diff --git a/src/govoplan_approvals/backend/manifest.py b/src/govoplan_approvals/backend/manifest.py
index 7e57858..067f1f7 100644
--- a/src/govoplan_approvals/backend/manifest.py
+++ b/src/govoplan_approvals/backend/manifest.py
@@ -23,6 +23,7 @@ from govoplan_core.core.modules import (
     ModuleManifest,
     NavItem,
     PermissionDefinition,
+    ProductAreaContribution,
     RoleTemplate,
 )
 from govoplan_core.core.provider_governance import declared_module_architecture
@@ -178,6 +179,17 @@ manifest = ModuleManifest(
                 order=37,
             ),
         ),
+        product_areas=(
+            ProductAreaContribution(
+                id="work",
+                module_id=MODULE_ID,
+                label="i18n:govoplan-core.product_area.work",
+                icon="list-checks",
+                description="i18n:govoplan-core.product_area.work_description",
+                surface_ids=("approvals.nav.approvals", "approvals.route.approvals"),
+                order=10,
+            ),
+        ),
         view_surfaces=(
             ViewSurface(
                 id="approvals.navigation",
diff --git a/webui/src/styles/approvals.css b/webui/src/styles/approvals.css
index 8986865..9aeea0c 100644
--- a/webui/src/styles/approvals.css
+++ b/webui/src/styles/approvals.css
@@ -1,31 +1,31 @@
 .approvals-page { height: 100%; min-height: 0; overflow: hidden; }
 .approvals-list-panel { display: flex; min-height: 0; flex-direction: column; }
 .approvals-list-viewport, .approvals-detail-viewport { min-height: 0; flex: 1; }
-.approvals-detail header span { color: var(--text-muted, #65717e); }
+.approvals-detail header span { color: var(--muted); }
 .approvals-workspace { display: flex; min-width: 0; min-height: 0; flex-direction: column; }
 .approvals-workspace > .action-blocker-hint { margin: 12px 16px 0; }
 .approvals-detail { padding: 16px 20px 28px; }
-.approvals-detail header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color, #d8dde3); }
+.approvals-detail header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
 .approvals-detail header > div:last-child { display: flex; align-items: center; gap: 8px; }
 .approvals-detail h2, .approvals-detail h3, .approval-editor-heading h3 { margin: 0; font-size: 1rem; letter-spacing: 0; }
-.approvals-detail section { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border-color, #d8dde3); }
+.approvals-detail section { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
 .approval-chain, .approval-history { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
-.approval-chain > div, .approval-history > div { display: grid; grid-template-columns: 32px minmax(120px, .6fr) minmax(0, 1fr) auto; align-items: center; gap: 10px; min-height: 40px; padding: 7px 9px; background: var(--surface-muted, rgba(127,137,147,.08)); }
-.approval-chain > div.is-current { border-left: 3px solid var(--accent-color, #36709a); }
+.approval-chain > div, .approval-history > div { display: grid; grid-template-columns: 32px minmax(120px, .6fr) minmax(0, 1fr) auto; align-items: center; gap: 10px; min-height: 40px; padding: 7px 9px; background: var(--surface-muted); }
+.approval-chain > div.is-current { border-left: 3px solid var(--data-category-blue); }
 .approval-chain em { font-size: .8rem; font-style: normal; }
 .approval-history > div { grid-template-columns: 32px minmax(0, 1fr) auto; }
-.approval-history time { color: var(--text-muted, #65717e); font-size: .82rem; }
+.approval-history time { color: var(--muted); font-size: .82rem; }
 .approval-request-dialog, .approval-template-dialog { width: min(1160px, calc(100vw - 32px)); height: min(860px, calc(100vh - 32px)); }
 .approval-editor { display: flex; min-height: 0; flex-direction: column; gap: 12px; overflow: auto; }
 .approval-editor-help { display: flex; justify-content: flex-end; }
 .approval-editor-wide { grid-column: 1 / -1; }
 .approval-editor-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
 .approval-step-list { display: flex; flex-direction: column; gap: 8px; }
-.approval-step-editor { display: flex; flex-direction: column; gap: 10px; padding: 10px; border: 1px solid var(--border-color, #d8dde3); border-radius: 4px; }
+.approval-step-editor { display: flex; flex-direction: column; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
 .approval-step-heading, .approval-selector-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
 .approval-step-heading > div { display: flex; align-items: center; gap: 4px; }
 .approval-step-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; gap: 8px; }
-.approval-selector-heading { padding-top: 8px; border-top: 1px solid var(--border-color, #d8dde3); }
+.approval-selector-heading { padding-top: 8px; border-top: 1px solid var(--line); }
 .approval-selector-list { display: flex; flex-direction: column; gap: 6px; }
 .approval-selector-list > div { display: grid; grid-template-columns: 180px minmax(160px, 1fr) minmax(160px, 1fr) 34px; align-items: end; gap: 8px; }
 .approval-template-history-dialog { width: min(1180px, calc(100vw - 32px)); height: min(820px, calc(100vh - 32px)); }