disabling submit proposal button and showing message

Author: Tarun9005

src/_includes/components/button.njk

@@ -1,4 +1,4 @@
-{% macro button(text, url, lime_bg=false, env = env) %}
+{% macro button(text, url, lime_bg=false, env = env, disabled=false) %}
     {% if lime_bg %}
         {% set bg_class = "bg-pycon-lime hover:bg-pycon-lime/90" %}
         {% set text_class = "text-black" %}
@@ -7,8 +7,13 @@
         {% set text_class = "text-pycon-lime" %}
     {% endif %}
 
-    <a href="{{ url }}" class="group no-underline inline-flex items-center gap-2 px-4 py-2 mr-2 mt-2 {{ bg_class }} rounded-full border border-black hover:-translate-y-0.5 hover:shadow-md transition-all duration-300 focus:outline-2 focus:outline-offset-2">
-        <span class="font-['Acid_Grotesk'] text-lg {{ text_class }} leading-relaxed whitespace-nowrap group-hover:-translate-x-1 transition-transform duration-200">
+      <a
+        href="{{ url if not disabled else '#' }}"
+        class="group no-underline inline-flex items-center gap-2 px-4 py-2 {{ bg_class }} rounded-full border border-black hover:-translate-y-0.5 hover:shadow-md transition-all duration-300 focus:outline-2 focus:outline-offset-2
+               {% if disabled %}opacity-50 cursor-not-allowed pointer-events-none hover:!translate-y-0 hover:!shadow-none{% endif %}
+        "
+    >
+     <span class="font-['Acid_Grotesk'] text-lg {{ text_class }} leading-relaxed whitespace-nowrap group-hover:-translate-x-1 transition-transform duration-200">
             {{ text }}
         </span>
         <div class="flex justify-center items-center w-8 h-8 bg-white rounded-full border border-black group-hover:rotate-40 transition-transform duration-300">

src/cfp.njk

@@ -117,7 +117,10 @@ layout: base.njk
                     </li>
                 </ul>
                 <div class="flex justify-center pt-8">
-                    {{ button(text="Submit a Proposal", url="https://cfp.in.pycon.org/2025/cfp", lime_bg=true, env = env) }}
+                    {{ button(text="Submit a Proposal", url="https://cfp.in.pycon.org/2025/cfp", lime_bg=true, env = env, disabled=true) }}
+                </div>
+                 <div class="text-center mt-4 text-red-600 font-semibold">
+                    <p>Proposals are closed. Thank you for your submissions!</p>
                 </div>
             </div>
         </div>