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frontend.css

@@ -55,6 +55,10 @@ body {
 .header {
   flex-shrink: 0;
   margin-bottom: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
 }
 
 .logo {
@@ -67,6 +71,37 @@ body {
   width: auto;
 }
 
+.viewer-pill {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  font-family: var(--mono);
+  font-size: 11px;
+  letter-spacing: 0.4px;
+  text-transform: uppercase;
+  color: var(--text-dim);
+  border: 1px solid var(--border);
+  background: rgba(255, 255, 255, 0.02);
+  border-radius: 999px;
+  padding: 6px 10px;
+  white-space: nowrap;
+}
+
+.viewer-pill__dot {
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: #22c55e;
+  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45);
+  animation: viewer-pulse 1.8s ease-out infinite;
+}
+
+@keyframes viewer-pulse {
+  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
+  70% { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
+  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
+}
+
 /* ── Arena ────────────────────────────────────────────────────── */
 
 .arena {