diff --git a/assets/themes/farout.toml b/assets/themes/farout.toml
new file mode 100644
index 0000000..2d97094
--- /dev/null
+++ b/assets/themes/farout.toml
@@ -0,0 +1,23 @@
+name = "farout"
+
+[colors]
+bg = "#0f0908"
+fg = "#E0CCAE"
+text_correct = "#a4896f"
+text_incorrect = "#bf472c"
+text_incorrect_bg = "#392D2B"
+text_pending = "#A67458"
+text_cursor_bg = "#0f0908"
+text_cursor_fg = "#f2a766"
+focused_key = "#f2a766"
+accent = "#d47d49"
+accent_dim = "#392D2B"
+border = "#392D2B"
+border_focused = "#d47d49"
+header_bg = "#392D2B"
+header_fg = "#E0CCAE"
+bar_filled = "#a67458"
+bar_empty = "#392D2B"
+error = "#bf472c"
+warning = "#f2a766"
+success = "#a4896f"
diff --git a/assets/themes/gruvbox-darkest.toml b/assets/themes/gruvbox-darkest.toml
new file mode 100644
index 0000000..ae14e3e
--- /dev/null
+++ b/assets/themes/gruvbox-darkest.toml
@@ -0,0 +1,23 @@
+name = "gruvbox-darkest"
+
+[colors]
+bg = "#121212"
+fg = "#ebdbb2"
+text_correct = "#b8bb26"
+text_incorrect = "#fb4934"
+text_incorrect_bg = "#462726"
+text_pending = "#a89984"
+text_cursor_bg = "#fabd2f"
+text_cursor_fg = "#121212"
+focused_key = "#fabd2f"
+accent = "#83a598"
+accent_dim = "#3c3836"
+border = "#504945"
+border_focused = "#83a598"
+header_bg = "#3c3836"
+header_fg = "#ebdbb2"
+bar_filled = "#83a598"
+bar_empty = "#3c3836"
+error = "#fb4934"
+warning = "#fabd2f"
+success = "#b8bb26"
diff --git a/assets/themes/kanagawa-dragon.toml b/assets/themes/kanagawa-dragon.toml
new file mode 100644
index 0000000..87ef6f4
--- /dev/null
+++ b/assets/themes/kanagawa-dragon.toml
@@ -0,0 +1,23 @@
+name = "kanagawa-dragon"
+
+[colors]
+bg = "#181616"
+fg = "#c5c9c5"
+text_correct = "#8a9a7b"
+text_incorrect = "#c4746e"
+text_incorrect_bg = "#43242B"
+text_pending = "#a6a69c"
+text_cursor_bg = "#2d4f67"
+text_cursor_fg = "#c8c093"
+focused_key = "#c4b28a"
+accent = "#8ba4b0"
+accent_dim = "#282727"
+border = "#625e5a"
+border_focused = "#8ba4b0"
+header_bg = "#282727"
+header_fg = "#c5c9c5"
+bar_filled = "#8ea4a2"
+bar_empty = "#282727"
+error = "#c4746e"
+warning = "#c4b28a"
+success = "#8a9a7b"
diff --git a/assets/themes/kanagawa-lotus.toml b/assets/themes/kanagawa-lotus.toml
new file mode 100644
index 0000000..e36084c
--- /dev/null
+++ b/assets/themes/kanagawa-lotus.toml
@@ -0,0 +1,23 @@
+name = "kanagawa-lotus"
+
+[colors]
+bg = "#f2ecbc"
+fg = "#545464"
+text_correct = "#6f894e"
+text_incorrect = "#c84053"
+text_incorrect_bg = "#d9a594"
+text_pending = "#8a8980"
+text_cursor_bg = "#5d57a3"
+text_cursor_fg = "#f2ecbc"
+focused_key = "#77713f"
+accent = "#4d699b"
+accent_dim = "#e7dba0"
+border = "#a5a37d"
+border_focused = "#4d699b"
+header_bg = "#e7dba0"
+header_fg = "#545464"
+bar_filled = "#597b75"
+bar_empty = "#d9d0a3"
+error = "#c84053"
+warning = "#77713f"
+success = "#6f894e"
diff --git a/assets/themes/kanagawa-wave.toml b/assets/themes/kanagawa-wave.toml
new file mode 100644
index 0000000..4527f12
--- /dev/null
+++ b/assets/themes/kanagawa-wave.toml
@@ -0,0 +1,23 @@
+name = "kanagawa-wave"
+
+[colors]
+bg = "#1f1f28"
+fg = "#dcd7ba"
+text_correct = "#76946a"
+text_incorrect = "#c34043"
+text_incorrect_bg = "#43242B"
+text_pending = "#727169"
+text_cursor_bg = "#2d4f67"
+text_cursor_fg = "#c8c093"
+focused_key = "#c0a36e"
+accent = "#7e9cd8"
+accent_dim = "#2A2A37"
+border = "#54546D"
+border_focused = "#7e9cd8"
+header_bg = "#2A2A37"
+header_fg = "#dcd7ba"
+bar_filled = "#7e9cd8"
+bar_empty = "#2A2A37"
+error = "#c34043"
+warning = "#c0a36e"
+success = "#76946a"
diff --git a/assets/themes/terminal-default.toml b/assets/themes/terminal-default.toml
new file mode 100644
index 0000000..cc2d413
--- /dev/null
+++ b/assets/themes/terminal-default.toml
@@ -0,0 +1,23 @@
+name = "terminal-default"
+
+[colors]
+bg = "reset"
+fg = "reset"
+text_correct = "green"
+text_incorrect = "red"
+text_incorrect_bg = "reset"
+text_pending = "darkgray"
+text_cursor_bg = "reset"
+text_cursor_fg = "reset"
+focused_key = "yellow"
+accent = "blue"
+accent_dim = "darkgray"
+border = "darkgray"
+border_focused = "blue"
+header_bg = "reset"
+header_fg = "reset"
+bar_filled = "blue"
+bar_empty = "darkgray"
+error = "red"
+warning = "yellow"
+success = "green"
diff --git a/src/app.rs b/src/app.rs
index 28610d5..9326fb6 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,14 +1,15 @@
 use std::collections::HashSet;
 use std::time::Instant;
 
-use rand::rngs::SmallRng;
 use rand::SeedableRng;
+use rand::rngs::SmallRng;
 
 use crate::config::Config;
 use crate::engine::filter::CharFilter;
 use crate::engine::key_stats::KeyStatsStore;
 use crate::engine::scoring;
 use crate::engine::skill_tree::{BranchId, BranchStatus, DrillScope, SkillTree};
+use crate::generator::TextGenerator;
 use crate::generator::capitalize;
 use crate::generator::code_patterns;
 use crate::generator::code_syntax::CodeSyntaxGenerator;
@@ -17,14 +18,13 @@ use crate::generator::numbers;
 use crate::generator::passage::PassageGenerator;
 use crate::generator::phonetic::PhoneticGenerator;
 use crate::generator::punctuate;
-use crate::generator::TextGenerator;
 use crate::generator::transition_table::TransitionTable;
 
-use crate::session::input::{self, KeystrokeEvent};
 use crate::session::drill::DrillState;
+use crate::session::input::{self, KeystrokeEvent};
 use crate::session::result::DrillResult;
 use crate::store::json_store::JsonStore;
-use crate::store::schema::{KeyStatsData, DrillHistoryData, ProfileData};
+use crate::store::schema::{DrillHistoryData, KeyStatsData, ProfileData};
 use crate::ui::components::menu::Menu;
 use crate::ui::theme::Theme;
 
@@ -182,7 +182,8 @@ impl App {
                 let focused = self.skill_tree.focused_key(scope, &self.key_stats);
 
                 // Generate base lowercase text using only lowercase keys from scope
-                let lowercase_keys: Vec<char> = all_keys.iter()
+                let lowercase_keys: Vec<char> = all_keys
+                    .iter()
                     .copied()
                     .filter(|ch| ch.is_ascii_lowercase() || *ch == ' ')
                     .collect();
@@ -196,7 +197,8 @@ impl App {
                 let mut text = generator.generate(&filter, lowercase_focused, word_count);
 
                 // Apply capitalization if uppercase keys are in scope
-                let cap_keys: Vec<char> = all_keys.iter()
+                let cap_keys: Vec<char> = all_keys
+                    .iter()
                     .copied()
                     .filter(|ch| ch.is_ascii_uppercase())
                     .collect();
@@ -206,9 +208,15 @@ impl App {
                 }
 
                 // Apply punctuation if punctuation keys are in scope
-                let punct_keys: Vec<char> = all_keys.iter()
+                let punct_keys: Vec<char> = all_keys
+                    .iter()
                     .copied()
-                    .filter(|ch| matches!(ch, '.' | ',' | '\'' | ';' | ':' | '"' | '-' | '?' | '!' | '(' | ')'))
+                    .filter(|ch| {
+                        matches!(
+                            ch,
+                            '.' | ',' | '\'' | ';' | ':' | '"' | '-' | '?' | '!' | '(' | ')'
+                        )
+                    })
                     .collect();
                 if !punct_keys.is_empty() {
                     let mut rng = SmallRng::from_rng(&mut self.rng).unwrap();
@@ -216,7 +224,8 @@ impl App {
                 }
 
                 // Apply numbers if digit keys are in scope
-                let digit_keys: Vec<char> = all_keys.iter()
+                let digit_keys: Vec<char> = all_keys
+                    .iter()
                     .copied()
                     .filter(|ch| ch.is_ascii_digit())
                     .collect();
@@ -236,16 +245,44 @@ impl App {
                     ),
                 };
                 if code_active {
-                    let symbol_keys: Vec<char> = all_keys.iter()
+                    let symbol_keys: Vec<char> = all_keys
+                        .iter()
                         .copied()
-                        .filter(|ch| matches!(ch,
-                            '=' | '+' | '*' | '/' | '-' | '{' | '}' | '[' | ']' | '<' | '>' |
-                            '&' | '|' | '^' | '~' | '@' | '#' | '$' | '%' | '_' | '\\' | '`'
-                        ))
+                        .filter(|ch| {
+                            matches!(
+                                ch,
+                                '=' | '+'
+                                    | '*'
+                                    | '/'
+                                    | '-'
+                                    | '{'
+                                    | '}'
+                                    | '['
+                                    | ']'
+                                    | '<'
+                                    | '>'
+                                    | '&'
+                                    | '|'
+                                    | '^'
+                                    | '~'
+                                    | '@'
+                                    | '#'
+                                    | '$'
+                                    | '%'
+                                    | '_'
+                                    | '\\'
+                                    | '`'
+                            )
+                        })
                         .collect();
                     if !symbol_keys.is_empty() {
                         let mut rng = SmallRng::from_rng(&mut self.rng).unwrap();
-                        text = code_patterns::apply_code_symbols(&text, &symbol_keys, focused, &mut rng);
+                        text = code_patterns::apply_code_symbols(
+                            &text,
+                            &symbol_keys,
+                            focused,
+                            &mut rng,
+                        );
                     }
                 }
 
@@ -298,7 +335,12 @@ impl App {
     fn finish_drill(&mut self) {
         if let Some(ref drill) = self.drill {
             let ranked = self.drill_mode.is_ranked();
-            let result = DrillResult::from_drill(drill, &self.drill_events, self.drill_mode.as_str(), ranked);
+            let result = DrillResult::from_drill(
+                drill,
+                &self.drill_events,
+                self.drill_mode.as_str(),
+                ranked,
+            );
 
             if ranked {
                 for kt in &result.per_key_times {
@@ -329,8 +371,7 @@ impl App {
                 } else {
                     self.profile.streak_days = 1;
                 }
-                self.profile.best_streak =
-                    self.profile.best_streak.max(self.profile.streak_days);
+                self.profile.best_streak = self.profile.best_streak.max(self.profile.streak_days);
                 self.profile.last_practice_date = Some(today);
             }
 
@@ -447,8 +488,7 @@ impl App {
                 } else {
                     self.profile.streak_days = 1;
                 }
-                self.profile.best_streak =
-                    self.profile.best_streak.max(self.profile.streak_days);
+                self.profile.best_streak = self.profile.best_streak.max(self.profile.streak_days);
                 self.profile.last_practice_date = Some(day);
             }
         }
diff --git a/src/config.rs b/src/config.rs
index 508d7a4..dbb97d6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -22,7 +22,7 @@ fn default_target_wpm() -> u32 {
     35
 }
 fn default_theme() -> String {
-    "catppuccin-mocha".to_string()
+    "terminal-default".to_string()
 }
 fn default_keyboard_layout() -> String {
     "qwerty".to_string()
diff --git a/src/engine/filter.rs b/src/engine/filter.rs
index 5e158d4..a36cd00 100644
--- a/src/engine/filter.rs
+++ b/src/engine/filter.rs
@@ -13,8 +13,6 @@ impl CharFilter {
 
     #[allow(dead_code)]
     pub fn filter_text(&self, text: &str) -> String {
-        text.chars()
-            .filter(|&ch| self.is_allowed(ch))
-            .collect()
+        text.chars().filter(|&ch| self.is_allowed(ch)).collect()
     }
 }
diff --git a/src/engine/key_stats.rs b/src/engine/key_stats.rs
index fb5210a..63c60de 100644
--- a/src/engine/key_stats.rs
+++ b/src/engine/key_stats.rs
@@ -48,8 +48,7 @@ impl KeyStatsStore {
         if stat.sample_count == 1 {
             stat.filtered_time_ms = time_ms;
         } else {
-            stat.filtered_time_ms =
-                EMA_ALPHA * time_ms + (1.0 - EMA_ALPHA) * stat.filtered_time_ms;
+            stat.filtered_time_ms = EMA_ALPHA * time_ms + (1.0 - EMA_ALPHA) * stat.filtered_time_ms;
         }
 
         stat.best_time_ms = stat.best_time_ms.min(stat.filtered_time_ms);
@@ -64,10 +63,7 @@ impl KeyStatsStore {
     }
 
     pub fn get_confidence(&self, key: char) -> f64 {
-        self.stats
-            .get(&key)
-            .map(|s| s.confidence)
-            .unwrap_or(0.0)
+        self.stats.get(&key).map(|s| s.confidence).unwrap_or(0.0)
     }
 
     #[allow(dead_code)]
@@ -104,7 +100,10 @@ mod tests {
         let conf = store.get_confidence('t');
         // At 175 CPM target, target_time = 60000/175 = 342.8ms
         // With 200ms typing time, confidence = 342.8/200 = 1.71
-        assert!(conf > 1.0, "confidence should be > 1.0 for fast typing, got {conf}");
+        assert!(
+            conf > 1.0,
+            "confidence should be > 1.0 for fast typing, got {conf}"
+        );
     }
 
     #[test]
@@ -115,6 +114,9 @@ mod tests {
         }
         let conf = store.get_confidence('a');
         // target_time = 342.8ms, typing at 1000ms -> conf = 342.8/1000 = 0.34
-        assert!(conf < 1.0, "confidence should be < 1.0 for slow typing, got {conf}");
+        assert!(
+            conf < 1.0,
+            "confidence should be < 1.0 for slow typing, got {conf}"
+        );
     }
 }
diff --git a/src/engine/skill_tree.rs b/src/engine/skill_tree.rs
index b452416..f872801 100644
--- a/src/engine/skill_tree.rs
+++ b/src/engine/skill_tree.rs
@@ -78,8 +78,8 @@ pub struct BranchDefinition {
 const LOWERCASE_LEVELS: &[LevelDefinition] = &[LevelDefinition {
     name: "Frequency Order",
     keys: &[
-        'e', 't', 'a', 'o', 'i', 'n', 's', 'h', 'r', 'd', 'l', 'c', 'u', 'm', 'w', 'f', 'g',
-        'y', 'p', 'b', 'v', 'k', 'j', 'x', 'q', 'z',
+        'e', 't', 'a', 'o', 'i', 'n', 's', 'h', 'r', 'd', 'l', 'c', 'u', 'm', 'w', 'f', 'g', 'y',
+        'p', 'b', 'v', 'k', 'j', 'x', 'q', 'z',
     ],
 }];
 
@@ -293,10 +293,7 @@ impl SkillTree {
             status: BranchStatus::Locked,
             current_level: 0,
         };
-        self.progress
-            .branches
-            .get(id.to_key())
-            .unwrap_or(&DEFAULT)
+        self.progress.branches.get(id.to_key()).unwrap_or(&DEFAULT)
     }
 
     pub fn branch_progress_mut(&mut self, id: BranchId) -> &mut BranchProgress {
@@ -663,8 +660,14 @@ mod tests {
     #[test]
     fn test_initial_state() {
         let tree = SkillTree::default();
-        assert_eq!(*tree.branch_status(BranchId::Lowercase), BranchStatus::InProgress);
-        assert_eq!(*tree.branch_status(BranchId::Capitals), BranchStatus::Locked);
+        assert_eq!(
+            *tree.branch_status(BranchId::Lowercase),
+            BranchStatus::InProgress
+        );
+        assert_eq!(
+            *tree.branch_status(BranchId::Capitals),
+            BranchStatus::Locked
+        );
         assert_eq!(*tree.branch_status(BranchId::Numbers), BranchStatus::Locked);
     }
 
@@ -711,12 +714,30 @@ mod tests {
             tree.update(&stats);
         }
 
-        assert_eq!(*tree.branch_status(BranchId::Lowercase), BranchStatus::Complete);
-        assert_eq!(*tree.branch_status(BranchId::Capitals), BranchStatus::Available);
-        assert_eq!(*tree.branch_status(BranchId::Numbers), BranchStatus::Available);
-        assert_eq!(*tree.branch_status(BranchId::ProsePunctuation), BranchStatus::Available);
-        assert_eq!(*tree.branch_status(BranchId::Whitespace), BranchStatus::Available);
-        assert_eq!(*tree.branch_status(BranchId::CodeSymbols), BranchStatus::Available);
+        assert_eq!(
+            *tree.branch_status(BranchId::Lowercase),
+            BranchStatus::Complete
+        );
+        assert_eq!(
+            *tree.branch_status(BranchId::Capitals),
+            BranchStatus::Available
+        );
+        assert_eq!(
+            *tree.branch_status(BranchId::Numbers),
+            BranchStatus::Available
+        );
+        assert_eq!(
+            *tree.branch_status(BranchId::ProsePunctuation),
+            BranchStatus::Available
+        );
+        assert_eq!(
+            *tree.branch_status(BranchId::Whitespace),
+            BranchStatus::Available
+        );
+        assert_eq!(
+            *tree.branch_status(BranchId::CodeSymbols),
+            BranchStatus::Available
+        );
     }
 
     #[test]
@@ -726,7 +747,10 @@ mod tests {
         tree.branch_progress_mut(BranchId::Capitals).status = BranchStatus::Available;
 
         tree.start_branch(BranchId::Capitals);
-        assert_eq!(*tree.branch_status(BranchId::Capitals), BranchStatus::InProgress);
+        assert_eq!(
+            *tree.branch_status(BranchId::Capitals),
+            BranchStatus::InProgress
+        );
         assert_eq!(tree.branch_progress(BranchId::Capitals).current_level, 0);
     }
 
@@ -745,7 +769,10 @@ mod tests {
         tree.update(&stats);
 
         assert_eq!(tree.branch_progress(BranchId::Capitals).current_level, 1);
-        assert_eq!(*tree.branch_status(BranchId::Capitals), BranchStatus::InProgress);
+        assert_eq!(
+            *tree.branch_status(BranchId::Capitals),
+            BranchStatus::InProgress
+        );
     }
 
     #[test]
@@ -766,7 +793,10 @@ mod tests {
             tree.update(&stats);
         }
 
-        assert_eq!(*tree.branch_status(BranchId::Capitals), BranchStatus::Complete);
+        assert_eq!(
+            *tree.branch_status(BranchId::Capitals),
+            BranchStatus::Complete
+        );
     }
 
     #[test]
diff --git a/src/event.rs b/src/event.rs
index 2be4f6f..6e44af2 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -20,23 +20,25 @@ impl EventHandler {
         let (tx, rx) = mpsc::channel();
         let _tx = tx.clone();
 
-        thread::spawn(move || loop {
-            if event::poll(tick_rate).unwrap_or(false) {
-                match event::read() {
-                    Ok(Event::Key(key)) => {
-                        if tx.send(AppEvent::Key(key)).is_err() {
-                            return;
+        thread::spawn(move || {
+            loop {
+                if event::poll(tick_rate).unwrap_or(false) {
+                    match event::read() {
+                        Ok(Event::Key(key)) => {
+                            if tx.send(AppEvent::Key(key)).is_err() {
+                                return;
+                            }
                         }
-                    }
-                    Ok(Event::Resize(w, h)) => {
-                        if tx.send(AppEvent::Resize(w, h)).is_err() {
-                            return;
+                        Ok(Event::Resize(w, h)) => {
+                            if tx.send(AppEvent::Resize(w, h)).is_err() {
+                                return;
+                            }
                         }
+                        _ => {}
                     }
-                    _ => {}
+                } else if tx.send(AppEvent::Tick).is_err() {
+                    return;
                 }
-            } else if tx.send(AppEvent::Tick).is_err() {
-                return;
             }
         });
 
diff --git a/src/generator/cache.rs b/src/generator/cache.rs
index 8eb973d..7cd917f 100644
--- a/src/generator/cache.rs
+++ b/src/generator/cache.rs
@@ -24,7 +24,13 @@ impl DiskCache {
 
     fn sanitize_key(key: &str) -> String {
         key.chars()
-            .map(|c| if c.is_alphanumeric() || c == '-' || c == '_' || c == '.' { c } else { '_' })
+            .map(|c| {
+                if c.is_alphanumeric() || c == '-' || c == '_' || c == '.' {
+                    c
+                } else {
+                    '_'
+                }
+            })
             .collect()
     }
 }
diff --git a/src/generator/capitalize.rs b/src/generator/capitalize.rs
index df981c6..9dafad4 100644
--- a/src/generator/capitalize.rs
+++ b/src/generator/capitalize.rs
@@ -1,5 +1,5 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 /// Post-processing pass that capitalizes words in generated text.
 /// Only capitalizes using letters from `unlocked_capitals`.
@@ -39,11 +39,16 @@ pub fn apply_capitalization(
 
         // Capitalize word starts: boosted for focused key, ~12% for others
         if ch.is_ascii_lowercase() && !at_sentence_start {
-            let is_word_start = i == 0 || text.as_bytes().get(i - 1).map(|&b| b as char) == Some(' ');
+            let is_word_start =
+                i == 0 || text.as_bytes().get(i - 1).map(|&b| b as char) == Some(' ');
             if is_word_start {
                 let upper = ch.to_ascii_uppercase();
                 if unlocked_capitals.contains(&upper) {
-                    let prob = if focused_upper == Some(upper) { 0.40 } else { 0.12 };
+                    let prob = if focused_upper == Some(upper) {
+                        0.40
+                    } else {
+                        0.12
+                    };
                     if rng.gen_bool(prob) {
                         result.push(upper);
                         continue;
diff --git a/src/generator/code_patterns.rs b/src/generator/code_patterns.rs
index e6029ca..98ce750 100644
--- a/src/generator/code_patterns.rs
+++ b/src/generator/code_patterns.rs
@@ -1,5 +1,5 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 /// Post-processing pass that inserts code-like expressions into text.
 /// Only uses symbols from `unlocked_symbols`.
@@ -51,35 +51,47 @@ fn generate_code_expr(
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} = val")));
-        if focused_symbol == Some('=') { focused_patterns.push(idx); }
+        if focused_symbol == Some('=') {
+            focused_patterns.push(idx);
+        }
     }
     if has('+') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} + num")));
-        if focused_symbol == Some('+') { focused_patterns.push(idx); }
+        if focused_symbol == Some('+') {
+            focused_patterns.push(idx);
+        }
     }
     if has('*') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} * cnt")));
-        if focused_symbol == Some('*') { focused_patterns.push(idx); }
+        if focused_symbol == Some('*') {
+            focused_patterns.push(idx);
+        }
     }
     if has('/') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} / max")));
-        if focused_symbol == Some('/') { focused_patterns.push(idx); }
+        if focused_symbol == Some('/') {
+            focused_patterns.push(idx);
+        }
     }
     if has('-') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} - one")));
-        if focused_symbol == Some('-') { focused_patterns.push(idx); }
+        if focused_symbol == Some('-') {
+            focused_patterns.push(idx);
+        }
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("-{w}")));
-        if focused_symbol == Some('-') { focused_patterns.push(idx); }
+        if focused_symbol == Some('-') {
+            focused_patterns.push(idx);
+        }
     }
     if has('=') && has('+') {
         let w = word.to_string();
@@ -89,7 +101,9 @@ fn generate_code_expr(
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} -= one")));
-        if focused_symbol == Some('-') { focused_patterns.push(idx); }
+        if focused_symbol == Some('-') {
+            focused_patterns.push(idx);
+        }
     }
     if has('=') && has('=') {
         let w = word.to_string();
@@ -101,19 +115,25 @@ fn generate_code_expr(
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{{ {w} }}")));
-        if matches!(focused_symbol, Some('{') | Some('}')) { focused_patterns.push(idx); }
+        if matches!(focused_symbol, Some('{') | Some('}')) {
+            focused_patterns.push(idx);
+        }
     }
     if has('[') && has(']') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w}[idx]")));
-        if matches!(focused_symbol, Some('[') | Some(']')) { focused_patterns.push(idx); }
+        if matches!(focused_symbol, Some('[') | Some(']')) {
+            focused_patterns.push(idx);
+        }
     }
     if has('<') && has('>') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("Vec<{w}>")));
-        if matches!(focused_symbol, Some('<') | Some('>')) { focused_patterns.push(idx); }
+        if matches!(focused_symbol, Some('<') | Some('>')) {
+            focused_patterns.push(idx);
+        }
     }
 
     // Logic patterns
@@ -121,19 +141,25 @@ fn generate_code_expr(
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("&{w}")));
-        if focused_symbol == Some('&') { focused_patterns.push(idx); }
+        if focused_symbol == Some('&') {
+            focused_patterns.push(idx);
+        }
     }
     if has('|') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w} | nil")));
-        if focused_symbol == Some('|') { focused_patterns.push(idx); }
+        if focused_symbol == Some('|') {
+            focused_patterns.push(idx);
+        }
     }
     if has('!') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("!{w}")));
-        if focused_symbol == Some('!') { focused_patterns.push(idx); }
+        if focused_symbol == Some('!') {
+            focused_patterns.push(idx);
+        }
     }
 
     // Special patterns
@@ -141,31 +167,41 @@ fn generate_code_expr(
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("@{w}")));
-        if focused_symbol == Some('@') { focused_patterns.push(idx); }
+        if focused_symbol == Some('@') {
+            focused_patterns.push(idx);
+        }
     }
     if has('#') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("#{w}")));
-        if focused_symbol == Some('#') { focused_patterns.push(idx); }
+        if focused_symbol == Some('#') {
+            focused_patterns.push(idx);
+        }
     }
     if has('_') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("{w}_val")));
-        if focused_symbol == Some('_') { focused_patterns.push(idx); }
+        if focused_symbol == Some('_') {
+            focused_patterns.push(idx);
+        }
     }
     if has('$') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("${w}")));
-        if focused_symbol == Some('$') { focused_patterns.push(idx); }
+        if focused_symbol == Some('$') {
+            focused_patterns.push(idx);
+        }
     }
     if has('\\') {
         let w = word.to_string();
         let idx = patterns.len();
         patterns.push(Box::new(move |_| format!("\\{w}")));
-        if focused_symbol == Some('\\') { focused_patterns.push(idx); }
+        if focused_symbol == Some('\\') {
+            focused_patterns.push(idx);
+        }
     }
 
     if patterns.is_empty() {
diff --git a/src/generator/code_syntax.rs b/src/generator/code_syntax.rs
index 66c0204..4b4c26f 100644
--- a/src/generator/code_syntax.rs
+++ b/src/generator/code_syntax.rs
@@ -1,9 +1,9 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 use crate::engine::filter::CharFilter;
-use crate::generator::cache::{DiskCache, fetch_url};
 use crate::generator::TextGenerator;
+use crate::generator::cache::{DiskCache, fetch_url};
 
 pub struct CodeSyntaxGenerator {
     rng: SmallRng,
@@ -49,9 +49,7 @@ impl CodeSyntaxGenerator {
                 "https://raw.githubusercontent.com/lodash/lodash/main/src/chunk.ts",
                 "https://raw.githubusercontent.com/expressjs/express/master/lib/router/index.js",
             ],
-            "go" => vec![
-                "https://raw.githubusercontent.com/golang/go/master/src/fmt/print.go",
-            ],
+            "go" => vec!["https://raw.githubusercontent.com/golang/go/master/src/fmt/print.go"],
             _ => vec![],
         };
 
diff --git a/src/generator/dictionary.rs b/src/generator/dictionary.rs
index 303a7e8..89de0e5 100644
--- a/src/generator/dictionary.rs
+++ b/src/generator/dictionary.rs
@@ -23,11 +23,7 @@ impl Dictionary {
         self.words.clone()
     }
 
-    pub fn find_matching(
-        &self,
-        filter: &CharFilter,
-        focused: Option<char>,
-    ) -> Vec<&str> {
+    pub fn find_matching(&self, filter: &CharFilter, focused: Option<char>) -> Vec<&str> {
         let mut matching: Vec<&str> = self
             .words
             .iter()
diff --git a/src/generator/mod.rs b/src/generator/mod.rs
index d155b48..6f2d97b 100644
--- a/src/generator/mod.rs
+++ b/src/generator/mod.rs
@@ -14,5 +14,5 @@ use crate::engine::filter::CharFilter;
 
 pub trait TextGenerator {
     fn generate(&mut self, filter: &CharFilter, focused: Option<char>, word_count: usize)
-        -> String;
+    -> String;
 }
diff --git a/src/generator/numbers.rs b/src/generator/numbers.rs
index 4f02b5f..8237a94 100644
--- a/src/generator/numbers.rs
+++ b/src/generator/numbers.rs
@@ -1,5 +1,5 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 /// Post-processing pass that inserts number expressions into text.
 /// Only uses digits from `unlocked_digits`.
@@ -127,6 +127,9 @@ mod tests {
         let digits = ['1', '2', '3', '4', '5'];
         let text = "a b c d e f g h i j k l m n o p q r s t";
         let result = apply_numbers(text, &digits, false, None, &mut rng);
-        assert!(!result.contains('.'), "Should not contain dot when has_dot=false: {result}");
+        assert!(
+            !result.contains('.'),
+            "Should not contain dot when has_dot=false: {result}"
+        );
     }
 }
diff --git a/src/generator/passage.rs b/src/generator/passage.rs
index a0acabd..5b87f4e 100644
--- a/src/generator/passage.rs
+++ b/src/generator/passage.rs
@@ -1,9 +1,9 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 use crate::engine::filter::CharFilter;
-use crate::generator::cache::{DiskCache, fetch_url};
 use crate::generator::TextGenerator;
+use crate::generator::cache::{DiskCache, fetch_url};
 
 const PASSAGES: &[&str] = &[
     // Classic literature & speeches
@@ -217,7 +217,9 @@ fn extract_paragraphs(text: &str) -> Vec<String> {
             .collect::<Vec<_>>()
             .join(" ")
             .chars()
-            .filter(|c| c.is_ascii_alphanumeric() || c.is_ascii_whitespace() || c.is_ascii_punctuation())
+            .filter(|c| {
+                c.is_ascii_alphanumeric() || c.is_ascii_whitespace() || c.is_ascii_punctuation()
+            })
             .collect::<String>()
             .to_lowercase();
 
diff --git a/src/generator/phonetic.rs b/src/generator/phonetic.rs
index a062132..b15d0ed 100644
--- a/src/generator/phonetic.rs
+++ b/src/generator/phonetic.rs
@@ -1,10 +1,10 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 use crate::engine::filter::CharFilter;
+use crate::generator::TextGenerator;
 use crate::generator::dictionary::Dictionary;
 use crate::generator::transition_table::TransitionTable;
-use crate::generator::TextGenerator;
 
 const MIN_WORD_LEN: usize = 3;
 const MAX_WORD_LEN: usize = 10;
@@ -149,7 +149,8 @@ impl PhoneticGenerator {
                     if space_weight > 0.0 {
                         let boost = 1.3f64.powi(word.len() as i32 - MIN_WORD_LEN as i32);
                         let total: f64 = probs.iter().map(|(_, w)| w).sum();
-                        let space_prob = (space_weight * boost) / (total + space_weight * (boost - 1.0));
+                        let space_prob =
+                            (space_weight * boost) / (total + space_weight * (boost - 1.0));
                         if self.rng.gen_bool(space_prob.min(0.85)) {
                             break;
                         }
@@ -164,11 +165,8 @@ impl PhoneticGenerator {
 
             // Get next character from transition table
             if let Some(probs) = self.table.segment(&prefix) {
-                let non_space: Vec<(char, f64)> = probs
-                    .iter()
-                    .filter(|(ch, _)| *ch != ' ')
-                    .copied()
-                    .collect();
+                let non_space: Vec<(char, f64)> =
+                    probs.iter().filter(|(ch, _)| *ch != ' ').copied().collect();
                 if let Some(next) = Self::pick_weighted_from(&mut self.rng, &non_space, filter) {
                     word.push(next);
                 } else {
diff --git a/src/generator/punctuate.rs b/src/generator/punctuate.rs
index 54e096e..e8486c8 100644
--- a/src/generator/punctuate.rs
+++ b/src/generator/punctuate.rs
@@ -1,5 +1,5 @@
-use rand::rngs::SmallRng;
 use rand::Rng;
+use rand::rngs::SmallRng;
 
 /// Post-processing pass that inserts punctuation into generated text.
 /// Only uses punctuation chars from `unlocked_punct`.
@@ -41,25 +41,41 @@ pub fn apply_punctuation(
         let mut w = word.to_string();
 
         // Contractions (~8% of words, boosted if apostrophe is focused)
-        let apostrophe_prob = if focused_punct == Some('\'') { 0.30 } else { 0.08 };
+        let apostrophe_prob = if focused_punct == Some('\'') {
+            0.30
+        } else {
+            0.08
+        };
         if has_apostrophe && w.len() >= 3 && rng.gen_bool(apostrophe_prob) {
             w = make_contraction(&w, rng);
         }
 
         // Compound words with dash (~5% of words, boosted if dash is focused)
-        let dash_prob = if focused_punct == Some('-') { 0.25 } else { 0.05 };
+        let dash_prob = if focused_punct == Some('-') {
+            0.25
+        } else {
+            0.05
+        };
         if has_dash && i + 1 < words.len() && rng.gen_bool(dash_prob) {
             w.push('-');
         }
 
         // Sentence ending punctuation
         words_since_period += 1;
-        let end_sentence = words_since_period >= 8 && rng.gen_bool(0.15)
-            || words_since_period >= 12;
+        let end_sentence =
+            words_since_period >= 8 && rng.gen_bool(0.15) || words_since_period >= 12;
 
         if end_sentence && i < words.len() - 1 {
-            let q_prob = if focused_punct == Some('?') { 0.40 } else { 0.15 };
-            let excl_prob = if focused_punct == Some('!') { 0.40 } else { 0.10 };
+            let q_prob = if focused_punct == Some('?') {
+                0.40
+            } else {
+                0.15
+            };
+            let excl_prob = if focused_punct == Some('!') {
+                0.40
+            } else {
+                0.10
+            };
             if has_question && rng.gen_bool(q_prob) {
                 w.push('?');
             } else if has_exclaim && rng.gen_bool(excl_prob) {
@@ -72,34 +88,62 @@ pub fn apply_punctuation(
         } else {
             // Comma after clause (~every 4-6 words)
             words_since_comma += 1;
-            let comma_prob = if focused_punct == Some(',') { 0.40 } else { 0.20 };
-            if has_comma && words_since_comma >= 4 && rng.gen_bool(comma_prob) && i < words.len() - 1 {
+            let comma_prob = if focused_punct == Some(',') {
+                0.40
+            } else {
+                0.20
+            };
+            if has_comma
+                && words_since_comma >= 4
+                && rng.gen_bool(comma_prob)
+                && i < words.len() - 1
+            {
                 w.push(',');
                 words_since_comma = 0;
             }
 
             // Semicolon between clauses (rare, boosted if focused)
-            let semi_prob = if focused_punct == Some(';') { 0.25 } else { 0.05 };
-            if has_semicolon && words_since_comma >= 5 && rng.gen_bool(semi_prob) && i < words.len() - 1 {
+            let semi_prob = if focused_punct == Some(';') {
+                0.25
+            } else {
+                0.05
+            };
+            if has_semicolon
+                && words_since_comma >= 5
+                && rng.gen_bool(semi_prob)
+                && i < words.len() - 1
+            {
                 w.push(';');
                 words_since_comma = 0;
             }
 
             // Colon before list-like content (rare, boosted if focused)
-            let colon_prob = if focused_punct == Some(':') { 0.20 } else { 0.03 };
+            let colon_prob = if focused_punct == Some(':') {
+                0.20
+            } else {
+                0.03
+            };
             if has_colon && rng.gen_bool(colon_prob) && i < words.len() - 1 {
                 w.push(':');
             }
         }
 
         // Quoted phrases (~5% chance to start a quote, boosted if focused)
-        let quote_prob = if focused_punct == Some('"') { 0.20 } else { 0.04 };
+        let quote_prob = if focused_punct == Some('"') {
+            0.20
+        } else {
+            0.04
+        };
         if has_quote && rng.gen_bool(quote_prob) && i + 2 < words.len() {
             w = format!("\"{w}");
         }
 
         // Parenthetical asides (rare, boosted if focused)
-        let paren_prob = if matches!(focused_punct, Some('(' | ')')) { 0.15 } else { 0.03 };
+        let paren_prob = if matches!(focused_punct, Some('(' | ')')) {
+            0.15
+        } else {
+            0.03
+        };
         if has_open_paren && has_close_paren && rng.gen_bool(paren_prob) && i + 2 < words.len() {
             w = format!("({w}");
         }
@@ -122,9 +166,15 @@ pub fn apply_punctuation(
     let mut open_parens = 0i32;
     for w in &result {
         for ch in w.chars() {
-            if ch == '"' { open_quotes += 1; }
-            if ch == '(' { open_parens += 1; }
-            if ch == ')' { open_parens -= 1; }
+            if ch == '"' {
+                open_quotes += 1;
+            }
+            if ch == '(' {
+                open_parens += 1;
+            }
+            if ch == ')' {
+                open_parens -= 1;
+            }
         }
     }
     if let Some(last) = result.last_mut() {
diff --git a/src/generator/transition_table.rs b/src/generator/transition_table.rs
index e6f059c..f5edbe6 100644
--- a/src/generator/transition_table.rs
+++ b/src/generator/transition_table.rs
@@ -108,24 +108,94 @@ impl TransitionTable {
         let mut table = Self::new(4);
 
         let common_patterns: &[(&str, f64)] = &[
-            ("the", 10.0), ("and", 8.0), ("ing", 7.0), ("tion", 6.0), ("ent", 5.0),
-            ("ion", 5.0), ("her", 4.0), ("for", 4.0), ("are", 4.0), ("his", 4.0),
-            ("hat", 3.0), ("tha", 3.0), ("ere", 3.0), ("ate", 3.0), ("ith", 3.0),
-            ("ver", 3.0), ("all", 3.0), ("not", 3.0), ("ess", 3.0), ("est", 3.0),
-            ("rea", 3.0), ("sta", 3.0), ("ted", 3.0), ("com", 3.0), ("con", 3.0),
-            ("oun", 2.5), ("pro", 2.5), ("oth", 2.5), ("igh", 2.5), ("ore", 2.5),
-            ("our", 2.5), ("ine", 2.5), ("ove", 2.5), ("ome", 2.5), ("use", 2.5),
-            ("ble", 2.0), ("ful", 2.0), ("ous", 2.0), ("str", 2.0), ("tri", 2.0),
-            ("ght", 2.0), ("whi", 2.0), ("who", 2.0), ("hen", 2.0), ("ter", 2.0),
-            ("man", 2.0), ("men", 2.0), ("ner", 2.0), ("per", 2.0), ("pre", 2.0),
-            ("ran", 2.0), ("lin", 2.0), ("kin", 2.0), ("din", 2.0), ("sin", 2.0),
-            ("out", 2.0), ("ind", 2.0), ("ber", 2.0), ("der", 2.0),
-            ("end", 2.0), ("hin", 2.0), ("old", 2.0), ("ear", 2.0), ("ain", 2.0),
-            ("ant", 2.0), ("urn", 2.0), ("ell", 2.0), ("ill", 2.0), ("ade", 2.0),
-            ("ong", 2.0), ("ung", 2.0), ("ast", 2.0), ("ist", 2.0),
-            ("ust", 2.0), ("ost", 2.0), ("ard", 2.0), ("ord", 2.0), ("art", 2.0),
-            ("ort", 2.0), ("ect", 2.0), ("act", 2.0), ("ack", 2.0), ("ick", 2.0),
-            ("ock", 2.0), ("uck", 2.0), ("ash", 2.0), ("ish", 2.0), ("ush", 2.0),
+            ("the", 10.0),
+            ("and", 8.0),
+            ("ing", 7.0),
+            ("tion", 6.0),
+            ("ent", 5.0),
+            ("ion", 5.0),
+            ("her", 4.0),
+            ("for", 4.0),
+            ("are", 4.0),
+            ("his", 4.0),
+            ("hat", 3.0),
+            ("tha", 3.0),
+            ("ere", 3.0),
+            ("ate", 3.0),
+            ("ith", 3.0),
+            ("ver", 3.0),
+            ("all", 3.0),
+            ("not", 3.0),
+            ("ess", 3.0),
+            ("est", 3.0),
+            ("rea", 3.0),
+            ("sta", 3.0),
+            ("ted", 3.0),
+            ("com", 3.0),
+            ("con", 3.0),
+            ("oun", 2.5),
+            ("pro", 2.5),
+            ("oth", 2.5),
+            ("igh", 2.5),
+            ("ore", 2.5),
+            ("our", 2.5),
+            ("ine", 2.5),
+            ("ove", 2.5),
+            ("ome", 2.5),
+            ("use", 2.5),
+            ("ble", 2.0),
+            ("ful", 2.0),
+            ("ous", 2.0),
+            ("str", 2.0),
+            ("tri", 2.0),
+            ("ght", 2.0),
+            ("whi", 2.0),
+            ("who", 2.0),
+            ("hen", 2.0),
+            ("ter", 2.0),
+            ("man", 2.0),
+            ("men", 2.0),
+            ("ner", 2.0),
+            ("per", 2.0),
+            ("pre", 2.0),
+            ("ran", 2.0),
+            ("lin", 2.0),
+            ("kin", 2.0),
+            ("din", 2.0),
+            ("sin", 2.0),
+            ("out", 2.0),
+            ("ind", 2.0),
+            ("ber", 2.0),
+            ("der", 2.0),
+            ("end", 2.0),
+            ("hin", 2.0),
+            ("old", 2.0),
+            ("ear", 2.0),
+            ("ain", 2.0),
+            ("ant", 2.0),
+            ("urn", 2.0),
+            ("ell", 2.0),
+            ("ill", 2.0),
+            ("ade", 2.0),
+            ("ong", 2.0),
+            ("ung", 2.0),
+            ("ast", 2.0),
+            ("ist", 2.0),
+            ("ust", 2.0),
+            ("ost", 2.0),
+            ("ard", 2.0),
+            ("ord", 2.0),
+            ("art", 2.0),
+            ("ort", 2.0),
+            ("ect", 2.0),
+            ("act", 2.0),
+            ("ack", 2.0),
+            ("ick", 2.0),
+            ("ock", 2.0),
+            ("uck", 2.0),
+            ("ash", 2.0),
+            ("ish", 2.0),
+            ("ush", 2.0),
         ];
 
         for &(pattern, weight) in common_patterns {
@@ -142,8 +212,8 @@ impl TransitionTable {
 
         let vowels = ['a', 'e', 'i', 'o', 'u'];
         let consonants = [
-            'b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'r', 's', 't', 'v',
-            'w', 'x', 'y', 'z',
+            'b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'r', 's', 't', 'v', 'w',
+            'x', 'y', 'z',
         ];
 
         for &c in &consonants {
diff --git a/src/main.rs b/src/main.rs
index 95bba0a..070aca8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -21,28 +21,32 @@ use crossterm::execute;
 use crossterm::terminal::{
     EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode, enable_raw_mode,
 };
+use ratatui::Terminal;
 use ratatui::backend::CrosstermBackend;
 use ratatui::layout::{Constraint, Direction, Layout};
 use ratatui::style::{Modifier, Style};
 use ratatui::text::{Line, Span};
 use ratatui::widgets::{Block, Paragraph, Widget};
-use ratatui::Terminal;
 
 use app::{App, AppScreen, DrillMode};
 use engine::skill_tree::DrillScope;
-use session::result::DrillResult;
-use ui::components::skill_tree::{SkillTreeWidget, selectable_branches};
 use event::{AppEvent, EventHandler};
+use session::result::DrillResult;
 use ui::components::dashboard::Dashboard;
 use ui::components::keyboard_diagram::KeyboardDiagram;
 use ui::components::progress_bar::ProgressBar;
+use ui::components::skill_tree::{SkillTreeWidget, selectable_branches};
 use ui::components::stats_dashboard::StatsDashboard;
 use ui::components::stats_sidebar::StatsSidebar;
 use ui::components::typing_area::TypingArea;
 use ui::layout::AppLayout;
 
 #[derive(Parser)]
-#[command(name = "keydr", version, about = "Terminal typing tutor with adaptive learning")]
+#[command(
+    name = "keydr",
+    version,
+    about = "Terminal typing tutor with adaptive learning"
+)]
 struct Cli {
     #[arg(short, long, help = "Theme name")]
     theme: Option<String>,
@@ -237,7 +241,12 @@ fn handle_drill_key(app: &mut App, key: KeyEvent) {
             if has_progress && app.drill_mode != DrillMode::Adaptive {
                 // Non-adaptive: show result screen for partial drill
                 if let Some(ref drill) = app.drill {
-                    let result = DrillResult::from_drill(drill, &app.drill_events, app.drill_mode.as_str(), app.drill_mode.is_ranked());
+                    let result = DrillResult::from_drill(
+                        drill,
+                        &app.drill_events,
+                        app.drill_mode.as_str(),
+                        app.drill_mode.is_ranked(),
+                    );
                     app.last_result = Some(result);
                 }
                 app.screen = AppScreen::DrillResult;
@@ -283,8 +292,7 @@ fn handle_stats_key(app: &mut App, key: KeyEvent) {
             KeyCode::Char('j') | KeyCode::Down => {
                 if !app.drill_history.is_empty() {
                     let max_visible = app.drill_history.len().min(20) - 1;
-                    app.history_selected =
-                        (app.history_selected + 1).min(max_visible);
+                    app.history_selected = (app.history_selected + 1).min(max_visible);
                 }
             }
             KeyCode::Char('k') | KeyCode::Up => {
@@ -300,7 +308,11 @@ fn handle_stats_key(app: &mut App, key: KeyEvent) {
             KeyCode::Char('3') => app.stats_tab = 2,
             KeyCode::Tab => app.stats_tab = (app.stats_tab + 1) % 3,
             KeyCode::BackTab => {
-                app.stats_tab = if app.stats_tab == 0 { 2 } else { app.stats_tab - 1 }
+                app.stats_tab = if app.stats_tab == 0 {
+                    2
+                } else {
+                    app.stats_tab - 1
+                }
             }
             _ => {}
         }
@@ -313,7 +325,13 @@ fn handle_stats_key(app: &mut App, key: KeyEvent) {
         KeyCode::Char('2') => app.stats_tab = 1,
         KeyCode::Char('3') => app.stats_tab = 2,
         KeyCode::Tab => app.stats_tab = (app.stats_tab + 1) % 3,
-        KeyCode::BackTab => app.stats_tab = if app.stats_tab == 0 { 2 } else { app.stats_tab - 1 },
+        KeyCode::BackTab => {
+            app.stats_tab = if app.stats_tab == 0 {
+                2
+            } else {
+                app.stats_tab - 1
+            }
+        }
         _ => {}
     }
 }
@@ -461,9 +479,8 @@ fn render_drill(frame: &mut ratatui::Frame, app: &App) {
             let wpm = drill.wpm();
             let accuracy = drill.accuracy();
             let errors = drill.typo_count();
-            let header_text = format!(
-                " {mode_name} | WPM: {wpm:.0} | Acc: {accuracy:.1}% | Errors: {errors}"
-            );
+            let header_text =
+                format!(" {mode_name} | WPM: {wpm:.0} | Acc: {accuracy:.1}% | Errors: {errors}");
             let header = Paragraph::new(Line::from(Span::styled(
                 &*header_text,
                 Style::default()
@@ -525,11 +542,7 @@ fn render_drill(frame: &mut ratatui::Frame, app: &App) {
             let unlocked = app.skill_tree.total_unlocked_count() as f64;
             let total = app.skill_tree.total_unique_keys as f64;
             let progress_val = (unlocked / total).min(1.0);
-            let progress = ProgressBar::new(
-                "Key Progress",
-                progress_val,
-                app.theme,
-            );
+            let progress = ProgressBar::new("Key Progress", progress_val, app.theme);
             frame.render_widget(progress, main_layout[idx]);
             idx += 1;
         }
@@ -550,7 +563,12 @@ fn render_drill(frame: &mut ratatui::Frame, app: &App) {
         }
 
         if let Some(sidebar_area) = app_layout.sidebar {
-            let sidebar = StatsSidebar::new(drill, app.last_result.as_ref(), &app.drill_history, app.theme);
+            let sidebar = StatsSidebar::new(
+                drill,
+                app.last_result.as_ref(),
+                &app.drill_history,
+                app.theme,
+            );
             frame.render_widget(sidebar, sidebar_area);
         }
 
@@ -609,9 +627,15 @@ fn render_settings(frame: &mut ratatui::Frame, app: &App) {
         .unwrap_or("rust");
 
     let fields: Vec<(String, String)> = vec![
-        ("Target WPM".to_string(), format!("{}", app.config.target_wpm)),
+        (
+            "Target WPM".to_string(),
+            format!("{}", app.config.target_wpm),
+        ),
         ("Theme".to_string(), app.config.theme.clone()),
-        ("Word Count".to_string(), format!("{}", app.config.word_count)),
+        (
+            "Word Count".to_string(),
+            format!("{}", app.config.word_count),
+        ),
         ("Code Language".to_string(), current_lang.to_string()),
     ];
 
@@ -633,7 +657,12 @@ fn render_settings(frame: &mut ratatui::Frame, app: &App) {
 
     let field_layout = Layout::default()
         .direction(Direction::Vertical)
-        .constraints(fields.iter().map(|_| Constraint::Length(3)).collect::<Vec<_>>())
+        .constraints(
+            fields
+                .iter()
+                .map(|_| Constraint::Length(3))
+                .collect::<Vec<_>>(),
+        )
         .split(layout[1]);
 
     for (i, (label, value)) in fields.iter().enumerate() {
@@ -643,11 +672,17 @@ fn render_settings(frame: &mut ratatui::Frame, app: &App) {
         let label_text = format!("{indicator}{label}:");
         let value_text = format!("  < {value} >");
 
-        let label_style = Style::default().fg(if is_selected {
-            colors.accent()
-        } else {
-            colors.fg()
-        }).add_modifier(if is_selected { Modifier::BOLD } else { Modifier::empty() });
+        let label_style = Style::default()
+            .fg(if is_selected {
+                colors.accent()
+            } else {
+                colors.fg()
+            })
+            .add_modifier(if is_selected {
+                Modifier::BOLD
+            } else {
+                Modifier::empty()
+            });
 
         let value_style = Style::default().fg(if is_selected {
             colors.focused_key()
diff --git a/src/session/mod.rs b/src/session/mod.rs
index 2ea5241..1459c55 100644
--- a/src/session/mod.rs
+++ b/src/session/mod.rs
@@ -1,3 +1,3 @@
-pub mod input;
 pub mod drill;
+pub mod input;
 pub mod result;
diff --git a/src/session/result.rs b/src/session/result.rs
index de51559..4b17cd4 100644
--- a/src/session/result.rs
+++ b/src/session/result.rs
@@ -1,8 +1,8 @@
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 
-use crate::session::input::KeystrokeEvent;
 use crate::session::drill::DrillState;
+use crate::session::input::KeystrokeEvent;
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct DrillResult {
@@ -37,7 +37,12 @@ pub struct KeyTime {
 }
 
 impl DrillResult {
-    pub fn from_drill(drill: &DrillState, events: &[KeystrokeEvent], drill_mode: &str, ranked: bool) -> Self {
+    pub fn from_drill(
+        drill: &DrillState,
+        events: &[KeystrokeEvent],
+        drill_mode: &str,
+        ranked: bool,
+    ) -> Self {
         let per_key_times: Vec<KeyTime> = events
             .windows(2)
             .map(|pair| {
diff --git a/src/store/json_store.rs b/src/store/json_store.rs
index ce974da..486ac0a 100644
--- a/src/store/json_store.rs
+++ b/src/store/json_store.rs
@@ -3,9 +3,9 @@ use std::io::Write;
 use std::path::PathBuf;
 
 use anyhow::Result;
-use serde::{de::DeserializeOwned, Serialize};
+use serde::{Serialize, de::DeserializeOwned};
 
-use crate::store::schema::{KeyStatsData, DrillHistoryData, ProfileData};
+use crate::store::schema::{DrillHistoryData, KeyStatsData, ProfileData};
 
 pub struct JsonStore {
     base_dir: PathBuf,
diff --git a/src/ui/components/activity_heatmap.rs b/src/ui/components/activity_heatmap.rs
index ecc87cb..13d81f9 100644
--- a/src/ui/components/activity_heatmap.rs
+++ b/src/ui/components/activity_heatmap.rs
@@ -47,8 +47,8 @@ impl Widget for ActivityHeatmap<'_> {
         let weeks_to_show = weeks_to_show.min(26);
         let start_date = today - chrono::Duration::weeks(weeks_to_show as i64);
         // Align to Monday
-        let start_date = start_date
-            - chrono::Duration::days(start_date.weekday().num_days_from_monday() as i64);
+        let start_date =
+            start_date - chrono::Duration::days(start_date.weekday().num_days_from_monday() as i64);
 
         // Day-of-week labels
         let day_labels = ["M", " ", "W", " ", "F", " ", "S"];
diff --git a/src/ui/components/dashboard.rs b/src/ui/components/dashboard.rs
index eccdca0..083ba12 100644
--- a/src/ui/components/dashboard.rs
+++ b/src/ui/components/dashboard.rs
@@ -54,8 +54,7 @@ impl Widget for Dashboard<'_> {
                 Style::default().fg(colors.text_pending()),
             ));
         }
-        let title = Paragraph::new(Line::from(title_spans))
-            .alignment(Alignment::Center);
+        let title = Paragraph::new(Line::from(title_spans)).alignment(Alignment::Center);
         title.render(layout[0], buf);
 
         let wpm_text = format!("{:.0} WPM", self.result.wpm);
diff --git a/src/ui/components/keyboard_diagram.rs b/src/ui/components/keyboard_diagram.rs
index 5410cc7..a42a3d5 100644
--- a/src/ui/components/keyboard_diagram.rs
+++ b/src/ui/components/keyboard_diagram.rs
@@ -91,11 +91,7 @@ impl Widget for KeyboardDiagram<'_> {
             return;
         }
 
-        let offsets: &[u16] = if self.compact {
-            &[0, 1, 3]
-        } else {
-            &[1, 3, 5]
-        };
+        let offsets: &[u16] = if self.compact { &[0, 1, 3] } else { &[1, 3, 5] };
 
         for (row_idx, row) in ROWS.iter().enumerate() {
             let y = inner.y + row_idx as u16;
@@ -128,21 +124,13 @@ impl Widget for KeyboardDiagram<'_> {
                         .bg(bg)
                         .add_modifier(Modifier::BOLD)
                 } else if is_next {
-                    Style::default()
-                        .fg(colors.bg())
-                        .bg(colors.accent())
+                    Style::default().fg(colors.bg()).bg(colors.accent())
                 } else if is_focused {
-                    Style::default()
-                        .fg(colors.bg())
-                        .bg(colors.focused_key())
+                    Style::default().fg(colors.bg()).bg(colors.focused_key())
                 } else if is_unlocked {
-                    Style::default()
-                        .fg(colors.fg())
-                        .bg(finger_color(key))
+                    Style::default().fg(colors.fg()).bg(finger_color(key))
                 } else {
-                    Style::default()
-                        .fg(colors.text_pending())
-                        .bg(colors.bg())
+                    Style::default().fg(colors.text_pending()).bg(colors.bg())
                 };
 
                 let display = if self.compact {
diff --git a/src/ui/components/menu.rs b/src/ui/components/menu.rs
index f162e0c..009325f 100644
--- a/src/ui/components/menu.rs
+++ b/src/ui/components/menu.rs
@@ -117,13 +117,29 @@ impl Widget for &Menu<'_> {
                     .collect::<Vec<_>>(),
             )
             .split(layout[2]);
+        let key_width = self
+            .items
+            .iter()
+            .map(|item| item.key.len())
+            .max()
+            .unwrap_or(1);
 
         for (i, item) in self.items.iter().enumerate() {
             let is_selected = i == self.selected;
             let indicator = if is_selected { ">" } else { " " };
 
-            let label_text = format!(" {indicator} [{key}] {label}", key = item.key, label = item.label);
-            let desc_text = format!("     {}", item.description);
+            let label_text = format!(
+                " {indicator} [{key:<key_width$}] {label}",
+                key = item.key,
+                key_width = key_width,
+                label = item.label
+            );
+            let desc_text = format!(
+                "   {:indent$}{}",
+                "",
+                item.description,
+                indent = key_width + 4
+            );
 
             let lines = vec![
                 Line::from(Span::styled(
diff --git a/src/ui/components/skill_tree.rs b/src/ui/components/skill_tree.rs
index 3ce7934..99bdfe0 100644
--- a/src/ui/components/skill_tree.rs
+++ b/src/ui/components/skill_tree.rs
@@ -6,8 +6,7 @@ use ratatui::widgets::{Block, Paragraph, Widget};
 
 use crate::engine::key_stats::KeyStatsStore;
 use crate::engine::skill_tree::{
-    BranchId, BranchStatus, DrillScope, SkillTree as SkillTreeEngine,
-    get_branch_definition,
+    BranchId, BranchStatus, DrillScope, SkillTree as SkillTreeEngine, get_branch_definition,
 };
 use crate::ui::theme::Theme;
 
@@ -88,7 +87,8 @@ impl Widget for SkillTreeWidget<'_> {
             let bp = self.skill_tree.branch_progress(branches[self.selected]);
             if *self.skill_tree.branch_status(branches[self.selected]) == BranchStatus::Locked {
                 " Complete a-z to unlock branches "
-            } else if bp.status == BranchStatus::Available || bp.status == BranchStatus::InProgress {
+            } else if bp.status == BranchStatus::Available || bp.status == BranchStatus::InProgress
+            {
                 " [Enter] Start Drill   [\u{2191}\u{2193}/jk] Navigate   [q] Back "
             } else {
                 " [\u{2191}\u{2193}/jk] Navigate   [q] Back "
@@ -113,22 +113,29 @@ impl SkillTreeWidget<'_> {
         // Root: Lowercase a-z
         let lowercase_bp = self.skill_tree.branch_progress(BranchId::Lowercase);
         let lowercase_def = get_branch_definition(BranchId::Lowercase);
-        let lowercase_total = lowercase_def.levels.iter().map(|l| l.keys.len()).sum::<usize>();
-        let lowercase_confident = self.skill_tree.branch_confident_keys(BranchId::Lowercase, self.key_stats);
+        let lowercase_total = lowercase_def
+            .levels
+            .iter()
+            .map(|l| l.keys.len())
+            .sum::<usize>();
+        let lowercase_confident = self
+            .skill_tree
+            .branch_confident_keys(BranchId::Lowercase, self.key_stats);
 
         let (prefix, style) = match lowercase_bp.status {
             BranchStatus::Complete => (
                 "\u{2605} ",
-                Style::default().fg(colors.text_correct()).add_modifier(Modifier::BOLD),
+                Style::default()
+                    .fg(colors.text_correct())
+                    .add_modifier(Modifier::BOLD),
             ),
             BranchStatus::InProgress => (
                 "\u{25b6} ",
-                Style::default().fg(colors.accent()).add_modifier(Modifier::BOLD),
-            ),
-            _ => (
-                "  ",
-                Style::default().fg(colors.text_pending()),
+                Style::default()
+                    .fg(colors.accent())
+                    .add_modifier(Modifier::BOLD),
             ),
+            _ => ("  ", Style::default().fg(colors.text_pending())),
         };
 
         let status_text = match lowercase_bp.status {
@@ -173,43 +180,56 @@ impl SkillTreeWidget<'_> {
             let bp = self.skill_tree.branch_progress(branch_id);
             let def = get_branch_definition(branch_id);
             let total_keys = def.levels.iter().map(|l| l.keys.len()).sum::<usize>();
-            let confident_keys = self.skill_tree.branch_confident_keys(branch_id, self.key_stats);
+            let confident_keys = self
+                .skill_tree
+                .branch_confident_keys(branch_id, self.key_stats);
             let is_selected = i == self.selected;
 
             let (prefix, style) = match bp.status {
                 BranchStatus::Complete => (
                     "\u{2605} ",
                     if is_selected {
-                        Style::default().fg(colors.text_correct()).add_modifier(Modifier::BOLD | Modifier::REVERSED)
+                        Style::default()
+                            .fg(colors.text_correct())
+                            .add_modifier(Modifier::BOLD | Modifier::REVERSED)
                     } else {
-                        Style::default().fg(colors.text_correct()).add_modifier(Modifier::BOLD)
+                        Style::default()
+                            .fg(colors.text_correct())
+                            .add_modifier(Modifier::BOLD)
                     },
                 ),
                 BranchStatus::InProgress => (
                     "\u{25b6} ",
                     if is_selected {
-                        Style::default().fg(colors.accent()).add_modifier(Modifier::BOLD | Modifier::REVERSED)
+                        Style::default()
+                            .fg(colors.accent())
+                            .add_modifier(Modifier::BOLD | Modifier::REVERSED)
                     } else {
-                        Style::default().fg(colors.accent()).add_modifier(Modifier::BOLD)
+                        Style::default()
+                            .fg(colors.accent())
+                            .add_modifier(Modifier::BOLD)
                     },
                 ),
                 BranchStatus::Available => (
                     "  ",
                     if is_selected {
-                        Style::default().fg(colors.fg()).add_modifier(Modifier::BOLD | Modifier::REVERSED)
+                        Style::default()
+                            .fg(colors.fg())
+                            .add_modifier(Modifier::BOLD | Modifier::REVERSED)
                     } else {
                         Style::default().fg(colors.fg())
                     },
                 ),
-                BranchStatus::Locked => (
-                    "  ",
-                    Style::default().fg(colors.text_pending()),
-                ),
+                BranchStatus::Locked => ("  ", Style::default().fg(colors.text_pending())),
             };
 
             let status_text = match bp.status {
                 BranchStatus::Complete => format!("COMPLETE  {confident_keys}/{total_keys} keys"),
-                BranchStatus::InProgress => format!("Lvl {}/{} {confident_keys}/{total_keys} keys", bp.current_level + 1, def.levels.len()),
+                BranchStatus::InProgress => format!(
+                    "Lvl {}/{} {confident_keys}/{total_keys} keys",
+                    bp.current_level + 1,
+                    def.levels.len()
+                ),
                 BranchStatus::Available => format!("Available  0/{total_keys} keys"),
                 BranchStatus::Locked => format!("Locked  0/{total_keys} keys"),
             };
@@ -218,7 +238,10 @@ impl SkillTreeWidget<'_> {
 
             lines.push(Line::from(vec![
                 Span::styled(format!("{sel_indicator}{prefix}{}", def.name), style),
-                Span::styled(format!("  {status_text}"), Style::default().fg(colors.text_pending())),
+                Span::styled(
+                    format!("  {status_text}"),
+                    Style::default().fg(colors.text_pending()),
+                ),
             ]));
 
             let pct = if total_keys > 0 {
@@ -251,14 +274,18 @@ impl SkillTreeWidget<'_> {
 
         // Branch title with level info
         let level_text = match bp.status {
-            BranchStatus::InProgress => format!("Level {}/{}", bp.current_level + 1, def.levels.len()),
+            BranchStatus::InProgress => {
+                format!("Level {}/{}", bp.current_level + 1, def.levels.len())
+            }
             BranchStatus::Complete => format!("Level {}/{}", def.levels.len(), def.levels.len()),
             _ => format!("Level 0/{}", def.levels.len()),
         };
         lines.push(Line::from(vec![
             Span::styled(
                 format!("  {}", def.name),
-                Style::default().fg(colors.accent()).add_modifier(Modifier::BOLD),
+                Style::default()
+                    .fg(colors.accent())
+                    .add_modifier(Modifier::BOLD),
             ),
             Span::styled(
                 format!("  {level_text}"),
@@ -267,16 +294,19 @@ impl SkillTreeWidget<'_> {
         ]));
 
         // Per-level key breakdown
-        let focused = self.skill_tree.focused_key(DrillScope::Branch(branch_id), self.key_stats);
+        let focused = self
+            .skill_tree
+            .focused_key(DrillScope::Branch(branch_id), self.key_stats);
 
         for (level_idx, level) in def.levels.iter().enumerate() {
-            let level_status = if bp.status == BranchStatus::Complete || level_idx < bp.current_level {
-                "complete"
-            } else if bp.status == BranchStatus::InProgress && level_idx == bp.current_level {
-                "in progress"
-            } else {
-                "locked"
-            };
+            let level_status =
+                if bp.status == BranchStatus::Complete || level_idx < bp.current_level {
+                    "complete"
+                } else if bp.status == BranchStatus::InProgress && level_idx == bp.current_level {
+                    "in progress"
+                } else {
+                    "locked"
+                };
 
             let mut key_spans: Vec<Span> = Vec::new();
             key_spans.push(Span::styled(
@@ -324,7 +354,9 @@ impl SkillTreeWidget<'_> {
         // Average confidence
         let total_keys = def.levels.iter().map(|l| l.keys.len()).sum::<usize>();
         let avg_conf = if total_keys > 0 {
-            let sum: f64 = def.levels.iter()
+            let sum: f64 = def
+                .levels
+                .iter()
                 .flat_map(|l| l.keys.iter())
                 .map(|&ch| self.key_stats.get_confidence(ch).min(1.0))
                 .sum();
@@ -334,7 +366,11 @@ impl SkillTreeWidget<'_> {
         };
 
         lines.push(Line::from(Span::styled(
-            format!("  Avg Confidence: {} {:.0}%", progress_bar_str(avg_conf, 20), avg_conf * 100.0),
+            format!(
+                "  Avg Confidence: {} {:.0}%",
+                progress_bar_str(avg_conf, 20),
+                avg_conf * 100.0
+            ),
             Style::default().fg(colors.text_pending()),
         )));
 
@@ -346,9 +382,5 @@ impl SkillTreeWidget<'_> {
 fn progress_bar_str(pct: f64, width: usize) -> String {
     let filled = (pct * width as f64).round() as usize;
     let empty = width.saturating_sub(filled);
-    format!(
-        "{}{}",
-        "\u{2588}".repeat(filled),
-        "\u{2591}".repeat(empty),
-    )
+    format!("{}{}", "\u{2588}".repeat(filled), "\u{2591}".repeat(empty),)
 }
diff --git a/src/ui/components/stats_dashboard.rs b/src/ui/components/stats_dashboard.rs
index 326c63c..322a10b 100644
--- a/src/ui/components/stats_dashboard.rs
+++ b/src/ui/components/stats_dashboard.rs
@@ -83,10 +83,7 @@ impl Widget for StatsDashboard<'_> {
                 } else {
                     Style::default().fg(colors.text_pending())
                 };
-                vec![
-                    Span::styled(format!(" {label} "), style),
-                    Span::raw("  "),
-                ]
+                vec![Span::styled(format!(" {label} "), style), Span::raw("  ")]
             })
             .collect();
         Paragraph::new(Line::from(tab_spans)).render(layout[0], buf);
@@ -168,18 +165,13 @@ impl StatsDashboard<'_> {
             .constraints([
                 Constraint::Length(6), // summary stats bordered box
                 Constraint::Length(3), // progress bars
-                Constraint::Min(8),   // charts
+                Constraint::Min(8),    // charts
             ])
             .split(area);
 
         // Summary stats as bordered table
-        let avg_wpm =
-            self.history.iter().map(|r| r.wpm).sum::<f64>() / self.history.len() as f64;
-        let best_wpm = self
-            .history
-            .iter()
-            .map(|r| r.wpm)
-            .fold(0.0f64, f64::max);
+        let avg_wpm = self.history.iter().map(|r| r.wpm).sum::<f64>() / self.history.len() as f64;
+        let best_wpm = self.history.iter().map(|r| r.wpm).fold(0.0f64, f64::max);
         let avg_accuracy =
             self.history.iter().map(|r| r.accuracy).sum::<f64>() / self.history.len() as f64;
         let total_time: f64 = self.history.iter().map(|r| r.elapsed_secs).sum();
@@ -297,12 +289,27 @@ impl StatsDashboard<'_> {
         // Y-axis labels (max, mid, 0)
         let max_label = format!("{:.0}", max_wpm);
         let mid_label = format!("{:.0}", max_wpm / 2.0);
-        buf.set_string(inner.x, inner.y, &max_label, Style::default().fg(colors.text_pending()));
+        buf.set_string(
+            inner.x,
+            inner.y,
+            &max_label,
+            Style::default().fg(colors.text_pending()),
+        );
         if inner.height > 3 {
             let mid_y = inner.y + inner.height / 2;
-            buf.set_string(inner.x, mid_y, &mid_label, Style::default().fg(colors.text_pending()));
+            buf.set_string(
+                inner.x,
+                mid_y,
+                &mid_label,
+                Style::default().fg(colors.text_pending()),
+            );
         }
-        buf.set_string(inner.x, inner.y + inner.height - 1, "0", Style::default().fg(colors.text_pending()));
+        buf.set_string(
+            inner.x,
+            inner.y + inner.height - 1,
+            "0",
+            Style::default().fg(colors.text_pending()),
+        );
 
         let bar_chars = ['▁', '▂', '▃', '▄', '▅', '▆', '▇', '█'];
 
@@ -342,7 +349,12 @@ impl StatsDashboard<'_> {
             // WPM label on top row
             if bar_spacing >= 3 {
                 let label = format!("{wpm:.0}");
-                buf.set_string(x, inner.y, &label, Style::default().fg(colors.text_pending()));
+                buf.set_string(
+                    x,
+                    inner.y,
+                    &label,
+                    Style::default().fg(colors.text_pending()),
+                );
             }
         }
     }
@@ -412,8 +424,7 @@ impl StatsDashboard<'_> {
             ])
             .split(area);
 
-        let avg_wpm =
-            self.history.iter().map(|r| r.wpm).sum::<f64>() / self.history.len() as f64;
+        let avg_wpm = self.history.iter().map(|r| r.wpm).sum::<f64>() / self.history.len() as f64;
         let avg_accuracy =
             self.history.iter().map(|r| r.accuracy).sum::<f64>() / self.history.len() as f64;
 
@@ -454,7 +465,11 @@ impl StatsDashboard<'_> {
         );
 
         // Level progress
-        let total_score: f64 = self.history.iter().map(|r| r.wpm * r.accuracy / 100.0).sum();
+        let total_score: f64 = self
+            .history
+            .iter()
+            .map(|r| r.wpm * r.accuracy / 100.0)
+            .sum();
         let level = ((total_score / 100.0).sqrt() as u32).max(1);
         let next_level_score = ((level + 1) as f64).powi(2) * 100.0;
         let current_level_score = (level as f64).powi(2) * 100.0;
@@ -523,11 +538,7 @@ impl StatsDashboard<'_> {
                 " "
             };
 
-            let mode_str = if result.ranked {
-                ""
-            } else {
-                " (unranked)"
-            };
+            let mode_str = if result.ranked { "" } else { " (unranked)" };
             let row = format!(
                 " {wpm_indicator}{idx_str}  {wpm_str}  {raw_str}  {acc_str}  {time_str:>6}  {date_str}  {mode}{mode_str}",
                 mode = result.drill_mode,
@@ -656,7 +667,7 @@ impl StatsDashboard<'_> {
             .constraints([
                 Constraint::Length(12), // Activity heatmap
                 Constraint::Length(7),  // Keyboard accuracy heatmap
-                Constraint::Min(5),    // Slowest/Fastest/Stats
+                Constraint::Min(5),     // Slowest/Fastest/Stats
                 Constraint::Length(5),  // Overall stats
             ])
             .split(area);
@@ -738,12 +749,7 @@ impl StatsDashboard<'_> {
                 } else {
                     format!("{key}   ")
                 };
-                buf.set_string(
-                    x,
-                    y,
-                    &display,
-                    Style::default().fg(fg_color).bg(bg_color),
-                );
+                buf.set_string(x, y, &display, Style::default().fg(fg_color).bg(bg_color));
             }
         }
     }
@@ -793,12 +799,7 @@ impl StatsDashboard<'_> {
                 break;
             }
             let text = format!("  '{ch}'  {time:.0}ms");
-            buf.set_string(
-                inner.x,
-                y,
-                &text,
-                Style::default().fg(colors.error()),
-            );
+            buf.set_string(inner.x, y, &text, Style::default().fg(colors.error()));
         }
     }
 
@@ -826,12 +827,7 @@ impl StatsDashboard<'_> {
                 break;
             }
             let text = format!("  '{ch}'  {time:.0}ms");
-            buf.set_string(
-                inner.x,
-                y,
-                &text,
-                Style::default().fg(colors.success()),
-            );
+            buf.set_string(inner.x, y, &text, Style::default().fg(colors.success()));
         }
     }
 
@@ -953,12 +949,7 @@ fn render_text_bar(
     }
 
     // Label on first line
-    buf.set_string(
-        area.x,
-        area.y,
-        label,
-        Style::default().fg(fill_color),
-    );
+    buf.set_string(area.x, area.y, label, Style::default().fg(fill_color));
 
     // Bar on second line using ┃ filled / dim ┃ empty
     let bar_width = (area.width as usize).saturating_sub(4);
diff --git a/src/ui/components/stats_sidebar.rs b/src/ui/components/stats_sidebar.rs
index 569227a..5ff6e54 100644
--- a/src/ui/components/stats_sidebar.rs
+++ b/src/ui/components/stats_sidebar.rs
@@ -22,7 +22,12 @@ impl<'a> StatsSidebar<'a> {
         history: &'a [DrillResult],
         theme: &'a Theme,
     ) -> Self {
-        Self { drill, last_result, history, theme }
+        Self {
+            drill,
+            last_result,
+            history,
+            theme,
+        }
     }
 }
 
@@ -159,12 +164,10 @@ impl Widget for StatsSidebar<'_> {
                 colors.text_pending()
             };
 
-            let mut lines = vec![
-                Line::from(vec![
-                    Span::styled("WPM: ", Style::default().fg(colors.fg())),
-                    Span::styled(wpm_str, Style::default().fg(colors.accent())),
-                ]),
-            ];
+            let mut lines = vec![Line::from(vec![
+                Span::styled("WPM: ", Style::default().fg(colors.fg())),
+                Span::styled(wpm_str, Style::default().fg(colors.accent())),
+            ])];
 
             if prior_count > 0 {
                 lines.push(Line::from(vec![
diff --git a/src/ui/components/typing_area.rs b/src/ui/components/typing_area.rs
index dcc553b..af20498 100644
--- a/src/ui/components/typing_area.rs
+++ b/src/ui/components/typing_area.rs
@@ -4,8 +4,8 @@ use ratatui::style::{Modifier, Style};
 use ratatui::text::{Line, Span};
 use ratatui::widgets::{Block, Paragraph, Widget, Wrap};
 
-use crate::session::input::CharStatus;
 use crate::session::drill::DrillState;
+use crate::session::input::CharStatus;
 use crate::ui::theme::Theme;
 
 pub struct TypingArea<'a> {
@@ -78,6 +78,7 @@ impl Widget for TypingArea<'_> {
 
         for token in &tokens {
             let idx = token.target_idx;
+            let target_ch = self.drill.target[idx];
 
             let style = if idx < self.drill.cursor {
                 match &self.drill.input[idx] {
@@ -91,6 +92,7 @@ impl Widget for TypingArea<'_> {
                 Style::default()
                     .fg(colors.text_cursor_fg())
                     .bg(colors.text_cursor_bg())
+                    .add_modifier(Modifier::REVERSED | Modifier::BOLD)
             } else {
                 Style::default().fg(colors.text_pending())
             };
@@ -99,7 +101,6 @@ impl Widget for TypingArea<'_> {
             // but always show the token display for whitespace markers
             let display = if idx < self.drill.cursor {
                 if let CharStatus::Incorrect(actual) = &self.drill.input[idx] {
-                    let target_ch = self.drill.target[idx];
                     if target_ch == '\n' || target_ch == '\t' {
                         // Show the whitespace marker even when incorrect
                         token.display.clone()
@@ -109,6 +110,8 @@ impl Widget for TypingArea<'_> {
                 } else {
                     token.display.clone()
                 }
+            } else if idx == self.drill.cursor && target_ch == ' ' {
+                "\u{00b7}".to_string()
             } else {
                 token.display.clone()
             };
@@ -120,6 +123,16 @@ impl Widget for TypingArea<'_> {
             }
         }
 
+        // Keep cursor visible at end-of-input as an insertion marker.
+        if self.drill.cursor >= self.drill.target.len() {
+            lines.last_mut().unwrap().push(Span::styled(
+                "\u{258f}",
+                Style::default()
+                    .fg(colors.accent())
+                    .add_modifier(Modifier::BOLD),
+            ));
+        }
+
         let ratatui_lines: Vec<Line> = lines.into_iter().map(Line::from).collect();
 
         let block = Block::bordered()
diff --git a/src/ui/theme.rs b/src/ui/theme.rs
index 1070b0f..cd40af3 100644
--- a/src/ui/theme.rs
+++ b/src/ui/theme.rs
@@ -8,6 +8,8 @@ use serde::{Deserialize, Serialize};
 #[folder = "assets/themes/"]
 struct ThemeAssets;
 
+const TERMINAL_DEFAULT_THEME: &str = "terminal-default";
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Theme {
     pub name: String,
@@ -42,7 +44,10 @@ impl Theme {
     pub fn load(name: &str) -> Option<Self> {
         // Try user themes dir
         if let Some(config_dir) = dirs::config_dir() {
-            let user_theme_path = config_dir.join("keydr").join("themes").join(format!("{name}.toml"));
+            let user_theme_path = config_dir
+                .join("keydr")
+                .join("themes")
+                .join(format!("{name}.toml"));
             if let Ok(content) = fs::read_to_string(&user_theme_path) {
                 if let Ok(theme) = toml::from_str::<Theme>(&content) {
                     return Some(theme);
@@ -64,17 +69,20 @@ impl Theme {
     }
 
     pub fn available_themes() -> Vec<String> {
-        ThemeAssets::iter()
-            .filter_map(|f| {
-                f.strip_suffix(".toml").map(|n| n.to_string())
-            })
-            .collect()
+        let mut themes: Vec<String> = ThemeAssets::iter()
+            .filter_map(|f| f.strip_suffix(".toml").map(|n| n.to_string()))
+            .collect();
+        themes.sort_unstable();
+        if let Some(idx) = themes.iter().position(|t| t == TERMINAL_DEFAULT_THEME) {
+            themes.swap(0, idx);
+        }
+        themes
     }
 }
 
 impl Default for Theme {
     fn default() -> Self {
-        Self::load("catppuccin-mocha").unwrap_or_else(|| Self {
+        Self::load(TERMINAL_DEFAULT_THEME).unwrap_or_else(|| Self {
             name: "default".to_string(),
             colors: ThemeColors::default(),
         })
@@ -109,9 +117,10 @@ impl Default for ThemeColors {
 }
 
 impl ThemeColors {
-    pub fn parse_color(hex: &str) -> Color {
-        let hex = hex.trim_start_matches('#');
-        if hex.len() == 6 {
+    pub fn parse_color(value: &str) -> Color {
+        let value = value.trim();
+        let hex = value.trim_start_matches('#');
+        if hex.len() == 6 && value.starts_with('#') {
             if let (Ok(r), Ok(g), Ok(b)) = (
                 u8::from_str_radix(&hex[0..2], 16),
                 u8::from_str_radix(&hex[2..4], 16),
@@ -120,27 +129,87 @@ impl ThemeColors {
                 return Color::Rgb(r, g, b);
             }
         }
-        Color::White
+
+        match value.to_ascii_lowercase().as_str() {
+            "reset" | "default" | "none" => Color::Reset,
+            "black" => Color::Black,
+            "red" => Color::Red,
+            "green" => Color::Green,
+            "yellow" => Color::Yellow,
+            "blue" => Color::Blue,
+            "magenta" => Color::Magenta,
+            "cyan" => Color::Cyan,
+            "gray" | "grey" => Color::Gray,
+            "darkgray" | "darkgrey" => Color::DarkGray,
+            "lightred" | "brightred" => Color::LightRed,
+            "lightgreen" | "brightgreen" => Color::LightGreen,
+            "lightyellow" | "brightyellow" => Color::LightYellow,
+            "lightblue" | "brightblue" => Color::LightBlue,
+            "lightmagenta" | "brightmagenta" => Color::LightMagenta,
+            "lightcyan" | "brightcyan" => Color::LightCyan,
+            "white" | "lightwhite" | "brightwhite" => Color::White,
+            _ => Color::White,
+        }
     }
 
-    pub fn bg(&self) -> Color { Self::parse_color(&self.bg) }
-    pub fn fg(&self) -> Color { Self::parse_color(&self.fg) }
-    pub fn text_correct(&self) -> Color { Self::parse_color(&self.text_correct) }
-    pub fn text_incorrect(&self) -> Color { Self::parse_color(&self.text_incorrect) }
-    pub fn text_incorrect_bg(&self) -> Color { Self::parse_color(&self.text_incorrect_bg) }
-    pub fn text_pending(&self) -> Color { Self::parse_color(&self.text_pending) }
-    pub fn text_cursor_bg(&self) -> Color { Self::parse_color(&self.text_cursor_bg) }
-    pub fn text_cursor_fg(&self) -> Color { Self::parse_color(&self.text_cursor_fg) }
-    pub fn focused_key(&self) -> Color { Self::parse_color(&self.focused_key) }
-    pub fn accent(&self) -> Color { Self::parse_color(&self.accent) }
-    pub fn accent_dim(&self) -> Color { Self::parse_color(&self.accent_dim) }
-    pub fn border(&self) -> Color { Self::parse_color(&self.border) }
-    pub fn border_focused(&self) -> Color { Self::parse_color(&self.border_focused) }
-    pub fn header_bg(&self) -> Color { Self::parse_color(&self.header_bg) }
-    pub fn header_fg(&self) -> Color { Self::parse_color(&self.header_fg) }
-    pub fn bar_filled(&self) -> Color { Self::parse_color(&self.bar_filled) }
-    pub fn bar_empty(&self) -> Color { Self::parse_color(&self.bar_empty) }
-    pub fn error(&self) -> Color { Self::parse_color(&self.error) }
-    pub fn warning(&self) -> Color { Self::parse_color(&self.warning) }
-    pub fn success(&self) -> Color { Self::parse_color(&self.success) }
+    pub fn bg(&self) -> Color {
+        Self::parse_color(&self.bg)
+    }
+    pub fn fg(&self) -> Color {
+        Self::parse_color(&self.fg)
+    }
+    pub fn text_correct(&self) -> Color {
+        Self::parse_color(&self.text_correct)
+    }
+    pub fn text_incorrect(&self) -> Color {
+        Self::parse_color(&self.text_incorrect)
+    }
+    pub fn text_incorrect_bg(&self) -> Color {
+        Self::parse_color(&self.text_incorrect_bg)
+    }
+    pub fn text_pending(&self) -> Color {
+        Self::parse_color(&self.text_pending)
+    }
+    pub fn text_cursor_bg(&self) -> Color {
+        Self::parse_color(&self.text_cursor_bg)
+    }
+    pub fn text_cursor_fg(&self) -> Color {
+        Self::parse_color(&self.text_cursor_fg)
+    }
+    pub fn focused_key(&self) -> Color {
+        Self::parse_color(&self.focused_key)
+    }
+    pub fn accent(&self) -> Color {
+        Self::parse_color(&self.accent)
+    }
+    pub fn accent_dim(&self) -> Color {
+        Self::parse_color(&self.accent_dim)
+    }
+    pub fn border(&self) -> Color {
+        Self::parse_color(&self.border)
+    }
+    pub fn border_focused(&self) -> Color {
+        Self::parse_color(&self.border_focused)
+    }
+    pub fn header_bg(&self) -> Color {
+        Self::parse_color(&self.header_bg)
+    }
+    pub fn header_fg(&self) -> Color {
+        Self::parse_color(&self.header_fg)
+    }
+    pub fn bar_filled(&self) -> Color {
+        Self::parse_color(&self.bar_filled)
+    }
+    pub fn bar_empty(&self) -> Color {
+        Self::parse_color(&self.bar_empty)
+    }
+    pub fn error(&self) -> Color {
+        Self::parse_color(&self.error)
+    }
+    pub fn warning(&self) -> Color {
+        Self::parse_color(&self.warning)
+    }
+    pub fn success(&self) -> Color {
+        Self::parse_color(&self.success)
+    }
 }