fix gh button svg broken by template parser

Author: dt

src/ui/styles.css

@@ -1574,7 +1574,7 @@ body {
 .github-btn {
     background: transparent;
     border: 1px solid var(--border-secondary);
-    color: var(--text-muted);
+    color: var(--text-secondary);
     border-radius: 50%;
     width: 32px;
     height: 32px;
@@ -1586,6 +1586,17 @@ body {
     opacity: 0.6;
     transition: all 0.2s ease;
     text-decoration: none;
+    position: relative;
+}
+
+.github-btn::after {
+    content: "";
+    width: 16px;
+    height: 16px;
+    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23bbb'%3E%3Cpath d='M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z'/%3E%3C/svg%3E");
+    background-size: 16px 16px;
+    background-repeat: no-repeat;
+    background-position: center;
 }
 
 .github-btn:hover {

src/ui/templates.tsx

@@ -239,10 +239,7 @@ const SidebarTemplate = (
 
     {/* Settings container */}
     <div className="settings-container">
-      <a href="https://github.com/dt/stackgazer" target="_blank" className="github-btn" title="View on GitHub">
-        <svg width="16" height="16" viewBox="0 0 16 16" fill="currentColor">
-          <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z" />
-        </svg>
+      <a href="https://github.com/dt/stackgazer" target="_blank" className="github-btn" title="View on GitHub" id="githubBtn">
       </a>
       <button className="theme-toggle-btn" id="themeToggleBtn" title="Toggle light/dark theme">🌙</button>
       <button className="settings-btn" id="settingsBtn" title="Advanced Settings">⚙️</button>