Update app.py

app.py

@@ -21,13 +21,7 @@ client = OpenAI(api_key=openai_key)
 
 VOICE_OPTIONS = {
     "Jenny (US, Female)": "en-US-JennyNeural",
-    "Aria (US, Female)": "en-US-AriaNeural",
-    "Ryan (UK, Male)": "en-GB-RyanNeural",
-    "Natasha (AU, Female)": "en-AU-NatashaNeural",
-    "William (AU, Male)": "en-AU-WilliamNeural",
-    "Libby (UK, Female)": "en-GB-LibbyNeural",
-    "Leah (SA, Female)": "en-ZA-LeahNeural",
-    "Luke (SA, Male)": "en-ZA-LukeNeural"
+    "Leah (SA, Female)": "en-ZA-LeahNeural"
 }
 
 st.set_page_config(page_title="LOR Technologies AI Assistant", layout="wide")
@@ -69,8 +63,8 @@ st.markdown("""
         display: flex;
         flex-direction: column;
         justify-content: flex-end;
-        height: 75vh;
-        margin-bottom: 6em;
+        height: calc(100vh - 220px);
+        margin-bottom: 5.5em;
     }
     .chat-history-wrapper {
         flex-grow: 1;
@@ -84,14 +78,31 @@ st.markdown("""
         margin: 0.5em 0;
     }
     .chat-input-bar {
-        position: fixed; bottom: 0; width: 100%; z-index: 100;
-        background: #191b22; padding: 0.6em 1em; border-top: 1px solid #22232c;
-        display: flex; align-items: center; gap: 0.5em; flex-wrap: nowrap;
+        position: fixed;
+        bottom: 0;
+        left: 0;
+        right: 0;
+        z-index: 100;
+        background: #191b22;
+        padding: 0.6em 1em;
+        border-top: 1px solid #22232c;
+        display: flex;
+        align-items: center;
+        gap: 0.5em;
+        flex-wrap: nowrap;
+    }
+    .chat-input-bar input {
+        flex-grow: 1;
+        font-size: 1.1em;
+        min-width: 10em;
     }
-    .chat-input-bar input { width: 100%; font-size: 1.1em; }
     .clear-chat-btn {
         flex: 0 0 auto;
-        background: none; border: none; font-size: 1.4em; color: #999; cursor: pointer;
+        background: none;
+        border: none;
+        font-size: 1.4em;
+        color: #999;
+        cursor: pointer;
     }
     </style>
 """, unsafe_allow_html=True)