html, body, #cesiumContainer {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* =========================
   RADAR MODE (default)
========================= */
body.radar-mode #cesiumContainer {
  filter: brightness(0.6) contrast(1.2);
}

body.radar-mode #radarOverlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle, transparent 40%, rgba(0,0,0,0.9) 100%),
    repeating-radial-gradient(circle at center,
      rgba(0,255,255,0.08) 0px,
      rgba(0,255,255,0.08) 1px,
      transparent 1px,
      transparent 80px);
}

/* =========================
   IFE MODE (Panasonic style)
========================= */
body.ife-mode #radarOverlay {
  display: none;
}

body.ife-mode #cockpit {
  display: none;
}

body.ife-mode #topbar {
  background: rgba(10, 20, 40, 0.85);
}

/* =========================
   TOP BAR (clean aviation UI)
========================= */
#topbar {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  background: rgba(0,0,0,0.6);
  padding: 10px;
  border-radius: 8px;
  color: #fff;
  backdrop-filter: blur(8px);
}

/* =========================
   COCKPIT (Glass panel style)
========================= */
#cockpit {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 320px;
}

#pfd, #nd {
  background: rgba(0,0,0,0.85);
  border: 1px solid rgba(0,255,255,0.3);
  color: #00ffff;
  padding: 10px;
  margin-top: 10px;
  font-family: monospace;
  backdrop-filter: blur(6px);
}

/* =========================
   AIRCRAFT (better visibility)
========================= */
.cesium-billboard {
  filter: drop-shadow(0 0 6px cyan);
}