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app.py

@@ -438,6 +438,18 @@ body { background-color: #f4f6f9; }
 /* ── Accordion ── */
 .accordion-button { font-weight: 600; }
 .accordion-item   { border-left: 4px solid #1a73e8 !important; margin-bottom: 6px; border-radius: 6px !important; }
+
+/* ── Tab fade-in animation ── */
+@keyframes tabFadeIn {
+    from { opacity: 0; transform: translateY(8px); }
+    to   { opacity: 1; transform: translateY(0); }
+}
+#tab-content > * {
+    animation: tabFadeIn 0.25s ease forwards;
+}
+.tab-content > .tab-pane.active {
+    animation: tabFadeIn 0.25s ease forwards;
+}
 """
 
 app = dash.Dash(