:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --bg-card: #141a22;
  --border: #222c38;
  --fg: #e6edf3;
  --muted: #7d8ca0;
  --accent: #58a6ff;
  --bn: #ffc107;
  --mx-btc: #2196f3;
  --sui: #00bcd4;
  --green: #2ecc71;
  --red: #ff4d4f;
  --yellow: #f5a623;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  height: 100%;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  height: 44px;
  background: var(--bg-alt);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 14px;
}
.lag-note {
  color: var(--muted);
  font-weight: 400;
  font-size: 11px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.seg button {
  background: transparent;
  color: var(--muted);
  border: 0;
  border-right: 1px solid var(--border);
  padding: 4px 10px;
  font: inherit;
  cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button:hover { color: var(--fg); }
.seg button.on {
  background: var(--bg-card);
  color: var(--fg);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.status {
  color: var(--muted);
  font-size: 11px;
  min-width: 110px;
  text-align: right;
}
.status.ok { color: var(--green); }
.status.err { color: var(--red); }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(260px, 1fr);
  gap: 0;
  height: calc(100vh - 44px);
}

.chart-wrap {
  position: relative;
  padding: 10px 14px 14px 14px;
  overflow: hidden;
  border-right: 1px solid var(--border);
  min-width: 0;
}
#chart { width: 100% !important; height: 100% !important; }

.price-labels {
  position: absolute;
  right: 20px;
  top: 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 3;
  pointer-events: none;
  font-size: 13px;
  font-weight: 500;
}
.price-labels .pl {
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(13,17,23,0.7);
  backdrop-filter: blur(2px);
  text-align: right;
}

.sidebar {
  padding: 10px 10px 14px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 8px 10px;
}
.card-title {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.card.lag {
  background: linear-gradient(180deg, #1a2533 0%, var(--bg-card) 100%);
}
.lag-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1;
}
.lag-value.lag-good { color: var(--green); }
.lag-value.lag-mid  { color: var(--yellow); }
.lag-value.lag-none { color: var(--muted); }
.lag-corr { color: var(--muted); font-size: 11px; margin-top: 4px; }

.window-open {
  display: none;
  padding: 0;
  overflow: hidden;
}
.window-open.on { display: block; }
.window-open .badge {
  background: var(--red);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 10px;
  text-align: center;
  letter-spacing: 1px;
  animation: blink 0.7s steps(2, start) infinite;
}
.window-open .badge-sub {
  text-align: center;
  padding: 4px 10px 8px;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
@keyframes blink { 50% { opacity: 0.35; } }

table.stats {
  width: 100%;
  border-collapse: collapse;
}
table.stats td {
  padding: 2px 0;
  vertical-align: top;
}
table.stats td.k { color: var(--muted); font-size: 11px; }
table.stats td.v { text-align: right; font-variant-numeric: tabular-nums; }
.v.up   { color: var(--green); }
.v.down { color: var(--red); }

@media (max-width: 1420px) {
  .layout { grid-template-columns: minmax(0, 3.2fr) 280px; }
}
@media (max-width: 1200px) {
  html, body { font-size: 12px; }
  .layout { grid-template-columns: minmax(0, 2.6fr) 260px; }
  .lag-value { font-size: 24px; }
}