beautified the UI

.gitignore

@@ -6,4 +6,7 @@ app_local.py
 ecommerce_duckdb.ipynb
 openrouter_testings.ipynb
 appBackup.py
-prompt_instructions.txt
+prompt_instructions.txt
+app_localBackup.py
+streamlit_app.log
+streamlit_app_8502.log

app.py

@@ -1,6 +1,9 @@
 import streamlit as st
 from tempfile import NamedTemporaryFile
 
+# Page-level look and feel
+st.set_page_config(page_title="Document & Data Copilot", page_icon="💬", layout="wide")
+
 import pprint
 import re
 import os
@@ -26,16 +29,6 @@ if not OPEN_ROUTER_KEY:
     st.warning("Please enter your OpenRouter API Key to proceed.")
     st.stop()
 
-try:
-    pswdVal = st.experimental_get_query_params()['pwd'][0]
-    if pswdVal==st.secrets["PSWD"]:
-        isPswdValid = True
-except:
-    pass
-
-if not isPswdValid:
-    st.write("Invalid Password")
-
 def call_openrouter(content: str) -> str:
     """Send a chat request to OpenRouter and return a safe string response."""
     try:
@@ -302,43 +295,241 @@ radioButtonList = ["E-commerce CSV (https://www.kaggle.com/datasets/mervemenekse
 f"URL Chat with Google's Latest Earnings ({defaultGoogleURL})",
 "Enter my own URL"]
 
-# Add some designs to the radio buttons
+# Visual polish
 st.markdown("""
 <style>
-.stRadio {
-  padding: 10px;
-  border-radius: 5px;
-  background-color: #f5f5f5;
+@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');
+
+html, body, [class*="css"] {
+  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
+}
+
+.stApp {
+  background: radial-gradient(circle at 20% 20%, #e2f2ff 0, #f8fafc 50%, #ffffff 100%);
+  color: #0f172a;
+}
+
+.block-container {
+  padding-top: 1.5rem;
+  padding-bottom: 3rem;
+  padding-left: 2.5rem;
+  padding-right: 2.5rem;
 }
 
-.stRadio input[type="radio"] {
+.hero {
+  position: relative;
+  overflow: hidden;
+  padding: 1.5rem 1.8rem;
+  border-radius: 18px;
+  border: 1px solid #e5e7eb;
+  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(16,185,129,0.08));
+  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
+}
+
+.hero:before {
+  content: "";
   position: absolute;
-  opacity: 0;
-  cursor: pointer;
+  right: -120px;
+  top: -80px;
+  width: 260px;
+  height: 260px;
+  background: radial-gradient(circle, rgba(59,130,246,0.15), transparent 55%);
+  filter: blur(6px);
+}
+
+.hero h1 {
+  margin: 0.15rem 0 0.35rem 0;
+  font-size: 2rem;
+  line-height: 1.2;
+  letter-spacing: -0.02em;
+  color: #0f172a;
 }
 
-.stRadio label {
+.hero p {
+  color: #0f172a;
+  opacity: 0.9;
+}
+
+.eyebrow {
+  text-transform: uppercase;
+  letter-spacing: 0.14em;
+  font-size: 0.75rem;
+  font-weight: 700;
+  color: #0ea5e9;
+  margin: 0;
+}
+
+.pill-row {
   display: flex;
-  justify-content: center;
+  gap: 0.5rem;
+  flex-wrap: wrap;
+  margin-top: 0.85rem;
+}
+
+.pill {
+  padding: 0.35rem 0.65rem;
+  border-radius: 10px;
+  background: rgba(15, 23, 42, 0.08);
+  font-size: 0.85rem;
+  font-weight: 600;
+}
+
+.section-label {
+  font-size: 0.85rem;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: #475569;
+  margin-bottom: 0.2rem;
+  font-weight: 700;
+}
+
+.section-card {
+  background: #ffffff;
+  border: 1px solid #e5e7eb;
+  border-radius: 16px;
+  padding: 1.1rem 1.2rem;
+  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
+}
+
+.section-card.compact {
+  padding: 0.9rem 1rem;
+  margin-top: 0.5rem;
+}
+
+.prompt-chip {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.35rem;
+  padding: 0.5rem 0.75rem;
+  border-radius: 12px;
+  background: #0ea5e911;
+  border: 1px solid #bae6fd;
+  color: #0f172a;
+  font-weight: 600;
+}
+
+.status-pill {
+  display: inline-flex;
   align-items: center;
-  cursor: pointer;
-  font-size: 16px;
-  color: #333;
+  gap: 0.35rem;
+  padding: 0.45rem 0.7rem;
+  border-radius: 999px;
+  border: 1px solid #e2e8f0;
+  font-weight: 600;
+  font-size: 0.9rem;
 }
 
-.stRadio label:hover {
-  color: #000;
+.status-pill.ready {
+  background: #ecfeff;
+  border-color: #a5f3fc;
+  color: #0f172a;
 }
 
-.stRadio.st-selected input[type="radio"] ~ label {
-  color: #000;
-  background-color: #d9d9d9;
+.status-pill.idle {
+  background: #f8fafc;
+  border-color: #e2e8f0;
+  color: #475569;
+}
+
+.stRadio div[role="radiogroup"] {
+  display: grid;
+  gap: 0.4rem;
+}
+
+.stRadio div[role="radio"] {
+  border: 1px solid #e2e8f0;
+  padding: 0.85rem 1rem;
+  border-radius: 12px;
+  background: #f8fafc;
+  transition: all 0.18s ease-in-out;
+  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
+}
+
+.stRadio div[role="radio"][aria-checked="true"] {
+  border-color: #2563eb;
+  background: #ffffff;
+  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.15);
+}
+
+.stRadio div[role="radio"]:hover {
+  border-color: #3b82f6;
+  transform: translateY(-1px);
+}
+
+.stTextInput>div>div>input {
+  border-radius: 12px;
+  border: 1px solid #e2e8f0;
+  background: #ffffff;
+  padding: 0.75rem 0.85rem;
+}
+
+.stTextInput>div>div>input:focus {
+  border-color: #2563eb;
+  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
+}
+
+.stFileUploader {
+  border-radius: 14px;
+  border: 1px dashed #cbd5e1;
+  padding: 0.4rem 0.75rem 0.75rem 0.75rem;
+  background: #f8fafc;
+}
+
+.stButton>button {
+  background: linear-gradient(135deg, #2563eb, #0ea5e9);
+  color: #ffffff;
+  border: none;
+  padding: 0.75rem 1.35rem;
+  border-radius: 12px;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+  box-shadow: 0 12px 30px rgba(14, 165, 233, 0.28);
+  transition: transform 0.12s ease, box-shadow 0.12s ease;
+}
+
+.stButton>button:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 16px 38px rgba(37, 99, 235, 0.32);
+}
+
+.stButton>button:active {
+  transform: translateY(0);
+}
+
+.stButton>button:disabled {
+  background: #e2e8f0;
+  color: #94a3b8;
+  box-shadow: none;
 }
 </style>
 """, unsafe_allow_html=True)
 
+st.markdown("""
+<div class="hero">
+  <p class="eyebrow">Document & Data Copilot</p>
+  <h1>Chat with your PDFs, spreadsheets, or live web pages.</h1>
+  <p>Upload or pick a preset, ask a focused question, and get a clear answer without digging through the source yourself.</p>
+  <div class="pill-row">
+    <span class="pill">Summaries</span>
+    <span class="pill">Follow-up questions</span>
+    <span class="pill">Trends & metrics</span>
+    <span class="pill">Plain-language insights</span>
+  </div>
+</div>
+""", unsafe_allow_html=True)
+
+info_left, info_right = st.columns([1.05, 1])
+with info_left:
+    st.markdown("#### What you can do")
+    st.markdown("- Skim long PDFs in a few bullet points\n- Ask for top performers or outliers in CSVs\n- Pull key quotes or facts from a URL\n- Iterate with follow-up questions to refine")
+
+with info_right:
+    st.markdown("#### Quick tips")
+    st.markdown("- Keep prompts short and specific\n- Mention the format you want (bullets, table, headline)\n- Ask one question at a time for best results\n- You can chain questions; context is remembered")
+
+st.markdown("### Choose a source to explore")
 genre = st.radio(
-    "Tired of reading your files? Chat with it using AI! Choose dataset to finetune", radioButtonList, index=0
+    "Pick the content you want to chat with", radioButtonList, index=0, key="source_radio"
 )
 
 pdfCSVURLText = ""
@@ -377,6 +568,19 @@ else: # Default,  E-commerce CSV
         )
         st.info(f"{DEFAULT_ECOMMERCE_CSV} not found. Using an inline sample instead. Upload your own CSV if you need the full dataset.")
 
+st.markdown("### Add your data")
+st.caption("Upload a CSV/PDF or paste a URL. The built-in e-commerce sample is ready immediately.")
+if exampleQuestion:
+    st.markdown(
+        f"""
+        <div class="section-card compact">
+            <div class="section-label">Suggested prompt</div>
+            <div class="prompt-chip">{exampleQuestion}</div>
+        </div>
+        """,
+        unsafe_allow_html=True,
+    )
+
 isCustomURL = genre==radioButtonList[4]
 urlInput = st.text_input('Enter your own URL', '', placeholder=f"Type your URL here (e.g. {defaultGoogleURL})", disabled=not isCustomURL)
 
@@ -414,6 +618,12 @@ elif genre==radioButtonList[4]: # Custom URL
 else: # E-commerce CSV
     enableChatBox = True
 
+status_class = "ready" if enableChatBox else "idle"
+status_text = "Ready to chat" if enableChatBox else "Load a file or URL to start"
+st.markdown(f'<div class="status-pill {status_class}">{status_text}</div>', unsafe_allow_html=True)
+
+st.markdown("### Ask a question")
+st.caption("Short, specific prompts work best. You can ask follow-ups without reloading.")
 chatTextStr = st.text_input(f'Ask me anything about this {pdfCSVURLText}', '', placeholder=f"Type here (e.g. {exampleQuestion})", disabled=not enableChatBox)
 chatWithPDFButton = "CLICK HERE TO START CHATTING"
 if st.button(chatWithPDFButton, disabled=not enableChatBox and not chatTextStr): #  Button Cliked