:root {
  --bg: #0b0e14;
  --bg-elev: #12161f;
  --bg-card: #161b26;
  --border: #232a38;
  --border-soft: #1c2230;
  --text: #e8edf7;
  --muted: #8b95a8;
  --dim: #5c667a;
  --bid: #22c55e;
  --bid-dim: rgba(34, 197, 94, 0.15);
  --ask: #ef4444;
  --ask-dim: rgba(239, 68, 68, 0.15);
  --fair: #38bdf8;
  --mid: #fbbf24;
  --accent: #a78bfa;
  --ok: #34d399;
  --warn: #f59e0b;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
body {
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(56, 189, 248, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(167, 139, 250, 0.07), transparent);
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* Header */
.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-soft);
}
.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand .sub {
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--mono);
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--muted);
}
.badge.paper {
  color: #c4b5fd;
  border-color: rgba(167, 139, 250, 0.45);
  background: rgba(167, 139, 250, 0.12);
}
.badge.live-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.2);
}
.badge.status-live {
  color: var(--ok);
  border-color: rgba(52, 211, 153, 0.4);
}

/* Grid / cards */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.card h2, .card h3 {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.kpi .label {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.kpi .value {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.kpi .hint {
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--dim);
  font-family: var(--mono);
}
.kpi.mid .value { color: var(--mid); }
.kpi.fair .value { color: var(--fair); }
.kpi.inv .value { color: var(--accent); }
.kpi.risk .value.ok { color: var(--ok); }
.kpi.risk .value.warn { color: var(--warn); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 12px;
  margin-bottom: 16px;
}
.full { margin-bottom: 16px; }

/* Quote ladder */
.ladder {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
}
.ladder-row {
  display: grid;
  grid-template-columns: 64px 1fr 110px;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
}
.ladder-row .tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ladder-row .px {
  font-size: 1rem;
  font-weight: 650;
}
.ladder-row .bar-wrap {
  height: 8px;
  background: #0d1118;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.ladder-row .bar {
  height: 100%;
  border-radius: 4px;
}
.ladder-row.ask { border-color: rgba(239, 68, 68, 0.25); }
.ladder-row.ask .tag, .ladder-row.ask .px { color: var(--ask); }
.ladder-row.ask .bar { background: linear-gradient(90deg, transparent, var(--ask)); width: 72%; margin-left: auto; }
.ladder-row.mid { border-color: rgba(251, 191, 36, 0.3); }
.ladder-row.mid .tag, .ladder-row.mid .px { color: var(--mid); }
.ladder-row.mid .bar { background: var(--mid); width: 50%; margin: 0 auto; opacity: 0.85; }
.ladder-row.fair { border-color: rgba(56, 189, 248, 0.3); }
.ladder-row.fair .tag, .ladder-row.fair .px { color: var(--fair); }
.ladder-row.fair .bar { background: var(--fair); width: 48%; margin: 0 auto; opacity: 0.85; }
.ladder-row.bid { border-color: rgba(34, 197, 94, 0.25); }
.ladder-row.bid .tag, .ladder-row.bid .px { color: var(--bid); }
.ladder-row.bid .bar { background: linear-gradient(90deg, var(--bid), transparent); width: 68%; }
.spread-note {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--mono);
}

/* Chart */
.chart-box {
  position: relative;
  height: 260px;
}
.chart-legend {
  display: flex;
  gap: 14px;
  margin-bottom: 8px;
  font-size: 0.75rem;
  color: var(--muted);
}
.chart-legend span::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 3px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}
.leg-mid::before { background: var(--mid); }
.leg-fair::before { background: var(--fair); }

/* Tables */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.8rem;
}
th, td {
  padding: 9px 10px;
  text-align: right;
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}
th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: right;
}
th:first-child, td:first-child,
th:nth-child(2), td:nth-child(2) {
  text-align: left;
}
tr:hover td { background: rgba(255, 255, 255, 0.02); }
.side-bid { color: var(--bid); font-weight: 650; }
.side-ask { color: var(--ask); font-weight: 650; }
.pos { color: var(--bid); }
.neg { color: var(--ask); }
.na { color: var(--dim); }

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.tab {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
}
.tab:hover { color: var(--text); border-color: #334155; }
.tab.active {
  color: #0b0e14;
  background: var(--fair);
  border-color: var(--fair);
}

/* Params */
.params {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}
.param {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 10px 12px;
}
.param .k {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.param .v {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
}
.notes {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  background: rgba(167, 139, 250, 0.05);
  color: var(--muted);
  font-size: 0.82rem;
}
.notes strong { color: var(--text); }
.notes code {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fair);
}

/* Footer */
.footer {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
  color: var(--dim);
  font-size: 0.78rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}
.footer code { color: var(--muted); font-family: var(--mono); }

@media (max-width: 860px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .chart-box { height: 220px; }
  .brand h1 { font-size: 1.15rem; }
}
@media (max-width: 420px) {
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .kpi .value { font-size: 1.15rem; }
  .ladder-row { grid-template-columns: 52px 1fr 88px; }
}