:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #17202a;
  --muted: #657282;
  --border: #d9dee5;
  --ok: #1f8f4d;
  --warn: #b56b00;
  --bad: #b42318;
  --accent: #2454a6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 20px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

h1, h2, h3, p {
  margin: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  font-size: 16px;
  margin-bottom: 12px;
}

p {
  color: var(--muted);
}

button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-weight: 650;
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

main {
  padding: 20px 28px 32px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat, aside, .detail {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.stat {
  padding: 14px;
}

.stat strong {
  display: block;
  font-size: 26px;
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
}

aside {
  padding: 14px;
  align-self: start;
}

.target-list {
  display: grid;
  gap: 8px;
}

.target {
  width: 100%;
  text-align: left;
  display: grid;
  gap: 4px;
}

.target.active {
  border-color: var(--accent);
}

.target .name {
  font-weight: 750;
}

.target .meta {
  color: var(--muted);
  font-size: 13px;
}

.pill {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 750;
}

.healthy { color: var(--ok); background: #e8f6ee; }
.drift { color: var(--warn); background: #fff4df; }
.error { color: var(--bad); background: #fdecea; }
.unknown { color: var(--muted); background: #eef1f5; }

.detail {
  min-height: 520px;
  padding: 18px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.metric h3 {
  font-size: 14px;
  margin-bottom: 8px;
}

.metric h3 span {
  color: var(--muted);
  font-weight: 600;
}

.metric ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.metric li {
  margin: 6px 0;
}

canvas {
  width: 100%;
  height: 176px;
  display: block;
}

.runs {
  margin-top: 18px;
  border-top: 1px solid var(--border);
}

.run {
  display: grid;
  grid-template-columns: 160px 90px 1fr 80px;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.empty {
  color: var(--muted);
}

@media (max-width: 900px) {
  .summary, .layout, .grid {
    grid-template-columns: 1fr;
  }
}