-lines {
  padding: 16px;
}

.cm-s-mytheme .CodeMirror-cursor {
  border-left: 1px solid var(--link-color);
}

.cm-s-mytheme .CodeMirror-selected {
  background-color: var(--selection-bg);
  color: var(--selection-fg);
}

.cm-s-mytheme .CodeMirror-line::selection,
.cm-s-mytheme .CodeMirror-line > span::selection,
.cm-s-mytheme .CodeMirror-line > span > span::selection {
  background: var(--selection-bg);
  color: var(--selection-fg);
}

.cm-s-mytheme .CodeMirror-gutters {
  background-color: var(--code-bg);
  color: var(--quote-text);
  border-right: 1px solid var(--border-color);
}

.cm-s-mytheme .CodeMirror-linenumber {
  color: var(--quote-text);
}

.cm-s-mytheme .CodeMirror-matchingbracket {
  outline: 1px solid var(--link-color);
  color: inherit;
}

/* Optional: Match markdown syntax colors */
.cm-s-mytheme span.cm-header {
  color: var(--heading-color);
  font-weight: bold;
}

.cm-s-mytheme span.cm-link {
  color: var(--link-color);
  text-decoration: underline;
}

.cm-s-mytheme span.cm-quote {
  color: var(--quote-text);
  font-style: italic;
}

.cm-s-mytheme span.cm-strong {
  font-weight: bold;
}

.cm-s-mytheme span.cm-em {
  font-style: italic;
}

.cm-s-mytheme span.cm-comment {
  color: #8b949e;
  font-style: italic;
}

/* Scrollbar matching your theme */
.cm-s-mytheme .CodeMirror-scrollbar-filler,
.cm-s-mytheme .CodeMirror-gutter-filler {
  background-color: var(--editor-bg);
}

.cm-s-mytheme .CodeMirror-scrollbar::-webkit-scrollbar {
  width: 8px;
}

.cm-s-mytheme .CodeMirror-scrollbar::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

.cm-s-mytheme .CodeMirror-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--border-color);
}

.cm-s-mytheme .CodeMirror-scrollbar::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .editor-panel {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .theme-toggle {
    top: 53%;
    right: 20px;
  }

  #vim-toggle {
    top: 20px;
    right: 20px;
  }
}