:root {
  /* Background hierarchy */
  --bg: #0a0e14;
  --surface: #131920;
  --surface-raised: #1a2028;
  --surface-hover: #1e2630;

  /* Border */
  --border: #252d38;
  --border-light: #2d3748;

  /* Text hierarchy */
  --text: #e2e8f0;
  --text-dim: #8b949e;
  --text-muted: #5c6775;

  /* Semantic colors */
  --accent: #58a6ff;
  --accent-dim: rgba(88, 166, 255, 0.12);
  --green: #3fb950;
  --green-dim: rgba(63, 185, 80, 0.12);
  --red: #f85149;
  --red-dim: rgba(248, 81, 73, 0.12);
  --yellow: #d29922;
  --yellow-dim: rgba(210, 153, 34, 0.12);

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'Menlo', 'Consolas', 'Monaco', monospace;

  /* Spacing */
  --radius: 8px;
  --radius-sm: 4px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  padding: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h2 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
  margin-top: 16px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

h3:first-child { margin-top: 0; }

/* ---- Layout ---- */

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

@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; }
}

/* Edge dashboard row layout (replaces non-functional col-md-*) */
.edge-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
}

@media (max-width: 768px) {
  .edge-row { grid-template-columns: 1fr; }
}

/* ---- Panels ---- */

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

.panel-mb { margin-bottom: 12px; }

/* ---- Status bar ---- */

.status-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
  font-size: 13px;
}

.status-bar-brand {
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.3px;
}

/* ---- Disconnect banner ---- */

.disconnect-banner {
  background: var(--yellow-dim);
  color: var(--yellow);
  text-align: center;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid rgba(210, 153, 34, 0.3);
}

/* ---- Version badge ---- */

.version-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: auto;
  cursor: default;
}

/* ---- Update banner ---- */

.update-banner {
  padding: 6px 16px;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.update-banner.success {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.update-banner.warning {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.badge {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-yellow { background: var(--yellow-dim); color: var(--yellow); }

/* ---- Tables ---- */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th,
tr:first-child > th {
  text-align: left;
  color: var(--text-muted);
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

tbody tr:last-child td,
tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--surface-hover);
}

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.empty {
  color: var(--text-muted);
  font-style: italic;
  padding: 20px 16px;
  text-align: center;
  font-size: 12px;
}

.muted { color: var(--text-muted); font-style: italic; font-size: 13px; padding: 8px 0; }

/* Scrollable table wrapper for wide tables on narrow viewports */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-sm { font-size: 13px; }
.table-sm th, .table-sm td { padding: 4px 6px; }

/* ---- Forms ---- */

label { color: var(--text-dim); font-size: 13px; }

select, input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-family: var(--font);
  font-size: 13px;
  transition: border-color 0.15s;
}

select:focus, input:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
  transition: opacity 0.15s;
}

button:hover { opacity: 0.88; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.danger { background: var(--red); color: #fff; }

/* ---- Tabs ---- */

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tab-bar::-webkit-scrollbar { display: none; }

.tab-btn {
  background: none;
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: 0;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}

.tab-btn:hover { color: var(--text); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Log entries ---- */

.log-entry {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  word-break: break-all;
  white-space: pre-wrap;
  font-family: var(--font-mono);
}

.log-entry.error { color: var(--red); }
.log-entry.success { color: var(--green); }
.log-entry.warn { color: var(--yellow); }
.log-time { color: var(--text-muted); margin-right: 8px; font-family: var(--font-mono); }

/* ---- Quick Trade ---- */

.venue-trade { flex: 1; min-width: 0; }
.venue-trade-header {
  font-size: 12px;
  color: var(--text);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}
.venue-trade-header span { color: var(--text-dim); font-size: 11px; font-weight: 400; }
.market-input { width: 100%; margin-bottom: 8px; }
.qty-row { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.qty-row label { font-size: 10px; color: var(--text-muted); margin-right: 2px; }

.qty-chip {
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-family: var(--font);
  font-size: 10px;
  cursor: pointer;
  font-weight: 500;
  min-width: 28px;
  text-align: center;
  transition: border-color 0.15s, color 0.15s;
}

.qty-chip:hover { color: var(--text); border-color: var(--text-dim); }
.qty-chip.selected { color: var(--text); border-color: var(--accent); background: var(--accent-dim); }
.qty-custom { width: 36px; padding: 3px 4px; font-size: 10px; text-align: center; }
.qty-custom.has-value { border-color: var(--accent); background: var(--accent-dim); }
.trade-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }

.trade-btn {
  padding: 6px 8px;
  font-size: 11px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font);
  transition: opacity 0.15s;
}

.trade-btn:hover { opacity: 0.85; }
.trade-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.trade-btn.buy { background: var(--green-dim); color: var(--green); }
.trade-btn.sell { background: var(--red-dim); color: var(--red); }
.trade-error { color: var(--red); font-size: 10px; margin-top: 4px; min-height: 14px; }

/* ---- Arb Control ---- */

.arb-controls { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.arb-controls label { color: var(--text-dim); font-size: 11px; white-space: nowrap; }
.arb-controls input[type="number"] { width: 64px; }
.arb-controls select { min-width: 80px; }
.arm-row { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.arm-cb { width: 16px; height: 16px; accent-color: var(--green); cursor: pointer; }
.arm-status { font-size: 11px; color: var(--text-dim); font-weight: 500; }
.arm-status.armed { color: var(--yellow); }
.arm-status.triggered { color: var(--green); font-weight: 700; }
.arm-status.blocked { color: var(--red); }

/* ---- Live spread indicator ---- */

.spread-indicator {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.spread-indicator .spread-val {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.spread-indicator .spread-val.positive { color: var(--green); }
.spread-indicator .spread-val.marginal { color: var(--yellow); }
.spread-indicator .spread-val.negative { color: var(--text-dim); }
.spread-indicator .spread-detail { font-size: 11px; color: var(--text-dim); }
.spread-indicator .spread-pattern { font-size: 11px; color: var(--accent); font-weight: 600; }

/* ---- Execution log ---- */

.exec-row-BothFilled { color: var(--green); }
.exec-row-DryRun { color: var(--yellow); }
.exec-row-PartialFill { color: var(--red); }
.exec-row-BothRejected { color: var(--red); opacity: 0.7; }

.div-badge { font-size: 10px; padding: 1px 5px; border-radius: 3px; margin-left: 4px; }
.div-badge.warn { background: var(--red-dim); color: var(--red); font-weight: 600; }
.div-badge.ok { color: var(--text-dim); }

/* ---- Exit Position ---- */

.exit-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.exit-timestamp { color: var(--text-dim); font-size: 11px; }
.exit-emergency { margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.exit-controls { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.exit-controls label { color: var(--text-dim); font-size: 11px; }
.exit-hint { color: var(--text-muted); font-size: 10px; }

.exit-pct-btn {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-family: var(--font);
  font-size: 10px;
  cursor: pointer;
  font-weight: 600;
}

.exit-pct-btn:hover { border-color: var(--red); background: rgba(248, 81, 73, 0.2); }
.exit-pct-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.exit-feedback { font-size: 10px; padding: 2px 8px; }
.exit-feedback.error { color: var(--red); }
.exit-feedback.success { color: var(--green); }

/* ---- Bayesian Edge armed controls ---- */

.armed-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.armed-controls label {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.armed-controls input {
  width: 80px;
}

.armed-status {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.armed-status.armed { color: var(--yellow); background: var(--yellow-dim); }
.armed-status.disarmed { color: var(--text-muted); background: var(--surface-raised); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger {
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

/* ---- Bayesian Edge value coloring ---- */
.positive { color: var(--green); }
.negative { color: var(--red); }
.highlight { color: var(--accent); font-weight: 600; }
.text-muted { color: var(--text-muted); font-style: italic; font-size: 12px; }

/* ---- Oracle panel ---- */

.oracle-panel {
  transition: border-color 0.3s;
}

/* RTDS metrics -- inline, fixed-width values to prevent layout bounce */
.rtds-metrics {
  display: flex;
  gap: 24px;
  padding: 6px 0;
  flex-wrap: wrap;
}

.rtds-item { display: flex; align-items: baseline; gap: 6px; }
.rtds-label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.rtds-value { font-variant-numeric: tabular-nums; min-width: 60px; font-size: 13px; }

/* ---- Signal history scroll ---- */

.signal-history-scroll { max-height: 280px; overflow-y: auto; }

/* ---- Model config bar ---- */

.model-config-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 6px 10px;
  margin-bottom: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.model-config-bar b { color: var(--text); font-weight: 600; }

/* ---- Model sub-tabs ---- */

.model-subtabs {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
.model-subtab {
  padding: 5px 14px;
  font-size: 13px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
}
.model-subtab:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.model-subtab.active {
  color: var(--accent);
  border-color: var(--border);
  background: var(--bg);
  font-weight: 600;
}

/* ---- Model config form ---- */

.model-config-form { padding-top: 4px; }
.config-section-header {
  margin: 12px 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}
.config-actions {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- Overview page ---- */

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.overview-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

@media (max-width: 768px) {
  .overview-grid { grid-template-columns: 1fr; }
}

/* ---- Connection status ---- */

.conn-status {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.conn-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.conn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.conn-dot.ok { background: var(--green); box-shadow: 0 0 6px var(--green); }
.conn-dot.warn { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }

.conn-label {
  font-size: 13px;
  font-weight: 600;
}

.conn-metrics {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-dim);
}

.conn-updated { color: var(--text-muted); }

/* ---- Portfolio summary ---- */

.portfolio-summary h2 { margin-bottom: 8px; }

.metric-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.metric-box {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 10px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.metric-value {
  font-size: 18px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* ---- Strategy cards ---- */

.strategy-card {
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.strategy-card:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.strategy-card.disabled {
  opacity: 0.45;
  cursor: default;
}

.strategy-card.disabled:hover {
  border-color: var(--border);
  background: var(--surface);
}

.sc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.sc-name {
  margin: 0;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
}

.badge.warn { background: var(--yellow-dim); color: var(--yellow); }
.badge.live { background: var(--green-dim); color: var(--green); }
.badge.muted { background: var(--surface-raised); color: var(--text-muted); }

.sc-metrics {
  display: flex;
  gap: 16px;
}

.sc-metric {
  display: flex;
  flex-direction: column;
}

.sc-metric-value {
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.sc-metric-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ---- P&L tab badge ---- */

.tab-pnl {
  font-size: 10px;
  margin-left: 6px;
  padding: 1px 5px;
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

/* ---- Setup Wizard (Story 0235_f) ---- */

.setup-wizard {
  max-width: 640px;
  margin: 32px auto 0;
}

.setup-header {
  text-align: center;
  margin-bottom: 24px;
}

/* Demo mode (Story 0242) */
.badge-demo {
  background: #d97706;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.demo-login-redirect {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}
.demo-login-card {
  text-align: center;
  padding: 48px 32px;
  max-width: 420px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg, #1a1a2e);
}
.demo-login-card h2 {
  margin: 0 0 12px;
  color: var(--text);
}
.demo-login-card p {
  color: var(--text-muted);
  margin: 0 0 8px;
}
.demo-login-desc {
  font-size: 13px;
  margin-bottom: 24px !important;
}
.demo-login-btn {
  display: inline-block;
  padding: 10px 32px;
  background: #3b82f6;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}
.demo-login-btn:hover { background: #2563eb; }

.demo-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
  position: relative;
}

.cta-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #1e3a5f, #1a1a2e);
  border-top: 1px solid var(--border);
  z-index: 100;
}
.cta-text {
  color: var(--text);
  font-weight: 500;
}
.btn-cta {
  display: inline-block;
  padding: 8px 24px;
  background: #3b82f6;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.btn-cta:hover { background: #2563eb; }

/* Orderbook bid/ask flash on price change */
@keyframes flash-green {
  0%   { background-color: rgba(46, 204, 113, 0.35); }
  100% { background-color: transparent; }
}
@keyframes flash-red {
  0%   { background-color: rgba(231, 76, 60, 0.35); }
  100% { background-color: transparent; }
}
.flash-green { animation: flash-green 0.6s ease-out; }
.flash-red   { animation: flash-red 0.6s ease-out; }