diff --git a/assets/icons/sparkle_alt.svg b/assets/icons/sparkle_alt.svg
new file mode 100644
index 0000000000..d5c227b105
--- /dev/null
+++ b/assets/icons/sparkle_alt.svg
@@ -0,0 +1,3 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M6 6C5.69062 6.30938 4.56159 6.55977 3.51192 6.73263C3.27345 6.7719 3.27345 7.2281 3.51192 7.26737C4.56159 7.44023 5.69062 7.69062 6 8C6.30938 8.30938 6.55977 9.43841 6.73263 10.4881C6.7719 10.7266 7.2281 10.7266 7.26737 10.4881C7.44023 9.43841 7.69062 8.30938 8 8C8.30938 7.69062 9.43841 7.44023 10.4881 7.26737C10.7266 7.2281 10.7266 6.7719 10.4881 6.73263C9.43841 6.55977 8.30938 6.30938 8 6C7.69062 5.69062 7.44023 4.56159 7.26737 3.51192C7.2281 3.27345 6.7719 3.27345 6.73263 3.51192C6.55977 4.56159 6.30938 5.69062 6 6Z" stroke="black" stroke-width="1.25" stroke-linejoin="round"/>
+</svg>
diff --git a/assets/icons/stop.svg b/assets/icons/stop.svg
index 3beabd5394..6291a34c08 100644
--- a/assets/icons/stop.svg
+++ b/assets/icons/stop.svg
@@ -1,3 +1,3 @@
-<svg width="12" height="12" viewBox="0 0 12 12" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M9.88889 1H2.11111C1.49746 1 1 1.49746 1 2.11111V9.88889C1 10.5025 1.49746 11 2.11111 11H9.88889C10.5025 11 11 10.5025 11 9.88889V2.11111C11 1.49746 10.5025 1 9.88889 1Z" stroke="#C56757" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4 9.8V4.2C4 4.08954 4.08954 4 4.2 4H9.8C9.91046 4 10 4.08954 10 4.2V9.8C10 9.91046 9.91046 10 9.8 10H4.2C4.08954 10 4 9.91046 4 9.8Z" stroke="#C56757" stroke-width="1.25" stroke-linejoin="round"/>
 </svg>
diff --git a/crates/assistant/src/inline_assistant.rs b/crates/assistant/src/inline_assistant.rs
index 64e4f7bd3d..c3a31fb94a 100644
--- a/crates/assistant/src/inline_assistant.rs
+++ b/crates/assistant/src/inline_assistant.rs
@@ -1328,15 +1328,14 @@ impl Render for PromptEditor {
                 vec![
                     IconButton::new("cancel", IconName::Close)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::for_action("Cancel Assist", &menu::Cancel, cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)),
                         ),
-                    IconButton::new("start", IconName::Sparkle)
+                    IconButton::new("start", IconName::SparkleAlt)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
-                        .icon_size(IconSize::XSmall)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::for_action("Transform", &menu::Confirm, cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::StartRequested)),
@@ -1347,15 +1346,14 @@ impl Render for PromptEditor {
                 vec![
                     IconButton::new("cancel", IconName::Close)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::text("Cancel Assist", cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)),
                         ),
                     IconButton::new("stop", IconName::Stop)
                         .icon_color(Color::Error)
-                        .size(ButtonSize::None)
-                        .icon_size(IconSize::XSmall)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| {
                             Tooltip::with_meta(
                                 "Interrupt Transformation",
@@ -1373,7 +1371,7 @@ impl Render for PromptEditor {
                 vec![
                     IconButton::new("cancel", IconName::Close)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::for_action("Cancel Assist", &menu::Cancel, cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)),
@@ -1381,8 +1379,7 @@ impl Render for PromptEditor {
                     if self.edited_since_done {
                         IconButton::new("restart", IconName::RotateCw)
                             .icon_color(Color::Info)
-                            .icon_size(IconSize::XSmall)
-                            .size(ButtonSize::None)
+                            .shape(IconButtonShape::Square)
                             .tooltip(|cx| {
                                 Tooltip::with_meta(
                                     "Restart Transformation",
@@ -1397,7 +1394,7 @@ impl Render for PromptEditor {
                     } else {
                         IconButton::new("confirm", IconName::Check)
                             .icon_color(Color::Info)
-                            .size(ButtonSize::None)
+                            .shape(IconButtonShape::Square)
                             .tooltip(|cx| Tooltip::for_action("Confirm Assist", &menu::Confirm, cx))
                             .on_click(cx.listener(|_, _, cx| {
                                 cx.emit(PromptEditorEvent::ConfirmRequested);
@@ -1466,7 +1463,7 @@ impl Render for PromptEditor {
             .child(
                 h_flex()
                     .gap_2()
-                    .pr_4()
+                    .pr_6()
                     .children(self.render_token_count(cx))
                     .children(buttons),
             )
diff --git a/crates/assistant/src/terminal_inline_assistant.rs b/crates/assistant/src/terminal_inline_assistant.rs
index b2314fc532..cbd33f38a5 100644
--- a/crates/assistant/src/terminal_inline_assistant.rs
+++ b/crates/assistant/src/terminal_inline_assistant.rs
@@ -452,15 +452,14 @@ impl Render for PromptEditor {
                 vec![
                     IconButton::new("cancel", IconName::Close)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::for_action("Cancel Assist", &menu::Cancel, cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)),
                         ),
-                    IconButton::new("start", IconName::Sparkle)
+                    IconButton::new("start", IconName::SparkleAlt)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
-                        .icon_size(IconSize::XSmall)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::for_action("Generate", &menu::Confirm, cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::StartRequested)),
@@ -471,15 +470,14 @@ impl Render for PromptEditor {
                 vec![
                     IconButton::new("cancel", IconName::Close)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::text("Cancel Assist", cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)),
                         ),
                     IconButton::new("stop", IconName::Stop)
                         .icon_color(Color::Error)
-                        .size(ButtonSize::None)
-                        .icon_size(IconSize::XSmall)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| {
                             Tooltip::with_meta(
                                 "Interrupt Generation",
@@ -497,7 +495,7 @@ impl Render for PromptEditor {
                 vec![
                     IconButton::new("cancel", IconName::Close)
                         .icon_color(Color::Muted)
-                        .size(ButtonSize::None)
+                        .shape(IconButtonShape::Square)
                         .tooltip(|cx| Tooltip::for_action("Cancel Assist", &menu::Cancel, cx))
                         .on_click(
                             cx.listener(|_, _, cx| cx.emit(PromptEditorEvent::CancelRequested)),
@@ -505,8 +503,7 @@ impl Render for PromptEditor {
                     if self.edited_since_done {
                         IconButton::new("restart", IconName::RotateCw)
                             .icon_color(Color::Info)
-                            .icon_size(IconSize::XSmall)
-                            .size(ButtonSize::None)
+                            .shape(IconButtonShape::Square)
                             .tooltip(|cx| {
                                 Tooltip::with_meta(
                                     "Restart Generation",
@@ -521,7 +518,7 @@ impl Render for PromptEditor {
                     } else {
                         IconButton::new("confirm", IconName::Play)
                             .icon_color(Color::Info)
-                            .size(ButtonSize::None)
+                            .shape(IconButtonShape::Square)
                             .tooltip(|cx| {
                                 Tooltip::for_action("Execute generated command", &menu::Confirm, cx)
                             })
diff --git a/crates/ui/src/components/icon.rs b/crates/ui/src/components/icon.rs
index 26a5d93083..2b5ea51767 100644
--- a/crates/ui/src/components/icon.rs
+++ b/crates/ui/src/components/icon.rs
@@ -228,6 +228,7 @@ pub enum IconName {
     Snip,
     Space,
     Sparkle,
+    SparkleAlt,
     SparkleFilled,
     Spinner,
     Split,
@@ -378,6 +379,7 @@ impl IconName {
             IconName::Snip => "icons/snip.svg",
             IconName::Space => "icons/space.svg",
             IconName::Sparkle => "icons/sparkle.svg",
+            IconName::SparkleAlt => "icons/sparkle_alt.svg",
             IconName::SparkleFilled => "icons/sparkle_filled.svg",
             IconName::Spinner => "icons/spinner.svg",
             IconName::Split => "icons/split.svg",