diff --git a/crates/ferese-theme/src/gallery.rs b/crates/ferese-theme/src/gallery.rs
index 0283cfc..ab1e411 100644
--- a/crates/ferese-theme/src/gallery.rs
+++ b/crates/ferese-theme/src/gallery.rs
@@ -11,6 +11,7 @@ pub struct TileOptions {
     pub variant: Option<Appearance>,
     pub active: Option<Appearance>,
     pub selected: bool,
+    pub tab_stop: bool,
     pub palette: crate::Palette,
     pub font: cosmic::font::Font,
     pub id: Id,
@@ -26,6 +27,7 @@ pub fn tile<M: Clone + 'static>(
         variant,
         active,
         selected,
+        tab_stop,
         palette,
         font,
         id,
@@ -61,7 +63,7 @@ pub fn tile<M: Clone + 'static>(
         .padding(8)
         .class(tile_style(palette, selected))
         .on_press(on_select);
-    radio(tile, id, selected, navigate)
+    radio_with_tab_stop(tile, id, selected, tab_stop, navigate)
 }
 
 fn tile_style(palette: crate::Palette, selected: bool) -> cosmic::theme::Button {
@@ -247,6 +249,7 @@ pub struct Radio<'a, M> {
     content: Element<'a, M>,
     id: Id,
     selected: bool,
+    tab_stop: bool,
     group: bool,
     label: String,
     navigate: Option<Navigation<'a, M>>,
@@ -257,11 +260,22 @@ pub fn radio<'a, M: Clone + 'a>(
     id: Id,
     selected: bool,
     navigate: impl Fn(&keyboard::key::Named) -> Option<M> + 'a,
+) -> Element<'a, M> {
+    radio_with_tab_stop(content, id, selected, selected, navigate)
+}
+
+fn radio_with_tab_stop<'a, M: Clone + 'a>(
+    content: impl Into<Element<'a, M>>,
+    id: Id,
+    selected: bool,
+    tab_stop: bool,
+    navigate: impl Fn(&keyboard::key::Named) -> Option<M> + 'a,
 ) -> Element<'a, M> {
     Element::new(Radio {
         content: content.into(),
         id,
         selected,
+        tab_stop,
         group: false,
         label: String::new(),
         navigate: Some(Box::new(navigate)),
@@ -273,6 +287,7 @@ pub fn group<'a, M: Clone + 'a>(content: impl Into<Element<'a, M>>, id: Id, labe
         content: content.into(),
         id,
         selected: false,
+        tab_stop: false,
         group: true,
         label: label.into(),
         navigate: None,
@@ -305,7 +320,7 @@ impl<M: Clone> Widget<M, Theme, Renderer> for Radio<'_, M> {
             self.content
                 .as_widget_mut()
                 .operate(&mut tree.children[0], layout, renderer, operation);
-        } else if self.selected {
+        } else if self.tab_stop {
             operation.focusable(Some(&self.id), layout.bounds(), tree.state.downcast_mut::<Focus>());
         } else {
             tree.state.downcast_mut::<Focus>().0 = false;
@@ -339,10 +354,10 @@ impl<M: Clone> Widget<M, Theme, Renderer> for Radio<'_, M> {
                 }
             }
             if matches!(event, Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))) {
-                tree.state.downcast_mut::<Focus>().0 = self.selected && cursor.is_over(layout.bounds());
+                tree.state.downcast_mut::<Focus>().0 = self.tab_stop && cursor.is_over(layout.bounds());
             }
         }
-        if !self.group && self.selected && tree.state.downcast_ref::<Focus>().0 {
+        if !self.group && self.tab_stop && tree.state.downcast_ref::<Focus>().0 {
             if let Event::Keyboard(keyboard::Event::KeyPressed {
                 key: keyboard::Key::Character(key),
                 ..
@@ -392,7 +407,7 @@ impl<M: Clone> Widget<M, Theme, Renderer> for Radio<'_, M> {
         self.content
             .as_widget()
             .draw(&tree.children[0], renderer, theme, style, layout, cursor, viewport);
-        if !self.group && self.selected && tree.state.downcast_ref::<Focus>().0 {
+        if !self.group && self.tab_stop && tree.state.downcast_ref::<Focus>().0 {
             use renderer::Renderer as _;
             renderer.fill_quad(
                 renderer::Quad {
diff --git a/shell/ferese-settings/src/main.rs b/shell/ferese-settings/src/main.rs
index 8b6e5cb..b3e968e 100644
--- a/shell/ferese-settings/src/main.rs
+++ b/shell/ferese-settings/src/main.rs
@@ -150,6 +150,7 @@ struct App {
     font: cosmic::font::Font,
     native_palette: visuals::Palette,
     family_ids: std::sync::Arc<Vec<String>>,
+    family_sections: theme_controls::FamilySections,
     gallery_focus: Option<(String, Option<ferese_config::theme::Appearance>)>,
     resolved: ferese_ipc::theme::Snapshot,
     undo_revision: u64,
@@ -172,6 +173,11 @@ fn initial_visible_rows() -> std::collections::HashSet<(&'static str, usize)> {
                 .into_iter()
                 .flat_map(|list| (0..3).map(move |index| (list, index))),
         )
+        .chain(
+            ["theme-custom", "theme-custom-light", "theme-custom-dark"]
+                .into_iter()
+                .map(|list| (list, 0)),
+        )
         .collect()
 }
 
@@ -217,6 +223,7 @@ impl cosmic::Application for App {
         let resolved = ferese_theme_client::service::current();
         let font = ferese_theme::font(Some(&resolved.presented.tokens.typography.font_family));
         let native_palette = visuals::Palette::from_resolved(&resolved.presented);
+        let family_sections = theme_controls::FamilySections::new(&resolved.families, &current);
         let mut app = Self {
             connections: connections::State {
                 tab: connection_tab.unwrap_or_default(),
@@ -252,6 +259,7 @@ impl cosmic::Application for App {
             font,
             native_palette,
             gallery_focus: None,
+            family_sections,
             family_ids: std::sync::Arc::new(resolved.families.iter().map(|family| family.id.clone()).collect()),
             resolved,
             undo_revision: 0,
@@ -318,6 +326,7 @@ impl cosmic::Application for App {
                 if self.resolved.families != snapshot.families {
                     self.family_ids =
                         std::sync::Arc::new(snapshot.families.iter().map(|family| family.id.clone()).collect());
+                    self.family_sections = theme_controls::FamilySections::new(&snapshot.families, &self.draft);
                 }
                 self.resolved = *snapshot;
                 if font_changed {
@@ -394,6 +403,8 @@ impl cosmic::Application for App {
                     } else {
                         self.current = snapshot.clone();
                         self.draft = snapshot;
+                        self.family_sections =
+                            theme_controls::FamilySections::new(&self.resolved.families, &self.draft);
                         self.sync_notes();
                         self.font = ferese_theme::font(Some(&self.resolved.presented.tokens.typography.font_family));
                         self.undo = None;
@@ -486,12 +497,7 @@ impl cosmic::Application for App {
                         self.hidden_binding_rows.remove(&index);
                     }
                     if let Some((id, appearance)) = &self.gallery_focus
-                        && navigation::gallery_list(*appearance) == list
-                        && self
-                            .family_ids
-                            .iter()
-                            .position(|family| family == id)
-                            .is_some_and(|position| position / 3 == index)
+                        && self.gallery_position(id, *appearance) == Some((list, index))
                     {
                         let (id, appearance) = self.gallery_focus.take().unwrap();
                         return cosmic::iced::advanced::widget::operate(
@@ -579,6 +585,8 @@ impl cosmic::Application for App {
                             }
                         }
 
+                        self.family_sections =
+                            theme_controls::FamilySections::new(&self.resolved.families, &self.draft);
                         self.sync_notes();
                         self.status = if live {
                             "Saved · desktop updated"
@@ -609,6 +617,7 @@ impl cosmic::Application for App {
                 Ok(snapshot) => {
                     self.current = snapshot.clone();
                     self.draft = snapshot;
+                    self.family_sections = theme_controls::FamilySections::new(&self.resolved.families, &self.draft);
                     self.note_editors.clear();
                     self.sync_notes();
                     self.font = ferese_theme::font(Some(&self.resolved.presented.tokens.typography.font_family));
@@ -629,15 +638,14 @@ impl cosmic::Application for App {
                 }
             }
             Message::Family(id, appearance) => {
-                let reveal = if let Some(index) = self.family_ids.iter().position(|family| family == &id) {
-                    let list = navigation::gallery_list(appearance);
-                    if !self.visible_rows.insert((list, index / 3)) {
+                let reveal = if let Some((list, row)) = self.gallery_position(&id, appearance) {
+                    if !self.visible_rows.insert((list, row)) {
                         self.gallery_focus = None;
                     } else {
                         // Focus after the sensor observes the newly mounted row.
                         self.gallery_focus = Some((id.clone(), appearance));
                     }
-                    cosmic::iced::advanced::widget::operate(navigation::RevealRow::new(list, index / 3))
+                    cosmic::iced::advanced::widget::operate(navigation::RevealRow::new(list, row))
                         .map(cosmic::Action::App)
                 } else {
                     Task::none()
@@ -1100,6 +1108,44 @@ mod tests {
         assert!(app.gallery_focus.is_none());
     }
 
+    #[test]
+    fn custom_theme_focus_waits_for_its_own_grid_in_linked_and_split_modes() {
+        for appearance in [
+            None,
+            Some(ferese_config::theme::Appearance::Light),
+            Some(ferese_config::theme::Appearance::Dark),
+        ] {
+            let mut app = app();
+            let registrations = (0..7)
+                .map(|index| format!("personal-{index} {{ file \"unused.kdl\"; }}\n"))
+                .collect::<String>();
+            app.draft = Snapshot::parse(format!("theme {{ custom-themes {{ {registrations} }} }}")).unwrap();
+            let mut snapshot = app.resolved.clone();
+            for index in 0..7 {
+                let mut family = snapshot.families[0].clone();
+                family.id = format!("personal-{index}");
+                snapshot.families.push(family);
+            }
+            let _ = app.update(Message::ThemeChanged(Box::new(snapshot)));
+            let id = "personal-6".to_owned();
+            let list = navigation::gallery_list(appearance, true);
+            assert_eq!(app.gallery_position(&id, appearance), Some((list, 2)));
+            app.visible_rows.remove(&(list, 2));
+            let _ = app.update(Message::Family(id.clone(), appearance));
+            assert_eq!(app.gallery_focus, Some((id.clone(), appearance)));
+            let _ = app.update(Message::RowVisibility(
+                navigation::gallery_list(appearance, false),
+                2,
+                true,
+            ));
+            assert!(app.gallery_focus.is_some(), "built-in row must not claim custom focus");
+            let task = app.update(Message::RowVisibility(list, 2, true));
+            assert!(task.units() > 0);
+            assert!(app.gallery_focus.is_none());
+            assert_eq!(visuals::family_selection(&app.draft, appearance), id);
+        }
+    }
+
     #[test]
     fn animated_palette_does_not_rebuild_native_theme_or_family_navigation() {
         let mut app = app();
diff --git a/shell/ferese-settings/src/navigation.rs b/shell/ferese-settings/src/navigation.rs
index cc0dcdc..91b4d6d 100644
--- a/shell/ferese-settings/src/navigation.rs
+++ b/shell/ferese-settings/src/navigation.rs
@@ -2,11 +2,14 @@ use cosmic::iced::advanced::widget::Id;
 use cosmic::iced::advanced::widget::operation::{Operation, Scrollable};
 use cosmic::iced::{Rectangle, Vector};
 
-pub(super) fn gallery_list(appearance: Option<ferese_config::theme::Appearance>) -> &'static str {
-    match appearance {
-        Some(ferese_config::theme::Appearance::Light) => "theme-light",
-        Some(ferese_config::theme::Appearance::Dark) => "theme-dark",
-        None => "theme",
+pub(super) fn gallery_list(appearance: Option<ferese_config::theme::Appearance>, custom: bool) -> &'static str {
+    match (appearance, custom) {
+        (Some(ferese_config::theme::Appearance::Light), false) => "theme-light",
+        (Some(ferese_config::theme::Appearance::Dark), false) => "theme-dark",
+        (None, false) => "theme",
+        (Some(ferese_config::theme::Appearance::Light), true) => "theme-custom-light",
+        (Some(ferese_config::theme::Appearance::Dark), true) => "theme-custom-dark",
+        (None, true) => "theme-custom",
     }
 }
 
diff --git a/shell/ferese-settings/src/theme_controls.rs b/shell/ferese-settings/src/theme_controls.rs
index ece97af..4fa26cf 100644
--- a/shell/ferese-settings/src/theme_controls.rs
+++ b/shell/ferese-settings/src/theme_controls.rs
@@ -3,6 +3,39 @@ use super::{
     schema, set, text_input, visuals, widget,
 };
 
+#[derive(Clone, Default)]
+pub(super) struct FamilySections {
+    built_in: std::sync::Arc<Vec<usize>>,
+    custom: std::sync::Arc<Vec<usize>>,
+}
+
+impl FamilySections {
+    pub(super) fn new(families: &[ferese_config::families::Family], snapshot: &crate::store::Snapshot) -> Self {
+        let (custom, built_in) = (0..families.len()).partition(|&index| {
+            snapshot
+                .item(&format!("theme.custom_themes.{}", families[index].id))
+                .is_some()
+        });
+        Self {
+            built_in: std::sync::Arc::new(built_in),
+            custom: std::sync::Arc::new(custom),
+        }
+    }
+
+    fn indices(&self, custom: bool) -> &std::sync::Arc<Vec<usize>> {
+        if custom { &self.custom } else { &self.built_in }
+    }
+
+    pub(super) fn position(&self, index: usize) -> Option<(bool, usize)> {
+        [false, true].into_iter().find_map(|custom| {
+            self.indices(custom)
+                .iter()
+                .position(|&family| family == index)
+                .map(|position| (custom, position))
+        })
+    }
+}
+
 impl App {
     pub(super) fn theme_file_picker(&self) -> Element<'static, Message> {
         let palette = visuals::Palette::from_resolved(&self.resolved.presented);
@@ -158,7 +191,6 @@ impl App {
 
     pub(super) fn theme_gallery(&self, appearance: Option<ferese_config::theme::Appearance>) -> Element<'_, Message> {
         use ferese_config::theme::Appearance::{Dark, Light};
-        let choices = &self.resolved.families;
         let mut heading = row([]).align_y(Alignment::Center).spacing(6).push(
             self.label(
                 match appearance {
@@ -170,30 +202,57 @@ impl App {
             )
             .width(Length::Fill),
         );
+        if appearance != Some(Dark) && self.undo.is_some() {
+            heading = heading.push(self.settings_icon_button(
+                "Undo",
+                "M4 10h8 M4 10V3 M4 10c3-7 16-6 16 3a7 7 0 0 1-7 7",
+                (!self.saving).then_some(Message::Undo),
+            ));
+        }
+        let mut custom_heading = row([])
+            .align_y(Alignment::Center)
+            .spacing(6)
+            .push(self.label("Custom themes", 14.).width(Length::Fill));
         if appearance != Some(Dark) {
-            if self.undo.is_some() {
-                heading = heading.push(self.settings_icon_button(
-                    "Undo",
-                    "M4 10h8 M4 10V3 M4 10c3-7 16-6 16 3a7 7 0 0 1-7 7",
-                    (!self.saving).then_some(Message::Undo),
-                ));
-            }
-            heading = heading.push(self.settings_button(
+            custom_heading = custom_heading.push(self.settings_button(
                 "Import…",
                 "M3 7V5h6l2 2h10v13H3z M12 10v7 M9 14l3 3 3-3",
                 Some(Message::ImportTheme),
                 false,
             ));
         }
-        let mut gallery = column([]).spacing(6).push(heading);
-        let list = crate::navigation::gallery_list(appearance);
-        for chunk in 0..choices.len().div_ceil(3) {
+
+        let mut sections = column([]).spacing(12).push(
+            column([])
+                .spacing(6)
+                .push(heading)
+                .push(self.theme_gallery_grid(appearance, false)),
+        );
+        if appearance != Some(Dark) || !self.family_sections.custom.is_empty() {
+            sections = sections.push(
+                column([])
+                    .spacing(6)
+                    .push(custom_heading)
+                    .push(self.theme_gallery_grid(appearance, true)),
+            );
+        }
+
+        sections.into()
+    }
+
+    fn theme_gallery_grid(
+        &self,
+        appearance: Option<ferese_config::theme::Appearance>,
+        custom: bool,
+    ) -> Element<'_, Message> {
+        let mut rows = column([]).spacing(6);
+        let list = crate::navigation::gallery_list(appearance, custom);
+        for chunk in 0..self.family_sections.indices(custom).len().div_ceil(3) {
             let content = widget::responsive(move |size| {
                 // Three previews: 200:126 image, caption, and tile padding.
                 let height = ((size.width - 12.) / 3. - 16.).max(0.) * 126. / 200. + 34.;
                 let content: Element<'_, Message> = if self.visible_rows.contains(&(list, chunk)) {
-                    // Rebuild only mounted rows; responsive owns their actual layout width.
-                    self.theme_gallery_row(chunk, appearance)
+                    self.theme_gallery_row(chunk, appearance, custom)
                 } else {
                     widget::Space::new().height(height).width(Length::Fill).into()
                 };
@@ -209,30 +268,51 @@ impl App {
                 .into()
             })
             .height(Length::Shrink);
-            gallery = gallery.push(content);
+            rows = rows.push(content);
         }
+
         gallery::group(
-            container(gallery).width(Length::Fill),
-            cosmic::iced::advanced::widget::Id::new(format!("theme-gallery-{appearance:?}")),
-            match appearance {
-                Some(Light) => "Light theme",
-                Some(Dark) => "Dark theme",
-                None => "Theme",
+            container(rows).width(Length::Fill),
+            cosmic::iced::advanced::widget::Id::new(format!("{list}-gallery")),
+            if custom {
+                "Custom themes"
+            } else {
+                match appearance {
+                    Some(ferese_config::theme::Appearance::Light) => "Light theme",
+                    Some(ferese_config::theme::Appearance::Dark) => "Dark theme",
+                    None => "Theme",
+                }
             },
         )
     }
 
+    pub(super) fn gallery_position(
+        &self,
+        id: &str,
+        appearance: Option<ferese_config::theme::Appearance>,
+    ) -> Option<(&'static str, usize)> {
+        let index = self.family_ids.iter().position(|family| family == id)?;
+        let (custom, position) = self.family_sections.position(index)?;
+        Some((crate::navigation::gallery_list(appearance, custom), position / 3))
+    }
+
     fn theme_gallery_row(
         &self,
         chunk: usize,
         appearance: Option<ferese_config::theme::Appearance>,
+        custom: bool,
     ) -> Element<'static, Message> {
         let palette = visuals::Palette::from_resolved(&self.resolved.presented);
         let selected_id = visuals::family_selection(&self.draft, appearance);
-        let families = &self.resolved.families[chunk * 3..self.resolved.families.len().min(chunk * 3 + 3)];
+        let indices = self.family_sections.indices(custom);
+        let families = &indices[chunk * 3..indices.len().min(chunk * 3 + 3)];
+        let has_selection = indices
+            .iter()
+            .any(|&index| self.resolved.families[index].id == selected_id);
         let ids = &self.family_ids;
         let mut tiles = row([]).spacing(6);
-        for (offset, family) in families.iter().enumerate() {
+        for (offset, &family_index) in families.iter().enumerate() {
+            let family = &self.resolved.families[family_index];
             let selected = family.id == selected_id;
             let index = chunk * 3 + offset;
             let id = family.id.clone();
@@ -241,20 +321,22 @@ impl App {
                 .filter(|a| appearance.is_none_or(|variant| variant == *a));
             let tile_id = gallery_id(&id, appearance);
             let ids = ids.clone();
+            let indices = indices.clone();
             tiles = tiles.push(gallery::tile(
                 family,
                 gallery::TileOptions {
                     variant: appearance,
                     active,
                     selected,
+                    tab_stop: selected || (!has_selection && index == 0),
                     palette,
                     font: self.font,
                     id: tile_id,
                 },
                 Message::Family(id, appearance),
                 move |key| {
-                    gallery::neighbor(index, ids.len(), key)
-                        .map(|index| Message::Family(ids[index].clone(), appearance))
+                    gallery::neighbor(index, indices.len(), key)
+                        .map(|index| Message::Family(ids[indices[index]].clone(), appearance))
                 },
             ));
         }
@@ -272,3 +354,30 @@ pub(super) fn gallery_id(
 ) -> cosmic::iced::advanced::widget::Id {
     cosmic::iced::advanced::widget::Id::new(format!("theme-{appearance:?}-{id}"))
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn sections_use_registered_imports_not_id_prefixes_or_catalog_position() {
+        let snapshot = crate::store::Snapshot::parse(
+            "theme { custom-themes { sunset { file \"sunset.kdl\"; }; dracula { file \"mine.kdl\"; }; }; }".into(),
+        )
+        .unwrap();
+        let mut families = ferese_config::families::builtins();
+        let mut imported = families[0].clone();
+        imported.id = "sunset".into();
+        families.insert(1, imported.clone());
+        imported.id = "dracula".into();
+        families.push(imported);
+        let mut legacy = families[0].clone();
+        legacy.id = "monokai".into();
+        families.push(legacy);
+        let sections = FamilySections::new(&families, &snapshot);
+        assert_eq!(sections.custom.as_slice(), &[1, 7]);
+        assert_eq!(sections.built_in.as_slice(), &[0, 2, 3, 4, 5, 6, 8]);
+        assert_eq!(sections.position(7), Some((true, 1)));
+        assert_eq!(sections.position(8), Some((false, 6)));
+    }
+}