diff --git a/src/styles/clipboardChromeDensity.test.ts b/src/styles/clipboardChromeDensity.test.ts
index 1c20fd2d..6fe4282a 100644
--- a/src/styles/clipboardChromeDensity.test.ts
+++ b/src/styles/clipboardChromeDensity.test.ts
@@ -9,31 +9,50 @@ const clipboardView = readFileSync(resolve(root, 'src/views/ClipboardCompareView
 const layout = readFileSync(resolve(root, 'src/layouts/AppLayout.vue'), 'utf8')
 
 describe('clipboard compare chrome density', () => {
-  it('keeps Clipboard Compare toolbar/history/status chrome dense toward capture', () => {
+  it('keeps Clipboard Compare toolbar/history/status chrome at capture CSS scale', () => {
     expect(css).toMatch(/\.clipboard-compare-view\s*\{[\s\S]*?padding:\s*2px 4px/)
     expect(css).toMatch(
-      /\.clipboard-compare-view \.clipboard-toolbar\s*\{[\s\S]*?min-height:\s*20px/,
+      /\.clipboard-compare-view \.clipboard-toolbar\s*\{[\s\S]*?min-height:\s*22px/,
+    )
+    expect(css).toMatch(
+      /\.clipboard-compare-view \.clipboard-toolbar\s*\{[\s\S]*?border:\s*1px solid #a0a0a0/,
+    )
+    expect(css).toMatch(
+      /\.clipboard-compare-view \.clipboard-toolbar \.n-button[\s\S]*?height:\s*18px/,
+    )
+    expect(css).toMatch(/\.clipboard-compare-view \.history-entry\s*\{[\s\S]*?padding:\s*2px 6px/)
+    expect(css).toMatch(
+      /\.clipboard-compare-view \.path-side-footer\s*\{[\s\S]*?line-height:\s*16px/,
     )
-    expect(css).toMatch(/\.clipboard-compare-view \.history-entry\s*\{[\s\S]*?padding:\s*1px 4px/)
 
+    expect(clipboardView).toMatch(/data-clipboard-chrome-density="capture-1to1"/)
     expect(clipboardView).toMatch(/\.clipboard-compare-view\s*\{[\s\S]*?padding:\s*2px 4px/)
     expect(clipboardView).toMatch(/chromeKind:\s*'clipboard-session'/)
     expect(clipboardView).toMatch(/PathMetaFooter/)
     expect(clipboardView).toMatch(/clipboard-path-footers/)
+    expect(clipboardView).toMatch(/:deep\(\.clipboard-toolbar \.n-button\)[\s\S]*?height:\s*18px/)
+    expect(clipboardView).not.toMatch(/font-size:\s*9px/)
+    expect(clipboardView).not.toMatch(/min-height:\s*9px/)
 
     expect(layout).toMatch(/data-chrome-kind='clipboard-session'[\s\S]*?height:\s*20px/)
+    expect(css).toMatch(/\.bc-session-toolbar\s*\{[\s\S]*?min-height:\s*38px/)
   })
 
-  it('keeps Clipboard history pane/entry chrome dense one more notch toward capture', () => {
-    expect(css).toMatch(/\.clipboard-compare-view \.history-pane\s*\{[\s\S]*?padding:\s*1px 4px/)
+  it('keeps Clipboard history pane/entry chrome on capture band', () => {
+    expect(css).toMatch(/\.clipboard-compare-view \.history-pane\s*\{[\s\S]*?padding:\s*4px 6px/)
+    expect(css).toMatch(
+      /\.clipboard-compare-view \.history-pane header\s*\{[\s\S]*?min-height:\s*20px/,
+    )
+    expect(css).toMatch(/\.clipboard-compare-view \.history-entry\s*\{[\s\S]*?min-height:\s*18px/)
     expect(css).toMatch(
-      /\.clipboard-compare-view \.history-pane header\s*\{[\s\S]*?min-height:\s*16px/,
+      /\.clipboard-compare-view \.history-entry\s*\{[\s\S]*?border:\s*1px solid #a0a0a0/,
     )
-    expect(css).toMatch(/\.clipboard-compare-view \.history-entry\s*\{[\s\S]*?min-height:\s*20px/)
 
-    expect(clipboardView).toMatch(/\.history-pane\s*\{[\s\S]*?padding:\s*1px 4px/)
-    expect(clipboardView).toMatch(/\.history-pane header\s*\{[\s\S]*?min-height:\s*16px/)
-    expect(clipboardView).toMatch(/\.history-entry\s*\{[\s\S]*?min-height:\s*20px/)
-    expect(clipboardView).toMatch(/\.history-entry\s*\{[\s\S]*?padding:\s*1px 4px/)
+    expect(clipboardView).toMatch(/data-clipboard-rows-density="capture-1to1"/)
+    expect(clipboardView).toMatch(/\.history-pane\s*\{[\s\S]*?padding:\s*4px 6px/)
+    expect(clipboardView).toMatch(/\.history-pane header\s*\{[\s\S]*?min-height:\s*20px/)
+    expect(clipboardView).toMatch(/\.history-entry\s*\{[\s\S]*?min-height:\s*18px/)
+    expect(clipboardView).toMatch(/\.history-entry\s*\{[\s\S]*?padding:\s*2px 6px/)
+    expect(clipboardView).toMatch(/\.history-pane header span\s*\{[\s\S]*?line-height:\s*16px/)
   })
 })
diff --git a/src/styles/main.css b/src/styles/main.css
index ebaabc6c..6d8007d2 100644
--- a/src/styles/main.css
+++ b/src/styles/main.css
@@ -2713,22 +2713,49 @@ html[data-show-path-bars='0'] .path-pair-bar {
   line-height: 16px !important;
 }
 
-/* Clipboard Compare chrome densify toward capture toolbar/history/status strips */
+/* Clipboard Compare chrome at capture CSS scale (toolbar/history ~18–20px; do not crush) */
 .clipboard-compare-view {
-  gap: 2px !important;
+  gap: 4px !important;
   padding: 2px 4px !important;
 }
 
 .clipboard-compare-view .clipboard-toolbar {
-  gap: 2px 4px !important;
-  min-height: 20px !important;
-  padding: 1px 4px !important;
+  gap: 4px 6px !important;
+  min-height: 22px !important;
+  padding: 2px 4px !important;
+  border: 1px solid #a0a0a0 !important;
+  border-radius: 0 !important;
+  background: var(--app-surface) !important;
+}
+
+.clipboard-compare-view .clipboard-toolbar .n-button {
+  --n-height: 18px !important;
+  --n-padding: 0 6px !important;
+  --n-font-size: 11px !important;
+
+  height: 18px !important;
+  min-height: 18px !important;
+  padding: 0 6px !important;
   border-radius: 0 !important;
+  font-size: 11px !important;
+  line-height: 16px !important;
 }
 
 .clipboard-compare-view .status-chip {
   font-size: 11px !important;
-  line-height: 14px !important;
+  line-height: 16px !important;
+}
+
+.clipboard-compare-view .bc-path-footers {
+  gap: 1px !important;
+  min-height: 20px !important;
+  padding: 0 2px !important;
+}
+
+.clipboard-compare-view .path-side-footer {
+  min-height: 20px !important;
+  font-size: 11px !important;
+  line-height: 16px !important;
 }
 
 .clipboard-compare-view .clipboard-layout {
@@ -2737,17 +2764,23 @@ html[data-show-path-bars='0'] .path-pair-bar {
 
 .clipboard-compare-view .history-pane,
 .clipboard-compare-view .diff-pane {
+  border: 1px solid #a0a0a0 !important;
   border-radius: 0 !important;
 }
 
 .clipboard-compare-view .history-pane {
-  gap: 2px !important;
-  padding: 1px 4px !important;
+  gap: 4px !important;
+  padding: 4px 6px !important;
 }
 
 .clipboard-compare-view .history-pane header {
-  gap: 4px !important;
-  min-height: 16px !important;
+  gap: 6px !important;
+  min-height: 20px !important;
+}
+
+.clipboard-compare-view .history-pane header span {
+  font-size: 11px !important;
+  line-height: 16px !important;
 }
 
 .clipboard-compare-view .history-list {
@@ -2755,10 +2788,19 @@ html[data-show-path-bars='0'] .path-pair-bar {
 }
 
 .clipboard-compare-view .history-entry {
-  gap: 0 4px !important;
-  min-height: 20px !important;
-  padding: 1px 4px !important;
+  gap: 0 6px !important;
+  min-height: 18px !important;
+  padding: 2px 6px !important;
+  border: 1px solid #a0a0a0 !important;
   border-radius: 0 !important;
+  font-size: 11px !important;
+  line-height: 16px !important;
+}
+
+.clipboard-compare-view .history-entry small,
+.clipboard-compare-view .history-entry code {
+  font-size: 11px !important;
+  line-height: 16px !important;
 }
 
 /* Table Compare path chrome densify toward capture (~20px path/status) */
diff --git a/src/views/ClipboardCompareView.vue b/src/views/ClipboardCompareView.vue
index 10c8f833..038259cd 100644
--- a/src/views/ClipboardCompareView.vue
+++ b/src/views/ClipboardCompareView.vue
@@ -266,7 +266,10 @@ watch(
     toolbar-test-id-prefix="clipboard-toolbar"
     @toolbar-command="runClipboardToolbarCommand"
   >
-    <section class="clipboard-compare-view">
+    <section
+      class="clipboard-compare-view"
+      data-clipboard-chrome-density="capture-1to1"
+    >
       <section class="clipboard-toolbar">
         <NButton
           size="small"
@@ -327,7 +330,10 @@ watch(
       >
 
       <section class="clipboard-layout">
-        <aside class="history-pane">
+        <aside
+          class="history-pane"
+          data-clipboard-rows-density="capture-1to1"
+        >
           <header>
             <strong>{{ $t('ui.history') }}</strong>
             <span>{{ $t('status.entryCount', { count: history.length }) }}</span>
@@ -378,7 +384,7 @@ watch(
   display: grid;
   grid-template-columns: 1fr 1fr;
   align-items: center;
-  gap: 8px;
+  gap: 1px;
   min-height: 20px;
   padding: 0 2px;
 }
@@ -392,7 +398,7 @@ watch(
 .clipboard-compare-view {
   display: grid;
   grid-template-rows: auto auto minmax(0, 1fr);
-  gap: 2px;
+  gap: 4px;
   height: 100%;
   padding: 2px 4px;
   overflow: hidden;
@@ -402,10 +408,10 @@ watch(
   display: flex;
   flex-wrap: wrap;
   align-items: center;
-  gap: 2px 4px;
-  min-height: 20px;
-  padding: 1px 4px;
-  border: 1px solid var(--app-border);
+  gap: 4px 6px;
+  min-height: 22px;
+  padding: 2px 4px;
+  border: 1px solid #a0a0a0;
   border-radius: 0;
   background: var(--app-surface);
 }
@@ -413,6 +419,20 @@ watch(
 .status-chip {
   color: var(--app-text-muted);
   font-size: 11px;
+  line-height: 16px;
+}
+
+:deep(.clipboard-toolbar .n-button) {
+  --n-height: 18px;
+  --n-padding: 0 6px;
+  --n-font-size: 11px;
+
+  height: 18px;
+  min-height: 18px;
+  padding: 0 6px;
+  border-radius: 0;
+  font-size: 11px;
+  line-height: 16px;
 }
 
 .clipboard-layout {
@@ -426,7 +446,7 @@ watch(
 .diff-pane {
   min-width: 0;
   min-height: 0;
-  border: 1px solid var(--app-border);
+  border: 1px solid #a0a0a0;
   border-radius: 0;
   background: var(--app-surface);
 }
@@ -434,22 +454,22 @@ watch(
 .history-pane {
   display: grid;
   grid-template-rows: auto minmax(0, 1fr);
-  gap: 2px;
-  padding: 1px 4px;
+  gap: 4px;
+  padding: 4px 6px;
 }
 
 .history-pane header {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  gap: 4px;
-  min-height: 16px;
+  gap: 6px;
+  min-height: 20px;
 }
 
 .history-pane header span {
   color: var(--app-text-muted);
   font-size: 11px;
-  line-height: 14px;
+  line-height: 16px;
 }
 
 .history-list {
@@ -462,13 +482,15 @@ watch(
 .history-entry {
   display: grid;
   grid-template-columns: minmax(0, 1fr) auto;
-  gap: 0 4px;
-  min-height: 20px;
-  padding: 1px 4px;
-  border: 1px solid var(--app-border);
+  gap: 0 6px;
+  min-height: 18px;
+  padding: 2px 6px;
+  border: 1px solid #a0a0a0;
   border-radius: 0;
   background: var(--app-bg);
   color: var(--app-text);
+  font-size: 11px;
+  line-height: 16px;
   text-align: left;
   cursor: pointer;
 }
@@ -485,6 +507,7 @@ watch(
   overflow: hidden;
   color: var(--app-text-muted);
   font-size: 11px;
+  line-height: 16px;
   text-overflow: ellipsis;
   white-space: nowrap;
 }