diff --git a/src/components/DocumentViewer.jsx b/src/components/DocumentViewer.jsx
index 0857f3d..26c9dcb 100644
--- a/src/components/DocumentViewer.jsx
+++ b/src/components/DocumentViewer.jsx
@@ -7,6 +7,14 @@ const DocumentViewer = ({ documents, sellerId, refreshDocs }) => {
   const { token } = useAuth();
   const [previewDoc, setPreviewDoc] = useState(null);
 
+  const resolveUrl = (url) => {
+    if (!url) return '';
+    if (url.startsWith('/') || url.startsWith('//')) {
+      return `${API_BASE_URL}${url}`;
+    }
+    return url;
+  };
+
   const handleApprove = async (docId) => {
     try {
       const res = await fetch(`${API_BASE_URL}/sellers/${sellerId}/documents/${docId}/approve/`, {
@@ -26,7 +34,7 @@ const DocumentViewer = ({ documents, sellerId, refreshDocs }) => {
 
   const handleDownload = (doc) => {
     const link = document.createElement('a');
-    link.href = doc.url;
+    link.href = resolveUrl(doc.url);
     link.download = doc.filename;
     document.body.appendChild(link);
     link.click();
@@ -68,7 +76,7 @@ const DocumentViewer = ({ documents, sellerId, refreshDocs }) => {
                   textAlign: 'center'
                 }}>
                   {doc.filename.match(/\.(jpg|jpeg|png)$/i) ? (
-                    <img src={doc.url} alt={doc.type} style={{ maxWidth: '100%', maxHeight: '100%', borderRadius: '4px', objectFit: 'contain' }} />
+                    <img src={resolveUrl(doc.url)} alt={doc.type} style={{ maxWidth: '100%', maxHeight: '100%', borderRadius: '4px', objectFit: 'contain' }} />
                   ) : (
                     <span>[Document Preview: {doc.filename}]</span>
                   )}
@@ -116,13 +124,13 @@ const DocumentViewer = ({ documents, sellerId, refreshDocs }) => {
             <div className="modal-body" style={{ display: 'flex', justifyContent: 'center', background: '#000', borderRadius: '8px', padding: '16px', overflow: 'hidden' }}>
               {previewDoc.filename.match(/\.(jpg|jpeg|png)$/i) ? (
                 <img 
-                  src={previewDoc.url} 
+                  src={resolveUrl(previewDoc.url)} 
                   alt={previewDoc.type} 
                   style={{ maxWidth: '100%', maxHeight: '60vh', objectFit: 'contain' }} 
                 />
               ) : previewDoc.filename.match(/\.pdf$/i) ? (
                 <iframe 
-                  src={previewDoc.url} 
+                  src={`https://docs.google.com/gview?url=${encodeURIComponent(resolveUrl(previewDoc.url))}&embedded=true`} 
                   title={previewDoc.type} 
                   style={{ width: '100%', height: '60vh', border: 'none', background: '#fff' }}
                 />