html, body, #cesiumContainer {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #000;
}

.hud {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 10;
  width: 360px;
  padding: 12px 12px 10px;
  border-radius: 14px;
  background: rgba(14, 16, 22, 0.70);
  border: 1px solid rgba(255,255,255,0.10);
  backdrop-filter: blur(10px);
  color: #fff;
  font: 13px/1.2 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  user-select: none;
}

.hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.hud-time {
  font-size: 12px;
  opacity: 0.92;
  letter-spacing: 0.2px;
}

.hud-actions { display: flex; gap: 8px; }

.hud-row {
  display: grid;
  grid-template-columns: 58px 1fr 56px;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.hud-meta {
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.10);
  margin-top: 4px;
}

.hud-label { opacity: 0.80; }
.hud-value { text-align: right; opacity: 0.92; }
.hud-range { width: 100%; }

.btn {
  appearance: none;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: #fff;
  padding: 7px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.1px;
}
.btn:hover { background: rgba(255,255,255,0.10); }
.btn:active { transform: translateY(1px); }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.overlay-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 9;
}

.sat-tag {
  position: absolute;
  transform: translate(-50%, calc(-100% - 10px));
  display: none;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 220, 120, 0.95);
  background: rgba(14, 16, 22, 0.72);
  box-shadow: 0 0 0 3px rgba(255, 220, 120, 0.14), 0 10px 30px rgba(0,0,0,0.35);
  max-width: 280px;
  white-space: nowrap;
}
.sat-tag.show { display: block; }

.sat-tag::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: rgba(14, 16, 22, 0.72);
  border-right: 1px solid rgba(255, 220, 120, 0.95);
  border-bottom: 1px solid rgba(255, 220, 120, 0.95);
}

.sat-tag-name {
  font-size: 12px;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
}