fix(chat): Copy buttons working again

chat.html

@@ -42,7 +42,7 @@
                 margin: 0;
                 font-family: "JetBrains Mono", Consolas, Menlo, monospace;
                 line-height: 1.6;
-                font-size: 16px;
+                font-size: 14px;
                 background: var(--bg-primary);
                 color: var(--text-primary);
                 transition: background-color 0.2s, color 0.2s;
@@ -128,7 +128,7 @@
                 border: 1px solid var(--border-color);
                 border-radius: 0.4rem;
                 resize: vertical;
-                font-size: 1rem;
+                font-size: inherit;
                 background: var(--bg-input);
                 color: var(--text-primary);
                 transition: background-color 0.2s, color 0.2s;
@@ -137,7 +137,7 @@
                 color: var(--text-secondary);
             }
             .submit {
-                font-size: 1rem;
+                font-size: inherit;
                 grid-area: submit;
                 cursor: pointer;
                 padding: 0.8rem 2rem;
@@ -229,19 +229,23 @@
             }
 
             .spinner {
+                width: 1.5rem;
+                height: 1.5rem;
+                background: #888;
                 display: inline-block;
-                width: 1em;
-                height: 1em;
-                border: 3px solid var(--text-secondary);
-                border-top-color: transparent;
                 border-radius: 50%;
-                vertical-align: baseline;
-                animation: spin 1s ease-in infinite;
+                box-sizing: border-box;
+                animation: grow 1s ease-in infinite;
             }
 
-            @keyframes spin {
-                to {
-                    transform: rotate(360deg);
+            @keyframes grow {
+                0% {
+                    transform: scale(0);
+                    opacity: 1;
+                }
+                100% {
+                    transform: scale(1);
+                    opacity: 0;
                 }
             }
         </style>
@@ -250,7 +254,7 @@
         <div id="app" x-data="chatApp()" x-cloak>
             <div class="chat-container">
                 <!-- Messages -->
-                <div class="messages" x-ref="msgBox" @scroll="handleScroll">
+                <div class="messages" x-ref="msgBox" @click="onClickMessage" @scroll="handleScroll">
                     <template x-for="(msg, idx) in visibleMessages" :key="idx">
                         <div :class="msg.role === 'user' ? 'message user-message' : 'message system-message'">
                             <template x-if="msg.role === 'user'">
@@ -317,7 +321,7 @@
                 You are a helpful AI assistant.
                 Do not preach about implications, do not praise excessively.
                 Keep a critical mindset, do not assume blindly.
-                When I ask for code, assume that I am a senior backend developer (do not mention that) and do not explain excessively, but and challenge my statements if I don't sound right, especially in coding.
+                When I ask for code, keep in mind that I am a senior backend developer (but do not mention that explicitly), and do not explain excessively, but and challenge my statements with better alternatives if I don't sound right, especially in coding.
                 Answer in valid markdown only, no exceptions.
             `
                 .replace(/^\s+/gm, "")
@@ -341,19 +345,21 @@
 
                 async init() {
                     this.historyItems = loadHistory();
-                    // Delegate copy button clicks
-                    this.$refs.msgBox.addEventListener("click", (e) => {
-                        if (e.target.classList.contains("copy-btn")) {
-                            const code = e.target.closest("pre").querySelector("code").innerText;
-                            copyToClipboard(code);
-                            const original = e.target.textContent;
-                            e.target.textContent = "Copied!";
-                            setTimeout(() => (e.target.textContent = original), 1200);
-                        }
-                    });
                     setTimeout(() => this.$refs.promptInput.focus(), 0);
                 },
 
+                async onClickMessage(e) {
+                    if (e.target.classList.contains("copy-btn")) {
+                        const $btn = e.target;
+                        const code = $btn.closest("pre").querySelector("code").innerText;
+                        copyToClipboard(code);
+
+                        const buttonText = $btn.textContent;
+                        $btn.textContent = "Copied!";
+                        setTimeout(() => ($btn.textContent = buttonText), 1200);
+                    }
+                },
+
                 get visibleMessages() {
                     return this.messages.filter((m) => m.role !== "system");
                 },
@@ -455,10 +461,9 @@
             const md = markdownit({ html: false });
 
             function renderMarkdown(markdown) {
-                const $container = document.createElement("template");
-                $container.innerHTML = md.render(markdown);
-                this.attachCopyButtons($container);
-                return $container.innerHTML;
+                const $placeholder = document.createElement("template");
+                $placeholder.innerHTML = md.render(markdown);
+                return $placeholder.innerHTML;
             }
 
             async function chatWithOpenAI({ baseUrl = "https://api.openai.com/v1", onContent, onError, messages, signal, apiKey, model, extraHeaders = {}, ...rest }) {