:root {
  --bg: #0b0f14;
  --panel: #121821;
  --line: #1e2836;
  --text: #e8eef7;
  --muted: #8b9bb0;
  --accent: #5eead4;
  --warn: #fbbf24;
  --danger: #f87171;
  --ok: #34d399;
  --demo: #a78bfa;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  min-height: 100%;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 16px 14px 28px; }
.top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.brand { display: flex; gap: 10px; align-items: center; }
.logo { color: var(--accent); font-size: 22px; }
.title { font-weight: 700; letter-spacing: 0.02em; }
.sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  padding: 4px 8px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--muted);
}
.badge.demo { color: #ede9fe; background: #2e1065; border-color: #6d28d9; }
.badge.live.on { color: var(--ok); }
.badge.live.off { color: var(--danger); }
.badge.range.in { color: var(--ok); }
.badge.range.out { color: var(--warn); }

.metrics {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 12px;
}
@media (min-width: 560px) {
  .metrics { grid-template-columns: repeat(4, 1fr); }
}
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
}
.k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.v { font-size: 18px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.v.pos { color: var(--ok); }
.v.neg { color: var(--danger); }

.chart-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 12px;
}
.chart-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 8px; }
.muted { color: var(--muted); }
.chart {
  display: flex; align-items: flex-end; gap: 2px; height: 180px;
  padding: 8px 4px 0; border-radius: 10px; background: #0a0e13;
}
.bar {
  flex: 1; min-width: 0; border-radius: 3px 3px 1px 1px;
  background: linear-gradient(180deg, #2dd4bf 0%, #0f766e 100%);
  opacity: 0.55; transition: height 0.35s ease, opacity 0.25s, background 0.25s;
}
.bar.active {
  opacity: 1;
  background: linear-gradient(180deg, #fde68a 0%, #f59e0b 100%);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.45);
}
.bar.edge { opacity: 0.35; }
.axis {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 8px; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums;
}
.active-lbl { color: var(--warn); font-weight: 600; }
.foot {
  margin-top: 14px; display: flex; justify-content: space-between; gap: 8px;
  font-size: 11px; color: var(--muted);
}

.badge.live.err { color: var(--danger); }
.err {
  margin: 10px 0 0; padding: 8px 10px; border-radius: 10px;
  background: #3f1d1d; border: 1px solid #7f1d1d; color: #fecaca;
  font-size: 12px; word-break: break-word;
}