feat: Implement admin functionality to edit and delete comments.

public/s/css/f0ck.css

@@ -891,7 +891,6 @@ html[theme="f0ck95"] #next {
 }
 
 #comments-container {
-  margin-top: 20px;
   padding: 10px;
   color: var(--white);
   max-width: 1000px;
@@ -3844,7 +3843,6 @@ input#s_avatar {
 
 /* Comments System */
 #comments-container {
-  margin-top: 20px;
   padding: 15px;
   background: var(--metadata-bg);
   border-radius: 5px;
@@ -4028,4 +4026,64 @@ input#s_avatar {
 
 .comment-content a {
   text-decoration: underline;
+}
+
+/* Admin buttons */
+.admin-edit-btn,
+.admin-delete-btn {
+  background: none;
+  border: none;
+  cursor: pointer;
+  font-size: 0.9em;
+  padding: 0 4px;
+  margin-left: 5px;
+  opacity: 0.6;
+  transition: opacity 0.2s;
+}
+
+.admin-edit-btn:hover,
+.admin-delete-btn:hover {
+  opacity: 1;
+}
+
+.admin-delete-btn:hover {
+  color: #e74c3c;
+}
+
+/* Edit mode */
+.edit-textarea {
+  width: 100%;
+  min-height: 80px;
+  background: var(--bg);
+  border: 1px solid var(--accent);
+  color: var(--white);
+  padding: 10px;
+  border-radius: 4px;
+  font-family: inherit;
+  resize: vertical;
+  margin-bottom: 8px;
+}
+
+.edit-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.save-edit-btn,
+.cancel-edit-btn {
+  padding: 6px 12px;
+  border: none;
+  border-radius: 3px;
+  cursor: pointer;
+  font-weight: bold;
+}
+
+.save-edit-btn {
+  background: var(--accent);
+  color: var(--black);
+}
+
+.cancel-edit-btn {
+  background: #666;
+  color: white;
 }