diff --git a/packages/core/src/TabList/Tab.tsx b/packages/core/src/TabList/Tab.tsx
index eeccdfe69e3..dfa5fc593b0 100644
--- a/packages/core/src/TabList/Tab.tsx
+++ b/packages/core/src/TabList/Tab.tsx
@@ -105,18 +105,7 @@ const styles = stylex.create({
     alignItems: 'center',
     justifyContent: 'center',
     gap: spacingVars['--spacing-1'],
-    // The edge stop of a full-bleed strip pads back in by the container's
-    // padding, so its label still lands on the container's content inset.
-    '--_tab-inset-start': {
-      default: spacingVars['--spacing-3'],
-      ':first-child': `var(--_tab-edge-inset-start, ${spacingVars['--spacing-3']})`,
-    },
-    '--_tab-inset-end': {
-      default: spacingVars['--spacing-3'],
-      ':last-child': `var(--_tab-edge-inset-end, ${spacingVars['--spacing-3']})`,
-    },
-    paddingInlineStart: 'var(--_tab-inset-start)',
-    paddingInlineEnd: 'var(--_tab-inset-end)',
+    paddingInline: spacingVars['--spacing-3'],
     backgroundColor: 'transparent',
     borderWidth: 0,
     borderStyle: 'none',
@@ -164,8 +153,8 @@ const styles = stylex.create({
     // with a bottom divider — that ancestor sets `--_tab-indicator-bottom`
     // to drop the indicator onto the rail beneath the reserved gap.
     bottom: 'var(--_tab-indicator-bottom, -1px)',
-    insetInlineStart: `var(--_tab-inset-start, ${spacingVars['--spacing-3']})`,
-    insetInlineEnd: `var(--_tab-inset-end, ${spacingVars['--spacing-3']})`,
+    insetInlineStart: spacingVars['--spacing-3'],
+    insetInlineEnd: spacingVars['--spacing-3'],
     height: '2px',
     borderRadius: radiusVars['--radius-full'],
     pointerEvents: 'none',
diff --git a/packages/core/src/TabList/TabList.tsx b/packages/core/src/TabList/TabList.tsx
index 3cf93bb2b64..5a29293d8dd 100644
--- a/packages/core/src/TabList/TabList.tsx
+++ b/packages/core/src/TabList/TabList.tsx
@@ -115,16 +115,16 @@ export interface TabListProps extends Omit<BaseProps<HTMLElement>, 'onChange'> {
   /**
    * Bleeds the strip out to its container's content edges.
    *
-   * Two things move, and both are computed from the `--container-padding-*`
-   * custom properties a padded Layout container publishes. The strip's box is
-   * pulled out through the container's inline padding, so a `hasDivider`
-   * underline — or the header's own divider, when the strip is docked on it —
-   * spans the full content width. The first and last stop then pad that same
-   * amount back in, so their labels still land on the container's content
-   * inset rather than 4px short of it.
+   * Both halves are computed from the `--container-padding-*` custom
+   * properties a padded Layout container publishes. The strip's box is pulled
+   * out through the container's inline padding, so a `hasDivider` underline —
+   * or the header's own divider, when the strip is docked on it — spans the
+   * full content width. The strip then pads back in by whatever that bleed
+   * exceeds a stop's own inline padding, so the first and last label still
+   * land on the container's content inset rather than 4px short of it.
    *
-   * Outside a padded container the properties are unset and the fallbacks
-   * leave the strip exactly as it was.
+   * Outside a padded container the properties are unset, the pad-back clamps
+   * to zero, and the strip is left exactly as it was.
    * @default false
    */
   isFullBleed?: boolean;
@@ -182,6 +182,17 @@ export interface TabListProps extends Omit<BaseProps<HTMLElement>, 'onChange'> {
 const RING_BLEED = `calc(${focusVars['--focus-outline-width']} + ${focusVars['--focus-outline-offset']})`;
 const BLEED_VAR = '--_tab-strip-bleed';
 const BLEED = `var(${BLEED_VAR})`;
+
+/**
+ * A stop's own inline padding, restated here because a full-bleed strip has to
+ * subtract it: the strip pads back in only the part of the container's padding
+ * the stop does not already supply, so the edge label lands on the content
+ * inset. Kept in step with `Tab`/`TabMenu`'s `paddingInline` by hand — the
+ * import would be circular.
+ */
+const STOP_INLINE_PADDING = spacingVars['--spacing-3'];
+const EDGE_PAD_START = `max(var(--container-padding-inline-start, 0px) - ${STOP_INLINE_PADDING}, 0px)`;
+const EDGE_PAD_END = `max(var(--container-padding-inline-end, 0px) - ${STOP_INLINE_PADDING}, 0px)`;
 const INDICATOR_BLEED = 'calc(-1 * var(--_tab-indicator-bottom, -1px))';
 const BLOCK_END_BLEED = `max(${BLEED}, ${INDICATOR_BLEED})`;
 
@@ -233,20 +244,23 @@ const styles = stylex.create({
     '--_tab-indicator-bottom': `calc(-1 * (${spacingVars['--spacing-1']} + ${borderVars['--border-width']}))`,
   },
   fullBleed: {
-    // Half one: the box. Cancel the container's inline padding so the strip
-    // reaches its content edges. Same spelling as Divider's `isFullBleed`.
+    // Cancel the container's inline padding so the strip's box reaches its
+    // content edges. Same spelling as Divider's `isFullBleed`.
     marginInlineStart: 'calc(-1 * var(--container-padding-inline-start, 0px))',
     marginInlineEnd: 'calc(-1 * var(--container-padding-inline-end, 0px))',
     // The `nav` base clamps to 100%, which would pull the widened box back.
     maxWidth: 'none',
     width:
       'calc(100% + var(--container-padding-inline-start, 0px) + var(--container-padding-inline-end, 0px))',
-    // Half two: the content. Publish the amount the edge stops pad back in.
-    // `max(…, --spacing-2)` is Table's `containerEdgeStyles` clamp: a stop
-    // never insets less than 8px, and an unpadded container (the properties
-    // are unset) falls through to the tab's own inset, changing nothing.
-    '--_tab-edge-inset-start': `max(var(--container-padding-inline-start, ${spacingVars['--spacing-3']}), ${spacingVars['--spacing-2']})`,
-    '--_tab-edge-inset-end': `max(var(--container-padding-inline-end, ${spacingVars['--spacing-3']}), ${spacingVars['--spacing-2']})`,
+  },
+  // Put back the part of the bleed a stop's own inline padding does not
+  // already supply, so the first and last label land on the container's
+  // content inset while their boxes still hang out over it. Sits after
+  // `stripScroll` because both write the strip's inline padding; the ring
+  // bleed is carried through so the negative margin there still cancels it.
+  fullBleedStrip: {
+    paddingInlineStart: `calc(var(${BLEED_VAR}, 0px) + ${EDGE_PAD_START})`,
+    paddingInlineEnd: `calc(var(${BLEED_VAR}, 0px) + ${EDGE_PAD_END})`,
   },
   strip: {
     display: 'flex',
@@ -675,6 +689,7 @@ export function TabList({
             stylex.props(
               styles.strip,
               hasScroll && styles.stripScroll,
+              isFullBleed && styles.fullBleedStrip,
               fadeStyle,
             ),
           )}>
diff --git a/packages/core/src/TabList/TabMenu.tsx b/packages/core/src/TabList/TabMenu.tsx
index 6e2dd4851ef..e2cb390a855 100644
--- a/packages/core/src/TabList/TabMenu.tsx
+++ b/packages/core/src/TabList/TabMenu.tsx
@@ -78,18 +78,7 @@ const styles = stylex.create({
     alignItems: 'center',
     justifyContent: 'center',
     gap: spacingVars['--spacing-1'],
-    // Mirrors Tab: the edge stop of a full-bleed strip pads back in by the
-    // container's padding.
-    '--_tab-inset-start': {
-      default: spacingVars['--spacing-3'],
-      ':first-child': `var(--_tab-edge-inset-start, ${spacingVars['--spacing-3']})`,
-    },
-    '--_tab-inset-end': {
-      default: spacingVars['--spacing-3'],
-      ':last-child': `var(--_tab-edge-inset-end, ${spacingVars['--spacing-3']})`,
-    },
-    paddingInlineStart: 'var(--_tab-inset-start)',
-    paddingInlineEnd: 'var(--_tab-inset-end)',
+    paddingInline: spacingVars['--spacing-3'],
     backgroundColor: 'transparent',
     borderWidth: 0,
     borderStyle: 'none',
@@ -135,8 +124,8 @@ const styles = stylex.create({
     // drops onto the divider rail when an ancestor (TabList `hasDivider` or a
     // Toolbar with a bottom divider) sets `--_tab-indicator-bottom`.
     bottom: 'var(--_tab-indicator-bottom, -1px)',
-    insetInlineStart: `var(--_tab-inset-start, ${spacingVars['--spacing-3']})`,
-    insetInlineEnd: `var(--_tab-inset-end, ${spacingVars['--spacing-3']})`,
+    insetInlineStart: spacingVars['--spacing-3'],
+    insetInlineEnd: spacingVars['--spacing-3'],
     height: '2px',
     borderRadius: radiusVars['--radius-full'],
     pointerEvents: 'none',