diff --git a/src/lib.rs b/src/lib.rs
index 216e198..248e784 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,7 @@ use ratatui::backend::CrosstermBackend;
 use ratatui::layout::{Constraint, Direction, Layout};
 use ratatui::prelude::{Color, Modifier, Style};
 use ratatui::Terminal;
-use ratatui::widgets::{Block, Borders, List, ListItem, Paragraph};
+use ratatui::widgets::{Block, Borders, List, ListItem, ListState, Paragraph};
 use crate::config::Config;
 
 pub mod config;
@@ -89,6 +89,12 @@ pub fn main(config: &Config, terminal: &mut Terminal<CrosstermBackend<Stdout>>)
     let mut session = connect(config).ok();
     let mut inbox = refresh_inbox(&mut session, config);
     let mut last_fetch = Instant::now();
+    let mut list_state = ListState::default();
+    if let Ok(emails) = &inbox {
+        if !emails.is_empty() {
+            list_state.select(Some(0));
+        }
+    }
 
     // --- Main loop ---
     loop {
@@ -120,9 +126,14 @@ pub fn main(config: &Config, terminal: &mut Terminal<CrosstermBackend<Stdout>>)
                                 .borders(Borders::ALL),
                         )
                         .style(Style::default().fg(Color::White))
-                        .highlight_style(Style::default().add_modifier(Modifier::BOLD));
+                        .highlight_style(
+                            Style::default()
+                                .bg(Color::DarkGray)
+                                .add_modifier(Modifier::BOLD),
+                        )
+                        .highlight_symbol(">> ");
 
-                    frame.render_widget(list, layout[0]);
+                    frame.render_stateful_widget(list, layout[0], &mut list_state);
                 }
                 Ok(_) => {
                     let p = Paragraph::new("No messages in inbox.")
@@ -138,7 +149,7 @@ pub fn main(config: &Config, terminal: &mut Terminal<CrosstermBackend<Stdout>>)
                 }
             }
 
-            let status = Paragraph::new(" 'q' quit | 'r' refresh")
+            let status = Paragraph::new(" 'q' quit | 'r' refresh | ↑/↓ navigate")
                 .style(Style::default().fg(Color::DarkGray));
             frame.render_widget(status, layout[1]);
         })?;
@@ -151,6 +162,27 @@ pub fn main(config: &Config, terminal: &mut Terminal<CrosstermBackend<Stdout>>)
                     KeyCode::Char('r') => {
                         inbox = refresh_inbox(&mut session, config);
                         last_fetch = Instant::now();
+                        if let Ok(emails) = &inbox {
+                            if !emails.is_empty() {
+                                list_state.select(Some(0));
+                            } else {
+                                list_state.select(None);
+                            }
+                        }
+                    }
+                    KeyCode::Down | KeyCode::Char('j') => {
+                        if let Ok(emails) = &inbox {
+                            let i = list_state.selected().map_or(0, |i| {
+                                if i + 1 < emails.len() { i + 1 } else { i }
+                            });
+                            list_state.select(Some(i));
+                        }
+                    }
+                    KeyCode::Up | KeyCode::Char('k') => {
+                        if let Ok(_) = &inbox {
+                            let i = list_state.selected().map_or(0, |i| i.saturating_sub(1));
+                            list_state.select(Some(i));
+                        }
                     }
                     _ => {}
                 }