diff --git a/src/components/DocumentViewer.jsx b/src/components/DocumentViewer.jsx
index 930d9b2..0857f3d 100644
--- a/src/components/DocumentViewer.jsx
+++ b/src/components/DocumentViewer.jsx
@@ -1,6 +1,38 @@
-import React from 'react';
+import React, { useState } from 'react';
+import StatusBadge from './StatusBadge';
+import { API_BASE_URL } from '../config';
+import { useAuth } from '../context/AuthContext';
+
+const DocumentViewer = ({ documents, sellerId, refreshDocs }) => {
+  const { token } = useAuth();
+  const [previewDoc, setPreviewDoc] = useState(null);
+
+  const handleApprove = async (docId) => {
+    try {
+      const res = await fetch(`${API_BASE_URL}/sellers/${sellerId}/documents/${docId}/approve/`, {
+        method: 'POST',
+        headers: {
+          'Authorization': `Bearer ${token}`,
+          'Content-Type': 'application/json'
+        }
+      });
+      if (!res.ok) throw new Error('Failed to approve document');
+      alert('Document approved successfully');
+      if (refreshDocs) refreshDocs();
+    } catch (err) {
+      alert(err.message);
+    }
+  };
+
+  const handleDownload = (doc) => {
+    const link = document.createElement('a');
+    link.href = doc.url;
+    link.download = doc.filename;
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+  };
 
-const DocumentViewer = ({ documents, sellerId }) => {
   return (
     <div className="glass-card" style={{ marginTop: '24px' }}>
       <h3 className="section-title">KYC Document Verification</h3>
@@ -11,29 +43,60 @@ const DocumentViewer = ({ documents, sellerId }) => {
               background: 'rgba(255, 255, 255, 0.02)',
               border: '1px solid var(--glass-border)',
               borderRadius: 'var(--border-radius)',
-              padding: '16px'
+              padding: '16px',
+              display: 'flex',
+              flexDirection: 'column',
+              justifyContent: 'space-between'
             }}>
-              <div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: '12px' }}>
-                <span style={{ fontWeight: '600' }}>{doc.type}</span>
-                <span style={{ fontSize: '12px', color: 'var(--text-secondary)' }}>Status: Verified</span>
+              <div>
+                <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '12px' }}>
+                  <span style={{ fontWeight: '600' }}>{doc.type}</span>
+                  <StatusBadge status={doc.status} />
+                </div>
+                <div style={{
+                  height: '180px',
+                  background: 'var(--bg-primary)',
+                  borderRadius: '8px',
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  color: 'var(--text-secondary)',
+                  border: '1px dashed var(--glass-border)',
+                  marginBottom: '12px',
+                  fontSize: '13px',
+                  padding: '8px',
+                  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' }} />
+                  ) : (
+                    <span>[Document Preview: {doc.filename}]</span>
+                  )}
+                </div>
               </div>
-              <div style={{
-                height: '180px',
-                background: 'var(--bg-primary)',
-                borderRadius: '8px',
-                display: 'flex',
-                alignItems: 'center',
-                justifyContent: 'center',
-                color: 'var(--text-secondary)',
-                border: '1px dashed var(--glass-border)',
-                marginBottom: '12px'
-              }}>
-                [Presigned Document Preview: {doc.filename}]
-              </div>
-              <div style={{ display: 'flex', gap: '10px' }}>
-                <a href={doc.url} target="_blank" rel="noreferrer" className="btn btn-secondary" style={{ flex: 1, fontSize: '12px', padding: '8px' }}>
-                  Open Original
-                </a>
+              <div style={{ display: 'flex', gap: '8px', flexWrap: 'wrap' }}>
+                <button 
+                  className="btn btn-primary" 
+                  style={{ flex: 1, fontSize: '11px', padding: '6px 10px' }}
+                  onClick={() => handleApprove(doc.id)}
+                  disabled={doc.status?.toLowerCase() === 'verified' || doc.status?.toLowerCase() === 'approved'}
+                >
+                  {doc.status?.toLowerCase() === 'verified' || doc.status?.toLowerCase() === 'approved' ? 'Approved' : 'Approve'}
+                </button>
+                <button 
+                  className="btn btn-secondary" 
+                  style={{ flex: 1, fontSize: '11px', padding: '6px 10px', background: 'rgba(255,255,255,0.05)', color: '#fff', border: '1px solid var(--glass-border)' }}
+                  onClick={() => setPreviewDoc(doc)}
+                >
+                  Preview
+                </button>
+                <button 
+                  className="btn btn-secondary" 
+                  style={{ flex: 1, fontSize: '11px', padding: '6px 10px', background: 'rgba(255,255,255,0.05)', color: '#fff', border: '1px solid var(--glass-border)' }}
+                  onClick={() => handleDownload(doc)}
+                >
+                  Download
+                </button>
               </div>
             </div>
           ))}
@@ -41,6 +104,41 @@ const DocumentViewer = ({ documents, sellerId }) => {
       ) : (
         <p style={{ color: 'var(--text-secondary)' }}>No KYC documents submitted yet.</p>
       )}
+
+      {/* Lightbox / Preview Modal Overlay */}
+      {previewDoc && (
+        <div className="modal-overlay" onClick={() => setPreviewDoc(null)}>
+          <div className="modal-content" style={{ maxWidth: '800px', width: '90%' }} onClick={(e) => e.stopPropagation()}>
+            <div className="modal-header">
+              <h2 style={{ fontSize: '20px', fontWeight: '600' }}>Document Preview: {previewDoc.type}</h2>
+              <button className="modal-close" onClick={() => setPreviewDoc(null)}>&times;</button>
+            </div>
+            <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} 
+                  alt={previewDoc.type} 
+                  style={{ maxWidth: '100%', maxHeight: '60vh', objectFit: 'contain' }} 
+                />
+              ) : previewDoc.filename.match(/\.pdf$/i) ? (
+                <iframe 
+                  src={previewDoc.url} 
+                  title={previewDoc.type} 
+                  style={{ width: '100%', height: '60vh', border: 'none', background: '#fff' }}
+                />
+              ) : (
+                <div style={{ padding: '40px', color: '#fff', textAlign: 'center' }}>
+                  <p style={{ marginBottom: '16px' }}>Preview is not supported directly for this file type ({previewDoc.filename}).</p>
+                  <button className="btn btn-primary" onClick={() => handleDownload(previewDoc)}>Download to View</button>
+                </div>
+              )}
+            </div>
+            <div className="modal-footer" style={{ display: 'flex', justifyContent: 'flex-end', marginTop: '16px' }}>
+              <button className="btn btn-secondary" onClick={() => setPreviewDoc(null)}>Close Preview</button>
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 };
diff --git a/src/index.css b/src/index.css
index 6c8aa72..fd8fc76 100644
--- a/src/index.css
+++ b/src/index.css
@@ -323,3 +323,100 @@ a:hover {
   color: var(--text-secondary);
   font-size: 14px;
 }
+
+/* Modal Popup Styling */
+.modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background: rgba(0, 0, 0, 0.7);
+  backdrop-filter: blur(8px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.modal-content {
+  background: var(--bg-secondary);
+  border: 1px solid var(--glass-border);
+  border-radius: var(--border-radius);
+  box-shadow: var(--glass-shadow);
+  width: 90%;
+  max-width: 600px;
+  max-height: 85vh;
+  overflow-y: auto;
+  padding: 24px;
+  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.modal-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border-bottom: 1px solid var(--glass-border);
+  padding-bottom: 16px;
+  margin-bottom: 16px;
+}
+
+.modal-close {
+  background: transparent;
+  border: none;
+  color: var(--text-secondary);
+  font-size: 24px;
+  cursor: pointer;
+  transition: var(--transition);
+}
+
+.modal-close:hover {
+  color: #fff;
+}
+
+.modal-section {
+  margin-bottom: 20px;
+}
+
+.modal-section-title {
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--accent-hover);
+  margin-bottom: 12px;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.details-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 12px;
+}
+
+.details-item {
+  display: flex;
+  flex-direction: column;
+}
+
+.details-label {
+  font-size: 11px;
+  color: var(--text-muted);
+  text-transform: uppercase;
+}
+
+.details-value {
+  font-size: 14px;
+  color: var(--text-primary);
+  font-weight: 500;
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}
+
+@keyframes slideUp {
+  from { transform: translateY(20px); opacity: 0; }
+  to { transform: translateY(0); opacity: 1; }
+}
diff --git a/src/pages/products/ProductList.jsx b/src/pages/products/ProductList.jsx
index 10cc6be..b633d6b 100644
--- a/src/pages/products/ProductList.jsx
+++ b/src/pages/products/ProductList.jsx
@@ -9,6 +9,7 @@ const ProductList = () => {
   const [products, setProducts] = useState([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState(null);
+  const [selectedProduct, setSelectedProduct] = useState(null);
 
   const fetchProducts = async () => {
     try {
@@ -109,29 +110,42 @@ const ProductList = () => {
                 {filteredProducts.map(prod => (
                   <tr key={prod.id}>
                     <td>#{prod.id}</td>
-                    <td style={{ fontWeight: '600' }}>{prod.name}</td>
+                    <td 
+                      style={{ fontWeight: '600', cursor: 'pointer', color: 'var(--accent-hover)' }} 
+                      onClick={() => setSelectedProduct(prod)}
+                    >
+                      {prod.name}
+                    </td>
                     <td>{prod.supplier_name || 'N/A'}</td>
                     <td>₹{parseFloat(prod.price).toLocaleString('en-IN')}</td>
                     <td>{prod.stock} items</td>
                     <td><StatusBadge status={prod.status} /></td>
                     <td>
                       <div style={{ display: 'flex', gap: '6px' }}>
-                        {prod.status === 'pending_approval' && (
+                        {(prod.status === 'pending' || prod.status === 'pending_approval') && (
                           <>
                             <button className="btn btn-primary" style={{ fontSize: '11px', padding: '4px 8px' }} onClick={() => handleStatusChange(prod.id, 'approve')}>
                               Approve
                             </button>
-                            <button className="btn btn-danger" style={{ fontSize: '11px', padding: '4px 8px' }} onClick={() => handleStatusChange(prod.id, 'hold')}>
-                              Reject/Hold
+                            <button className="btn btn-secondary" style={{ fontSize: '11px', padding: '4px 8px', background: 'rgba(255,255,255,0.05)', color: '#fff', border: '1px solid var(--glass-border)' }} onClick={() => handleStatusChange(prod.id, 'hold')}>
+                              Hold
+                            </button>
+                            <button className="btn btn-danger" style={{ fontSize: '11px', padding: '4px 8px', background: 'var(--color-danger)' }} onClick={() => handleStatusChange(prod.id, 'reject')}>
+                              Reject
                             </button>
                           </>
                         )}
                         {prod.status === 'approved' && (
-                          <button className="btn btn-secondary" style={{ fontSize: '11px', padding: '4px 8px' }} onClick={() => handleStatusChange(prod.id, 'hold')}>
-                            Hold Item
-                          </button>
+                          <>
+                            <button className="btn btn-secondary" style={{ fontSize: '11px', padding: '4px 8px' }} onClick={() => handleStatusChange(prod.id, 'hold')}>
+                              Hold Item
+                            </button>
+                            <button className="btn btn-danger" style={{ fontSize: '11px', padding: '4px 8px', background: 'var(--color-danger)' }} onClick={() => handleStatusChange(prod.id, 'reject')}>
+                              Reject
+                            </button>
+                          </>
                         )}
-                        {prod.status === 'on_hold' && (
+                        {(prod.status === 'hold' || prod.status === 'on_hold' || prod.status === 'rejected') && (
                           <button className="btn btn-primary" style={{ fontSize: '11px', padding: '4px 8px' }} onClick={() => handleStatusChange(prod.id, 'approve')}>
                             Activate
                           </button>
@@ -148,6 +162,135 @@ const ProductList = () => {
           </div>
         )}
       </div>
+
+      {selectedProduct && (
+        <div className="modal-overlay" onClick={() => setSelectedProduct(null)}>
+          <div className="modal-content" onClick={(e) => e.stopPropagation()}>
+            <div className="modal-header">
+              <h2 style={{ fontSize: '20px', fontWeight: '600' }}>Product & Seller Details</h2>
+              <button className="modal-close" onClick={() => setSelectedProduct(null)}>&times;</button>
+            </div>
+            <div className="modal-body">
+              
+              <div className="modal-section">
+                <h3 className="modal-section-title">Product Information</h3>
+                <div className="details-grid">
+                  <div className="details-item">
+                    <span className="details-label">ID</span>
+                    <span className="details-value">#{selectedProduct.id}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Title</span>
+                    <span className="details-value">{selectedProduct.name}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Category</span>
+                    <span className="details-value">{selectedProduct.category || 'N/A'}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">SKU</span>
+                    <span className="details-value">{selectedProduct.sku || 'N/A'}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Price</span>
+                    <span className="details-value">₹{parseFloat(selectedProduct.price).toLocaleString('en-IN')}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Stock</span>
+                    <span className="details-value">{selectedProduct.stock} items</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Status</span>
+                    <span className="details-value"><StatusBadge status={selectedProduct.status} /></span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Active Listing</span>
+                    <span className="details-value">{selectedProduct.is_active ? 'Yes' : 'No'}</span>
+                  </div>
+                </div>
+                {selectedProduct.image && (
+                  <div style={{ marginTop: '12px' }}>
+                    <span className="details-label" style={{ display: 'block', marginBottom: '4px' }}>Product Image</span>
+                    {selectedProduct.image.startsWith('data:image') || selectedProduct.image.startsWith('http') ? (
+                      <img src={selectedProduct.image} alt={selectedProduct.name} style={{ maxWidth: '100%', maxHeight: '150px', borderRadius: '6px', objectFit: 'contain' }} />
+                    ) : (
+                      <span className="details-value" style={{ wordBreak: 'break-all', fontSize: '12px', color: 'var(--text-secondary)' }}>{selectedProduct.image}</span>
+                    )}
+                  </div>
+                )}
+              </div>
+
+              <div className="modal-section" style={{ borderTop: '1px solid var(--glass-border)', paddingTop: '16px' }}>
+                <h3 className="modal-section-title">Seller / Supplier Information</h3>
+                <div className="details-grid">
+                  <div className="details-item">
+                    <span className="details-label">Store Name</span>
+                    <span className="details-value">{selectedProduct.supplier_name || 'N/A'}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Account Status</span>
+                    <span className="details-value"><StatusBadge status={selectedProduct.supplier_status} /></span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Email</span>
+                    <span className="details-value">{selectedProduct.supplier_email || 'N/A'}</span>
+                  </div>
+                  <div className="details-item">
+                    <span className="details-label">Phone</span>
+                    <span className="details-value">{selectedProduct.supplier_phone || 'N/A'}</span>
+                  </div>
+                  <div className="details-item" style={{ gridColumn: 'span 2' }}>
+                    <span className="details-label">GSTIN</span>
+                    <span className="details-value">{selectedProduct.supplier_gstin || 'N/A'}</span>
+                  </div>
+                </div>
+              </div>
+
+            </div>
+            <div className="modal-footer" style={{ display: 'flex', justifyContent: 'flex-end', gap: '10px', borderTop: '1px solid var(--glass-border)', paddingTop: '16px', marginTop: '16px' }}>
+              <button 
+                className="btn btn-primary" 
+                onClick={async () => {
+                  await handleStatusChange(selectedProduct.id, 'approve');
+                  setSelectedProduct(null);
+                }}
+              >
+                Approve
+              </button>
+              <button 
+                className="btn btn-secondary" 
+                style={{ background: 'rgba(255,255,255,0.05)', color: '#fff', border: '1px solid var(--glass-border)' }}
+                onClick={async () => {
+                  await handleStatusChange(selectedProduct.id, 'hold');
+                  setSelectedProduct(null);
+                }}
+              >
+                Hold
+              </button>
+              <button 
+                className="btn btn-danger" 
+                style={{ background: 'var(--color-danger)' }}
+                onClick={async () => {
+                  await handleStatusChange(selectedProduct.id, 'reject');
+                  setSelectedProduct(null);
+                }}
+              >
+                Reject
+              </button>
+              <button 
+                className="btn btn-danger" 
+                style={{ background: 'transparent', border: '1px solid var(--color-danger)', color: 'var(--color-danger)' }}
+                onClick={async () => {
+                  await handleRemove(selectedProduct.id);
+                  setSelectedProduct(null);
+                }}
+              >
+                Remove Product
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 };
diff --git a/src/pages/sellers/SellerDetail.jsx b/src/pages/sellers/SellerDetail.jsx
index 7025a6f..a78aaf8 100644
--- a/src/pages/sellers/SellerDetail.jsx
+++ b/src/pages/sellers/SellerDetail.jsx
@@ -189,7 +189,7 @@ const SellerDetail = () => {
       )}
 
       {activeTab === 'documents' && (
-        <DocumentViewer documents={documents} sellerId={seller.id} />
+        <DocumentViewer documents={documents} sellerId={seller.id} refreshDocs={fetchSellerData} />
       )}
     </div>
   );