:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f8fbff;
  --line: #dbe4f1;
  --line-2: #bfcee2;
  --text: #142037;
  --muted: #66758d;
  --navy: #172b67;
  --blue: #1f66cf;
  --soft-blue: #dcecff;
  --bad: #b13b4a;
  --bad-bg: #fde8eb;
  --ok-bg: #e7f0ff;
}

* { box-sizing: border-box; }

html {
  height: 100%;
  overflow: hidden;
}

body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(180deg, #f7f9ff 0, var(--bg) 180px);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

button, select { font: inherit; }

.appHeader {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.topLine, main {
  max-width: 1500px;
  margin: 0 auto;
}

.topLine {
  display: grid;
  grid-template-columns: minmax(250px, 1fr) minmax(120px, 0.35fr) minmax(150px, 0.45fr) minmax(260px, 0.8fr) minmax(360px, 0.9fr);
  gap: 10px;
  align-items: end;
  padding: 7px 22px 6px;
}

h1, h2, h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  color: var(--navy);
  font-size: 17px;
}

.topLine p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

label {
  display: grid;
  gap: 3px;
  color: #354255;
  font-size: 11px;
  font-weight: 760;
}

select {
  min-height: 28px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 5px 8px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.metrics > div,
.summary,
.stageView,
.plotCard,
.tableWrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
}

.metrics > div {
  padding: 5px 8px;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 740;
}

.metrics strong {
  display: block;
  margin-top: 1px;
  font-size: 15px;
}

main {
  padding: 8px 22px 10px;
  overflow: hidden;
}

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  padding: 7px 10px;
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 13px;
}

.summary strong { color: var(--text); }

.summaryMessage {
  flex-basis: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  font-weight: 760;
}

.summaryMessage.info,
.summaryMessage.success {
  color: var(--blue);
  background: var(--ok-bg);
}

.summaryMessage.error {
  color: var(--bad);
  background: var(--bad-bg);
}

.plotCard {
  margin-bottom: 12px;
  overflow: hidden;
}

.plotToolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.plotToolbar label {
  min-width: 120px;
}

.plotBox {
  width: 100%;
  height: calc(100vh - 220px);
  min-height: 360px;
}

.stageNav {
  display: flex;
  gap: 4px;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 22px 1px;
  overflow-x: auto;
  border-top: 1px solid #eef1f4;
}

.stageNav button {
  min-height: 36px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 740;
  padding: 4px 10px 5px;
  text-align: left;
  white-space: nowrap;
}

.stageNav button:hover,
.stageNav button:focus-visible {
  color: var(--blue);
}

.stageNav button.active {
  color: var(--navy);
  border-bottom-color: var(--blue);
}

.stageNav button strong,
.stageNav button span {
  display: block;
}

.stageNav button strong {
  font-size: 12px;
}

.stageNav button span {
  display: none;
  margin-top: 0;
  font-size: 10px;
  font-weight: 650;
}

.stageView {
  overflow: hidden;
}

.stageHead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px;
  background: linear-gradient(90deg, #ffffff 0, #f5f9ff 100%);
  border-bottom: 1px solid var(--line);
}

.stageHead h2 {
  color: var(--navy);
  font-size: 17px;
}

.stageHead p {
  margin: 1px 0 0;
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}

.stageHint {
  color: #47566d;
  font-size: 12px;
  font-weight: 720;
  text-align: right;
}

.tableWrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  white-space: nowrap;
}

th, td {
  padding: 7px 9px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-variant-numeric: tabular-nums;
}

th {
  position: sticky;
  top: 0;
  background: #edf5ff;
  color: #263a72;
  font-size: 12px;
  z-index: 1;
}

td.num {
  text-align: right;
}

tr:last-child td {
  border-bottom: 0;
}

.badge {
  display: inline-flex;
  min-height: 21px;
  align-items: center;
  padding: 2px 7px;
  border-radius: 5px;
  background: #edf1f5;
  color: #445265;
  font-size: 12px;
  font-weight: 760;
}

.badge.match {
  background: var(--soft-blue);
  color: var(--blue);
}

.badge.default {
  background: var(--soft-blue);
  color: var(--navy);
}

.badge.mismatch,
.badge.struct {
  background: var(--bad-bg);
  color: var(--bad);
}

.empty {
  color: var(--muted);
  padding: 20px;
}

@media (max-width: 980px) {
  .topLine {
    grid-template-columns: 1fr;
  }
}