feat: switch L3 Generator to light theme and update text colors

app.py

@@ -175,172 +175,191 @@ custom_css = """
 @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
 
 :root {
-    --primary-color: #6366f1;
-    --text-light: #f8fafc;
-    --text-gray: #cbd5e1;
-    --panel-bg: rgba(15, 23, 42, 0.6);
+    --bg: #f8fafc;
+    --surface: #ffffff;
+    --surface-2: #f1f5f9;
+    --border: #e2e8f0;
+    --text: #0f172a;
+    --muted: #64748b;
+    --accent: #4f46e5;
+    --accent-2: #6366f1;
 }
 
 body {
-    background-color: #0f172a;
-    color: var(--text-light);
+    background-color: var(--bg);
+    color: var(--text);
 }
 
 .gradio-container {
     font-family: 'Inter', sans-serif !important;
-    background: radial-gradient(circle at top left, #1e1b4b, #0f172a) !important;
+    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%) !important;
     max-width: 1200px !important;
 }
 
-
 /* Title & Header */
 .main-title {
     font-family: 'Inter', sans-serif !important;
     font-weight: 800 !important;
-    font-size: 3rem !important;
-    background: linear-gradient(to right, #818cf8, #c084fc, #f472b6) !important;
+    font-size: 2.6rem !important;
+    background: linear-gradient(90deg, #0f172a, #4f46e5, #7c3aed) !important;
     -webkit-background-clip: text !important;
     -webkit-text-fill-color: transparent !important;
     text-align: center !important;
-    margin-bottom: 0.5rem !important;
-    /* Reset color for gradient text */
-    color: transparent !important; 
+    margin-bottom: 0.4rem !important;
 }
 
 .subtitle {
     text-align: center !important;
-    color: var(--text-gray) !important;
-    font-size: 1.1rem !important;
-    margin-bottom: 3rem !important;
-    font-weight: 300 !important;
+    color: var(--muted) !important;
+    font-size: 1.05rem !important;
+    margin-bottom: 2.5rem !important;
+    font-weight: 400 !important;
 }
 
 /* Panels */
 .glass-panel {
-    background: var(--panel-bg) !important;
-    backdrop-filter: blur(12px) !important;
-    border: 1px solid rgba(255, 255, 255, 0.1) !important;
+    background: var(--surface) !important;
+    border: 1px solid var(--border) !important;
     border-radius: 16px !important;
     padding: 24px !important;
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1) !important;
+    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08) !important;
 }
 
-/* Labels - High Contrast, Clean Black */
+/* Labels */
 .block > label > span, 
 .form > label > span, 
 .gr-form > label > span,
 .label-wrap > span {
-    color: #000000 !important; /* Pure Black */
-    font-weight: 700 !important;
+    color: var(--text) !important;
+    font-weight: 600 !important;
     font-size: 1rem !important;
     margin-bottom: 0.5rem !important;
-    text-shadow: 0 0 2px #ffffff, 0 0 4px #ffffff !important; /* White glow/outline for visibility */
-    background-color: transparent !important;
-    padding: 0 !important;
+    text-shadow: none !important;
 }
 
-/* Radio group title (e.g., Difficulty Level) */
+/* Radio group title */
 fieldset legend, fieldset legend span,
 .gr-radio > label, .gr-radio > label span,
 .gradio-container .label-wrap, .gradio-container .label-wrap span {
-    color: #000000 !important;
-    font-weight: 700 !important;
-    text-shadow: 0 0 2px #ffffff, 0 0 4px #ffffff !important;
+    color: var(--text) !important;
+    font-weight: 600 !important;
+    text-shadow: none !important;
 }
 
 /* Info Text (Description) */
 span.description, .description {
-    color: #000000 !important;
-    font-weight: 600 !important;
-    text-shadow: 0 0 2px #ffffff !important;
+    color: var(--muted) !important;
+    font-weight: 500 !important;
+    text-shadow: none !important;
     opacity: 1 !important;
 }
 
-/* Fix Radio/Checkbox alignment & styling */
+/* Radio/Checkbox alignment */
 fieldset label span {
     margin-bottom: 0 !important;
     text-shadow: none !important;
-    font-weight: 600 !important;
-    color: #0f172a !important; /* Dark text for unselected options (white background) */
+    font-weight: 500 !important;
+    color: var(--text) !important;
     display: flex !important;
     align-items: center !important;
 }
 
-/* Selected radio button text should be white */
 fieldset label.selected span {
     color: #ffffff !important;
 }
 
-/* Inputs & Textareas - Dark Grey Background for Contrast */
+fieldset label.selected {
+    background: var(--accent) !important;
+    border-color: var(--accent) !important;
+}
+
+/* Inputs & Textareas */
 .gr-input, textarea, input, .gr-box, .gr-check-radio, .gr-dropdown {
     font-family: 'JetBrains Mono', monospace !important;
-    background-color: #1e293b !important; /* Slate 800 - Lighter than bg, darker than text */
-    border: 1px solid #64748b !important; /* Visible Slate Border */
-    color: #ffffff !important;
+    background-color: var(--surface) !important;
+    border: 1px solid var(--border) !important;
+    color: var(--text) !important;
     box-shadow: none !important;
 }
 
-/* Focus state */
 .gr-input:focus, textarea:focus, input:focus {
-    border-color: #ffffff !important; /* White border on focus */
-    background-color: #334155 !important; /* Slightly lighter on focus */
+    border-color: var(--accent) !important;
+    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15) !important;
 }
 
-/* Override default block backgrounds */
-.gradio-container .block, .gradio-container .panel {
-    background-color: transparent !important;
-    border: none !important;
-}
-
-/* Fix for dropdown options background */
+/* Dropdown options */
 ul.options, .gr-dropdown-options {
-    background-color: #1e293b !important;
-    color: #ffffff !important;
-    border: 1px solid #64748b !important;
+    background-color: var(--surface) !important;
+    color: var(--text) !important;
+    border: 1px solid var(--border) !important;
 }
 
 /* Markdown prose */
 .prose, .prose p, .prose h1, .prose h2, .prose h3, .prose strong, .prose li {
-    color: var(--text-light) !important;
+    color: var(--text) !important;
+}
+
+/* Outputs */
+.output-textbox textarea {
+    background-color: var(--surface-2) !important;
+    border: 1px solid var(--border) !important;
+    border-radius: 8px !important;
+    color: var(--text) !important;
+}
+
+.markdown-box {
+    background: var(--surface-2) !important;
+    border: 1px solid var(--border) !important;
+    border-radius: 8px !important;
+    padding: 16px !important;
+    color: var(--text) !important;
+}
+
+.markdown-box * {
+    color: var(--text) !important;
+}
+
+.markdown-box code, .markdown-box pre {
+    background: #e2e8f0 !important;
 }
 
 /* Buttons */
 .gr-button-primary {
-    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
+    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%) !important;
     border: none !important;
     color: white !important;
     font-weight: 600 !important;
 }
 
 .gr-button-secondary {
-    background: rgba(255, 255, 255, 0.1) !important;
-    border: 1px solid rgba(255, 255, 255, 0.2) !important;
-    color: var(--text-light) !important;
+    background: var(--surface-2) !important;
+    border: 1px solid var(--border) !important;
+    color: var(--text) !important;
 }
 .gr-button-secondary:hover {
-    background: rgba(255, 255, 255, 0.2) !important;
+    background: #e2e8f0 !important;
 }
 
 /* Tabs */
 .tabs button {
-    color: var(--text-gray) !important;
+    color: var(--muted) !important;
 }
 .tabs button.selected {
-    color: #818cf8 !important;
-    border-bottom-color: #818cf8 !important;
+    color: var(--accent) !important;
+    border-bottom-color: var(--accent) !important;
 }
 
 /* Radio buttons */
 .gr-radio-label {
-    color: var(--text-light) !important;
+    color: var(--text) !important;
 }
 
 /* Footer */
 .footer-text, .footer-text p {
-    color: var(--text-gray) !important;
+    color: var(--muted) !important;
 }
 .footer-text a {
-    color: #818cf8 !important;
+    color: var(--accent) !important;
 }
 """