fix layout issues and export on windows

src/components/video-editor/PlaybackControls.tsx

@@ -31,12 +31,12 @@ export default function PlaybackControls({
   const progress = duration > 0 ? (currentTime / duration) * 100 : 0;
 
   return (
-    <div className="flex items-center gap-4 px-6 py-3 rounded-full bg-black/60 backdrop-blur-md border border-white/10 shadow-xl transition-all duration-300 hover:bg-black/70 hover:border-white/20">
+    <div className="flex items-center gap-3 px-4 py-2 rounded-full bg-black/60 backdrop-blur-md border border-white/10 shadow-xl transition-all duration-300 hover:bg-black/70 hover:border-white/20">
       <Button
         onClick={onTogglePlayPause}
         size="icon"
         className={cn(
-          "w-10 h-10 rounded-full transition-all duration-200 border border-white/10",
+          "w-8 h-8 rounded-full transition-all duration-200 border border-white/10",
           isPlaying 
             ? "bg-white/10 text-white hover:bg-white/20" 
             : "bg-white text-black hover:bg-white/90 hover:scale-105 shadow-[0_0_15px_rgba(255,255,255,0.3)]"
@@ -44,19 +44,19 @@ export default function PlaybackControls({
         aria-label={isPlaying ? 'Pause' : 'Play'}
       >
         {isPlaying ? (
-          <Pause className="w-4 h-4 fill-current" />
+          <Pause className="w-3.5 h-3.5 fill-current" />
         ) : (
-          <Play className="w-4 h-4 fill-current ml-0.5" />
+          <Play className="w-3.5 h-3.5 fill-current ml-0.5" />
         )}
       </Button>
       
-      <span className="text-xs font-medium text-slate-300 tabular-nums w-[40px] text-right">
+      <span className="text-[10px] font-medium text-slate-300 tabular-nums w-[35px] text-right">
         {formatTime(currentTime)}
       </span>
       
-      <div className="flex-1 relative h-8 flex items-center group">
+      <div className="flex-1 relative h-6 flex items-center group">
         {/* Custom Track Background */}
-        <div className="absolute left-0 right-0 h-1 bg-white/10 rounded-full overflow-hidden">
+        <div className="absolute left-0 right-0 h-0.5 bg-white/10 rounded-full overflow-hidden">
           <div 
             className="h-full bg-[#34B27B] rounded-full"
             style={{ width: `${progress}%` }}
@@ -76,7 +76,7 @@ export default function PlaybackControls({
         
         {/* Custom Thumb (visual only, follows progress) */}
         <div 
-          className="absolute w-3 h-3 bg-white rounded-full shadow-lg pointer-events-none group-hover:scale-125 transition-transform duration-100"
+          className="absolute w-2.5 h-2.5 bg-white rounded-full shadow-lg pointer-events-none group-hover:scale-125 transition-transform duration-100"
           style={{ 
             left: `${progress}%`,
             transform: 'translateX(-50%)'
@@ -84,7 +84,7 @@ export default function PlaybackControls({
         />
       </div>
       
-      <span className="text-xs font-medium text-slate-500 tabular-nums w-[40px]">
+      <span className="text-[10px] font-medium text-slate-500 tabular-nums w-[35px]">
         {formatTime(duration)}
       </span>
     </div>

src/components/video-editor/VideoEditor.tsx

@@ -280,47 +280,50 @@ export default function VideoEditor() {
 
       <div className="flex-1 p-4 gap-4 flex min-h-0 relative">
         {/* Left Column - Video & Timeline */}
-        <div className="flex-[7] flex flex-col gap-4 min-w-0 h-full">
+        <div className="flex-[7] flex flex-col gap-3 min-w-0 h-full">
           {/* Video Preview Area */}
-          <div className="flex-1 min-h-0 bg-black/40 rounded-2xl border border-white/5 shadow-2xl overflow-hidden relative group">
-            <div className="absolute inset-0 flex flex-col">
-              <div className="flex-1 relative min-h-0 flex items-center justify-center">
-                <VideoPlayback
-                  ref={videoPlaybackRef}
-                  videoPath={videoPath || ''}
-                  onDurationChange={setDuration}
-                  onTimeUpdate={setCurrentTime}
-                  onPlayStateChange={setIsPlaying}
-                  onError={setError}
-                  wallpaper={wallpaper}
-                  zoomRegions={zoomRegions}
-                  selectedZoomId={selectedZoomId}
-                  onSelectZoom={handleSelectZoom}
-                  onZoomFocusChange={handleZoomFocusChange}
-                  isPlaying={isPlaying}
-                  showShadow={showShadow}
-                  showBlur={showBlur}
-                  cropRegion={cropRegion}
-                />
+          <div className="flex-shrink-0 bg-black/40 rounded-2xl border border-white/5 shadow-2xl overflow-hidden">
+            <div className="flex flex-col">
+              {/* Video Container - Fixed aspect ratio */}
+              <div className="relative w-full" style={{ paddingBottom: '56.25%' }}> {/* 16:9 aspect ratio */}
+                <div className="absolute inset-0 flex items-center justify-center p-4">
+                  <div className="relative w-full h-full max-w-full max-h-full">
+                    <VideoPlayback
+                      ref={videoPlaybackRef}
+                      videoPath={videoPath || ''}
+                      onDurationChange={setDuration}
+                      onTimeUpdate={setCurrentTime}
+                      onPlayStateChange={setIsPlaying}
+                      onError={setError}
+                      wallpaper={wallpaper}
+                      zoomRegions={zoomRegions}
+                      selectedZoomId={selectedZoomId}
+                      onSelectZoom={handleSelectZoom}
+                      onZoomFocusChange={handleZoomFocusChange}
+                      isPlaying={isPlaying}
+                      showShadow={showShadow}
+                      showBlur={showBlur}
+                      cropRegion={cropRegion}
+                    />
+                  </div>
+                </div>
               </div>
               
-              {/* Floating Playback Controls */}
-              <div className="px-6 pb-6 pt-2 pointer-events-none">
-                <div className="pointer-events-auto">
-                  <PlaybackControls
-                    isPlaying={isPlaying}
-                    currentTime={currentTime}
-                    duration={duration}
-                    onTogglePlayPause={togglePlayPause}
-                    onSeek={handleSeek}
-                  />
-                </div>
+              {/* Playback Controls - Below video */}
+              <div className="px-4 pb-3 pt-2">
+                <PlaybackControls
+                  isPlaying={isPlaying}
+                  currentTime={currentTime}
+                  duration={duration}
+                  onTogglePlayPause={togglePlayPause}
+                  onSeek={handleSeek}
+                />
               </div>
             </div>
           </div>
 
           {/* Timeline Area */}
-          <div className="h-[220px] flex-shrink-0 bg-[#09090b] rounded-2xl border border-white/5 shadow-lg overflow-hidden flex flex-col">
+          <div className="flex-1 min-h-[180px] bg-[#09090b] rounded-2xl border border-white/5 shadow-lg overflow-hidden flex flex-col">
             <TimelineEditor
               videoDuration={duration}
               currentTime={currentTime}

src/lib/exporter/frameRenderer.ts

@@ -57,9 +57,16 @@ export class FrameRenderer {
     const canvas = document.createElement('canvas');
     canvas.width = this.config.width;
     canvas.height = this.config.height;
-    if ('colorSpace' in canvas) {
-      // @ts-ignore
-      canvas.colorSpace = 'srgb';
+    
+    // Try to set colorSpace if supported (may not be available on all platforms)
+    try {
+      if (canvas && 'colorSpace' in canvas) {
+        // @ts-ignore
+        canvas.colorSpace = 'srgb';
+      }
+    } catch (error) {
+      // Silently ignore colorSpace errors on platforms that don't support it
+      console.warn('[FrameRenderer] colorSpace not supported on this platform:', error);
     }
 
     // Initialize PixiJS app with transparent background (background rendered separately)
@@ -95,6 +102,10 @@ export class FrameRenderer {
     this.compositeCanvas.width = this.config.width;
     this.compositeCanvas.height = this.config.height;
     this.compositeCtx = this.compositeCanvas.getContext('2d', { willReadFrequently: false });
+    
+    if (!this.compositeCtx) {
+      throw new Error('Failed to get 2D context for composite canvas');
+    }
 
     // Setup shadow canvas if needed
     if (this.config.showShadow) {
@@ -102,6 +113,10 @@ export class FrameRenderer {
       this.shadowCanvas.width = this.config.width;
       this.shadowCanvas.height = this.config.height;
       this.shadowCtx = this.shadowCanvas.getContext('2d', { willReadFrequently: false });
+      
+      if (!this.shadowCtx) {
+        throw new Error('Failed to get 2D context for shadow canvas');
+      }
     }
 
     // Setup mask