diff --git a/frontend/packages/agent/src/agent.css b/frontend/packages/agent/src/agent.css
index 8353f45d..6fda797d 100644
--- a/frontend/packages/agent/src/agent.css
+++ b/frontend/packages/agent/src/agent.css
@@ -947,3 +947,88 @@ pre.diff {
   color: var(--purple-dim);
   text-transform: uppercase;
 }
+
+/* ─── /stats page ────────────────────────────────────────────────────────── */
+
+.stats-nav {
+  display: flex;
+  gap: 0.75rem;
+  align-items: baseline;
+  margin-bottom: 0.5rem;
+}
+.stats-nav a { color: var(--cyan); text-decoration: none; }
+.stats-nav a:hover { text-decoration: underline; }
+
+.window-tabs {
+  display: flex;
+  gap: 0.4rem;
+  margin: 0.5rem 0 1rem;
+}
+.window-tabs button {
+  background: var(--bg-elev);
+  color: var(--fg);
+  border: 1px solid var(--border);
+  padding: 0.3rem 0.8rem;
+  font-family: inherit;
+  cursor: pointer;
+}
+.window-tabs button.active {
+  background: var(--purple-dim);
+  border-color: var(--purple);
+  color: var(--purple);
+}
+
+.summary {
+  display: flex;
+  gap: 0.75rem;
+  flex-wrap: wrap;
+  margin-bottom: 1rem;
+}
+.summary .chip {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: stretch;
+  background: var(--bg-elev);
+  border: 1px solid var(--border);
+  padding: 0.5rem 0.9rem;
+  border-radius: 4px;
+  box-sizing: border-box;
+  min-width: 9rem;
+  height: 3.4rem;
+  line-height: 1.2;
+}
+.summary .chip .label {
+  color: var(--muted);
+  font-size: 0.75rem;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+.summary .chip .value {
+  color: var(--cyan);
+  font-weight: bold;
+  font-size: 1.05rem;
+}
+
+.stats-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
+  gap: 1rem;
+}
+.stats-card {
+  background: var(--bg-elev);
+  border: 1px solid var(--border);
+  padding: 0.75rem 1rem 1rem;
+  border-radius: 4px;
+}
+.stats-card h3 {
+  margin: 0 0 0.5rem;
+  color: var(--purple);
+  font-size: 0.95rem;
+  font-weight: normal;
+}
+.stats-card .chart-wrap { position: relative; height: 220px; }
+.stats-card.wide { grid-column: 1 / -1; }
+.stats-card.wide .chart-wrap { height: 260px; }
+
+.stats-empty-note { color: var(--muted); font-style: italic; }
diff --git a/frontend/packages/agent/src/stats.html b/frontend/packages/agent/src/stats.html
index 8b3ae9fd..bab85f85 100644
--- a/frontend/packages/agent/src/stats.html
+++ b/frontend/packages/agent/src/stats.html
@@ -5,60 +5,6 @@
   <title>hyperhive agent — stats</title>
   <link rel="icon" type="image/svg+xml" href="icon">
   <link rel="stylesheet" href="static/agent.css">
-  <style>
-    .stats-nav { display: flex; gap: 0.75rem; align-items: baseline; margin-bottom: 0.5rem; }
-    .stats-nav a { color: var(--cyan); text-decoration: none; }
-    .stats-nav a:hover { text-decoration: underline; }
-    .window-tabs { display: flex; gap: 0.4rem; margin: 0.5rem 0 1rem; }
-    .window-tabs button {
-      background: var(--bg-elev); color: var(--fg);
-      border: 1px solid var(--border); padding: 0.3rem 0.8rem;
-      font-family: inherit; cursor: pointer;
-    }
-    .window-tabs button.active { background: var(--purple-dim); border-color: var(--purple); color: var(--purple); }
-    .summary { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
-    .summary .chip {
-      display: flex;
-      flex-direction: column;
-      justify-content: center;
-      align-items: stretch;
-      background: var(--bg-elev);
-      border: 1px solid var(--border);
-      padding: 0.5rem 0.9rem;
-      border-radius: 4px;
-      box-sizing: border-box;
-      min-width: 9rem;
-      height: 3.4rem;
-      line-height: 1.2;
-    }
-    .summary .chip .label {
-      color: var(--muted);
-      font-size: 0.75rem;
-      text-transform: uppercase;
-      letter-spacing: 0.05em;
-    }
-    .summary .chip .value {
-      color: var(--cyan);
-      font-weight: bold;
-      font-size: 1.05rem;
-    }
-    .grid {
-      display: grid;
-      grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
-      gap: 1rem;
-    }
-    .card {
-      background: var(--bg-elev);
-      border: 1px solid var(--border);
-      padding: 0.75rem 1rem 1rem;
-      border-radius: 4px;
-    }
-    .card h3 { margin: 0 0 0.5rem; color: var(--purple); font-size: 0.95rem; font-weight: normal; }
-    .card .chart-wrap { position: relative; height: 220px; }
-    .card.wide { grid-column: 1 / -1; }
-    .card.wide .chart-wrap { height: 260px; }
-    .empty-note { color: var(--muted); font-style: italic; }
-  </style>
 </head>
 <body>
   <pre class="banner">░▒▓█▓▒░  …  ░▒▓█▓▒░  hyperhive ag3nt · stats  ░▒▓█▓▒░</pre>
@@ -79,15 +25,15 @@
 
   <div class="summary" id="summary"></div>
 
-  <div class="grid">
-    <div class="card wide"><h3>turns per bucket</h3><div class="chart-wrap"><canvas id="chart-turns"></canvas></div></div>
-    <div class="card wide"><h3>turn duration (ms) — p50 / p95 / avg</h3><div class="chart-wrap"><canvas id="chart-duration"></canvas></div></div>
-    <div class="card wide"><h3>context tokens (last inference per turn) — avg / max</h3><div class="chart-wrap"><canvas id="chart-ctx"></canvas></div></div>
-    <div class="card wide"><h3>token cost per bucket (sum across inferences)</h3><div class="chart-wrap"><canvas id="chart-cost"></canvas></div></div>
-    <div class="card wide"><h3>turns by model per bucket — model drives token cost</h3><div class="chart-wrap"><canvas id="chart-model"></canvas></div></div>
-    <div class="card"><h3>top tools</h3><div class="chart-wrap"><canvas id="chart-tools"></canvas></div></div>
-    <div class="card"><h3>wake source mix</h3><div class="chart-wrap"><canvas id="chart-wake"></canvas></div></div>
-    <div class="card"><h3>result mix</h3><div class="chart-wrap"><canvas id="chart-result"></canvas></div></div>
+  <div class="stats-grid">
+    <div class="stats-card wide"><h3>turns per bucket</h3><div class="chart-wrap"><canvas id="chart-turns"></canvas></div></div>
+    <div class="stats-card wide"><h3>turn duration (ms) — p50 / p95 / avg</h3><div class="chart-wrap"><canvas id="chart-duration"></canvas></div></div>
+    <div class="stats-card wide"><h3>context tokens (last inference per turn) — avg / max</h3><div class="chart-wrap"><canvas id="chart-ctx"></canvas></div></div>
+    <div class="stats-card wide"><h3>token cost per bucket (sum across inferences)</h3><div class="chart-wrap"><canvas id="chart-cost"></canvas></div></div>
+    <div class="stats-card wide"><h3>turns by model per bucket — model drives token cost</h3><div class="chart-wrap"><canvas id="chart-model"></canvas></div></div>
+    <div class="stats-card"><h3>top tools</h3><div class="chart-wrap"><canvas id="chart-tools"></canvas></div></div>
+    <div class="stats-card"><h3>wake source mix</h3><div class="chart-wrap"><canvas id="chart-wake"></canvas></div></div>
+    <div class="stats-card"><h3>result mix</h3><div class="chart-wrap"><canvas id="chart-result"></canvas></div></div>
   </div>
 
   <!-- Chart.js is now bundled into stats.js by esbuild (npm dep