diff --git a/src/lib/components/AppleMusicSearchModal.svelte b/src/lib/components/AppleMusicSearchModal.svelte
index c107f51..393b8e5 100644
--- a/src/lib/components/AppleMusicSearchModal.svelte
+++ b/src/lib/components/AppleMusicSearchModal.svelte
@@ -91,8 +91,15 @@
 </script>
 
 {#if isOpen}
-	<div class="modal-overlay" onclick={close}>
-		<div class="modal-container" onclick={(e) => e.stopPropagation()}>
+	<div class="modal-overlay" role="presentation" onclick={close}>
+		<div
+			class="modal-container"
+			role="dialog"
+			aria-modal="true"
+			tabindex="-1"
+			onclick={(e) => e.stopPropagation()}
+			onkeydown={(e) => e.stopPropagation()}
+		>
 			<div class="modal-header">
 				<h2>Apple Music API Search</h2>
 				<button class="close-btn" onclick={close} aria-label="Close">
diff --git a/src/lib/components/Avatar.svelte b/src/lib/components/Avatar.svelte
index 304498d..25f82e5 100644
--- a/src/lib/components/Avatar.svelte
+++ b/src/lib/components/Avatar.svelte
@@ -86,6 +86,7 @@
 
 <div
 	class="face-container"
+	role="presentation"
 	onmouseenter={handleMouseEnter}
 	onmouseleave={handleMouseLeave}
 	style="transform: scale({scale.current})"
diff --git a/src/lib/components/Lightbox.svelte b/src/lib/components/Lightbox.svelte
index 1e63967..efd2864 100644
--- a/src/lib/components/Lightbox.svelte
+++ b/src/lib/components/Lightbox.svelte
@@ -80,11 +80,19 @@
 	<div
 		class="lightbox-backdrop"
 		onclick={handleBackgroundClick}
+		onkeydown={(e) => e.key === 'Enter' && handleBackgroundClick()}
 		transition:fade={{ duration: TRANSITION_NORMAL_MS }}
 		role="button"
 		tabindex="-1"
 	>
-		<div class="lightbox-content" onclick={(e) => e.stopPropagation()}>
+		<div
+			class="lightbox-content"
+			role="dialog"
+			aria-modal="true"
+			tabindex="-1"
+			onclick={(e) => e.stopPropagation()}
+			onkeydown={(e) => e.stopPropagation()}
+		>
 			<div class="lightbox-image-container">
 				<img
 					src={images[selectedIndex]}
diff --git a/src/lib/components/ProjectContent.svelte b/src/lib/components/ProjectContent.svelte
index 47112e2..350c265 100644
--- a/src/lib/components/ProjectContent.svelte
+++ b/src/lib/components/ProjectContent.svelte
@@ -26,7 +26,7 @@
 			<h2>Gallery</h2>
 			<div class="gallery-grid">
 				{#each project.gallery as image}
-					<img src={image} alt="Project gallery image" />
+					<img src={image} alt="Gallery item" />
 				{/each}
 			</div>
 		</div>
diff --git a/src/lib/components/Slideshow.svelte b/src/lib/components/Slideshow.svelte
index 7b6e893..5d31cfd 100644
--- a/src/lib/components/Slideshow.svelte
+++ b/src/lib/components/Slideshow.svelte
@@ -93,7 +93,13 @@
 {#if items.length === 1}
 	<!-- Single image -->
 	<TiltCard>
-		<div class="single-image image-container" onclick={() => openLightbox()}>
+		<div
+			class="single-image image-container"
+			role="button"
+			tabindex="0"
+			onclick={() => openLightbox()}
+			onkeydown={(e) => e.key === 'Enter' && openLightbox()}
+		>
 			<img src={items[0].url} alt={items[0].alt || alt} />
 			{#if items[0].caption}
 				<div class="image-caption">{items[0].caption}</div>
@@ -104,7 +110,13 @@
 	<!-- Slideshow -->
 	<div class="slideshow">
 		<TiltCard>
-			<div class="main-image image-container" onclick={() => openLightbox()}>
+			<div
+				class="main-image image-container"
+				role="button"
+				tabindex="0"
+				onclick={() => openLightbox()}
+				onkeydown={(e) => e.key === 'Enter' && openLightbox()}
+			>
 				<img
 					src={items[selectedIndex].url}
 					alt={items[selectedIndex].alt || `${alt} ${selectedIndex + 1}`}
diff --git a/src/lib/components/TiltCard.svelte b/src/lib/components/TiltCard.svelte
index ceea541..2840599 100644
--- a/src/lib/components/TiltCard.svelte
+++ b/src/lib/components/TiltCard.svelte
@@ -32,6 +32,7 @@
 <div
 	class="tilt-card"
 	bind:this={cardElement}
+	role="presentation"
 	on:mousemove={handleMouseMove}
 	on:mouseenter={handleMouseEnter}
 	on:mouseleave={handleMouseLeave}
diff --git a/src/lib/components/admin/BaseModal.svelte b/src/lib/components/admin/BaseModal.svelte
index a1846d8..39bf5a3 100644
--- a/src/lib/components/admin/BaseModal.svelte
+++ b/src/lib/components/admin/BaseModal.svelte
@@ -81,12 +81,15 @@
 {#if isOpen}
 	<div
 		class="modal-backdrop"
-		on:click={handleBackdropClick}
+		role="presentation"
+		onclick={handleBackdropClick}
 		transition:fade={{ duration: TRANSITION_FAST_MS }}
 	>
 		<div
 			class={modalClass}
-			on:click|stopPropagation
+			onclick={(e) => e.stopPropagation()}
+			onkeydown={(e) => e.stopPropagation()}
+			tabindex="-1"
 			transition:fade={{ duration: TRANSITION_FAST_MS }}
 			role="dialog"
 			aria-modal="true"
diff --git a/src/lib/components/admin/EssayForm.svelte b/src/lib/components/admin/EssayForm.svelte
index 2ed17a7..d51bb8b 100644
--- a/src/lib/components/admin/EssayForm.svelte
+++ b/src/lib/components/admin/EssayForm.svelte
@@ -375,7 +375,7 @@ $effect(() => {
 							/>
 
 							<div class="tags-field">
-								<label class="input-label">Tags</label>
+								<div class="input-label">Tags</div>
 								<div class="tag-input-wrapper">
 									<Input
 										bind:value={tagInput}
diff --git a/src/lib/components/admin/FileUploadZone.svelte b/src/lib/components/admin/FileUploadZone.svelte
index 8eb6fff..55f921d 100644
--- a/src/lib/components/admin/FileUploadZone.svelte
+++ b/src/lib/components/admin/FileUploadZone.svelte
@@ -84,6 +84,8 @@
 	class:active={dragActive}
 	class:compact
 	class:disabled
+	role="region"
+	aria-label="File upload drop zone"
 	ondragover={handleDragOver}
 	ondragleave={handleDragLeave}
 	ondrop={handleDrop}
diff --git a/src/lib/components/admin/GalleryManager.svelte b/src/lib/components/admin/GalleryManager.svelte
index c07743f..4b20a9b 100644
--- a/src/lib/components/admin/GalleryManager.svelte
+++ b/src/lib/components/admin/GalleryManager.svelte
@@ -124,12 +124,12 @@
 
 <div class="gallery-manager">
 	<div class="header">
-		<label class="input-label">
+		<div class="input-label">
 			{label}
 			{#if required}
 				<span class="required">*</span>
 			{/if}
-		</label>
+		</div>
 
 		{#if hasImages}
 			<span class="items-count">
@@ -149,6 +149,9 @@
 					class="gallery-item"
 					class:drag-over={dragOverIndex === index}
 					draggable="true"
+					role="button"
+					aria-label="Draggable gallery item"
+					tabindex="0"
 					ondragstart={(e) => handleDragStart(e, index)}
 					ondragend={handleDragEnd}
 					ondragover={(e) => handleDragOver(e, index)}
diff --git a/src/lib/components/admin/GalleryUploader.svelte b/src/lib/components/admin/GalleryUploader.svelte
index 78f1472..5a9f7c9 100644
--- a/src/lib/components/admin/GalleryUploader.svelte
+++ b/src/lib/components/admin/GalleryUploader.svelte
@@ -407,10 +407,14 @@
 			class:uploading={isUploading}
 			class:has-error={!!uploadError}
 			class:disabled
+			role="button"
+			aria-label="Upload images drop zone"
+			tabindex={disabled ? -1 : 0}
 			ondragover={disabled ? undefined : handleDragOver}
 			ondragleave={disabled ? undefined : handleDragLeave}
 			ondrop={disabled ? undefined : handleDrop}
 			onclick={disabled ? undefined : handleBrowseClick}
+			onkeydown={disabled ? undefined : (e) => e.key === 'Enter' && handleBrowseClick()}
 		>
 			{#if isUploading}
 				<!-- Upload Progress -->
@@ -541,6 +545,9 @@
 					class:drag-over={draggedOverIndex === index}
 					class:disabled
 					draggable={!disabled}
+					role="button"
+					aria-label="Draggable gallery image"
+					tabindex={disabled ? -1 : 0}
 					ondragstart={(e) => handleImageDragStart(e, index)}
 					ondragover={(e) => handleImageDragOver(e, index)}
 					ondragleave={handleImageDragLeave}
diff --git a/src/lib/components/admin/ImagePicker.svelte b/src/lib/components/admin/ImagePicker.svelte
index 2ff491b..3c5708d 100644
--- a/src/lib/components/admin/ImagePicker.svelte
+++ b/src/lib/components/admin/ImagePicker.svelte
@@ -63,12 +63,12 @@
 </script>
 
 <div class="image-picker">
-	<label class="input-label">
+	<div class="input-label">
 		{label}
 		{#if required}
 			<span class="required">*</span>
 		{/if}
-	</label>
+	</div>
 
 	<!-- Image Preview Area -->
 	<div
diff --git a/src/lib/components/admin/ImageUploader.svelte b/src/lib/components/admin/ImageUploader.svelte
index 17e6ce0..37b5e55 100644
--- a/src/lib/components/admin/ImageUploader.svelte
+++ b/src/lib/components/admin/ImageUploader.svelte
@@ -231,12 +231,12 @@
 
 <div class="image-uploader" class:compact>
 	<!-- Label -->
-	<label class="uploader-label">
+	<div class="uploader-label">
 		{label}
 		{#if required}
 			<span class="required">*</span>
 		{/if}
-	</label>
+	</div>
 
 	{#if helpText}
 		<p class="help-text">{helpText}</p>
@@ -378,10 +378,14 @@
 				class:uploading={isUploading}
 				class:has-error={!!uploadError}
 				style={aspectRatioStyle}
+				role="button"
+				aria-label="Upload image drop zone"
+				tabindex="0"
 				ondragover={handleDragOver}
 				ondragleave={handleDragLeave}
 				ondrop={handleDrop}
 				onclick={handleBrowseClick}
+				onkeydown={(e) => e.key === 'Enter' && handleBrowseClick()}
 			>
 				{#if isUploading}
 					<!-- Upload Progress -->
diff --git a/src/lib/components/admin/MediaDetailsModal.svelte b/src/lib/components/admin/MediaDetailsModal.svelte
index 776bb0a..4292ed7 100644
--- a/src/lib/components/admin/MediaDetailsModal.svelte
+++ b/src/lib/components/admin/MediaDetailsModal.svelte
@@ -223,6 +223,7 @@
 					<div class="video-container">
 						<video controls poster={media.thumbnailUrl || undefined} class="preview-video">
 							<source src={media.url} type={media.mimeType} />
+							<track kind="captions" />
 							Your browser does not support the video tag.
 						</video>
 					</div>
diff --git a/src/lib/components/admin/MediaInput.svelte b/src/lib/components/admin/MediaInput.svelte
index 9bf2a4a..4729cc3 100644
--- a/src/lib/components/admin/MediaInput.svelte
+++ b/src/lib/components/admin/MediaInput.svelte
@@ -90,12 +90,12 @@
 </script>
 
 <div class="media-input">
-	<label class="input-label">
+	<div class="input-label">
 		{label}
 		{#if required}
 			<span class="required">*</span>
 		{/if}
-	</label>
+	</div>
 
 	<!-- Selected Media Preview -->
 	{#if hasValue}
diff --git a/src/lib/components/admin/PhotoPostForm.svelte b/src/lib/components/admin/PhotoPostForm.svelte
index 59c184d..895cc32 100644
--- a/src/lib/components/admin/PhotoPostForm.svelte
+++ b/src/lib/components/admin/PhotoPostForm.svelte
@@ -449,7 +449,7 @@ $effect(() => {
 
 			<!-- Caption/Content -->
 			<div class="form-section">
-				<label class="editor-label">Caption & Description</label>
+				<div class="editor-label">Caption & Description</div>
 				<p class="editor-help">Add a caption or tell the story behind this photo</p>
 				<div class="editor-container">
 					<Editor
diff --git a/src/lib/components/admin/PostDropdown.svelte b/src/lib/components/admin/PostDropdown.svelte
index 5d87131..26fd266 100644
--- a/src/lib/components/admin/PostDropdown.svelte
+++ b/src/lib/components/admin/PostDropdown.svelte
@@ -65,7 +65,13 @@
 	{#if isOpen}
 		<ul class="dropdown-menu">
 			{#each postTypes as type}
-				<li class="dropdown-item" onclick={() => handleSelection(type.value)}>
+				<li
+					class="dropdown-item"
+					role="menuitem"
+					tabindex="0"
+					onclick={() => handleSelection(type.value)}
+					onkeydown={(e) => e.key === 'Enter' && handleSelection(type.value)}
+				>
 					<div class="dropdown-icon">
 						{#if type.value === 'essay'}
 							<svg width="20" height="20" viewBox="0 0 20 20" fill="none">
diff --git a/src/lib/components/admin/PostListItem.svelte b/src/lib/components/admin/PostListItem.svelte
index fd39dd8..77d1722 100644
--- a/src/lib/components/admin/PostListItem.svelte
+++ b/src/lib/components/admin/PostListItem.svelte
@@ -122,7 +122,13 @@
 	}
 </script>
 
-<article class="post-item" onclick={handlePostClick}>
+<div
+	class="post-item"
+	role="button"
+	tabindex="0"
+	onclick={handlePostClick}
+	onkeydown={(e) => e.key === 'Enter' && handlePostClick()}
+>
 	<div class="post-main">
 		{#if post.title}
 			<h3 class="post-title">{post.title}</h3>
@@ -178,7 +184,7 @@
 			</div>
 		{/if}
 	</div>
-</article>
+</div>
 
 <style lang="scss">
 	.post-item {
diff --git a/src/lib/components/edra/headless/components/LinkEditDialog.svelte b/src/lib/components/edra/headless/components/LinkEditDialog.svelte
index f71b6f6..5a0c41b 100644
--- a/src/lib/components/edra/headless/components/LinkEditDialog.svelte
+++ b/src/lib/components/edra/headless/components/LinkEditDialog.svelte
@@ -68,6 +68,9 @@
 <div
 	bind:this={dialogElement}
 	class="link-edit-dialog"
+	role="dialog"
+	aria-modal="false"
+	tabindex="-1"
 	style="left: {x}px; top: {y}px;"
 	transition:fly={{ y: -10, duration: TRANSITION_NORMAL_MS }}
 	onkeydown={handleKeydown}
diff --git a/src/lib/components/edra/headless/components/UrlEmbedExtended.svelte b/src/lib/components/edra/headless/components/UrlEmbedExtended.svelte
index d461edc..45d0d95 100644
--- a/src/lib/components/edra/headless/components/UrlEmbedExtended.svelte
+++ b/src/lib/components/edra/headless/components/UrlEmbedExtended.svelte
@@ -162,7 +162,7 @@
 			onkeydown={handleKeydown}
 			oncontextmenu={handleContextMenu}
 			tabindex="0"
-			role="article"
+			role="button"
 		>
 			{#if showActions && editor.isEditable}
 				<div class="edra-youtube-embed-actions">
@@ -208,7 +208,7 @@
 			onkeydown={handleKeydown}
 			oncontextmenu={handleContextMenu}
 			tabindex="0"
-			role="article"
+			role="button"
 		>
 			{#if showActions && editor.isEditable}
 				<div class="edra-url-embed-actions">
diff --git a/src/routes/admin/media/upload/+page.svelte b/src/routes/admin/media/upload/+page.svelte
index 36701f4..7200fa6 100644
--- a/src/routes/admin/media/upload/+page.svelte
+++ b/src/routes/admin/media/upload/+page.svelte
@@ -246,7 +246,8 @@
 			class:has-files={files.length > 0}
 			class:compact={files.length > 0}
 			class:uploading={isUploading}
-			ondragover={handleDragOver}
+		role="region"
+		aria-label="File upload drop zone"			ondragover={handleDragOver}
 			ondragleave={handleDragLeave}
 			ondrop={handleDrop}
 		>
diff --git a/src/routes/photos/[id]/+page.svelte b/src/routes/photos/[id]/+page.svelte
index 5b511e3..24f0d9b 100644
--- a/src/routes/photos/[id]/+page.svelte
+++ b/src/routes/photos/[id]/+page.svelte
@@ -370,7 +370,12 @@
 		</div>
 	</div>
 {:else if photo}
-	<div class="photo-page" onmousemove={handleMouseMove} onmouseleave={handleMouseLeave}>
+	<div
+		class="photo-page"
+		role="presentation"
+		onmousemove={handleMouseMove}
+		onmouseleave={handleMouseLeave}
+	>
 		<div class="photo-content-wrapper">
 			<PhotoViewEnhanced
 				src={photo.url}