/* ==========================================================================
   Infinity Slides - Presentation Deck & Slideshow Stylesheet
   Theme: PowerPoint / Google Slides modern presentation studio
   Primary accent: Orange #ea580c / #c2410c
   ========================================================================== */

:root {
  --primary-color: #ea580c;
  --primary-hover: #c2410c;
  --primary-light: #fff7ed;
  --primary-border: #fdba74;
  --selection-fill: rgba(234, 88, 12, 0.12);
  --selection-border: #ea580c;
  --bg-app: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-toolbar: #f8fafc;
  --bg-canvas: #e2e8f0;
  --border-color: #e2e8f0;
  --border-darker: #cbd5e1;
  --text-main: #0f172a;
  --text-color: #0f172a;
  --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, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --slide-w: 960px;
  --slide-h: 540px; /* 16:9 widescreen default */
  --slide-aspect: 16 / 9;
}

[data-theme="dark"] {
  --primary-color: #f97316;
  --primary-hover: #fb923c;
  --primary-light: rgba(249, 115, 22, 0.15);
  --primary-border: #ea580c;
  --bg-app: #0f172a;
  --bg-surface: #1e293b;
  --bg-toolbar: #1e293b;
  --bg-canvas: #090d16;
  --border-color: #334155;
  --border-darker: #475569;
  --text-main: #f8fafc;
  --text-color: #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(234, 88, 12, 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.notes-pill.active {
  color: #d97706;
}

.stat-pill {
  font-size: 0.75rem;
  background-color: var(--primary-light);
  color: var(--primary-color);
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--primary-border);
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
}

.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(--bg-toolbar);
  border-color: var(--border-darker);
}

.btn-play {
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #ffffff;
  border-color: #15803d;
}

.btn-play:hover {
  background: linear-gradient(135deg, #15803d, #166534);
}

/* ==========================================================================
   Menu Bar
   ========================================================================== */
.menu-bar {
  height: 30px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 10px;
  flex-shrink: 0;
  z-index: 50;
}

.menu-item {
  position: relative;
  font-size: 0.8rem;
  color: var(--text-main);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
}

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

.dropdown-menu {
  display: none !important;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  padding: 4px;
  z-index: 1000;
}

.menu-bar .menu-item.active > .dropdown-menu,
.dropdown-menu.open {
  display: block !important;
}

/* Restore native display types for special dropdown menu variants when open */
.dropdown-menu.slide-layout-grid.open {
  display: grid !important;
}

.dropdown-menu.theme-chips.open {
  display: flex !important;
}

.dropdown-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 6px 10px;
  border: none;
  background: none;
  font-size: 0.8rem;
  color: var(--text-main);
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  gap: 8px;
  transition: all 0.12s ease;
}

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

.dropdown-item .shortcut,
.dropdown-item .menu-shortcut {
  margin-left: auto;
  font-size: 0.7rem;
  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: 14px;
}

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: 0.7rem !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: 0.7rem !important;
  color: var(--text-muted);
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
}

.dropdown-menu hr {
  margin: 4px 0;
  border: none;
  border-top: 1px solid var(--border-color);
}

/* Submenu Flyout (Appearance, etc.) */
.dropdown-submenu-item {
  position: relative;
}

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

.submenu-flyout {
  display: none !important;
  position: absolute;
  top: -6px;
  left: 100%;
  min-width: 240px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  padding: 4px;
  z-index: 1001;
}

.has-submenu {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

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

.menu-zoom-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-main);
  font-weight: 500;
}

.menu-zoom-left i {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.menu-zoom-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.menu-zoom-btn {
  width: 26px;
  height: 26px;
  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: 0.75rem;
  transition: all 0.15s ease;
  padding: 0;
}

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

.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;
}

.menu-zoom-label:hover {
  background: var(--bg-surface-hover);
}

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

/* ==========================================================================
   Action Toolbar
   ========================================================================== */
.main-toolbar,
.toolbar {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  white-space: nowrap;
  padding: 3px 8px;
  flex-shrink: 0;
  position: relative;
  z-index: 40;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.main-toolbar::-webkit-scrollbar,
.toolbar::-webkit-scrollbar {
  display: none;
}

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

.toolbar-dropdown-wrapper {
  position: relative;
  display: inline-flex;
}

.toolbar-divider {
  width: 1px;
  height: 18px;
  background-color: var(--border-color);
  margin: 0 3px;
  flex-shrink: 0;
}

.tool-btn {
  min-width: 26px;
  height: 26px;
  padding: 0 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--text-main);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.12s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.tool-btn span {
  white-space: nowrap;
}

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

.tool-btn.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-color: var(--primary-border);
}

.tool-select,
.tool-input {
  height: 28px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 0 6px;
  font-size: 0.78rem;
  cursor: pointer;
  outline: none;
}

.tool-input {
  cursor: text;
  text-align: center;
  box-sizing: border-box;
  padding: 0;
  line-height: 26px;
}

.tool-input::-webkit-inner-spin-button,
.tool-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.tool-input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

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

.size-input {
  width: 58px;
}

.tool-color-btn {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: 1px solid transparent;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 5px;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}

.tool-color-btn:hover {
  background-color: var(--bg-toolbar);
  border-color: var(--border-color);
}

.tool-color-btn i {
  font-size: 0.78rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 14px;
}

.tool-color-btn .color-bar {
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 1px;
  margin-top: 0;
}

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

/* ==========================================================================
   Main Workspace: Slide Filmstrip (Left) + Slide Stage (Center)
   ========================================================================== */
.slides-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  background-color: var(--bg-canvas);
  position: relative;
}

/* Left Filmstrip Thumbnail Panel */
.slides-filmstrip {
  width: 200px;
  min-width: 160px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 10;
}

.filmstrip-header {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filmstrip-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.filmstrip-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  outline: none;
}

.slides-filmstrip:focus-within {
  box-shadow: inset -2px 0 0 var(--primary-color);
}

/* Slide Thumbnail Card */
.slide-thumb-card {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  position: relative;
  transition: transform 0.12s ease;
  outline: none;
}

.slide-thumb-card:focus-visible .slide-thumb-frame {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.slide-thumb-card.dragging {
  opacity: 0.35;
  transform: scale(0.96);
}

.slide-thumb-card.drag-over .slide-thumb-frame {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.35) !important;
}

.slide-thumb-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 16px;
  text-align: right;
  padding-top: 4px;
}

.slide-thumb-frame {
  flex: 1;
  aspect-ratio: var(--slide-aspect, 16 / 9);
  background: #ffffff;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  display: block;
  padding: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  pointer-events: auto;
}

.slide-thumb-card:hover .slide-thumb-frame {
  border-color: #fdba74;
}

.slide-thumb-card.active .slide-thumb-frame {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(234, 88, 12, 0.25);
}

/* Scaled Real Slide Canvas Preview */
.slide-thumb-canvas {
  width: var(--slide-w, 960px);
  height: var(--slide-h, 540px);
  position: absolute;
  top: 0;
  left: 0;
  transform: scale(var(--thumb-scale, 0.1625));
  transform-origin: 0 0;
  pointer-events: none;
  user-select: none;
  overflow: hidden;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.slide-thumb-canvas,
.slide-thumb-canvas * {
  pointer-events: none !important;
  user-select: none !important;
}

.slide-thumb-canvas [contenteditable] {
  -webkit-user-modify: read-only !important;
}

/* Slide elements within thumbnail */
.slide-thumb-element {
  position: absolute;
  box-sizing: border-box;
  cursor: default;
  outline: none;
  line-height: 1.25;
}

.slide-thumb-element .slide-text-body {
  width: 100%;
  height: 100%;
  outline: none;
}

.slide-thumb-element .office-shape-container {
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  display: block !important;
}

.slide-thumb-element .smartart-wrapper {
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.slide-thumb-element .smartart-rendered-body {
  flex: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-thumb-element .smartart-container {
  width: 100%;
  height: 100%;
}

/* Hide editing handles, controls, and action toolbars in thumbnail */
.slide-thumb-canvas .smartart-toolbar,
.slide-thumb-canvas .smartart-action-btn,
.slide-thumb-canvas .smartart-del-btn,
.slide-thumb-canvas .smartart-add-btn,
.slide-thumb-canvas .smartart-color-pill,
.slide-thumb-canvas .slide-el-handle,
.slide-thumb-canvas .slide-el-rot-stem,
.slide-thumb-canvas .slide-el-rot-handle,
.slide-thumb-canvas .slide-rotate-tooltip,
.slide-thumb-canvas .shape-handle,
.slide-thumb-canvas .shape-rotator-stem,
.slide-thumb-canvas .shape-selection-outline,
.slide-thumb-canvas .shape-rotate-tooltip,
.slide-thumb-canvas .img-handle,
.slide-thumb-canvas .img-rotator-stem,
.slide-thumb-canvas .img-selection-outline,
.slide-thumb-canvas .img-rotate-tooltip,
.slide-thumb-canvas .img-move-overlay {
  display: none !important;
}

.slide-thumb-del-btn {
  display: none;
  position: absolute;
  top: 3px;
  right: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.9);
  color: #ffffff;
  border: none;
  font-size: 0.65rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  pointer-events: auto;
}

.slide-thumb-card:hover .slide-thumb-del-btn {
  display: flex;
}

/* ==========================================================================
   Center Slide Stage & Speaker Notes Area
   ========================================================================== */
.slides-main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  height: 100%;
}

.slide-stage-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 24px;
  position: relative;
  min-height: 180px;
}

/* Speaker Notes Panel (Google Slides / PowerPoint style) */
.speaker-notes-panel {
  height: 140px;
  min-height: 38px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: height 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
  z-index: 20;
}

.speaker-notes-panel.collapsed {
  height: 38px !important;
}

.speaker-notes-resizer {
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 8px;
  cursor: ns-resize;
  z-index: 25;
}

.speaker-notes-resizer:hover,
.speaker-notes-resizer:active {
  background: rgba(234, 88, 12, 0.3);
}

.speaker-notes-header {
  height: 38px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  user-select: none;
  cursor: pointer;
  flex-shrink: 0;
}

.speaker-notes-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.speaker-notes-title i {
  color: var(--primary-color);
  font-size: 0.88rem;
}

.speaker-notes-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.speaker-notes-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.btn-notes-action {
  background: none;
  border: none;
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-notes-action:hover {
  background-color: var(--border-color);
  color: var(--text-color);
}

.speaker-notes-body {
  flex: 1;
  padding: 8px 14px;
  overflow: hidden;
  display: flex;
  background-color: var(--bg-surface);
}

.speaker-notes-panel.collapsed .speaker-notes-body {
  display: none !important;
}

.speaker-notes-input {
  width: 100% !important;
  height: 100% !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  resize: none !important;
  background: transparent !important;
  color: var(--text-color, var(--text-main, #0f172a)) !important;
  font-family: inherit;
  font-size: 0.86rem;
  line-height: 1.5;
  box-sizing: border-box;
}

.speaker-notes-input::placeholder {
  color: var(--text-muted, #64748b);
  font-style: italic;
  opacity: 0.75;
}

/* The actual 16:9 presentation slide canvas */
.slide-canvas {
  width: var(--slide-w);
  height: var(--slide-h);
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22), 0 10px 10px rgba(0, 0, 0, 0.12);
  position: relative;
  overflow: hidden;
  transform-origin: center center;
  transition: transform 0.15s ease, background-color 0.2s ease;
  user-select: text;
}

/* Slide inner elements (Title, Subtitle, Textboxes, Shapes, Images) */
.slide-element {
  position: absolute;
  box-sizing: border-box;
  cursor: move;
  outline: none;
  user-select: text;
  transition: box-shadow 0.1s ease;
}

.slide-element.selected {
  outline: 1.5px dashed var(--primary-color);
  outline-offset: 3px;
}

.slide-element .office-shape-container {
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  display: block !important;
}

.office-shape-container[data-fill-type="gradient"] .office-shape-svg *[fill]:not([fill="none"]),
.office-shape-container[data-fill-type="gradient"] .office-shape-svg path,
.office-shape-container[data-fill-type="gradient"] .office-shape-svg polygon,
.office-shape-container[data-fill-type="gradient"] .office-shape-svg rect,
.office-shape-container[data-fill-type="gradient"] .office-shape-svg circle,
.office-shape-container[data-fill-type="gradient"] .office-shape-svg ellipse {
  fill: transparent !important;
}

.slide-element .smartart-wrapper {
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.slide-element .smartart-rendered-body {
  flex: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-element .smartart-container {
  width: 100%;
  height: 100%;
}

/* In slide elements, the parent .slide-element provides the handles and rotator */
.slide-element .office-shape-container .shape-handle,
.slide-element .office-shape-container .shape-rotator-stem,
.slide-element .office-shape-container .shape-selection-outline,
.slide-element .office-shape-container .shape-rotate-tooltip,
.slide-element .img-handle,
.slide-element .img-rotator-stem,
.slide-element .img-selection-outline,
.slide-element .img-rotate-tooltip,
.slide-element .img-move-overlay {
  display: none !important;
}

/* Slide Element 8 Resize Handles (MS Office / Google Slides style square handles) */
.slide-el-handle {
  display: none;
  position: absolute;
  width: 9px;
  height: 9px;
  background: #ffffff;
  border: 1.5px solid var(--primary-color);
  border-radius: 1px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
  z-index: 30;
  pointer-events: auto;
}

.slide-element.selected .slide-el-handle {
  display: block;
}

.slide-el-handle.handle-nw { top: -7.5px; left: -7.5px; cursor: nwse-resize; }
.slide-el-handle.handle-n  { top: -7.5px; left: calc(50% - 4.5px); cursor: ns-resize; }
.slide-el-handle.handle-ne { top: -7.5px; right: -7.5px; cursor: nesw-resize; }
.slide-el-handle.handle-e  { top: calc(50% - 4.5px); right: -7.5px; cursor: ew-resize; }
.slide-el-handle.handle-se { bottom: -7.5px; right: -7.5px; cursor: nwse-resize; }
.slide-el-handle.handle-s  { bottom: -7.5px; left: calc(50% - 4.5px); cursor: ns-resize; }
.slide-el-handle.handle-sw { bottom: -7.5px; left: -7.5px; cursor: nesw-resize; }
.slide-el-handle.handle-w  { top: calc(50% - 4.5px); left: -7.5px; cursor: ew-resize; }

/* Rotation Stem Line extending upward from top-center */
.slide-el-rot-stem {
  display: none;
  position: absolute;
  top: -24px;
  left: 50%;
  width: 1.5px;
  height: 24px;
  background-color: var(--primary-color);
  pointer-events: none;
  z-index: 28;
}

.slide-element.selected .slide-el-rot-stem {
  display: block;
}

/* Circular Rotation Handle at top of stem */
.slide-el-rot-handle {
  display: none;
  position: absolute;
  top: -30px;
  left: calc(50% - 6px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--primary-color);
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
  z-index: 31;
  pointer-events: auto;
  transition: transform 0.1s ease, background-color 0.1s ease;
}

.slide-element.selected .slide-el-rot-handle {
  display: block;
}

.slide-el-rot-handle:hover,
.slide-el-rot-handle.active {
  background-color: #ffffff;
  border-color: var(--primary-color);
  transform: scale(1.25);
}

.slide-el-rot-handle:active {
  cursor: grabbing;
}

/* Slide Element Live Rotation Tooltip */
.slide-rotate-tooltip {
  display: none;
  position: absolute;
  top: -56px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  z-index: 35;
}

/* Default Pre-Built Slide Placeholders */
.slide-title-box {
  top: 60px;
  left: 60px;
  right: 60px;
  min-height: 80px;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: #0f172a;
}

.slide-subtitle-box {
  top: 170px;
  left: 60px;
  right: 60px;
  min-height: 50px;
  font-size: 1.3rem;
  color: #64748b;
}

.slide-content-box {
  top: 150px;
  left: 60px;
  right: 60px;
  bottom: 50px;
  font-size: 1.25rem;
  color: #334155;
  line-height: 1.5;
}

/* Layout Presets dropdown */
.slide-layout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 8px;
  width: 240px;
}

.slide-layout-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.12s ease;
}

.slide-layout-btn:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.slide-layout-preview {
  width: 100%;
  height: 44px;
  background: var(--bg-toolbar);
  border: 1px dashed var(--border-color);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.slide-layout-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Slide Background Themes */
.theme-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 8px;
}

.theme-chip {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  transition: transform 0.1s ease;
}

.theme-chip:hover {
  transform: scale(1.1);
}

.theme-chip.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-color);
}

/* ==========================================================================
   Full Screen Presentation Mode
   ========================================================================== */
.presentation-fullscreen-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000;
  z-index: 9999;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.presentation-fullscreen-overlay.active {
  display: flex;
}

.presentation-stage {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.presentation-slide-view {
  width: var(--slide-w, 960px);
  height: var(--slide-h, 540px);
  background: #ffffff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
  position: relative;
  transform-origin: center center;
}

.presentation-controls-bar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 10000;
}

.presentation-fullscreen-overlay:hover .presentation-controls-bar {
  opacity: 1;
}

.presentation-ctrl-btn {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.12s ease;
}

.presentation-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #f97316;
}

.presentation-ctrl-btn.active {
  background: rgba(234, 88, 12, 0.4);
  color: #fb923c;
}

/* Presenter Notes HUD in Slideshow Mode */
.presentation-notes-hud {
  position: fixed;
  bottom: 80px;
  right: 28px;
  width: 400px;
  max-width: calc(100vw - 56px);
  max-height: 45vh;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 10001;
  animation: presNotesFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.presentation-notes-hud.open {
  display: flex;
}

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

.pres-notes-hud-header {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #f8fafc;
  font-size: 0.82rem;
  font-weight: 600;
  user-select: none;
}

.pres-notes-hud-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fb923c;
}

.pres-notes-hud-slide {
  font-size: 0.72rem;
  color: #94a3b8;
  font-weight: 500;
}

.btn-close-pres-hud {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.15s ease;
}

.btn-close-pres-hud:hover {
  color: #ffffff;
}

.pres-notes-hud-body {
  padding: 14px;
  overflow-y: auto;
  color: #e2e8f0;
  font-size: 0.88rem;
  line-height: 1.55;
  user-select: text;
  max-height: calc(45vh - 46px);
}

.pres-notes-text {
  white-space: pre-wrap;
  word-break: break-word;
}

.pres-notes-empty {
  color: #64748b;
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Footer Notes Button */
.footer-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: inherit;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.footer-btn.active {
  color: var(--primary-color);
  font-weight: 700;
  background: rgba(234, 88, 12, 0.12);
}

/* ==========================================================================
   Footer Status Bar
   ========================================================================== */
.app-footer {
  height: 32px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
  z-index: 20;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #94a3b8;
}

.dot.online {
  background-color: #22c55e;
}

/* PWA Install Button */
.btn-pwa-install {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light, #fff7ed);
  color: var(--primary-color, #ea580c);
  border: 1px solid var(--primary-border, #fdba74);
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-pwa-install:hover {
  background: var(--primary-color, #ea580c);
  color: #ffffff;
  border-color: var(--primary-color, #ea580c);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(234, 88, 12, 0.25);
}

.btn-pwa-install svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ==========================================================================
   Slide 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, 0.25), 0 8px 10px -6px rgba(0, 0, 0, 0.15);
  min-width: 215px;
  padding: 6px 0;
  z-index: 2500;
  user-select: none;
  animation: slideContextMenuPop 0.12s ease-out;
}

[data-theme="dark"] .context-menu {
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.6), 0 6px 12px -4px rgba(0, 0, 0, 0.45);
}

@keyframes slideContextMenuPop {
  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:not(:disabled) {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.context-menu-item:hover:not(:disabled) i {
  color: var(--primary-color);
}

.context-menu-item:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.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;
}

.slide-color-flyout {
  min-width: 170px !important;
  padding: 8px !important;
}

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

.slide-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;
}

.slide-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:not(:disabled) {
  background-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.context-menu-item.text-danger:hover:not(:disabled) i {
  color: #dc2626;
}

/* ==========================================================================
   Transitions & Animations System (PowerPoint & Modern Web Standards)
   ========================================================================== */
.transition-grid,
.animation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.transition-option-btn,
.anim-option-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 0.75rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.12s ease;
  white-space: nowrap;
  outline: none;
}

.transition-option-btn:hover,
.anim-option-btn:hover {
  background: var(--bg-toolbar);
  border-color: var(--primary-border);
  color: var(--primary-color);
}

.transition-option-btn.active,
.anim-option-btn.active {
  background: var(--primary-light);
  border-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
}

/* Slide Transition Animations (applied on #active-slide-canvas & #presentation-slide-view) */
.slide-trans-fade {
  animation: slideFadeIn var(--trans-dur, 0.5s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide-trans-slide-next {
  animation: slideFromRight var(--trans-dur, 0.5s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide-trans-slide-prev {
  animation: slideFromLeft var(--trans-dur, 0.5s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide-trans-push-next {
  animation: slideFromBottom var(--trans-dur, 0.5s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide-trans-push-prev {
  animation: slideFromTop var(--trans-dur, 0.5s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide-trans-zoom {
  animation: slideZoomIn var(--trans-dur, 0.5s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide-trans-flip {
  animation: slideFlip3D var(--trans-dur, 0.6s) cubic-bezier(0.16, 1, 0.3, 1) both;
  transform-style: preserve-3d;
  perspective: 1200px;
}

.slide-trans-cube-next {
  animation: slideCubeNext var(--trans-dur, 0.65s) cubic-bezier(0.16, 1, 0.3, 1) both;
  transform-style: preserve-3d;
  perspective: 1400px;
}

.slide-trans-cube-prev {
  animation: slideCubePrev var(--trans-dur, 0.65s) cubic-bezier(0.16, 1, 0.3, 1) both;
  transform-style: preserve-3d;
  perspective: 1400px;
}

.slide-trans-wipe {
  animation: slideWipe var(--trans-dur, 0.55s) cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Slide Transition Keyframes */
@keyframes slideFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideFromRight {
  from { transform: translateX(100%); opacity: 0.8; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideFromLeft {
  from { transform: translateX(-100%); opacity: 0.8; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideFromBottom {
  from { transform: translateY(100%); opacity: 0.85; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideFromTop {
  from { transform: translateY(-100%); opacity: 0.85; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideZoomIn {
  from { transform: scale(0.75); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes slideFlip3D {
  from { transform: perspective(1200px) rotateY(-90deg); opacity: 0; }
  to { transform: perspective(1200px) rotateY(0deg); opacity: 1; }
}

@keyframes slideCubeNext {
  from { transform: perspective(1400px) rotateY(60deg) scale(0.85); opacity: 0.3; }
  to { transform: perspective(1400px) rotateY(0deg) scale(1); opacity: 1; }
}

@keyframes slideCubePrev {
  from { transform: perspective(1400px) rotateY(-60deg) scale(0.85); opacity: 0.3; }
  to { transform: perspective(1400px) rotateY(0deg) scale(1); opacity: 1; }
}

@keyframes slideWipe {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0 0 0 0); }
}

/* Element Entrance Animation Classes */
.slide-anim-fadeIn {
  animation: elFadeIn var(--anim-dur, 0.7s) var(--anim-delay, 0s) cubic-bezier(0.16, 1, 0.3, 1) both !important;
}

.slide-anim-slideInLeft {
  animation: elSlideInLeft var(--anim-dur, 0.7s) var(--anim-delay, 0s) cubic-bezier(0.16, 1, 0.3, 1) both !important;
}

.slide-anim-slideInUp {
  animation: elSlideInUp var(--anim-dur, 0.7s) var(--anim-delay, 0s) cubic-bezier(0.16, 1, 0.3, 1) both !important;
}

.slide-anim-zoomIn {
  animation: elZoomIn var(--anim-dur, 0.7s) var(--anim-delay, 0s) cubic-bezier(0.16, 1, 0.3, 1) both !important;
}

.slide-anim-bounceIn {
  animation: elBounceIn var(--anim-dur, 0.8s) var(--anim-delay, 0s) cubic-bezier(0.36, 0, 0.66, -0.56) both !important;
}

.slide-anim-flipInX {
  animation: elFlipInX var(--anim-dur, 0.75s) var(--anim-delay, 0s) cubic-bezier(0.16, 1, 0.3, 1) both !important;
  perspective: 800px;
}

.slide-anim-rotateIn {
  animation: elRotateIn var(--anim-dur, 0.75s) var(--anim-delay, 0s) cubic-bezier(0.16, 1, 0.3, 1) both !important;
}

/* Element Animation Keyframes */
@keyframes elFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes elSlideInLeft {
  from { opacity: 0; transform: translateX(-80px) rotate(var(--rotate-deg, 0deg)); }
  to { opacity: 1; transform: translateX(0) rotate(var(--rotate-deg, 0deg)); }
}

@keyframes elSlideInUp {
  from { opacity: 0; transform: translateY(80px) rotate(var(--rotate-deg, 0deg)); }
  to { opacity: 1; transform: translateY(0) rotate(var(--rotate-deg, 0deg)); }
}

@keyframes elZoomIn {
  from { opacity: 0; transform: scale(0.3) rotate(var(--rotate-deg, 0deg)); }
  to { opacity: 1; transform: scale(1) rotate(var(--rotate-deg, 0deg)); }
}

@keyframes elBounceIn {
  0% { opacity: 0; transform: scale(0.3) rotate(var(--rotate-deg, 0deg)); }
  50% { opacity: 0.9; transform: scale(1.08) rotate(var(--rotate-deg, 0deg)); }
  70% { transform: scale(0.95) rotate(var(--rotate-deg, 0deg)); }
  100% { opacity: 1; transform: scale(1) rotate(var(--rotate-deg, 0deg)); }
}

@keyframes elFlipInX {
  from { opacity: 0; transform: perspective(800px) rotateX(85deg) rotate(var(--rotate-deg, 0deg)); }
  to { opacity: 1; transform: perspective(800px) rotateX(0deg) rotate(var(--rotate-deg, 0deg)); }
}

@keyframes elRotateIn {
  from { opacity: 0; transform: rotate(calc(var(--rotate-deg, 0deg) - 180deg)) scale(0.4); }
  to { opacity: 1; transform: rotate(var(--rotate-deg, 0deg)) scale(1); }
}

/* View Transitions Baseline (CSS-based Directional Slide Navigation) */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.4s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

html:active-view-transition-type(forward)::view-transition-old(root) {
  animation-name: slide-to-left;
}
html:active-view-transition-type(forward)::view-transition-new(root) {
  animation-name: slideFromRight;
}

html:active-view-transition-type(backward)::view-transition-old(root) {
  animation-name: slide-to-right;
}
html:active-view-transition-type(backward)::view-transition-new(root) {
  animation-name: slideFromLeft;
}

@keyframes slide-to-left {
  to { transform: translateX(-100%); }
}

@keyframes slide-to-right {
  to { transform: translateX(100%); }
}

/* Reduced Motion Compliance */
@media (prefers-reduced-motion: reduce) {
  .slide-trans-fade,
  .slide-trans-slide-next,
  .slide-trans-slide-prev,
  .slide-trans-push-next,
  .slide-trans-push-prev,
  .slide-trans-zoom,
  .slide-trans-flip,
  .slide-trans-cube-next,
  .slide-trans-cube-prev,
  .slide-trans-wipe,
  .slide-anim-fadeIn,
  .slide-anim-slideInLeft,
  .slide-anim-slideInUp,
  .slide-anim-zoomIn,
  .slide-anim-bounceIn,
  .slide-anim-flipInX,
  .slide-anim-rotateIn {
    animation: none !important;
  }
}

/* ==========================================================================
   Microsoft PowerPoint Features: Presenter View, Inking, Sorter, Tables & Arrange
   ========================================================================== */

/* 1. Presenter View (Alt+F5) */
.presenter-view-overlay {
  position: fixed;
  inset: 0;
  background-color: #0b0f19;
  color: #f8fafc;
  z-index: 99999;
  display: none;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--font-ui);
}

.presenter-view-overlay.active {
  display: flex;
}

.presenter-top-bar {
  height: 52px;
  background: #111827;
  border-bottom: 1px solid #1f2937;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
}

.presenter-meta-group {
  display: flex;
  align-items: center;
  gap: 20px;
}

.presenter-counter-badge {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fb923c;
  display: flex;
  align-items: center;
  gap: 8px;
}

.presenter-timer-group {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #1f2937;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid #374151;
}

.presenter-timer-display {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: #38bdf8;
  min-width: 75px;
}

.presenter-timer-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.presenter-timer-btn:hover {
  color: #ffffff;
  background: #374151;
}

.presenter-clock-display {
  font-size: 0.95rem;
  color: #94a3b8;
  font-weight: 600;
}

.presenter-main-split {
  flex: 1;
  display: grid;
  grid-template-columns: 62% 38%;
  gap: 16px;
  padding: 16px 20px;
  overflow: hidden;
}

.presenter-col-current {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}

.presenter-slide-box {
  flex: 1;
  background: #030712;
  border-radius: 8px;
  border: 1px solid #1f2937;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
}

.presenter-slide-viewport {
  width: 960px;
  height: 540px;
  background: #ffffff;
  position: absolute;
  transform-origin: center center;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.presenter-controls-ribbon {
  height: 48px;
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
}

.presenter-col-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
  overflow: hidden;
}

.presenter-next-card {
  height: 220px;
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.presenter-card-header {
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  background: #1a2234;
  border-bottom: 1px solid #1f2937;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.presenter-next-viewport-wrap {
  flex: 1;
  background: #030712;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.presenter-next-viewport {
  width: 960px;
  height: 540px;
  background: #ffffff;
  position: absolute;
  transform-origin: center center;
}

.presenter-notes-card {
  flex: 1;
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.presenter-notes-body {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  font-size: 1.05rem;
  line-height: 1.6;
  color: #e2e8f0;
  white-space: pre-wrap;
  user-select: text;
}

.presenter-notes-body:empty::before {
  content: 'No speaker notes for this slide.';
  color: #64748b;
  font-style: italic;
}

.presenter-bottom-strip {
  height: 100px;
  background: #111827;
  border-top: 1px solid #1f2937;
  padding: 8px 16px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  align-items: center;
  flex-shrink: 0;
}

.presenter-strip-thumb {
  width: 140px;
  height: 78px;
  background: #1f2937;
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
  transition: transform 0.15s, border-color 0.15s;
}

.presenter-strip-thumb:hover {
  transform: translateY(-2px);
  border-color: #fb923c;
}

.presenter-strip-thumb.active {
  border-color: #ea580c;
  box-shadow: 0 0 10px rgba(234, 88, 12, 0.5);
}

.presenter-strip-badge {
  position: absolute;
  bottom: 4px;
  left: 6px;
  background: rgba(0,0,0,0.75);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  z-index: 2;
}

/* 2. Inking, Pen, Laser Pointer, & Annotation in Slideshow */
#presentation-ink-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 95;
  pointer-events: none;
}

#presentation-ink-canvas.drawing-active {
  pointer-events: auto;
  cursor: crosshair;
}

.laser-pointer-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: #ff0033;
  border-radius: 50%;
  box-shadow: 0 0 16px 6px #ff0033, 0 0 6px 2px #ffffff;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  display: none;
}

.laser-pointer-dot.active {
  display: block;
}

/* Floating Presentation Tools Bar in Slideshow (Bottom-Left) */
.slideshow-float-hud {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(17, 24, 39, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  opacity: 0.25;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.slideshow-float-hud:hover,
.slideshow-float-hud.active {
  opacity: 1;
  transform: scale(1.02);
}

.hud-tool-btn {
  background: none;
  border: none;
  color: #cbd5e1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.15s ease;
}

.hud-tool-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.hud-tool-btn.active {
  background: #ea580c;
  color: #ffffff;
}

.hud-flyout-menu {
  position: absolute;
  bottom: 48px;
  left: 0;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-lg);
  min-width: 170px;
}

.hud-flyout-menu.open {
  display: flex;
}

.hud-color-options {
  display: flex;
  gap: 6px;
  padding: 4px;
}

.hud-color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: transform 0.15s;
}

.hud-color-swatch:hover,
.hud-color-swatch.active {
  transform: scale(1.2);
  border-color: #ffffff;
}

/* 3. Slide Sorter View */
.slide-sorter-container {
  display: none;
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  background-color: var(--bg-canvas);
}

.slide-sorter-container.active {
  display: block;
}

.slide-sorter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

.sorter-card {
  background: var(--bg-surface);
  border-radius: 8px;
  border: 2px solid var(--border-color);
  padding: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.sorter-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-border);
  box-shadow: var(--shadow-lg);
}

.sorter-card.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--selection-fill), var(--shadow-md);
}

.sorter-thumb-frame {
  width: 100%;
  aspect-ratio: var(--slide-aspect, 16 / 9);
  background: #ffffff;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
}

.sorter-thumb-canvas {
  width: var(--slide-w, 960px);
  height: var(--slide-h, 540px);
  position: absolute;
  transform-origin: top left;
}

.sorter-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sorter-card-num {
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.sorter-card-actions {
  display: flex;
  gap: 4px;
}

.sorter-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}

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

/* 4. PowerPoint Tables on Slide Canvas */
.slide-table-wrapper {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.slide-table {
  width: 100%;
  height: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-family: inherit;
}

.slide-table th {
  background: linear-gradient(135deg, #ea580c, #c2410c);
  color: #ffffff;
  font-weight: 700;
  padding: 8px 10px;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.25);
  outline: none;
  font-size: 0.95em;
}

.slide-table td {
  padding: 8px 10px;
  border: 1px solid var(--border-color, #cbd5e1);
  vertical-align: top;
  outline: none;
  font-size: 0.9em;
  background: #ffffff;
}

.slide-table tr:nth-child(even) td {
  background-color: rgba(234, 88, 12, 0.05);
}

.slide-table td:focus,
.slide-table th:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: -2px;
}

/* 5. PowerPoint Action Buttons */
.slide-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #ea580c, #c2410c);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
}

.slide-action-btn:hover {
  box-shadow: var(--shadow-md);
  filter: brightness(1.08);
}

/* 6. Alignment Gridlines Overlay */
.slide-canvas.show-gridlines {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.06) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0, 0, 0, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
}

[data-theme="dark"] .slide-canvas.show-gridlines {
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

@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;
}



/* ==========================================================================
   Mobile Responsive Rules (<= 768px)
   ========================================================================== */
.mobile-only-group {
  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%;
  }

  .mobile-only-group {
    display: flex !important;
  }

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

  .header-left {
    flex: 1;
    min-width: 0;
    gap: 6px;
  }

  .app-title {
    display: none;
  }

  .header-center {
    display: none !important;
  }

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

  .doc-title-input {
    width: 100%;
    min-width: 80px;
    max-width: 160px;
    font-size: 0.85rem;
  }

  .status-indicator span {
    display: none;
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
  }

  /* Make header action buttons icon-only and compact on mobile */
  .header-right .btn {
    padding: 6px 8px !important;
    font-size: 0.8rem !important;
    gap: 0 !important;
  }

  .header-right .btn span,
  .header-right #btn-open-presentation,
  .header-right #btn-decks-manager,
  .header-right #btn-presenter-view,
  .header-right #btn-export-pptx,
  .header-right #btn-export-pdf {
    display: none !important;
  }

  .header-right #btn-start-slideshow,
  .header-right #btn-theme-toggle {
    display: inline-flex !important;
  }

  .header-right #btn-start-slideshow {
    padding: 6px 10px !important;
  }

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

  /* Dock toolbar at the bottom in mobile version */
  .toolbar {
    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);
  }

  .toolbar::-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;
  }

  .slides-workspace {
    order: 10;
    flex: 1 1 0%;
    min-height: 0;
    flex-direction: row;
    overflow: hidden;
  }

  .slides-filmstrip {
    width: 84px;
    min-width: 76px;
    max-width: 90px;
    padding: 0;
  }

  .filmstrip-header {
    padding: 6px 8px;
  }

  .filmstrip-title {
    font-size: 0.68rem;
  }

  .filmstrip-list {
    padding: 6px;
    gap: 8px;
  }

  .slide-thumb-num {
    font-size: 0.65rem;
    width: 12px;
  }

  /* Stage Container & Canvas Auto-Fitting for Mobile */
  .slide-stage-container {
    padding: 8px !important;
    overflow: hidden !important;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 0;
  }

  .slide-canvas {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18) !important;
    flex-shrink: 0;
  }

  /* Mobile Touch-Friendly Handles */
  .slide-el-handle {
    width: 16px !important;
    height: 16px !important;
    border-width: 2px !important;
    border-radius: 3px !important;
  }

  .slide-el-handle.handle-nw { top: -9px !important; left: -9px !important; }
  .slide-el-handle.handle-n  { top: -9px !important; left: calc(50% - 8px) !important; }
  .slide-el-handle.handle-ne { top: -9px !important; right: -9px !important; }
  .slide-el-handle.handle-e  { top: calc(50% - 8px) !important; right: -9px !important; }
  .slide-el-handle.handle-se { bottom: -9px !important; right: -9px !important; }
  .slide-el-handle.handle-s  { bottom: -9px !important; left: calc(50% - 8px) !important; }
  .slide-el-handle.handle-sw { bottom: -9px !important; left: -9px !important; }
  .slide-el-handle.handle-w  { top: calc(50% - 8px) !important; left: -9px !important; }

  .slide-el-rot-handle {
    width: 20px !important;
    height: 20px !important;
    top: -38px !important;
    left: calc(50% - 10px) !important;
  }

  .slide-el-rot-stem {
    top: -30px !important;
    height: 30px !important;
  }

  /* Speaker notes panel on mobile: compact collapsed mode by default */
  .speaker-notes-panel {
    height: 36px !important;
    min-height: 36px !important;
    flex-shrink: 0;
  }

  .speaker-notes-panel:not(.collapsed) {
    height: 120px !important;
    max-height: 35vh !important;
  }

  .speaker-notes-header {
    height: 36px;
    padding: 0 10px;
  }

  .speaker-notes-title {
    font-size: 0.75rem;
  }

  .speaker-notes-meta {
    display: none;
  }

  /* Hide app-footer on mobile so toolbar is the primary bottom element */
  .app-footer {
    display: none !important;
  }

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

/* ==========================================================================
   MS PowerPoint Presentation Views, Master Views & Show Ribbon Groups
   ========================================================================== */
.ms-slides-ribbon-group {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  padding: 2px 4px 1px;
  border-radius: 4px;
  flex-shrink: 0;
  user-select: none;
}

.ms-slides-ribbon-body {
  display: flex;
  align-items: stretch;
  gap: 2px;
}

.ms-slides-group-footer {
  text-align: center;
  font-size: 0.63rem;
  font-weight: 500;
  color: var(--text-muted, #64748b);
  line-height: 1.1;
  padding-top: 2px;
  letter-spacing: 0.01em;
}

.ms-slides-ribbon-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-width: 48px;
  padding: 3px 5px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: var(--text-main, #1e293b);
  cursor: pointer;
  transition: all 0.12s ease;
  font-family: inherit;
}

.ms-slides-ribbon-btn:hover {
  background: rgba(234, 88, 12, 0.08);
  border-color: rgba(234, 88, 12, 0.25);
}

.ms-slides-ribbon-btn.active {
  background: #cbd5e1;
  border-color: #94a3b8;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.12);
}

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

.ms-slides-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
}

.ms-slides-label {
  font-size: 0.67rem;
  line-height: 1.08;
  text-align: center;
  white-space: nowrap;
}

.ms-slides-show-checks {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 0 6px 0 2px;
}

.ms-slides-chk-row {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--text-main, #1e293b);
  cursor: pointer;
  line-height: 1.15;
  white-space: nowrap;
}

.ms-slides-chk-row input[type="checkbox"] {
  width: 12px;
  height: 12px;
  margin: 0;
  accent-color: #ea580c;
  cursor: pointer;
}

/* ==========================================================================
   Outline View (Left Pane Structured Slide Outline)
   ========================================================================== */
.slides-filmstrip.outline-mode {
  width: 270px;
}

.slides-outline-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.outline-slide-item {
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color, #e2e8f0);
  background: var(--bg-surface, #ffffff);
  cursor: pointer;
  transition: all 0.12s ease;
}

.outline-slide-item:hover {
  border-color: #fdba74;
}

.outline-slide-item.active {
  border-color: #ea580c;
  background: #fff7ed;
  box-shadow: 0 2px 6px rgba(234, 88, 12, 0.1);
}

[data-theme="dark"] .outline-slide-item.active {
  background: rgba(234, 88, 12, 0.15);
}

.outline-slide-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.outline-slide-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: #ea580c;
  min-width: 18px;
}

.outline-slide-title-input {
  flex: 1;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main, #0f172a);
  padding: 2px 4px;
}

.outline-slide-title-input:focus {
  background: var(--bg-surface, #ffffff);
  border-color: #ea580c;
  outline: none;
}

.outline-slide-body-input {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  font-size: 0.75rem;
  color: var(--text-muted, #475569);
  padding: 2px 4px 2px 22px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.35;
}

.outline-slide-body-input:focus {
  background: var(--bg-surface, #ffffff);
  border-color: #94a3b8;
  color: var(--text-main, #0f172a);
  outline: none;
}

/* ==========================================================================
   Slide Rulers (Top & Left) and Drawing Guides
   ========================================================================== */
.slides-ruler-top {
  height: 20px;
  background: var(--bg-toolbar, #f1f5f9);
  border-bottom: 1px solid var(--border-color, #cbd5e1);
  display: flex;
  align-items: center;
  font-size: 0.62rem;
  color: var(--text-muted, #64748b);
  user-select: none;
  flex-shrink: 0;
}

.slides-ruler-corner {
  width: 22px;
  height: 100%;
  border-right: 1px solid var(--border-color, #cbd5e1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.slides-ruler-track {
  flex: 1;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 40px;
}

.slides-ruler-track .zero,
.slides-ruler-left .zero {
  color: #ea580c;
  font-weight: 700;
}

.slides-ruler-left {
  width: 20px;
  align-self: stretch;
  background: var(--bg-toolbar, #f1f5f9);
  border-right: 1px solid var(--border-color, #cbd5e1);
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  font-size: 0.62rem;
  color: var(--text-muted, #64748b);
  user-select: none;
  margin-right: 10px;
  flex-shrink: 0;
}

/* Crosshair Drawing Guides on Slide Canvas */
.slide-canvas.show-guides::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  border-left: 1.5px dashed rgba(234, 88, 12, 0.65);
  pointer-events: none;
  z-index: 900;
}

.slide-canvas.show-guides::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-top: 1.5px dashed rgba(234, 88, 12, 0.65);
  pointer-events: none;
  z-index: 900;
}

/* ==========================================================================
   Notes Page View (Portrait Printed Page with Slide + Speaker Notes)
   ========================================================================== */
.slides-notes-page-container {
  flex: 1;
  overflow-y: auto;
  background: #cbd5e1;
  padding: 28px 20px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

[data-theme="dark"] .slides-notes-page-container {
  background: #0f172a;
}

.notes-page-sheet {
  width: 560px;
  min-height: 720px;
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.25);
  border-radius: 3px;
  padding: 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-sizing: border-box;
}

.notes-page-header-row,
.notes-page-footer-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: #64748b;
  min-height: 16px;
}

.notes-page-slide-frame {
  width: 488px;
  height: 274.5px;
  border: 1px solid #94a3b8;
  position: relative;
  overflow: hidden;
  background: #ffffff;
  flex-shrink: 0;
}

.notes-page-slide-canvas {
  width: 960px;
  height: 540px;
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: top left;
  transform: scale(0.50833);
  pointer-events: none;
}

.notes-page-body-box {
  flex: 1;
  border: 1.5px dashed #60a5fa;
  border-radius: 3px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  min-height: 260px;
}

.notes-page-textarea {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.5;
  color: #1e293b;
  background: transparent;
}

/* ==========================================================================
   Reading View (Windowed Presentation Player)
   ========================================================================== */
.slides-reading-view-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #0f172a;
  overflow: hidden;
}

.reading-view-stage-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}

.reading-view-slide-canvas {
  width: 960px;
  height: 540px;
  background: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  transform-origin: center center;
}

.reading-view-bottom-bar {
  height: 40px;
  background: #1e293b;
  border-top: 1px solid #334155;
  color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 0.8rem;
}

.reading-view-nav,
.reading-view-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reading-nav-btn {
  background: #334155;
  border: 1px solid #475569;
  color: #f8fafc;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 0.76rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.reading-nav-btn:hover {
  background: #475569;
}

.reading-exit-btn {
  background: #ea580c;
  border-color: #c2410c;
}

.reading-exit-btn:hover {
  background: #c2410c;
}

/* Handout & Notes Master Preview Sheet */
.hm-preview-sheet {
  width: 240px;
  height: 310px;
  background: #ffffff;
  color: #334155;
  border-radius: 2px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.22);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  transition: all 0.2s ease;
}

.hm-preview-sheet.landscape {
  width: 310px;
  height: 240px;
}

.hm-preview-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.62rem;
  color: #64748b;
}

.hm-preview-grid {
  flex: 1;
  margin: 8px 0;
  display: grid;
  gap: 6px;
  align-content: center;
}

.hm-preview-cell {
  border: 1.5px dashed #3b82f6;
  background: #eff6ff;
  border-radius: 2px;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: #2563eb;
  font-weight: 600;
}

/* ===== PowerPoint-style Animation Gallery: Entrance / Emphasis / Exit / Motion Paths ===== */
@keyframes fxk-in-appear{0%{opacity:0}1%{opacity:1}100%{opacity:1}}
.slide-anim-in-appear{animation:fxk-in-appear var(--anim-dur,0.01s) var(--anim-delay,0s) linear both !important}
@keyframes fxk-in-fade{from{opacity:0}to{opacity:1}}
.slide-anim-in-fade{animation:fxk-in-fade var(--anim-dur,0.7s) var(--anim-delay,0s) ease both !important}
@keyframes fxk-in-flyIn{from{opacity:0;transform:translateY(120px) rotate(var(--rotate-deg,0deg));}to{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-in-flyIn{animation:fxk-in-flyIn var(--anim-dur,0.7s) var(--anim-delay,0s) cubic-bezier(.16,1,.3,1) both !important}
@keyframes fxk-in-floatIn{from{opacity:0;transform:translateY(40px) rotate(var(--rotate-deg,0deg));}to{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-in-floatIn{animation:fxk-in-floatIn var(--anim-dur,0.9s) var(--anim-delay,0s) ease-out both !important}
@keyframes fxk-in-split{from{opacity:0;clip-path:inset(0 50% 0 50%)}to{opacity:1;clip-path:inset(0 0 0 0)}}
.slide-anim-in-split{animation:fxk-in-split var(--anim-dur,0.7s) var(--anim-delay,0s) ease both !important}
@keyframes fxk-in-wipe{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
.slide-anim-in-wipe{animation:fxk-in-wipe var(--anim-dur,0.7s) var(--anim-delay,0s) ease both !important}
@keyframes fxk-in-shape{from{opacity:0;clip-path:circle(0% at 50% 50%)}to{opacity:1;clip-path:circle(75% at 50% 50%)}}
.slide-anim-in-shape{animation:fxk-in-shape var(--anim-dur,0.8s) var(--anim-delay,0s) ease both !important}
@keyframes fxk-in-wheel{from{opacity:0;clip-path:polygon(50% 50%,50% 0,50% 0,50% 0,50% 0,50% 0)}50%{clip-path:polygon(50% 50%,50% 0,100% 0,100% 100%,100% 100%,100% 100%)}to{opacity:1;clip-path:polygon(50% 50%,50% 0,100% 0,100% 100%,0 100%,0 0)}}
.slide-anim-in-wheel{animation:fxk-in-wheel var(--anim-dur,0.9s) var(--anim-delay,0s) linear both !important}
@keyframes fxk-in-randomBars{0%{opacity:0;clip-path:inset(0 0 100% 0)}33%{opacity:1;clip-path:inset(0 0 66% 0)}66%{clip-path:inset(0 0 30% 0)}100%{opacity:1;clip-path:inset(0)}}
.slide-anim-in-randomBars{animation:fxk-in-randomBars var(--anim-dur,0.8s) var(--anim-delay,0s) steps(6,end) both !important}
@keyframes fxk-in-growTurn{from{opacity:0;transform:scale(.1) rotate(-90deg) rotate(var(--rotate-deg,0deg));}to{opacity:1;transform:scale(1) rotate(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-in-growTurn{animation:fxk-in-growTurn var(--anim-dur,0.8s) var(--anim-delay,0s) ease-out both !important}
@keyframes fxk-in-zoom{from{opacity:0;transform:scale(.2) rotate(var(--rotate-deg,0deg));}to{opacity:1;transform:scale(1) rotate(var(--rotate-deg,0deg));}}
.slide-anim-in-zoom{animation:fxk-in-zoom var(--anim-dur,0.7s) var(--anim-delay,0s) cubic-bezier(.16,1,.3,1) both !important}
@keyframes fxk-in-swivel{from{opacity:0;transform:perspective(800px) rotateY(90deg) rotate(var(--rotate-deg,0deg));}to{opacity:1;transform:perspective(800px) rotateY(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-in-swivel{animation:fxk-in-swivel var(--anim-dur,0.8s) var(--anim-delay,0s) ease both !important}
@keyframes fxk-in-bounce{0%{opacity:0;transform:translateY(-150px) rotate(var(--rotate-deg,0deg));}40%{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}55%{transform:translateY(-30px) rotate(var(--rotate-deg,0deg));}70%{transform:translateY(0) rotate(var(--rotate-deg,0deg));}85%{transform:translateY(-10px) rotate(var(--rotate-deg,0deg));}100%{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-in-bounce{animation:fxk-in-bounce var(--anim-dur,1s) var(--anim-delay,0s) ease-in both !important}
@keyframes fxk-em-pulse{0%{transform:scale(1) rotate(var(--rotate-deg,0deg));}50%{transform:scale(1.12) rotate(var(--rotate-deg,0deg));}100%{transform:scale(1) rotate(var(--rotate-deg,0deg));}}
.slide-anim-em-pulse{animation:fxk-em-pulse var(--anim-dur,0.7s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-colorPulse{0%{filter:hue-rotate(0)}50%{filter:hue-rotate(120deg) saturate(1.8)}100%{filter:hue-rotate(0)}}
.slide-anim-em-colorPulse{animation:fxk-em-colorPulse var(--anim-dur,0.9s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-teeter{0%{transform:rotate(0) rotate(var(--rotate-deg,0deg));}25%{transform:rotate(6deg) rotate(var(--rotate-deg,0deg));}50%{transform:rotate(-6deg) rotate(var(--rotate-deg,0deg));}75%{transform:rotate(4deg) rotate(var(--rotate-deg,0deg));}100%{transform:rotate(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-em-teeter{animation:fxk-em-teeter var(--anim-dur,0.8s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-spin{from{transform:rotate(0) rotate(var(--rotate-deg,0deg));}to{transform:rotate(360deg) rotate(var(--rotate-deg,0deg));}}
.slide-anim-em-spin{animation:fxk-em-spin var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-growShrink{0%{transform:scale(1) rotate(var(--rotate-deg,0deg));}50%{transform:scale(1.5) rotate(var(--rotate-deg,0deg));}100%{transform:scale(1) rotate(var(--rotate-deg,0deg));}}
.slide-anim-em-growShrink{animation:fxk-em-growShrink var(--anim-dur,0.8s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-desaturate{0%{filter:grayscale(0)}50%{filter:grayscale(1)}100%{filter:grayscale(0)}}
.slide-anim-em-desaturate{animation:fxk-em-desaturate var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-darken{0%{filter:brightness(1)}50%{filter:brightness(.45)}100%{filter:brightness(1)}}
.slide-anim-em-darken{animation:fxk-em-darken var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-lighten{0%{filter:brightness(1)}50%{filter:brightness(1.7)}100%{filter:brightness(1)}}
.slide-anim-em-lighten{animation:fxk-em-lighten var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-transparency{0%{opacity:1}50%{opacity:.35}100%{opacity:1}}
.slide-anim-em-transparency{animation:fxk-em-transparency var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-objectColor{0%{filter:hue-rotate(0)}50%{filter:hue-rotate(200deg)}100%{filter:hue-rotate(0)}}
.slide-anim-em-objectColor{animation:fxk-em-objectColor var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-complementary{0%{filter:hue-rotate(0)}50%{filter:hue-rotate(180deg)}100%{filter:hue-rotate(0)}}
.slide-anim-em-complementary{animation:fxk-em-complementary var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-lineColor{0%{outline:0 solid transparent;outline-offset:0}50%{outline:4px solid #ea580c;outline-offset:2px}100%{outline:0 solid transparent;outline-offset:0}}
.slide-anim-em-lineColor{animation:fxk-em-lineColor var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-fillColor{0%{filter:sepia(0) hue-rotate(0)}50%{filter:sepia(1) saturate(4) hue-rotate(-20deg)}100%{filter:sepia(0) hue-rotate(0)}}
.slide-anim-em-fillColor{animation:fxk-em-fillColor var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-brushColor{0%{color:inherit}50%{color:#2563eb}100%{color:inherit}}
.slide-anim-em-brushColor{animation:fxk-em-brushColor var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-fontColor{0%{color:inherit}50%{color:#dc2626}100%{color:inherit}}
.slide-anim-em-fontColor{animation:fxk-em-fontColor var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-underline{0%{text-decoration:none}20%,80%{text-decoration:underline}100%{text-decoration:none}}
.slide-anim-em-underline{animation:fxk-em-underline var(--anim-dur,1s) var(--anim-delay,0s) linear both !important}
@keyframes fxk-em-boldFlash{0%{font-weight:inherit;text-shadow:none}50%{font-weight:900;text-shadow:0 0 12px rgba(250,204,21,.9)}100%{font-weight:inherit;text-shadow:none}}
.slide-anim-em-boldFlash{animation:fxk-em-boldFlash var(--anim-dur,0.8s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-boldReveal{0%{opacity:.4;letter-spacing:0}50%{opacity:1;font-weight:900;letter-spacing:2px}100%{opacity:1;letter-spacing:0}}
.slide-anim-em-boldReveal{animation:fxk-em-boldReveal var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-em-wave{0%{transform:translateY(0) rotate(var(--rotate-deg,0deg));}25%{transform:translateY(-12px) skewX(-6deg) rotate(var(--rotate-deg,0deg));}50%{transform:translateY(0) rotate(var(--rotate-deg,0deg));}75%{transform:translateY(12px) skewX(6deg) rotate(var(--rotate-deg,0deg));}100%{transform:translateY(0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-em-wave{animation:fxk-em-wave var(--anim-dur,1s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-out-disappear{0%{opacity:1}99%{opacity:1}100%{opacity:0}}
.slide-anim-out-disappear{animation:fxk-out-disappear var(--anim-dur,0.01s) var(--anim-delay,0s) linear backwards !important}
@keyframes fxk-out-fade{from{opacity:1}to{opacity:0}}
.slide-anim-out-fade{animation:fxk-out-fade var(--anim-dur,0.7s) var(--anim-delay,0s) ease backwards !important}
@keyframes fxk-out-flyOut{from{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}to{opacity:0;transform:translateY(120px) rotate(var(--rotate-deg,0deg));}}
.slide-anim-out-flyOut{animation:fxk-out-flyOut var(--anim-dur,0.7s) var(--anim-delay,0s) ease-in backwards !important}
@keyframes fxk-out-floatOut{from{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}to{opacity:0;transform:translateY(40px) rotate(var(--rotate-deg,0deg));}}
.slide-anim-out-floatOut{animation:fxk-out-floatOut var(--anim-dur,0.9s) var(--anim-delay,0s) ease-in backwards !important}
@keyframes fxk-out-split{from{opacity:1;clip-path:inset(0)}to{opacity:0;clip-path:inset(0 50% 0 50%)}}
.slide-anim-out-split{animation:fxk-out-split var(--anim-dur,0.7s) var(--anim-delay,0s) ease backwards !important}
@keyframes fxk-out-wipe{from{clip-path:inset(0)}to{clip-path:inset(0 0 0 100%)}}
.slide-anim-out-wipe{animation:fxk-out-wipe var(--anim-dur,0.7s) var(--anim-delay,0s) ease backwards !important}
@keyframes fxk-out-shape{from{opacity:1;clip-path:circle(75% at 50% 50%)}to{opacity:0;clip-path:circle(0% at 50% 50%)}}
.slide-anim-out-shape{animation:fxk-out-shape var(--anim-dur,0.8s) var(--anim-delay,0s) ease backwards !important}
@keyframes fxk-out-wheel{from{clip-path:polygon(50% 50%,50% 0,100% 0,100% 100%,0 100%,0 0)}to{opacity:0;clip-path:polygon(50% 50%,50% 0,50% 0,50% 0,50% 0,50% 0)}}
.slide-anim-out-wheel{animation:fxk-out-wheel var(--anim-dur,0.9s) var(--anim-delay,0s) linear backwards !important}
@keyframes fxk-out-randomBars{0%{opacity:1;clip-path:inset(0)}33%{clip-path:inset(0 0 30% 0)}66%{clip-path:inset(0 0 66% 0)}100%{opacity:0;clip-path:inset(0 0 100% 0)}}
.slide-anim-out-randomBars{animation:fxk-out-randomBars var(--anim-dur,0.8s) var(--anim-delay,0s) steps(6,end) backwards !important}
@keyframes fxk-out-shrinkTurn{from{opacity:1;transform:scale(1) rotate(0) rotate(var(--rotate-deg,0deg));}to{opacity:0;transform:scale(.1) rotate(-90deg) rotate(var(--rotate-deg,0deg));}}
.slide-anim-out-shrinkTurn{animation:fxk-out-shrinkTurn var(--anim-dur,0.8s) var(--anim-delay,0s) ease-in backwards !important}
@keyframes fxk-out-zoom{from{opacity:1;transform:scale(1) rotate(var(--rotate-deg,0deg));}to{opacity:0;transform:scale(.2) rotate(var(--rotate-deg,0deg));}}
.slide-anim-out-zoom{animation:fxk-out-zoom var(--anim-dur,0.7s) var(--anim-delay,0s) ease-in backwards !important}
@keyframes fxk-out-swivel{from{opacity:1;transform:perspective(800px) rotateY(0) rotate(var(--rotate-deg,0deg));}to{opacity:0;transform:perspective(800px) rotateY(90deg) rotate(var(--rotate-deg,0deg));}}
.slide-anim-out-swivel{animation:fxk-out-swivel var(--anim-dur,0.8s) var(--anim-delay,0s) ease backwards !important}
@keyframes fxk-out-bounce{0%{opacity:1;transform:translateY(0) rotate(var(--rotate-deg,0deg));}20%{transform:translateY(-30px) rotate(var(--rotate-deg,0deg));}40%{transform:translateY(0) rotate(var(--rotate-deg,0deg));}60%{opacity:1;transform:translateY(-10px) rotate(var(--rotate-deg,0deg));}100%{opacity:0;transform:translateY(220px) rotate(var(--rotate-deg,0deg));}}
.slide-anim-out-bounce{animation:fxk-out-bounce var(--anim-dur,1s) var(--anim-delay,0s) ease-in backwards !important}
@keyframes fxk-mp-pathLines{0%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}50%{transform:translate(0,-70px) rotate(var(--rotate-deg,0deg));}100%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-mp-pathLines{animation:fxk-mp-pathLines var(--anim-dur,1.2s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-mp-pathArcs{0%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}25%{transform:translate(40px,-45px) rotate(var(--rotate-deg,0deg));}50%{transform:translate(90px,-60px) rotate(var(--rotate-deg,0deg));}75%{transform:translate(140px,-45px) rotate(var(--rotate-deg,0deg));}100%{transform:translate(180px,0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-mp-pathArcs{animation:fxk-mp-pathArcs var(--anim-dur,1.2s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-mp-pathTurns{0%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}40%{transform:translate(0,-80px) rotate(var(--rotate-deg,0deg));}60%{transform:translate(30px,-80px) rotate(var(--rotate-deg,0deg));}100%{transform:translate(120px,-80px) rotate(var(--rotate-deg,0deg));}}
.slide-anim-mp-pathTurns{animation:fxk-mp-pathTurns var(--anim-dur,1.2s) var(--anim-delay,0s) ease-in-out both !important}
@keyframes fxk-mp-pathShapes{0%{transform:translate(0,-50px) rotate(var(--rotate-deg,0deg));}25%{transform:translate(50px,0) rotate(var(--rotate-deg,0deg));}50%{transform:translate(0,50px) rotate(var(--rotate-deg,0deg));}75%{transform:translate(-50px,0) rotate(var(--rotate-deg,0deg));}100%{transform:translate(0,-50px) rotate(var(--rotate-deg,0deg));}}
.slide-anim-mp-pathShapes{animation:fxk-mp-pathShapes var(--anim-dur,1.6s) var(--anim-delay,0s) linear both !important}
@keyframes fxk-mp-pathLoops{0%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}12%{transform:translate(40px,-35px) rotate(var(--rotate-deg,0deg));}25%{transform:translate(70px,0) rotate(var(--rotate-deg,0deg));}37%{transform:translate(40px,35px) rotate(var(--rotate-deg,0deg));}50%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}62%{transform:translate(-40px,-35px) rotate(var(--rotate-deg,0deg));}75%{transform:translate(-70px,0) rotate(var(--rotate-deg,0deg));}87%{transform:translate(-40px,35px) rotate(var(--rotate-deg,0deg));}100%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}}
.slide-anim-mp-pathLoops{animation:fxk-mp-pathLoops var(--anim-dur,2s) var(--anim-delay,0s) linear both !important}
@keyframes fxk-mp-pathCustom{0%{transform:translate(0,0) rotate(var(--rotate-deg,0deg));}15%{transform:translate(30px,-20px) rotate(var(--rotate-deg,0deg));}30%{transform:translate(-20px,-40px) rotate(var(--rotate-deg,0deg));}45%{transform:translate(40px,-60px) rotate(var(--rotate-deg,0deg));}60%{transform:translate(-20px,-80px) rotate(var(--rotate-deg,0deg));}75%{transform:translate(30px,-100px) rotate(var(--rotate-deg,0deg));}100%{transform:translate(0,-120px) rotate(var(--rotate-deg,0deg));}}
.slide-anim-mp-pathCustom{animation:fxk-mp-pathCustom var(--anim-dur,1.6s) var(--anim-delay,0s) ease-in-out both !important}
.anim-gallery-title{font-size:.72rem;font-weight:700;color:var(--text-muted);background:var(--bg-toolbar);padding:4px 8px;margin:6px -10px 6px;text-transform:uppercase;letter-spacing:.04em}
.anim-gallery-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}
.anim-gallery-btn{flex-direction:column;justify-content:center;text-align:center;padding:6px 2px;font-size:.68rem;white-space:normal;line-height:1.15;min-height:52px;gap:4px}
.anim-gallery-btn i{font-size:1.05rem}
.anim-gallery-btn.entrance i{color:#5f9e8f}.anim-gallery-btn.emphasis i{color:#e8b04a}.anim-gallery-btn.exit i{color:#d9583b}.anim-gallery-btn.path i{color:#64748b}
#menu-animation-dropdown.anim-gallery-menu{width:480px!important;max-height:70vh;overflow-y:auto}
#presentation-slide-view [class*="slide-anim-out-"],#pres-view-current-canvas [class*="slide-anim-out-"],#reading-view-slide-canvas [class*="slide-anim-out-"]{animation-fill-mode:both!important}
@media (prefers-reduced-motion: reduce){[class*="slide-anim-"]{animation:none!important}}
/* ===== PowerPoint-style Transitions Gallery ===== */
@property --tbw{syntax:'<percentage>';inherits:false;initial-value:0%}
@property --trad{syntax:'<percentage>';inherits:false;initial-value:0%}
@property --tang{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes txk-morph{from{opacity:0;transform:scale(.85);filter:blur(10px)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-morph{animation:txk-morph var(--trans-dur,0.8s) ease both}
@keyframes txk-split{from{clip-path:inset(0 50% 0 50%)}to{clip-path:inset(0)}}
.slide-trans-fx-split{animation:txk-split var(--trans-dur,0.6s) ease both}
@keyframes txk-reveal{from{clip-path:inset(0 0 0 100%);transform:translateX(-25%)}to{clip-path:inset(0);transform:none}}
.slide-trans-fx-reveal{animation:txk-reveal var(--trans-dur,0.7s) ease both}
@keyframes txk-cut{0%{opacity:0}1%,100%{opacity:1}}
.slide-trans-fx-cut{animation:txk-cut var(--trans-dur,0.05s) linear both}
@keyframes txk-randomBars{from{--tbw:0%}to{--tbw:10%}}
.slide-trans-fx-randomBars{-webkit-mask-image:repeating-linear-gradient(90deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 10%);mask-image:repeating-linear-gradient(90deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 10%);animation:txk-randomBars var(--trans-dur,0.8s) steps(5,end) both}
@keyframes txk-shape{from{clip-path:circle(0% at 50% 50%)}to{clip-path:circle(75% at 50% 50%)}}
.slide-trans-fx-shape{animation:txk-shape var(--trans-dur,0.7s) ease both}
@keyframes txk-uncover{from{transform:translateX(-35%);opacity:0}to{transform:none;opacity:1}}
.slide-trans-fx-uncover{animation:txk-uncover var(--trans-dur,0.6s) ease-out both}
@keyframes txk-cover{from{transform:translateX(100%)}to{transform:none}}
.slide-trans-fx-cover{animation:txk-cover var(--trans-dur,0.6s) ease-out both}
@keyframes txk-flash{0%{filter:brightness(6);opacity:0}30%{filter:brightness(3);opacity:1}100%{filter:brightness(1);opacity:1}}
.slide-trans-fx-flash{animation:txk-flash var(--trans-dur,0.6s) ease-out both}
@keyframes txk-fallOver{from{transform-origin:0 100%;transform:perspective(1200px) rotateZ(25deg) translateY(-100%);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-fallOver{animation:txk-fallOver var(--trans-dur,0.8s) ease-out both}
@keyframes txk-drape{from{transform-origin:top;transform:perspective(1200px) rotateX(-45deg);clip-path:inset(0 0 100% 0)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-drape{animation:txk-drape var(--trans-dur,0.8s) ease-out both}
@keyframes txk-curtains{from{clip-path:inset(0 50% 0 50%);transform:scaleX(.6)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-curtains{animation:txk-curtains var(--trans-dur,0.8s) ease both}
@keyframes txk-wind{from{transform:translateX(120%) skewX(-30deg);opacity:0;filter:blur(8px)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-wind{animation:txk-wind var(--trans-dur,0.7s) ease-out both}
@keyframes txk-prestige{from{opacity:0;transform:scale(1.4) rotate(-6deg);filter:brightness(.4)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-prestige{animation:txk-prestige var(--trans-dur,0.9s) ease-out both}
@keyframes txk-fracture{from{clip-path:polygon(50% 35%,57% 43%,65% 50%,57% 57%,50% 65%,43% 57%,35% 50%,43% 43%)}to{clip-path:polygon(0 0,50% 0,100% 0,100% 50%,100% 100%,50% 100%,0 100%,0 50%)}}
.slide-trans-fx-fracture{animation:txk-fracture var(--trans-dur,0.8s) ease-in both}
@keyframes txk-crush{from{transform:scale(1.7);opacity:0;filter:blur(12px)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-crush{animation:txk-crush var(--trans-dur,0.7s) ease-out both}
@keyframes txk-peelOff{from{clip-path:polygon(100% 100%,100% 100%,100% 100%,100% 100%)}to{clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}}
.slide-trans-fx-peelOff{animation:txk-peelOff var(--trans-dur,0.8s) ease-in-out both}
@keyframes txk-pageCurl{from{transform-origin:0 50%;transform:perspective(1200px) rotateY(-80deg);opacity:.4}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-pageCurl{animation:txk-pageCurl var(--trans-dur,0.9s) ease-out both}
@keyframes txk-airplane{from{transform:translate(-120%,60%) rotate(-25deg) scale(.3);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-airplane{animation:txk-airplane var(--trans-dur,0.9s) ease-out both}
@keyframes txk-origami{from{transform:perspective(1200px) rotateX(90deg) rotateY(-30deg) scale(.5);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-origami{animation:txk-origami var(--trans-dur,0.9s) ease-out both}
@keyframes txk-dissolve{0%{opacity:0;filter:blur(14px) contrast(2)}60%{opacity:.8;filter:blur(4px)}100%{opacity:1;filter:none}}
.slide-trans-fx-dissolve{animation:txk-dissolve var(--trans-dur,0.8s) steps(8,end) both}
@keyframes txk-checkerboard{0%,49%{-webkit-mask-image:conic-gradient(#000 25%,transparent 0 50%,#000 0 75%,transparent 0);-webkit-mask-size:12.5% 25%;mask-image:conic-gradient(#000 25%,transparent 0 50%,#000 0 75%,transparent 0);mask-size:12.5% 25%}50%,100%{-webkit-mask-image:linear-gradient(#000,#000);mask-image:linear-gradient(#000,#000);-webkit-mask-size:100% 100%;mask-size:100% 100%}}
.slide-trans-fx-checkerboard{animation:txk-checkerboard var(--trans-dur,0.8s) step-end both}
@keyframes txk-blinds{from{--tbw:0%}to{--tbw:10%}}
.slide-trans-fx-blinds{-webkit-mask-image:repeating-linear-gradient(180deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 10%);mask-image:repeating-linear-gradient(180deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 10%);animation:txk-blinds var(--trans-dur,0.8s) ease-in-out both}
@keyframes txk-clock{from{--tang:0deg}to{--tang:360deg}}
.slide-trans-fx-clock{-webkit-mask-image:conic-gradient(#000 var(--tang),transparent 0);mask-image:conic-gradient(#000 var(--tang),transparent 0);animation:txk-clock var(--trans-dur,1s) linear both}
@keyframes txk-ripple{from{--trad:0%}to{--trad:110%}}
.slide-trans-fx-ripple{-webkit-mask-image:radial-gradient(circle at center,#000 var(--trad),transparent calc(var(--trad) + 1%));mask-image:radial-gradient(circle at center,#000 var(--trad),transparent calc(var(--trad) + 1%));animation:txk-ripple var(--trans-dur,0.9s) ease-in both}
@keyframes txk-honeycomb{from{--trad:0%}to{--trad:75%}}
.slide-trans-fx-honeycomb{-webkit-mask-image:radial-gradient(circle at center,#000 var(--trad),transparent calc(var(--trad) + 1%));mask-image:radial-gradient(circle at center,#000 var(--trad),transparent calc(var(--trad) + 1%));-webkit-mask-size:10% 18%;mask-size:10% 18%;animation:txk-honeycomb var(--trans-dur,0.9s) ease-in both}
@keyframes txk-glitter{from{--trad:0%}to{--trad:75%}}
.slide-trans-fx-glitter{-webkit-mask-image:radial-gradient(circle at center,#000 var(--trad),transparent calc(var(--trad) + 1%));mask-image:radial-gradient(circle at center,#000 var(--trad),transparent calc(var(--trad) + 1%));-webkit-mask-size:4% 7%;mask-size:4% 7%;animation:txk-glitter var(--trans-dur,0.9s) ease-in both}
@keyframes txk-vortex{from{transform:rotate(540deg) scale(0);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-vortex{animation:txk-vortex var(--trans-dur,1s) ease-out both}
@keyframes txk-shred{from{--tbw:0%}to{--tbw:3%}}
.slide-trans-fx-shred{-webkit-mask-image:repeating-linear-gradient(90deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 3%);mask-image:repeating-linear-gradient(90deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 3%);animation:txk-shred var(--trans-dur,0.9s) ease-in-out both}
@keyframes txk-switch{from{transform:perspective(1200px) rotateY(120deg) translateX(40%);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-switch{animation:txk-switch var(--trans-dur,0.8s) ease-out both}
@keyframes txk-gallery{from{transform:perspective(1200px) translateX(60%) rotateY(-50deg) scale(.7);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-gallery{animation:txk-gallery var(--trans-dur,0.9s) ease-out both}
@keyframes txk-doors{from{transform:perspective(1200px) scaleX(.3);clip-path:inset(0 50%)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-doors{animation:txk-doors var(--trans-dur,0.8s) ease-out both}
@keyframes txk-box{from{transform:perspective(1200px) translateZ(-300px) rotateY(-90deg);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-box{animation:txk-box var(--trans-dur,0.9s) ease-out both}
@keyframes txk-comb{from{--tbw:0%}to{--tbw:6%}}
.slide-trans-fx-comb{-webkit-mask-image:repeating-linear-gradient(180deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 6%);mask-image:repeating-linear-gradient(180deg,#000 0,#000 var(--tbw),transparent var(--tbw),transparent 6%);animation:txk-comb var(--trans-dur,0.9s) ease-in-out both}
@keyframes txk-pan{from{transform:translateX(30%) scale(1.15);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-pan{animation:txk-pan var(--trans-dur,0.8s) ease-out both}
@keyframes txk-ferrisWheel{from{transform-origin:50% 200%;transform:rotate(-60deg) translateX(100%);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-ferrisWheel{animation:txk-ferrisWheel var(--trans-dur,1s) ease-out both}
@keyframes txk-conveyor{from{transform:translateX(100%) perspective(1200px) rotateY(-35deg)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-conveyor{animation:txk-conveyor var(--trans-dur,0.8s) ease-out both}
@keyframes txk-rotate{from{transform:rotate(-180deg) scale(.4);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-rotate{animation:txk-rotate var(--trans-dur,0.9s) ease-out both}
@keyframes txk-window{from{clip-path:inset(30%);transform:scale(.7)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-window{animation:txk-window var(--trans-dur,0.8s) ease-out both}
@keyframes txk-orbit{from{transform:rotate(-120deg) translateX(-100%) scale(.3);opacity:0}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-orbit{animation:txk-orbit var(--trans-dur,1s) ease-out both}
@keyframes txk-flyThrough{from{transform:scale(3);opacity:0;filter:blur(10px)}to{transform:none;opacity:1;filter:none;clip-path:none}}
.slide-trans-fx-flyThrough{animation:txk-flyThrough var(--trans-dur,0.9s) ease-out both}
.anim-gallery-btn.trans i{color:#3b6fb6}
#menu-transition-dropdown.trans-gallery-menu{width:500px!important;max-height:70vh;overflow-y:auto}
@media (prefers-reduced-motion: reduce){[class*="slide-trans-fx-"]{animation:none!important}}
/* Menu-bar submenu flyouts: JS-controlled (hover on their own item only) and fixed beside the item */
.menu-bar .dropdown-submenu-item > .submenu-flyout { display: none !important; position: fixed; top: auto; left: auto; max-height: calc(100vh - 16px); overflow-y: auto; z-index: 2000; }
.menu-bar .dropdown-submenu-item:hover > .submenu-flyout:not(.flyout-open) { display: none !important; }
.menu-bar .dropdown-submenu-item > .submenu-flyout.flyout-open { display: block !important; }
.menu-bar .menu-item:not(.active) .submenu-flyout { display: none !important; }


/* Voice Typing Floating Pill Widget */
.voice-typing-pill {
  position: fixed;
  bottom: 50px;
  right: 28px;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 28px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10050;
  animation: modalPop 0.18s ease-out;
  color: var(--text-main, #1e293b);
  font-family: inherit;
}

.voice-typing-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: #64748b;
  color: #ffffff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.voice-typing-btn.recording {
  background: #ef4444;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  animation: pulseRecording 1.5s infinite;
}

@keyframes pulseRecording {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.voice-typing-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 170px;
}

.voice-typing-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

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

.voice-typing-lang-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.voice-typing-lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  color: var(--text-main, #1e293b);
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 2px 20px 2px 6px;
  cursor: pointer;
  outline: none;
  max-width: 155px;
  text-overflow: ellipsis;
  white-space: nowrap;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 5px center;
  transition: all 0.15s ease;
}

.voice-typing-lang-select:hover {
  border-color: #2563eb;
}

.voice-typing-lang-select:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.voice-typing-desc {
  font-size: 0.74rem;
  color: var(--text-muted, #64748b);
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.voice-typing-close {
  background: none;
  border: none;
  color: var(--text-muted, #64748b);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s ease;
  margin-left: 2px;
}

.voice-typing-close:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
}

[data-theme="dark"] .voice-typing-pill {
  background: #1e293b;
  border-color: #334155;
  color: #f8fafc;
}

[data-theme="dark"] .voice-typing-title {
  color: #f8fafc;
}

[data-theme="dark"] .voice-typing-desc {
  color: #94a3b8;
}

[data-theme="dark"] .voice-typing-lang-select {
  background-color: #0f172a;
  border-color: #334155;
  color: #f1f5f9;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

[data-theme="dark"] .voice-typing-lang-select:hover {
  border-color: #60a5fa;
}

[data-theme="dark"] .voice-typing-lang-select:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.25);
}


/* Math Equations & Formula Elements in Slides */
.slide-equation-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  user-select: none;
  cursor: pointer;
  overflow: hidden;
}

.slide-equation-wrapper .katex {
  font-size: 1.15em;
  line-height: 1.2;
}

.slide-element.selected .slide-equation-wrapper {
  outline: 1px dashed rgba(234, 88, 12, 0.4);
  outline-offset: 2px;
}

.eq-sym-btn {
  min-width: 34px;
  height: 32px;
  padding: 2px 6px;
  font-size: 0.95rem;
  font-family: 'Fira Code', 'Roboto Mono', KaTeX_Main, serif;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.eq-sym-btn:hover {
  background: var(--primary-color, #ea580c);
  color: #fff;
  border-color: var(--primary-color, #ea580c);
  transform: translateY(-1px);
}