/* Infinity Sheets - Spreadsheet Editor Stylesheet */
:root {
  --primary-color: #107c41;
  --primary-hover: #0c5e31;
  --primary-light: #ecfdf5;
  --primary-border: #34d399;
  --selection-fill: rgba(16, 124, 65, 0.12);
  --selection-border: #107c41;
  --bg-app: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-toolbar: #f8fafc;
  --bg-header-cell: #f1f5f9;
  --bg-header-active: #dcfce7;
  --border-color: #e2e8f0;
  --border-grid: #cbd5e1;
  --border-darker: #94a3b8;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --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 -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
  --primary-color: #10b981;
  --primary-hover: #34d399;
  --primary-light: rgba(16, 185, 129, 0.15);
  --primary-border: #10b981;
  --selection-fill: rgba(16, 185, 129, 0.18);
  --selection-border: #10b981;
  --bg-app: #0f172a;
  --bg-surface: #1e293b;
  --bg-toolbar: #1e293b;
  --bg-header-cell: #0f172a;
  --bg-header-active: rgba(16, 185, 129, 0.25);
  --border-color: #334155;
  --border-grid: #334155;
  --border-darker: #475569;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-ui);
  background-color: var(--bg-app);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

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

/* ==========================================================================
   Header & Suite Navigation
   ========================================================================== */
.app-header {
  height: 48px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 60;
}

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

/* App Switcher */
.app-switcher-wrapper {
  position: relative;
}

.app-switcher-btn {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.app-switcher-btn:hover {
  background-color: var(--bg-toolbar);
  color: var(--text-main);
  border-color: var(--border-color);
}

.app-switcher-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 240px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  z-index: 200;
}

.app-switcher-wrapper.open .app-switcher-dropdown {
  display: block;
}

.app-switcher-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 4px 8px 8px;
}

.app-suite-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-main);
  transition: background-color 0.15s ease;
}

.app-suite-item:hover {
  background-color: var(--bg-toolbar);
}

.app-suite-item.active {
  background-color: var(--primary-light);
}

.app-suite-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #ffffff;
  flex-shrink: 0;
}

.app-suite-icon img,
.logo-icon img,
.app-header img {
  pointer-events: none;
}

.app-suite-icon.home-icon {
  background: linear-gradient(135deg, #385aeb, #8c5ae1, #dc4e41);
}

.app-suite-icon.doc-icon {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.app-suite-icon.sheet-icon {
  background: linear-gradient(135deg, #107c41, #059669);
}

.app-suite-icon.slide-icon {
  background: linear-gradient(135deg, #c2410c, #ea580c);
}

.app-suite-icon.notes-icon {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}
.app-suite-icon.base-icon {
  background: linear-gradient(135deg, #b43635, #8a1f20);
}
.app-suite-icon.pdf-icon {
  background: linear-gradient(135deg, #e11d48, #be123c);
}



.app-suite-info {
  display: flex;
  flex-direction: column;
}

.app-suite-name {
  font-size: 0.86rem;
  font-weight: 600;
}

.app-suite-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-icon {
  font-size: 1.3rem;
}

.doc-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.doc-title-input {
  border: 1px solid transparent;
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 4px 8px;
  border-radius: 4px;
  outline: none;
  transition: all 0.2s ease;
  width: 220px;
}

.doc-title-input:hover {
  background: var(--bg-toolbar);
  border-color: var(--border-color);
}

.doc-title-input:focus {
  background: var(--bg-surface);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(16, 124, 65, 0.2);
}

.status-indicator {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.suite-pills {
  display: inline-flex;
  background-color: var(--bg-app);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.suite-pill {
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.suite-pill:hover {
  color: var(--text-main);
}

.suite-pill.active {
  background-color: var(--bg-surface);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.suite-pill.slide-pill.active {
  color: #ea580c;
}

.suite-pill.notes-pill.active {
  color: #d97706;
}

.stat-pill {
  font-size: 0.75rem;
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   Menu Bar
   ========================================================================== */
.menu-bar {
  height: 28px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 2px;
  font-size: 0.82rem;
  position: relative;
  z-index: 50;
  flex-shrink: 0;
}

.menu-item {
  position: relative;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-main);
  font-weight: 500;
}

.menu-item:hover, .menu-item.active {
  background-color: var(--border-color);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: 6px 0;
  z-index: 100;
}

.menu-item.active > .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 7px 14px;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.82rem;
  color: var(--text-main);
  text-decoration: none;
  cursor: pointer;
  gap: 10px;
}

.dropdown-item i {
  width: 16px;
  text-align: center;
  color: var(--text-muted);
}

.dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.dropdown-item:hover i {
  color: var(--primary-color);
}

.dropdown-item .shortcut,
.dropdown-item .menu-shortcut {
  margin-left: auto;
  padding-left: 16px;
  font-size: 0.72rem;
  color: var(--text-muted);
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
  white-space: nowrap;
  flex-shrink: 0;
}

html[dir="rtl"] .dropdown-item .shortcut,
html[dir="rtl"] .dropdown-item .menu-shortcut {
  margin-left: 0;
  margin-right: auto;
  padding-left: 0;
  padding-right: 16px;
}

html[dir="rtl"] .dropdown-item .submenu-arrow {
  margin-left: 0;
  margin-right: auto;
  padding-left: 0;
  padding-right: 12px;
  transform: scaleX(-1);
}

html[data-platform="mac"] .shortcut[data-mac],
html[data-platform="mac"] .menu-shortcut[data-mac] {
  font-size: 0 !important;
}
html[data-platform="mac"] .shortcut[data-mac]::before,
html[data-platform="mac"] .menu-shortcut[data-mac]::before {
  content: attr(data-mac);
  font-size: 0.72rem !important;
  color: var(--text-muted);
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
}
html[data-platform="windows"] .shortcut[data-win],
html[data-platform="windows"] .menu-shortcut[data-win] {
  font-size: 0 !important;
}
html[data-platform="windows"] .shortcut[data-win]::before,
html[data-platform="windows"] .menu-shortcut[data-win]::before {
  content: attr(data-win);
  font-size: 0.72rem !important;
  color: var(--text-muted);
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
}

.dropdown-item .submenu-arrow {
  margin-left: auto;
  padding-left: 12px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.dropdown-menu hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 5px 0;
}

.dropdown-submenu-item {
  position: relative;
}

.dropdown-submenu-item:hover > .submenu-flyout {
  display: block !important;
}

/* Google Chrome / Modern Office Style Quick Zoom Row in Menu */
.menu-zoom-row {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  cursor: default;
  user-select: none;
  gap: 12px;
}

.menu-zoom-row:hover {
  background: none !important;
  color: inherit !important;
}

.menu-zoom-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-main);
  font-weight: 500;
  white-space: nowrap;
}

.menu-zoom-left i {
  width: 16px;
  text-align: center;
  color: var(--primary-color);
  font-size: 0.88rem;
}

.menu-zoom-controls {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  background: var(--bg-app);
  padding: 3px 5px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .menu-zoom-controls {
  background: rgba(255, 255, 255, 0.05);
}

.menu-zoom-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.72rem;
  transition: all 0.15s ease;
  padding: 0;
  outline: none;
}

.menu-zoom-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  transform: scale(1.08);
}

.menu-zoom-btn:active {
  transform: scale(0.92);
}

.menu-zoom-label {
  min-width: 44px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  user-select: none;
  transition: all 0.15s ease;
}

.menu-zoom-label:hover {
  background: var(--primary-light);
  color: var(--primary-color);
}

.menu-zoom-fullscreen {
  margin-left: 2px;
  border-radius: 4px !important;
}

.menu-zoom-fullscreen:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

.submenu-flyout {
  display: none;
  top: -6px;
  left: 100%;
  min-width: 210px;
}

/* ==========================================================================
   Toolbar / Ribbon
   ========================================================================== */
.toolbar-container {
  min-height: 40px;
  background-color: var(--bg-toolbar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 4px 12px;
  gap: 5px;
  flex-wrap: wrap;
  flex-shrink: 0;
  z-index: 40;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-divider {
  width: 1px;
  height: 20px;
  background-color: var(--border-darker);
  margin: 0 4px;
  opacity: 0.5;
}

.tool-btn {
  min-width: 30px;
  height: 30px;
  padding: 0 5px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.84rem;
  gap: 2px;
  transition: all 0.15s ease;
}

.tool-btn:hover {
  background-color: rgba(0, 0, 0, 0.06);
  border-color: var(--border-color);
}

[data-theme="dark"] .tool-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.tool-btn.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-color: rgba(16, 124, 65, 0.35);
}

.btn-micro {
  font-size: 0.65rem;
  font-weight: 700;
}

.micro-caret {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-left: 2px;
}

.tool-select,
.tool-input {
  height: 30px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.8rem;
  padding: 0 6px;
  outline: none;
  cursor: pointer;
}

.tool-input {
  cursor: text;
  text-align: center;
  box-sizing: border-box;
}

.tool-select:focus,
.tool-input:focus {
  border-color: var(--primary-color);
}

.font-select {
  width: 115px;
}

.size-select,
.size-input {
  width: 58px;
}

.tool-color-btn {
  width: 30px;
  height: 30px;
  border-radius: 4px;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  font-size: 0.78rem;
  color: var(--text-main);
}

.tool-color-btn input[type="color"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.tool-color-btn:hover {
  background-color: rgba(0, 0, 0, 0.06);
}

.color-bar {
  width: 14px;
  height: 3px;
  border-radius: 1px;
  margin-top: 2px;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

/* Toolbar Dropdowns */
.toolbar-dropdown-container {
  position: relative;
}

.borders-dropdown,
.quick-func-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 120;
  min-width: 140px;
}

.borders-dropdown.open,
.quick-func-dropdown.open {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Toolbar Split Button for AutoSum */
.toolbar-split-btn {
  display: inline-flex;
  align-items: center;
  border-radius: 4px;
}

.toolbar-split-btn .tool-btn {
  border-radius: 0;
  margin: 0;
}

.toolbar-split-btn .tool-btn:first-child {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  padding: 0 6px;
  gap: 4px;
  font-weight: 600;
}

.toolbar-split-btn .tool-btn.split-arrow-btn {
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  min-width: 16px;
  padding: 0 4px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .toolbar-split-btn .tool-btn.split-arrow-btn {
  border-left-color: rgba(255, 255, 255, 0.1);
}

.border-opt,
.func-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
}

.border-opt:hover,
.func-opt:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* ==========================================================================
   Formula Bar
   ========================================================================== */
.formula-bar-container {
  height: 32px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 6px;
  flex-shrink: 0;
  z-index: 35;
}

.name-box-wrapper {
  width: 86px;
  flex-shrink: 0;
}

.name-box {
  width: 100%;
  height: 24px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-toolbar);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  font-family: 'Fira Code', monospace;
}

.name-box:focus {
  border-color: var(--primary-color);
  background: var(--bg-surface);
}

.fx-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 24px;
  border-radius: 4px;
  font-family: Georgia, serif;
  font-style: italic;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.fx-indicator:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.formula-input-wrapper {
  flex: 1;
  height: 24px;
}

.formula-input {
  width: 100%;
  height: 100%;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 8px;
  font-size: 0.85rem;
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-surface);
  color: var(--text-main);
  outline: none;
}

.formula-input:focus {
  border-color: var(--primary-color);
  background-color: var(--bg-surface);
}

/* ==========================================================================
   Find & Replace Bar
   ========================================================================== */
.find-replace-bar {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  z-index: 38;
  gap: 12px;
}

.find-inputs {
  display: flex;
  gap: 8px;
  flex: 1;
  max-width: 600px;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
}

.input-with-icon i {
  position: absolute;
  left: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.input-with-icon input {
  width: 100%;
  height: 30px;
  padding: 0 10px 0 28px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.85rem;
  background-color: var(--bg-surface);
  color: var(--text-main);
  outline: none;
}

.find-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.match-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 45px;
}

.btn-icon-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 4px 6px;
}

/* ==========================================================================
   Spreadsheet Grid Workspace (Following Responsive-Table Sticky Standards)
   ========================================================================== */
.grid-workspace {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
}

.spreadsheet-scroller {
  flex: 1;
  overflow: auto;
  max-inline-size: 100%;
  container-type: inline-size;
  position: relative;
  outline: none;
  background-color: var(--bg-surface);
}

.spreadsheet-table {
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  background-color: var(--bg-surface);
  user-select: none;
  transform-origin: top left;
}

/* Sticky Column Headers */
.spreadsheet-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
}

.spreadsheet-table thead th {
  height: 25px;
  background-color: var(--bg-header-cell);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  border-right: 1px solid var(--border-grid);
  border-bottom: 1px solid var(--border-grid);
  position: relative;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.1s ease;
}

.spreadsheet-table thead th:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.spreadsheet-table thead th.active-header {
  background-color: var(--bg-header-active);
  color: var(--primary-color);
  font-weight: 700;
  border-bottom: 2px solid var(--primary-color);
}

/* Top-Left Corner Select All Cell */
.spreadsheet-table thead th.corner-header {
  position: sticky;
  inset-inline-start: 0;
  z-index: 25;
  width: 46px;
  min-width: 46px;
  background-color: var(--bg-header-cell);
  border-right: 1px solid var(--border-darker);
  border-bottom: 1px solid var(--border-darker);
}

.spreadsheet-table thead th.corner-header::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 8px 8px;
  border-color: transparent transparent var(--border-darker) transparent;
}

/* Sticky Row Headers */
.spreadsheet-table tbody th.row-header {
  position: sticky;
  inset-inline-start: 0;
  z-index: 15;
  width: 46px;
  min-width: 46px;
  background-color: var(--bg-header-cell);
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 500;
  text-align: center;
  border-right: 1px solid var(--border-grid);
  border-bottom: 1px solid var(--border-grid);
  cursor: pointer;
  user-select: none;
}

.spreadsheet-table tbody th.row-header:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.spreadsheet-table tbody th.row-header.active-header {
  background-color: var(--bg-header-active);
  color: var(--primary-color);
  font-weight: 700;
  border-right: 2px solid var(--primary-color);
}

/* Resize Handles on Headers */
.col-resizer {
  position: absolute;
  top: 0;
  right: -3px;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  z-index: 30;
}

.col-resizer:hover,
.col-resizer.resizing {
  background-color: var(--primary-color);
}

.row-resizer {
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 6px;
  cursor: row-resize;
  z-index: 30;
}

.row-resizer:hover,
.row-resizer.resizing {
  background-color: var(--primary-color);
}

/* Data Cells */
.spreadsheet-table tbody td.grid-cell {
  height: 24px;
  padding: 2px 6px;
  border-right: 1px solid var(--border-grid);
  border-bottom: 1px solid var(--border-grid);
  font-size: 11pt;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
  cursor: cell;
  position: relative;
}

.spreadsheet-table.hide-gridlines tbody td.grid-cell {
  border-right-color: transparent;
  border-bottom-color: transparent;
}

.spreadsheet-table.hide-headers thead,
.spreadsheet-table.hide-headers tbody th.row-header {
  display: none;
}

/* Cell States */
.spreadsheet-table tbody td.grid-cell.in-range {
  background-color: var(--selection-fill);
}

.spreadsheet-table tbody td.grid-cell.active-cell {
  outline: 2px solid var(--selection-border);
  outline-offset: -2px;
  z-index: 5;
}

.spreadsheet-table tbody td.grid-cell.search-match {
  background-color: #fef08a !important;
  color: #000000 !important;
}

.spreadsheet-table tbody td.grid-cell.search-match-current {
  background-color: #f97316 !important;
  color: #ffffff !important;
}

.spreadsheet-table tbody td.grid-cell.cell-error {
  color: #ef4444 !important;
  font-weight: 600;
}

.cell-checkbox {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--primary-color);
  vertical-align: middle;
}

/* Selection Overlay & Fill Handle */
.selection-box {
  position: absolute;
  pointer-events: none;
  border: 2px solid var(--selection-border);
  z-index: 10;
  transition: none;
}

.fill-handle {
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 8px;
  height: 8px;
  background-color: var(--selection-border);
  border: 1.5px solid var(--bg-surface);
  cursor: crosshair;
  pointer-events: auto;
  z-index: 12;
}

/* Inline Floating Cell Editor */
.cell-inline-editor {
  position: absolute;
  z-index: 30;
  border: 2px solid var(--primary-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 2px 5px;
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 11pt;
  line-height: 1.3;
  outline: none;
  resize: none;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  white-space: pre-wrap;
}

/* ==========================================================================
   Bottom Multi-Sheet Bar & Aggregate Status Bar
   ========================================================================== */
.sheets-bottom-bar {
  height: 36px;
  background-color: var(--bg-toolbar);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  flex-shrink: 0;
  z-index: 45;
}

.sheets-tabs-container {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  height: 100%;
}

.btn-add-sheet {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.btn-add-sheet:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.sheet-tabs-list {
  display: flex;
  align-items: flex-end;
  height: 100%;
  gap: 2px;
}

.sheet-tab {
  height: 30px;
  padding: 0 14px;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
}

.sheet-tab:hover {
  background-color: var(--bg-surface);
  color: var(--text-main);
}

.sheet-tab.active {
  background-color: var(--bg-surface);
  color: var(--primary-color);
  font-weight: 600;
  border-top: 2px solid var(--primary-color);
}

.sheet-tab .sheet-tab-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sheet-tab .tab-color-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 0 0 2px 2px;
}

.sheet-tab {
  position: relative;
}

.sheet-tab .tab-menu-btn {
  font-size: 0.68rem;
  opacity: 0.35;
  padding: 2px 4px;
  border-radius: 3px;
  margin-left: 2px;
  transition: opacity 0.1s ease, background-color 0.1s ease;
}

.sheet-tab:hover .tab-menu-btn,
.sheet-tab.active .tab-menu-btn {
  opacity: 0.75;
}

.sheet-tab .tab-menu-btn:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.08);
  color: var(--text-main);
}

[data-theme="dark"] .sheet-tab .tab-menu-btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.sheet-tab .tab-close {
  font-size: 0.7rem;
  opacity: 0.5;
  padding: 2px;
  border-radius: 3px;
}

.sheet-tab .tab-close:hover {
  opacity: 1;
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.add-rows-bar {
  margin-left: 8px;
}

.btn-text-sm {
  font-size: 0.74rem;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
}

.btn-text-sm:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.sheets-stats-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.aggregate-pills {
  display: flex;
  align-items: center;
  gap: 8px;
}

.agg-pill {
  font-size: 0.76rem;
  color: var(--text-muted);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 4px;
}

.agg-pill strong {
  color: var(--text-main);
}

.agg-pill.agg-sum {
  background-color: var(--primary-light);
  border-color: rgba(16, 124, 65, 0.3);
  color: var(--primary-color);
}

.agg-pill.agg-sum strong {
  color: var(--primary-color);
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

#zoom-slider {
  width: 75px;
  height: 4px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

/* ==========================================================================
   Buttons & Modals
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

.btn-secondary {
  background-color: var(--bg-surface);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.78rem;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  color: var(--text-main);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background-color: var(--bg-surface);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 580px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalPop 0.18s ease-out;
}

.modal-card.modal-lg {
  max-width: 740px;
}

@keyframes modalPop {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Right-Docked Drawer Modals (QR Code / Barcode, Shortcuts, Image & Symbols) */
#code-generator-modal,
#shortcuts-modal,
#image-modal,
#symbols-modal,
.modal-backdrop.modal-docked-right {
  justify-content: flex-end !important;
  align-items: stretch !important;
  padding: 0 !important;
  overflow: hidden;
}

#code-generator-modal > .modal-card,
#shortcuts-modal > .modal-card,
#image-modal > .modal-card,
#symbols-modal > .modal-card,
.modal-backdrop.modal-docked-right > .modal-card {
  height: 100vh !important;
  max-height: 100vh !important;
  width: 480px !important;
  max-width: 100vw !important;
  border-radius: 0 !important;
  border-right: none !important;
  border-top: none !important;
  border-bottom: none !important;
  border-left: 1px solid var(--border-color) !important;
  margin: 0 !important;
  box-shadow: -6px 0 24px rgba(0, 0, 0, 0.22) !important;
  animation: slideInRight 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  display: flex !important;
  flex-direction: column !important;
}

#shortcuts-modal .modal-body,
#code-generator-modal .modal-body,
#image-modal .modal-body,
#symbols-modal .modal-body {
  flex: 1 1 auto !important;
  max-height: none !important;
  overflow-y: auto !important;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body {
  padding: 18px;
  overflow-y: auto;
  flex: 1;
}

.modal-subtext {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background-color: var(--bg-toolbar);
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 0.85rem;
  background-color: var(--bg-surface);
  color: var(--text-main);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-color);
}

/* Chart Modal */
.chart-config-row {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.chart-canvas-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

/* Spreadsheets List */
.docs-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.doc-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.15s ease;
}

.doc-list-item:hover,
.doc-list-item.active {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.doc-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.doc-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.doc-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Formula Reference Guide */
.fx-guide-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
  max-height: 380px;
  overflow-y: auto;
}

.fx-card {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 12px;
  background-color: var(--bg-toolbar);
  cursor: pointer;
  transition: all 0.15s ease;
}

.fx-card:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.fx-card-syntax {
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.fx-card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Shortcuts Grid */
.shortcuts-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.84rem;
}

.kbd-pill {
  background-color: var(--bg-toolbar);
  border: 1px solid var(--border-darker);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Toast Notification */
.app-toast {
  position: fixed;
  bottom: 46px;
  right: 24px;
  background-color: #1e293b;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2000;
  animation: toastSlideUp 0.25s ease-out;
  transition: opacity 0.3s ease;
}

@keyframes toastSlideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Context Menu (Right Click) */
.context-menu {
  position: fixed;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  min-width: 215px;
  padding: 6px 0;
  z-index: 2500;
  user-select: none;
  animation: contextMenuPop 0.12s ease-out;
}

[data-theme="dark"] .context-menu {
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.55), 0 6px 12px -4px rgba(0, 0, 0, 0.4);
}

@keyframes contextMenuPop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.context-menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 7px 14px;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.82rem;
  color: var(--text-main);
  cursor: pointer;
  gap: 10px;
  transition: background-color 0.1s ease;
}

.context-menu-item i {
  width: 16px;
  text-align: center;
  color: var(--text-muted);
}

.context-menu-item:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.context-menu-item:hover i {
  color: var(--primary-color);
}

.context-menu-item .shortcut {
  margin-left: auto;
  padding-left: 16px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.context-menu-item .submenu-arrow {
  margin-left: auto;
  padding-left: 12px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.context-menu hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 5px 0;
}

.context-submenu-item {
  position: relative;
}

.context-submenu-item:hover > .submenu-flyout {
  display: block !important;
}

/* Sheet Tab Color Palette */
.tab-color-flyout {
  min-width: 170px !important;
  padding: 8px !important;
}

.sheet-color-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.sheet-color-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-toolbar);
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.sheet-color-btn:hover {
  transform: scale(1.15);
  border-color: var(--text-main);
}

.context-menu-item.text-danger {
  color: #ef4444;
}

.context-menu-item.text-danger:hover {
  background-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.context-menu-item.text-danger:hover i {
  color: #dc2626;
}

/* Print Stylesheet */
@media print {
  body {
    background: transparent !important;
    height: auto !important;
    overflow: visible !important;
  }
  .app-header, .menu-bar, .toolbar-container, .formula-bar-container, .find-replace-bar, .sheets-bottom-bar, .modal-backdrop, .selection-box {
    display: none !important;
  }
  .grid-workspace, .spreadsheet-scroller {
    overflow: visible !important;
  }
  .spreadsheet-table thead th,
  .spreadsheet-table tbody th.row-header {
    display: none !important;
  }
}

/* ==========================================================================
   Mobile & Tablet Responsiveness (Sheets Editor)
   ========================================================================== */
@media screen and (max-width: 900px) {
  .suite-pills {
    display: none !important;
  }
  .stat-pill {
    display: none !important;
  }
}

@media screen and (max-width: 768px) {
  html, body {
    height: 100%;
    height: 100dvh;
    overflow: hidden;
  }

  .app-container {
    height: 100%;
    height: 100dvh;
    min-height: -webkit-fill-available;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
  }

  /* Header optimizations */
  .app-header {
    height: auto;
    min-height: 48px;
    padding: 6px 10px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-left {
    flex: 1;
    min-width: 0;
    gap: 8px;
  }

  .app-title {
    display: none;
  }

  .doc-meta {
    flex: 1;
    min-width: 0;
  }

  .doc-title-input {
    width: 100%;
    min-width: 120px;
    max-width: 180px;
    font-size: 0.88rem;
  }

  .status-indicator span {
    display: none;
  }

  .header-right {
    gap: 4px;
  }

  .btn-share span {
    display: none;
  }

  .btn-share {
    padding: 6px 10px;
  }

  /* Hide desktop menu bar on mobile */
  .menu-bar {
    display: none !important;
  }

  /* Dock toolbar at the bottom in mobile version */
  .toolbar-container {
    order: 99;
    position: relative;
    z-index: 100;
    border-top: 1px solid var(--border-color);
    border-bottom: none;
    background: var(--bg-surface, #ffffff);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    padding: 8px 10px;
    padding-bottom: calc(max(10px, env(safe-area-inset-bottom)) + 6px);
    gap: 4px;
    scrollbar-width: none;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
  }

  .formula-bar-container {
    order: 1;
  }

  .grid-workspace {
    order: 2;
    flex: 1 1 0%;
    min-height: 0;
  }

  .sheets-bottom-bar {
    order: 3;
    padding-bottom: 4px;
  }

  /* Ensure toolbar dropdowns open upwards when docked at the bottom */
  .toolbar-dropdown-container .borders-dropdown,
  .toolbar-dropdown-container .quick-func-dropdown,
  .toolbar-dropdown-container .dropdown-menu {
    top: auto !important;
    bottom: calc(100% + 4px) !important;
    margin-top: 0 !important;
    margin-bottom: 4px !important;
    max-height: 70vh;
    overflow-y: auto;
  }

  .toolbar-container::-webkit-scrollbar {
    display: none;
  }

  .toolbar-group {
    flex-shrink: 0;
  }

  .tool-btn {
    min-width: 32px;
    height: 32px;
    font-size: 0.9rem;
    flex-shrink: 0;
  }

  .tool-select,
  .tool-input {
    height: 30px;
    font-size: 0.8rem;
    flex-shrink: 0;
  }

  /* Formula Bar Mobile Adaptation */
  .formula-bar-container {
    height: auto;
    min-height: 34px;
    padding: 4px 8px;
    gap: 4px;
  }

  .name-box-wrapper {
    width: 64px;
  }

  .name-box {
    font-size: 0.75rem;
    height: 26px;
  }

  .formula-input-wrapper {
    height: 26px;
  }

  .formula-input {
    font-size: 0.82rem;
  }

  /* Grid Workspace touch smoothness */
  .spreadsheet-scroller {
    -webkit-overflow-scrolling: touch;
  }

  /* Bottom sheet tabs & stats */
  .sheets-bottom-bar {
    height: auto;
    min-height: 36px;
    padding: 4px 8px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .sheets-tabs-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex: 1;
    min-width: 0;
  }

  .sheets-tabs-container::-webkit-scrollbar {
    display: none;
  }

  .sheets-stats-container {
    gap: 8px;
  }

  .zoom-controls {
    display: none;
  }

  .agg-pill:not(.agg-sum) {
    display: none;
  }

  /* Modals */
  .modal-card {
    width: 95vw !important;
    max-width: 95vw !important;
    margin: 8px;
    max-height: 90vh;
  }

  .chart-config-row {
    flex-direction: column;
    gap: 8px;
  }
}

@media screen and (max-width: 480px) {
  .header-left {
    gap: 4px;
  }

  .logo-area {
    gap: 4px;
  }

  .doc-title-input {
    max-width: 130px;
    font-size: 0.82rem;
    padding: 2px 4px;
  }

  .sheets-bottom-bar {
    justify-content: flex-start;
  }

  .sheets-stats-container {
    width: 100%;
    justify-content: space-between;
    padding-top: 2px;
    border-top: 1px solid var(--border-color);
  }

  /* Toast alerts */
  .app-toast {
    left: 12px;
    right: 12px;
    bottom: 36px;
    text-align: center;
    justify-content: center;
  }
}

/* ==========================================================================
   PWA Installation Button
   ========================================================================== */
.btn-pwa-install {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-light, #ecfdf5);
  color: var(--primary-color, #107c41);
  border: 1px solid var(--primary-color, #107c41);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  margin-right: 6px;
}

.btn-pwa-install:hover {
  background-color: var(--primary-color, #107c41);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-pwa-install:active {
  transform: translateY(0);
}

[data-pwa-installed="true"] .btn-pwa-install {
  display: none !important;
}

/* ==========================================================================
   MS Excel Feature Suite: Freeze Panes, AutoFilter, Conditional Formatting,
   Data Validation, Pivot Table, and Sparklines
   ========================================================================== */

/* 1. Freeze Panes indicator lines */
.freeze-row-divider {
  border-bottom: 2.5px solid #107c41 !important;
  box-shadow: 0 2px 4px rgba(16, 124, 65, 0.2);
}

.freeze-col-divider {
  border-right: 2.5px solid #107c41 !important;
  box-shadow: 2px 0 4px rgba(16, 124, 65, 0.2);
}

/* 2. AutoFilter Header Controls */
.filter-header-cell {
  position: relative;
  padding-right: 22px !important;
}

.col-filter-btn {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  color: #475569;
  transition: all 0.15s ease;
  z-index: 5;
}

.col-filter-btn:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.col-filter-btn.active-filter {
  background: #107c41;
  color: #ffffff;
  border-color: #0d6334;
}

/* AutoFilter Flyout Dropdown */
.filter-dropdown-flyout {
  position: absolute;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 6px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  width: 230px;
  padding: 8px;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
}

.filter-flyout-title {
  font-weight: 700;
  color: var(--text-main, #1e293b);
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  padding-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-main, #1e293b);
  font-size: 0.8rem;
  width: 100%;
  text-align: left;
}

.filter-action-btn:hover {
  background: var(--primary-light, #ecfdf5);
  color: var(--primary-color, #107c41);
}

.filter-search-input {
  width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 4px;
  font-size: 0.78rem;
  box-sizing: border-box;
}

.filter-values-list {
  max-height: 140px;
  overflow-y: auto;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 4px;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.filter-val-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 0.78rem;
  cursor: pointer;
}

.filter-val-item:hover {
  background: #f1f5f9;
}

/* 3. Data Validation Dropdown Caret */
.validation-cell {
  position: relative;
}

.cell-dropdown-trigger {
  position: absolute;
  right: 1px;
  bottom: 1px;
  width: 14px;
  height: 14px;
  background: #e2e8f0;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  color: #475569;
  cursor: pointer;
}

.validation-picker-flyout {
  position: absolute;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 120px;
  max-height: 160px;
  overflow-y: auto;
  z-index: 1050;
  padding: 4px;
  display: flex;
  flex-direction: column;
}

.validation-picker-opt {
  padding: 5px 10px;
  border: none;
  background: transparent;
  text-align: left;
  font-size: 0.8rem;
  cursor: pointer;
  border-radius: 3px;
  color: var(--text-main, #1e293b);
}

.validation-picker-opt:hover {
  background: var(--primary-light, #ecfdf5);
  color: var(--primary-color, #107c41);
}

/* 4. Pivot Table Result Card & Table */
.pivot-result-card {
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.pivot-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 8px;
}

.pivot-table th,
.pivot-table td {
  padding: 8px 12px;
  border: 1px solid var(--border-color, #cbd5e1);
  text-align: right;
}

.pivot-table th:first-child,
.pivot-table td:first-child {
  text-align: left;
}

.pivot-table thead tr {
  background: var(--primary-color, #107c41);
  color: #ffffff;
  font-weight: 600;
}

.pivot-table tfoot tr {
  background: var(--bg-surface-secondary, #f8fafc);
  font-weight: 700;
}

/* Power Query Styles */
.pq-step-item {
  padding: 4px 6px;
  border-radius: 4px;
  margin-bottom: 4px;
  background: #ffffff;
  border-left: 3px solid #0284c7;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

[data-theme="dark"] .pq-step-item {
  background: #1e293b;
  border-color: #38bdf8;
  color: #f1f5f9;
}

.pq-preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-family: var(--font-mono, monospace);
}

.pq-preview-table th {
  background: #0284c7;
  color: #ffffff;
  padding: 6px 10px;
  border: 1px solid #0369a1;
  text-align: left;
  position: sticky;
  top: 0;
  z-index: 2;
}

.pq-preview-table td {
  padding: 5px 8px;
  border: 1px solid var(--border-color, #cbd5e1);
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pq-preview-table tr:nth-child(even) {
  background-color: var(--bg-surface-secondary, #f8fafc);
}

/* ==========================================================================
   Google Sheets Feature Suite: Explore Assistant, Smart Chips, Sparklines,
   Dropdown Chips, and IMPORTRANGE
   ========================================================================== */

/* 1. Explore Assistant Button & Slide-Out Panel */
.btn-explore-toggle {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border: none;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 1px 3px rgba(16, 185, 129, 0.3);
  transition: all 0.2s ease;
  margin-left: 8px;
}

.btn-explore-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.4);
}

.explore-sidebar {
  position: fixed;
  top: 90px;
  right: 0;
  bottom: 30px;
  width: 350px;
  background: var(--bg-surface, #ffffff);
  border-left: 1px solid var(--border-color, #e2e8f0);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.explore-sidebar.open {
  transform: translateX(0);
}

.explore-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(37, 99, 235, 0.05));
}

.explore-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main, #1e293b);
}

.explore-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.explore-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted, #64748b);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.explore-card {
  background: var(--bg-surface-secondary, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 2. In-Cell Sparkline Miniature Visualizations */
.cell-sparkline-svg {
  width: 100%;
  height: 20px;
  vertical-align: middle;
}

/* 3. Google Smart Chips & Dropdown Pills */
.sheet-smart-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 1px 7px;
  border-radius: 12px;
  font-size: 0.8em;
  font-weight: 600;
  user-select: none;
  vertical-align: middle;
  line-height: 1.4;
}

.sheet-chip-person {
  background: #f3e8fd;
  color: #7e22ce;
  border: 1px solid #d8b4fe;
}

.sheet-chip-date {
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.sheet-chip-dropdown {
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.sheet-chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

/* ==========================================================================
   Zoho Sheet Feature Suite: Zia AI Assistant, Data Cleaning, Interactive
   Star Ratings, Numeric Sliders, and Smart Picklists
   ========================================================================== */

/* 1. Zoho Zia AI Button & Slide-Out Panel */
.btn-zia-sheets-toggle {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #ffffff;
  border: none;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 1px 3px rgba(249, 115, 22, 0.3);
  transition: all 0.2s ease;
  margin-left: 6px;
}

.btn-zia-sheets-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(249, 115, 22, 0.4);
}

.zia-sheets-sidebar {
  position: fixed;
  top: 90px;
  right: 0;
  bottom: 30px;
  width: 350px;
  background: var(--bg-surface, #ffffff);
  border-left: 1px solid var(--border-color, #e2e8f0);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.zia-sheets-sidebar.open {
  transform: translateX(0);
}

.zia-sheets-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(234, 88, 12, 0.05));
}

.zia-sheets-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main, #1e293b);
}

.zia-sheets-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* 2. Interactive Star Rating in Grid Cells */
.cell-star-rating {
  display: inline-flex;
  gap: 2px;
  cursor: pointer;
  user-select: none;
  font-size: 0.88rem;
  vertical-align: middle;
}

.cell-star-rating .star {
  color: #cbd5e1;
  transition: color 0.15s ease, transform 0.1s ease;
}

.cell-star-rating .star.filled {
  color: #f59e0b;
}

.cell-star-rating:hover .star {
  transform: scale(1.1);
}

/* 3. Interactive Range Slider in Grid Cells */
.cell-slider-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 90%;
}

.cell-slider-input {
  flex: 1;
  height: 4px;
  accent-color: var(--primary-color, #107c41);
  cursor: pointer;
}

.cell-slider-val {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted, #64748b);
  min-width: 22px;
  text-align: right;
}

/* 4. Data Cleaning Audit Cards */
.cleaning-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: #f1f5f9;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
}

.cleaning-stat-pill.warning {
  background: #fef3c7;
  color: #b45309;
}

.cleaning-stat-pill.success {
  background: #dcfce7;
  color: #15803d;
}







/* ==========================================================================
   Header & Footer Right Sidebar Panel & Inline Page Editor (Image 1 & 2)
   ========================================================================== */
.doc-header-footer-sidebar {
  width: 320px;
  min-width: 320px;
  background: var(--bg-surface, #ffffff);
  border-left: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  transition: width 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  z-index: 25;
  overflow-y: auto;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
  user-select: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  box-sizing: border-box;
}

.doc-header-footer-sidebar *,
.doc-header-footer-sidebar *::before,
.doc-header-footer-sidebar *::after {
  box-sizing: border-box;
}

.doc-header-footer-sidebar.collapsed {
  width: 0 !important;
  min-width: 0 !important;
  opacity: 0;
  pointer-events: none;
  border-left: none;
}

.hf-sidebar-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-surface, #ffffff);
}

.hf-top-mode-dropdown {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
}

.hf-mode-title {
  color: #2563eb;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.hf-top-divider {
  color: #cbd5e1;
}

.hf-top-tab {
  color: var(--text-color, #1e293b);
  font-weight: 500;
}

.hf-sidebar-close {
  background: none;
  border: none;
  color: #64748b;
  font-size: 1.15rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.hf-sidebar-close:hover {
  color: #ef4444;
  background-color: #fee2e2;
}

.hf-sidebar-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hf-sidebar-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-color, #0f172a);
  margin: 0;
}

.hf-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hf-section-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-color, #1e293b);
}

/* Presets row */
.hf-presets-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  position: relative;
}

.hf-preset-btn-container {
  position: relative;
}

.hf-preset-btn {
  width: 100%;
  border: 1.5px solid var(--border-color, #cbd5e1);
  background: var(--bg-surface, #ffffff);
  border-radius: 6px;
  padding: 12px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.hf-preset-btn:hover {
  border-color: #93c5fd;
  background-color: #f8fafc;
}

.hf-preset-btn.active {
  border-color: #2563eb !important;
  background-color: #eff6ff !important;
}

.hf-preset-btn.active .hf-preset-caret {
  transform: rotate(180deg);
}

.hf-preset-label-row {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-color, #1e293b);
}

.hf-preset-caret {
  font-size: 0.65rem;
  color: #2563eb;
  transition: transform 0.15s ease;
}

/* Presets popover menu (Image 1) */
.hf-presets-menu {
  display: none;
  position: fixed;
  width: 330px;
  max-width: 92vw;
  max-height: 480px;
  overflow-y: auto;
  background: var(--bg-surface, #ffffff);
  border: 1.5px solid var(--border-color, #cbd5e1);
  border-radius: 8px;
  box-shadow: -4px 12px 36px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.08);
  z-index: 99999;
  padding: 12px;
  flex-direction: column;
  gap: 10px;
}

.hf-presets-menu.open {
  display: flex !important;
}

.hf-preset-item {
  border: 1.5px solid #e2e8f0;
  border-radius: 6px;
  padding: 12px 14px;
  cursor: pointer;
  background: #ffffff;
  transition: all 0.12s ease;
}

.hf-preset-item:hover,
.hf-preset-item.active {
  border-color: #2563eb;
  background-color: #eff6ff;
}

.hf-preview-blank {
  height: 18px;
  border-bottom: 2px solid #64748b;
}

.hf-preview-left {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  border-bottom: 1.5px solid #cbd5e1;
  padding-bottom: 4px;
}

.hf-preview-text {
  font-size: 0.74rem;
  color: #334155;
  font-weight: 600;
}

.hf-preview-split3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: #334155;
  border-bottom: 1.5px solid #cbd5e1;
  padding-bottom: 4px;
}

.hf-preview-badge-row {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  border-bottom: 1.5px solid #cbd5e1;
  padding-bottom: 4px;
}

.hf-preview-badge {
  background-color: #dc2626;
  color: #ffffff;
  padding: 3px 8px;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 3px;
  letter-spacing: 0.4px;
}

.hf-preview-right-line {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
  border-bottom: 1.5px solid #cbd5e1;
  padding-bottom: 4px;
  font-size: 0.72rem;
  color: #334155;
  font-weight: 600;
}

.hf-preview-right-line::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 14px;
  background-color: #0f172a;
}

.hf-preview-center {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.74rem;
  color: #334155;
  font-weight: 600;
  border-top: 1.5px solid #cbd5e1;
  padding-top: 4px;
}

.hf-preview-split2 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: #334155;
  font-weight: 600;
  border-top: 1.5px solid #cbd5e1;
  padding-top: 4px;
}

/* Options Checkboxes */
.hf-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hf-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-color, #1e293b);
  cursor: pointer;
  user-select: none;
  font-weight: 500;
}

.hf-checkbox-label input[type="checkbox"] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: #2563eb;
}

/* Elements Grid (Matching Image 2 - 2 Columns) */
.hf-elements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background-color: var(--border-color, #cbd5e1);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 6px;
  overflow: hidden;
}

.hf-element-btn {
  background: var(--bg-surface, #ffffff);
  border: none;
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-color, #334155);
  text-align: center;
  transition: all 0.12s ease;
  font-family: inherit;
}

.hf-element-btn:hover {
  background-color: #f0f7ff;
  color: #1d4ed8;
}

.hf-elem-icon {
  font-size: 1.35rem;
}

.hf-badge-icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.hf-mini-badge {
  position: absolute;
  top: -2px;
  right: -7px;
  font-size: 0.8rem;
  font-weight: 800;
}

.hf-mini-badge-date {
  position: absolute;
  bottom: 0px;
  font-size: 0.65rem;
  font-weight: 800;
}

.hf-mini-badge-123 {
  position: absolute;
  bottom: -4px;
  right: -9px;
  font-size: 0.6rem;
  font-weight: 800;
}

.hf-btn-with-caret {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

/* Distance From Edge */
.hf-distance-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background-color: var(--border-color, #cbd5e1);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 6px;
  overflow: hidden;
}

.hf-distance-field {
  background: var(--bg-surface, #ffffff);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hf-distance-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted, #475569);
  font-weight: 600;
}

.hf-distance-input-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hf-distance-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-color, #0f172a);
}

.hf-stepper-btn {
  background: none;
  border: none;
  color: #2563eb;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s ease;
}

.hf-stepper-btn:hover {
  background-color: #eff6ff;
}

/* In-Page Header and Footer Interactive Zones & Guidelines (Image 1) */
.doc-page-header-zone,
.doc-page-footer-zone {
  position: absolute;
  z-index: 20;
  display: flex;
  align-items: center;
  cursor: pointer;
  box-sizing: border-box;
  padding: 4px 10px;
  border-radius: 4px;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.doc-page-header-zone:hover,
.doc-page-footer-zone:hover {
  background-color: rgba(59, 130, 246, 0.08);
}

.doc-page-header-zone.editing,
.doc-page-footer-zone.editing {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
  z-index: 30;
  cursor: text;
}

/* Guideline line across page */
.doc-hf-guideline {
  position: absolute;
  left: 0;
  right: 0;
  height: 0;
  border-bottom: 1.5px dashed #60a5fa;
  pointer-events: none;
  display: none;
}

.doc-page-header-zone.editing .doc-hf-guideline {
  bottom: 0;
  display: block;
}

.doc-page-footer-zone.editing .doc-hf-guideline {
  top: 0;
  display: block;
}

/* Yellow floating action pills matching Image 1 */
.doc-hf-floating-toolbar {
  position: absolute;
  display: none;
  align-items: center;
  gap: 4px;
  z-index: 40;
  pointer-events: auto;
}

.doc-page-header-zone.editing .doc-hf-floating-toolbar {
  display: flex;
  top: calc(100% + 4px);
  left: 0;
}

.doc-page-footer-zone.editing .doc-hf-floating-toolbar {
  display: flex;
  bottom: calc(100% + 4px);
  left: 0;
}

.doc-hf-pill {
  background: #fef08a;
  border: 1px solid #facc15;
  color: #854d0e;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all 0.12s ease;
  user-select: none;
}

.doc-hf-pill:hover {
  background: #fde047;
  border-color: #eab308;
  color: #713f12;
}

.doc-hf-editable-content {
  width: 100%;
  height: 100%;
  outline: none;
  display: flex;
  align-items: center;
  min-height: 24px;
  font-size: 0.85rem;
  color: var(--text-color, #475569);
  font-family: inherit;
  white-space: pre-wrap;
  user-select: text;
}

.doc-hf-editable-content:empty::before {
  content: attr(data-placeholder);
  color: #94a3b8;
  font-style: italic;
  pointer-events: none;
}

[data-theme="dark"] .doc-header-footer-sidebar {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .hf-sidebar-top-bar {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .hf-top-tab {
  color: #e2e8f0;
}

[data-theme="dark"] .hf-preset-btn {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .hf-presets-menu {
  background: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .hf-preset-item {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .hf-element-btn {
  background: #1e293b;
  color: #e2e8f0;
}

[data-theme="dark"] .hf-elements-grid,
[data-theme="dark"] .hf-distance-row {
  background-color: #334155;
  border-color: #334155;
}

[data-theme="dark"] .hf-distance-field {
  background: #1e293b;
}

[data-theme="dark"] .doc-page-header-zone.editing,
[data-theme="dark"] .doc-page-footer-zone.editing {
  background-color: rgba(15, 23, 42, 0.98);
}










/* ==========================================================================
   Sheets Header & Footer Editor (Excel / Google Sheets Style)
   ========================================================================== */

/* 1. In-Grid Interactive Zones */
.sheets-header-zone,
.sheets-footer-zone {
  background: var(--bg-surface, #ffffff);
  border: 2px dashed #94a3b8;
  padding: 10px 16px;
  margin: 10px 16px;
  border-radius: 8px;
  position: relative;
  z-index: 25;
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  flex-shrink: 0;
}

.sheets-header-zone:hover,
.sheets-footer-zone:hover,
.sheets-header-zone.editing,
.sheets-footer-zone.editing {
  border-color: var(--primary-color, #107c41);
  box-shadow: 0 4px 16px rgba(16, 124, 65, 0.12);
}

.sheets-hf-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--primary-color, #107c41);
  text-transform: uppercase;
  margin-bottom: 8px;
  user-select: none;
}

.sheets-hf-badge {
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  background: rgba(16, 124, 65, 0.1);
  color: var(--primary-color, #107c41);
  padding: 2px 8px;
  border-radius: 12px;
}

.sheets-hf-columns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.sheets-hf-col-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sheets-hf-col-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}

.sheets-hf-cell {
  min-height: 44px;
  max-height: 120px;
  overflow-y: auto;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 5px;
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--text-main, #0f172a);
  background: var(--bg-hover, #f8fafc);
  outline: none;
  transition: all 0.15s ease;
  line-height: 1.4;
  word-break: break-word;
}

.sheets-hf-cell:focus {
  border-color: var(--primary-color, #107c41);
  background: var(--bg-surface, #ffffff);
  box-shadow: 0 0 0 2px rgba(16, 124, 65, 0.2);
}

.sheets-hf-cell:empty::before {
  content: attr(data-placeholder);
  color: #94a3b8;
  font-style: italic;
  pointer-events: none;
}

.sheets-hf-col-wrap:nth-child(1) .sheets-hf-cell {
  text-align: left;
}

.sheets-hf-col-wrap:nth-child(2) .sheets-hf-cell {
  text-align: center;
}

.sheets-hf-col-wrap:nth-child(3) .sheets-hf-cell {
  text-align: right;
}

.sheets-hf-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--border-color, #f1f5f9);
}

.sheets-hf-hint {
  font-size: 0.72rem;
  color: var(--text-muted, #64748b);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Dynamic field tags styling inside editable cell */
.hf-dynamic-field {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(16, 124, 65, 0.12);
  color: #107c41;
  font-weight: 600;
  font-size: 0.82rem;
  margin: 0 2px;
  user-select: all;
}

[data-theme="dark"] .hf-dynamic-field {
  background: rgba(16, 124, 65, 0.3);
  color: #34d399;
}

/* 2. Header & Footer Sidebar */
#sheets-header-footer-sidebar {
  position: fixed;
  top: 90px;
  right: 0;
  bottom: 30px;
  width: 330px;
  min-width: 330px;
  background: var(--bg-surface, #ffffff);
  border-left: 1px solid var(--border-color, #e2e8f0);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  user-select: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#sheets-header-footer-sidebar.collapsed {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}

#sheets-header-footer-sidebar:not(.collapsed) {
  transform: translateX(0);
  opacity: 1;
}

/* Sidebar Dark Theme Adaptation */
[data-theme="dark"] .sheets-header-zone,
[data-theme="dark"] .sheets-footer-zone {
  background: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .sheets-hf-cell {
  background: #0f172a;
  border-color: #334155;
  color: #f1f5f9;
}

[data-theme="dark"] .sheets-hf-cell:focus {
  background: #1e293b;
}

[data-theme="dark"] #sheets-header-footer-sidebar {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .hf-sidebar-top-bar {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .hf-top-tab {
  color: #e2e8f0;
}

[data-theme="dark"] .hf-preset-btn {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .hf-presets-menu {
  background: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .hf-preset-item {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .hf-element-btn {
  background: #1e293b;
  color: #e2e8f0;
}

[data-theme="dark"] .hf-elements-grid,
[data-theme="dark"] .hf-distance-row {
  background-color: #334155;
  border-color: #334155;
}

[data-theme="dark"] .hf-distance-field {
  background: #1e293b;
}

/* Sidebar Presets Popover styling */
.hf-presets-menu {
  position: fixed;
  width: 320px;
  max-width: 90vw;
  background: var(--bg-surface, #ffffff);
  border: 1.5px solid var(--border-color, #cbd5e1);
  border-radius: 8px;
  box-shadow: -4px 12px 36px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.08);
  z-index: 100005;
  padding: 12px;
  flex-direction: column;
  gap: 10px;
}

/* 3. Print Header & Footer Elements (Active during window.print) */
.sheets-print-header,
.sheets-print-footer {
  display: none;
}

@media print {
  /* Hide interactive editing zones and sidebar from print */
  .sheets-header-zone,
  .sheets-footer-zone,
  #sheets-header-footer-sidebar,
  .hf-presets-menu {
    display: none !important;
  }

  /* Show rendered print header at top of printed page */
  .sheets-print-header {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 38px;
    padding: 0 15px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #cbd5e1;
    font-size: 8.5pt;
    color: #334155;
    background: transparent !important;
    z-index: 9999;
  }

  /* Show rendered print footer at bottom of printed page */
  .sheets-print-footer {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 32px;
    padding: 0 15px;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #cbd5e1;
    font-size: 8.5pt;
    color: #334155;
    background: transparent !important;
    z-index: 9999;
  }

  .sheets-print-col-left {
    flex: 1;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sheets-print-col-center {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sheets-print-col-right {
    flex: 1;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Push table away from margins so it does not collide with header/footer */
  .grid-workspace {
    margin-top: 45px !important;
    margin-bottom: 40px !important;
  }
}

/* ==========================================================================
   Page Right to Left (RTL) Layout Mode for Sheets
   ========================================================================== */
.spreadsheet-scroller[dir="rtl"] {
  direction: rtl;
}

.spreadsheet-scroller[dir="rtl"] .spreadsheet-table {
  direction: rtl;
  transform-origin: top right;
}

/* Corner Header in RTL */
.spreadsheet-scroller[dir="rtl"] .spreadsheet-table thead th.corner-header {
  border-right: none;
  border-left: 1px solid var(--border-darker);
}

.spreadsheet-scroller[dir="rtl"] .spreadsheet-table thead th.corner-header::after {
  right: auto;
  left: 4px;
  border-width: 0 8px 8px 0;
  border-color: transparent transparent var(--border-darker) transparent;
}

/* Row Headers in RTL */
.spreadsheet-scroller[dir="rtl"] .spreadsheet-table tbody th.row-header {
  border-right: none;
  border-left: 1px solid var(--border-grid);
}

.spreadsheet-scroller[dir="rtl"] .spreadsheet-table tbody th.row-header.active-header {
  border-right: none;
  border-left: 2px solid var(--primary-color);
}

/* Column Headers in RTL */
.spreadsheet-scroller[dir="rtl"] .spreadsheet-table thead th {
  border-right: none;
  border-left: 1px solid var(--border-grid);
}

/* Column Resizers in RTL */
.spreadsheet-scroller[dir="rtl"] .col-resizer {
  right: auto;
  left: -3px;
}

/* Data Cells in RTL */
.spreadsheet-scroller[dir="rtl"] .spreadsheet-table tbody td.grid-cell {
  border-right: none;
  border-left: 1px solid var(--border-grid);
  text-align: right;
}

.spreadsheet-scroller[dir="rtl"] .spreadsheet-table.hide-gridlines tbody td.grid-cell {
  border-left-color: transparent;
  border-right-color: transparent;
}

/* AutoFilter Button in RTL */
.spreadsheet-scroller[dir="rtl"] .filter-header-cell {
  padding-right: 6px !important;
  padding-left: 22px !important;
}

.spreadsheet-scroller[dir="rtl"] .col-filter-btn {
  right: auto;
  left: 2px;
}

/* Freeze Panes in RTL */
.spreadsheet-scroller[dir="rtl"] .freeze-col-divider {
  border-right: none !important;
  border-left: 2.5px solid #107c41 !important;
  box-shadow: -2px 0 4px rgba(16, 124, 65, 0.2);
}

/* Fill Handle placement in RTL */
.spreadsheet-scroller[dir="rtl"] .fill-handle {
  right: auto;
  left: -5px;
}

/* Inline Floating Cell Editor in RTL */
.spreadsheet-scroller[dir="rtl"] .cell-inline-editor {
  direction: rtl;
  text-align: right;
}

/* Sheet Tab RTL Badge */
.sheet-tab .sheet-rtl-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 4px;
  background-color: rgba(16, 124, 65, 0.12);
  color: #107c41;
  border-radius: 3px;
  margin-left: 4px;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

[data-theme="dark"] .sheet-tab .sheet-rtl-badge {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
}


/* Mobile essential actions button visibility */
.mobile-only-group {
  display: none !important;
}

@media screen and (max-width: 768px) {
  .mobile-only-group {
    display: flex !important;
  }
}

/* ==========================================================================
   MS Excel Page Setup Ribbon Group & Modal Styles
   ========================================================================== */
.ms-page-setup-ribbon-group {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  padding: 2px 6px 1px 6px;
  gap: 1px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.ms-ps-buttons-row {
  display: flex;
  align-items: stretch;
  gap: 2px;
}

.ms-ps-ribbon-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-width: 48px;
  padding: 3px 6px 2px 6px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--text-main, #1e293b);
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
  font-family: inherit;
  position: relative;
}

.ms-ps-ribbon-btn:hover,
.ms-ps-ribbon-btn.active {
  background-color: #e2e8f0;
  border-color: #cbd5e1;
}

.ms-ps-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1px;
}

.ms-ps-label {
  font-size: 0.67rem;
  font-weight: 500;
  line-height: 1.08;
  text-align: center;
  color: var(--text-main, #1e293b);
  white-space: nowrap;
}

.ms-ps-caret,
.ms-ps-caret-inline {
  font-size: 0.52rem;
  color: var(--text-muted, #64748b);
  margin-top: 1px;
}

.ms-ps-group-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-top: 1px solid var(--border-color, #f1f5f9);
  padding-top: 1px;
  margin-top: 1px;
}

.ms-ps-group-title {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-muted, #64748b);
  letter-spacing: 0.01em;
}

.ms-ps-dialog-launcher {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 14px;
  height: 14px;
  border: none;
  background: transparent;
  color: var(--text-muted, #64748b);
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.ms-ps-dialog-launcher:hover {
  background: #e2e8f0;
  color: var(--primary-color, #107c41);
}

/* Dropdown Popovers for Page Setup Ribbon Buttons */
.ms-ps-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 225px;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 6px;
  box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.16), 0 4px 8px -2px rgba(0, 0, 0, 0.08);
  padding: 6px;
  z-index: 160;
  flex-direction: column;
  gap: 2px;
}

.ms-ps-dropdown.open {
  display: flex;
}

.ms-ps-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--text-main, #1e293b);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.12s ease;
}

.ms-ps-menu-item:hover {
  background-color: var(--primary-light, #ecfdf5);
}

.ms-ps-menu-item.active {
  background-color: var(--primary-light, #ecfdf5);
  border-color: rgba(16, 124, 65, 0.35);
}

.ms-ps-menu-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ms-ps-menu-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.25;
}

.ms-ps-menu-text strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main, #0f172a);
}

.ms-ps-menu-text small {
  font-size: 0.69rem;
  color: var(--text-muted, #64748b);
}

.ms-ps-menu-divider {
  height: 1px;
  background: var(--border-color, #e2e8f0);
  margin: 4px 0;
}

/* Page Setup Modal Tabs & Fieldsets */
.ms-ps-modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-toolbar, #f8fafc);
  padding: 0 16px;
  gap: 4px;
}

.ms-ps-modal-tab {
  padding: 9px 14px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted, #64748b);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.14s ease;
}

.ms-ps-modal-tab:hover {
  color: var(--text-main, #0f172a);
}

.ms-ps-modal-tab.active {
  color: var(--primary-color, #107c41);
  border-bottom-color: var(--primary-color, #107c41);
  background: var(--bg-surface, #ffffff);
}

.ms-ps-fieldset {
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 12px;
  background: var(--bg-surface, #ffffff);
}

.ms-ps-fieldset-title {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted, #64748b);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-color, #f1f5f9);
  padding-bottom: 4px;
}

.ms-ps-radio-card {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color, #e2e8f0);
}

.ms-ps-radio-card:hover {
  background: var(--bg-toolbar, #f8fafc);
}

/* Visual Grid Indicators for Page Breaks, Print Area, and Print Titles */
.spreadsheet-table tbody td.ps-page-break-row {
  border-top: 2.5px dashed #0284c7 !important;
}

.spreadsheet-table tbody td.ps-page-break-col {
  border-left: 2.5px dashed #0284c7 !important;
}

.spreadsheet-table tbody td.ps-print-area-top {
  border-top: 2px dashed #107c41 !important;
}

.spreadsheet-table tbody td.ps-print-area-bottom {
  border-bottom: 2px dashed #107c41 !important;
}

.spreadsheet-table tbody td.ps-print-area-left {
  border-left: 2px dashed #107c41 !important;
}

.spreadsheet-table tbody td.ps-print-area-right {
  border-right: 2px dashed #107c41 !important;
}

.spreadsheet-table tbody tr.ps-print-title-row th.row-header {
  background-color: #ffedd5 !important;
  color: #c2410c !important;
  font-weight: 700;
}

.spreadsheet-table thead th.ps-print-title-col {
  background-color: #ffedd5 !important;
  color: #c2410c !important;
  font-weight: 700;
}

/* Sheet Background Picture Support */
.spreadsheet-table.has-sheet-bg tbody td.grid-cell {
  background-color: rgba(255, 255, 255, 0.72);
}

[data-theme="dark"] .spreadsheet-table.has-sheet-bg tbody td.grid-cell {
  background-color: rgba(15, 23, 42, 0.74);
}

[data-theme="dark"] .ms-page-setup-ribbon-group {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .ms-ps-ribbon-btn:hover,
[data-theme="dark"] .ms-ps-ribbon-btn.active {
  background-color: #334155;
  border-color: #475569;
}

[data-theme="dark"] .ms-ps-dropdown {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .ms-ps-menu-item:hover,
[data-theme="dark"] .ms-ps-menu-item.active {
  background-color: rgba(16, 185, 129, 0.16);
}

/* ==========================================================================
   MS Excel Function Arguments Dialog Styles
   ========================================================================== */
.fx-args-dialog-overlay {
  position: fixed;
  top: 108px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1200;
  pointer-events: none; /* Allows clicking cells on the spreadsheet while dialog is open! */
}

.fx-args-dialog-card {
  pointer-events: auto;
  width: 680px;
  max-width: 96vw;
  background: var(--bg-toolbar, #f3f3f3);
  border: 1px solid #94a3b8;
  border-radius: 7px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.12);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main, #1e293b);
  overflow: hidden;
  user-select: none;
}

.fx-args-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface, #ffffff);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  cursor: move;
}

.fx-args-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main, #0f172a);
}

.fx-args-window-btns {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fx-args-win-btn {
  width: 26px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-muted, #475569);
  font-size: 0.95rem;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fx-args-win-btn:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.fx-args-close-btn:hover {
  background: #ef4444;
  color: #ffffff;
}

.fx-args-collapsed-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-surface, #ffffff);
}

.fx-args-collapsed-input {
  flex: 1;
  height: 26px;
  border: 1px solid #2563eb;
  border-radius: 3px;
  padding: 0 8px;
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
}

.fx-args-body {
  padding: 10px 14px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fx-args-fn-switcher-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  margin-bottom: 2px;
}

.fx-args-fn-switcher-row label {
  font-weight: 600;
  color: var(--text-muted, #475569);
}

.fx-args-fn-select {
  height: 26px;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 4px;
  padding: 0 8px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
  min-width: 170px;
}

/* Select2 styling inside Function Arguments dialog */
.fx-args-fn-switcher-row .select2-container {
  vertical-align: middle;
}
.fx-args-fn-switcher-row .select2-container .select2-selection--single {
  height: 28px !important;
  border: 1px solid var(--border-color, #cbd5e1) !important;
  border-radius: 4px !important;
  background: var(--bg-surface, #ffffff) !important;
  display: flex !important;
  align-items: center !important;
}
.fx-args-fn-switcher-row .select2-container .select2-selection--single .select2-selection__rendered {
  line-height: 26px !important;
  padding-left: 8px !important;
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  color: var(--text-main, #0f172a) !important;
}
.fx-args-fn-switcher-row .select2-container .select2-selection--single .select2-selection__arrow {
  height: 26px !important;
  right: 4px !important;
}
.select2-dropdown.select2-fx-dropdown {
  z-index: 999999 !important;
  font-size: 0.82rem !important;
}

.fx-args-fieldset {
  border: 1px solid var(--border-color, #d1d5db);
  border-radius: 3px;
  padding: 12px 16px 14px 16px;
  margin: 0;
  background: var(--bg-toolbar, #f8fafc);
  max-height: 210px;
  overflow-y: auto;
}

.fx-args-fieldset legend {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0 6px;
  color: var(--text-main, #0f172a);
}

.fx-args-rows-container {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.fx-args-row {
  display: grid;
  grid-template-columns: 155px 250px 1fr;
  align-items: center;
  gap: 10px;
}

.fx-args-arg-label {
  text-align: right;
  font-size: 0.82rem;
  color: var(--text-main, #1e293b);
  padding-right: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fx-args-arg-label.required {
  font-weight: 700;
}

.fx-args-input-wrap {
  display: flex;
  align-items: center;
  border: 1px solid #94a3b8;
  background: var(--bg-surface, #ffffff);
  height: 26px;
  border-radius: 2px;
  overflow: hidden;
}

.fx-args-input-wrap:focus-within {
  border-color: #0284c7;
  box-shadow: 0 0 0 1px rgba(2, 132, 199, 0.25);
}

.fx-args-input {
  flex: 1;
  border: none;
  outline: none;
  height: 100%;
  padding: 0 7px;
  font-size: 0.82rem;
  font-family: inherit;
  background: transparent;
  color: var(--text-main, #0f172a);
  min-width: 0;
}

.fx-args-ref-btn {
  width: 24px;
  height: 24px;
  border: none;
  border-left: 1px solid #cbd5e1;
  background: var(--bg-toolbar, #f8fafc);
  color: var(--text-main, #0f172a);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
}

.fx-args-ref-btn:hover {
  background: #e2e8f0;
  color: #0284c7;
}

.fx-args-arg-eval {
  font-size: 0.8rem;
  color: var(--text-muted, #64748b);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fx-args-arg-eval strong {
  font-weight: 600;
  color: var(--text-muted, #64748b);
}

.fx-args-overall-eq-row {
  padding-left: 390px;
  font-size: 0.82rem;
  color: var(--text-main, #1e293b);
  min-height: 18px;
}

.fx-args-descriptions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.82rem;
  min-height: 64px;
  padding: 2px 2px;
}

.fx-args-fn-desc {
  color: var(--text-main, #1e293b);
}

.fx-args-arg-desc-row {
  display: grid;
  grid-template-columns: 165px 1fr;
  gap: 10px;
  align-items: start;
}

.fx-args-arg-desc-name {
  text-align: right;
  font-weight: 700;
  color: var(--text-main, #0f172a);
}

.fx-args-arg-desc-text {
  color: var(--text-main, #334155);
  line-height: 1.4;
}

.fx-args-divider {
  height: 1px;
  background: var(--border-color, #d1d5db);
  margin: 4px 0;
}

.fx-args-result-row {
  font-size: 0.83rem;
  color: var(--text-main, #0f172a);
  padding: 2px 0 4px 0;
}

.fx-args-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 4px;
}

.fx-args-help-link {
  font-size: 0.8rem;
  color: #0066cc;
  text-decoration: underline;
  cursor: pointer;
}

.fx-args-footer-btns {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fx-args-btn {
  min-width: 88px;
  height: 28px;
  border-radius: 3px;
  font-size: 0.82rem;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid #94a3b8;
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
  transition: all 0.12s ease;
}

.fx-args-btn-ok {
  border: 1.5px solid #0067c0;
}

.fx-args-btn:hover {
  background: #e2e8f0;
}

[data-theme="dark"] .fx-args-dialog-card {
  background: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .fx-args-titlebar,
[data-theme="dark"] .fx-args-collapsed-bar {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .fx-args-fieldset {
  background: #0f172a;
  border-color: #334155;
}

[data-theme="dark"] .fx-args-input-wrap {
  background: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .fx-args-ref-btn {
  background: #0f172a;
  border-color: #475569;
}

[data-theme="dark"] .fx-args-btn {
  background: #0f172a;
  border-color: #475569;
  color: #f8fafc;
}

[data-theme="dark"] .fx-args-help-link {
  color: #38bdf8;
}

@media screen and (max-width: 640px) {
  .fx-args-row {
    grid-template-columns: 110px 1fr 75px;
    gap: 6px;
  }
  .fx-args-overall-eq-row {
    padding-left: 120px;
  }
  .fx-args-arg-desc-row {
    grid-template-columns: 110px 1fr;
  }
}

/* ==========================================================================
   MS Excel Sparklines, Slicers & Timelines Styles
   ========================================================================== */
.ms-slicer-col-picker-list {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 6px;
  padding: 8px;
  background: var(--bg-surface, #ffffff);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ms-slicer-col-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 0.84rem;
  color: var(--text-main, #1e293b);
  cursor: pointer;
  transition: background-color 0.12s ease;
}

.ms-slicer-col-item:hover {
  background-color: var(--bg-toolbar, #f1f5f9);
}

.sheet-slicers-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  z-index: 45;
  pointer-events: none;
}

/* Floating Slicer & Timeline Widget Card (MS Excel Style) */
.ms-slicer-card {
  position: absolute;
  pointer-events: auto;
  width: 210px;
  background: var(--bg-surface, #ffffff);
  border: 1.5px solid #93c5fd;
  border-radius: 5px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.16), 0 2px 6px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  user-select: none;
  overflow: hidden;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

.ms-slicer-card.ms-timeline-card {
  width: 310px;
  border-color: #7dd3fc;
}

.ms-slicer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: #eff6ff;
  border-bottom: 1px solid #bfdbfe;
  cursor: move;
}

.ms-timeline-card .ms-slicer-header {
  background: #f0f9ff;
  border-bottom-color: #bae6fd;
}

.ms-slicer-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #1e3a8a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ms-slicer-actions {
  display: flex;
  align-items: center;
  gap: 3px;
}

.ms-slicer-hdr-btn {
  width: 22px;
  height: 22px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: #475569;
  font-size: 0.72rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all 0.12s ease;
}

.ms-slicer-hdr-btn:hover {
  background: #dbeafe;
  color: #1d4ed8;
  border-color: #93c5fd;
}

.ms-slicer-hdr-btn.active {
  background: #2563eb;
  color: #ffffff;
}

.ms-slicer-hdr-btn.clear-btn {
  color: #dc2626;
}

.ms-slicer-hdr-btn.clear-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.ms-slicer-body {
  padding: 8px;
  max-height: 195px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ms-slicer-item-btn {
  width: 100%;
  padding: 5px 10px;
  border: 1px solid #bfdbfe;
  border-radius: 3px;
  background: #f8fafc;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.1s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ms-slicer-item-btn:hover {
  background: #e0f2fe;
  border-color: #60a5fa;
  color: #0f172a;
}

.ms-slicer-item-btn.selected {
  background: #3b82f6;
  border-color: #2563eb;
  color: #ffffff;
  font-weight: 600;
}

/* Timeline Period Switcher & Horizontal Scroller */
.ms-timeline-subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 10px;
  background: var(--bg-surface, #ffffff);
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  font-size: 0.72rem;
}

.ms-timeline-range-label {
  color: #0284c7;
  font-weight: 600;
}

.ms-timeline-level-select {
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-main, #334155);
  background: var(--bg-toolbar, #f8fafc);
  padding: 1px 4px;
  cursor: pointer;
}

.ms-timeline-tiles-row {
  display: flex;
  align-items: stretch;
  gap: 4px;
  padding: 10px 8px;
  overflow-x: auto;
}

.ms-timeline-tile {
  min-width: 58px;
  padding: 6px 8px;
  border: 1px solid #cbd5e1;
  border-radius: 3px;
  background: #f1f5f9;
  color: #475569;
  font-size: 0.74rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.12s ease;
}

.ms-timeline-tile:hover {
  background: #e0f2fe;
  border-color: #38bdf8;
}

.ms-timeline-tile.selected {
  background: #0284c7;
  border-color: #0369a1;
  color: #ffffff;
}

[data-theme="dark"] .ms-slicer-card {
  background: #1e293b;
  border-color: #3b82f6;
}
[data-theme="dark"] .ms-slicer-header {
  background: #0f172a;
  border-color: #334155;
}
[data-theme="dark"] .ms-slicer-title {
  color: #93c5fd;
}
[data-theme="dark"] .ms-slicer-item-btn,
[data-theme="dark"] .ms-timeline-tile {
  background: #0f172a;
  border-color: #334155;
  color: #94a3b8;
}
[data-theme="dark"] .ms-slicer-item-btn.selected {
  background: #2563eb;
  border-color: #3b82f6;
  color: #ffffff;
}
[data-theme="dark"] .ms-timeline-tile.selected {
  background: #0284c7;
  border-color: #38bdf8;
  color: #ffffff;
}

/* ==========================================================================
   MS Excel Workbook Views & Show Ribbon Group (Normal, Page Break Preview, Page Layout, Custom Views)
   ========================================================================== */

/* Active state for Workbook Views ribbon buttons */
.ms-ps-ribbon-btn.active {
  background-color: #cbd5e1;
  border-color: #94a3b8;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.12);
}

[data-theme="dark"] .ms-ps-ribbon-btn.active {
  background-color: #334155;
  border-color: #64748b;
  color: #f8fafc;
}

/* Show Ribbon Group 2x2 Checkbox Grid */
.ms-show-checkbox-grid {
  display: grid !important;
  grid-template-columns: auto auto;
  grid-template-rows: 1fr 1fr;
  column-gap: 14px;
  row-gap: 4px;
  padding: 4px 8px !important;
  align-items: center;
}

.ms-show-chk-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-main, #1e293b);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  line-height: 1.2;
}

.ms-show-chk-label input[type="checkbox"] {
  width: 13px;
  height: 13px;
  margin: 0;
  accent-color: #107c41;
  cursor: pointer;
}

.ms-show-chk-label.is-disabled {
  color: #94a3b8;
  cursor: not-allowed;
  opacity: 0.65;
}

.ms-show-chk-label.is-disabled input[type="checkbox"] {
  cursor: not-allowed;
}

/* Status Bar Quick Workbook View Switcher */
.status-view-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding-right: 8px;
  margin-right: 6px;
  border-right: 1px solid var(--border-color, #cbd5e1);
}

.status-view-btn {
  width: 24px;
  height: 22px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: var(--text-muted, #64748b);
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all 0.12s ease;
}

.status-view-btn:hover {
  background: rgba(16, 124, 65, 0.1);
  color: #107c41;
}

.status-view-btn.active {
  background: rgba(16, 124, 65, 0.16);
  border-color: rgba(16, 124, 65, 0.35);
  color: #107c41;
}

/* Page Layout Horizontal Ruler */
.sheets-page-layout-ruler {
  display: flex;
  align-items: center;
  height: 22px;
  background: #f1f5f9;
  border-bottom: 1px solid #cbd5e1;
  font-family: 'Segoe UI', -apple-system, sans-serif;
  font-size: 0.65rem;
  color: #64748b;
  user-select: none;
  overflow: hidden;
  flex-shrink: 0;
}

.sheets-ruler-corner {
  width: 46px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e2e8f0;
  border-right: 1px solid #cbd5e1;
  font-weight: 700;
  font-size: 0.62rem;
  color: #475569;
  flex-shrink: 0;
}

.sheets-ruler-track {
  display: flex;
  align-items: stretch;
  height: 100%;
  flex: 1;
}

.sheets-ruler-inch {
  width: 96px;
  height: 100%;
  border-right: 1px solid #94a3b8;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-image: linear-gradient(to right,
    transparent 11px, #cbd5e1 11px, #cbd5e1 12px,
    transparent 12px, transparent 23px, #94a3b8 23px, #94a3b8 24px,
    transparent 24px, transparent 35px, #cbd5e1 35px, #cbd5e1 36px,
    transparent 36px, transparent 47px, #64748b 47px, #64748b 48px,
    transparent 48px, transparent 59px, #cbd5e1 59px, #cbd5e1 60px,
    transparent 60px, transparent 71px, #94a3b8 71px, #94a3b8 72px,
    transparent 72px, transparent 83px, #cbd5e1 83px, #cbd5e1 84px,
    transparent 84px);
  background-size: 96px 5px;
  background-repeat: no-repeat;
  background-position: bottom left;
}

.sheets-ruler-inch span {
  font-weight: 600;
  color: #475569;
  background: #f1f5f9;
  padding: 0 3px;
  line-height: 1;
  margin-bottom: 3px;
}

[data-theme="dark"] .sheets-page-layout-ruler {
  background: #0f172a;
  border-bottom-color: #334155;
}
[data-theme="dark"] .sheets-ruler-corner {
  background: #1e293b;
  border-right-color: #334155;
  color: #94a3b8;
}
[data-theme="dark"] .sheets-ruler-inch span {
  background: #0f172a;
  color: #94a3b8;
}

/* Page Layout Workspace Framing */
.grid-workspace.wb-view-page-layout {
  background: #cbd5e1;
  padding: 14px 22px;
  gap: 10px;
}

[data-theme="dark"] .grid-workspace.wb-view-page-layout {
  background: #090d16;
}

.grid-workspace.wb-view-page-layout .sheets-page-layout-ruler {
  margin: -14px -22px 6px -22px;
}

.grid-workspace.wb-view-page-layout .spreadsheet-scroller {
  background: var(--bg-surface, #ffffff);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(15, 23, 42, 0.08);
  border-radius: 2px;
}

/* Page Break Preview Mode & Watermark Overlay */
.grid-workspace.wb-view-page-break .spreadsheet-scroller {
  background: #64748b;
}

.spreadsheet-table.wb-page-break-table tbody td.wb-pb-col-border {
  border-right: 2.5px dashed #1d4ed8 !important;
}

.spreadsheet-table.wb-page-break-table tbody td.wb-pb-row-border {
  border-bottom: 2.5px dashed #1d4ed8 !important;
}

.spreadsheet-table.wb-page-break-table tbody td.wb-pb-outer-right {
  border-right: 3px solid #1e40af !important;
}

.spreadsheet-table.wb-page-break-table tbody td.wb-pb-outer-bottom {
  border-bottom: 3px solid #1e40af !important;
}

.sheet-page-break-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  pointer-events: none;
  z-index: 20;
}

.wb-page-watermark {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', -apple-system, sans-serif;
  font-size: 2.3rem;
  font-weight: 800;
  color: rgba(100, 116, 139, 0.28);
  letter-spacing: 0.03em;
  pointer-events: none;
  user-select: none;
  text-transform: none;
}

[data-theme="dark"] .wb-page-watermark {
  color: rgba(148, 163, 184, 0.25);
}

/* Custom Views Modal Listbox */
.ms-custom-views-listbox {
  flex: 1;
  min-height: 165px;
  max-height: 210px;
  overflow-y: auto;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 5px;
  background: var(--bg-surface, #ffffff);
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ms-custom-view-row {
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.83rem;
  color: var(--text-main, #1e293b);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.ms-custom-view-row:hover {
  background: var(--bg-toolbar, #f1f5f9);
}

.ms-custom-view-row.selected {
  background: #dbeafe;
  color: #1e3a8a;
  font-weight: 600;
}

[data-theme="dark"] .ms-custom-view-row.selected {
  background: #1e3a8a;
  color: #eff6ff;
}

/* ==========================================================================
   Data Validation (Settings / Input Message / Error Alert) & Data Tools group
   ========================================================================== */
.dv-tabs {
  display: flex;
  gap: 2px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color, #cbd5e1);
}
.dv-tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 5px 5px 0 0;
  padding: 7px 16px;
  font-size: 0.82rem;
  color: var(--text-muted, #64748b);
  cursor: pointer;
  margin-bottom: -1px;
}
.dv-tab:hover { color: var(--text-main, #1e293b); }
.dv-tab.active {
  background: var(--bg-surface, #ffffff);
  border-color: var(--border-color, #cbd5e1);
  color: var(--text-main, #1e293b);
  font-weight: 600;
}
.dv-field { margin-bottom: 10px; }
.dv-field label {
  display: block;
  font-weight: 600;
  font-size: 0.82rem;
  margin-bottom: 4px;
}
.dv-field .form-input { width: 100%; }
.dv-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  margin: 6px 0;
  cursor: pointer;
}
.dv-active-arrow {
  position: absolute;
  width: 17px;
  height: 17px;
  z-index: 40;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border: 1px solid #94a3b8;
  color: #334155;
  font-size: 0.7rem;
  cursor: pointer;
}
.dv-active-arrow:hover { background: #e2e8f0; }
.dv-input-tip {
  position: absolute;
  z-index: 41;
  max-width: 240px;
  background: #fffbe6;
  color: #1e293b;
  border: 1px solid #a3a3a3;
  box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.2);
  padding: 6px 9px;
  font-size: 0.78rem;
  line-height: 1.35;
  pointer-events: none;
}
.spreadsheet-table tbody td.grid-cell.dv-invalid-circle {
  box-shadow: inset 0 0 0 2px #dc2626;
  border-radius: 50% / 40%;
}
.dv-ribbon-menu { min-width: 200px; z-index: 100060; }
[data-theme="dark"] .dv-input-tip { background: #3b3a2a; color: #f1f5f9; border-color: #64748b; }
[data-theme="dark"] .dv-active-arrow { background: #334155; border-color: #64748b; color: #e2e8f0; }
.ms-img-mini-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 6px;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
  padding: 4px;
}
.ms-img-mini-item {
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 4px;
  padding: 7px 10px;
  font-size: 0.78rem;
  color: var(--text-main, #1e293b);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}
.ms-img-mini-item:hover { background: var(--bg-toolbar, #f1f5f9); color: #2563eb; }

/* ===== Real sticky Freeze Panes ===== */
.spreadsheet-table td.freeze-cell,
.spreadsheet-table tbody th.row-header.freeze-cell { position: sticky; z-index: 12; background-color: var(--bg-surface); }
.spreadsheet-table td.freeze-cell-corner { z-index: 14; }
.spreadsheet-table tbody th.row-header.freeze-cell { z-index: 16; background-color: var(--bg-header-cell); }
.spreadsheet-table thead th.col-header.freeze-cell { position: sticky; z-index: 22; }
.spreadsheet-table thead th.freeze-cell { background-color: var(--bg-header-cell); }
.freeze-ribbon-menu { position: absolute; top: 100%; left: 0; z-index: 3000; width: 360px; background: var(--bg-surface, #fff); border: 1px solid var(--border-color, #d1d5db); border-radius: 4px; box-shadow: 0 8px 24px rgba(0,0,0,.18); padding: 4px 0; }
.freeze-opt { display: flex; gap: 12px; align-items: flex-start; width: 100%; text-align: left; padding: 8px 12px; background: transparent; border: none; cursor: pointer; color: var(--text-main); }
.freeze-opt:hover { background: var(--bg-toolbar, #f1f5f9); }
.freeze-opt svg { flex-shrink: 0; }
.freeze-opt b { display: block; font-size: .82rem; margin-bottom: 2px; }
.freeze-opt small { display: block; font-size: .75rem; color: var(--text-muted); line-height: 1.3; }

/* In RTL mode, selection-box and editor right/left are dynamically managed by script */
.spreadsheet-scroller[dir="rtl"] .selection-box {
  left: auto;
}

.spreadsheet-scroller[dir="rtl"] .cell-inline-editor {
  left: auto;
}


/* ==========================================================================
   Mobile Multi-Cell Selection Handles & Touch UX (Excel/Google Sheets style)
   ========================================================================== */
.mobile-selection-handle {
  display: none;
  position: absolute;
  width: 14px;
  height: 14px;
  background-color: #107c41;
  border: 2.5px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
  touch-action: none;
  z-index: 25;
  cursor: grab;
}

.mobile-selection-handle:active {
  cursor: grabbing;
  transform: scale(1.25);
  background-color: #0b5c30;
}

.mobile-selection-handle.handle-tl {
  top: -7px;
  left: -7px;
}

.mobile-selection-handle.handle-br {
  bottom: -7px;
  right: -7px;
}

/* In RTL sheets, swap or position correctly */
.spreadsheet-scroller[dir="rtl"] .mobile-selection-handle.handle-tl {
  left: auto;
  right: -7px;
}
.spreadsheet-scroller[dir="rtl"] .mobile-selection-handle.handle-br {
  right: auto;
  left: -7px;
}

/* Touch devices or narrow screens: show handles and enlarge touch target */
@media (pointer: coarse), (max-width: 900px) {
  .mobile-selection-handle {
    display: block;
    width: 18px;
    height: 18px;
  }
  .mobile-selection-handle.handle-tl {
    top: -9px;
    left: -9px;
  }
  .mobile-selection-handle.handle-br {
    bottom: -9px;
    right: -9px;
  }
  .spreadsheet-scroller[dir="rtl"] .mobile-selection-handle.handle-tl {
    left: auto;
    right: -9px;
  }
  .spreadsheet-scroller[dir="rtl"] .mobile-selection-handle.handle-br {
    right: auto;
    left: -9px;
  }
  .fill-handle {
    width: 16px;
    height: 16px;
    right: -8px;
    bottom: -8px;
    border-radius: 3px;
  }
  .spreadsheet-scroller[dir="rtl"] .fill-handle {
    right: auto;
    left: -8px;
  }
  .grid-cell {
    -webkit-user-select: none;
    user-select: none;
  }
}

/* Hyperlinks in Sheet Cells */
.sheet-cell-link {
  color: #1155cc;
  text-decoration: underline;
  cursor: pointer;
  pointer-events: auto;
  transition: color 0.15s ease;
}

.sheet-cell-link:hover {
  color: #1a73e8;
  text-decoration: underline;
}

[data-theme="dark"] .sheet-cell-link {
  color: #8ab4f8;
}

[data-theme="dark"] .sheet-cell-link:hover {
  color: #aecbfa;
}