updated styling and installation steps

tui/steps/install.go

@@ -421,19 +421,37 @@ func (m InstallModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 }
 
 func (m InstallModel) View() string {
-	s := styles.TitleStyle.Render("Installing Miasma OS")
-	s += "\n\n"
-	s += fmt.Sprintf("Step %d/%d: %s\n\n", m.currentStep, m.totalSteps, m.status)
+	var content strings.Builder
+
+	content.WriteString(styles.TitleStyle.Render("⚙️  Installing Miasma OS"))
+	content.WriteString("\n\n")
+
+	progress := fmt.Sprintf("Step %d/%d", m.currentStep, m.totalSteps)
+	content.WriteString(styles.ProgressTextStyle.Render(progress))
+	content.WriteString("\n")
+
+	bar := strings.Repeat("█", m.currentStep) + strings.Repeat("░", m.totalSteps-m.currentStep)
+	content.WriteString(styles.ProgressBarStyle.Render(bar))
+	content.WriteString("\n\n")
+
+	content.WriteString(styles.SpinnerStyle.Render("● ") + m.status)
+	content.WriteString("\n\n")
 
 	if m.err != nil {
-		s += styles.HelpStyle.Render(fmt.Sprintf("Error: %v\n", m.err))
+		errMsg := fmt.Sprintf("✗ Error: %v", m.err)
+		content.WriteString(styles.ErrorBoxStyle.Render(errMsg))
+		content.WriteString("\n\n")
+		content.WriteString(styles.HelpStyle.Render("Press Ctrl+C to exit"))
 	}
 
 	if m.Finished && m.err == nil {
-		s += "\n" + styles.HelpStyle.Render("Installation successful! You can now reboot.\nPress Ctrl+C to exit")
+		success := "✓ Installation successful!\n\nYou can now reboot your system."
+		content.WriteString(styles.BoxStyle.Render(success))
+		content.WriteString("\n\n")
+		content.WriteString(styles.RenderHelp("Ctrl+C", "Exit"))
 	}
 
-	return styles.MainStyle.Render(s)
+	return styles.AppStyle.Render(content.String())
 }
 
 func readLines(path string) ([]string, error) {