diff --git a/src/lib/components/common/DocxPreview.svelte b/src/lib/components/common/DocxPreview.svelte
index dacc79fa53..ce0624adf3 100644
--- a/src/lib/components/common/DocxPreview.svelte
+++ b/src/lib/components/common/DocxPreview.svelte
@@ -148,7 +148,7 @@
 </script>
 
 <div
-	class="owui-docx-preview relative min-h-full bg-transparent {className}"
+	class="relative min-h-full bg-transparent [&_.docx-wrapper]:flex [&_.docx-wrapper]:flex-col [&_.docx-wrapper]:items-center [&_.docx-wrapper]:bg-transparent [&_.docx-wrapper]:pt-4 [&_.docx-wrapper]:pb-14 [&_.docx-wrapper>section.docx]:!mx-auto [&_.docx-wrapper>section.docx]:!mt-0 [&_.docx-wrapper>section.docx]:!mb-1 [&_.docx-wrapper>section.docx]:!shadow-[0_1px_4px_rgba(0,0,0,0.18)] [&_.docx-wrapper>section.docx]:[zoom:var(--docx-scale)] {className}"
 	style="--docx-scale: {docxScale};"
 >
 	<div bind:this={styleEl}></div>
@@ -164,7 +164,7 @@
 	{:else if fallbackHtml}
 		<div bind:this={outerContainer} class="h-full overflow-auto overscroll-contain">
 			<div
-				class="owui-docx-fallback max-w-[816px] min-h-[1056px] my-4 mx-auto py-14 px-16 bg-white text-gray-900 shadow rounded-sm font-[Calibri,Arial,sans-serif] text-base leading-[1.45]"
+				class="max-w-[816px] min-h-[1056px] my-4 mx-auto py-14 px-16 bg-white text-gray-900 shadow rounded-sm font-[Calibri,Arial,sans-serif] text-base leading-[1.45] [&_.docx-title]:m-0 [&_.docx-title]:mb-4 [&_.docx-title]:text-3xl [&_.docx-title]:leading-[1.2] [&_.docx-subtitle]:mt-[-0.5rem] [&_.docx-subtitle]:mb-5 [&_.docx-subtitle]:text-xl [&_.docx-subtitle]:text-gray-500 [&_.docx-caption]:text-center [&_.docx-caption]:text-sm [&_.docx-caption]:text-gray-500 [&_p]:mt-0 [&_p]:mb-[0.65rem] [&_img]:block [&_img]:max-w-full [&_img]:h-auto [&_img]:my-3 [&_img]:mx-auto [&_table]:w-full [&_table]:my-3 [&_table]:border-collapse [&_table]:font-[Calibri,Arial,sans-serif] [&_table]:text-[0.95rem] [&_td]:border [&_td]:border-gray-300/70 [&_td]:px-2 [&_td]:py-1.5 [&_td]:align-top [&_th]:border [&_th]:border-gray-300/70 [&_th]:px-2 [&_th]:py-1.5 [&_th]:align-top [&_blockquote]:my-4 [&_blockquote]:border-l-[3px] [&_blockquote]:border-gray-300 [&_blockquote]:pl-4 [&_blockquote]:text-gray-700"
 			>
 				<!-- eslint-disable-next-line svelte/no-at-html-tags -->
 				{@html fallbackHtml}
@@ -185,7 +185,8 @@
 			class="absolute bottom-3 left-1/2 -translate-x-1/2 z-10 flex items-center gap-0.5 rounded-lg bg-white/90 dark:bg-gray-850/90 backdrop-blur-sm shadow-lg border border-gray-200/60 dark:border-gray-700/60 px-1 py-0.5"
 		>
 			<button
-				class="p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
+				type="button"
+				class="shrink-0 min-w-7 h-7 inline-flex items-center justify-center p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
 				on:click={zoomOut}
 				aria-label="Zoom out"
 			>
@@ -203,14 +204,16 @@
 				</svg>
 			</button>
 			<button
-				class="px-1.5 py-1 min-w-[3rem] text-center text-[11px] font-normal text-gray-500 dark:text-gray-400 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition tabular-nums"
+				type="button"
+				class="shrink-0 min-w-12 h-7 px-1.5 py-1 text-center text-[11px] font-normal text-gray-500 dark:text-gray-400 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition tabular-nums"
 				on:click={resetView}
 				aria-label="Reset zoom"
 			>
 				{Math.round(zoomLevel * 100)}%
 			</button>
 			<button
-				class="p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
+				type="button"
+				class="shrink-0 min-w-7 h-7 inline-flex items-center justify-center p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
 				on:click={zoomIn}
 				aria-label="Zoom in"
 			>
@@ -228,70 +231,3 @@
 		</div>
 	{/if}
 </div>
-
-<style>
-	.owui-docx-preview :global(.docx-wrapper) {
-		background: transparent;
-		display: flex;
-		flex-direction: column;
-		align-items: center;
-		padding: 16px 0 56px;
-	}
-
-	.owui-docx-preview :global(.docx-wrapper > section.docx) {
-		margin: 0 auto 4px !important;
-		box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18) !important;
-		zoom: var(--docx-scale);
-	}
-
-	.owui-docx-fallback :global(.docx-title) {
-		font-size: 2rem;
-		line-height: 1.2;
-		margin: 0 0 1rem;
-	}
-
-	.owui-docx-fallback :global(.docx-subtitle) {
-		font-size: 1.25rem;
-		color: #6b7280;
-		margin: -0.5rem 0 1.25rem;
-	}
-
-	.owui-docx-fallback :global(.docx-caption) {
-		color: #6b7280;
-		font-size: 0.875rem;
-		text-align: center;
-	}
-
-	.owui-docx-fallback :global(p) {
-		margin: 0 0 0.65rem;
-	}
-
-	.owui-docx-fallback :global(img) {
-		display: block;
-		max-width: 100%;
-		height: auto;
-		margin: 0.75rem auto;
-	}
-
-	.owui-docx-fallback :global(table) {
-		width: 100%;
-		margin: 0.75rem 0;
-		border-collapse: collapse;
-		font-family: Calibri, Arial, sans-serif;
-		font-size: 0.95rem;
-	}
-
-	.owui-docx-fallback :global(table td),
-	.owui-docx-fallback :global(table th) {
-		border: 1px solid rgba(200, 200, 200, 0.6);
-		padding: 6px 8px;
-		vertical-align: top;
-	}
-
-	.owui-docx-fallback :global(blockquote) {
-		margin: 1rem 0;
-		padding-left: 1rem;
-		border-left: 3px solid #d1d5db;
-		color: #374151;
-	}
-</style>
diff --git a/src/lib/components/common/PDFViewer.svelte b/src/lib/components/common/PDFViewer.svelte
index 1dea844f4f..8026c53fba 100644
--- a/src/lib/components/common/PDFViewer.svelte
+++ b/src/lib/components/common/PDFViewer.svelte
@@ -289,7 +289,8 @@
 			class="absolute bottom-3 left-1/2 -translate-x-1/2 z-10 flex items-center gap-0.5 rounded-lg bg-white/90 dark:bg-gray-850/90 backdrop-blur-sm shadow-lg border border-gray-200/60 dark:border-gray-700/60 px-1 py-0.5"
 		>
 			<button
-				class="p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
+				type="button"
+				class="shrink-0 min-w-7 h-7 inline-flex items-center justify-center p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
 				on:click={zoomOut}
 				aria-label="Zoom out"
 			>
@@ -307,14 +308,16 @@
 				</svg>
 			</button>
 			<button
-				class="px-1.5 py-1 min-w-[3rem] text-center text-[11px] font-normal text-gray-500 dark:text-gray-400 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition tabular-nums"
+				type="button"
+				class="shrink-0 min-w-12 h-7 px-1.5 py-1 text-center text-[11px] font-normal text-gray-500 dark:text-gray-400 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition tabular-nums"
 				on:click={resetView}
 				aria-label="Reset zoom"
 			>
 				{Math.round(zoomLevel * 100)}%
 			</button>
 			<button
-				class="p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
+				type="button"
+				class="shrink-0 min-w-7 h-7 inline-flex items-center justify-center p-1.5 rounded-md hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-500 dark:text-gray-400"
 				on:click={zoomIn}
 				aria-label="Zoom in"
 			>