diff --git a/app/[locale]/page.tsx b/app/[locale]/page.tsx
index a72a5638..9f978732 100644
--- a/app/[locale]/page.tsx
+++ b/app/[locale]/page.tsx
@@ -1499,9 +1499,12 @@ export default function Home() {
                         } else {
                           selectAllEmails();
                         }
-                      } else {
-                        // Enter selection mode by selecting the first email
-                        if (emails.length > 0) toggleEmailSelection(emails[0].id);
+                      } else if (emails.length > 0) {
+                        const currentId = selectedEmail?.id;
+                        const target = currentId && emails.some((e) => e.id === currentId)
+                          ? currentId
+                          : emails[0].id;
+                        toggleEmailSelection(target);
                       }
                     }}
                     className={cn(
diff --git a/components/contacts/contact-list.tsx b/components/contacts/contact-list.tsx
index c8445fe6..b34e7287 100644
--- a/components/contacts/contact-list.tsx
+++ b/components/contacts/contact-list.tsx
@@ -274,7 +274,10 @@ export function ContactList({
                   if (allSelected) onClearSelection();
                   else onSelectAll(sortedIds);
                 } else if (sortedIds.length > 0) {
-                  onToggleSelection(sortedIds[0]);
+                  const target = selectedContactId && sortedIds.includes(selectedContactId)
+                    ? selectedContactId
+                    : sortedIds[0];
+                  onToggleSelection(target);
                 }
               }}
               className={cn(
diff --git a/components/email/email-list-item.tsx b/components/email/email-list-item.tsx
index f12b5a6d..54e35320 100644
--- a/components/email/email-list-item.tsx
+++ b/components/email/email-list-item.tsx
@@ -99,7 +99,8 @@ export function EmailListItem({ email, selected, onClick, onContextMenu, onToggl
             : "bg-background"
         ),
         selected && !colorTag && "shadow-sm",
-        !colorTag && !selected && "hover:bg-muted hover:shadow-sm",
+        !colorTag && !selected && !isChecked && "hover:bg-muted hover:shadow-sm",
+        !colorTag && (selected || isChecked) && "hover:bg-accent hover:shadow-sm",
         colorTag && "hover:brightness-95 dark:hover:brightness-110",
         isUnread && !selected && !colorTag && "bg-warning/10",
         // Add visual feedback for checked state
@@ -302,7 +303,7 @@ export function EmailListItem({ email, selected, onClick, onContextMenu, onToggl
       {/* Hover Quick Actions */}
       <EmailHoverActions
         email={email}
-        backgroundClassName={colorTag ? colorTag : (selected ? "bg-selection" : "bg-muted")}
+        backgroundClassName={colorTag ? colorTag : ((selected || isChecked) ? "bg-accent" : "bg-muted")}
         onToggleStar={onToggleStar}
         onMarkAsRead={onMarkAsRead}
         onDelete={onDelete}
diff --git a/components/email/thread-list-item.tsx b/components/email/thread-list-item.tsx
index 9509759f..21e1c1fe 100644
--- a/components/email/thread-list-item.tsx
+++ b/components/email/thread-list-item.tsx
@@ -133,7 +133,8 @@ const SingleEmailItem = React.forwardRef<HTMLDivElement, SingleEmailItemProps>(
               : "bg-background"
           ),
           selected && !resolvedColorTag && "shadow-sm",
-          !resolvedColorTag && !selected && "hover:bg-muted hover:shadow-sm",
+          !resolvedColorTag && !selected && !isChecked && "hover:bg-muted hover:shadow-sm",
+          !resolvedColorTag && (selected || isChecked) && "hover:bg-accent hover:shadow-sm",
           resolvedColorTag && "hover:brightness-95 dark:hover:brightness-110",
           isUnread && !resolvedColorTag && "bg-accent/30",
           isChecked && "ring-2 ring-primary/20 bg-accent/40",
@@ -323,7 +324,7 @@ const SingleEmailItem = React.forwardRef<HTMLDivElement, SingleEmailItemProps>(
         {/* Hover Quick Actions */}
         <EmailHoverActions
           email={email}
-          backgroundClassName={resolvedColorTag ? resolvedColorTag : (selected ? "bg-accent" : "bg-muted")}
+          backgroundClassName={resolvedColorTag ? resolvedColorTag : ((selected || isChecked) ? "bg-accent" : "bg-muted")}
           onToggleStar={onToggleStar}
           onMarkAsRead={onMarkAsRead}
           onDelete={onDelete}
@@ -487,7 +488,8 @@ export const ThreadListItem = React.forwardRef<HTMLDivElement, ThreadListItemPro
                 : "bg-background"
             ),
             isSelected && !colorTag && "shadow-sm",
-            !colorTag && !isSelected && "hover:bg-muted hover:shadow-sm",
+            !colorTag && !isSelected && !isChecked && "hover:bg-muted hover:shadow-sm",
+            !colorTag && (isSelected || isChecked) && "hover:bg-accent hover:shadow-sm",
             colorTag && "hover:brightness-95 dark:hover:brightness-110",
             hasUnread && !colorTag && !isSelected && "bg-accent/30",
             isExpanded && "border-b border-border/50",
@@ -725,7 +727,7 @@ export const ThreadListItem = React.forwardRef<HTMLDivElement, ThreadListItemPro
           {/* Hover Quick Actions for thread header */}
           <EmailHoverActions
             email={latestEmail}
-            backgroundClassName={colorTag ? colorTag : (isSelected ? "bg-accent" : "bg-muted")}
+            backgroundClassName={colorTag ? colorTag : ((isSelected || isChecked) ? "bg-accent" : "bg-muted")}
             onToggleStar={onToggleStar ? () => onToggleStar(latestEmail) : undefined}
             onMarkAsRead={onMarkAsRead ? (read) => onMarkAsRead(latestEmail, read) : undefined}
             onDelete={onDelete ? () => onDelete(latestEmail) : undefined}