Fix radio button and label readability

app.py

@@ -126,9 +126,23 @@ css = """
 .main-header h1 { font-family: 'JetBrains Mono', monospace; color: #b8941e !important; }
 .main-header p { color: #555 !important; }
 footer { display: none !important; }
-/* Ensure table text is readable */
+/* Ensure all text is readable */
 .gradio-dataframe td, .gradio-dataframe th { color: #1a1a1a !important; }
 .dark .gradio-dataframe td, .dark .gradio-dataframe th { color: #e8e6e3 !important; }
+/* Radio buttons, checkboxes, labels */
+.gradio-radio label span, .gradio-radio .group_label, 
+input[type="radio"] + label, .radio-group label,
+label.svelte-1qxcj04, span.svelte-1qxcj04,
+.block label span, .wrap label span { color: #1a1a1a !important; }
+.dark .block label span, .dark .wrap label span { color: #e8e6e3 !important; }
+/* All form labels and text */
+.label-wrap span, .block .label-wrap, .gradio-group label { color: #1a1a1a !important; }
+.dark .label-wrap span, .dark .block .label-wrap { color: #e8e6e3 !important; }
+/* Input text */
+input, textarea, select, .input-text { color: #1a1a1a !important; }
+.dark input, .dark textarea, .dark select { color: #e8e6e3 !important; }
+/* Dropdown and textbox */
+.secondary-text, .token-text { color: #555 !important; }
 """
 
 with gr.Blocks(theme=theme, css=css, title="BlockchainToken Explorer") as demo: