diff --git a/.gitignore b/.gitignore
index 2058881..e29aa63 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,6 +46,8 @@ Thumbs.db
 *.swo
 *~
 .cursor/
+.claude/
+CLAUDE.md
 
 # Temporary files
 *.tmp
diff --git a/src/commands/uploadWidget.ts b/src/commands/uploadWidget.ts
index ba1bd83..d283a76 100644
--- a/src/commands/uploadWidget.ts
+++ b/src/commands/uploadWidget.ts
@@ -246,7 +246,7 @@ function createUploadPanel(
   const presetsJson = JSON.stringify(provider.uploadPresets);
   const initScript = `
     initUploadWidget({
-      cloudName: "${escapeHtml(cloudName)}",
+      cloudName: ${JSON.stringify(cloudName)},
       presets: ${presetsJson}
     });
   `;
diff --git a/src/webview/client/upload-widget.ts b/src/webview/client/upload-widget.ts
index b047c71..afd73ec 100644
--- a/src/webview/client/upload-widget.ts
+++ b/src/webview/client/upload-widget.ts
@@ -297,15 +297,28 @@ function addToQueue(fileId: string, fileName: string): void {
 
   const displayName = truncateString(fileName, 30, "middle");
 
-  item.innerHTML = `
-    <span class="queue-item__name" title="${fileName}">${displayName}</span>
-    <div class="queue-item__progress">
-      <div class="progress">
-        <div class="progress__bar" style="width: 0%"></div>
-      </div>
-    </div>
-    <span class="queue-item__status">Pending...</span>
-  `;
+  const nameEl = document.createElement("span");
+  nameEl.className = "queue-item__name";
+  nameEl.title = fileName;
+  nameEl.textContent = displayName;
+
+  const progressBar = document.createElement("div");
+  progressBar.className = "progress__bar";
+  progressBar.style.width = "0%";
+  const progress = document.createElement("div");
+  progress.className = "progress";
+  progress.appendChild(progressBar);
+  const progressWrapper = document.createElement("div");
+  progressWrapper.className = "queue-item__progress";
+  progressWrapper.appendChild(progress);
+
+  const statusEl = document.createElement("span");
+  statusEl.className = "queue-item__status";
+  statusEl.textContent = "Pending...";
+
+  item.appendChild(nameEl);
+  item.appendChild(progressWrapper);
+  item.appendChild(statusEl);
 
   uploadQueue.appendChild(item);
 }
@@ -378,55 +391,80 @@ function renderUploadedAsset(asset: AssetData): void {
   const card = document.createElement("div");
   card.className = "asset-card";
 
-  const fileIcon =
-    "<svg width='48' height='48' viewBox='0 0 24 24' fill='currentColor'><path d='M14 2H6C4.9 2 4 2.9 4 4V20C4 21.1 4.9 22 6 22H18C19.1 22 20 21.1 20 20V8L14 2ZM18 20H6V4H13V9H18V20ZM9 13H15V15H9V13ZM9 17H15V19H9V17Z'/></svg>";
+  // Static SVG icon — no user data
+  const fileIconSvg = "<svg width='48' height='48' viewBox='0 0 24 24' fill='currentColor'><path d='M14 2H6C4.9 2 4 2.9 4 4V20C4 21.1 4.9 22 6 22H18C19.1 22 20 21.1 20 20V8L14 2ZM18 20H6V4H13V9H18V20ZM9 13H15V15H9V13ZM9 17H15V19H9V17Z'/></svg>";
+
+  // Thumbnail wrapper
+  const thumbnailWrapper = document.createElement("div");
+  thumbnailWrapper.className = "asset-card__thumbnail";
+  thumbnailWrapper.setAttribute("data-asset-id", asset.public_id);
 
-  let mediaHtml: string;
   if (thumbnailUrl) {
-    mediaHtml = `
-      <div class="asset-card__thumbnail" data-asset-id="${asset.public_id}">
-        <img class="asset-card__image" src="${thumbnailUrl}" alt="Thumbnail" />
-        <div class="asset-card__icon fallback" style="display:none;">${fileIcon}</div>
-      </div>
-    `;
+    const img = document.createElement("img");
+    img.className = "asset-card__image";
+    img.src = thumbnailUrl;
+    img.alt = "Thumbnail";
+    const fallbackEl = document.createElement("div");
+    fallbackEl.className = "asset-card__icon fallback";
+    fallbackEl.style.display = "none";
+    fallbackEl.innerHTML = fileIconSvg;
+    img.addEventListener("error", function () {
+      this.style.display = "none";
+      fallbackEl.style.display = "flex";
+    });
+    thumbnailWrapper.appendChild(img);
+    thumbnailWrapper.appendChild(fallbackEl);
   } else {
-    mediaHtml = `
-      <div class="asset-card__thumbnail" data-asset-id="${asset.public_id}">
-        <div class="asset-card__icon">${fileIcon}</div>
-      </div>
-    `;
+    const iconEl = document.createElement("div");
+    iconEl.className = "asset-card__icon";
+    iconEl.innerHTML = fileIconSvg;
+    thumbnailWrapper.appendChild(iconEl);
   }
 
+  // Folder
+  const folderEl = document.createElement("div");
+  folderEl.className = "asset-card__folder";
+  const folderCode = document.createElement("code");
+  folderCode.textContent = folderDisplay;
+  folderEl.appendChild(document.createTextNode("📂 "));
+  folderEl.appendChild(folderCode);
+
+  // Asset ID
   const displayId = truncateString(asset.public_id, 25, "start");
+  const idEl = document.createElement("div");
+  idEl.className = "asset-card__id";
+  idEl.title = asset.public_id;
+  idEl.textContent = displayId;
+
+  // Action buttons
+  const actionsEl = document.createElement("div");
+  actionsEl.className = "asset-card__actions";
+
+  const copyUrlBtn = document.createElement("button");
+  copyUrlBtn.className = "btn btn--secondary btn--sm btn--copy";
+  copyUrlBtn.setAttribute("data-copy", asset.secure_url);
+  copyUrlBtn.textContent = "Copy URL";
 
-  card.innerHTML = `
-    ${mediaHtml}
-    <div class="asset-card__folder">📂 <code>${folderDisplay}</code></div>
-    <div class="asset-card__id" title="${asset.public_id}">${displayId}</div>
-    <div class="asset-card__actions">
-      <button class="btn btn--secondary btn--sm btn--copy" data-copy="${asset.secure_url}">Copy URL</button>
-      <button class="btn btn--secondary btn--sm btn--copy" data-copy="${asset.public_id}">Copy ID</button>
-    </div>
-  `;
+  const copyIdBtn = document.createElement("button");
+  copyIdBtn.className = "btn btn--secondary btn--sm btn--copy";
+  copyIdBtn.setAttribute("data-copy", asset.public_id);
+  copyIdBtn.textContent = "Copy ID";
+
+  actionsEl.appendChild(copyUrlBtn);
+  actionsEl.appendChild(copyIdBtn);
+
+  card.appendChild(thumbnailWrapper);
+  card.appendChild(folderEl);
+  card.appendChild(idEl);
+  card.appendChild(actionsEl);
 
   // Click thumbnail to preview
-  const thumbnailWrapper = card.querySelector(".asset-card__thumbnail");
-  if (thumbnailWrapper && vscode) {
+  if (vscode) {
     thumbnailWrapper.addEventListener("click", () => {
       vscode.postMessage({ command: "openAsset", asset: asset });
     });
   }
 
-  // Handle image load errors
-  const img = card.querySelector<HTMLImageElement>(".asset-card__image");
-  if (img) {
-    img.addEventListener("error", function () {
-      this.style.display = "none";
-      const fallback = this.parentElement?.querySelector<HTMLElement>(".fallback");
-      if (fallback) {fallback.style.display = "flex";}
-    });
-  }
-
   // Initialize copy buttons
   card.querySelectorAll<HTMLElement>(".btn--copy[data-copy]").forEach((btn) => {
     btn.addEventListener("click", async (e) => {
diff --git a/src/webview/index.ts b/src/webview/index.ts
index 2dc888f..c5d3331 100644
--- a/src/webview/index.ts
+++ b/src/webview/index.ts
@@ -52,7 +52,6 @@ export * from "./components";
 
 // Utility scripts
 export * from "./utils";
-import { escapeHtml } from "./utils/helpers";
 
 // Icons
 export {
@@ -115,65 +114,4 @@ export function getCompleteScripts(): string {
   ].join("\n");
 }
 
-/**
- * Creates a complete HTML document for a webview panel.
- * 
- * @param options - Document configuration
- * @returns Complete HTML string
- * 
- * @example
- * ```typescript
- * panel.webview.html = createWebviewDocument({
- *   title: 'Upload to Cloudinary',
- *   body: createPanel({ content: '...' }),
- *   additionalStyles: '.custom { color: red; }',
- *   additionalScripts: 'console.log("Hello");'
- * });
- * ```
- */
-export function createWebviewDocument(options: {
-  /** Document title */
-  title: string;
-  /** Body content (HTML string) */
-  body: string;
-  /** Additional CSS to include */
-  additionalStyles?: string;
-  /** Additional JavaScript to include */
-  additionalScripts?: string;
-  /** Whether to include all component scripts (default: true) */
-  includeScripts?: boolean;
-}): string {
-  const {
-    title,
-    body,
-    additionalStyles = "",
-    additionalScripts = "",
-    includeScripts = true,
-  } = options;
-
-  const styles = getCompleteStyles();
-  const scripts = includeScripts ? getCompleteScripts() : "";
-
-  return `
-    <!DOCTYPE html>
-    <html lang="en">
-    <head>
-      <meta charset="UTF-8" />
-      <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-      <title>${escapeHtml(title)}</title>
-      <style>
-        ${styles}
-        ${additionalStyles}
-      </style>
-    </head>
-    <body>
-      ${body}
-      <script>
-        ${scripts}
-        ${additionalScripts}
-      </script>
-    </body>
-    </html>
-  `;
-}