:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-hover: #242424;
    --border-color: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #98FACD;
    --accent-hover: #7fe5b3;
    --danger-color: #ff4444;
    --player-height: 140px;
    --viewport-width: 1920px;
    --viewport-height: 1080px;
}

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

html {
    background: transparent;
    /* Transparent to show parent dotted grid */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: transparent;
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    background: transparent;
}

/* Main Content Area - Full Width */
.app-container>.main-content {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    background: transparent !important;
    position: relative !important;
    overflow: hidden !important;
    width: 100% !important;
    height: 100vh !important;
}

/* Viewport Container */
.viewport-container {
    flex: 1 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0px !important;
    /* Temporarily remove gradient to see if it's covering the slide */
    /* background: radial-gradient(ellipse at center, var(--bg-tertiary) 0%, var(--bg-primary) 100()) !important; */
    background: transparent !important;
    min-height: 0 !important;
    width: 100% !important;
    position: relative !important;
    overflow: hidden !important;
    /* Clip slides during transitions */
    box-sizing: border-box !important;
}

.slide-viewport {
    width: var(--viewport-width, 1920px);
    height: var(--viewport-height, 1080px);
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: center center;
    /* Ensure nothing blocks children backgrounds */
    background: transparent;
    overflow: hidden;
    /* Clip slide content during transitions */
    /* Prevent 3D transform propagation to children */
    transform-style: flat;
    /* Optimize scaling performance */
    will-change: transform;
    /* Modern rounded corners with subtle shadow */
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Isolation container - prevents framework transforms from affecting slide content */
.slide-isolator {
    width: var(--viewport-width, 1920px);
    height: var(--viewport-height, 1080px);
    position: relative;
    /* Reset any inherited transforms */
    transform: none !important;
    /* Isolate the slide content from parent transforms */
    contain: layout style paint;
    /* Create new stacking context */
    isolation: isolate;
    /* Ensure full size */
    display: block;
    /* No interference with slide backgrounds */
    background: transparent;
}

/* Player Controls - Protected from slide CSS */
.player-controls {
    height: var(--player-height) !important;
    background: linear-gradient(to bottom, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
    border-top: 1px solid var(--border-color) !important;
    position: relative !important;
    z-index: 1000 !important;
    width: 100% !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.controls-inner {
    height: 100% !important;
    padding: 20px 30px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* Progress Section */
.progress-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    transition: height 0.2s ease;
}

.progress-bar:hover {
    height: 10px;
}

.progress-bar:hover .progress-handle {
    opacity: 1;
    transform: scale(1);
}

.progress-buffered {
    position: absolute;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.progress-fill {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

.progress-handle {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%) scale(0);
    opacity: 0;
    transition: all 0.2s ease;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(152, 250, 205, 0.5);
}

.progress-handle:active {
    cursor: grabbing;
}

.progress-tooltip {
    position: absolute;
    bottom: 20px;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transform: translateX(-50%);
    transition: opacity 0.2s ease;
    border: 1px solid var(--border-color);
}

.progress-bar:hover .progress-tooltip {
    opacity: 1;
}

.time-display {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    min-width: 100px;
}

.time-separator {
    color: var(--text-secondary);
}

/* Control Buttons */
.control-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.left-controls,
.right-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-hover);
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
}

.control-btn:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

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

.play-btn {
    width: 48px;
    height: 48px;
    background: var(--accent-color);
    color: var(--bg-primary);
}

.play-btn:hover {
    background: var(--accent-hover);
}

.step-backward,
.step-forward {
    position: relative;
}

.step-text {
    position: absolute;
    bottom: -2px;
    font-size: 8px;
    font-weight: 600;
}

/* Speed Control */
.speed-control {
    position: relative;
}

.speed-btn {
    width: auto;
    padding: 0 16px;
    font-weight: 600;
}

.speed-text {
    font-size: 13px;
}

.speed-menu {
    position: absolute;
    bottom: 50px;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.speed-menu button {
    display: block;
    width: 80px;
    padding: 10px;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: background 0.2s ease;
}

.speed-menu button:hover {
    background: var(--bg-hover);
}

.speed-menu button.active {
    background: var(--accent-color);
    color: var(--bg-primary);
}

/* Slide Info Bar */
.slide-info-bar {
    position: absolute !important;
    top: -40px !important;
    left: 0 !important;
    right: 0 !important;
    height: 40px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 0 50px !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(10px) !important;
    border-radius: 8px 8px 0 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    z-index: 10 !important;
}

.slide-title {
    font-size: 14px;
    font-weight: 500;
}

.slide-duration {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: none;
    z-index: 1000;
}

.loading-indicator.active {
    display: block;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Keyboard Focus Styles */
.control-btn:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Fullscreen Styles */
.main-content.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
}

.main-content.fullscreen .viewport-container {
    background: #000;
    padding: 0px;
}

.main-content.fullscreen .slide-viewport {
    border-radius: 0;
}

/* Responsive adjustments for smaller screens */
@media (max-width: 1400px) {
    .controls-inner {
        padding: 20px;
    }
}

/* Ensure all player elements are protected */
.player-controls * {
    box-sizing: border-box !important;
}

/* Protect control buttons from slide interference */
.control-btn {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
}

.play-btn {
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    min-height: 48px !important;
}

/* Ensure progress bar stays consistent */
.progress-section {
    display: flex !important;
    align-items: center !important;
    gap: 20px !important;
    width: 100% !important;
}

.progress-bar {
    flex: 1 !important;
    min-height: 6px !important;
    position: relative !important;
}

/* Protect time display */
.time-display {
    display: flex !important;
    align-items: center !important;
    min-width: 100px !important;
}

/* Edit Mode Toggle Button */
.edit-mode-toggle-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0.6;
}

.edit-mode-toggle-btn:hover {
    opacity: 1;
    background: rgba(76, 175, 80, 0.2);
    border-color: rgba(76, 175, 80, 0.5);
    color: #4CAF50;
    transform: scale(1.05);
}

.edit-mode-toggle-btn:active {
    transform: scale(0.95);
}

.edit-mode-toggle-btn.active {
    background: rgba(76, 175, 80, 0.3);
    border-color: #4CAF50;
    color: #4CAF50;
    opacity: 1;
}

.edit-mode-toggle-btn svg {
    width: 20px;
    height: 20px;
}

/* Hide the edit toolbar in standalone single-slide viewer */
.edit-toolbar {
    display: none !important;
}

/* Theme Navigation (for browsing slides in a theme directory) */
.theme-nav {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    border-radius: 24px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    z-index: 1000;
}

.theme-nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-nav-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.theme-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.theme-nav-btn svg {
    width: 20px;
    height: 20px;
}

.slide-indicator {
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-secondary, 'Inter', sans-serif);
    font-size: 14px;
    font-weight: 500;
    min-width: 60px;
    text-align: center;
    user-select: none;
}

/* Hide theme nav in external/public/screenshot modes */
.external-ui-mode .theme-nav,
.public-ui-mode .theme-nav,
body.screenshot-mode .theme-nav {
    display: none !important;
}

/* Recompile Button (internal mode only) */
.recompile-btn {
    position: fixed;
    top: 20px;
    right: 70px;
    height: 40px;
    padding: 0 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0.6;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 13px;
    font-weight: 500;
}

.recompile-btn:hover {
    opacity: 1;
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    color: #3B82F6;
    transform: scale(1.02);
}

.recompile-btn:active {
    transform: scale(0.98);
}

.recompile-btn.loading {
    pointer-events: none;
    opacity: 0.5;
}

.recompile-btn.loading svg {
    animation: spin 1s linear infinite;
}

.recompile-btn.success {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.5);
    color: #22C55E;
}

.recompile-btn.error {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: #EF4444;
}

.recompile-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.recompile-text {
    white-space: nowrap;
}

/* Hide recompile button during fullscreen playback */
.app-container:fullscreen .recompile-btn,
.app-container:-webkit-full-screen .recompile-btn,
.app-container:-moz-full-screen .recompile-btn {
    display: none;
}

/* Hide edit button during fullscreen playback */
.app-container:fullscreen .edit-mode-toggle-btn,
.app-container:-webkit-full-screen .edit-mode-toggle-btn,
.app-container:-moz-full-screen .edit-mode-toggle-btn {
    display: none;
}

/* ========================== */
/* External UI Mode           */
/* ========================== */

/* When external UI mode is active, hide all native controls */
.external-ui-mode .player-controls {
    display: none !important;
}

.external-ui-mode .edit-mode-toggle-btn,
.external-ui-mode .recompile-btn {
    /* Keep in DOM for SlideViewerManager but make invisible */
    opacity: 0 !important;
    pointer-events: none !important;
    position: absolute !important;
    z-index: -1 !important;
}

.external-ui-mode .slide-info-bar {
    display: none !important;
}

/* Hide edit toolbar in external UI mode (React provides its own toolbar) */
.external-ui-mode .edit-toolbar,
.external-ui-mode .editor-toolbar {
    display: none !important;
}

/* Make viewport full height when controls are hidden */
.external-ui-mode .viewport-container {
    height: 100vh !important;
    max-height: 100vh !important;
}

.external-ui-mode .slide-viewport {
    border-radius: 0 !important;
    border: none !important;
}

.external-ui-mode .main-content {
    padding: 0 !important;
}

/* Remove any padding/margin when in external mode */
.external-ui-mode {
    padding: 0 !important;
    margin: 0 !important;
}

/* Ensure clean rendering without shadows/effects in external mode */
.external-ui-mode .viewport-container {
    box-shadow: none !important;
    background: transparent !important;
}

/* Enhanced Features - Z-index hierarchy */
.edit-toolbar {
    z-index: 2000 !important;
}

.asset-panel {
    z-index: 1000 !important;
}

.pexels-modal {
    z-index: 10000 !important;
}

/* Ensure main content works with asset panel */
.app-container>.main-content {
    transition: margin-right 0.3s ease;
}

/* Adjust layout when asset panel is open */
body.asset-panel-open .app-container>.main-content {
    margin-right: 400px;
}

@media (max-width: 1024px) {
    body.asset-panel-open .app-container>.main-content {
        margin-right: 0;
    }
}

/* Notification animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.notification {
    animation: fadeInUp 0.3s ease-out;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================== */
/* Public UI Mode             */
/* ========================== */

/* Public mode: Full playback controls but NO edit features */
.public-ui-mode .edit-mode-toggle-btn,
.public-ui-mode .recompile-btn {
    display: none !important;
}

.public-ui-mode .edit-toolbar,
.public-ui-mode .editor-toolbar {
    display: none !important;
}

.public-ui-mode .slide-info-bar {
    display: none !important;
}

/* Keep player controls visible in public mode */
.public-ui-mode .player-controls {
    display: block !important;
}

/* Clean up viewport in public mode */
.public-ui-mode .viewport-container {
    background: #000 !important;
}

/* Remove any edit-related overlays */
.public-ui-mode .asset-panel,
.public-ui-mode .pexels-modal,
.public-ui-mode .context-menu {
    display: none !important;
}

/* Disable edit mode toggling in public mode */
.public-ui-mode .slide-viewport {
    pointer-events: auto !important;
}

/* Ensure slide elements are not editable in public mode */
.public-ui-mode [data-editable],
.public-ui-mode [contenteditable] {
    pointer-events: none !important;
    user-select: none !important;
    -webkit-user-select: none !important;
}

/* Simpler, cleaner controls for public viewing */
.public-ui-mode .player-controls {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.95) 100%) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}
/* ========================================
   Screenshot Mode
   ======================================== 
   Used by screenshot service for capturing static slides.
   Hides ALL UI elements - only the slide viewport is visible.
*/

/* Hide all UI elements in screenshot mode */
body.screenshot-mode .player-controls,
body.screenshot-mode .edit-mode-toggle-btn,
body.screenshot-mode .recompile-btn,
body.screenshot-mode .slide-info-bar,
body.screenshot-mode .loading-indicator,
body.screenshot-mode .edit-toolbar,
body.screenshot-mode .editor-toolbar,
body.screenshot-mode .asset-panel,
body.screenshot-mode .pexels-modal,
body.screenshot-mode .context-menu,
body.screenshot-mode .text-toolbar {
    display: none !important;
}

/* Full viewport in screenshot mode - no margins/padding */
body.screenshot-mode {
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    overflow: hidden !important;
}

body.screenshot-mode .app-container {
    background: transparent !important;
}

body.screenshot-mode .main-content {
    padding: 0 !important;
    margin: 0 !important;
}

body.screenshot-mode .viewport-container {
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
}

/* Slide viewport takes full space in screenshot mode */
body.screenshot-mode .slide-viewport {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: var(--viewport-width, 1920px) !important;
    height: var(--viewport-height, 1080px) !important;
    transform: none !important;
    transform-origin: top left !important;
}

/* Disable all interactions in screenshot mode */
body.screenshot-mode * {
    pointer-events: none !important;
    user-select: none !important;
}

/* ========================================
   Comparison Mode
   ========================================
   Side-by-side comparison of compiled slide vs original reference
*/

/* Comparison Button (next to recompile button) */
.comparison-btn {
    position: fixed;
    top: 20px;
    right: 180px;
    height: 40px;
    padding: 0 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0.6;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 13px;
    font-weight: 500;
}

.comparison-btn:hover {
    opacity: 1;
    background: rgba(168, 85, 247, 0.2);
    border-color: rgba(168, 85, 247, 0.5);
    color: #A855F7;
    transform: scale(1.02);
}

.comparison-btn:active {
    transform: scale(0.98);
}

.comparison-btn.active {
    background: rgba(168, 85, 247, 0.3);
    border-color: #A855F7;
    color: #A855F7;
    opacity: 1;
}

.comparison-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.comparison-text {
    white-space: nowrap;
}

/* Hide comparison button in external/public/screenshot modes */
.external-ui-mode .comparison-btn,
.public-ui-mode .comparison-btn,
body.screenshot-mode .comparison-btn {
    display: none !important;
}

/* Hide comparison button during fullscreen */
.app-container:fullscreen .comparison-btn,
.app-container:-webkit-full-screen .comparison-btn,
.app-container:-moz-full-screen .comparison-btn {
    display: none;
}

/* Comparison Panel - Right side panel */
.comparison-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 50%;
    height: 100vh;
    background: var(--bg-secondary, #141414);
    border-left: 1px solid var(--border-color, #2a2a2a);
    display: flex;
    flex-direction: column;
    z-index: 999;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-tertiary, #1a1a1a);
    border-bottom: 1px solid var(--border-color, #2a2a2a);
}

.comparison-title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #fff);
}

.close-comparison-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.close-comparison-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #EF4444;
}

/* Comparison content area - split top/bottom */
.comparison-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.comparison-top,
.comparison-bottom {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    position: relative;
}

.comparison-label {
    padding: 8px 16px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary, #a0a0a0);
    background: rgba(0, 0, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-divider {
    height: 3px;
    background: var(--border-color, #2a2a2a);
    flex-shrink: 0;
}

/* Iframe for slide_optimized.html */
.optimized-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: #000;
}

/* Image for screenshot */
.screenshot-img {
    flex: 1;
    width: 100%;
    object-fit: contain;
    background: #000;
}

/* Main content adjustment when comparison is open */
body.comparison-mode .app-container {
    width: 50%;
}

body.comparison-mode .viewport-container {
    /* Adjust scaling for narrower viewport */
}

/* Ensure the slide viewport rescales properly */
body.comparison-mode .slide-viewport {
    /* Will be handled by existing scaling logic */
}

/* Hide comparison panel in screenshot mode */
body.screenshot-mode .comparison-panel {
    display: none !important;
}

/* Responsive adjustments for smaller screens */
@media (max-width: 1200px) {
    .comparison-panel {
        width: 60%;
    }

    body.comparison-mode .app-container {
        width: 40%;
    }
}

@media (max-width: 900px) {
    /* Stack vertically on small screens */
    .comparison-panel {
        width: 100%;
        height: 50%;
        top: auto;
        bottom: 0;
        border-left: none;
        border-top: 1px solid var(--border-color, #2a2a2a);
    }

    body.comparison-mode .app-container {
        width: 100%;
        height: 50%;
    }
}

/* =============================================
   EXPORT MODE STYLES
   Used for video export (uiMode=export)
   ============================================= */

body.export-mode {
    /* Remove all padding/margin for exact dimensions */
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: transparent;
}

body.export-mode .app-container {
    width: var(--viewport-width, 1920px);
    height: var(--viewport-height, 1080px);
    padding: 0;
    margin: 0;
}

body.export-mode .main-content {
    width: var(--viewport-width, 1920px);
    height: var(--viewport-height, 1080px);
    padding: 0;
}

body.export-mode .viewport-container {
    width: var(--viewport-width, 1920px);
    height: var(--viewport-height, 1080px);
    padding: 0;
    margin: 0;
}

body.export-mode .slide-viewport {
    width: var(--viewport-width, 1920px);
    height: var(--viewport-height, 1080px);
    transform: none !important;
    border-radius: 0;
    box-shadow: none;
    position: absolute;
    top: 0;
    left: 0;
}

/* In export mode, remove CSS containment from slide-isolator.
   CSS containment (contain: layout style paint) causes Chrome to render
   replaced elements (video, canvas) at incorrect dimensions.
   ShadowSlideRenderer (preview) uses simple overflow:hidden instead. */
body.export-mode .slide-isolator {
    contain: none !important;
    overflow: hidden;
}

/* Hide all UI elements in export mode */
body.export-mode .player-controls,
body.export-mode .edit-mode-toggle-btn,
body.export-mode .recompile-btn,
body.export-mode .comparison-btn,
body.export-mode .comparison-panel,
body.export-mode #themeNav,
body.export-mode .loading-indicator,
body.export-mode .slide-info-bar {
    display: none !important;
}