:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #64707d;
  --line: #d9dee5;
  --accent: #1f7a8c;
  --accent-2: #8a5a00;
  --shadow: 0 12px 32px rgba(31, 41, 51, 0.08);
}

* {
  box-sizing: border-box;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 36px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

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

h1 {
  font-size: 28px;
}

h2 {
  font-size: 20px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tabs a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  background: #fbfcfd;
}

main {
  width: min(1380px, calc(100% - 48px));
  margin: 24px auto 48px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metrics div,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metrics div {
  padding: 18px;
}

.metrics span {
  display: block;
  font-size: 30px;
  font-weight: 760;
}

.metrics small {
  color: var(--muted);
  font-size: 13px;
}

.panel {
  margin-top: 18px;
  padding: 20px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 14px;
}

.section-heading p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
  font-size: 13px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  background: #eef3f6;
  color: #24313d;
  font-weight: 720;
  z-index: 1;
}

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

tbody tr:hover {
  background: #f7fafb;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.insight-card,
.comparison-card,
.detail-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.insight-card,
.comparison-card {
  padding: 16px;
}

.insight-card h3,
.comparison-card h3,
.detail-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.insight-card p,
.comparison-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 13px;
  white-space: normal;
}

.big-number {
  display: block;
  margin: 8px 0 4px;
  color: var(--accent-2);
  font-size: 28px;
  font-weight: 760;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.comparison-card .big-number {
  font-size: 20px;
}

.detail-card {
  padding: 0;
}

.detail-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.detail-card .detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.detail-card .detail-grid div {
  min-height: 86px;
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.detail-card .detail-grid div:nth-child(4n) {
  border-right: 0;
}

.detail-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.detail-card small {
  color: var(--muted);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

select {
  min-width: 160px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: #ffffff;
  color: var(--ink);
}

.button-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.workload-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.workload-button:hover {
  border-color: var(--accent);
}

.workload-button.active {
  border-color: var(--accent);
  background: #e9f5f7;
  color: #145766;
  font-weight: 720;
}

.interactive-panel {
  display: grid;
  gap: 18px;
}

.interactive-panel .button-strip {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.metric-block {
  display: grid;
  gap: 12px;
}

.metric-block + .metric-block {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.metric-block-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.metric-block-heading h3 {
  margin: 0;
  font-size: 18px;
}

.metric-block-heading p:not(.eyebrow) {
  max-width: 540px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.chart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(360px, 0.9fr);
  gap: 14px;
}

.chart-layout-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.chart-side {
  display: grid;
  gap: 14px;
}

.chart-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  overflow: hidden;
}

#ipc-chart-rob_issue,
#ipc-chart-lq,
#ipc-chart-sq,
#ipc-chart-fu,
#gain-chart-rob_issue,
#gain-chart-lq,
#gain-chart-sq,
#gain-chart-fu,
#eff-chart-lq,
#eff-chart-sq,
#eff-chart-fu {
  display: block;
  width: 100%;
  height: 248px;
}

#ipc-chart-rob_issue,
#gain-chart-rob_issue {
  height: 786px;
}

.axis {
  stroke: #94a1ad;
  stroke-width: 1;
}

.grid-line {
  stroke: #e4e8ee;
  stroke-width: 1;
}

.threshold-line {
  stroke: #b4443f;
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
}

.chart-label {
  fill: var(--muted);
  font-size: 12px;
}

.chart-title {
  fill: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.chart-subtitle {
  fill: var(--muted);
  font-size: 11px;
}

.legend-label {
  fill: var(--ink);
  font-size: 12px;
}

@media (max-width: 860px) {
  .topbar,
  .section-heading,
  .metric-block-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid,
  .detail-card .detail-grid {
    grid-template-columns: 1fr;
  }

  .chart-layout {
    grid-template-columns: 1fr;
  }

  .chart-layout-three {
    grid-template-columns: 1fr;
  }

  #ipc-chart-rob_issue,
  #ipc-chart-lq,
  #ipc-chart-sq,
  #ipc-chart-fu,
  #gain-chart-rob_issue,
  #gain-chart-lq,
  #gain-chart-sq,
  #gain-chart-fu,
  #eff-chart-lq,
  #eff-chart-sq,
  #eff-chart-fu {
    height: 360px;
  }

  .detail-card .detail-grid div {
    border-right: 0;
  }

  main {
    width: min(100% - 24px, 1380px);
  }
}