fix(codebase): optimize layout paddings for code editor feel

vibn-frontend/components/project/gitea-file-viewer.tsx

@@ -144,10 +144,6 @@ export function GiteaFileViewer({ projectId, path }: GiteaFileViewerProps) {
         minHeight: 0,
         position: "relative",
         background: THEME.cardBg,
-        border: `1px solid ${THEME.border}`,
-        borderRadius: THEME.radiusSm,
-        boxShadow: THEME.shadow,
-        overflow: "hidden",
       }}
     >
       <div
@@ -155,20 +151,19 @@ export function GiteaFileViewer({ projectId, path }: GiteaFileViewerProps) {
           display: "flex",
           justifyContent: "space-between",
           alignItems: "center",
-          padding: "8px 12px",
+          padding: "10px 16px",
           background: THEME.subtleBg,
           borderBottom: `1px solid ${THEME.borderSoft}`,
         }}
       >
         <div
           style={{
-            fontSize: "0.8rem",
+            fontSize: "0.85rem",
             color: THEME.mid,
-            fontFamily: "ui-monospace, monospace",
             fontWeight: 500,
           }}
         >
-          {basename(path)}
+          {path}
         </div>
         {!isImage && (
           <button