diff --git a/static/js/app.js b/static/js/app.js
index 1449eb8..0e98720 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -2111,6 +2111,28 @@ document.addEventListener('keydown', e => {
       if (e.key === 'ArrowRight') { e.preventDefault(); pdfGoToPage(pdfCurrentPage + 1); }
       if (e.key === 'ArrowLeft')  { e.preventDefault(); pdfGoToPage(pdfCurrentPage - 1); }
     }
+
+    // Vim-style scroll — ignore when typing in an input
+    const tag = document.activeElement?.tagName;
+    if (tag !== 'INPUT' && tag !== 'TEXTAREA') {
+      const contentEl = $('reader-content');
+      if (contentEl) {
+        const small = Math.round(contentEl.clientHeight * 0.08);
+        const large = Math.round(contentEl.clientHeight * 0.85);
+        if (e.key === 'j') { e.preventDefault(); contentEl.scrollBy({top:  small, behavior: 'smooth'}); }
+        if (e.key === 'k') { e.preventDefault(); contentEl.scrollBy({top: -small, behavior: 'smooth'}); }
+        if (e.key === 'd') { e.preventDefault(); contentEl.scrollBy({top:  large / 2, behavior: 'smooth'}); }
+        if (e.key === 'u') { e.preventDefault(); contentEl.scrollBy({top: -large / 2, behavior: 'smooth'}); }
+        if (e.key === 'f') { e.preventDefault(); contentEl.scrollBy({top:  large, behavior: 'smooth'}); }
+        if (e.key === 'b') { e.preventDefault(); contentEl.scrollBy({top: -large, behavior: 'smooth'}); }
+        if (e.key === 'g') { e.preventDefault(); contentEl.scrollTop = 0; }
+        if (e.key === 'G') { e.preventDefault(); contentEl.scrollTop = contentEl.scrollHeight; }
+        if (currentPdfDoc && !readerSettings.pdfPaginated) {
+          if (e.key === 'n') { e.preventDefault(); pdfGoToPage(pdfCurrentPage + 1); }
+          if (e.key === 'p') { e.preventDefault(); pdfGoToPage(pdfCurrentPage - 1); }
+        }
+      }
+    }
   }
 });