updated digiserver 2

app/templates/errors/403.html

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+{% extends "base.html" %}
+
+{% block title %}403 - Access Denied{% endblock %}
+
+{% block content %}
+<div class="container" style="max-width: 600px; margin-top: 100px; text-align: center;">
+    <h1 style="font-size: 72px; color: #ffc107;">403</h1>
+    <h2>Access Denied</h2>
+    <p style="color: #6c757d; margin: 20px 0;">You don't have permission to access this resource.</p>
+    <a href="{{ url_for('main.dashboard') }}" class="btn btn-primary">Go to Dashboard</a>
+</div>
+{% endblock %}

app/templates/errors/404.html

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+{% extends "base.html" %}
+
+{% block title %}404 - Page Not Found{% endblock %}
+
+{% block content %}
+<div class="container" style="max-width: 600px; margin-top: 100px; text-align: center;">
+    <h1 style="font-size: 72px; color: #dc3545;">404</h1>
+    <h2>Page Not Found</h2>
+    <p style="color: #6c757d; margin: 20px 0;">The page you're looking for doesn't exist.</p>
+    <a href="{{ url_for('main.dashboard') }}" class="btn btn-primary">Go to Dashboard</a>
+</div>
+{% endblock %}

app/templates/errors/500.html

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+{% extends "base.html" %}
+
+{% block title %}500 - Server Error{% endblock %}
+
+{% block content %}
+<div class="container" style="max-width: 600px; margin-top: 100px; text-align: center;">
+    <h1 style="font-size: 72px; color: #dc3545;">500</h1>
+    <h2>Internal Server Error</h2>
+    <p style="color: #6c757d; margin: 20px 0;">Something went wrong on our end. Please try again later.</p>
+    <a href="{{ url_for('main.dashboard') }}" class="btn btn-primary">Go to Dashboard</a>
+</div>
+{% endblock %}