/* APEX Dashboard Theme — Professional Dark Trading Dashboard */
/* All styles scoped under .apex-dash to prevent global bleed */

/* ===== CSS Variables ===== */
.apex-dash {
  /* Heatmap palette (overview, regime) */
  --bg-primary: #0c0f14;
  --bg-secondary: #151921;
  --bg-tertiary: #1c2230;
  --bg-hover: #252d3d;

  --border-subtle: #2d3748;
  --border-default: #3d4a5c;
  --border-focus: #4a6fa5;

  --text-primary: #f0f4f8;
  --text-secondary: #a0aec0;
  --text-muted: #718096;

  --regime-r0: #22c55e;
  --regime-r1: #f59e0b;
  --regime-r2: #ef4444;
  --regime-r3: #3b82f6;

  --positive: #10b981;
  --negative: #f43f5e;
  --accent-primary: #e07a3b;

  /* Signal/comparison palette */
  --card-bg: #1e293b;
  --card-border: #334155;
  --card-text: #f8fafc;
  --card-muted: #94a3b8;

  /* Base styles */
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }

/* Monospace helper */
.mono { font-family: 'SF Mono', 'Monaco', 'Consolas', monospace; }

/* ===== Navigation ===== */
.dash-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 48px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 1px;
}

.nav-links { display: flex; gap: 4px; }

.nav-link {
  padding: 8px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-link.active { color: var(--text-primary); background: var(--bg-tertiary); }

.nav-timestamp {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== Pages ===== */
.page { display: none; padding-top: 64px; padding-bottom: 32px; }
.page.active { display: block; }
.page-content { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* ===== Section Titles ===== */
.section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 24px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
}

.card-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.card-value { font-size: 24px; font-weight: 700; }
.card-sub { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* ===== ETF Dashboard Cards ===== */
.hm-dashboard {
  margin-bottom: 16px;
}

.hm-category {
  margin-bottom: 12px;
}

.hm-category-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.hm-card-grid {
  display: grid;
  gap: 8px;
}

.hm-card-grid.large { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.hm-card-grid.compact { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.hm-card-grid.mini { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }

/* Dashboard title */
.hm-dashboard-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ETF category wrapper */
.hm-etf-category { margin-bottom: 12px; }

/* Category label (used by overview.ts ETF dashboard) */
.hm-category-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

/* Standalone card grid classes (used by overview.ts) */
.hm-cards-large {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, 1fr);
}

.hm-cards-compact {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hm-cards-compact > .hm-card { min-width: 140px; max-width: 220px; flex: 0 1 auto; }

.hm-cards-mini {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
}

.hm-card-large,
.hm-card-compact,
.hm-card-mini {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.hm-card-large:hover,
.hm-card-compact:hover,
.hm-card-mini:hover {
  background: var(--bg-hover);
  border-color: var(--border-default);
}

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

.hm-card-symbol {
  font-weight: 700;
  font-size: 14px;
}

.hm-card-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.hm-card-symbol.bullish { text-shadow: 0 0 8px rgba(34,197,94,0.4); }
.hm-card-symbol.bearish { text-shadow: 0 0 8px rgba(239,68,68,0.4); }

/* Direction glow on card containers */
.hm-direction-bullish .hm-card-symbol { text-shadow: 0 0 8px rgba(16,185,129,0.5); }
.hm-direction-bearish .hm-card-symbol { text-shadow: 0 0 8px rgba(239,68,68,0.5); }
.hm-direction-neutral .hm-card-symbol { text-shadow: none; }

/* Positive/negative text color helpers */
.hm-positive { color: var(--positive); }
.hm-negative { color: var(--negative); }

.hm-card-price {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 2px;
}

.hm-card-change {
  font-size: 13px;
  font-weight: 600;
}

.hm-sparkline {
  height: 20px;
  margin-top: 6px;
}

.hm-sparkline svg {
  width: 100%;
  height: 100%;
}

.hm-card-compact .hm-card-symbol { font-size: 13px; }
.hm-card-compact .hm-card-price { font-size: 15px; }

.hm-card-compact { display: flex; align-items: center; gap: 6px; }

.hm-card-mini {
  padding: 8px;
  text-align: center;
}

.hm-card-mini .hm-card-symbol { font-size: 12px; }
.hm-card-mini .hm-card-change { font-size: 11px; }

/* ===== Regime Badge ===== */
.regime-badge,
.hm-regime {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.regime-badge.r0, .hm-regime.hm-regime-r0 { background: var(--regime-r0); }
.regime-badge.r1, .hm-regime.hm-regime-r1 { background: var(--regime-r1); color: #000; }
.regime-badge.r2, .hm-regime.hm-regime-r2 { background: var(--regime-r2); }
.regime-badge.r3, .hm-regime.hm-regime-r3 { background: var(--regime-r3); }
.hm-regime.hm-regime-unknown { background: var(--bg-tertiary); color: var(--text-muted); }

.regime-badge-large {
  text-align: center;
  padding: 24px;
  margin-bottom: 16px;
}

.regime-badge-large .badge-regime {
  display: inline-block;
  font-size: 36px;
  font-weight: 700;
  padding: 8px 24px;
  border-radius: 12px;
  color: #fff;
}

.regime-badge-large .badge-regime.r0 { background: var(--regime-r0); }
.regime-badge-large .badge-regime.r1 { background: var(--regime-r1); color: #000; }
.regime-badge-large .badge-regime.r2 { background: var(--regime-r2); }
.regime-badge-large .badge-regime.r3 { background: var(--regime-r3); }

.regime-badge-large .badge-details {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Controls Bar ===== */
.hm-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.hm-controls label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hm-controls .legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
}

.hm-controls .legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
}

.score-gradient {
  width: 80px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(to right, #ef4444, #f59e0b, #22c55e);
}

/* ===== Stats Bar ===== */
.hm-stats {
  display: flex;
  gap: 16px;
  padding: 8px 16px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hm-stats span { white-space: nowrap; }

/* ===== Treemap Container ===== */
.hm-treemap-container {
  min-height: 500px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

/* ===== Chart Containers ===== */
.chart-container {
  width: 100%;
  height: 500px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  resize: vertical;
  margin-bottom: 16px;
}

.chart-container-sm {
  width: 100%;
  height: 120px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 8px;
}

/* ===== Signals Stacked Chart Layout ===== */
.signals-chart-wrapper {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}
.signals-chart-title {
  padding: 12px 16px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.signals-chart-pane { width: 100%; }
.signals-chart-main { height: 420px; }
.signals-chart-sub { height: 140px; border-top: 1px solid var(--border-subtle); }

/* ===== Table Container ===== */
.table-container { margin-bottom: 16px; }

/* ===== Collapsible Sections ===== */
.section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.section-header:hover { color: var(--text-primary); background: var(--bg-hover); }

.section-header .chevron {
  transition: transform 0.2s;
  font-size: 10px;
}

.section-header.expanded .chevron { transform: rotate(90deg); }

.section-content {
  display: none;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 8px 8px;
  margin-top: -4px;
  margin-bottom: 8px;
  overflow-x: auto;
}

.section-content.expanded { display: block; }

/* Legacy details/summary sections */
.strategies-container details {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  margin-bottom: 8px;
}

.strategies-container summary {
  padding: 12px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.strategies-container summary:hover { color: var(--text-primary); }

/* ===== Metric Cards (signals, strategy summaries) ===== */
.metric-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px;
}

.metric-card .metric-label {
  font-size: 11px;
  color: var(--card-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.metric-card .metric-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--card-text);
}

.metric-card .metric-sub {
  font-size: 12px;
  color: var(--card-muted);
  margin-top: 2px;
}

/* Metric cards in a horizontal row (screener summaries) */
.metric-cards-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.metric-cards-row .metric-card {
  min-width: 140px;
  flex: 1;
}

/* ===== Strategy Scorecards (backtest overview) ===== */
.scorecards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.strategy-scorecard {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 16px;
}

.scorecard-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.strategy-name {
  font-size: 15px;
  font-weight: 700;
}

.scorecard-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}

.scorecard-metrics .metric {
  text-align: center;
}

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

.scorecard-metrics .metric-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--card-text);
}

/* Tab content area (backtest tabs) */
.tab-content {
  margin-top: 0;
}

/* Confidence bar */
.confidence-bar {
  display: inline-block;
  width: 40px;
  height: 6px;
  background: #334155;
  border-radius: 3px;
  overflow: hidden;
  vertical-align: middle;
}

.confidence-bar-fill {
  height: 100%;
  border-radius: 3px;
}

/* ===== Signal Direction Badges ===== */
.signal-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.signal-badge.buy { background: rgba(16, 185, 129, 0.15); color: var(--positive); }
.signal-badge.sell { background: rgba(244, 63, 94, 0.15); color: var(--negative); }
.signal-badge.entry { background: rgba(16, 185, 129, 0.2); color: var(--positive); }
.signal-badge.exit { background: rgba(239, 68, 68, 0.15); color: var(--negative); }

/* ===== Quality Badges (screeners) ===== */
.quality-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.quality-badge.strong { background: #1a3a1a; color: #3fb950; }
.quality-badge.moderate { background: #3a2a0a; color: #d29922; }
.quality-badge.marginal { background: #2a2a2a; color: #8b949e; }

/* Regime badges for screeners */
.regime-badge-sm { font-size: 11px; padding: 1px 6px; }
.regime-badge-sm.r0 { background: #1a3a1a; color: #3fb950; }
.regime-badge-sm.r1 { background: #3a2a0a; color: #d29922; }
.regime-badge-sm.r2 { background: #3a1a1a; color: #f85149; }
.regime-badge-sm.r3 { background: #1a2a3a; color: #58a6ff; }

/* ===== Health Badges (backtest) ===== */
.health-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.health-badge.healthy { background: #1a3a1a; color: #3fb950; }
.health-badge.needs-work { background: #3a2a0a; color: #d29922; }
.health-badge.broken { background: #3a1a1a; color: #f85149; }
.health-badge.baseline { background: #1a2a3a; color: #58a6ff; }

.tier-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

/* ===== Comparison Tabs (8 tabs for backtest) ===== */
.comparison-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.comparison-tabs .tab-btn {
  padding: 8px 16px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px 6px 0 0;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.comparison-tabs .tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.comparison-tabs .tab-btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

/* ===== Heatmap Grid ===== */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 4px;
  margin-bottom: 16px;
}

.hm-cell {
  padding: 8px 4px;
  text-align: center;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  color: #fff;
}

.hm-cell:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.hm-cell.r0 { background: rgba(34,197,94,0.25); border: 1px solid var(--regime-r0); color: var(--regime-r0); }
.hm-cell.r1 { background: rgba(245,158,11,0.2); border: 1px solid var(--regime-r1); color: var(--regime-r1); }
.hm-cell.r2 { background: rgba(239,68,68,0.2); border: 1px solid var(--regime-r2); color: var(--regime-r2); }
.hm-cell.r3 { background: rgba(59,130,246,0.2); border: 1px solid var(--regime-r3); color: var(--regime-r3); }

.hm-cell .cell-symbol { font-weight: 700; font-size: 12px; }
.hm-cell .cell-change { font-size: 10px; margin-top: 2px; }

/* ===== Overview Layout ===== */
.overview-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.movers-container, .alerts-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
}

.movers-container h4, .alerts-container h4 {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 12px;
}

.mover-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 13px;
  cursor: pointer;
}

.mover-row:hover { color: var(--text-primary); }

.mover-symbol { font-weight: 600; }
.mover-change.up { color: var(--positive); }
.mover-change.down { color: var(--negative); }

.alert-item {
  padding: 6px 8px;
  margin-bottom: 4px;
  border-radius: 4px;
  font-size: 13px;
  background: var(--bg-tertiary);
}

.alert-buy { border-left: 3px solid var(--positive); }
.alert-sell { border-left: 3px solid var(--negative); }

/* ===== Signals Controls ===== */
.signals-controls, .controls {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.dash-select {
  padding: 8px 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 14px;
  min-width: 160px;
}

.dash-select:focus { outline: none; border-color: var(--border-focus); }

.tf-tabs, .timeframe-buttons { display: flex; gap: 4px; }

.tf-btn {
  padding: 6px 14px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tf-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.tf-btn.active { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }

.signals-overlays {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.overlay-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.overlay-toggle input { accent-color: var(--accent-primary); }

/* ===== Screener Tabs ===== */
.screener-tabs { display: flex; gap: 4px; margin-bottom: 16px; }

.tab-btn {
  padding: 8px 20px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.tab-btn.active { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }

.screener-panel { display: none; }
.screener-panel.active { display: block; }

/* ===== Regime Filter Bar ===== */
.regime-filter-bar { display: flex; gap: 6px; margin-bottom: 12px; }

.filter-btn {
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: background 0.15s;
}

.filter-btn:hover { background: var(--bg-hover); }
.filter-btn.active { color: #fff; }
.filter-btn.active[data-filter="all"] { background: var(--accent-primary); border-color: var(--accent-primary); }
.filter-btn.active[data-filter="R0"] { background: var(--regime-r0); border-color: var(--regime-r0); }
.filter-btn.active[data-filter="R1"] { background: var(--regime-r1); border-color: var(--regime-r1); color: #000; }
.filter-btn.active[data-filter="R2"] { background: var(--regime-r2); border-color: var(--regime-r2); }
.filter-btn.active[data-filter="R3"] { background: var(--regime-r3); border-color: var(--regime-r3); }

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 14px;
}

.empty-state code {
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--accent-primary);
}

/* ===== Loading Spinner ===== */
.loading-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(12,15,20,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Signal Table ===== */
.signal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.signal-table th {
  background: var(--bg-tertiary);
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.signal-table td {
  padding: 6px 12px;
  border-bottom: 1px solid rgba(45,55,72,0.3);
}

.signal-table tr:hover td { background: var(--bg-hover); }
.signal-table tr.row-buy { background: rgba(16, 185, 129, 0.10); }
.signal-table tr.row-sell { background: rgba(239, 68, 68, 0.10); }
.signal-table tr.row-entry { background: rgba(16, 185, 129, 0.15); }
.signal-table tr.row-top-detected { background: rgba(168, 85, 247, 0.10); }

.signal-buy { color: var(--positive); }
.signal-sell { color: var(--negative); }

/* ===== Tabulator Theme Overrides ===== */
.tabulator {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 8px !important;
  font-size: 13px !important;
}

.tabulator .tabulator-header {
  background: var(--bg-tertiary) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
}

.tabulator .tabulator-header .tabulator-col {
  background: var(--bg-tertiary) !important;
  border-right: 1px solid var(--border-subtle) !important;
}

.tabulator .tabulator-row {
  border-bottom: 1px solid rgba(45,55,72,0.5) !important;
}

.tabulator .tabulator-row:hover {
  background: var(--bg-hover) !important;
}

.tabulator .tabulator-row .tabulator-cell {
  border-right: 1px solid rgba(45,55,72,0.3) !important;
}

/* ===== Alignment Meter ===== */
.alignment-meter {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--negative), var(--regime-r1), var(--positive));
  position: relative;
  margin: 8px 0;
}

.alignment-meter-marker {
  position: absolute;
  top: -4px;
  width: 4px;
  height: 16px;
  background: #fff;
  border-radius: 2px;
  transform: translateX(-50%);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hm-card-grid.large { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .hm-cards-large { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .dash-nav {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 16px;
    gap: 8px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .nav-timestamp { order: 2; }
  .page { padding-top: 96px; }
  .page-content { padding: 0 12px; }
  .overview-row { grid-template-columns: 1fr; }
  .hm-cards-large { grid-template-columns: 1fr; }
  .chart-container { height: 350px; }
  .signals-chart-main { height: 280px; }
  .signals-chart-sub { height: 100px; }
  .heatmap-grid { grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); }
  .hm-controls { flex-direction: column; align-items: stretch; }
}

@media (max-width: 640px) {
  .metric-cards { grid-template-columns: 1fr 1fr; }
  .comparison-tabs { gap: 1px; }
  .comparison-tabs .tab-btn { padding: 6px 10px; font-size: 12px; }
}

/* ===== Monitor Page ===== */

.monitor-summary {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  margin-bottom: 12px;
}

.monitor-summary-total {
  font-weight: 600;
  font-size: 16px;
  margin-right: 8px;
}

.monitor-summary-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--text-secondary);
}

.monitor-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.dash-input {
  padding: 8px 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 14px;
  min-width: 160px;
}

.dash-input:focus { outline: none; border-color: var(--border-focus); }
.dash-input::placeholder { color: var(--text-muted); }

.monitor-status { font-size: 16px; }
.monitor-status.pass { color: var(--regime-r0); }
.monitor-status.warn { color: var(--regime-r1); }
.monitor-status.caution { color: #f97316; }
.monitor-status.fail { color: var(--regime-r2); }
.monitor-status.empty { color: var(--text-muted); }

.monitor-cov { font-family: 'SF Mono', monospace; font-size: 13px; }
.monitor-cov.pass { color: var(--regime-r0); }
.monitor-cov.warn { color: var(--regime-r1); }
.monitor-cov.caution { color: #f97316; }
.monitor-cov.fail { color: var(--regime-r2); }

.tier-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.tier-badge.sp500 { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.tier-badge.nq100 { background: rgba(168, 85, 247, 0.2); color: #c084fc; }
.tier-badge.screener { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

/* Monitor Drill-Down */

.monitor-detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.monitor-back-btn {
  padding: 6px 14px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.monitor-back-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.monitor-symbol-title {
  font-size: 20px;
  font-weight: 700;
}

.monitor-symbol-meta {
  font-size: 14px;
  color: var(--text-secondary);
}

.monitor-tf-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.monitor-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.monitor-chart-container {
  height: 350px;
  margin-bottom: 16px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.monitor-detail-sections { margin-top: 16px; }

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

.detail-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.detail-table td:first-child {
  color: var(--text-secondary);
  width: 150px;
}

.collapsible-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  margin-bottom: 8px;
}

.collapsible-section summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
}

.collapsible-section .section-content {
  padding: 0 16px 16px;
}