diff --git a/src/renderer/Image.h b/src/renderer/Image.h
index a5ef3ab6c..8a277fee3 100644
--- a/src/renderer/Image.h
+++ b/src/renderer/Image.h
@@ -207,6 +207,11 @@ class idImage {
 	textureUsage_t GetUsage() const { return usage; }
 	bool		IsDefaulted() const { return defaulted; }
 	bool		IsScratchImage() const { return scratchImage; }
+	bool		IsFontAtlas() const {
+		return idStr::Icmpn( imgName, "_ttfatlas", 9 ) == 0 ||
+		       idStr::Icmpn( imgName, "_ttfconsole", 11 ) == 0 ||
+		       idStr::Icmp( imgName, "_consoleFont" ) == 0;
+	}
 
 	void		SetReferencedOutsideLevelLoad() { referencedOutsideLevelLoad = true; }
 	void		SetReferencedInsideLevelLoad() { levelLoadReferenced = true; }
diff --git a/src/renderer/ImageManager.cpp b/src/renderer/ImageManager.cpp
index e7e71edf3..313c60f83 100644
--- a/src/renderer/ImageManager.cpp
+++ b/src/renderer/ImageManager.cpp
@@ -997,7 +997,11 @@ void idImageManager::ReloadImages( bool all ) {
 	R_SetDDSProbeCacheActive( false );
 
 	for ( int i = 0 ; i < globalImages->images.Num() ; i++ ) {
-		globalImages->images[ i ]->Reload( all );
+		idImage *image = globalImages->images[ i ];
+		if ( image == NULL || image->IsFontAtlas() ) {
+			continue;
+		}
+		image->Reload( all );
 	}
 }
 
diff --git a/src/renderer/Image_load.cpp b/src/renderer/Image_load.cpp
index d2cd59713..f9971ef4f 100644
--- a/src/renderer/Image_load.cpp
+++ b/src/renderer/Image_load.cpp
@@ -1750,6 +1750,14 @@ void idImage::Reload( bool force ) {
 		return;
 	}
 
+	// Procedural font atlases are CPU-generated FreeType pages rather than
+	// disk files or render targets. Never purge or reallocate them with NULL
+	// data during texture reload, or UI text will be destroyed when texture
+	// reduction/quality cvars change.
+	if ( IsFontAtlas() ) {
+		return;
+	}
+
 	// persistent images are runtime render targets, not file-backed
 	if ( opts.isPersistant ) {
 		common->DPrintf( "reallocating persistent %s.\n", GetName() );
diff --git a/src/renderer/OpenGL/gl_ContextSDL3.cpp b/src/renderer/OpenGL/gl_ContextSDL3.cpp
index 2ff31f8e2..b91f33de8 100644
--- a/src/renderer/OpenGL/gl_ContextSDL3.cpp
+++ b/src/renderer/OpenGL/gl_ContextSDL3.cpp
@@ -96,6 +96,17 @@ static void SDL3_WindowParmsFromGlimpParms(const glimpParms_t &src, renderWindow
 	dst.multiSamples = src.multiSamples;
 }
 
+static void SDL3_SyncGLConfigWindowDimensions( const renderModuleWindowInfo_t &windowInfo ) {
+	if ( windowInfo.pixelWidth > 0 && windowInfo.pixelHeight > 0 ) {
+		glConfig.vidWidth = windowInfo.pixelWidth;
+		glConfig.vidHeight = windowInfo.pixelHeight;
+	}
+	glConfig.uiViewportX = windowInfo.uiViewportX;
+	glConfig.uiViewportY = windowInfo.uiViewportY;
+	glConfig.uiViewportWidth = windowInfo.uiViewportWidth;
+	glConfig.uiViewportHeight = windowInfo.uiViewportHeight;
+}
+
 static bool SDL3_EnsureGLContextCurrent(const char *operation) {
 	if (!s_glWindow || !s_glContext) {
 		return false;
@@ -487,6 +498,7 @@ bool GLimp_Init(glimpParms_t parms) {
 
 	s_glWindowServices->RefreshNativeWindowHandles(&windowInfo);
 	s_glHDC = windowInfo.nativeDisplayHandle;
+	SDL3_SyncGLConfigWindowDimensions(windowInfo);
 	SDL3_LoadWGLExtensions();
 	if (r_swapInterval.IsModified()) {
 		r_swapInterval.ClearModified();
@@ -523,6 +535,7 @@ bool GLimp_SetScreenParms(glimpParms_t parms) {
 	renderModuleWindowInfo_t windowInfo;
 	windowServices->RefreshNativeWindowHandles(&windowInfo);
 	s_glHDC = windowInfo.nativeDisplayHandle;
+	SDL3_SyncGLConfigWindowDimensions(windowInfo);
 	r_swapInterval.SetModified();
 	if (r_swapInterval.IsModified()) {
 		r_swapInterval.ClearModified();
@@ -572,14 +585,7 @@ void GLimp_SwapBuffers(void) {
 	if (s_glWindow && s_glWindowServices != NULL && s_glWindowServices->RefreshNativeWindowHandles != NULL) {
 		renderModuleWindowInfo_t windowInfo;
 		s_glWindowServices->RefreshNativeWindowHandles(&windowInfo);
-		if (windowInfo.pixelWidth > 0 && windowInfo.pixelHeight > 0) {
-			glConfig.vidWidth = windowInfo.pixelWidth;
-			glConfig.vidHeight = windowInfo.pixelHeight;
-		}
-		glConfig.uiViewportX = windowInfo.uiViewportX;
-		glConfig.uiViewportY = windowInfo.uiViewportY;
-		glConfig.uiViewportWidth = windowInfo.uiViewportWidth;
-		glConfig.uiViewportHeight = windowInfo.uiViewportHeight;
+		SDL3_SyncGLConfigWindowDimensions(windowInfo);
 	}
 
 	if (SDL3_EnsureGLContextCurrent("swap buffers") && !s_glWindowServices->SwapGLWindow()) {
diff --git a/src/renderer/RenderSystem_init.cpp b/src/renderer/RenderSystem_init.cpp
index 4f2388696..06121bebd 100644
--- a/src/renderer/RenderSystem_init.cpp
+++ b/src/renderer/RenderSystem_init.cpp
@@ -4944,6 +4944,7 @@ static void R_PerformFullVidRestart( bool forceWindow ) {
 
 	R_InitFreeType();
 	R_RefreshConsoleFontAtlas();
+	R_TTFRestoreAtlasMaterials();
 }
 
 static GLenum R_ClearPendingGLErrors( void ) {
diff --git a/src/renderer/tr_fontTTF.cpp b/src/renderer/tr_fontTTF.cpp
index d5617d415..3fe0fbe5a 100644
--- a/src/renderer/tr_fontTTF.cpp
+++ b/src/renderer/tr_fontTTF.cpp
@@ -1213,6 +1213,24 @@ bool R_RegisterTrueTypeFont( const char *fontName, fontInfoEx_t &font ) {
 	}
 
 	if ( built != 3 ) {
+		if ( built > 0 ) {
+			if ( font.fontInfoSmall.pointSize <= 0.0f && font.fontInfoMedium.pointSize > 0.0f ) {
+				font.fontInfoSmall = font.fontInfoMedium;
+				font.maxWidthSmall = font.maxWidthMedium;
+				font.maxHeightSmall = font.maxHeightMedium;
+			}
+			if ( font.fontInfoLarge.pointSize <= 0.0f && font.fontInfoMedium.pointSize > 0.0f ) {
+				font.fontInfoLarge = font.fontInfoMedium;
+				font.maxWidthLarge = font.maxWidthMedium;
+				font.maxHeightLarge = font.maxHeightMedium;
+			} else if ( font.fontInfoLarge.pointSize <= 0.0f && font.fontInfoSmall.pointSize > 0.0f ) {
+				font.fontInfoLarge = font.fontInfoSmall;
+				font.maxWidthLarge = font.maxWidthSmall;
+				font.maxHeightLarge = font.maxHeightSmall;
+			}
+			common->Warning( "TTF font: '%s' only produced %i of 3 sizes; propagated missing sizes", fontName, built );
+			return true;
+		}
 		common->Warning( "TTF font: '%s' only produced %i of 3 sizes; using the bitmap font", fontName, built );
 		return false;
 	}
@@ -1400,7 +1418,8 @@ void R_ShutdownTrueTypeFonts( void ) {
 	}
 	ttfConsoleMaterial = NULL;
 	ttfConsoleOriginalImage = NULL;
-	ttfAtlasMaterials.DeleteContents( true );
+	// Procedural atlas definitions persist across context recreate so they can be reasserted.
+	// ttfAtlasMaterials.DeleteContents( true );
 	// Nothing may still be drawing by this point: every fontInfo_t that shares a
 	// page set is dead with the renderer, and idDeviceContext re-registers its
 	// fonts from scratch after a restart.
diff --git a/src/ui/DeviceContext.cpp b/src/ui/DeviceContext.cpp
index 7d9fb2342..af32c5b85 100644
--- a/src/ui/DeviceContext.cpp
+++ b/src/ui/DeviceContext.cpp
@@ -1218,7 +1218,7 @@ bool idDeviceContext::ReloadFonts() {
 	} else if ( useFontSlot == 2 ) {
 		useFont = &activeFont->fontInfoLarge;
 	} else {
-		useFont = NULL;
+		useFont = ( activeFont != NULL ) ? &activeFont->fontInfoSmall : NULL;
 	}
 
 	return allFontsReloaded;
@@ -1245,6 +1245,7 @@ void idDeviceContext::EnsureFontsCurrent() {
 	fontsCodePageGeneration = currentCodePageGeneration;
 	if ( !ReloadFonts() ) {
 		common->Warning( "could not rebuild every GUI font" );
+		fontsVideoRestartCount = -1;
 	}
 }
 
@@ -1253,6 +1254,7 @@ void idDeviceContext::SetFont( int num ) {
 
 	if ( fonts.Num() == 0 ) {
 		activeFont = NULL;
+		useFont = NULL;
 		return;
 	}
 	if ( num >= 0 && num < fonts.Num() ) {
@@ -1260,6 +1262,9 @@ void idDeviceContext::SetFont( int num ) {
 	} else {
 		activeFont = &fonts[0];
 	}
+	if ( activeFont != NULL && ( useFont == NULL || ( useFont != &activeFont->fontInfoSmall && useFont != &activeFont->fontInfoMedium && useFont != &activeFont->fontInfoLarge ) ) ) {
+		useFont = &activeFont->fontInfoSmall;
+	}
 }
 
 void idDeviceContext::SizeIcon( embeddedIcon_t &icon ) {
@@ -2285,6 +2290,17 @@ int idDeviceContext::DrawText(float x, float y, float scale, idVec4 color, const
 	scaledFont.renderScale = openQ4_FontRenderScale( useFont, scale );
 	scaledFont.maxWidth = activeFont != NULL ? activeFont->maxWidth : 0.0f;
 	scaledFont.maxHeight = activeFont != NULL ? activeFont->maxHeight : 0.0f;
+	if ( !openQ4_HasRenderableFont( scaledFont ) && activeFont != NULL ) {
+		if ( activeFont->fontInfoSmall.pointSize > 0.0f ) {
+			useFont = &activeFont->fontInfoSmall;
+		} else if ( activeFont->fontInfoMedium.pointSize > 0.0f ) {
+			useFont = &activeFont->fontInfoMedium;
+		} else if ( activeFont->fontInfoLarge.pointSize > 0.0f ) {
+			useFont = &activeFont->fontInfoLarge;
+		}
+		scaledFont.font = useFont;
+		scaledFont.renderScale = openQ4_FontRenderScale( useFont, scale );
+	}
 
 	if ( !openQ4_HasRenderableFont( scaledFont ) || text == NULL || color.w == 0.0f ) {
 		return 0;
@@ -2904,7 +2920,17 @@ int idDeviceContext::DrawText( const char *text, float textScale, int textAlign,
 	const int visibleCellCount = charSkip > 0.0f ? idMath::FtoiFast( rectDraw.w / charSkip ) : 0;
 
 	SetFontByScale( textScale );
-	const float useScale = openQ4_FontRenderScale( useFont, textScale );
+	float useScale = openQ4_FontRenderScale( useFont, textScale );
+	if ( ( useFont == NULL || useScale == 0.0f ) && activeFont != NULL ) {
+		if ( activeFont->fontInfoSmall.pointSize > 0.0f ) {
+			useFont = &activeFont->fontInfoSmall;
+		} else if ( activeFont->fontInfoMedium.pointSize > 0.0f ) {
+			useFont = &activeFont->fontInfoMedium;
+		} else if ( activeFont->fontInfoLarge.pointSize > 0.0f ) {
+			useFont = &activeFont->fontInfoLarge;
+		}
+		useScale = openQ4_FontRenderScale( useFont, textScale );
+	}
 	if ( useFont == NULL || useScale == 0.0f ) {
 		return visibleCellCount;
 	}