diff --git a/.changeset/web-sidebar-rows.md b/.changeset/web-sidebar-rows.md
new file mode 100644
index 00000000..d97d6551
--- /dev/null
+++ b/.changeset/web-sidebar-rows.md
@@ -0,0 +1,5 @@
+---
+"@pymodel/pythinker-code": patch
+---
+
+Quieten the sidebar session rows. Hover becomes a translucent wash instead of a solid fill, the selected row becomes a faint tint instead of a solid accent, and the radius and sizing match the shared menu row, so the row scales with the UI font-size setting. The same change is applied to the per-theme overrides, so all three themes agree.
diff --git a/apps/pythinker-web/src/components/SessionRow.vue b/apps/pythinker-web/src/components/SessionRow.vue
index b0d0a8da..db7b33d3 100644
--- a/apps/pythinker-web/src/components/SessionRow.vue
+++ b/apps/pythinker-web/src/components/SessionRow.vue
@@ -227,15 +227,20 @@ defineExpose({ closeMenu, cancelArchive });
 .se {
   /* --sb-* vars come from .side in Sidebar.vue. The outer margin and reduced
      inner padding keep the title at --sb-pad-x + --sb-gutter + --sb-gap. */
+  /* Default 14px: 14 + 13 = 27px; 14 - 1 = 13px. A MINIMUM, not a fixed
+     height: the row also carries an 18px tag pill and the archive-confirm
+     strip, and a fixed height would clip both. */
   display: block;
   margin: 0 8px;
-  padding: 7px calc(var(--sb-pad-x, 12px) - 8px);
-  border-radius: 8px;
+  padding: 4px calc(var(--sb-pad-x, 12px) - 8px);
+  min-height: calc(var(--ui-font-size) + 13px);
+  box-sizing: border-box;
+  border-radius: var(--r-md);
   cursor: pointer;
   position: relative;
 }
-.se:hover { background: var(--panel2); }
-.se.on { background: var(--soft); }
+.se:hover { background: var(--hover); }
+.se.on { background: color-mix(in srgb, var(--soft) 45%, var(--panel)); }
 
 .row {
   display: flex;
@@ -278,7 +283,7 @@ defineExpose({ closeMenu, cancelArchive });
 
 .t {
   color: var(--ink);
-  font-size: var(--ui-font-size);
+  font-size: calc(var(--ui-font-size) - 1px);
   font-weight: 400;
   flex: 1;
   min-width: 0;
diff --git a/apps/pythinker-web/src/components/Sidebar.vue b/apps/pythinker-web/src/components/Sidebar.vue
index 2c462def..6c9204e9 100644
--- a/apps/pythinker-web/src/components/Sidebar.vue
+++ b/apps/pythinker-web/src/components/Sidebar.vue
@@ -894,7 +894,7 @@ onBeforeUnmount(() => {
 }
 .ws-head-label {
   color: var(--muted);
-  font-size: var(--ui-font-size);
+  font-size: calc(var(--ui-font-size) - 2px);
   min-width: 0;
 }
 .ws-head-actions {
diff --git a/apps/pythinker-web/src/style.css b/apps/pythinker-web/src/style.css
index 006f84cf..fc544525 100644
--- a/apps/pythinker-web/src/style.css
+++ b/apps/pythinker-web/src/style.css
@@ -349,14 +349,14 @@ html[data-color-scheme="dark"][data-theme="modern"] {
    .sessions because .se is also a (different) class in MobileTopBar. */
 :is(html[data-theme="modern"], html[data-theme="pythinker"]) .sessions .se {
   margin: 1px 6px;
-  border-radius: var(--r-sm);
+  border-radius: var(--r-md);
   /* Trim the row padding by the inset margin so the title still starts at the
      same x as the workspace name (whose header has no inset). */
   padding: 7px calc(var(--sb-pad-x, 12px) - 6px);
 }
-:is(html[data-theme="modern"], html[data-theme="pythinker"]) .sessions .se:hover { background: var(--panel2); }
+:is(html[data-theme="modern"], html[data-theme="pythinker"]) .sessions .se:hover { background: var(--hover); }
 :is(html[data-theme="modern"], html[data-theme="pythinker"]) .sessions .se.on {
-  background: var(--soft);
+  background: color-mix(in srgb, var(--soft) 45%, var(--panel));
 }
 
 /* Tab bar → clean white strip with a single hairline.
diff --git a/apps/pythinker-web/test/session-row.test.ts b/apps/pythinker-web/test/session-row.test.ts
index 23705c8b..d546fead 100644
--- a/apps/pythinker-web/test/session-row.test.ts
+++ b/apps/pythinker-web/test/session-row.test.ts
@@ -4,6 +4,8 @@
 // task), and surfaces the 5-state lifecycle status: awaiting shows its pending
 // tag, aborted shows a distinct "stopped" tag — neither spins.
 
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
 import { mount } from '@vue/test-utils';
 import { createI18n } from 'vue-i18n';
 import { describe, expect, it } from 'vitest';
@@ -21,6 +23,30 @@ const i18n = createI18n({
   fallbackWarn: false,
 });
 
+const sessionRowSource = readFileSync(
+  resolve(import.meta.dirname, '../src/components/SessionRow.vue'),
+  'utf8',
+);
+const sessionRowStyle = sessionRowSource.match(/<style scoped>([\s\S]*?)<\/style>/u)?.[1];
+if (!sessionRowStyle) throw new Error('SessionRow.vue must have a scoped style block');
+
+const sidebarSource = readFileSync(
+  resolve(import.meta.dirname, '../src/components/Sidebar.vue'),
+  'utf8',
+);
+const sidebarStyle = sidebarSource.match(/<style scoped>([\s\S]*?)<\/style>/u)?.[1];
+if (!sidebarStyle) throw new Error('Sidebar.vue must have a scoped style block');
+
+const globalStyleSource = readFileSync(
+  resolve(import.meta.dirname, '../src/style.css'),
+  'utf8',
+);
+
+function declarations(source: string, selector: string): string {
+  const escaped = selector.replaceAll(/[.*+?^${}()|[\]\\]/g, '\\$&');
+  return source.match(new RegExp(`(?:^|\\n)${escaped}\\s*\\{([^}]*)\\}`, 'u'))?.[1] ?? '';
+}
+
 function row(session: Partial<Session>, extra: Record<string, unknown> = {}) {
   const full: Session = { id: 's1', title: 'Demo', time: '1m', status: 'idle', busy: false, ...session };
   return mount(SessionRow, {
@@ -57,3 +83,73 @@ describe('SessionRow status / busy', () => {
     expect(w.find('.tag-aborted').exists()).toBe(false);
   });
 });
+
+describe('SessionRow design tokens', () => {
+  it('uses the translucent hover token instead of a solid panel fill', () => {
+    const hover = declarations(sessionRowStyle, '.se:hover');
+
+    expect(hover).toContain('background: var(--hover)');
+    expect(hover).not.toContain('var(--panel2)');
+  });
+
+  it('uses MenuRow\'s mixed wash for the selected row', () => {
+    const selected = declarations(sessionRowStyle, '.se.on');
+
+    expect(selected).toContain('background: color-mix(in srgb, var(--soft) 45%, var(--panel))');
+    expect(selected).not.toContain('background: var(--soft)');
+  });
+
+  it('uses the medium radius token for the row', () => {
+    expect(declarations(sessionRowStyle, '.se')).toContain('border-radius: var(--r-md)');
+  });
+
+  it('keeps the modern and pythinker row overrides aligned', () => {
+    const themedRow = ':is(html[data-theme="modern"], html[data-theme="pythinker"]) .sessions .se';
+
+    expect(declarations(globalStyleSource, themedRow)).toContain('border-radius: var(--r-md)');
+    expect(declarations(globalStyleSource, `${themedRow}:hover`)).toContain('background: var(--hover)');
+    expect(declarations(globalStyleSource, `${themedRow}.on`)).toContain(
+      'background: color-mix(in srgb, var(--soft) 45%, var(--panel))',
+    );
+  });
+
+  it('derives row height and title size from the UI font size', () => {
+    const rowStyle = declarations(sessionRowStyle, '.se');
+    const titleStyle = declarations(sessionRowStyle, '.t');
+
+    expect(rowStyle).toContain('min-height: calc(var(--ui-font-size) + 13px)');
+    // A MINIMUM, never a fixed height — the row also carries an 18px tag pill
+    // and the archive-confirm strip, and a fixed height clips both.
+    expect(rowStyle).not.toMatch(/(^|[^-])height:\s*calc/u);
+    expect(rowStyle).toContain('box-sizing: border-box');
+    expect(titleStyle).toContain('font-size: calc(var(--ui-font-size) - 1px)');
+    expect(sessionRowStyle).toContain('Default 14px: 14 + 13 = 27px; 14 - 1 = 13px.');
+  });
+
+  it('keeps the selected row title visibly bolder', () => {
+    const wrapper = row({}, { active: true });
+
+    expect(wrapper.find('.se').classes()).toContain('on');
+    expect(declarations(sessionRowStyle, '.se.on .t')).toContain('font-weight: 500');
+  });
+
+  it('keeps the SessionRow free of dark utilities and new color literals', () => {
+    // The one literal that predates the token migration. Anything else is a new
+    // hardcoded colour, which breaks two of the three themes. Listed explicitly
+    // rather than diffed against git, so the check still bites after it lands.
+    const allowed = new Set(['rgba(0,0,0,0.08)']);
+    const colorLiterals = sessionRowSource.match(/#[0-9a-f]{3,8}|rgba?\([^)]*\)/giu) ?? [];
+
+    expect(sessionRowSource).not.toMatch(/\bdark:/u);
+    expect(colorLiterals.filter((literal) => !allowed.has(literal))).toEqual([]);
+  });
+});
+
+describe('Sidebar section heading styling', () => {
+  it('uses a quiet relative size for the workspace section label', () => {
+    const heading = declarations(sidebarStyle, '.ws-head-label');
+
+    expect(heading).toContain('color: var(--muted)');
+    expect(heading).toContain('font-size: calc(var(--ui-font-size) - 2px)');
+  });
+});