Support for comments

templates/posts/comments/card.html

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+<div class="bg-white rounded-lg p-4 border border-gray-200">
+    <div class="flex items-start space-x-3">
+        <div class="flex-shrink-0">
+            <div class="w-10 h-10 bg-gray-200 rounded-full flex items-center justify-center">
+                <svg class="w-5 h-5 text-gray-500"
+                     fill="none"
+                     viewBox="0 0 24 24"
+                     stroke="currentColor">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
+                </svg>
+            </div>
+        </div>
+        <div class="flex-1 min-w-0">
+            <div class="flex items-center space-x-2 mb-1">
+                <span class="font-medium text-gray-900">
+                    {% if let Some(name) = comment.author %}
+                        {{ name }}
+                    {% else %}
+                        Anonymous
+                    {% endif %}
+                </span>
+                <span class="text-gray-400">•</span>
+                <time class="text-sm text-gray-500" datetime="{{ comment.published_at }}">
+                    {{ comment.formatted_date() }}
+                </time>
+            </div>
+            <p class="text-gray-700 whitespace-pre-line">{{ comment.content }}</p>
+        </div>
+    </div>
+</div>

templates/posts/comments/list.html

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+{%- import "macros.html" as macros -%}
+<div class="border-t-2 border-gray-300 border-dashed pt-8">
+    <h2 class="text-2xl font-bold text-gray-900 mb-6">Comments ({{ comments_count }})</h2>
+    <div class="bg-gray-50 rounded-lg p-6 mb-8 border border-gray-200">
+        <h3 class="text-lg font-semibold text-gray-900 mb-4">Leave a comment</h3>
+        <form hx-post="/posts/{{ post.post_id }}/comments"
+              hx-target="#form-messages"
+              hx-swap="innerHTML"
+              class="space-y-4">
+            <div>
+                <input type="text"
+                       name="author"
+                       placeholder="Your name (optional)"
+                       class="w-full px-4 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
+            </div>
+            <div>
+                <textarea name="content"
+                          rows="4"
+                          required
+                          placeholder="Write your comment..."
+                          class="w-full px-4 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500"></textarea>
+            </div>
+            <button type="submit"
+                    class="bg-blue-600 text-white hover:bg-blue-700 font-medium py-2 px-6 rounded-md transition-colors">
+                Submit
+            </button>
+            <div id="form-messages"></div>
+        </form>
+    </div>
+    {% block comments %}
+        {% if comments.is_empty() %}
+            <div id="comments-list" class="text-center py-8 text-gray-500">
+                <svg class="w-12 h-12 mx-auto mb-3 text-gray-400"
+                     fill="none"
+                     viewBox="0 0 24 24"
+                     stroke="currentColor">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
+                </svg>
+                <p>No comments yet. Be the first to comment!</p>
+            </div>
+        {% else %}
+            {% let post_id = comments[0].post_id %}
+            <div id="comments-list" class="space-y-4">
+                {% for comment in comments %}
+                    {% include "posts/comments/card.html" %}
+                {% endfor %}
+                <div id="load-more-comments" class="text-center mt-6">
+                    {% if current_page < max_page %}
+                        <div class="flex flex-col items-center space-y-6">
+                            <button hx-get="/posts/{{ post_id }}/comments?page={{ current_page + 1 }}"
+                                    hx-target="#load-more-comments"
+                                    hx-swap="outerHTML"
+                                    hx-indicator="#comment-indicator"
+                                    class="text-center bg-gray-200 text-gray-700 hover:bg-gray-300 font-medium py-2 px-6 rounded-md transition-colors">
+                                Load more comments
+                            </button>
+                            <span id="comment-indicator" class="htmx-indicator">
+                                {% call macros::spinner(class="text-gray-300 w-6 h-6", highlight_class="text-gray-700", size=24) %}
+                                </span>
+                            </div>
+                        {% else %}
+                            <p class="text-gray-600">No more comments. Check back later for more!</p>
+                        {% endif %}
+                    </div>
+                </div>
+            {% endif %}
+        </div>
+    {% endblock %}