Replace stale Grafana hero with live operations panel

style.css

@@ -460,6 +460,94 @@ h1 {
   border: 1px solid #20232a;
 }
 
+.live-ops-panel {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 1px;
+  border: 1px solid #20232a;
+  background: var(--line);
+}
+
+.ops-chart,
+.ops-status-grid {
+  background: #070a0f;
+}
+
+.ops-chart {
+  min-height: 150px;
+  padding: 16px;
+}
+
+.ops-chart-head {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: 12px;
+}
+
+.ops-chart-head span,
+.ops-status-grid span {
+  color: var(--dim);
+  font: .56rem var(--mono);
+  letter-spacing: .08em;
+}
+
+.ops-chart-head strong {
+  color: var(--green);
+  font: 500 1.1rem var(--mono);
+}
+
+.ops-bars {
+  height: 86px;
+  margin-top: 18px;
+  display: flex;
+  align-items: flex-end;
+  gap: 4px;
+  border-bottom: 1px solid #26313c;
+  background:
+    linear-gradient(to top, transparent 24%, #121820 25%, transparent 26%, transparent 49%, #121820 50%, transparent 51%, transparent 74%, #121820 75%, transparent 76%);
+}
+
+.ops-bars i {
+  flex: 1 1 0;
+  min-width: 3px;
+  height: var(--bar-height, 4%);
+  background: var(--green);
+  opacity: .72;
+  transition: height .25s ease;
+}
+
+.ops-chart:nth-child(2) .ops-bars i {
+  background: var(--cyan);
+}
+
+.ops-status-grid {
+  grid-column: 1 / -1;
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: 1px;
+  background: var(--line);
+}
+
+.ops-status-grid div {
+  min-height: 70px;
+  padding: 13px 16px;
+  background: #080c12;
+}
+
+.ops-status-grid strong {
+  display: block;
+  margin-top: 9px;
+  color: var(--muted);
+  font: 500 .82rem var(--mono);
+}
+
+.window-bar small {
+  color: var(--dim);
+  font: .52rem var(--mono);
+  letter-spacing: .05em;
+}
+
 .activity-panel {
   padding: 24px 18px;
   border-left: 1px solid var(--line);
@@ -1191,6 +1279,19 @@ footer {
     grid-template-columns: 1fr 1fr;
   }
 
+  .live-ops-panel {
+    grid-template-columns: 1fr;
+  }
+
+  .ops-status-grid {
+    grid-column: 1;
+    grid-template-columns: 1fr 1fr;
+  }
+
+  .window-bar small {
+    display: none;
+  }
+
   .metric {
     min-height: 112px;
   }