:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #16212b;
  --muted: #5b6b78;
  --line: #d8dde5;
  --accent: #0f766e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(165deg, #e8f0e2 0%, var(--bg) 40%, #f7efe1 100%);
  min-height: 100vh;
}

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

header {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 6px;
  font-size: 1.55rem;
}

.meta {
  margin: 0;
  color: var(--muted);
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px 12px;
  margin-bottom: 16px;
}

.chart-card h2 {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 1.15rem;
  text-transform: capitalize;
}

.chart-card .description {
  background: #f7f9fb;
  border: 1px solid #e3e6ec;
  border-radius: 8px;
  padding: 10px 14px;
  margin: 0 0 12px;
  font-size: 0.93rem;
  line-height: 1.5;
  color: #2c3742;
}

.chart-card .description p {
  margin: 0 0 6px;
}

.chart-card .description p:last-child {
  margin: 0;
}

.chart-card .description .maps {
  margin: 0 0 8px;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-card .description .maps strong {
  color: var(--accent);
  font-weight: 600;
}

.chart-card .sdks {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.plotly-target {
  width: 100%;
  height: 460px;
}

.empty {
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 28px;
  text-align: center;
  color: var(--muted);
}

.empty h2 {
  color: var(--ink);
  margin: 0 0 6px;
}