Update app.py

app.py

@@ -37,7 +37,6 @@ st.set_page_config(
 )
 
 # Custom CSS for beautiful styling
-st.markdown("""
 <style>
 /* Clean app background */
 .stApp {
@@ -49,7 +48,7 @@ st.markdown("""
 /* Reduce main container padding */
 .main .block-container {
     padding-top: 0.5rem;
-    padding-bottom: 3rem;
+    padding-bottom: 120px !important; /* Increased for fixed chat input */
     max-width: 100%;
 }
 
@@ -228,69 +227,76 @@ st.markdown("""
     border: 1px solid #f5c2c7;
 }
 
-/* Chat input styling - Fixed alignment */
-.stChatInput {
-    border-radius: 12px !important;
-    border: 2px solid #e5e7eb !important;
+/* FIXED CHAT INPUT STYLING */
+[data-testid="stChatInput"] {
+    position: fixed !important;
+    bottom: 0 !important;
+    left: 0 !important;
+    right: 0 !important;
     background: #ffffff !important;
-    padding: 0.75rem 1rem !important;
-    font-size: 1rem !important;
-    width: 100% !important;
+    border-top: 1px solid #e5e7eb !important;
+    padding: 1rem !important;
+    z-index: 1000 !important;
+    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
+}
+
+/* Adjust for sidebar on larger screens */
+@media (min-width: 768px) {
+    [data-testid="stChatInput"] {
+        margin-left: 21rem !important;
+    }
+}
+
+[data-testid="stChatInput"] > div {
     max-width: none !important;
-    margin: 0 !important;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
-    transition: all 0.2s ease !important;
+    width: 100% !important;
 }
 
-.stChatInput:focus {
-    border-color: #3b82f6 !important;
-    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
-    outline: none !important;
+[data-testid="stChatInput"] .stChatInputContainer {
+    border-radius: 12px !important;
+    border: 2px solid #e5e7eb !important;
+    background: #ffffff !important;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
+    overflow: hidden !important;
 }
 
-/* Chat input container */
-.stChatInput > div {
-    padding: 0 !important;
-    margin: 0 !important;
+[data-testid="stChatInput"] .stChatInputContainer:focus-within {
+    border-color: #3b82f6 !important;
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), 0 2px 8px rgba(0, 0, 0, 0.1) !important;
 }
 
-/* Chat input text area */
-.stChatInput textarea {
+[data-testid="stChatInput"] textarea {
     border: none !important;
     background: transparent !important;
-    padding: 0 !important;
-    margin: 0 !important;
+    padding: 0.75rem 1rem !important;
     font-size: 1rem !important;
     line-height: 1.5 !important;
     resize: none !important;
     outline: none !important;
+    font-family: 'Segoe UI', sans-serif !important;
 }
 
-/* Chat input placeholder */
-.stChatInput textarea::placeholder {
+[data-testid="stChatInput"] textarea::placeholder {
     color: #9ca3af !important;
     font-style: normal !important;
 }
 
-/* Fix the main chat input container alignment */
-[data-testid="stChatInput"] {
-    position: fixed !important;
-    bottom: 0 !important;
-    left: 0 !important;
-    right: 0 !important;
-    background: #ffffff !important;
-    border-top: 1px solid #e5e7eb !important;
-    padding: 1rem !important;
-    z-index: 1000 !important;
-    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
+[data-testid="stChatInput"] button {
+    background: #3b82f6 !important;
+    color: white !important;
+    border: none !important;
+    border-radius: 8px !important;
+    padding: 0.5rem 1rem !important;
+    font-weight: 600 !important;
+    margin-left: 0.5rem !important;
+    transition: background-color 0.2s ease !important;
 }
 
-/* Adjust main content to account for fixed chat input */
-.main .block-container {
-    padding-bottom: 100px !important;
+[data-testid="stChatInput"] button:hover {
+    background: #2563eb !important;
 }
 
-/* Alternative: If you prefer inline chat input (not fixed) */
+/* Alternative: Inline chat input (comment out fixed version above and uncomment below) */
 /*
 [data-testid="stChatInput"] {
     background: #f8fafc !important;
@@ -302,26 +308,50 @@ st.markdown("""
 }
 */
 
-/* Chat input button styling */
-[data-testid="stChatInput"] button {
-    background: #3b82f6 !important;
-    color: white !important;
-    border: none !important;
-    border-radius: 8px !important;
-    padding: 0.5rem 1rem !important;
-    font-weight: 600 !important;
-    transition: background-color 0.2s ease !important;
+/* Button */
+.stButton > button {
+    background-color: #0d6efd;
+    color: white;
+    border-radius: 6px;
+    padding: 0.5rem 1.25rem;
+    border: none;
+    font-weight: 600;
+    transition: background-color 0.2s ease;
 }
 
-[data-testid="stChatInput"] button:hover {
-    background: #2563eb !important;
+.stButton > button:hover {
+    background-color: #0b5ed7;
 }
 
-/* Ensure proper spacing from sidebar */
-@media (min-width: 768px) {
-    [data-testid="stChatInput"] {
-        margin-left: 21rem !important; /* Account for sidebar width */
-    }
+/* Sidebar button styling - smaller, left-aligned */
+[data-testid="stSidebar"] .stButton > button {
+    background-color: #f8fafc;
+    color: #475569;
+    border: 1px solid #e2e8f0;
+    padding: 0.375rem 0.75rem;
+    font-size: 0.65rem;
+    font-weight: normal;
+    text-align: left;
+    white-space: normal;
+    height: auto;
+    line-height: 1.2;
+    transition: all 0.2s ease;
+    cursor: pointer;
+    margin-bottom: 0.25rem;
+    width: 100%;
+    display: flex;
+    justify-content: flex-start;
+}
+
+[data-testid="stSidebar"] .stButton > button:hover {
+    background-color: #e0f2fe;
+    border-color: #0ea5e9;
+    color: #0c4a6e;
+}
+
+[data-testid="stSidebar"] .stButton > button:active {
+    transform: translateY(0);
+    box-shadow: none;
 }
 
 /* Code container styling */