Add scatterplot of releases vs. issue-ids

web/styles.css

@@ -279,6 +279,87 @@ li:hover {
     line-height: 1.5;
 }
 
+.issue-plot {
+    margin: 0 0 42px;
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    padding: 20px;
+    background: var(--surface);
+}
+
+.issue-plot-heading {
+    display: flex;
+    align-items: flex-end;
+    justify-content: space-between;
+    gap: 24px;
+    margin-bottom: 16px;
+}
+
+.issue-plot-heading h2,
+.issue-plot-heading p,
+.issue-plot-summary {
+    margin: 0;
+}
+
+.issue-plot-heading p,
+.issue-plot-summary {
+    color: var(--text-muted);
+    font-size: 0.9rem;
+}
+
+.issue-plot-controls {
+    display: flex;
+    flex: 0 0 auto;
+    gap: 12px;
+}
+
+.issue-plot-controls label {
+    color: var(--text-muted);
+    font-size: 0.78rem;
+    font-weight: 600;
+}
+
+.issue-plot-controls select {
+    display: block;
+    min-width: 150px;
+    margin-top: 4px;
+    border: 1px solid var(--border);
+    border-radius: 4px;
+    padding: 7px 28px 7px 9px;
+    background: var(--surface);
+    color: var(--text);
+    font: inherit;
+}
+
+.issue-plot-frame {
+    position: relative;
+    min-height: 460px;
+}
+
+#issue-plot-canvas {
+    display: block;
+    width: 100%;
+    height: 460px;
+}
+
+.issue-plot-tooltip {
+    position: absolute;
+    z-index: 1;
+    pointer-events: none;
+    border-radius: 4px;
+    padding: 6px 9px;
+    background: var(--header);
+    color: var(--header-text);
+    font-size: 0.82rem;
+    white-space: nowrap;
+}
+
+.issue-plot-summary {
+    min-height: 1.3em;
+    margin-top: 8px;
+    text-align: center;
+}
+
 .stats-product {
     margin-top: 32px;
 }
@@ -418,6 +499,21 @@ li:hover {
         gap: 3px;
     }
 
+    .issue-plot {
+        padding: 14px 10px;
+    }
+
+    .issue-plot-heading,
+    .issue-plot-controls {
+        align-items: stretch;
+        flex-direction: column;
+        gap: 10px;
+    }
+
+    .issue-plot-controls select {
+        width: 100%;
+    }
+
     .stats-table th,
     .stats-table td {
         padding: 8px 10px;