:root {
  --bg-primary: #0d141d;
  --bg-secondary: #151c26;
  --bg-tertiary: #19202a;
  --bg-card: #242a34;
  --bg-hover: #2e353f;
  --border-color: rgba(148, 163, 184, 0.15);
  --text-primary: #dce3f0;
  --text-secondary: #b9ccb2;
  --text-tertiary: #84967e;
  --accent-cyan: #00daf3;
  --accent-orange: #fbbc00;
  --accent-purple: #72ff70;
  --accent-green: #00e639;
  --accent-pink: #ffdfa0;
  --success: #00e639;
  --warning: #fbbc00;
  --error: #ffb4ab;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "Space Grotesk", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.history-lab {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: rgba(13, 20, 29, 0.8);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
}

.navbar-left,
.navbar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo::before {
  content: "";
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: url("./assets/flight-observatory-logo.svg") center / contain no-repeat;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.25));
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(0, 230, 57, 0.12);
  color: var(--accent-green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-radius: 4px;
  text-transform: uppercase;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0, 218, 243, 0.06);
}

.nav-link.active {
  color: var(--accent-green);
  background: rgba(0, 230, 57, 0.08);
  font-weight: 700;
}

.lab-navbar {
  background: rgba(13, 20, 29, 0.85);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.lab-badge {
  background: rgba(0, 218, 243, 0.12);
  color: var(--accent-cyan);
}

.lab-shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.lab-shell {
  position: relative;
}

.lab-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: center;
  padding: 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.lab-kicker {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.lab-hero-copy h1 {
  font-size: clamp(26px, 4vw, 40px);
  margin-bottom: 12px;
  font-weight: 600;
  color: #f9fafb;
}

.lab-subtitle {
  color: #9ca3af;
  max-width: 520px;
}

.lab-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.mode-switch {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(21, 28, 38, 0.96), rgba(14, 20, 29, 0.95));
}

.mode-switch h2 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 2px 0 6px;
  color: var(--text-primary);
}

.mode-switch p {
  color: var(--text-secondary);
  max-width: 72ch;
}

.mode-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.mode-switch-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.mode-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(13, 20, 29, 0.72);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 12px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: all 0.2s ease;
}

.mode-link:hover {
  color: var(--text-primary);
  border-color: rgba(0, 218, 243, 0.32);
  background: rgba(0, 218, 243, 0.08);
}

.mode-link.active {
  color: var(--accent-green);
  border-color: rgba(0, 230, 57, 0.26);
  background: rgba(0, 230, 57, 0.11);
}

.lab-stat {
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.lab-stat-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
}

.lab-stat-value {
  display: block;
  margin-top: 6px;
  font-size: 17px;
  font-weight: 600;
  font-family: var(--font-display);
}

.lab-filters {
  margin-top: 28px;
}

.filter-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 12px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(21, 28, 38, 0.96), rgba(14, 20, 29, 0.95));
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.10);
}


.cockpit-panel {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.10);
  background: linear-gradient(180deg, rgba(21, 28, 38, 0.96), rgba(14, 20, 29, 0.95));
  box-shadow: inset 0 0 0 1px rgba(0, 218, 243, 0.05);
  overflow: hidden;
}

.lab-shell .mode-switch {
  margin-top: 8px;
}

.cockpit-panel::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(59, 130, 246, 0.06);
  border-radius: 10px;
  pointer-events: none;
}

.filter-group label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 8px;
}

.filter-group {
  display: grid;
  gap: 6px;
  padding: 0;
  min-width: 0;
  border: 0;
  background: transparent;
}

.filter-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 10px;
  min-height: 42px;
}

.filter-input:focus {
  outline: none;
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.filter-range {
  display: grid;
  gap: 8px;
}

.filter-range input[type="range"] {
  width: 100%;
}

.filter-hint {
  font-size: 12px;
  color: #8ea0ba;
  margin-top: 2px;
  line-height: 1.35;
}

.filter-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: center;
  grid-column: 1 / -1;
  justify-content: end;
  justify-self: end;
  width: min(260px, 100%);
}

.lab-btn {
  background: var(--accent-green);
  color: #06140b;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
  min-height: 34px;
}

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

@media (max-width: 1100px) {
  .filter-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .filter-panel {
    grid-template-columns: 1fr;
  }
  .filter-actions {
    width: 100%;
    justify-self: stretch;
  }
}

.filter-note {
  margin-top: 10px;
  font-size: 12px;
  color: #8ea0ba;
  line-height: 1.5;
}

.day-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: linear-gradient(180deg, rgba(19, 25, 34, 0.98), rgba(12, 18, 26, 0.95));
}

.day-picker label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 8px;
}

.day-picker input[type="date"] {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 10px;
  min-height: 42px;
}

.day-picker input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.95);
}

.day-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

.day-status {
  font-size: 12px;
  color: var(--text-secondary);
  align-self: center;
}

.lab-metrics {
  margin: 36px 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 16px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.stat-label {
  font-family: var(--font-display);
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}

.stat-value {
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-display);
}

.lab-section {
  margin-top: 36px;
}

.lab-section-note {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 20px;
}

.section-head p {
  color: var(--text-secondary);
  margin-top: 6px;
}

.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 218, 243, 0.12);
  color: var(--accent-cyan);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.chart-panel {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  min-height: 300px;
  display: flex;
  flex-direction: column;
}

.chart-panel.wide {
  grid-column: span 2;
  min-height: 340px;
}

.chart-panel h3 {
  font-size: 13px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.chart-panel canvas {
  flex: 1 1 auto;
  min-height: 220px;
}

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

.lab-table th,
.lab-table td {
  padding: 10px 6px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  text-align: left;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.insight-card {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  display: flex;
}

.insight-card h4 {
  font-size: 15px;
  margin-bottom: 6px;
}

.insight-card p {
  color: #9ca3af;
  font-size: 13px;
}

.query-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.query-panel textarea {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.5;
}

.query-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.query-status {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: auto;
}

.query-results {
  max-height: 320px;
  overflow: auto;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
}

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

.query-results th,
.query-results td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  text-align: left;
}

.lab-loading-overlay {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(13, 20, 29, 0.62);
  backdrop-filter: blur(8px);
  z-index: 9999;
  pointer-events: auto;
}

.lab-loading-overlay.is-visible {
  display: grid;
}

.lab-loading-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(36, 42, 52, 0.98), rgba(21, 28, 38, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
  max-width: min(520px, calc(100vw - 32px));
}

.lab-loading-spinner {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(0, 218, 243, 0.2);
  border-top-color: var(--accent-cyan);
  border-right-color: var(--accent-green);
  animation: lab-spin 0.8s linear infinite;
  flex-shrink: 0;
}

.lab-loading-title {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.lab-loading-text {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 13px;
}

@keyframes lab-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}


@media (max-width: 900px) {
  .chart-panel.wide {
    grid-column: span 1;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Dashboard Layout */
.dashboard {
  min-height: 100vh;
}

.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Header Section */
.header-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.header-content h1 {
  font-size: clamp(28px, 5vw, 40px);
  margin-bottom: 8px;
  font-weight: 700;
}

.header-content p {
  font-size: 15px;
  color: var(--text-secondary);
}

.header-info {
  display: flex;
  gap: 16px;
}

.info-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: center;
}

.info-box .label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
}

.info-box .value {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--text-primary);
}

/* Metrics Grid */
.metrics-section {
  margin-bottom: 48px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.metric-card {
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.metric-card:hover {
  background: var(--bg-hover);
  border-color: rgba(0, 218, 243, 0.35);
}

.metric-card .metric-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.metric-card .metric-value {
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1;
}

.metric-card .metric-change {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.metric-card.highlight {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
}

/* Filter Section */
.filter-section {
  margin-bottom: 40px;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.filter-container label {
  display: block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.filter-input-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

#airportFilter {
  flex: 1;
  min-width: 180px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-body);
  transition: all 0.2s ease;
}

#airportFilter:focus {
  outline: none;
  background: var(--bg-secondary);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 218, 243, 0.12);
}

.filter-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 10px;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  padding: 10px 18px;
  border: none;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--accent-green);
  color: #06140b;
  box-shadow: 0 4px 12px rgba(0, 230, 57, 0.12);
}

.btn-primary:hover {
  background: #7cff78;
  box-shadow: 0 4px 16px rgba(0, 230, 57, 0.2);
}

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

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--text-primary);
}

/* Sections */
.charts-section,
.tables-section,
.insights-section {
  margin-bottom: 48px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.02em;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.charts-grid.wide {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.chart-card {
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  min-height: 300px;
}

.chart-card:hover {
  background: var(--bg-hover);
  border-color: rgba(0, 218, 243, 0.25);
}

.chart-card h3 {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.chart-card canvas {
  flex: 1 1 auto;
  min-height: 220px;
  display: block;
}

.chart-card.wide {
  grid-column: 1 / -1;
  min-height: 340px;
}

.chart-card.wide canvas {
  min-height: 260px;
}

/* Tables */
.tables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.tables-grid.wide {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.table-card {
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.table-card.wide {
  grid-column: 1 / -1;
}

.table-card h3 {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.table-wrapper {
  overflow: auto;
  max-height: 400px;
}

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

.table-wrapper thead {
  position: sticky;
  top: 0;
  background: rgba(13, 20, 29, 0.96);
  z-index: 10;
}

.table-wrapper th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
}

.table-wrapper td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  color: var(--text-primary);
  font-family: var(--font-body);
}

.table-wrapper tbody tr:hover {
  background: rgba(0, 218, 243, 0.04);
}

.table-wrapper tbody tr:last-child td {
  border-bottom: none;
}

.airline-cell {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.airline-cell-compact {
  gap: 8px;
}

.airline-logo,
.airline-fallback {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 8px;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.airline-logo {
  object-fit: contain;
  background: rgba(255, 255, 255, 0.92);
  padding: 3px;
}

.airline-fallback {
  background: linear-gradient(135deg, rgba(0, 218, 243, 0.18), rgba(0, 230, 57, 0.18));
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.airline-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.airline-leaderboard {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.airline-leaderboard-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(13, 20, 29, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.airline-rank,
.airline-count {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.airline-count {
  color: var(--accent-cyan);
}

/* Insights */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.insight-card {
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.insight-card:hover {
  background: var(--bg-hover);
  border-color: rgba(0, 218, 243, 0.25);
}

.insight-card .insight-tag {
  display: inline-block;
  padding: 4px 8px;
  background: rgba(0, 218, 243, 0.12);
  color: var(--accent-cyan);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 8px;
}

.insight-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.insight-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Loading & Empty States */
.hint {
  padding: 32px 16px;
  text-align: center;
  color: var(--text-tertiary);
  font-style: italic;
}

/* Responsive */
@media (max-width: 1024px) {
  .header-section {
    flex-direction: column;
    gap: 20px;
  }

  .charts-grid,
  .charts-grid.wide {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (max-width: 768px) {
  .main-container {
    padding: 20px 16px;
  }

  .navbar {
    flex-direction: column;
    gap: 16px;
    padding: 12px 16px;
  }

  .header-section {
    flex-direction: column;
    margin-bottom: 32px;
  }

  .header-info {
    width: 100%;
    gap: 12px;
  }

  .info-box {
    flex: 1;
  }

  .filter-input-group {
    flex-direction: column;
  }

  .filter-input-group > *,
  .filter-actions,
  .day-actions {
    width: 100%;
  }

  #airportFilter {
    min-width: 100%;
  }

  .filter-actions,
  .day-actions {
    grid-template-columns: 1fr;
  }

  .map-header {
    flex-direction: column;
    align-items: stretch;
  }

  .map-controls {
    width: 100%;
    justify-content: stretch;
  }

  .map-controls > *,
  .map-controls input[type="date"],
  .map-toggle {
    width: 100%;
  }

  .charts-grid,
  .charts-grid.wide {
    grid-template-columns: 1fr;
  }

  .tables-grid,
  .tables-grid.wide {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-card,
  .table-card {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .header-info {
    flex-direction: column;
    width: 100%;
  }

  .navbar-left,
  .navbar-right {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }

  .logo {
    width: 100%;
    text-align: center;
  }

  .logo::before {
    width: 24px;
    height: 24px;
  }

  .filter-panel,
  .day-panel,
  .query-panel,
  .map-section {
    padding: 16px;
  }
}

/* Section descriptions */
.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: -12px;
  margin-bottom: 16px;
}

/* Ghost Fleet Section */
.ghost-section {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 12px;
  padding: 20px;
}

.ghost-counter {
  text-align: center;
  padding: 20px;
}

.ghost-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-purple);
  text-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.ghost-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Leaderboard Table */
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.leaderboard-table th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(13, 20, 29, 0.92);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.leaderboard-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.leaderboard-table tr:hover {
  background: rgba(0, 218, 243, 0.04);
}

.leaderboard-table .rank {
  color: var(--accent-orange);
  font-weight: 700;
}

.leaderboard-table .icao {
  font-family: var(--font-display);
  color: var(--accent-cyan);
}

.leaderboard-table .speed {
  color: var(--accent-pink);
  font-weight: 600;
}

.leaderboard-table .knots {
  color: var(--accent-green);
}

.map-section {
  margin-bottom: 52px;
  padding: 20px;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.map-header,
.map-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.map-controls {
  justify-content: flex-end;
}

.map-controls > * {
  flex-shrink: 0;
}

.map-toggle {
  padding: 8px 12px;
  font-size: 11px;
}

.map-panel {
  margin-top: 16px;
  min-height: 360px;
  border-radius: 8px;
  overflow: hidden;
  background: #0a0f16;
}

.map-status {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.map-controls input[type="date"] {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 6px 10px;
}

.airport-label.leaflet-tooltip {
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.98);
  color: #111827;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
}

.airport-label.leaflet-tooltip::before {
  border-top-color: rgba(255, 255, 255, 0.98);
}

.airport-label.leaflet-tooltip-top::before,
.airport-label.leaflet-tooltip-bottom::before,
.airport-label.leaflet-tooltip-left::before,
.airport-label.leaflet-tooltip-right::before {
  border-top-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: rgba(255, 255, 255, 0.98);
}

/* Insight Cards Extended */
.insight-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.2s ease;
}

.insight-card:hover {
  background: var(--bg-hover);
  border-color: rgba(0, 218, 243, 0.25);
  transform: translateY(-2px);
}

.insight-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.insight-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.insight-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Quick Stats Enhanced */
.metrics-grid .metric-card {
  flex: 1;
  min-width: 150px;
}

.metric-card .metric-value {
  font-size: 28px;
  font-weight: 700;
}

/* Chart.js Customization */
canvas {
  width: 100% !important;
  height: auto !important;
  max-height: 300px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(13, 20, 29, 0.85);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 218, 243, 0.24);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 218, 243, 0.34);
}

/* ========================================================================== */
/* Observatory Revamp */
/* ========================================================================== */

body {
  background:
    radial-gradient(circle at top left, rgba(0, 218, 243, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(0, 230, 57, 0.06), transparent 26%),
    linear-gradient(180deg, #0d141d 0%, #0b1118 100%);
}

.dashboard {
  position: relative;
  min-height: 100vh;
}

.dashboard::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 85%);
  opacity: 0.65;
}

.main-container.page-shell,
.lab-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}

.main-container.page-shell {
  max-width: 1480px;
}

.hero-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
  gap: 20px;
  padding: 24px;
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(21, 28, 38, 0.95), rgba(36, 42, 52, 0.9)),
    linear-gradient(135deg, rgba(0, 218, 243, 0.06), transparent 35%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.hero-copy {
  display: grid;
  gap: 10px;
  align-content: start;
}

.hero-kicker {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
}

.hero-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  color: var(--text-primary);
}

.hero-subtitle {
  max-width: 62ch;
  color: var(--text-secondary);
  font-size: 15px;
}

.hero-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.hero-banner-historical .hero-stack,
.hero-banner-lab .hero-stack {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.command-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.command-grid-live {
  align-items: stretch;
}

.panel {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(36, 42, 52, 0.96), rgba(21, 28, 38, 0.94));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 218, 243, 0.8), transparent);
  opacity: 0.5;
}

.panel-span-12 {
  grid-column: span 12;
}

.panel-span-8 {
  grid-column: span 8;
}

.panel-span-4 {
  grid-column: span 4;
}

.panel-stack {
  display: grid;
  gap: 18px;
}

.panel-map {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.panel-map .map-panel {
  flex: 1 1 auto;
  min-height: 680px;
  height: 100%;
}

.section-head,
.map-header {
  align-items: center;
}

.section-head {
  margin-bottom: 16px;
}

.section-head h2,
.map-header h2 {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.section-head p,
.map-header p {
  color: var(--text-tertiary);
}

.section-head-tight {
  margin-bottom: 0;
}

.charts-grid-compact {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.charts-grid-compact > .chart-card {
  grid-column: span 4;
}

.charts-grid-compact > .chart-card.wide {
  grid-column: span 12;
}

.tables-grid-compact {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.tables-grid-compact > .table-card {
  grid-column: span 4;
}

.filter-section-compact {
  margin-bottom: 0;
}

.metrics-grid,
.stat-grid,
.insight-grid {
  gap: 12px;
}

.info-box,
.lab-stat,
.stat-card,
.chart-card,
.table-card,
.insight-card,
.filter-panel,
.day-panel,
.query-panel,
.map-section {
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(36, 42, 52, 0.96), rgba(21, 28, 38, 0.94));
}

.info-box,
.lab-stat,
.stat-card {
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.filter-panel {
  border: 1px solid rgba(148, 163, 184, 0.1);
  padding: 18px;
}

.chart-card,
.table-card,
.insight-card {
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.charts-section,
.tables-section,
.insights-section,
.lab-section,
.map-section,
.filter-section {
  padding: 20px;
}

.day-panel,
.query-panel {
  padding: 18px;
}

.map-section {
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.map-section .map-panel {
  background: #0b1118;
}

.density-heat-ring {
  filter: saturate(1.15) contrast(1.05);
}

.density-heat-core {
  filter: saturate(1.35) contrast(1.12);
}

.filter-input,
.day-picker input[type="date"],
.query-panel textarea {
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(13, 20, 29, 0.94);
}

.btn-primary {
  background: var(--accent-green);
  color: #06140b;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.btn-primary:hover {
  background: #17f04a;
}

.btn-secondary {
  background: rgba(36, 42, 52, 0.96);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.btn-secondary:hover {
  background: rgba(36, 42, 52, 1);
  color: var(--text-primary);
}

.lab-btn {
  background: var(--accent-green);
  color: #06140b;
  border: 1px solid rgba(0, 230, 57, 0.2);
}

.lab-btn:hover {
  background: #17f04a;
}

.lab-btn-secondary {
  background: rgba(36, 42, 52, 0.96);
  color: var(--text-secondary);
}

.lab-btn-secondary:hover {
  color: var(--text-primary);
  background: rgba(36, 42, 52, 1);
}

.filter-input-group {
  align-items: center;
}

.filter-input,
.day-picker input[type="date"],
.query-panel textarea,
.filter-input-group input[type="text"],
.filter-group select {
  width: 100%;
  appearance: none;
  color: var(--text-primary);
  background: rgba(13, 20, 29, 0.94);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.filter-input:focus,
.day-picker input[type="date"]:focus,
.query-panel textarea:focus,
.filter-input-group input[type="text"]:focus,
.filter-group select:focus {
  outline: none;
  border-color: rgba(0, 218, 243, 0.45);
  box-shadow: 0 0 0 2px rgba(0, 218, 243, 0.12);
}

.filter-range input[type="range"] {
  accent-color: var(--accent-cyan);
}

.nav-link {
  border-radius: 4px;
}

.nav-link.active {
  color: var(--accent-green);
  background: rgba(0, 230, 57, 0.08);
  box-shadow: inset 0 0 0 1px rgba(0, 230, 57, 0.14);
}

.badge {
  box-shadow: inset 0 0 0 1px rgba(0, 230, 57, 0.12);
}

@media (max-width: 1100px) {
  .hero-banner,
  .hero-banner-historical,
  .hero-banner-lab {
    grid-template-columns: 1fr;
  }

  .panel-span-8,
  .panel-span-4,
  .panel-span-12,
  .tables-grid-compact > .table-card,
  .charts-grid-compact > .chart-card {
    grid-column: span 12;
  }

  .hero-banner-historical .hero-stack,
  .hero-banner-lab .hero-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .hero-banner {
    padding: 18px;
  }

  .hero-banner h1 {
    font-size: 30px;
  }

  .hero-stack,
  .hero-banner-historical .hero-stack,
  .hero-banner-lab .hero-stack {
    grid-template-columns: 1fr;
  }

  .command-grid {
    gap: 14px;
  }

  .map-panel {
    min-height: 300px;
  }
}