Update app.py

app.py

@@ -340,13 +340,15 @@ custom_css = """
     #component-0 { height: 100vh; overflow-y: auto; padding: 1rem; box-sizing: border-box; }
     .container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; height: 100%; }
     .header { text-align: center; margin-bottom: 1rem; }
-    .main-content { display: flex; flex-wrap: wrap; gap: 1rem; flex-grow: 1; overflow-y: auto; }
+    .main-content { display: flex; flex-wrap: wrap; gap: 1rem; flex-grow: 1; overflow-y: auto; max-height: calc(100vh - 150px); }
     .input-section, .segment-controls, .options-section, .output-section {
         background-color: var(--neutral-color);
         border-radius: var(--border-radius);
         padding: 1rem;
         box-shadow: 0 2px 4px rgba(0,0,0,0.1);
         flex: 1 1 300px;
+        max-height: 100%;
+        overflow-y: auto;
     }
     .segment-input, .time-input, .button-row {
         display: flex;