/**
 * richtext-all.css - Universal Modern Styling for RichText-All Editor
 * Zero-dependency, responsive, clean typography & dark/light theme support.
 */

:root {
  --rta-primary: #6366f1;
  --rta-primary-hover: #4f46e5;
  --rta-primary-light: #e0e7ff;
  --rta-bg: #ffffff;
  --rta-shell-bg: #f8fafc;
  --rta-border: #e2e8f0;
  --rta-border-hover: #cbd5e1;
  --rta-text: #1e293b;
  --rta-text-muted: #64748b;
  --rta-toolbar-bg: #ffffff;
  --rta-toolbar-border: #e2e8f0;
  --rta-paper-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --rta-radius-sm: 4px;
  --rta-radius-md: 8px;
  --rta-radius-lg: 12px;
  --rta-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --rta-font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}

/* Base Wrapper */
.rta-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  border: 1px solid var(--rta-border);
  border-radius: var(--rta-radius-md);
  background-color: var(--rta-bg);
  color: var(--rta-text);
  font-family: var(--rta-font-sans);
  overflow: visible !important;
  position: relative;
  box-sizing: border-box;
}

.rta-container * {
  box-sizing: border-box;
}

/* Docked Toolbar */
.rta-toolbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 14px;
  background-color: var(--rta-toolbar-bg, #ffffff);
  border-bottom: 1px solid var(--rta-toolbar-border, #e2e8f0);
  user-select: none;
  width: 100%;
  box-sizing: border-box;
}

.rta-toolbar.rta-toolbar-sticky {
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.rta-toolbar-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 6px;
  column-gap: 6px;
  width: 100%;
}

.rta-toolbar-group {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

.rta-toolbar-divider {
  width: 1px;
  height: 20px;
  background-color: #e2e8f0;
  margin: 0 4px;
  flex-shrink: 0;
  align-self: center;
}

.rta-btn-upload {
  background-color: #16a34a !important;
  color: #ffffff !important;
  border: 1px solid #15803d !important;
  font-weight: 600 !important;
  height: 32px !important;
  padding: 0 12px !important;
  border-radius: var(--rta-radius-sm, 6px) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  cursor: pointer !important;
  font-size: 12.5px !important;
  white-space: nowrap !important;
}

.rta-btn-upload:hover {
  background-color: #15803d !important;
  border-color: #166534 !important;
}

.rta-btn-browse {
  background-color: #0891b2 !important;
  color: #ffffff !important;
  border: 1px solid #0e7490 !important;
  font-weight: 600 !important;
  height: 32px !important;
  padding: 0 12px !important;
  border-radius: var(--rta-radius-sm, 6px) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  cursor: pointer !important;
  font-size: 12.5px !important;
  white-space: nowrap !important;
}

.rta-btn-browse:hover {
  background-color: #0e7490 !important;
}

.rta-btn-comment {
  background-color: #fef9c3 !important;
  color: #854d0e !important;
  border: 1px solid #fde047 !important;
  font-weight: 600 !important;
  height: 32px !important;
  padding: 0 10px !important;
  border-radius: var(--rta-radius-sm, 6px) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
  cursor: pointer !important;
  font-size: 12px !important;
}

.rta-btn-comment:hover {
  background-color: #fef08a !important;
  border-color: #facc15 !important;
}

.rta-btn-save-ver {
  background-color: #f3e8ff !important;
  color: #6b21a8 !important;
  border: 1px solid #d8b4fe !important;
  font-weight: 600 !important;
  height: 32px !important;
  padding: 0 10px !important;
  border-radius: var(--rta-radius-sm, 6px) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
  cursor: pointer !important;
  font-size: 12px !important;
}

.rta-btn-save-ver:hover {
  background-color: #e9d5ff !important;
  border-color: #c084fc !important;
}

.rta-btn-gutter-pos {
  background-color: #f8fafc !important;
  color: #334155 !important;
  border: 1px solid #cbd5e1 !important;
  font-weight: 500 !important;
  height: 32px !important;
  padding: 0 10px !important;
  border-radius: var(--rta-radius-sm, 6px) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
  cursor: pointer !important;
  font-size: 12px !important;
  transition: all 0.15s ease !important;
}

.rta-btn-gutter-pos:hover {
  background-color: #e2e8f0 !important;
  border-color: #94a3b8 !important;
  color: #0f172a !important;
}

.rta-swatch-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid #cbd5e1;
  border-radius: var(--rta-radius-sm, 6px);
  background: #ffffff;
  cursor: pointer;
  overflow: hidden;
  box-sizing: border-box;
  transition: all 0.15s ease;
}

.rta-swatch-label:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
}

.rta-swatch-box {
  width: 18px;
  height: 15px;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.rta-color-pen-icon {
  font-size: 14px;
  pointer-events: none;
}

.rta-toolbar-btn,
.rta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 7px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--rta-radius-sm, 6px);
  color: #334155;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  box-sizing: border-box;
  line-height: 1;
  white-space: nowrap;
}

.rta-toolbar-btn:hover,
.rta-btn:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

.rta-toolbar-btn.is-active,
.rta-btn.active,
.rta-btn.is-active {
  background-color: var(--rta-primary-light, #eff6ff);
  color: var(--rta-primary, #3b82f6);
  border-color: #bfdbfe;
  font-weight: 600;
}

.rta-toolbar-select,
.rta-select {
  height: 32px;
  padding: 0 8px;
  border: 1px solid #cbd5e1;
  border-radius: var(--rta-radius-sm, 6px);
  background-color: #ffffff;
  color: #334155;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.rta-toolbar-select:hover,
.rta-select:hover {
  border-color: #94a3b8;
  background-color: #f8fafc;
}

.rta-toolbar-select:focus,
.rta-select:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.rta-toolbar-spacer {
  flex: 1;
  min-width: 8px;
}

.rta-btn-save {
  background: var(--rta-primary) !important;
  color: #ffffff !important;
  border-color: var(--rta-primary-hover) !important;
  font-weight: 600 !important;
  height: 32px !important;
}

.rta-btn-save:hover {
  background: var(--rta-primary-hover) !important;
}

/* Toolbar Dropdown Popovers - Single Row (Table, Image, Link) */
.rta-dropdown-wrap,
.rta-table-dropdown-wrap {
  position: relative;
  display: inline-flex;
}

.rta-popover-row,
.rta-table-popover {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  background: #ffffff;
  border: 1px solid var(--rta-border);
  border-radius: var(--rta-radius-sm);
  box-shadow: 0 8px 20px -3px rgba(0, 0, 0, 0.12), 0 3px 6px -2px rgba(0, 0, 0, 0.05);
  padding: 5px 8px;
  z-index: 1200;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.rta-popover-label,
.rta-table-popover-label {
  font-size: 12px;
  font-weight: 600;
  color: #475569;
}

.rta-table-popover-x {
  font-size: 13px;
  font-weight: 700;
  color: #94a3b8;
  user-select: none;
}

.rta-table-input-compact {
  width: 48px;
  height: 26px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 0 4px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  outline: none;
  background: #f8fafc;
  color: #1e293b;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.rta-input-url {
  width: 210px;
  height: 26px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 0 8px;
  font-size: 12px;
  outline: none;
  background: #f8fafc;
  color: #1e293b;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.rta-table-input-compact:focus,
.rta-input-url:focus {
  border-color: var(--rta-primary);
  background: #ffffff;
}

.rta-btn-confirm,
.rta-btn-insert-table-confirm {
  background: var(--rta-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
  white-space: nowrap;
}

.rta-btn-confirm:hover,
.rta-btn-insert-table-confirm:hover {
  background: var(--rta-primary-hover);
}

.rta-btn-file-upload {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #334155;
  border-radius: 4px;
  padding: 4px 9px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.rta-btn-file-upload:hover {
  background: #e2e8f0;
  border-color: #94a3b8;
  color: #0f172a;
}

.rta-btn-open,
.rta-btn-mode {
  background: #f8fafc;
  border: 1px solid var(--rta-border);
  font-weight: 500;
}

.rta-btn-open:hover,
.rta-btn-mode:hover {
  background: #f1f5f9;
  border-color: var(--rta-border-hover);
}

.rta-color-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--rta-border);
  border-radius: var(--rta-radius-sm);
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  background: #ffffff;
  overflow: hidden;
  user-select: none;
}

.rta-color-label:hover {
  background: #f1f5f9;
}

.rta-color-preview-text,
.rta-color-preview-bg {
  pointer-events: none;
}

.rta-toolbar-color-btn {
  position: relative;
  overflow: hidden;
  padding: 0 6px;
}

.rta-color-input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  cursor: pointer;
}

/* Editor Shell & Layouts */
.rta-editor-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--rta-shell-bg);
  min-height: 450px;
  padding: 30px 20px;
  overflow: visible !important;
  position: relative;
  flex: 1;
}

/* Multi-Page Sheets Wrapper */
.rta-pages-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  width: 100%;
}

.rta-page-sheet {
  background: #ffffff;
  box-shadow: var(--rta-paper-shadow);
  border: 1px solid #d1d5db;
  border-radius: 2px;
  box-sizing: border-box;
  outline: none;
  position: relative;
  transition: box-shadow 0.2s ease;
  overflow-x: clip;
  max-width: 100%;
  content-visibility: auto;
  contain-intrinsic-size: 820px 1123px;
}

.rta-page-sheet:focus-within {
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25), 0 8px 20px rgba(0, 0, 0, 0.12);
}

.rta-page-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px dashed #e2e8f0;
  user-select: none;
  margin-bottom: 16px;
  gap: 8px;
}

.rta-page-header-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.rta-page-drag-handle {
  cursor: grab;
  font-size: 14px;
  color: #94a3b8;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color 0.15s, background-color 0.15s;
  user-select: none;
}

.rta-page-drag-handle:hover {
  color: #475569;
  background-color: #f1f5f9;
}

.rta-page-drag-handle:active {
  cursor: grabbing;
}

.rta-page-num-pill {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: #f1f5f9;
  padding: 3px 8px;
  border-radius: 4px;
}

.rta-page-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.rta-page-action-btn {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: #475569;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
  line-height: 1.2;
}

.rta-page-action-btn:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  color: #1e293b;
}

.rta-page-insert-btn {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #16a34a;
}

.rta-page-insert-btn:hover {
  background: #dcfce7;
  border-color: #86efac;
  color: #15803d;
}

.rta-page-del-btn {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #ef4444;
}

.rta-page-del-btn:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #dc2626;
}

.rta-page-sheet.is-dragging {
  opacity: 0.45;
  outline: 2px dashed #6366f1;
}

.rta-page-sheet.drag-over-top {
  box-shadow: 0 -4px 0 0 #6366f1, var(--rta-paper-shadow);
}

.rta-page-sheet.drag-over-bottom {
  box-shadow: 0 4px 0 0 #6366f1, var(--rta-paper-shadow);
}

.rta-page-body {
  outline: none;
  min-height: 200px;
  max-width: 100%;
  box-sizing: border-box;
}

/* ContentEditable Editor Core */
.rta-editor {
  background-color: #ffffff;
  color: var(--rta-text);
  outline: none;
  font-size: 15px;
  line-height: 1.68;
  word-wrap: break-word;
  transition: box-shadow 0.2s ease, width 0.2s ease;
  min-height: 380px;
  position: relative;
}

/* Infinite Layout - Full 100% Responsive Width */
.rta-editor.rta-layout-infinite,
.rta-page-sheet.rta-layout-infinite,
.rta-layout-infinite {
  width: 100%;
  max-width: 100%;
  min-height: 520px;
  padding: 28px 36px;
  border-radius: var(--rta-radius-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--rta-border);
  box-sizing: border-box;
}

/* A4 Page Layout - Responsive */
.rta-editor.rta-layout-a4,
.rta-page-sheet.rta-layout-a4,
.rta-layout-a4 {
  width: 100%;
  max-width: 820px;
  min-height: 1123px;
  padding: 48px 56px;
  box-shadow: var(--rta-paper-shadow);
  border: 1px solid #d1d5db;
  border-radius: 2px;
  box-sizing: border-box;
}

/* US Letter Layout - Responsive */
.rta-editor.rta-layout-letter,
.rta-page-sheet.rta-layout-letter,
.rta-layout-letter {
  width: 100%;
  max-width: 820px;
  min-height: 1056px;
  padding: 48px 56px;
  box-shadow: var(--rta-paper-shadow);
  border: 1px solid #d1d5db;
  border-radius: 2px;
  box-sizing: border-box;
}

/* US Legal Layout - Responsive */
.rta-editor.rta-layout-legal,
.rta-page-sheet.rta-layout-legal,
.rta-layout-legal {
  width: 100%;
  max-width: 820px;
  min-height: 1344px;
  padding: 48px 56px;
  box-shadow: var(--rta-paper-shadow);
  border: 1px solid #d1d5db;
  border-radius: 2px;
  box-sizing: border-box;
}

/* Placeholder support */
.rta-editor[data-placeholder]:empty:before,
.rta-page-sheet[data-placeholder]:empty:before {
  content: attr(data-placeholder);
  color: #94a3b8;
  pointer-events: none;
  display: block;
}

/* Editor Typography */
.rta-editor h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-top: 1.4em;
  margin-bottom: 0.5em;
  color: #0f172a;
}

.rta-editor h2 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  margin-top: 1.3em;
  margin-bottom: 0.4em;
  color: #1e293b;
}

.rta-editor h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  margin-top: 1.2em;
  margin-bottom: 0.3em;
  color: #334155;
}

.rta-editor h4 {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 1.1em;
  margin-bottom: 0.3em;
  color: #334155;
}

.rta-editor h5 {
  font-size: 1.0rem;
  font-weight: 600;
  line-height: 1.45;
  margin-top: 1.0em;
  margin-bottom: 0.25em;
  color: #475569;
}

.rta-editor h6 {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.5;
  margin-top: 0.9em;
  margin-bottom: 0.2em;
  color: #64748b;
}

.rta-editor p {
  margin-top: 0;
  margin-bottom: 0.9em;
}

.rta-editor blockquote {
  border-left: 4px solid var(--rta-primary);
  margin: 1.2em 0;
  padding: 8px 16px;
  background-color: #f8fafc;
  color: #475569;
  font-style: italic;
  border-radius: 0 var(--rta-radius-sm) var(--rta-radius-sm) 0;
}

.rta-editor ul,
.rta-editor ol {
  padding-left: 28px;
  margin: 0.8em 0;
}

.rta-editor li {
  margin-bottom: 0.3em;
}

.rta-editor pre {
  background-color: #0f172a;
  color: #f8fafc;
  padding: 16px;
  border-radius: var(--rta-radius-md);
  overflow-x: auto;
  font-family: var(--rta-font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  margin: 1em 0;
}

.rta-editor code {
  font-family: var(--rta-font-mono);
  background-color: #f1f5f9;
  color: #e11d48;
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

.rta-editor pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

/* Responsive Table Overflow Containment (Supports 20+ Columns without Overriding Page) */
.rta-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  margin: 1.4em 0;
  border-radius: var(--rta-radius-sm, 4px);
  border: 1px solid var(--rta-border, #e2e8f0);
  background: #ffffff;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.rta-table-wrap::-webkit-scrollbar {
  height: 7px;
}

.rta-table-wrap::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 4px;
}

.rta-table-wrap::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.rta-table-wrap::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.rta-editor table,
.rta-table {
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  margin: 0;
  box-sizing: border-box;
}

.rta-editor th,
.rta-editor td {
  border: 1px solid var(--rta-border, #e2e8f0);
  padding: 8px 12px;
  text-align: left;
  min-width: 80px;
  box-sizing: border-box;
  font-size: 13.5px;
}

.rta-editor th {
  background-color: #f8fafc;
  font-weight: 600;
  white-space: nowrap;
}

.rta-editor img {
  max-width: 100%;
  height: auto;
  border-radius: var(--rta-radius-md);
  margin: 1em 0;
  display: block;
}

.rta-editor hr {
  border: none;
  border-top: 2px solid var(--rta-border);
  margin: 2em 0;
}

.rta-editor a {
  color: var(--rta-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Floating Bubble Menu */
.rta-bubble-menu {
  position: absolute;
  display: none;
  align-items: center;
  background-color: #1e293b;
  border-radius: var(--rta-radius-md);
  padding: 4px;
  gap: 2px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  z-index: 50;
  transform: translate(-50%, -100%);
  margin-top: -10px;
  user-select: none;
}

.rta-bubble-menu.is-visible {
  display: flex;
}

.rta-bubble-btn {
  background: transparent;
  border: none;
  color: #f8fafc;
  min-width: 28px;
  height: 28px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  transition: background-color 0.15s ease;
}

.rta-bubble-btn:hover {
  background-color: #334155;
}

.rta-bubble-divider {
  width: 1px;
  height: 18px;
  background-color: #475569;
  margin: 0 3px;
}

/* Slash Command Menu */
.rta-slash-menu {
  position: absolute;
  display: none;
  flex-direction: column;
  background-color: #ffffff;
  border: 1px solid var(--rta-border);
  border-radius: var(--rta-radius-md);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
  width: 280px;
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
  z-index: 60;
  user-select: none;
}

.rta-slash-menu.is-visible {
  display: flex;
}

.rta-slash-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--rta-radius-sm);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.rta-slash-item:hover,
.rta-slash-item.is-selected {
  background-color: #f1f5f9;
}

.rta-slash-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #f8fafc;
  border: 1px solid var(--rta-border);
  border-radius: 6px;
  font-size: 14px;
  flex-shrink: 0;
}

.rta-slash-info {
  display: flex;
  flex-direction: column;
}

.rta-slash-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--rta-text);
}

.rta-slash-desc {
  font-size: 11.5px;
  color: var(--rta-text-muted);
}

/* Split Pane Dual View */
.rta-split-container,
.rta-split-view-wrapper {
  display: flex;
  width: 100%;
  flex: 1;
  min-height: 480px;
  border-top: 1px solid var(--rta-border);
  background: #ffffff;
}

.rta-split-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 450px;
}

.rta-split-source,
.rta-split-left {
  border-right: 1px solid var(--rta-border);
  background-color: #0f172a;
}

.rta-split-header {
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: #1e293b;
  color: #94a3b8;
  border-bottom: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rta-split-header-wysiwyg,
.rta-split-preview .rta-split-header {
  background-color: #f8fafc;
  color: #64748b;
  border-bottom: 1px solid var(--rta-border);
}

.rta-markdown-raw,
.rta-source-textarea {
  flex: 1;
  width: 100%;
  height: 100%;
  padding: 20px;
  background: transparent;
  color: #e2e8f0;
  font-family: var(--rta-font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  border: none;
  resize: none;
  outline: none;
  box-sizing: border-box;
}

.rta-preview-content {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  background: #ffffff;
  color: var(--rta-text);
  font-family: var(--rta-font-sans);
}

/* Remote Multi-User Cursors & Typing Tooltips */
.rta-remote-cursor {
  position: absolute;
  width: 2px;
  height: 22px;
  pointer-events: none;
  z-index: 1100;
  border-left: 2px solid #6366f1;
  transition: top 0.12s ease, left 0.12s ease;
  animation: rta-cursor-blink 1.2s infinite;
}

@keyframes rta-cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* User Typing Tooltip (Google Docs style tooltip tag with caret arrow) */
.rta-cursor-tag,
.rta-user-typing-tooltip,
.rta-remote-cursor-label {
  position: absolute;
  top: -24px;
  left: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
  border-radius: 4px 4px 4px 0;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.22);
  z-index: 1200;
  transform-origin: bottom left;
  user-select: none;
  line-height: 1.2;
}

/* Pointer notch triangle pointing to cursor caret */
.rta-cursor-tag::after,
.rta-user-typing-tooltip::after,
.rta-remote-cursor-label::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 0;
  border-top: 4px solid;
  border-top-color: inherit;
  border-right: 4px solid transparent;
}

/* Local User Active Typing Tooltip */
.rta-user-typing-tooltip {
  position: absolute;
  opacity: 0;
  transform: translateY(4px) scale(0.92);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1200;
  pointer-events: none;
}

.rta-user-typing-tooltip.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.rta-cursor-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  display: inline-block;
  animation: rta-dot-pulse 0.8s infinite alternate;
}

@keyframes rta-dot-pulse {
  from { opacity: 0.4; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1.15); }
}

/* Status Bar & Badges */
.rta-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  background-color: #ffffff;
  border-top: 1px solid var(--rta-border);
  font-size: 12px;
  color: var(--rta-text-muted);
}

.rta-status-stats {
  display: flex;
  gap: 14px;
}

.rta-sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
}

.rta-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
}

.rta-badge-saving .rta-badge-dot {
  background-color: #f59e0b;
  animation: rta-pulse 1s infinite;
}

.rta-badge-error .rta-badge-dot {
  background-color: #ef4444;
}

@keyframes rta-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Audit Revision Modal */
.rta-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  backdrop-filter: blur(2px);
}

.rta-modal {
  background: #ffffff;
  border-radius: var(--rta-radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 580px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.rta-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--rta-border);
}

.rta-modal-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.rta-modal-close {
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--rta-text-muted);
}

.rta-modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}

.rta-audit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rta-audit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px;
  border-radius: var(--rta-radius-sm);
  background-color: #f8fafc;
  border: 1px solid var(--rta-border);
}

.rta-audit-time {
  font-size: 11px;
  color: var(--rta-text-muted);
}

.rta-audit-details {
  font-size: 13px;
}

/* Mode Banner */
.rta-mode-banner {
  padding: 8px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--rta-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.rta-banner-viewing {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
}

.rta-banner-suggesting {
  background-color: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

/* Page Break */
.rta-page-break {
  position: relative;
  margin: 36px 0;
  text-align: center;
  border-top: 2px dashed #cbd5e1;
  user-select: none;
}

.rta-page-break-tag {
  display: inline-block;
  position: relative;
  top: -12px;
  background: #f1f5f9;
  color: #475569;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
}

/* Comments Drawer */
.rta-comments-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  border-left: 1px solid #e2e8f0;
  box-sizing: border-box;
}

.rta-drawer-header {
  padding: 14px 16px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rta-drawer-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: #64748b;
}

.rta-comments-input-box {
  padding: 14px 16px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rta-comments-input-box textarea {
  width: 100%;
  height: 70px;
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 13px;
  resize: none;
  box-sizing: border-box;
  font-family: inherit;
}

.rta-btn-primary {
  background: var(--rta-primary);
  color: #ffffff;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

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

.rta-comments-list {
  padding: 14px 16px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rta-comment-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rta-comment-meta {
  font-size: 11.5px;
  color: #64748b;
}

.rta-comment-quote {
  font-size: 12px;
  color: #3b82f6;
  font-style: italic;
  border-left: 2px solid #3b82f6;
  padding-left: 6px;
}

.rta-comment-text {
  font-size: 13px;
  color: #1e293b;
}

.rta-comment-resolve {
  align-self: flex-start;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
}

/* Google Docs-Style Comments & Suggestions Side Margin Gutters (Left, Right, Both) */
.rta-cards-gutter {
  position: absolute;
  top: 0;
  width: 260px;
  bottom: 0;
  pointer-events: none;
  z-index: 100;
  transition: opacity 0.2s ease;
}

/* Right Margin Gutter */
.rta-cards-gutter.is-right,
.rta-cards-gutter-right {
  right: 16px;
  left: auto;
}

@media (min-width: 1420px) {
  .rta-cards-gutter.is-right,
  .rta-cards-gutter-right {
    left: calc(50% + 418px);
    right: auto;
    width: 270px;
  }
}

/* Left Margin Gutter */
.rta-cards-gutter.is-left,
.rta-cards-gutter-left {
  left: 16px;
  right: auto;
}

@media (min-width: 1420px) {
  .rta-cards-gutter.is-left,
  .rta-cards-gutter-left {
    right: calc(50% + 418px);
    left: auto;
    width: 270px;
  }
}

.rta-gutter-card {
  pointer-events: auto;
  position: absolute;
  width: 100%;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.04);
  padding: 12px 14px;
  box-sizing: border-box;
  font-size: 13px;
  color: #1e293b;
  transition: top 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease, border-color 0.18s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  cursor: pointer;
  overflow: visible;
}

.rta-gutter-card:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  z-index: 250 !important;
}

.rta-gutter-card.is-cluster-spread:hover {
  z-index: 250 !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14), 0 4px 10px rgba(0, 0, 0, 0.08) !important;
}

/* Cluster Group Badge */
.rta-cluster-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  color: #4338ca;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 8px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.rta-cluster-badge:hover {
  background: #e0e7ff;
  border-color: #a5b4fc;
  color: #3730a3;
}

/* Card in cluster state */
.rta-gutter-card.is-in-cluster {
  transform-origin: top center;
}

/* Spread state */
.rta-gutter-card.is-cluster-spread {
  opacity: 1 !important;
}

/* Active top layer (Hovered mark in document or direct hover) */
.rta-gutter-card.is-active-top-layer,
.rta-gutter-card.is-hovered-card {
  border-color: var(--card-color, #6366f1) !important;
  box-shadow: 0 14px 32px -4px rgba(99, 102, 241, 0.35), 0 4px 12px rgba(0, 0, 0, 0.12) !important;
  transform: translateY(-4px) scale(1.025) !important;
  z-index: 300 !important;
  opacity: 1 !important;
}

.rta-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 8px;
}

.rta-card-user {
  display: flex;
  align-items: center;
  gap: 8px;
}

.rta-card-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rta-card-user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.rta-card-author {
  font-size: 12px;
  font-weight: 600;
  color: #1e293b;
}

.rta-card-time {
  font-size: 10.5px;
  color: #94a3b8;
}

.rta-card-badge {
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.rta-badge-comment {
  background: #fef9c3;
  color: #854d0e;
  border: 1px solid #fef08a;
}

.rta-badge-add {
  background: #ecfdf5;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.rta-badge-del {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fca5a5;
}

.rta-card-quote {
  font-size: 12px;
  font-style: italic;
  color: #64748b;
  border-left: 2px solid #cbd5e1;
  padding: 2px 0 2px 8px;
  margin: 6px 0 8px 0;
  max-height: 48px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.rta-card-body-text {
  font-size: 12.5px;
  color: #334155;
  line-height: 1.45;
  margin-bottom: 8px;
  word-break: break-word;
}

.rta-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.rta-btn-card-accept {
  background: #16a34a;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: background 0.15s ease;
}

.rta-btn-card-accept:hover {
  background: #15803d;
}

.rta-btn-card-reject {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-btn-card-reject:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.rta-btn-card-resolve {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-btn-card-resolve:hover {
  background: #16a34a;
  color: #ffffff;
  border-color: #16a34a;
}

.rta-btn-card-delete {
  background: #f8fafc;
  color: #64748b;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-btn-card-delete:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
}

/* Comment Replies Group & Drawer */
.rta-comment-replies-group {
  margin: 8px 0 6px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.rta-comment-replies-group:hover,
.rta-comment-replies-group:focus-within,
.rta-comment-replies-group.is-extended {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.rta-replies-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.rta-replies-group-avatars {
  display: flex;
  align-items: center;
}

.rta-reply-group-avatar {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 9.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #ffffff;
  margin-left: -5px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.rta-reply-group-avatar:first-child {
  margin-left: 0;
}

.rta-replies-count-badge {
  font-size: 11px;
  font-weight: 600;
  color: #475569;
}

.rta-replies-expand-hint {
  font-size: 10px;
  color: #94a3b8;
  margin-left: auto;
  transition: transform 0.2s ease, color 0.2s ease;
}

.rta-comment-replies-group:hover .rta-replies-expand-hint,
.rta-comment-replies-group:focus-within .rta-replies-expand-hint,
.rta-comment-replies-group.is-extended .rta-replies-expand-hint,
.rta-gutter-card:hover .rta-comment-replies-group .rta-replies-expand-hint {
  color: #6366f1;
  transform: rotate(180deg);
}

/* Collapsible Replies Drawer - Extends on Hover, Card Hover, or Focus */
.rta-replies-group-drawer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, margin-top 0.25s ease;
}

.rta-comment-replies-group:hover .rta-replies-group-drawer,
.rta-comment-replies-group:focus-within .rta-replies-group-drawer,
.rta-comment-replies-group.is-extended .rta-replies-group-drawer,
.rta-gutter-card:hover .rta-comment-replies-group .rta-replies-group-drawer {
  max-height: 600px;
  opacity: 1;
  margin-top: 8px;
  overflow-y: auto;
  pointer-events: auto;
}

/* Comment Replies Thread */
.rta-comment-replies {
  padding-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rta-comment-reply-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rta-reply-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rta-reply-avatar {
  width: 18px !important;
  height: 18px !important;
  font-size: 10px !important;
  line-height: 18px !important;
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rta-reply-author {
  font-size: 11px;
  font-weight: 600;
  color: #334155;
}

.rta-reply-time {
  font-size: 10px;
  color: #94a3b8;
  margin-left: auto;
}

.rta-btn-del-reply {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 11px;
  cursor: pointer;
  padding: 0 3px;
  line-height: 1;
}

.rta-btn-del-reply:hover {
  color: #ef4444;
}

.rta-reply-body {
  font-size: 12px;
  color: #1e293b;
  line-height: 1.4;
  word-break: break-word;
}

.rta-comment-reply-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 6px;
  border-top: 1px dashed #e2e8f0;
}

.rta-reply-input {
  flex: 1;
  padding: 5px 8px;
  font-size: 11.5px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  outline: none;
  font-family: inherit;
  background: #ffffff;
}

.rta-reply-input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.rta-btn-card-reply {
  background: #3b82f6;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.rta-btn-card-reply:hover {
  background: #2563eb;
}

/* Draft Comment Textarea & Actions */
.rta-card-textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12.5px;
  font-family: inherit;
  resize: vertical;
  outline: none;
  box-sizing: border-box;
  margin-bottom: 6px;
  transition: border-color 0.15s ease;
}

.rta-card-textarea:focus {
  border-color: var(--rta-primary, #6366f1);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.rta-btn-card-submit {
  background: var(--rta-primary, #6366f1);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.rta-btn-card-submit:hover {
  background: var(--rta-primary-hover, #4f46e5);
}

.rta-btn-card-cancel {
  background: transparent;
  color: #64748b;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-btn-card-cancel:hover {
  background: #f1f5f9;
  color: #1e293b;
}

/* Document Marks & Hover States */
.rta-comment-mark {
  background-color: #fef08a;
  border-bottom: 2px solid #eab308;
  border-radius: 2px;
  padding: 1px 2px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-comment-mark-draft {
  background-color: #fed7aa;
  border-bottom: 2px dashed #f97316;
}

.rta-comment-mark.is-hovered-mark {
  background-color: #fde047 !important;
  border-bottom-color: #ca8a04 !important;
  box-shadow: 0 0 0 2.5px rgba(234, 179, 8, 0.5) !important;
}

.rta-suggestion-mark {
  border-radius: 2px;
  padding: 1px 2px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-suggestion-mark.rta-suggestion-add {
  background-color: #dcfce7;
  color: #15803d;
  text-decoration: underline;
  text-decoration-color: #16a34a;
  text-decoration-thickness: 2px;
}

.rta-suggestion-mark.rta-suggestion-add.is-hovered-mark {
  background-color: #bbf7d0 !important;
  box-shadow: 0 0 0 2.5px rgba(22, 163, 74, 0.5) !important;
}

.rta-suggestion-mark.rta-suggestion-del {
  background-color: #fee2e2;
  color: #b91c1c;
  text-decoration: line-through;
  text-decoration-color: #ef4444;
  text-decoration-thickness: 2px;
}

.rta-suggestion-mark.rta-suggestion-del.is-hovered-mark {
  background-color: #fecaca !important;
  box-shadow: 0 0 0 2.5px rgba(239, 68, 68, 0.5) !important;
}

/* Annotation Hover Tooltip (Comments & Suggestions) */
.rta-annotation-tooltip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
  border-radius: 4px 4px 4px 0;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.22);
  z-index: 1300;
  opacity: 0;
  transform: translateY(4px) scale(0.94);
  transition: opacity 0.16s cubic-bezier(0.16, 1, 0.3, 1), transform 0.16s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  line-height: 1.2;
}

.rta-annotation-tooltip.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.rta-annotation-tooltip::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 0;
  border-top: 4px solid;
  border-top-color: inherit;
  border-right: 4px solid transparent;
}

.rta-annotation-tooltip-icon {
  font-size: 11px;
  line-height: 1;
}

.rta-annotation-tooltip-name {
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
}

.rta-btn-comment {
  background: #eff6ff !important;
  color: #1d4ed8 !important;
  border-color: #bfdbfe !important;
  font-weight: 600 !important;
}

.rta-btn-comment:hover {
  background: #dbeafe !important;
  border-color: #93c5fd !important;
}

.rta-btn-save-ver {
  background: #f0fdf4 !important;
  color: #166534 !important;
  border-color: #bbf7d0 !important;
  font-weight: 600 !important;
}

.rta-btn-save-ver:hover {
  background: #dcfce7 !important;
  border-color: #86efac !important;
}

/* Large Modals for Version History & Comparison */
.rta-modal-lg {
  max-width: 680px;
}

.rta-modal-xl {
  max-width: 980px;
  width: 90%;
  max-height: 85vh;
}

/* Modern Version Checkpoint Creation Card */
.rta-version-create-card {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rta-version-create-title {
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.rta-version-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.rta-version-name-input {
  flex: 1;
  height: 34px;
  padding: 0 12px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  font-family: inherit;
  background: #ffffff;
}

.rta-version-name-input:focus {
  border-color: var(--rta-primary, #6366f1);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.rta-btn-save-checkpoint {
  background: var(--rta-primary, #6366f1);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  height: 34px;
  padding: 0 16px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.rta-btn-save-checkpoint:hover {
  background: var(--rta-primary-hover, #4f46e5);
}

/* Modern Version Audit Timeline */
.rta-version-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 4px;
}

.rta-version-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.18s ease;
  gap: 12px;
}

.rta-version-item:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07);
}

.rta-version-item.is-current-version {
  border-color: #86efac;
  background: #f0fdf4;
}

.rta-version-meta-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.rta-version-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #ffffff;
  font-weight: 700;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rta-version-details {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.rta-version-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.rta-version-title {
  font-size: 13.5px;
  font-weight: 600;
  color: #0f172a;
}

.rta-version-badge-live {
  background: #dcfce7;
  color: #15803d;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #86efac;
  letter-spacing: 0.5px;
}

.rta-version-sub {
  font-size: 11.5px;
  color: #64748b;
}

.rta-version-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.rta-btn-diff {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.rta-btn-diff:hover {
  background: #dbeafe;
  border-color: #93c5fd;
}

.rta-btn-restore {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.rta-btn-restore:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.rta-btn-del-ver {
  background: transparent;
  border: 1px solid transparent;
  color: #94a3b8;
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-btn-del-ver:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.rta-modal-xl {
  width: 94vw;
  max-width: 1260px;
  height: 86vh;
  max-height: 86vh;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Unified Toolbar Ribbon in Comparison Dialog */
.rta-compare-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 14px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  flex-shrink: 0;
}

.rta-toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.rta-toolbar-field {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rta-toolbar-label {
  font-size: 11.5px;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.rta-toolbar-select {
  height: 32px;
  padding: 0 8px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #ffffff;
  font-size: 12.5px;
  font-weight: 500;
  color: #1e293b;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s ease;
  min-width: 190px;
  max-width: 250px;
}

.rta-toolbar-select:focus {
  border-color: var(--rta-primary, #6366f1);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.rta-toolbar-btn {
  height: 32px;
  width: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #ffffff;
  color: #475569;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.rta-toolbar-btn:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  color: #0f172a;
}

.rta-toolbar-divider {
  width: 1px;
  height: 22px;
  background: #e2e8f0;
  margin: 0 2px;
  flex-shrink: 0;
}

.rta-btn-restore-toolbar {
  height: 32px;
  padding: 0 14px;
  background: var(--rta-primary, #6366f1);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.rta-btn-restore-toolbar:hover {
  background: var(--rta-primary-hover, #4f46e5);
}

.rta-diff-pane {
  font-size: 13.5px;
  line-height: 1.65;
  color: #1e293b;
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  height: 100%;
  background: #ffffff;
  font-family: var(--rta-font-sans);
  word-break: break-word;
}

/* Diff Highlight Badges and Inline Text - Clean & Light */
ins.rta-diff-add,
.rta-diff-add {
  background-color: rgba(22, 163, 74, 0.08) !important;
  color: #15803d !important;
  text-decoration: underline !important;
  text-decoration-color: #16a34a !important;
  text-decoration-thickness: 1.5px !important;
  border-radius: 2px;
  padding: 0 3px;
  font-weight: 600;
  display: inline;
}

del.rta-diff-del,
.rta-diff-del {
  background-color: rgba(220, 38, 38, 0.08) !important;
  color: #dc2626 !important;
  text-decoration: line-through !important;
  text-decoration-color: #dc2626 !important;
  text-decoration-thickness: 1.5px !important;
  border-radius: 2px;
  padding: 0 3px;
  font-weight: 500;
  opacity: 0.85;
  display: inline;
}

.rta-diff-block-add {
  background-color: transparent !important;
  border-left: 3px solid #16a34a !important;
  padding-left: 10px !important;
  margin: 4px 0 !important;
}

.rta-diff-block-del {
  background-color: transparent !important;
  border-left: 3px solid #dc2626 !important;
  padding-left: 10px !important;
  margin: 4px 0 !important;
}

.rta-diff-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
}

.rta-diff-stat-add {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.rta-diff-stat-del {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fca5a5;
}

.rta-diff-stat-neutral {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.rta-diff-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 11.5px;
  color: #64748b;
  padding: 6px 14px;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.rta-diff-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rta-diff-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.rta-diff-view-toggle {
  display: inline-flex;
  background: #e2e8f0;
  border-radius: 6px;
  padding: 3px;
  gap: 3px;
}

.rta-diff-toggle-btn {
  border: none;
  background: transparent;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  color: #475569;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rta-diff-toggle-btn.is-active {
  background: #ffffff;
  color: #0f172a;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.rta-diff-empty-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}

/* User Switcher Toolbar Controls */
.rta-user-toolbar-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--rta-radius-sm, 6px);
  padding: 0 6px 0 8px;
  height: 32px;
  box-sizing: border-box;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.rta-user-toolbar-group:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.rta-user-indicator-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.rta-select-user {
  height: 28px;
  font-size: 12px;
  font-weight: 600;
  color: #1e293b;
  background: transparent;
  border: none;
  padding: 0 4px;
  cursor: pointer;
  outline: none;
  max-width: 175px;
  border-radius: 4px;
}

.rta-select-user:focus {
  background: #ffffff;
  box-shadow: 0 0 0 1px #cbd5e1;
}

.rta-btn-add-user {
  height: 24px;
  padding: 0 8px;
  font-size: 11px;
  font-weight: 700;
  color: #4338ca;
  background: #e0e7ff;
  border: 1px solid #c7d2fe;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.rta-btn-add-user:hover {
  background: #c7d2fe;
  color: #3730a3;
  border-color: #a5b4fc;
}

/* Toolbar & Item Visibility Controls */
.rta-hidden {
  display: none !important;
}

.rta-toolbar.is-hidden {
  display: none !important;
}