UI update

app.py

@@ -242,19 +242,17 @@ Answer:"""
             logging.error(f"Failed to load or process PDF '{pdf_path}': {str(e)}", exc_info=True)
             raise RuntimeError(f"Failed to process PDF '{pdf_path}': {e}") from e
 
- 
-
 
 
     def gradio_interface(self):
         def query_interface_wrapper(api_key: str, query: str, state: str) -> str:
             # Basic client-side validation for immediate feedback (redundant but good UX)
             if not api_key or not api_key.strip() or not api_key.startswith("sk-"):
-                return "<div class='error-message'><span class='error-icon'></span>Please provide a valid OpenAI API key (starting with 'sk-'). <a href='https://platform.openai.com/api-keys' target='_blank'>OpenAI</a>.</div>"
+                return "<div class='error-message'><span class='error-icon'>⚠️</span>Please provide a valid OpenAI API key (starting with 'sk-'). <a href='https://platform.openai.com/api-keys' target='_blank'>OpenAI</a>.</div>"
             if not state or state is None:
-                return "<div class='error-message'><span class='error-icon'></span>Please select a valid state from the list.</div>"
+                return "<div class='error-message'><span class='error-icon'>⚠️</span>Please select a valid state from the list.</div>"
             if not query or not query.strip():
-                return "<div class='error-message'><span class='error-icon'></span>Please enter your question in the text box.</div>"
+                return "<div class='error-message'><span class='error-icon'>⚠️</span>Please enter your question in the text box.</div>"
 
             # Call the core processing logic
             result = self.process_query(query=query, state=state, openai_api_key=api_key)
@@ -293,31 +291,29 @@ Answer:"""
         else:
             example_queries.append(["What basic rights do tenants have?", "California"])
 
-        # --- FORCED LIGHT THEME CSS ---
         custom_css = """
-        /* Disable browser/OS dark mode adaptation */
-        html, body {
-            color-scheme: only light !important;
-            background: #FAF9F7 !important;
-            color: #4A3C32 !important;
-        }
-        @media (prefers-color-scheme: dark) {
-            html, body {
-                background: #FAF9F7 !important;
-                color: #4A3C32 !important;
-            }
+        /* Browser-agnostic reset */
+        *, *::before, *::after {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+            font-family: inherit;
+            font-size: inherit;
+            color: inherit;
+            -webkit-font-smoothing: antialiased;
+            -moz-osx-font-smoothing: grayscale;
         }
-        /* Import fonts */
-        @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@600;700;800&display=swap');
 
+        /* Explicitly set color scheme to light to prevent browser dark mode interference */
         :root {
+            color-scheme: light;
             --primary-color: #FF8C00;
             --primary-hover: #E07B00;
-            --background-primary: #FFFDF9;
-            --background-secondary: #FAF9F7;
+            --background-primary: hsl(30, 100%, 99.9%);
+            --background-secondary: hsl(30, 100%, 96%);
             --text-primary: #4A3C32;
             --text-secondary: #8C7B6F;
-            --border-color: #F3E6D7;
+            --border-color: hsl(30, 70%, 85%);
             --border-focus: #FF8C00;
             --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
             --shadow-md: 0 4px 10px rgba(0,0,0,0.1);
@@ -327,144 +323,726 @@ Answer:"""
             --error-text: #E05C00;
         }
 
-        /* Gradio and container overrides */
-        body, html, .gradio-container, .main-dashboard-container, .dashboard-card-section, .dashboard-card-content-area,
-        .gr-block, .gr-box, .gr-form, .gr-panel, .gradio-html, .gradio-markdown, .gradio-textbox, .gradio-radio, .gradio-button {
-            background: var(--background-secondary) !important;
+        /* Import legible fonts */
+        @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@600;700;800&display=swap');
+
+        /* Ensure body and html have consistent styling */
+        body, html {
+            background-color: var(--background-secondary) !important;
             color: var(--text-primary) !important;
-            font-family: 'Inter', sans-serif !important;
+            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
+            line-height: 1.5;
+            -webkit-text-size-adjust: 100%;
+            -webkit-tap-highlight-color: transparent;
         }
-        .dashboard-card-section,
-        .dashboard-card-content-area {
-            background: var(--background-primary) !important;
+
+        /* Gradio container */
+        .gradio-container {
+            max-width: 900px !important;
+            margin: 0 auto !important;
+            padding: 1.5rem !important;
+            background-color: var(--background-secondary) !important;
+            box-shadow: none !important;
             color: var(--text-primary) !important;
+        }
+
+        .main-dashboard-container > * {
+            background-color: var(--background-primary) !important;
+        }
+
+        /* Header styling */
+        .app-header-wrapper {
+            background: linear-gradient(145deg, var(--background-primary) 0%, var(--background-secondary) 100%) !important;
+            border: 2px solid var(--border-color) !important;
+            border-radius: 16px !important;
+            padding: 2.5rem 1.5rem !important;
+            margin-bottom: 1.5rem !important;
+            box-shadow: var(--shadow-md) !important;
+            position: relative;
+            overflow: hidden;
+            text-align: center !important;
+            color: var(--text-primary) !important;
+        }
+
+        .app-header-wrapper::before {
+            content: '';
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            background: radial-gradient(circle at top left, rgba(255,140,0,0.3) 0%, transparent 60%), radial-gradient(circle at bottom right, rgba(255,140,0,0.3) 0%, transparent 60%);
+            z-index: 0;
+            opacity: 0.8;
+            pointer-events: none;
+        }
+
+        .app-header-logo {
+            font-size: 8.5rem !important;
+            margin-bottom: 0.75rem !important;
+            display: block !important;
+            color: var(--primary-color) !important;
+            position: relative;
+            z-index: 1;
+            animation: float-icon 3s ease-in-out infinite alternate;
+        }
+
+        @keyframes float-icon {
+            0% { transform: translateY(0px); }
+            50% { transform: translateY(-5px); }
+            100% { transform: translateY(0px); }
+        }
+
+        .app-header-title {
+            font-family: 'Poppins', sans-serif !important;
+            font-size: 3rem !important;
+            font-weight: 800 !important;
+            color: var(--text-primary) !important;
+            margin: 0 0 0.75rem 0 !important;
+            line-height: 1.1 !important;
+            letter-spacing: -0.03em !important;
+            position: relative;
+            z-index: 1;
+            display: inline-block;
+            max-width: 100%;
+        }
+
+        .app-header-tagline {
+            font-size: 1.25rem !important;
+            color: var(--text-secondary) !important;
+            font-weight: 400 !important;
+            margin: 0 !important;
+            max-width: 700px;
+            display: inline-block;
+            position: relative;
+            z-index: 1;
+        }
+
+        /* Dashboard layout */
+        .main-dashboard-container {
+            display: flex !important;
+            flex-direction: column !important;
+            gap: 1.25rem !important;
+        }
+
+        .dashboard-card-section {
+            background-color: var(--background-primary) !important;
             border: 2px solid var(--border-color) !important;
             border-radius: 12px !important;
+            padding: 0 !important;
             box-shadow: var(--shadow-sm) !important;
+            transition: all 0.3s ease-out !important;
+            color: var(--text-primary) !important;
+        }
+
+        .dashboard-card-section:hover {
+            box-shadow: var(--shadow-md) !important;
+            transform: translateY(-3px) !important;
+        }
+
+        .full-width-center {
+            display: flex !important;
+            justify-content: center !important;
+            align-items: center !important;
+            width: 100% !important;
+            flex-direction: column !important;
+            background-color: transparent !important;
+        }
+
+        .section-title-gradient-bar {
+            background-color: var(--background-secondary) !important;
+            padding: 1.25rem 1.75rem !important;
+            border-top-left-radius: 10px !important;
+            border-top-right-radius: 10px !important;
+            margin-bottom: 0 !important;
+            text-align: center !important;
+            box-sizing: border-box;
+            width: 100%;
+            color: var(--text-primary) !important;
         }
+
+        .section-title {
+            font-family: 'Poppins', sans-serif !important;
+            font-size: 1.7rem !important;
+            font-weight: 700 !important;
+            color: var(--text-primary) !important;
+            margin: 0 !important;
+            padding-bottom: 0 !important;
+            border-bottom: 2px solid var(--border-color) !important;
+            line-height: 1.1 !important;
+            display: inline-block !important;
+            text-align: center !important;
+            letter-spacing: -0.01em !important;
+        }
+
+        .dashboard-card-content-area {
+            padding: 0 1.75rem 1.75rem 1.75rem !important;
+            background-color: var(--background-primary) !important;
+            box-sizing: border-box;
+            width: 100%;
+            color: var(--text-primary) !important;
+        }
+
+        .dashboard-card-section p {
+            line-height: 1.7 !important;
+            color: var(--text-primary) !important;
+            font-size: 1rem !important;
+            text-align: left !important;
+            background-color: transparent !important;
+            margin: 0 !important;
+            padding: 0 !important;
+            white-space: normal !important;
+        }
+
+        .dashboard-card-section strong, .dashboard-card-section b {
+            font-weight: 700 !important;
+            color: var(--primary-color) !important;
+        }
+
+        /* Gradio component overrides */
+        .gr-block, .gr-box, .gr-prose, .gr-form, .gr-panel,
+        .gr-columns, .gr-column,
+        .gradio-html, .gradio-markdown, .gradio-textbox, .gradio-radio, .gradio-button {
+            background-color: transparent !important;
+            color: var(--text-primary) !important;
+            white-space: normal !important;
+            overflow-wrap: break-word;
+            word-break: break-word;
+        }
+
         .gradio-textbox textarea,
-        .gradio-textbox input {
-            background: var(--background-primary) !important;
+        .gradio-textbox input,
+        .gradio-radio label,
+        .placeholder {
+            background-color: var(--background-primary) !important;
             color: var(--text-primary) !important;
+        }
+
+        .gradio-textbox {
+            margin-bottom: 0.5rem !important;
+        }
+
+        .gradio-textbox textarea,
+        .gradio-textbox input {
             border: 2px solid var(--border-color) !important;
             border-radius: 8px !important;
+            padding: 0.85rem 1rem !important;
+            font-size: 0.98rem !important;
+            font-family: 'Inter', sans-serif !important;
+            color: var(--text-primary) !important;
+            transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
             box-shadow: var(--shadow-sm) !important;
+            -webkit-appearance: none !important;
+            -moz-appearance: none !important;
+            appearance: none !important;
         }
+
+        .gradio-textbox .scroll-hide {
+            background-color: var(--background-primary) !important;
+        }
+
         .gradio-textbox textarea:focus,
         .gradio-textbox input:focus {
+            outline: none !important;
             border-color: var(--border-focus) !important;
             box-shadow: 0 0 0 4px rgba(255, 140, 0, 0.2) !important;
         }
+
+        .gradio-radio {
+            padding: 0 !important;
+            margin-top: 1rem !important;
+        }
+
+        .gradio-radio input[type="radio"] {
+            display: none !important;
+        }
+
         .gradio-radio label {
-            background: var(--background-primary) !important;
-            color: var(--text-primary) !important;
+            display: flex !important;
+            justify-content: center !important;
+            align-items: center !important;
+            padding: 0.75rem 1rem !important;
             border: 2px solid var(--border-color) !important;
             border-radius: 8px !important;
+            color: var(--text-primary) !important;
+            font-weight: 500 !important;
+            cursor: pointer !important;
+            transition: all 0.2s ease-out !important;
             box-shadow: var(--shadow-sm) !important;
+            margin: 0.2rem 0 !important;
+            width: 100% !important;
+            box-sizing: border-box !important;
         }
+
+        .gradio-radio label span.text-lg {
+            font-weight: 600 !important;
+            color: var(--text-primary) !important;
+            font-size: 0.98rem !important;
+        }
+
         .gradio-radio label:hover {
-            background: var(--background-secondary) !important;
+            background-color: var(--background-secondary) !important;
             border-color: var(--primary-color) !important;
             box-shadow: var(--shadow-md) !important;
+            transform: translateY(-2px) !important;
         }
+
         .gradio-radio input[type="radio"]:checked + label {
-            background: var(--primary-color) !important;
+            background-color: var(--primary-color) !important;
             color: white !important;
             border-color: var(--primary-hover) !important;
             box-shadow: var(--shadow-md) !important;
+            transform: translateY(-1px) !important;
         }
-        .gradio-button,
-        .gr-button-primary {
-            background: var(--primary-color) !important;
+
+        .gradio-radio input[type="radio"]:checked + label span.text-lg {
             color: white !important;
+        }
+
+        .gradio-radio .gr-form {
+            padding: 0 !important;
+        }
+
+        .gradio-textbox label,
+        .gradio-radio > label {
+            font-weight: 600 !important;
+            color: var(--text-primary) !important;
+            font-size: 1rem !important;
+            margin-bottom: 0.6rem !important;
+            display: block !important;
+            text-align: left !important;
+        }
+
+        .gr-prose {
+            font-size: 0.9rem !important;
+            color: var(--text-secondary) !important;
+            margin-top: 0.4rem !important;
+            text-align: left !important;
+            background-color: transparent !important;
+        }
+
+        .input-column {
+            display: flex !important;
+            flex-direction: column !important;
+            gap: 1.25rem !important;
+            margin-bottom: 0.5rem !important;
+        }
+
+        .input-field {
+            flex: none !important;
+            width: 100% !important;
+        }
+
+        .button-row {
+            display: flex !important;
+            gap: 1rem !important;
+            justify-content: flex-end !important;
+            margin-top: 1.5rem !important;
+        }
+
+        .gradio-button {
+            padding: 0.85rem 1.8rem !important;
             border-radius: 9px !important;
             font-weight: 600 !important;
             font-size: 1rem !important;
+            transition: all 0.2s ease-out !important;
+            cursor: pointer !important;
             border: 2px solid transparent !important;
+            text-align: center !important;
+            color: var(--text-primary) !important;
+            -webkit-appearance: none !important;
+            -moz-appearance: none !important;
+            appearance: none !important;
+        }
+
+        .gr-button-primary {
+            background-color: var(--primary-color) !important;
+            color: white !important;
             box-shadow: var(--shadow-sm) !important;
         }
+
         .gr-button-primary:hover {
-            background: var(--primary-hover) !important;
+            background-color: var(--primary-hover) !important;
             box-shadow: var(--shadow-md) !important;
+            transform: translateY(-2px) !important;
         }
-        /* Error message styling */
-        .error-message {
-            background: var(--error-bg) !important;
-            border: 1.5px solid var(--error-border) !important;
-            color: var(--error-text) !important;
+
+        .gr-button-primary:active {
+            transform: translateY(1px) !important;
+            box-shadow: none !important;
+        }
+
+        .gr-button-secondary {
+            background-color: transparent !important;
+            color: var(--text-primary) !important;
+            border-color: var(--border-color) !important;
+        }
+
+        .gr-button-secondary:hover {
+            background-color: var(--background-secondary) !important;
+            border-color: var(--primary-color) !important;
+            transform: translateY(-2px) !important;
+        }
+
+        .gr-button-secondary:active {
+            transform: translateY(1px) !important;
+            box-shadow: none !important;
+        }
+
+        .output-content-wrapper {
+            background-color: var(--background-primary) !important;
+            border: 2px solid var(--border-color) !important;
             border-radius: 8px !important;
-            padding: 0.75rem 1rem !important;
-            margin-bottom: 1rem !important;
-            font-weight: 600 !important;
+            padding: 1.5rem !important;
+            min-height: 150px !important;
+            color: var(--text-primary) !important;
             display: flex;
+            flex-direction: column;
+            justify-content: center;
             align-items: center;
-            gap: 0.7em;
         }
-        .error-icon {
-            font-size: 1.3em;
-            color: var(--error-text);
+
+        .animated-output-content {
+            opacity: 0;
+            animation: fadeInAndSlideUp 0.7s ease-out forwards;
+            width: 100%;
+            white-space: pre-wrap;
+            overflow-wrap: break-word;
+            word-break: break-word;
+            text-align: left !important;
+            color: var(--text-primary) !important;
+        }
+
+        @keyframes fadeInAndSlideUp {
+            from { opacity: 0; transform: translateY(15px); }
+            to { opacity: 1; transform: translateY(0); }
         }
-        /* Response header styling */
+
         .response-header {
-            font-family: 'Poppins', sans-serif !important;
-            font-size: 1.2rem !important;
+            font-size: 1.3rem !important;
             font-weight: 700 !important;
             color: var(--primary-color) !important;
-            margin-bottom: 0.5rem !important;
-            display: flex;
-            align-items: center;
-            gap: 0.5em;
+            margin-bottom: 0.75rem !important;
+            display: flex !important;
+            align-items: center !important;
+            gap: 0.6rem !important;
+            text-align: left !important;
+            width: 100%;
+            justify-content: flex-start;
         }
+
+        .response-icon {
+            font-size: 1.5rem !important;
+            color: var(--primary-color) !important;
+        }
+
         .divider {
-            border: none;
-            border-top: 2px solid var(--border-color) !important;
-            margin: 0.5em 0 1em 0 !important;
+            border: none !important;
+            border-top: 1px dashed var(--border-color) !important;
+            margin: 1rem 0 !important;
+        }
+
+        .error-message {
+            background-color: var(--error-bg) !important;
+            border: 2px solid var(--error-border) !important;
+            color: var(--error-text) !important;
+            padding: 1.25rem !important;
+            border-radius: 8px !important;
+            display: flex !important;
+            align-items: flex-start !important;
+            gap: 0.8rem !important;
+            font-size: 0.95rem !important;
+            font-weight: 500 !important;
+            line-height: 1.6 !important;
+            text-align: left !important;
+            width: 100%;
+            box-sizing: border-box;
+        }
+
+        .error-message a {
+            color: var(--error-text) !important;
+            text-decoration: underline !important;
         }
-        /* Remove any dark mode overrides from Gradio or browser */
-        [data-theme="dark"], .dark, html[data-theme="dark"] {
-            background: var(--background-secondary) !important;
+
+        .error-icon {
+            font-size: 1.4rem !important;
+            line-height: 1 !important;
+            margin-top: 0.1rem !important;
+        }
+
+        .error-details {
+            font-size: 0.85rem !important;
+            color: var(--error-text) !important;
+            margin-top: 0.5rem !important;
+            opacity: 0.8;
+        }
+
+        .placeholder {
+            background-color: var(--background-primary) !important;
+            border: 2px dashed var(--border-color) !important;
+            border-radius: 8px !important;
+            padding: 2.5rem 1.5rem !important;
+            text-align: center !important;
+            color: var(--text-secondary) !important;
+            font-style: italic !important;
+            font-size: 1.1rem !important;
+            width: 100%;
+            box-sizing: border-box;
+        }
+
+        .examples-section .gr-samples-table {
+            border: 2px solid var(--border-color) !important;
+            border-radius: 8px !important;
+            overflow: hidden !important;
+            margin-top: 1rem !important;
+        }
+
+        .examples-section .gr-samples-table th,
+        .examples-section .gr-samples-table td {
+            padding: 0.9rem !important;
+            border: none !important;
+            font-size: 0.95rem !important;
+            text-align: left !important;
             color: var(--text-primary) !important;
-            --gradio-background-primary: var(--background-primary) !important;
-            --gradio-background-secondary: var(--background-secondary) !important;
-            --gradio-text-primary: var(--text-primary) !important;
-            --gradio-text-secondary: var(--text-secondary) !important;
+        }
+
+        .examples-section .gr-samples-table th {
+            background-color: var(--background-secondary) !important;
+            font-weight: 700 !important;
+            color: var(--text-primary) !important;
+        }
+
+        .examples-section .gr-samples-table td {
+            background-color: var(--background-primary) !important;
+            color: var(--text-primary) !important;
+            border-top: 1px solid var(--border-color) !important;
+            cursor: pointer !important;
+            transition: background 0.2s ease, transform 0.1s ease !important;
+        }
+
+        .examples-section .gr-samples-table tr:hover td {
+            background-color: var(--background-secondary) !important;
+            transform: translateX(5px);
+        }
+
+        .gr-examples .gr-label,
+        .gr-examples .label-wrap,
+        .gr-examples .gr-accordion-header {
+            display: none !important;
+        }
+
+        .app-footer-wrapper {
+            background: linear-gradient(145deg, var(--background-primary) 0%, var(--background-secondary) 100%) !important;
+            border: 2px solid var(--border-color) !important;
+            border-radius: 12px !important;
+            padding: 1.75rem !important;
+            margin-top: 1.5rem !important;
+            margin-bottom: 1.5rem !important;
+            text-align: center !important;
+            color: var(--text-primary) !important;
+        }
+
+        .app-footer p {
+            margin: 0 !important;
+            max-width: 90% !important;
+            font-size: 0.95rem !important;
+            color: var(--text-secondary) !important;
+            line-height: 1.6 !important;
+            background-color: transparent !important;
+            text-align: center !important;
+            white-space: normal !important;
+        }
+
+        .app-footer strong, .app-footer b {
+            font-weight: 700 !important;
+            color: var(--primary-color) !important;
+        }
+
+        .app-footer a {
+            color: var(--primary-color) !important;
+            text-decoration: underline !important;
+            font-weight: 600 !important;
+        }
+
+        .app-footer a:hover {
+            text-decoration: none !important;
+        }
+
+        /* Responsive design */
+        @media (max-width: 768px) {
+            .gradio-container {
+                padding: 1rem !important;
+            }
+            .app-header-title {
+                font-size: 2.2rem !important;
+            }
+            .app-header-tagline {
+                font-size: 1rem !important;
+            }
+            .section-title {
+                font-size: 1.4rem !important;
+            }
+            .input-column {
+                flex-direction: column !important;
+            }
+            .button-row {
+                flex-direction: column !important;
+            }
+            .gradio-button {
+                width: 100% !important;
+            }
+            .dashboard-card-section {
+                transform: none !important;
+            }
+            .section-title-gradient-bar {
+                padding: 0.1rem 1rem !important;
+            }
+            .dashboard-card-content-area {
+                padding: 0 1rem 1rem 1rem !important;
+            }
+            .output-content-wrapper {
+                min-height: 120px !important;
+            }
+            .placeholder {
+                padding: 1.5rem 1rem !important;
+                font-size: 1rem !important;
+            }
+        }
+
+        /* Ensure no browser-specific dark mode interference */
+        @media (prefers-color-scheme: dark) {
+            :root {
+                color-scheme: light !important;
+            }
+            body, html, .gradio-container, .main-dashboard-container > *,
+            .dashboard-card-section, .section-title-gradient-bar,
+            .dashboard-card-content-area, .gradio-textbox textarea,
+            .gradio-textbox input, .gradio-radio label,
+            .placeholder, .output-content-wrapper {
+                background-color: inherit !important;
+                color: inherit !important;
+            }
         }
         """
 
-        import gradio as gr
-
-        with gr.Blocks(css=custom_css) as demo:
-            gr.HTML("""
-            <div class="app-header-wrapper">
-                <span class="app-header-logo">🏠</span>
-                <span class="app-header-title">Tenant Rights Q&A</span>
-                <div class="app-header-tagline">Get answers about your rights as a tenant, for any US state.</div>
-            </div>
-            """)
-
-            with gr.Row(elem_classes="main-dashboard-container"):
-                with gr.Column():
-                    with gr.Box(elem_classes="dashboard-card-section"):
-                        gr.Markdown("#### Enter your OpenAI API key, your question, and select your state:", elem_classes="section-title-gradient-bar")
-                        api_key = gr.Textbox(label="OpenAI API Key", placeholder="sk-...", type="password", elem_classes="input-field")
-                        query = gr.Textbox(label="Your Question", placeholder="Type your question here...", lines=3, elem_classes="input-field")
-                        state = gr.Radio(choices=radio_choices, label="State", value=initial_value_radio, elem_classes="input-field")
-                        submit_btn = gr.Button("Submit", elem_classes="gr-button-primary")
-                    output = gr.HTML(elem_id="output")
-
-                with gr.Column():
-                    with gr.Box(elem_classes="dashboard-card-section"):
-                        gr.Markdown("#### Example Questions", elem_classes="section-title-gradient-bar")
-                        for q, s in example_queries:
-                            gr.Markdown(f"**Q:** {q}<br>**State:** {s}")
-
-            submit_btn.click(
-                query_interface_wrapper,
-                inputs=[api_key, query, state],
-                outputs=output
+        with gr.Blocks(css=custom_css, title="Landlord-Tenant Rights Assistant", theme_mode="light") as demo:
+            with gr.Group(elem_classes="app-header-wrapper"):
+                gr.Markdown(
+                    """
+                    <span class='app-header-logo'>⚖️</span>
+                    <h1 class='app-header-title'>Landlord-Tenant Rights Assistant</h1>
+                    <p class='app-header-tagline'>Empowering You with State-Specific Legal Insights</p>
+                    """,
+                    elem_classes="full-width-center"
+                )
+
+            with gr.Column(elem_classes="main-dashboard-container"):
+                # How This Assistant Works Box
+                with gr.Group(elem_classes="dashboard-card-section"):
+                    gr.Markdown("<h3 class='section-title'>How This Assistant Works</h3>", elem_classes="full-width-center section-title-gradient-bar")
+                    with gr.Column(elem_classes="dashboard-card-content-area"):
+                        gr.Markdown(
+                            """
+                            This AI-powered assistant helps navigate complex landlord-tenant laws. Simply ask a question about your state's regulations, and it will provide detailed, legally-grounded insights.
+                            """
+                        )
+
+                # OpenAI API Key Input Card
+                with gr.Group(elem_classes="dashboard-card-section"):
+                    gr.Markdown("<h3 class='section-title'>OpenAI API Key</h3>", elem_classes="full-width-center section-title-gradient-bar")
+                    with gr.Column(elem_classes="dashboard-card-content-area"):
+                        api_key_input = gr.Textbox(
+                            label="API Key",
+                            type="password",
+                            placeholder="Enter your OpenAI API key (e.g., sk-...)",
+                            lines=1,
+                            elem_classes=["input-field-group"]
+                        )
+                        gr.Markdown(
+                            "Required to process your query. Get one from OpenAI: [platform.openai.com/api-keys](https://platform.openai.com/api-keys)",
+                            elem_classes="gr-prose"
+                        )
+
+                # Query Input and State Selection Card
+                with gr.Group(elem_classes="dashboard-card-section"):
+                    gr.Markdown("<h3 class='section-title'>Ask Your Question</h3>", elem_classes="full-width-center section-title-gradient-bar")
+                    with gr.Column(elem_classes="dashboard-card-content-area"):
+                        with gr.Column(elem_classes="input-column"):
+                            with gr.Column(elem_classes="input-field", scale=1):
+                                query_input = gr.Textbox(
+                                    label="Your Question",
+                                    placeholder="E.g., What are the rules for security deposit returns in my state?",
+                                    lines=8,
+                                    max_lines=15,
+                                    elem_classes=["input-field-group"]
+                                )
+                            with gr.Column(elem_classes="input-field", scale=1):
+                                state_input = gr.Radio(
+                                    label="Select State",
+                                    choices=radio_choices,
+                                    value=initial_value_radio,
+                                    elem_classes=["input-field-group", "gradio-radio-custom"],
+                                    interactive=True
+                                )
+                        with gr.Row(elem_classes="button-row"):
+                            clear_button = gr.Button("Clear", variant="secondary", elem_classes=["gr-button-secondary"])
+                            submit_button = gr.Button("Submit Query", variant="primary", elem_classes=["gr-button-primary"])
+
+                # Output Display Card
+                with gr.Group(elem_classes="dashboard-card-section"):
+                    gr.Markdown("<h3 class='section-title'>Legal Assistant's Response</h3>", elem_classes="full-width-center section-title-gradient-bar")
+                    with gr.Column(elem_classes="dashboard-card-content-area"):
+                        output = gr.HTML(
+                            value="<div class='placeholder'>The answer will appear here after submitting your query.</div>",
+                            elem_classes="output-content-wrapper"
+                        )
+
+                # Example Questions Section
+                with gr.Group(elem_classes="dashboard-card-section examples-section"):
+                    gr.Markdown("<h3 class='section-title'>Example Questions</h3>", elem_classes="full-width-center section-title-gradient-bar")
+                    with gr.Column(elem_classes="dashboard-card-content-area"):
+                        if example_queries:
+                            gr.Examples(
+                                examples=example_queries,
+                                inputs=[query_input, state_input],
+                                examples_per_page=5,
+                                label=""
+                            )
+                        else:
+                            gr.Markdown("<div class='placeholder'>Sample questions could not be loaded. Please ensure the vector database is populated.</div>")
+
+            # Footer Section
+            with gr.Group(elem_classes="app-footer-wrapper"):
+                gr.Markdown(
+                    f"""
+                    <style>
+                        .custom-link {{
+                            font-weight: bold !important;
+                            color: orange !important;
+                            text-decoration: underline;
+                        }}
+                    </style>
+                    <p><strong>Disclaimer:</strong> This tool is for informational purposes only and does not constitute legal advice. For specific legal guidance, always consult with a licensed attorney in your jurisdiction.</p>
+                    <p>Developed by <strong>Nischal Subedi</strong>. Connect on <a href="https://www.linkedin.com/in/nischal1/" target="_blank" class="custom-link">LinkedIn</a> or explore insights at <a href="https://datascientistinsights.substack.com/" target="_blank" class="custom-link">Substack</a>.</p>
+                    """
+                )
+
+            submit_button.click(
+                fn=query_interface_wrapper,
+                inputs=[api_key_input, query_input, state_input],
+                outputs=output,
+                api_name="submit_query"
+            )
+
+            clear_button.click(
+                fn=lambda: (
+                    "", "", initial_value_radio, "<div class='placeholder'>Inputs cleared. Ready for your next question.</div>"
+                ),
+                inputs=[],
+                outputs=[api_key_input, query_input, state_input, output]
             )
 
-        return demo
+            return demo
 
 # --- Main Execution Block (UNCHANGED from original logic) ---
 if __name__ == "__main__":