fix: resolve P3 audit findings

src/App.css

@@ -1,113 +1 @@
-.logo.vite:hover {
-  filter: drop-shadow(0 0 2em #747bff);
-}
-
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafb);
-}
-:root {
-  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
-  font-size: 16px;
-  line-height: 24px;
-  font-weight: 400;
-
-  color: #0f0f0f;
-  background-color: #f6f6f6;
-
-  font-synthesis: none;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-  -webkit-text-size-adjust: 100%;
-}
-
-.container {
-  margin: 0;
-  padding-top: 10vh;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  text-align: center;
-}
-
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-  transition: 0.75s;
-}
-
-.logo.tauri:hover {
-  filter: drop-shadow(0 0 2em #24c8db);
-}
-
-.row {
-  display: flex;
-  justify-content: center;
-}
-
-a {
-  font-weight: 500;
-  color: #646cff;
-  text-decoration: inherit;
-}
-
-a:hover {
-  color: #535bf2;
-}
-
-h1 {
-  text-align: center;
-}
-
-input,
-button {
-  border-radius: 8px;
-  border: 1px solid transparent;
-  padding: 0.6em 1.2em;
-  font-size: 1em;
-  font-weight: 500;
-  font-family: inherit;
-  color: #0f0f0f;
-  background-color: #ffffff;
-  transition: border-color 0.25s;
-  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
-}
-
-button {
-  cursor: pointer;
-}
-
-button:hover {
-  border-color: #396cd8;
-}
-button:active {
-  border-color: #396cd8;
-  background-color: #e8e8e8;
-}
-
-input,
-button {
-  outline: none;
-}
-
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    color: #f6f6f6;
-    background-color: #2f2f2f;
-  }
-
-  a:hover {
-    color: #24c8db;
-  }
-
-  input,
-  button {
-    color: #ffffff;
-    background-color: #0f0f0f98;
-  }
-  button:active {
-    background-color: #0f0f0f69;
-  }
-}
+/* Boilerplate styles cleared */

src/components/AddDownloadsModal.tsx

@@ -531,7 +531,7 @@ export const AddDownloadsModal = () => {
                  let newName = finalFile;
                  let exists = true;
                  
-                 while (exists) {
+                 while (exists && count < 1000) {
                      newName = `${base} (${count})${ext}`;
                      const storeHas = useDownloadStore.getState().downloads.some(d => {
                          const dest = d.destination || useSettingsStore.getState().defaultDownloadPath || '~/Downloads';

src/components/DownloadTable.tsx

@@ -57,7 +57,8 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
     } else if (dir === '~') {
       resolvedDir = await homeDir();
     }
-    return resolvedDir + '/' + file;
+    const separator = resolvedDir.endsWith('/') ? '' : '/';
+    return resolvedDir + separator + file;
   };
 
   const filteredDownloads = downloads.filter((d: DownloadItem) => {

src/components/Sidebar.tsx

@@ -247,7 +247,10 @@ export const Sidebar: React.FC<SidebarProps> = (props) => {
       {contextMenu && (
         <div
           className="fixed z-50 w-48 py-1 rounded-xl shadow-lg border border-border-modal bg-bg-context-menu backdrop-blur-xl animate-fade-in text-[13px] text-text-primary overflow-hidden"
-          style={{ top: contextMenu.y, left: contextMenu.x }}
+          style={{ 
+            top: Math.min(contextMenu.y, window.innerHeight - 200), 
+            left: Math.min(contextMenu.x, window.innerWidth - 200) 
+          }}
           onClick={e => e.stopPropagation()}
         >
           <button