/* Main Application Stylesheet & Design System */

:root {
  /* Common variables */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 9999px;
  
  /* Fonts mapping */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-serif: 'Lora', Georgia, Cambria, "Times New Roman", Times, serif;
  --font-family-mono: 'JetBrains Mono', Fira Code, monospace;
}

/* LIGHT THEME VARIABLES */
.theme-light {
  --bg-primary: #f6f8fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eaeef2;
  --bg-paper: #ffffff;
  --text-primary: #24292f;
  --text-secondary: #57606a;
  --text-muted: #8c959f;
  --border-color: #d0d7de;
  
  --accent-color: #0969da;
  --accent-hover: #0550ae;
  --accent-light: #ddf4ff;
  --success-color: #1a7f37;
  --warning-color: #9a6700;
  --danger-color: #cf222e;
  --accent-purple: #8250df;
  --accent-cyan: #0598bc;
  
  --highlight-color: #fef08a;
  
  --callout-bg-note: #ddf4ff;
  --callout-border-note: #0969da;
  --callout-bg-tip: #dafbe1;
  --callout-border-tip: #1a7f37;
  --callout-bg-warning: #fff8c5;
  --callout-border-warning: #9a6700;
  --callout-bg-important: #ffebe9;
  --callout-border-important: #cf222e;
  --callout-bg-caution: #fbefff;
  --callout-border-caution: #8250df;
  
  --code-bg: #f6f8fa;
}

/* DARK THEME VARIABLES */
.theme-dark {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-paper: #0d1117;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --border-color: #30363d;
  
  --accent-color: #388bfd;
  --accent-hover: #1f6feb;
  --accent-light: #1f6feb33;
  --success-color: #2ea043;
  --warning-color: #d29922;
  --danger-color: #f85149;
  --accent-purple: #bc8cff;
  --accent-cyan: #39c5cf;
  
  --highlight-color: #713f12;
  
  --callout-bg-note: #0d419d33;
  --callout-border-note: #388bfd;
  --callout-bg-tip: #1a7f3733;
  --callout-border-tip: #2ea043;
  --callout-bg-warning: #9a670033;
  --callout-border-warning: #d29922;
  --callout-bg-important: #cf222e33;
  --callout-border-important: #f85149;
  --callout-bg-caution: #8250df33;
  --callout-border-caution: #bc8cff;
  
  --code-bg: #090d13;
}

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

html, body {
  height: 100%;
  font-size: 16px;
  overflow: hidden;
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* TYPOGRAPHY ASSIGNMENTS */
.font-sans { --active-font: var(--font-family-sans); }
.font-serif { --active-font: var(--font-family-serif); }
.font-mono { --active-font: var(--font-family-mono); }

/* MAIN APP WRAPPER */
.app-layout {
  display: flex;
  width: 100%;
  height: 100vh;
  position: relative;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  font-size: 0.9em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-text {
  background: transparent;
  color: var(--text-secondary);
}
.btn-text:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.btn-full {
  width: 100%;
}

/* SIDEBAR STYLES */
.app-sidebar {
  width: 280px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: margin-left var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
  z-index: 100;
}

body.sidebar-collapsed .app-sidebar {
  margin-left: -280px;
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 600;
  font-size: 1.25em;
  letter-spacing: -0.02em;
}

.sidebar-actions {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-scrollable {
  flex: 1;
  overflow-y: auto;
  padding: 20px 10px;
}

.sidebar-section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 0.75em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding-left: 10px;
  font-weight: 600;
}

/* Documents List in Sidebar */
.documents-list {
  list-style: none;
}

.doc-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 4px;
  color: var(--text-secondary);
}

.doc-list-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.doc-list-item.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-weight: 500;
}

.doc-list-item.is-dragging {
  opacity: 0.45;
  background: var(--accent-light);
  outline: 1px dashed var(--accent-color);
}

.doc-drag-handle {
  width: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-right: 4px;
  color: var(--text-muted);
  cursor: grab;
  opacity: 0.5;
}

.doc-drag-handle:active {
  cursor: grabbing;
}

.doc-drag-handle svg {
  width: 14px;
  height: 14px;
}

.doc-list-item:hover .doc-drag-handle {
  opacity: 1;
}

.doc-item-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.9em;
}

.btn-delete-doc {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  opacity: 0;
  transition: all var(--transition-fast);
}

.doc-list-item:hover .btn-delete-doc {
  opacity: 1;
}

.btn-delete-doc:hover {
  color: var(--danger-color);
  background-color: color-mix(in srgb, var(--danger-color) 12%, transparent);
}

/* Outline List in Sidebar */
.outline-list {
  list-style: none;
}

.outline-item {
  padding: 6px 10px;
  font-size: 0.85em;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all var(--transition-fast);
}

.outline-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.outline-level-1 { font-weight: 500; padding-left: 10px; }
.outline-level-2 { padding-left: 20px; font-size: 0.8em; }
.outline-level-3 { padding-left: 30px; font-size: 0.75em; color: var(--text-muted); }

/* Backups / Version History list */
.backups-list {
  list-style: none;
}

.backup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  font-size: 0.8em;
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  margin-bottom: 2px;
}

.backup-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.backup-time {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.backup-restore-btn {
  font-size: 0.75em;
  color: var(--accent-color);
  background: transparent;
  border: none;
  cursor: pointer;
}

/* Sidebar Footer / Settings Panel */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85em;
  color: var(--text-secondary);
}

.footer-setting-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85em;
  color: var(--text-secondary);
}

.setting-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.setting-label i {
  width: 16px;
  height: 16px;
}

.font-selector-group {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 2px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.font-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8em;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.font-btn.active {
  background-color: var(--bg-paper);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Theme Toggle Switch Slider */
.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: var(--transition-fast);
}

.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
}

input:checked + .slider {
  background-color: var(--accent-color);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* MAIN AREA LAYOUT */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal);
}

/* HEADER TOOLBAR */
.app-header {
  height: 56px;
  border-bottom: 1px solid var(--border-color);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(252, 251, 249, 0.8); /* Frosted Glass style */
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 300;
}

.theme-dark .app-header {
  background-color: rgba(11, 15, 25, 0.8);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  max-width: 50%;
}

.header-action-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--border-radius-md);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.header-action-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.header-action-btn span {
  font-weight: 500;
  font-size: 0.9em;
}

.doc-title-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.doc-title-input {
  font-weight: 600;
  font-size: 1em;
  border: none;
  background: transparent;
  color: var(--text-primary);
  outline: none;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  width: 100%;
  transition: all var(--transition-fast);
}

.doc-title-input:focus {
  background-color: var(--bg-tertiary);
  box-shadow: inset 0 0 0 1px var(--border-color);
}

.save-status {
  font-size: 0.7em;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: var(--border-radius-full);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mode selectors (Preview / Split / Source) */
.mode-selector {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 2px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.mode-btn {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85em;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.mode-btn.active {
  background-color: var(--bg-paper);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Dropdown Menu for Export button */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 8px;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 220px;
  z-index: 400;
  padding: 6px;
  overflow: hidden;
  animation: fadeIn 0.15s ease-out;
}

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

.dropdown-content a {
  color: var(--text-secondary);
  padding: 10px 14px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9em;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

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

/* EDITOR WORKSPACE */
.editor-workspace {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
}

.editor-container {
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.editor-container.active {
  display: block;
}

#wysiwyg-container.active {
  display: flex;
  flex-direction: column;
}

.editor-toolbar-wrapper {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 6px 16px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  z-index: 50;
  transition: background-color var(--transition-normal), border var(--transition-normal);
  overflow: visible;
  width: 100%;
  position: relative;
}

.editor-toolbar-wrapper::-webkit-scrollbar {
  display: none;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap; /* Prevent wrapping */
  width: auto;
  overflow: visible;
}

.toolbar-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px;
  cursor: pointer;
  border-radius: var(--border-radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.toolbar-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.toolbar-btn.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
}

.toolbar-btn i {
  width: 16px;
  height: 16px;
}

.toolbar-separator {
  width: 1px;
  height: 18px;
  background-color: var(--border-color);
  margin: 0 6px;
}

/* Scroll wrapper for the paper page */
.editor-paper-scroll {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  padding: 40px 20px;
}

/* WYSIWYG Editable Paper Canvas */
.editor-paper {
  width: 90%;
  max-width: 90%;
  margin: 0 auto;
  min-height: calc(100% - 10px);
  background-color: var(--bg-paper);
  padding: 60px 80px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  outline: none;
  font-family: var(--active-font);
  font-size: 1.1em;
  line-height: 1.7;
  color: var(--text-primary);
  word-break: break-word;
  transition: box-shadow var(--transition-normal), border var(--transition-normal);
}

.editor-paper:focus {
  box-shadow: var(--shadow-md);
}

.editor-paper.is-image-dragover,
.raw-code-editor.is-image-dragover {
  outline: 2px dashed var(--accent-color);
  outline-offset: -8px;
  background-color: color-mix(in srgb, var(--accent-light) 55%, var(--bg-paper));
}

/* DOCUMENT FILE DROP OVERLAY */
.document-drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 1800;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.document-drop-overlay.show {
  display: flex;
}

.document-drop-panel {
  width: min(460px, 100%);
  padding: 28px;
  border: 2px dashed var(--accent-color);
  border-radius: var(--border-radius-lg);
  background-color: color-mix(in srgb, var(--bg-paper) 94%, var(--accent-light));
  color: var(--text-primary);
  box-shadow: var(--shadow-xl);
  text-align: center;
  animation: scaleUp 0.18s ease-out;
}

.document-drop-panel svg {
  width: 44px;
  height: 44px;
  color: var(--accent-color);
  margin-bottom: 14px;
}

.document-drop-panel h2 {
  font-size: 1.25em;
  font-weight: 700;
  margin-bottom: 8px;
}

.document-drop-panel p {
  font-size: 0.9em;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Raw Code Editors Viewport with gutters */
.code-editor-wrapper {
  position: relative;
  display: flex;
  width: 100%;
  height: 100%;
  background-color: var(--bg-paper);
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.line-numbers-gutter {
  width: 48px;
  background-color: var(--bg-tertiary);
  border-right: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-family-mono, monospace) !important;
  font-size: 13px !important;
  line-height: 24px !important;
  padding: 20px 0;
  text-align: center;
  user-select: none;
  overflow: hidden;
  box-sizing: border-box;
  flex-shrink: 0;
}

.raw-code-editor {
  flex: 1;
  height: 100%;
  border: none;
  outline: none;
  background-color: transparent;
  color: var(--text-primary);
  font-family: var(--font-family-mono, monospace) !important;
  font-size: 13px !important;
  line-height: 24px !important;
  padding: 20px 15px;
  resize: none;
  box-sizing: border-box;
  margin: 0;
}

.raw-code-editor:focus {
  /* No direct border focus, wrapper is used */
}

.code-editor-wrapper:focus-within {
  border-color: var(--accent-color);
}

/* Split Screen Layout */
.split-layout {
  display: none;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

#split-container.active {
  display: flex;
}

.split-pane {
  height: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.split-editor {
  width: 50%; /* Default width, adjusted via JS */
  padding: 0;
  display: flex;
  flex-direction: column;
}

.split-preview {
  width: 50%; /* Default width, adjusted via JS */
  padding: 0;
  overflow-y: auto;
  background-color: var(--bg-paper-scroll); /* Same background color as WYSIWYG editor scroll */
}

/* Vertical resizer gutter */
.split-resizer {
  width: 8px;
  height: 100%;
  background-color: var(--border-color);
  cursor: col-resize;
  flex-shrink: 0;
  z-index: 10;
  position: relative;
  transition: background-color var(--transition-fast);
}

.split-resizer:hover, .split-resizer.dragging {
  background-color: var(--accent-color);
}

/* Flat preview styling inside Split View */
.split-preview #split-html-preview.editor-paper {
  width: 100%;
  max-width: 100%;
  box-shadow: none;
  border: none;
  border-radius: 0;
  padding: 40px;
  min-height: 100%;
  margin: 0;
}

/* FOOTER DASHBOARD STATS */
.app-footer {
  height: 36px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8em;
  color: var(--text-secondary);
  z-index: 10;
}

.footer-left {
  display: flex;
  gap: 16px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-item i {
  width: 14px;
  height: 14px;
}

/* EXPORT PRINT STYLES FOR PDF */
@media print {
  body {
    background: white;
    color: black;
  }
  .app-sidebar, .app-header, .app-footer, .formatting-bubble, .slash-menu, .dialog-overlay, .table-bubble {
    display: none !important;
  }
  .app-main {
    height: auto;
    overflow: visible;
  }
  .editor-workspace {
    overflow: visible;
  }
  #wysiwyg-container {
    display: block !important;
  }
  .editor-paper-scroll {
    padding: 0;
    overflow: visible;
  }
  .editor-paper {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    max-width: 100% !important;
  }
}

/* DYNAMIC RICH ELEMENTS RENDERING (MARKDOWN OUTPUT) */
.editor-paper h1, .editor-paper h2, .editor-paper h3 {
  font-family: var(--font-family-serif);
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  line-height: 1.3;
}

.editor-paper h1 { font-size: 2.1em; border-bottom: 1px solid var(--border-color); padding-bottom: 6px; }
.editor-paper h2 { font-size: 1.6em; }
.editor-paper h3 { font-size: 1.25em; }

.editor-paper p {
  margin-bottom: 1.2em;
}

.editor-paper blockquote {
  border-left: 4px solid var(--border-color);
  padding: 6px 20px;
  color: var(--text-secondary);
  font-style: italic;
  margin: 1.5em 0;
}

.editor-paper pre {
  background-color: var(--code-bg);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin-bottom: 1.5em;
}

.editor-paper code {
  font-family: var(--font-family-mono);
  font-size: 0.85em;
  background-color: var(--code-bg);
  padding: 3px 6px;
  border-radius: var(--border-radius-sm);
  color: var(--accent-color);
}

.editor-paper pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
  font-size: 0.9em;
}

/* Render/edit widgets for fenced code blocks in Preview Edit mode */
.code-block-widget {
  position: relative;
  margin: 1.5em 0;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--code-bg);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.code-block-widget:hover,
.code-block-widget:focus-within {
  border-color: color-mix(in srgb, var(--accent-color) 55%, var(--border-color));
  box-shadow: var(--shadow-sm);
}

.code-block-toolbar {
  min-height: 38px;
  padding: 6px 8px 6px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid transparent;
}

.code-block-language-label,
.code-block-language-select {
  color: var(--text-muted);
  font-family: var(--font-family-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.code-block-language-select {
  display: none;
  width: min(210px, 55%);
  padding: 5px 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  outline: none;
  background: var(--bg-paper);
  color: var(--text-primary);
  text-transform: none;
  cursor: pointer;
}

.code-block-language-select:focus {
  border-color: var(--accent-color);
}

.code-block-toggle {
  min-height: 28px;
  padding: 5px 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: color-mix(in srgb, var(--bg-paper) 88%, transparent);
  color: var(--text-secondary);
  font-family: var(--font-family-sans);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  opacity: 0.72;
  transition: all var(--transition-fast);
}

.code-block-toggle:hover,
.code-block-toggle:focus-visible,
.code-block-widget.is-editing .code-block-toggle {
  opacity: 1;
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.code-block-toggle svg {
  width: 14px;
  height: 14px;
}

.code-block-rendered > pre,
.code-block-widget .code-block-rendered pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 10px 16px 18px;
}

.code-block-source {
  display: none;
  width: 100%;
  min-height: 140px;
  padding: 16px;
  resize: vertical;
  border: 0;
  border-top: 1px solid var(--border-color);
  outline: none;
  background: var(--code-bg);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
  line-height: 1.65;
  tab-size: 2;
  white-space: pre;
}

.code-block-widget.is-editing .code-block-language-label,
.code-block-widget.is-editing .code-block-rendered {
  display: none;
}

.code-block-widget.is-editing .code-block-language-select,
.code-block-widget.is-editing .code-block-source {
  display: block;
}

.code-block-widget.is-editing .code-block-toolbar {
  border-bottom-color: var(--border-color);
}

.code-block-mermaid {
  padding: 12px 18px 22px;
  overflow-x: auto;
  text-align: center;
}

.code-block-mermaid svg {
  max-width: 100%;
  height: auto;
}

.code-block-mermaid svg text,
.code-block-mermaid svg .label,
.code-block-mermaid svg .label text,
.code-block-mermaid svg .nodeLabel,
.code-block-mermaid svg .edgeLabel,
.code-block-mermaid svg .edgeLabel span,
.code-block-mermaid svg .messageText,
.code-block-mermaid svg .actor,
.code-block-mermaid svg .titleText,
.mermaid svg text,
.mermaid svg .label,
.mermaid svg .label text,
.mermaid svg .nodeLabel,
.mermaid svg .edgeLabel,
.mermaid svg .edgeLabel span,
.mermaid svg .messageText,
.mermaid svg .actor,
.mermaid svg .titleText {
  color: var(--text-primary) !important;
  fill: var(--text-primary) !important;
}

.code-block-mermaid svg .edgeLabel,
.code-block-mermaid svg .edgeLabel span,
.mermaid svg .edgeLabel,
.mermaid svg .edgeLabel span {
  background-color: var(--bg-paper) !important;
}

.code-block-mermaid svg .node rect,
.code-block-mermaid svg .node polygon,
.code-block-mermaid svg .node circle,
.code-block-mermaid svg .node ellipse,
.code-block-mermaid svg .cluster rect,
.mermaid svg .node rect,
.mermaid svg .node polygon,
.mermaid svg .node circle,
.mermaid svg .node ellipse,
.mermaid svg .cluster rect {
  fill: var(--bg-tertiary) !important;
  stroke: var(--border-color) !important;
}

.code-block-mermaid svg .edgePath .path,
.code-block-mermaid svg .flowchart-link,
.code-block-mermaid svg .messageLine0,
.code-block-mermaid svg .messageLine1,
.mermaid svg .edgePath .path,
.mermaid svg .flowchart-link,
.mermaid svg .messageLine0,
.mermaid svg .messageLine1 {
  stroke: var(--text-secondary) !important;
}

.code-block-mermaid svg marker path,
.mermaid svg marker path {
  fill: var(--text-secondary) !important;
  stroke: var(--text-secondary) !important;
}

.code-block-mermaid.is-loading {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.code-block-mermaid.has-error {
  color: var(--text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.82rem;
  text-align: left;
  white-space: pre-wrap;
}

.code-block-status {
  display: none;
  padding: 8px 14px;
  border-top: 1px solid var(--callout-border-important);
  background: var(--callout-bg-important);
  color: var(--callout-border-important);
  font-size: 0.75rem;
}

.code-block-status:not(:empty) {
  display: block;
}

@media print {
  .code-block-widget .code-block-toolbar,
  .code-block-widget .code-block-source,
  .code-block-widget .code-block-status {
    display: none !important;
  }

  .code-block-widget .code-block-rendered {
    display: block !important;
  }
}

/* Render/edit widget for images in Preview Edit mode */
.image-widget {
  position: relative;
  margin: 1.5em 0;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-paper);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.image-widget:hover,
.image-widget:focus-within {
  border-color: color-mix(in srgb, var(--accent-color) 55%, var(--border-color));
  box-shadow: var(--shadow-sm);
}

.image-widget-toolbar {
  min-height: 38px;
  padding: 6px 8px 6px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid transparent;
  background: var(--bg-secondary);
}

.image-widget-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-family: var(--font-family-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.image-widget-label svg,
.image-widget-toggle svg {
  width: 14px;
  height: 14px;
}

.image-widget-toggle {
  min-height: 28px;
  padding: 5px 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-paper);
  color: var(--text-secondary);
  font-family: var(--font-family-sans);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.image-widget-toggle:hover,
.image-widget-toggle:focus-visible,
.image-widget.is-editing .image-widget-toggle {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.image-widget-preview {
  padding: 14px;
  text-align: center;
  background: repeating-conic-gradient(
    color-mix(in srgb, var(--border-color) 45%, transparent) 0 25%,
    transparent 0 50%
  ) 50% / 18px 18px;
}

.image-widget-preview img {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  height: auto;
  margin: 0 auto;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
}

.image-widget-editor {
  display: none;
  padding: 14px;
  gap: 12px;
  background: var(--bg-paper);
}

.image-widget-editor label {
  display: grid;
  gap: 6px;
  color: var(--text-secondary);
  font-family: var(--font-family-sans);
  font-size: 0.76rem;
  font-weight: 600;
}

.image-widget-editor input,
.image-widget-editor textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  outline: none;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.78rem;
  font-weight: 400;
}

.image-widget-editor input:focus,
.image-widget-editor textarea:focus {
  border-color: var(--accent-color);
}

.image-widget-editor textarea {
  min-height: 74px;
  resize: vertical;
  line-height: 1.5;
}

.optional-label {
  color: var(--text-muted);
  font-weight: 400;
}

.image-widget.is-editing .image-widget-preview {
  display: none;
}

.image-widget.is-editing .image-widget-editor {
  display: grid;
}

.image-widget.is-editing .image-widget-toolbar {
  border-bottom-color: var(--border-color);
}

.image-widget-status {
  display: none;
  padding: 8px 14px;
  border-top: 1px solid var(--callout-border-important);
  background: var(--callout-bg-important);
  color: var(--callout-border-important);
  font-family: var(--font-family-sans);
  font-size: 0.75rem;
}

.image-widget-status:not(:empty) {
  display: block;
}

@media print {
  .image-widget .image-widget-toolbar,
  .image-widget .image-widget-editor,
  .image-widget .image-widget-status {
    display: none !important;
  }

  .image-widget .image-widget-preview {
    display: block !important;
  }
}

.editor-paper ul, .editor-paper ol {
  margin-bottom: 1.2em;
  padding-left: 24px;
}

.editor-paper li {
  margin-bottom: 0.4em;
}

/* Callout Blocks Styles */
.callout {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  margin: 1.5em 0;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.callout-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.8em;
  letter-spacing: 0.05em;
  user-select: none;
}

.callout-icon {
  width: 16px;
  height: 16px;
}

.callout-content {
  font-size: 0.95em;
  color: var(--text-primary);
}

.callout-content p:last-child {
  margin-bottom: 0;
}

.callout-note {
  background-color: var(--callout-bg-note);
  border-left: 4px solid var(--callout-border-note);
}
.callout-note .callout-header { color: var(--callout-border-note); }

.callout-tip {
  background-color: var(--callout-bg-tip);
  border-left: 4px solid var(--callout-border-tip);
}
.callout-tip .callout-header { color: var(--callout-border-tip); }

.callout-warning {
  background-color: var(--callout-bg-warning);
  border-left: 4px solid var(--callout-border-warning);
}
.callout-warning .callout-header { color: var(--callout-border-warning); }

.callout-important {
  background-color: var(--callout-bg-important);
  border-left: 4px solid var(--callout-border-important);
}
.callout-important .callout-header { color: var(--callout-border-important); }

.callout-caution {
  background-color: var(--callout-bg-caution);
  border-left: 4px solid var(--callout-border-caution);
}
.callout-caution .callout-header { color: var(--callout-border-caution); }

/* Task list checkboxes */
.task-list {
  list-style: none;
  padding-left: 10px;
}

.task-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.task-list-item input[type="checkbox"] {
  margin-top: 6px;
  cursor: pointer;
  accent-color: var(--accent-color);
}

/* Tables style */
.editor-paper table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
  font-size: 0.9em;
}

.editor-paper th, .editor-paper td {
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  text-align: left;
}

.editor-paper th {
  background-color: var(--bg-secondary);
  font-weight: 600;
}

.editor-paper tr:nth-child(even) td {
  background-color: rgba(0, 0, 0, 0.01);
}

/* FLOATING FORMATTING BUBBLE CARD */
.formatting-bubble {
  position: absolute;
  display: none;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-lg);
  padding: 4px 6px;
  gap: 2px;
  z-index: 1000;
  animation: scaleUp 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.bubble-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 10px;
  cursor: pointer;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.bubble-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.bubble-btn i {
  width: 16px;
  height: 16px;
}

/* FIND & REPLACE */
::highlight(markdown-editor-search-matches) {
  color: inherit;
  background-color: color-mix(in srgb, #facc15 58%, transparent);
}

::highlight(markdown-editor-search-current) {
  color: inherit;
  background-color: color-mix(in srgb, #fb923c 78%, transparent);
  text-decoration: underline;
  text-decoration-color: #c2410c;
}

.textarea-search-highlights {
  position: absolute;
  inset: 0 0 0 48px;
  z-index: 0;
  display: none;
  overflow: hidden;
  pointer-events: none;
}

.textarea-search-highlights.show {
  display: block;
}

.textarea-search-highlights-content {
  min-width: 100%;
  min-height: 100%;
  padding: 20px 15px;
  color: transparent;
  font-family: var(--font-family-mono, monospace);
  font-size: 13px;
  line-height: 24px;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  transform-origin: top left;
  will-change: transform;
}

.textarea-search-highlights mark {
  color: transparent;
  background: color-mix(in srgb, #facc15 58%, transparent);
  border-radius: 2px;
}

.textarea-search-highlights mark.is-current {
  background: color-mix(in srgb, #fb923c 78%, transparent);
  box-shadow: inset 0 -1px 0 #c2410c;
}

.code-editor-wrapper .line-numbers-gutter {
  position: relative;
  z-index: 2;
}

.code-editor-wrapper .raw-code-editor {
  position: relative;
  z-index: 1;
  background-color: transparent;
}

.search-panel {
  position: fixed;
  top: 112px;
  right: 24px;
  z-index: 1200;
  display: none;
  width: min(560px, calc(100vw - 32px));
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-paper);
  box-shadow: var(--shadow-xl);
}

.search-panel.show {
  display: grid;
  gap: 6px;
}

.search-panel-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.search-panel-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.search-panel input {
  min-width: 0;
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  outline: none;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family-sans);
  font-size: 0.82rem;
}

.search-panel input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-color) 16%, transparent);
}

.search-match-count {
  min-width: 54px;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-align: center;
  white-space: nowrap;
}

.search-panel-btn {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 0;
  border-radius: var(--border-radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.search-panel-btn:hover,
.search-panel-btn:focus-visible,
.search-panel-btn.active {
  background: var(--bg-tertiary);
  color: var(--accent-color);
}

.search-panel-btn svg {
  width: 15px;
  height: 15px;
}

.replace-row {
  display: none;
}

.search-panel.replace-visible .replace-row {
  display: flex;
}

.search-action-btn {
  min-height: 34px;
  padding: 7px 10px;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .search-panel {
    top: 104px;
    right: 16px;
  }

  .search-match-count {
    min-width: 42px;
  }

  .search-action-btn {
    font-size: 0.75rem;
  }
}

/* SLASH COMMAND AUTOCOMPLETE MENU */
.slash-menu {
  position: absolute;
  display: none;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  width: 260px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 1000;
  animation: scaleUp 0.1s ease-out;
}

.slash-menu-list {
  list-style: none;
  padding: 6px;
}

.slash-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.slash-menu-item.active {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.slash-item-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  color: var(--accent-color);
}

.slash-item-icon i {
  width: 18px;
  height: 18px;
}

.slash-item-meta {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.slash-item-label {
  font-weight: 500;
  font-size: 0.95em;
  line-height: 1.2;
}

.slash-item-desc {
  font-size: 0.75em;
  color: var(--text-muted);
  margin-top: 2px;
}

/* OVERLAY MODAL DIALOGS */
.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1500;
}

.theme-dark .dialog-overlay {
  background-color: rgba(0, 0, 0, 0.6);
}

.dialog-overlay.show {
  display: flex;
}

.dialog-box {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 30px;
  width: 100%;
  max-width: 460px;
  animation: slideUp 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.dialog-box-large {
  max-width: 680px;
}

.dialog-title {
  font-size: 1.3em;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dialog-desc {
  font-size: 0.85em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.4;
}

.dialog-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  outline: none;
  font-family: inherit;
  font-size: 1em;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  margin-bottom: 20px;
}

.dialog-input:focus {
  border-color: var(--accent-color);
}

.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.dialog-actions-right {
  display: flex;
  gap: 10px;
}

/* WORD GOAL TRACKER PROGRESS */
.goal-progress-bar-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: transparent;
  z-index: 2000;
}

.goal-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-purple));
  transition: width 0.3s ease;
}

/* SHARE CARD EXPORT STYLING */
.share-card-settings {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  background-color: var(--bg-secondary);
  padding: 14px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.share-card-settings .setting-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-bg-selectors {
  display: flex;
  gap: 8px;
}

.bg-selector-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.bg-selector-btn.active {
  border-color: var(--text-primary);
  transform: scale(1.1);
}

.share-card-preview-viewport {
  width: 100%;
  max-height: 380px;
  overflow-y: auto;
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.02);
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.share-card-container {
  width: 100%;
  max-width: 520px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

/* Gradients for backgrounds */
.bg-sunset { background: linear-gradient(135deg, #f59e0b, #ec4899); }
.bg-ocean { background: linear-gradient(135deg, var(--accent-color), var(--accent-purple)); }
.bg-emerald { background: linear-gradient(135deg, var(--success-color), var(--accent-cyan)); }
.bg-aurora { background: linear-gradient(135deg, #a78bfa, #f472b6); }
.bg-glass { background: linear-gradient(135deg, #1f2937, #111827); }
.bg-minimal { background: #fdfdfd; }

/* Paddings for backgrounds */
.p-small { padding: 24px; }
.p-medium { padding: 40px; }
.p-large { padding: 60px; }

.share-card-frame {
  background-color: var(--bg-paper);
  width: 100%;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.share-card-header {
  height: 36px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 14px;
  position: relative;
}

.share-card-dot-group {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background-color: var(--danger-color); }
.dot-yellow { background-color: var(--warning-color); }
.dot-green { background-color: var(--success-color); }

.share-card-title-label {
  position: absolute;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.75em;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
}

.share-card-body {
  padding: 24px 30px;
  font-size: 0.9em;
  line-height: 1.6;
  max-height: 240px;
  overflow: hidden;
}

.share-card-body h1, .share-card-body h2, .share-card-body h3 {
  font-family: var(--font-family-serif);
  margin-top: 1em;
  margin-bottom: 0.4em;
}
.share-card-body h1 { font-size: 1.5em; border-bottom: 1px solid var(--border-color); padding-bottom: 4px; }
.share-card-body h2 { font-size: 1.25em; }

.share-card-footer {
  height: 32px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 16px;
  font-size: 0.7em;
  color: var(--text-muted);
}

/* ANIMATIONS */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* DISTRACTION FREE FOCUS MODE */
body.focus-mode .app-sidebar,
body.focus-mode .app-header,
body.focus-mode .app-footer,
body.focus-mode .goal-progress-bar-container {
  display: none !important;
}

body.focus-mode .app-layout {
  height: 100vh;
}

body.focus-mode .app-main {
  height: 100vh;
}

body.focus-mode .editor-paper-scroll {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.focus-mode .editor-paper {
  box-shadow: none;
  border: none;
  border-radius: 0;
  padding: 80px 40px;
  max-width: 680px;
}

/* RESPONSIVE LAYOUT FOR MOBILE */
@media (max-width: 768px) {
  .app-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }
  
  .app-sidebar.show {
    transform: translateX(0);
  }
  
  .header-left {
    max-width: 70%;
  }
  
  .mode-selector span {
    display: none; /* Hide label text on mobile tabs */
  }
  
  .editor-paper {
    padding: 30px;
  }
  
  .split-layout {
    flex-direction: column;
  }
}

.mobile-only-btn {
  display: none;
}

@media (max-width: 768px) {
  .mobile-only-btn {
    display: inline-flex;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
  }
}

/* Curated Text Color Swatch dropdown styles */
.color-palette {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px;
  min-width: 150px;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.color-palette.show {
  display: grid;
}

.highlight-palette {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px;
  min-width: 150px;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.highlight-palette.show {
  display: grid;
}

.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  cursor: pointer;
  outline: none;
  transition: transform var(--transition-fast);
}

.color-swatch:hover {
  transform: scale(1.15);
}

/* Floating Table Toolbar Bubble styles */
.table-bubble {
  position: absolute;
  display: none;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-lg);
  padding: 4px 6px;
  gap: 2px;
  z-index: 1000;
  animation: scaleUp 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  align-items: center;
}

.table-bubble-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 10px;
  cursor: pointer;
  border-radius: var(--border-radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8em;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.table-bubble-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.table-bubble-btn.btn-danger {
  color: var(--danger-color);
}

.table-bubble-btn.btn-danger:hover {
  background-color: color-mix(in srgb, var(--danger-color) 12%, transparent);
}

.table-bubble-btn i {
  width: 14px;
  height: 14px;
}