style: replace DarkGray with Rgb(160,160,160) for better terminal compatibility

DarkGray renders differently across terminals; a specific RGB value gives
consistent appearance. Also always show the account indicator in the footer.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/ui/chat_list.rs

@@ -35,7 +35,7 @@ pub fn render<T: TdClientTrait>(f: &mut Frame, area: Rect, app: &mut App<T>) {
     let search_style = if app.is_searching {
         Style::default().fg(Color::Yellow)
     } else {
-        Style::default().fg(Color::DarkGray)
+        Style::default().fg(Color::Rgb(160, 160, 160))
     };
     let search = Paragraph::new(search_text)
         .block(Block::default().borders(Borders::ALL))

src/ui/footer.rs

@@ -19,12 +19,7 @@ pub fn render<T: TdClientTrait>(f: &mut Frame, area: Rect, app: &App<T>) {
         NetworkState::Updating => "⏳ Обновление... | ",
     };
 
-    // Account indicator (shown if not "default")
-    let account_indicator = if app.current_account_name != "default" {
-        format!("[{}] ", app.current_account_name)
-    } else {
-        String::new()
-    };
+    let account_indicator = format!("[{}] ", app.current_account_name);
 
     let status = if let Some(msg) = &app.status_message {
         format!(" {}{}{} ", account_indicator, network_indicator, msg)
@@ -57,7 +52,7 @@ pub fn render<T: TdClientTrait>(f: &mut Frame, area: Rect, app: &App<T>) {
     } else if app.status_message.is_some() {
         Style::default().fg(Color::Yellow)
     } else {
-        Style::default().fg(Color::DarkGray)
+        Style::default().fg(Color::Rgb(160, 160, 160))
     };
 
     let footer = Paragraph::new(status).style(style);