/* ── Falcon Fleet Analytics — Dark Theme ──────────────────────────── */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-card-hover: #1f2b42;
  --bg-input: #0f1729;
  --border: #1e2d4a;
  --border-light: #2a3a5c;
  --text-primary: #e8edf5;
  --text-secondary: #8b95a8;
  --text-muted: #5a6478;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --green-muted: rgba(34, 197, 94, 0.15);
  --red: #ef4444;
  --red-muted: rgba(239, 68, 68, 0.15);
  --yellow: #eab308;
  --yellow-muted: rgba(234, 179, 8, 0.15);
  --purple: #a855f7;
  --cyan: #06b6d4;
  --orange: #f97316;

  --f1-color: #3b82f6;
  --f2-color: #22c55e;
  --f3-color: #a855f7;
  --fx-color: #f97316;

  --sidebar-width: 240px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 8px;
  --radius-lg: 12px;
}

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

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────── */

#sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.logo {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  font-size: 24px;
  color: var(--accent);
}

.logo-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  list-style: none;
  padding: 12px 8px;
  flex: 1;
}

.nav-links li { margin: 1px 0; }

.nav-divider {
  padding: 16px 12px 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.nav-link {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
}

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

.nav-link.active {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
}

.nav-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

.disclosure-trigger {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--yellow);
  cursor: pointer;
  text-align: center;
  background: var(--yellow-muted);
  transition: all 0.15s;
}

.disclosure-trigger:hover { opacity: 0.8; }

.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 20px;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
}

/* ── Main Content ────────────────────────────────────────────────── */

#content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 24px 32px;
  max-width: 1400px;
}

/* ── Section ─────────────────────────────────────────────────────── */

.section { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.section-header {
  margin-bottom: 24px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ── Cards ────────────────────────────────────────────────────────── */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.2s;
}

.metric-card:hover { border-color: var(--border-light); }

.metric-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.metric-value.positive { color: var(--green); }
.metric-value.negative { color: var(--red); }
.metric-value.neutral { color: var(--text-primary); }

.metric-detail {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── Chart Container ─────────────────────────────────────────────── */

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.chart-title {
  font-size: 16px;
  font-weight: 600;
}

.chart-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chart-btn {
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.chart-btn:hover { border-color: var(--accent); color: var(--accent); }
.chart-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

.chart-wrap { position: relative; height: 400px; width: 100%; }
.chart-wrap.short { height: 250px; }
.chart-wrap canvas { width: 100% !important; height: 100% !important; }

/* ── Tables ───────────────────────────────────────────────────────── */

.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}

.table-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.table-title { font-size: 16px; font-weight: 600; }

.table-scroll { overflow-x: auto; }

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

th {
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

th:hover { color: var(--text-secondary); }
th.sorted { color: var(--accent); }

td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tr:hover td { background: var(--bg-card-hover); }

.cell-positive { color: var(--green); }
.cell-negative { color: var(--red); }
.cell-mono { font-family: var(--font-mono); font-size: 12px; }
.cell-dim { color: var(--text-muted); }

/* ── Pagination ───────────────────────────────────────────────────── */

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}

.pagination-info {
  font-size: 12px;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  gap: 4px;
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: white; }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Filters ──────────────────────────────────────────────────────── */

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.filter-select, .filter-input {
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-sans);
  min-width: 120px;
}

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

.filter-btn {
  padding: 6px 16px;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: white;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  align-self: flex-end;
}

.filter-btn:hover { background: var(--accent-hover); }

.filter-btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* ── Bot Badge ────────────────────────────────────────────────────── */

.bot-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.bot-badge.falcon1 { background: rgba(59,130,246,0.15); color: var(--f1-color); }
.bot-badge.falcon2 { background: rgba(34,197,94,0.15); color: var(--f2-color); }
.bot-badge.falcon3 { background: rgba(168,85,247,0.15); color: var(--f3-color); }
.bot-badge.falconx { background: rgba(249,115,22,0.15); color: var(--fx-color); }

/* ── Two Column Layout ────────────────────────────────────────────── */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.three-col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

/* ── Disclosure Banner ────────────────────────────────────────────── */

.disclosure-banner {
  background: var(--yellow-muted);
  border: 1px solid rgba(234, 179, 8, 0.3);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 12px;
  color: var(--yellow);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.disclosure-banner strong { color: var(--text-primary); }

/* ── Modal ────────────────────────────────────────────────────────── */

.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.modal-overlay.show { display: flex; }

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

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

.modal-header h2 { font-size: 18px; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
}

.modal-body { padding: 20px; }

.disclosure-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.disclosure-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.disclosure-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--yellow-muted);
  color: var(--yellow);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

.disclosure-item p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ── Loading ──────────────────────────────────────────────────────── */

.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  gap: 16px;
}

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

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

/* ── Stat Row ─────────────────────────────────────────────────────── */

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.stat-row:last-child { border-bottom: none; }
.stat-label { color: var(--text-secondary); }
.stat-value { font-weight: 600; font-family: var(--font-mono); }

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .two-col, .three-col { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 768px) {
  #sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  #sidebar.open { transform: translateX(0); }

  .mobile-menu-btn { display: block; }

  #content {
    margin-left: 0;
    padding: 16px;
    padding-top: 56px;
  }

  .chart-wrap { height: 300px; }
  .chart-wrap.short { height: 200px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .metric-card { padding: 12px; }
  .metric-value { font-size: 18px; }
  .filter-bar { flex-direction: column; }
}

/* ── Yearly Table ─────────────────────────────────────────────────── */

.yearly-table {
  width: 100%;
  font-size: 12px;
}

.yearly-table th {
  padding: 6px 8px;
  font-size: 10px;
}

.yearly-table td {
  padding: 6px 8px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
}

.yearly-table td:first-child {
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 600;
}

/* ── Tabs ─────────────────────────────────────────────────────────── */

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

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

/* ── Sub-nav items ────────────────────────────────────────────────── */

.nav-sub .nav-link.sub {
  padding-left: 28px;
  font-size: 12px;
  color: var(--text-muted);
  position: relative;
}

.nav-sub .nav-link.sub::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  transform: translateY(-50%);
}

.nav-sub .nav-link.sub:hover {
  color: var(--text-secondary);
}

.nav-sub .nav-link.sub.active {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.05);
}

.nav-sub .nav-link.sub.active::before {
  background: var(--accent);
}

/* ── Overview Section Dividers ────────────────────────────────────── */

.overview-section-divider {
  margin: 48px 0 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.overview-section-divider h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.overview-section-divider p {
  color: var(--text-secondary);
  font-size: 13px;
}

/* ── Statistics Blocks ────────────────────────────────────────────── */

.stats-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  overflow: hidden;
}

.stats-block-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.stats-block-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 16px;
}

.stats-block-icon.returns { background: rgba(59, 130, 246, 0.15); }
.stats-block-icon.risk { background: rgba(239, 68, 68, 0.15); }
.stats-block-icon.trade { background: rgba(34, 197, 94, 0.15); }
.stats-block-icon.dist { background: rgba(168, 85, 247, 0.15); }
.stats-block-icon.capital { background: rgba(249, 115, 22, 0.15); }

.stats-block-title {
  font-size: 16px;
  font-weight: 600;
}

.stats-block-body {
  padding: 20px;
}

/* ── Heatmap ──────────────────────────────────────────────────────── */

.heatmap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.heatmap-table th {
  padding: 6px 8px;
  font-size: 10px;
  text-align: center;
}

.heatmap-table td {
  padding: 8px 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: 4px;
  border: 2px solid var(--bg-card);
}

.heatmap-table td:first-child {
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 600;
  background: transparent !important;
}

.heatmap-cell-positive { background: rgba(34, 197, 94, 0.2); color: var(--green); }
.heatmap-cell-strong-positive { background: rgba(34, 197, 94, 0.35); color: var(--green); }
.heatmap-cell-negative { background: rgba(239, 68, 68, 0.2); color: var(--red); }
.heatmap-cell-strong-negative { background: rgba(239, 68, 68, 0.35); color: var(--red); }
.heatmap-cell-neutral { background: rgba(139, 149, 168, 0.1); color: var(--text-muted); }

/* ── Model Badge ──────────────────────────────────────────────────── */

.model-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--yellow-muted);
  color: var(--yellow);
  vertical-align: middle;
  margin-left: 4px;
  letter-spacing: 0.05em;
}

/* ── Side Stats Grid ──────────────────────────────────────────────── */

.stats-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stats-metric-item {
  padding: 12px;
  background: var(--bg-primary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.stats-metric-item .label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stats-metric-item .value {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.stats-metric-item .detail {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ── Long/Short Comparison ────────────────────────────────────────── */

.ls-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ls-card {
  padding: 16px;
  background: var(--bg-primary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.ls-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.ls-card.long h4 { color: var(--green); }
.ls-card.short h4 { color: var(--red); }

@media (max-width: 768px) {
  .ls-compare { grid-template-columns: 1fr; }
  .stats-metric-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ── Live Trades ──────────────────────────────────────────────────── */

.live-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
  vertical-align: middle;
  margin-left: 8px;
  letter-spacing: 0.05em;
  animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.engine-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent);
  white-space: nowrap;
}

.occupancy-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
}

.occupancy-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* ── Live Nav dot ─────────────────────────────────────────────────── */

.nav-live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 6px;
  animation: live-pulse 2s ease-in-out infinite;
}