Modernize gallery UI and fix nav motion

resources/js/guest/lib/__tests__/motion.test.ts

@@ -1,4 +1,4 @@
-import { getMotionContainerPropsForNavigation, STAGGER_FAST } from '../motion';
+import { getMotionContainerPropsForNavigation, getMotionItemPropsForNavigation, STAGGER_FAST, FADE_UP } from '../motion';
 
 describe('getMotionContainerPropsForNavigation', () => {
   it('returns initial hidden for POP navigation', () => {
@@ -23,3 +23,25 @@ describe('getMotionContainerPropsForNavigation', () => {
     });
   });
 });
+
+describe('getMotionItemPropsForNavigation', () => {
+  it('returns animate props for POP navigation', () => {
+    expect(getMotionItemPropsForNavigation(true, FADE_UP, 'POP')).toEqual({
+      variants: FADE_UP,
+      initial: 'hidden',
+      animate: 'show',
+    });
+  });
+
+  it('skips initial animation for PUSH navigation', () => {
+    expect(getMotionItemPropsForNavigation(true, FADE_UP, 'PUSH')).toEqual({
+      variants: FADE_UP,
+      initial: false,
+      animate: 'show',
+    });
+  });
+
+  it('returns empty props when motion disabled', () => {
+    expect(getMotionItemPropsForNavigation(false, FADE_UP, 'POP')).toEqual({});
+  });
+});