Add result curve discovery dashboard

frontend/src/styles.css

@@ -32,7 +32,7 @@ button, textarea, select {
   font: inherit;
 }
 
-input {
+input, select {
   font: inherit;
   color: var(--ink);
 }
@@ -477,10 +477,20 @@ textarea {
 }
 
 .datasetCard {
+  width: 100%;
+  display: block;
+  text-align: left;
   padding: 12px;
   border: 1px solid var(--line);
   border-radius: 7px;
   background: #101310;
+  color: var(--ink);
+  cursor: pointer;
+}
+
+.datasetCard.selected {
+  border-color: var(--green);
+  background: rgba(157, 226, 111, 0.08);
 }
 
 .datasetCardHead {
@@ -619,6 +629,136 @@ meter {
   white-space: pre-wrap;
 }
 
+.curvePanel {
+  display: grid;
+  gap: 10px;
+}
+
+.curvePanel select {
+  width: 100%;
+  height: 38px;
+  padding: 0 10px;
+  border-radius: 6px;
+  border: 1px solid var(--line);
+  background: var(--field);
+}
+
+.curveSvg, .curveEmpty {
+  width: 100%;
+  aspect-ratio: 2.7 / 1;
+  min-height: 160px;
+  border: 1px solid var(--line);
+  border-radius: 7px;
+  background: #080a08;
+}
+
+.curveSvg .axis {
+  stroke: rgba(238, 242, 232, 0.28);
+  stroke-width: 1;
+}
+
+.curveSvg .gridLine {
+  stroke: rgba(238, 242, 232, 0.08);
+  stroke-width: 1;
+}
+
+.curveLegend {
+  display: grid;
+  gap: 7px;
+}
+
+.curveLegend a {
+  display: grid;
+  grid-template-columns: 10px minmax(0, 1fr) auto;
+  align-items: center;
+  gap: 8px;
+  padding: 8px;
+  border: 1px solid var(--line);
+  border-radius: 6px;
+  background: #101310;
+  text-decoration: none;
+  color: var(--ink);
+}
+
+.curveLegend i {
+  width: 10px;
+  height: 10px;
+  border-radius: 999px;
+}
+
+.curveLegend span {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+@media (max-width: 980px) {
+  body {
+    min-width: 0;
+  }
+
+  .shell {
+    grid-template-columns: 1fr;
+  }
+
+  .rail {
+    position: static;
+    height: auto;
+    display: grid;
+    grid-template-columns: auto 1fr;
+    gap: 12px;
+    padding: 14px;
+  }
+
+  .brand {
+    margin-bottom: 0;
+  }
+
+  nav {
+    grid-template-columns: repeat(6, minmax(0, 1fr));
+    align-items: center;
+  }
+
+  nav a {
+    justify-content: center;
+    padding: 10px 6px;
+  }
+
+  nav a svg {
+    flex: none;
+  }
+
+  nav a {
+    font-size: 0;
+  }
+
+  .workspace {
+    padding: 16px;
+  }
+
+  .topbar, .panelHead {
+    align-items: flex-start;
+    gap: 12px;
+  }
+
+  .metrics,
+  .grid.two,
+  .grid.three,
+  .taskColumns {
+    grid-template-columns: 1fr;
+  }
+
+  .coverageGrid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
+  .opGrid,
+  .sampleStrip,
+  .taskCheckList {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
 .resultList a:hover, .jobRow:hover {
   border-color: var(--green);
 }
@@ -665,7 +805,7 @@ meter {
   white-space: nowrap;
 }
 
-@media (max-width: 1180px) {
+@media (min-width: 981px) and (max-width: 1180px) {
   body { min-width: 960px; }
   .shell { grid-template-columns: 220px 1fr; }
   .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }