:root {
  --bg: #0e1116;
  --panel: #171b22;
  --panel2: #1e242d;
  --line: #2b323c;
  --fg: #d6dee8;
  --muted: #8b97a7;
  --accent: #4aa3ff;
  --good: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Malgun Gothic", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); font-size: 14px; }
.hidden { display: none !important; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 16px; margin: 0; font-weight: 600; letter-spacing: .3px; }
.brand small { color: var(--muted); font-weight: 400; margin-left: 6px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px var(--good); }
nav { display: flex; gap: 4px; }
nav a {
  color: var(--muted); text-decoration: none; padding: 6px 14px; border-radius: 6px; font-weight: 500;
}
nav a:hover { color: var(--fg); background: var(--panel2); }
nav a.active { color: #fff; background: var(--accent); }
.meta { margin-left: auto; color: var(--muted); font-size: 12px; }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 18px; }
.panel h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.panel h3 small { color: var(--muted); font-weight: 400; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

.chartbox { position: relative; height: 240px; }
.chartbox.tall { height: 340px; }

.controls { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; flex-wrap: wrap; }
.controls .lbl { font-weight: 600; }
.controls label { color: var(--muted); display: flex; align-items: center; gap: 6px; }
.controls select {
  background: var(--panel2); color: var(--fg); border: 1px solid var(--line);
  border-radius: 6px; padding: 5px 8px; font-family: var(--font);
}
.chk input { accent-color: var(--accent); }

.seg { display: inline-flex; background: var(--panel2); border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.seg button {
  background: transparent; color: var(--muted); border: 0; padding: 6px 14px; cursor: pointer; font-family: var(--font); font-size: 13px;
}
.seg button.active { background: var(--accent); color: #fff; }

/* summary cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; cursor: pointer; transition: border-color .15s; }
.card:hover { border-color: var(--accent); }
.card .t { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.card .v { font-size: 40px; font-weight: 700; margin: 6px 0 2px; }
.card .u { font-size: 18px; color: var(--muted); font-weight: 500; }
.card .delta { font-size: 13px; font-weight: 600; }
.card .spark { height: 60px; margin-top: 10px; position: relative; }
.up { color: var(--good); } .down { color: var(--bad); } .flat { color: var(--muted); }

/* small multiples */
.smallmults { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.sm { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
.sm .h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.sm .h b { font-size: 13px; } .sm .h span { font-size: 12px; }
.sm .box { position: relative; height: 150px; }

/* legend chips */
.legend { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 20px;
  background: var(--panel2); border: 1px solid var(--line); cursor: pointer; font-size: 12px; user-select: none; }
.chip .sw { width: 10px; height: 10px; border-radius: 50%; }
.chip.off { opacity: .35; }

/* tables */
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; text-align: right; cursor: pointer; position: sticky; top: 0; background: var(--panel); }
td:first-child, th:first-child { text-align: left; }
tr.bad td { background: rgba(248,81,73,.10); }
.badge { padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge.good { background: rgba(63,185,80,.15); color: var(--good); }
.badge.warn { background: rgba(210,153,34,.15); color: var(--warn); }
.badge.bad { background: rgba(248,81,73,.15); color: var(--bad); }

.error { background: rgba(248,81,73,.12); border: 1px solid var(--bad); color: #ffb4ae; padding: 12px 16px; border-radius: 8px; }