fix(ui): align cross-platform chrome

src/App.tsx

@@ -577,7 +577,7 @@ function App() {
 
   return (
     <div className="app-shell flex h-screen w-screen overflow-hidden text-text-primary">
-      {platform.os === 'windows' && <WindowControls />}
+      {(platform.os === 'windows' || platform.os === 'linux') && <WindowControls />}
       <div
         className={`app-sidebar-shell relative z-20 shrink-0 transition-all duration-300 ease-[cubic-bezier(0.2,0.8,0.2,1)] ${
           isSidebarVisible ? 'opacity-100' : 'opacity-0 pointer-events-none'

src/components/DownloadTable.tsx

@@ -18,6 +18,7 @@ import {
   startActionLabel
 } from '../utils/downloadActions';
 import { isActiveDownloadStatus } from '../utils/downloads';
+import { usePlatformInfo } from '../utils/platform';
 
 interface DownloadTableProps {
   filter: SidebarFilter;
@@ -30,8 +31,10 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
   const { downloads, queues, assignToQueue, toggleAddModal, openDeleteModal, redownload } = useDownloadStore();
   const { isSidebarVisible, toggleSidebar } = useSettingsStore();
   const { addToast } = useToast();
+  const platform = usePlatformInfo();
 
   const isMac = navigator.userAgent.includes('Mac');
+  const usesCustomWindowControls = !isMac && platform.os !== 'macos';
 
   const [contextMenu, setContextMenu] = useState<{ x: number; y: number; id: string } | null>(null);
   const [animationParent] = useAutoAnimate<HTMLDivElement>();
@@ -373,7 +376,10 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
 
   return (
     <div className="downloads-view flex-1 flex flex-col h-full min-w-0">
-      <div className={`main-titlebar ${!isSidebarVisible ? 'pl-[80px]' : ''}`} data-tauri-drag-region>
+      <div
+        className={`main-titlebar ${!isSidebarVisible ? (usesCustomWindowControls ? 'main-titlebar--custom-controls-collapsed' : 'pl-[88px]') : ''}`}
+        data-tauri-drag-region
+      >
         {!isSidebarVisible && (
           <button
             onClick={toggleSidebar}
@@ -647,7 +653,7 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
                 }}
                 className="w-full text-left px-3 py-2 hover:bg-item-hover transition-colors"
               >
-                Show in Finder
+              Show in Folder
               </button>
 
               <div className="h-[1px] bg-border-modal/60 my-1.5 mx-2"></div>

src/components/KeychainPermissionModal.tsx

@@ -2,10 +2,12 @@ import React, { useState } from 'react';
 import { useSettingsStore } from '../store/useSettingsStore';
 import { invokeCommand as invoke } from '../ipc';
 import { KeyRound, ShieldAlert } from 'lucide-react';
+import { usePlatformInfo } from '../utils/platform';
 
 export const KeychainPermissionModal: React.FC = () => {
   const showKeychainModal = useSettingsStore(state => state.showKeychainModal);
   const setShowKeychainModal = useSettingsStore(state => state.setShowKeychainModal);
+  const platform = usePlatformInfo();
   const [isGranting, setIsGranting] = useState(false);
   const [error, setError] = useState<string | null>(null);
 
@@ -13,16 +15,26 @@ export const KeychainPermissionModal: React.FC = () => {
     return null;
   }
 
+  const isMac = platform.os === 'macos';
+  const storeName =
+    platform.os === 'windows'
+      ? 'Windows Credential Manager'
+      : platform.os === 'linux'
+        ? 'your Linux credential store'
+        : platform.os === 'macos'
+          ? 'macOS Keychain'
+          : "this system's credential store";
+  const grantLabel = isMac ? 'Grant Access' : 'Enable Secure Storage';
+
   const handleGrant = async () => {
     setIsGranting(true);
     setError(null);
+
     try {
       const result = await invoke('grant_keychain_access');
       if (result.persistent) {
-        // Set all keychain-related state directly from the grant result
-        // instead of calling hydratePairingToken() again, which would
-        // re-read the DB before Zustand's persist middleware has written
-        // keychainAccessGranted and could flip persistent back to false.
+        // Keep state in sync with the grant result instead of rehydrating
+        // before Zustand has persisted keychainAccessGranted.
         useSettingsStore.setState({
           keychainAccessGranted: true,
           extensionPairingToken: result.token,
@@ -30,7 +42,7 @@ export const KeychainPermissionModal: React.FC = () => {
         });
         setShowKeychainModal(false);
       } else {
-        setError(result.error || 'Failed to grant keychain access.');
+        setError(result.error || `${storeName} is unavailable.`);
       }
     } catch (e: any) {
       setError(e.toString());
@@ -50,35 +62,42 @@ export const KeychainPermissionModal: React.FC = () => {
         onClick={(e) => e.stopPropagation()}
       >
         <div className="px-5 py-4 border-b border-border-modal flex items-center gap-3">
-          <div className="p-2 bg-blue-500/10 rounded-full flex items-center justify-center">
+          <div className="p-2 bg-blue-500/10 rounded-full items-center justify-center">
             <KeyRound size={20} className="text-blue-500" />
           </div>
-        <h2 className="text-lg font-semibold text-text-primary m-0">Credential Storage Access Needed</h2>
+          <h2 className="text-lg font-semibold text-text-primary m-0">Credential Storage Access Needed</h2>
         </div>
-        
+
         <div className="px-5 py-6 flex-1 text-sm text-text-secondary leading-relaxed space-y-4">
           <p>
-            Firelink uses the browser extension to seamlessly capture downloads.
-            To securely store the pairing token that connects the app and the extension,
-            we need access to this system's credential store.
+            Firelink uses the browser extension to capture downloads. To keep the extension paired after restarts,
+            Firelink stores its pairing token in {storeName}.
           </p>
+
           <p>
-            <strong>Note:</strong> Firelink only requests access to its own dedicated credential entry. It cannot and will not access other saved passwords or credential items on your system.
+            {isMac
+              ? 'macOS may show a Keychain prompt after you grant access.'
+              : 'This usually completes silently. If the credential service is unavailable, Firelink will show the error here and the extension will stay paired for this session only.'}
           </p>
-          
+
+          <p>
+            <strong>Note:</strong> Firelink only writes its own dedicated credential entry. It cannot access other
+            saved passwords or credential items on your system.
+          </p>
+
           {error && (
             <div className="flex items-start gap-2 text-red-400 bg-red-400/10 p-3 rounded-lg border border-red-400/20 text-xs">
               <ShieldAlert size={14} className="mt-0.5 flex-shrink-0" />
               <span>{error}</span>
             </div>
           )}
-          
+
           <div className="bg-bg-modal-accent p-3 rounded-lg border border-border-modal text-xs">
-            <strong>Hint:</strong> If you select Later, the extension will only work for this session. 
-            You can grant access anytime from <strong>Settings &gt; Integrations</strong>.
+            <strong>Hint:</strong> If you select Later, the extension will only work for this session.
+            You can enable secure storage anytime from <strong>Settings &gt; Integrations</strong>.
           </div>
         </div>
-        
+
         <div className="px-5 py-4 border-t border-border-modal flex justify-end gap-3 bg-bg-modal-accent">
           <button
             onClick={handleLater}
@@ -92,7 +111,7 @@ export const KeychainPermissionModal: React.FC = () => {
             disabled={isGranting}
             className="px-4 py-2 rounded-lg text-sm font-medium transition-colors bg-accent text-white hover:bg-accent/90 disabled:opacity-50"
           >
-            {isGranting ? 'Granting...' : 'Grant Access'}
+            {isGranting ? 'Enabling...' : grantLabel}
           </button>
         </div>
       </div>

src/components/WindowControls.tsx

@@ -1,37 +1,54 @@
 import { getCurrentWindow } from '@tauri-apps/api/window';
 import { Minus, Square, X } from 'lucide-react';
+import type { PointerEvent } from 'react';
 
 const appWindow = getCurrentWindow();
 
+const stopTitlebarDrag = (event: PointerEvent<HTMLButtonElement>) => {
+  event.stopPropagation();
+};
+
 export function WindowControls() {
   return (
     <div className="window-controls" aria-label="Window controls">
-      <button
-        type="button"
-        className="window-control"
-        title="Minimize"
-        aria-label="Minimize"
-        onClick={() => void appWindow.minimize()}
-      >
-        <Minus size={13} strokeWidth={2.25} />
-      </button>
-      <button
-        type="button"
-        className="window-control"
-        title="Maximize"
-        aria-label="Maximize"
-        onClick={() => void appWindow.toggleMaximize()}
-      >
-        <Square size={11} strokeWidth={2.25} />
-      </button>
       <button
         type="button"
         className="window-control close"
         title="Close"
         aria-label="Close"
-        onClick={() => void appWindow.close()}
+        onPointerDown={stopTitlebarDrag}
+        onClick={(event) => {
+          event.stopPropagation();
+          void appWindow.close();
+        }}
       >
-        <X size={14} strokeWidth={2.25} />
+        <X size={10} strokeWidth={3} />
+      </button>
+      <button
+        type="button"
+        className="window-control minimize"
+        title="Minimize"
+        aria-label="Minimize"
+        onPointerDown={stopTitlebarDrag}
+        onClick={(event) => {
+          event.stopPropagation();
+          void appWindow.minimize();
+        }}
+      >
+        <Minus size={10} strokeWidth={3} />
+      </button>
+      <button
+        type="button"
+        className="window-control maximize"
+        title="Maximize"
+        aria-label="Maximize"
+        onPointerDown={stopTitlebarDrag}
+        onClick={(event) => {
+          event.stopPropagation();
+          void appWindow.toggleMaximize();
+        }}
+      >
+        <Square size={8} strokeWidth={3} />
       </button>
     </div>
   );

src/index.css

@@ -1285,46 +1285,73 @@
 
 .window-controls {
   position: fixed;
-  top: 10px;
-  left: 12px;
+  top: 15px;
+  left: 22px;
   z-index: 60;
   display: inline-flex;
   align-items: center;
-  gap: 7px;
+  gap: 8px;
+  -webkit-app-region: no-drag;
+  pointer-events: auto;
 }
 
 .window-control {
-  width: 22px;
-  height: 22px;
+  width: 14px;
+  height: 14px;
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  color: hsl(var(--text-muted));
+  color: hsl(0 0% 10% / 0);
   border-radius: 999px;
+  border: 0.5px solid hsl(0 0% 0% / 0.28);
+  box-shadow:
+    inset 0 1px 0 hsl(0 0% 100% / 0.26),
+    0 1px 2px hsl(0 0% 0% / 0.16);
+  transition:
+    filter 120ms ease,
+    color 120ms ease,
+    transform 120ms ease;
+  -webkit-app-region: no-drag;
+}
+
+.window-control.close {
+  background: #ff5f57;
+}
+
+.window-control.minimize {
+  background: #ffbd2e;
+}
+
+.window-control.maximize {
+  background: #28c840;
 }
 
 .window-control:hover {
-  color: hsl(var(--text-primary));
-  background: hsl(var(--item-hover));
+  color: hsl(0 0% 8% / 0.68);
+  filter: saturate(1.14) brightness(1.05);
 }
 
-.window-control.close:hover {
-  color: white;
-  background: #c42b1c;
+.window-control:active {
+  transform: scale(0.92);
+  filter: brightness(0.9);
 }
 
 .main-titlebar {
   height: 52px;
   display: flex;
-    align-items: center;
-    padding: 0 18px;
+  align-items: center;
+  padding: 0 18px;
     border-bottom: 1px solid hsl(var(--border-color));
-    background: hsl(var(--statusbar-bg));
-  }
+  background: hsl(var(--statusbar-bg));
+}
 
-  .main-titlebar-title {
-    font-size: 14px;
-    font-weight: 700;
+.main-titlebar--custom-controls-collapsed {
+  padding-left: 124px;
+}
+
+.main-titlebar-title {
+  font-size: 14px;
+  font-weight: 700;
     color: hsl(var(--text-primary));
     letter-spacing: -0.01em;
   }