:root {
  color-scheme: light dark;
  --accent: #4f7cff;
  --bg: #0e1117;
  --card: #161b22;
  --border: #2a3140;
  --text: #e6edf3;
  --muted: #8b949e;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa;
    --card: #ffffff;
    --border: #d0d7de;
    --text: #1f2328;
    --muted: #57606a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  max-width: 900px;
  margin-inline: auto;
}
header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
h1 { font-size: 1.4rem; margin: 0; }
.muted { color: var(--muted); font-size: 0.85rem; }

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.kpi .value { font-size: 1.6rem; font-weight: 700; }
.kpi .label { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }

.charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
@media (min-width: 700px) {
  .charts { grid-template-columns: 1fr 1fr; }
  .charts .card:first-child { grid-column: 1 / -1; }
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  overflow-x: auto;
}
.card h2 { font-size: 0.95rem; margin: 0 0 10px; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }