Initial commit - Mold Cost Calculator Application (Security Fixed)

app/templates/errors/403.html

@@ -0,0 +1,14 @@
+{% extends "base.html" %}
+
+{% block title %}Forbidden - MoldCost Pro{% endblock %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="text-center">
+        <h1 class="display-1">403</h1>
+        <h2 class="mb-4">Access Forbidden</h2>
+        <p class="lead">You don't have permission to access this resource.</p>
+        <a href="{{ url_for('main.home') }}" class="btn btn-primary">Return Home</a>
+    </div>
+</div>
+{% endblock %}