:root {
  --bg: #0c0e14;
  --panel: #13161e;
  --panel-2: #181b25;
  --border: #2a2f3a;
  --text: #d6d9e0;
  --text-dim: #8b919e;
  --accent: #4ad28a;
  --warn: #f0c674;
  --bad: #e06c75;
  --info: #61afef;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, 'Roboto Mono', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.4;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

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

.brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.brand .title {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.2px;
}

.brand .subtitle {
  color: var(--text-dim);
  font-size: 12px;
}

.status {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.status .sep { margin: 0 6px; opacity: 0.5; }

.conn-connected   { color: var(--accent); }
.conn-disconnected { color: var(--bad); }
.conn-reconnecting { color: var(--warn); }

.conn-connected::before,
.conn-disconnected::before,
.conn-reconnecting::before {
  content: '●';
  margin-right: 4px;
}

/* ── KPI row ──────────────────────────────────────────────────────────── */

.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 14px 20px;
}

.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
}

.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-dim);
}

.kpi-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  margin: 4px 0 2px;
  letter-spacing: -0.5px;
}

.kpi-value.positive { color: var(--accent); }
.kpi-value.negative { color: var(--bad); }
.kpi-value.neutral  { color: var(--text); }

.kpi-detail {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
}

/* ── Panes ────────────────────────────────────────────────────────────── */

.pane {
  margin: 6px 20px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.pane-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
}

.pane-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--info);
  background: rgba(97, 175, 239, 0.12);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(97, 175, 239, 0.3);
}

.pane-sub {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 12px;
  font-family: var(--mono);
  margin-left: auto;
}

.pane-sub.mocked {
  color: var(--warn);
}

/* ── Chart grid ───────────────────────────────────────────────────────── */

.chart-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
}

.chart-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }
.chart-grid.grid-2 { grid-template-columns: repeat(2, 1fr); }
.chart-grid.grid-1 { grid-template-columns: 1fr; }

.chart {
  background: var(--panel);
  min-height: 290px;
  padding: 4px;
}

/* ── Inventory mini-panel ─────────────────────────────────────────────── */

.inventory-panel {
  font-family: var(--mono);
  font-size: 11px;
  padding: 10px 12px;
  overflow: auto;
  max-height: 320px;
}

.inventory-panel h4 {
  margin: 0 0 8px 0;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.1px;
}

.inventory-panel .inv-meta {
  color: var(--text-dim);
  font-size: 10px;
  margin-bottom: 6px;
}

.inventory-panel table {
  width: 100%;
  border-collapse: collapse;
}

.inventory-panel th {
  text-align: right;
  padding: 4px 8px 4px 4px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-weight: 500;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  position: sticky;
  top: 0;
  background: var(--panel);
}

.inventory-panel th:first-child,
.inventory-panel td:first-child { text-align: left; }

.inventory-panel td {
  padding: 3px 8px 3px 4px;
  border-bottom: 1px solid rgba(42, 47, 58, 0.4);
  white-space: nowrap;
  text-align: right;
}

.inventory-panel tr:hover td { background: rgba(97, 175, 239, 0.05); }

.inventory-panel .venue-pm   { color: var(--info); }
.inventory-panel .venue-kal  { color: var(--warn); }
.inventory-panel .dim        { color: var(--text-dim); }

/* ── Venue blocks (pane 3 — liquidity + volume) ──────────────────────── */

.venue-block {
  background: var(--panel);
  padding: 14px 16px 16px;
  font-family: var(--mono);
  font-size: 12px;
  min-height: 290px;
  display: flex;
  flex-direction: column;
}

.venue-block .vb-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.venue-block .vb-venue {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.2px;
}

.venue-block .vb-venue.hip4   { color: var(--accent); }
.venue-block .vb-venue.pm     { color: #ffa657; }
.venue-block .vb-venue.kalshi { color: var(--info); }

.venue-block .vb-sub {
  font-size: 10.5px;
  color: var(--text-dim);
  font-family: var(--mono);
}

.venue-block table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}

.venue-block table.vb-tbl td {
  padding: 4px 4px 4px 0;
  border-bottom: 1px solid rgba(42, 47, 58, 0.4);
  white-space: nowrap;
}

.venue-block table.vb-tbl td.vb-k {
  color: var(--text-dim);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  width: 50%;
}

.venue-block table.vb-tbl td.vb-v {
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.venue-block table.vb-tbl td.vb-v.dim { color: var(--text-dim); }
.venue-block table.vb-tbl td.vb-v.positive { color: var(--accent); }
.venue-block table.vb-tbl td.vb-v.warn { color: var(--warn); }

.venue-block .vb-section-h {
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 12px 0 4px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(42, 47, 58, 0.6);
}

.venue-block .vb-section-h:first-child { margin-top: 0; }

.venue-block .vb-empty {
  color: var(--text-dim);
  font-size: 11px;
  font-style: italic;
  margin-top: 18px;
  text-align: center;
}

/* ── Footer ───────────────────────────────────────────────────────────── */

.footnote {
  padding: 12px 20px 24px;
  color: var(--text-dim);
  font-size: 11px;
  font-family: var(--mono);
  border-top: 1px solid var(--border);
}

.footnote code {
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 10.5px;
}

/* ── Plotly overrides (dark theme already applied via app.js layout) ── */

.js-plotly-plot .plotly .modebar {
  filter: invert(0.85);
  opacity: 0.5;
}
.js-plotly-plot .plotly .modebar:hover { opacity: 0.9; }

@media (max-width: 1200px) {
  .chart-grid.grid-3 { grid-template-columns: repeat(2, 1fr); }
  .chart-grid.grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .kpi-row { grid-template-columns: 1fr; }
  .chart-grid.grid-3,
  .chart-grid.grid-2 { grid-template-columns: 1fr; }
}

.chart-cell {
  position: relative;
  background: var(--panel);
}

.info-icon {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 11px;
  font-style: italic;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  cursor: help;
  z-index: 10;
  user-select: none;
}
.info-icon:hover,
.info-icon:focus-visible {
  color: var(--info);
  border-color: var(--info);
  outline: none;
}
.info-icon::after {
  content: attr(data-tip);
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: max-content;
  max-width: 280px;
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
  white-space: normal;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 120ms ease, transform 120ms ease;
  z-index: 20;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.info-icon:hover::after,
.info-icon:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}