/* ==============================================================================
   OBA (Order Book Analyses) - Charcoal Institutional Terminal Theme
   ============================================================================== */

:root {
  --bg-charcoal: #111418;
  --bg-surface: #171B21;
  --bg-card: #1B2028;
  --bg-card-hover: #222833;
  --bg-drawer: #15181E;

  --border-subtle: #242A35;
  --border-focus: #374151;

  --text-white: #FFFFFF;
  --text-primary: #F3F4F6;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;

  --accent-green: #10B981;
  --accent-red: #EF4444;
  --accent-cyan: #06B6D4;
  --accent-amber: #F59E0B;
  --accent-purple: #8B5CF6;
  --accent-blue: #3B82F6;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-charcoal);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

/* TOP NAVBAR */
.top-nav {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* OBA Brand Logo */
.brand-block {
  display: flex;
  flex-direction: column;
}

.brand-logo-text {
  font-family: var(--font-sans);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand-sub-text {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-white);
  opacity: 0.85;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* View Switcher Tabs */
.view-tabs {
  display: flex;
  gap: 0.4rem;
  background: var(--bg-charcoal);
  padding: 0.25rem 0.35rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.nav-tab {
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

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

.nav-tab.active {
  background: var(--bg-card);
  color: var(--text-white);
  border: 1px solid var(--border-focus);
}

/* Right Nav Meta */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
}

.meta-label {
  font-size: 0.60rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.meta-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-white);
}

.meta-val.highlight {
  color: var(--accent-green);
}

.sys-pulse.live {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
}

/* APP CONTAINER */
.app-layout {
  max-width: 1260px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem 1.5rem;
}

/* Page Views */
.page-view {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}

.page-view.active {
  display: flex;
}

/* FILTER STRIP */
.filter-strip {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.65rem 1rem;
}

.filter-strip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.filter-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cell-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.pill-group {
  display: flex;
  gap: 0.25rem;
}

.filter-pill {
  background: var(--bg-charcoal);
  color: var(--text-muted);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.60rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  color: var(--text-white);
  border-color: var(--border-subtle);
}

.filter-pill.active {
  background: var(--text-white);
  color: var(--bg-charcoal);
  font-weight: 800;
}

/* KPI STRIP */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}

.kpi-mini-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.kpi-dim {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.kpi-bold {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-white);
}

.kpi-extra {
  font-size: 0.70rem;
  color: var(--text-dim);
}

/* CONTENT BLOCKS */
.content-block {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.block-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: 0.04em;
}

.block-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.badge-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--bg-charcoal);
  color: var(--text-white);
  padding: 0.15rem 0.45rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

/* TRADES CONTAINER & COMPACT EXPANDABLE CARDS */
.trades-card-container {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 0.2rem;
}

.trade-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  overflow: hidden;
  transition: border-color 0.15s, background-color 0.15s;
  cursor: pointer;
}

.trade-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.trade-card.expanded {
  border-color: var(--border-focus);
}

.trade-row-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.95rem;
  font-size: 0.80rem;
  gap: 0.75rem;
}

.trade-cell-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.trade-symbol {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--text-white);
  min-width: 80px;
}

.tf-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.side-badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.side-badge.buy {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.side-badge.sell {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.trade-metric-cell {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.trade-pnl-cell {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.82rem;
  min-width: 85px;
  text-align: right;
}

.expand-chevron {
  font-size: 0.70rem;
  color: var(--text-dim);
  transition: transform 0.2s ease;
}

.trade-card.expanded .expand-chevron {
  transform: rotate(180deg);
}

/* EXPANDABLE DETAIL DRAWER */
.trade-drawer {
  display: none;
  background: var(--bg-drawer);
  border-top: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  font-size: 0.76rem;
}

.trade-card.expanded .trade-drawer {
  display: block;
}

.drawer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
}

.drawer-section-title {
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.drawer-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
}

.drawer-label {
  color: var(--text-muted);
}

.drawer-value {
  color: var(--text-white);
  font-weight: 600;
}

/* AUDIT DEPARTMENT STYLES */
.audit-intro {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.audit-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
}

.audit-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
}

.audit-desc {
  font-size: 0.80rem;
  color: var(--text-muted);
  max-width: 850px;
}

.audit-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
}

.audit-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.audit-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.audit-card-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.audit-card-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-white);
}

.audit-card-sub {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.audit-progress-bar {
  height: 4px;
  background: var(--bg-charcoal);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.2rem;
}

.audit-progress-fill {
  height: 100%;
  background: var(--accent-green);
  transition: width 0.3s ease;
}

/* FORENSIC CLASSIFICATION BADGES */
.quality-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.quality-badge.alpha_edge {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.quality-badge.lucky_drift {
  background: rgba(245, 158, 11, 0.18);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.quality-badge.noise_stop_run {
  background: rgba(239, 68, 68, 0.18);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.quality-badge.trend_reversal {
  background: rgba(139, 92, 246, 0.18);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.4);
}

.quality-badge.fee_trap {
  background: rgba(244, 63, 94, 0.18);
  color: #F43F5E;
  border: 1px solid rgba(244, 63, 94, 0.4);
}

.quality-badge.stalled_timeout {
  background: rgba(6, 182, 212, 0.18);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.4);
}

/* ALERTS FEED BOX */
.alerts-feed-box {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 320px;
  overflow-y: auto;
}

.alert-row {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--border-focus);
  border-radius: 6px;
  padding: 0.55rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  gap: 0.75rem;
}

.alert-row.order_executed { border-left-color: var(--accent-green); }
.alert-row.tp_triggered { border-left-color: var(--accent-green); }
.alert-row.sl_triggered { border-left-color: var(--accent-red); }
.alert-row.risk_rejected { border-left-color: var(--accent-amber); }
.alert-row.time_exit { border-left-color: var(--accent-cyan); }

.alert-txt strong {
  color: var(--text-white);
}

.alert-ts {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  white-space: nowrap;
}

/* EMPTY STATE */
.empty-state {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.80rem;
  padding: 2.5rem 1rem;
}

/* UTILITY COLORS */
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-cyan { color: var(--accent-cyan); }
.text-amber { color: var(--accent-amber); }