:root {
  --bg: #0b1221;
  --panel: #121a2f;
  --accent: #2f80ed;
  --accent-2: #29b6f6;
  --text: #e6edf7;
  --muted: #89a0c2;
  --green: #27ae60;
  --red: #eb5757;
  --yellow: #f2c94c;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #0c1730, #0b1221);
  color: var(--text);
}

.dashboard { max-width: 1920px; margin: 0 auto; padding: 16px; }
.header { display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center; margin-bottom: 16px; }
.title { font-size: 28px; font-weight: 700; letter-spacing: 1px; }
.actions { display: flex; gap: 10px; }
.actions button {
  padding: 8px 12px; border: 1px solid #1f2a45; border-radius: 8px;
  background: linear-gradient(180deg, #1a2645, #132041);
  color: var(--text); cursor: pointer;
}
.actions button:hover { border-color: var(--accent); }
.time { justify-self: end; color: var(--muted); font-variant-numeric: tabular-nums; }

.kpi-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 16px;
}
.kpi-card {
  background: linear-gradient(180deg, #141d33, #0f1830);
  border: 1px solid #1f2a45; border-radius: 12px; padding: 14px;
}
.kpi-title { color: var(--muted); font-size: 12px; }
.kpi-value { font-size: 22px; font-weight: 700; margin-top: 6px; }
.kpi-delta { margin-top: 4px; font-size: 12px; color: var(--green); }

.charts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.panel { background: var(--panel); border: 1px solid #1f2a45; border-radius: 12px; overflow: hidden; }
.panel-title { padding: 10px 12px; border-bottom: 1px solid #1f2a45; color: var(--muted); }
.chart { width: 100%; height: 320px; }

.table-section { margin-top: 16px; background: var(--panel); border: 1px solid #1f2a45; border-radius: 12px; overflow: hidden; }
.table-header { padding: 10px 12px; border-bottom: 1px solid #1f2a45; color: var(--muted); }
.table-wrapper { max-height: 360px; overflow: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { position: sticky; top: 0; background: #0f1830; color: var(--muted); padding: 8px; font-weight: 600; }
tbody td { border-top: 1px solid #1f2a45; padding: 8px; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: rgba(47, 128, 237, 0.08); }

@media (max-width: 1400px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .charts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
}