/* FLIGHT RADAR — ATC PREMIUM (HYBRID DESIGN)
   - HUD AVION : vert phosphore #00FF66 + ambre #FFB400 (Eurocontrol)
   - HUD AÉROPORT : cyan #00C8E8 + blanc (SpaceX clean)
   - SECTION ALGO-7 : ambre + jauges fiabilité (NASA mission)
   Glassmorphism · scanlines · grille · boot-up animation · tabular nums.
*/

/* ───────── Design tokens ───────── */
:root {
  --fr-green: #00FF66;
  --fr-green-dim: rgba(0, 255, 102, 0.55);
  --fr-amber: #FFB400;
  --fr-amber-dim: rgba(255, 180, 0, 0.6);
  --fr-cyan: #00C8E8;
  --fr-cyan-dim: rgba(0, 200, 232, 0.6);
  --fr-red: #FF3C3C;
  --fr-bg-0: #02060A;
  --fr-bg-1: rgba(5, 8, 12, 0.78);
  --fr-bg-2: rgba(2, 6, 10, 0.92);
  --fr-text: #C8E8FF;
  --fr-text-dim: rgba(200, 232, 255, 0.7);
  --fr-glass-blur: 12px;
  --fr-grid: rgba(0, 255, 102, 0.05);
  --fr-scanline: rgba(0, 255, 102, 0.08);
  --fr-font-mono: "JetBrains Mono", "Fira Code", ui-monospace, Menlo, monospace;
  --fr-font-sans: "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
}

/* ───────── App shell ───────── */
.fr-app {
  margin: 0;
  background: var(--fr-bg-0);
  color: var(--fr-text);
  font-family: var(--fr-font-mono);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

.fr-shell {
  display: grid;
  grid-template-rows: 56px 38px 1fr;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
/* Subtle 40px grid + scanlines overlay (5% / 8% opacity), purely decorative */
.fr-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--fr-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--fr-grid) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  z-index: 1;
}
.fr-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 2px,
    var(--fr-scanline) 2px,
    var(--fr-scanline) 3px
  );
  opacity: 0.45;
  mix-blend-mode: screen;
  z-index: 2;
}
.fr-header,
.fr-stats-bar,
.fr-main { position: relative; z-index: 3; }

/* ───────── Header ───────── */
.fr-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  background: linear-gradient(180deg, #060A12 0%, #03060A 100%);
  border-bottom: 1px solid rgba(0, 255, 102, 0.18);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  position: relative;
  z-index: 100;
}
.fr-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  letter-spacing: 0.18em;
}
.fr-brand-mark {
  color: var(--fr-green);
  font-family: var(--fr-font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-shadow: 0 0 8px rgba(0, 255, 102, 0.5);
}
.fr-brand-divider {
  color: rgba(0, 255, 102, 0.4);
}
.fr-brand-title {
  color: var(--fr-amber);
  font-family: var(--fr-font-sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.22em;
}
.fr-header-spacer { flex: 1; }

.fr-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: #00FF66;
  padding: 4px 9px;
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: 3px;
}
.fr-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00FF66;
  box-shadow: 0 0 6px #00FF66;
  animation: fr-pulse-live 1.6s ease-in-out infinite;
}
@keyframes fr-pulse-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.8); }
}

.fr-utc {
  font-size: 12px;
  color: #FFB400;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.fr-lang {
  display: inline-flex;
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: 3px;
  overflow: hidden;
}
.fr-lang button {
  background: transparent;
  border: 0;
  color: rgba(200, 232, 255, 0.7);
  padding: 4px 9px;
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 0.15em;
  cursor: pointer;
}
.fr-lang button.active {
  background: rgba(0, 255, 102, 0.15);
  color: #00FF66;
}

/* ───────── Stats bar ───────── */
.fr-stats-bar {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 18px;
  background: var(--fr-bg-2);
  border-bottom: 1px solid rgba(0, 255, 102, 0.12);
  font-family: var(--fr-font-sans);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fr-text-dim);
  backdrop-filter: blur(var(--fr-glass-blur));
}
.fr-stat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.fr-stat-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00FF66;
  box-shadow: 0 0 6px #00FF66;
  animation: fr-pulse-live 1.8s ease-in-out infinite;
}
.fr-stat-pulse.amber {
  background: #FFB400;
  box-shadow: 0 0 6px #FFB400;
}
.fr-stat-pulse.cyan {
  background: #00C8E8;
  box-shadow: 0 0 6px #00C8E8;
}
.fr-stat-val {
  color: #FFFFFF;
  font-family: var(--fr-font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.05em;
}

/* ───────── Main layout ───────── */
.fr-main {
  display: grid;
  grid-template-columns: 1fr 360px;
  min-height: 0;
  position: relative;
}
.fr-map-wrap {
  position: relative;
  background: #000;
  border-right: 1px solid rgba(0, 255, 102, 0.12);
  min-height: 0;
}
#fr-map {
  position: absolute;
  inset: 0;
}
.fr-map-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00FF66;
  font-size: 11px;
  letter-spacing: 0.22em;
  background: #02060A;
  z-index: 50;
  transition: opacity 0.6s ease;
}
.fr-map-loader.fade { opacity: 0; pointer-events: none; }

/* Filter chip strip top-left */
.fr-filters {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  z-index: 40;
  pointer-events: auto;
  max-width: calc(100% - 220px);
}
.fr-fchip {
  background: rgba(2, 6, 10, 0.85);
  border: 1px solid rgba(0, 255, 102, 0.3);
  color: #00FF66;
  padding: 5px 10px;
  border-radius: 3px;
  font: 600 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.15em;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: all 0.15s;
}
.fr-fchip.on,
.fr-fchip:hover {
  background: rgba(0, 255, 102, 0.18);
  color: #00FF66;
  box-shadow: 0 0 12px rgba(0, 255, 102, 0.25);
}
.fr-fchip.amber {
  border-color: rgba(255, 180, 0, 0.3);
  color: #FFB400;
}
.fr-fchip.amber.on {
  background: rgba(255, 180, 0, 0.18);
  box-shadow: 0 0 12px rgba(255, 180, 0, 0.25);
}
.fr-fselect {
  background: rgba(2, 6, 10, 0.85);
  border: 1px solid rgba(0, 200, 232, 0.3);
  color: #00C8E8;
  padding: 5px 8px;
  border-radius: 3px;
  font: 600 10px "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
  cursor: pointer;
  backdrop-filter: blur(6px);
  outline: none;
}

/* Basemap toggle (Leaflet topright) */
.fr-basemap-toggle {
  display: inline-flex;
  background: rgba(2, 6, 10, 0.92);
  border: 1px solid rgba(0, 200, 232, 0.3);
  border-radius: 3px;
  overflow: hidden;
  backdrop-filter: blur(6px);
  font: 600 10px "JetBrains Mono", monospace;
}
.fr-basemap-btn {
  background: transparent;
  border: 0;
  color: rgba(200, 232, 255, 0.55);
  padding: 5px 10px;
  font: inherit;
  letter-spacing: 0.18em;
  cursor: pointer;
}
.fr-basemap-btn.active {
  background: rgba(0, 200, 232, 0.18);
  color: #00C8E8;
  text-shadow: 0 0 6px rgba(0, 200, 232, 0.6);
}

/* ───────── Right panel (ATC HUD) ───────── */
.fr-side {
  background: rgba(3, 6, 10, 0.96);
  border-left: 1px solid rgba(0, 255, 102, 0.12);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.fr-side-idle {
  padding: 22px 18px;
  text-align: left;
  font-size: 11px;
  color: rgba(200, 232, 255, 0.65);
  line-height: 1.7;
  letter-spacing: 0.05em;
}
.fr-idle-label {
  color: #FFB400;
  font-size: 9px;
  letter-spacing: 0.25em;
  margin-bottom: 12px;
}
.fr-idle-msg { margin-bottom: 14px; }
.fr-idle-hint {
  color: rgba(0, 200, 232, 0.6);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  margin-top: 18px;
}

/* ATC HUD — phosphor green on black, monospace, glassmorphic */
.atc-hud {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px 22px;
  background: var(--fr-bg-1);
  backdrop-filter: blur(var(--fr-glass-blur));
  -webkit-backdrop-filter: blur(var(--fr-glass-blur));
  color: var(--fr-green);
  font-family: inherit;
  animation: fr-bootup 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.atc-hud[hidden] { display: none; }
.atc-hud::-webkit-scrollbar { width: 6px; }
.atc-hud::-webkit-scrollbar-thumb { background: rgba(0, 255, 102, 0.2); border-radius: 3px; }
@keyframes fr-bootup {
  0%   { opacity: 0; transform: translateY(14px); filter: blur(4px); }
  60%  { opacity: 0.8; }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.atc-hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 255, 102, 0.18);
}
.atc-hud-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 9.5px;
  letter-spacing: 0.28em;
  color: var(--fr-amber);
}
.atc-hud-close {
  background: transparent;
  border: 1px solid rgba(255, 180, 0, 0.3);
  color: #FFB400;
  width: 22px;
  height: 22px;
  border-radius: 3px;
  cursor: pointer;
  font: 600 12px monospace;
}
.atc-hud-close:hover { background: rgba(255, 180, 0, 0.18); }

.atc-hud-name-block {
  margin-bottom: 14px;
}
.atc-hud-callsign {
  font-size: 22px;
  font-weight: 700;
  color: #00FF66;
  letter-spacing: 0.18em;
  text-shadow: 0 0 10px rgba(0, 255, 102, 0.45);
  font-variant-numeric: tabular-nums;
}
.atc-hud-sub {
  font-size: 10px;
  color: rgba(200, 232, 255, 0.7);
  letter-spacing: 0.12em;
  margin-top: 4px;
}
.atc-hud-flag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 6px;
  font-size: 11px;
  color: #C8E8FF;
}
.atc-hud-flag-emoji { font-size: 18px; line-height: 1; }

.atc-hud-section {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 255, 102, 0.12);
}
.atc-hud-section:last-of-type { border-bottom: 0; }
.atc-hud-section-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--fr-amber);
  margin-bottom: 8px;
}
.atc-hud-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}
.atc-hud-row .k {
  color: rgba(0, 255, 102, 0.65);
  letter-spacing: 0.08em;
  font-size: 10px;
}
.atc-hud-row .v {
  color: #FFFFFF;
  letter-spacing: 0.04em;
  text-align: right;
}
.atc-hud-row .v.flash {
  animation: fr-val-flash 0.8s ease-out;
}
@keyframes fr-val-flash {
  0%   { color: #00FF66; text-shadow: 0 0 8px rgba(0, 255, 102, 0.7); }
  100% { color: #FFFFFF; text-shadow: none; }
}

.atc-hud-source {
  font-size: 9.5px;
  color: rgba(0, 200, 232, 0.7);
  letter-spacing: 0.12em;
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.atc-hud-source .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00FF66;
  box-shadow: 0 0 5px #00FF66;
  animation: fr-pulse-live 1.6s ease-in-out infinite;
  margin-left: 4px;
}

.atc-hud-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}
.atc-btn {
  background: rgba(0, 255, 102, 0.12);
  border: 1px solid rgba(0, 255, 102, 0.4);
  color: #00FF66;
  padding: 9px 8px;
  font-family: inherit;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}
.atc-btn:hover {
  background: rgba(0, 255, 102, 0.22);
  box-shadow: 0 0 12px rgba(0, 255, 102, 0.3);
}
.atc-btn.ghost {
  background: transparent;
  border-color: rgba(255, 180, 0, 0.4);
  color: #FFB400;
}
.atc-btn.ghost:hover {
  background: rgba(255, 180, 0, 0.18);
  box-shadow: 0 0 12px rgba(255, 180, 0, 0.3);
}

/* Squawk emergency badges + emergency pulse on row value */
.atc-squawk-emergency {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  background: rgba(255, 60, 60, 0.2);
  color: var(--fr-red);
  border: 1px solid rgba(255, 60, 60, 0.6);
  font-size: 9px;
  letter-spacing: 0.18em;
  border-radius: 2px;
  animation: fr-pulse-emerg 1s ease-in-out infinite;
}
@keyframes fr-pulse-emerg {
  0%, 100% {
    background: rgba(255, 60, 60, 0.18);
    box-shadow: 0 0 0 0 rgba(255, 60, 60, 0.55);
  }
  50% {
    background: rgba(255, 60, 60, 0.32);
    box-shadow: 0 0 12px 2px rgba(255, 60, 60, 0.55);
  }
}
.atc-hud-row.urgent .v {
  color: var(--fr-red) !important;
  animation: fr-pulse-emerg 1.2s ease-in-out infinite;
  border-radius: 2px;
  padding: 0 4px;
}

/* ───────── HUD AÉROPORT — SpaceX clean cyan ───────── */
.airport-hud {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px 22px;
  background: var(--fr-bg-1);
  backdrop-filter: blur(var(--fr-glass-blur));
  -webkit-backdrop-filter: blur(var(--fr-glass-blur));
  color: var(--fr-cyan);
  font-family: var(--fr-font-mono);
  font-variant-numeric: tabular-nums;
  animation: fr-bootup 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
}
.airport-hud[hidden] { display: none; }
.airport-hud.fade-out { animation: fr-fadeout 200ms ease-in forwards; }
@keyframes fr-fadeout {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-10px); }
}
.airport-hud::-webkit-scrollbar { width: 6px; }
.airport-hud::-webkit-scrollbar-thumb { background: rgba(0,200,232,0.2); border-radius: 3px; }

.airport-hud-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 200, 232, 0.2);
}
.airport-hud-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 9.5px;
  letter-spacing: 0.28em;
  color: var(--fr-cyan);
}
.airport-hud-close {
  background: transparent;
  border: 1px solid rgba(0, 200, 232, 0.3);
  color: var(--fr-cyan);
  width: 22px;
  height: 22px;
  border-radius: 3px;
  cursor: pointer;
  font: 600 12px monospace;
}
.airport-hud-close:hover { background: rgba(0, 200, 232, 0.18); }
.airport-hud-iata {
  font-family: var(--fr-font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--fr-cyan);
  letter-spacing: 0.18em;
  text-shadow: 0 0 16px rgba(0, 200, 232, 0.55);
  line-height: 1;
}
.airport-hud-name {
  font-family: var(--fr-font-sans);
  font-weight: 500;
  font-size: 14px;
  color: #FFFFFF;
  margin-top: 6px;
  letter-spacing: 0.04em;
}
.airport-hud-country {
  font-family: var(--fr-font-mono);
  font-size: 11px;
  color: var(--fr-text-dim);
  margin-top: 4px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(0, 200, 232, 0.18);
  letter-spacing: 0.08em;
}
.airport-section {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(0, 200, 232, 0.10);
}
.airport-section:last-of-type { border-bottom: 0; }
.airport-section-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.28em;
  color: rgba(0, 200, 232, 0.78);
  margin-bottom: 8px;
}
.airport-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 4px 0;
  font-family: var(--fr-font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.airport-row .k {
  color: var(--fr-text-dim);
  letter-spacing: 0.1em;
  font-size: 10px;
}
.airport-row .v {
  color: #FFFFFF;
  font-weight: 600;
}
.airport-row.big .v.big {
  font-size: 22px;
  color: var(--fr-cyan);
  text-shadow: 0 0 10px rgba(0, 200, 232, 0.45);
  font-weight: 700;
}
.airport-traffic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 8px;
}
.airport-traffic-cell {
  background: rgba(0, 200, 232, 0.06);
  border: 1px solid rgba(0, 200, 232, 0.2);
  border-radius: 4px;
  padding: 10px 8px;
  text-align: center;
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
  cursor: default;
}
.airport-traffic-cell:hover {
  background: rgba(0, 200, 232, 0.12);
  border-color: rgba(0, 200, 232, 0.4);
  transform: translateY(-1px);
}
.airport-traffic-cell .cell-icon {
  font-size: 18px;
  opacity: 0.9;
}
.airport-traffic-cell .cell-count {
  font-family: var(--fr-font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--fr-cyan);
  text-shadow: 0 0 10px rgba(0, 200, 232, 0.4);
  margin: 4px 0 2px;
  font-variant-numeric: tabular-nums;
}
.airport-traffic-cell .cell-label {
  font-family: var(--fr-font-sans);
  font-size: 8px;
  letter-spacing: 0.18em;
  color: rgba(0, 200, 232, 0.7);
  font-weight: 600;
}
.airport-traffic-cell.empty .cell-count { color: rgba(0, 200, 232, 0.35); }
.airport-flights-list {
  margin-top: 8px;
  max-height: 180px;
  overflow-y: auto;
}
.airport-flight-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: baseline;
  padding: 4px 6px;
  margin: 2px 0;
  background: rgba(0, 200, 232, 0.04);
  border-left: 2px solid rgba(0, 200, 232, 0.25);
  border-radius: 2px;
  font-family: var(--fr-font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.18s ease;
}
.airport-flight-item:hover { background: rgba(0, 200, 232, 0.12); }
.airport-flight-item .cs {
  color: #FFFFFF;
  font-weight: 600;
}
.airport-flight-item .meta {
  color: var(--fr-text-dim);
  font-size: 9.5px;
}
.airport-flight-item .dist {
  color: var(--fr-cyan);
  font-weight: 600;
}
.airport-source {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 200, 232, 0.10);
  font-family: var(--fr-font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--fr-text-dim);
  text-align: center;
}
.airport-source .live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fr-cyan);
  box-shadow: 0 0 5px var(--fr-cyan);
  animation: fr-pulse-live 1.6s ease-in-out infinite;
  margin-left: 6px;
  vertical-align: middle;
}

/* ───────── SECTION ALGO-7 DESTINATION (avion HUD) ───────── */
.atc-algo7-dest {
  margin-top: 12px;
  padding: 12px;
  background: linear-gradient(180deg,
    rgba(255, 180, 0, 0.05) 0%,
    rgba(255, 180, 0, 0.02) 100%);
  border: 1px solid rgba(255, 180, 0, 0.30);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.atc-algo7-dest::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--fr-amber), transparent);
  animation: fr-algo7-scan 3.2s linear infinite;
}
.atc-algo7-dest-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.atc-algo7-dest-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--fr-amber);
}
.atc-algo7-dest-confidence {
  font-family: var(--fr-font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--fr-amber);
  text-shadow: 0 0 8px rgba(255, 180, 0, 0.5);
  font-variant-numeric: tabular-nums;
}
.atc-algo7-dest-confidence .unit {
  color: rgba(255, 180, 0, 0.55);
  font-size: 9px;
  font-weight: 500;
}
.atc-algo7-dest-level {
  font-family: var(--fr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--fr-amber);
  margin-bottom: 10px;
  padding: 5px 8px;
  background: rgba(255, 180, 0, 0.10);
  border-radius: 2px;
  border-left: 2px solid var(--fr-amber);
}
.atc-algo7-dest-level[data-level="1"] {
  border-left-color: var(--fr-green);
  color: var(--fr-green);
  background: rgba(0, 255, 102, 0.10);
}
.atc-algo7-dest-level[data-level="2"],
.atc-algo7-dest-level[data-level="3"] {
  border-left-color: var(--fr-amber);
  color: var(--fr-amber);
}
.atc-algo7-dest-level[data-level="4"],
.atc-algo7-dest-level[data-level="5"],
.atc-algo7-dest-level[data-level="6"],
.atc-algo7-dest-level[data-level="7"] {
  border-left-color: #FF7A00;
  color: #FF7A00;
}
.atc-algo7-dest-primary {
  text-align: center;
  padding: 12px 0;
  border-top: 1px dashed rgba(255, 180, 0, 0.20);
  border-bottom: 1px dashed rgba(255, 180, 0, 0.20);
  margin-bottom: 10px;
}
.atc-algo7-dest-primary .dest-iata {
  font-family: var(--fr-font-mono);
  font-weight: 700;
  font-size: 22px;
  color: var(--fr-amber);
  letter-spacing: 0.18em;
  text-shadow: 0 0 10px rgba(255, 180, 0, 0.5);
}
.atc-algo7-dest-primary .dest-name {
  font-family: var(--fr-font-sans);
  font-weight: 500;
  font-size: 12px;
  color: #FFFFFF;
  margin-top: 5px;
  letter-spacing: 0.04em;
}
.atc-algo7-dest-primary .dest-prob,
.atc-algo7-dest-primary .dest-eta {
  font-family: var(--fr-font-mono);
  font-size: 10px;
  color: rgba(255, 180, 0, 0.85);
  letter-spacing: 0.08em;
  margin-top: 3px;
}
.atc-algo7-dest-section {
  margin-bottom: 10px;
}
.atc-algo7-section-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 8.5px;
  letter-spacing: 0.3em;
  color: rgba(255, 180, 0, 0.7);
  margin-bottom: 5px;
}
.dest-layer {
  font-family: var(--fr-font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.85);
  margin: 3px 0;
  letter-spacing: 0.05em;
}
.dest-layer.unavailable {
  color: rgba(255, 255, 255, 0.4);
  text-decoration: line-through;
}
.dest-alt {
  display: flex;
  justify-content: space-between;
  font-family: var(--fr-font-mono);
  font-size: 10px;
  margin: 3px 0;
}
.dest-alt .alt-icao { color: #FFF; }
.dest-alt .alt-prob { color: var(--fr-amber); font-weight: 600; }
.atc-algo7-dest-progress { margin-top: 10px; }
.progress-label {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 8.5px;
  letter-spacing: 0.28em;
  color: rgba(255, 180, 0, 0.7);
  margin-bottom: 4px;
}
.progress-bar {
  height: 6px;
  background: rgba(255, 180, 0, 0.10);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.progress-fill {
  height: 100%;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, rgba(255, 180, 0, 0.6), var(--fr-amber));
  box-shadow: 0 0 6px rgba(255, 180, 0, 0.5);
  transition: width 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.progress-meta {
  font-family: var(--fr-font-mono);
  font-size: 9px;
  color: rgba(255, 180, 0, 0.7);
  margin-top: 4px;
  letter-spacing: 0.1em;
  text-align: right;
}
.atc-algo7-dest-sources {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 180, 0, 0.15);
  font-family: var(--fr-font-mono);
  font-size: 8.5px;
  color: rgba(255, 180, 0, 0.6);
  letter-spacing: 0.1em;
  line-height: 1.5;
}

/* ───────── SECTION ALGO-7 — NASA mission reliability gauges ───────── */
.atc-algo7 {
  margin-top: 4px;
  margin-bottom: 14px;
  padding: 10px 12px 12px;
  background: linear-gradient(180deg,
    rgba(255, 180, 0, 0.06) 0%,
    rgba(255, 180, 0, 0.02) 100%);
  border: 1px solid rgba(255, 180, 0, 0.28);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.atc-algo7::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--fr-amber), transparent);
  animation: fr-algo7-scan 3.2s linear infinite;
}
@keyframes fr-algo7-scan {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.atc-algo7-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.atc-algo7-title {
  font-family: var(--fr-font-sans);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--fr-amber);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.atc-algo7-title::before {
  content: "▣";
  color: var(--fr-amber);
  font-size: 11px;
}
.atc-algo7-score {
  font-family: var(--fr-font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--fr-amber);
  letter-spacing: 0.06em;
  text-shadow: 0 0 8px rgba(255, 180, 0, 0.5);
  font-variant-numeric: tabular-nums;
}
.atc-algo7-score .unit {
  color: rgba(255, 180, 0, 0.55);
  font-size: 9px;
  font-weight: 500;
  margin-left: 2px;
}
.atc-algo7-grid {
  display: grid;
  gap: 7px;
}
.atc-algo7-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
  align-items: center;
}
.atc-algo7-label {
  font-family: var(--fr-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 180, 0, 0.85);
  grid-column: 1 / 2;
}
.atc-algo7-value {
  font-family: var(--fr-font-mono);
  font-size: 10px;
  font-weight: 600;
  color: #FFF;
  letter-spacing: 0.04em;
  grid-column: 2 / 3;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.atc-algo7-bar {
  position: relative;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 180, 0, 0.1);
  grid-column: 1 / 3;
  overflow: hidden;
}
.atc-algo7-bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fr-algo7-pct, 0%);
  background: linear-gradient(90deg,
    rgba(255, 180, 0, 0.4) 0%,
    var(--fr-amber) 100%);
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 0 6px rgba(255, 180, 0, 0.5);
}
.atc-algo7-bar-fill.low {
  background: linear-gradient(90deg, rgba(255, 60, 60, 0.4), var(--fr-red));
  box-shadow: 0 0 6px rgba(255, 60, 60, 0.5);
}
.atc-algo7-bar-fill.high {
  background: linear-gradient(90deg, rgba(0, 255, 102, 0.4), var(--fr-green));
  box-shadow: 0 0 6px rgba(0, 255, 102, 0.5);
}
.atc-algo7-bar-fill::after {
  /* left-to-right scan animation across the bar */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 100%);
  animation: fr-algo7-fill-scan 2.4s linear infinite;
}
@keyframes fr-algo7-fill-scan {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(120%); }
}

/* ───────── Map markers ───────── */
.fr-airport-marker {
  position: relative;
  width: 12px;
  height: 12px;
  pointer-events: auto;
}
.fr-airport-core {
  position: absolute;
  inset: 0;
  background: #00C8E8;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(0, 200, 232, 0.7);
  animation: fr-airport-pulse 2.4s ease-out infinite;
}
@keyframes fr-airport-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 200, 232, 0.7); }
  100% { box-shadow: 0 0 0 18px rgba(0, 200, 232, 0); }
}

.fr-aircraft-marker {
  pointer-events: auto;
  cursor: pointer;
  transform-origin: 50% 50%;
}
.fr-aircraft-tri {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 11px solid currentColor;
  filter: drop-shadow(0 0 4px currentColor);
}
.fr-aircraft-marker.selected .fr-aircraft-tri {
  border-bottom-width: 14px;
  filter: drop-shadow(0 0 10px currentColor);
}

/* Selected aircraft halo (3 concentric rings) */
.fr-radar-lock {
  position: relative;
  width: 0; height: 0;
}
.fr-radar-lock::before,
.fr-radar-lock::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 255, 102, 0.55);
  transform: translate(-50%, -50%);
  animation: fr-lock-pulse 2.6s ease-out infinite;
}
.fr-radar-lock::after { animation-delay: 0.86s; }
@keyframes fr-lock-pulse {
  0%   { width: 18px; height: 18px; opacity: 0.95; }
  100% { width: 110px; height: 110px; opacity: 0; }
}

/* Mini-flash on new ping */
.fr-ping-flash {
  position: absolute;
  pointer-events: none;
  width: 38px;
  height: 38px;
  left: 50%; top: 50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 102, 0.7) 0%, rgba(0, 255, 102, 0) 70%);
  transform: translate(-50%, -50%) scale(0.4);
  animation: fr-ping-anim 1.2s ease-out forwards;
}
@keyframes fr-ping-anim {
  0%   { opacity: 0.9; transform: translate(-50%, -50%) scale(0.4); }
  100% { opacity: 0;   transform: translate(-50%, -50%) scale(1.8); }
}

/* Trail comet — drawn via canvas/polyline; this is the polyline class */
.leaflet-interactive.fr-trail {
  filter: drop-shadow(0 0 4px rgba(0, 255, 102, 0.6));
}

/* ───────── Airport popup — SpaceX clean (cyan + white) ───────── */
.leaflet-popup.fr-airport-popup-wrap .leaflet-popup-content-wrapper {
  background: rgba(245, 252, 255, 0.97);
  border: 1px solid rgba(0, 200, 232, 0.5);
  color: #0A1A24;
  border-radius: 6px;
  box-shadow:
    0 0 0 1px rgba(0, 200, 232, 0.2),
    0 4px 28px rgba(0, 200, 232, 0.28),
    0 2px 8px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(var(--fr-glass-blur));
  -webkit-backdrop-filter: blur(var(--fr-glass-blur));
  animation: fr-bootup 480ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.leaflet-popup.fr-airport-popup-wrap .leaflet-popup-content {
  margin: 12px 16px;
  font-family: var(--fr-font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.leaflet-popup.fr-airport-popup-wrap .leaflet-popup-tip {
  background: rgba(245, 252, 255, 0.97);
  border: 1px solid rgba(0, 200, 232, 0.5);
}
.leaflet-popup.fr-airport-popup-wrap a.leaflet-popup-close-button {
  color: var(--fr-cyan);
  font-size: 18px;
}
.fr-airport-popup {
  min-width: 200px;
}
.fr-airport-popup .fr-ap-iata {
  font-family: var(--fr-font-sans);
  color: var(--fr-cyan);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
}
.fr-airport-popup .fr-ap-name {
  color: #0A1A24;
  font-family: var(--fr-font-sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.02em;
  margin-top: 5px;
}
.fr-airport-popup .fr-ap-meta {
  margin-top: 9px;
  padding-top: 7px;
  border-top: 1px solid rgba(0, 200, 232, 0.18);
  color: rgba(10, 26, 36, 0.72);
  font-size: 10px;
  letter-spacing: 0.1em;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.fr-airport-popup .fr-ap-coords {
  margin-top: 4px;
  color: rgba(10, 26, 36, 0.6);
  font-size: 10px;
  letter-spacing: 0.04em;
}

/* Tooltips */
.leaflet-tooltip.fr-tooltip {
  background: rgba(2, 6, 10, 0.92);
  border: 1px solid rgba(0, 255, 102, 0.3);
  color: #00FF66;
  font: 600 10.5px "JetBrains Mono", monospace;
  letter-spacing: 0.12em;
  padding: 5px 8px;
  border-radius: 3px;
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}
.leaflet-tooltip.fr-tooltip::before { display: none; }

/* Empty state */
.fr-empty {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  color: rgba(255, 180, 0, 0.7);
  font-size: 11px;
  letter-spacing: 0.18em;
  pointer-events: none;
  z-index: 30;
}

/* Responsive */
@media (max-width: 1024px) {
  .fr-main { grid-template-columns: 1fr 320px; }
}
@media (max-width: 760px) {
  .fr-main { grid-template-columns: 1fr; grid-template-rows: 1fr 320px; }
  .fr-side { border-left: 0; border-top: 1px solid rgba(0, 255, 102, 0.12); }
}