diff --git a/vibn-frontend/components/project/gitea-file-viewer.tsx b/vibn-frontend/components/project/gitea-file-viewer.tsx
index 91eb47e..5c61bdb 100644
--- a/vibn-frontend/components/project/gitea-file-viewer.tsx
+++ b/vibn-frontend/components/project/gitea-file-viewer.tsx
@@ -221,19 +221,21 @@ export function GiteaFileViewer({ projectId, path }: GiteaFileViewerProps) {
             style={oneLight}
             customStyle={{
               margin: 0,
-              padding: "16px",
+              padding: "24px 16px 24px 0",
               background: THEME.cardBg,
-              fontSize: "0.8rem",
+              fontSize: "13px",
+              lineHeight: "24px",
               fontFamily:
-                "ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace",
+                '"SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace',
               flex: 1,
             }}
             showLineNumbers={true}
             lineNumberStyle={{
-              minWidth: "3em",
-              paddingRight: "1em",
-              color: THEME.muted,
+              minWidth: "48px",
+              paddingRight: "24px",
+              color: "#94a3b8",
               textAlign: "right",
+              userSelect: "none",
             }}
           >
             {content || ""}