.flight-hud,
.flight-controls,
#encounter-canvas {
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 220ms ease;
}

#encounter-canvas {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

#encounter-canvas.is-active { opacity: 1; }

body.eventwake-crossing #blackhole-canvas {
  filter: saturate(1.25) contrast(1.08);
}

body.eventwake-interior #blackhole-canvas {
  opacity: 0.12;
  filter: saturate(0.45) contrast(1.35);
}

body.background-playing .reveal-hint {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
}

body.background-playing .pi-trigger {
  opacity: 0;
  pointer-events: none;
}

.flight-hud,
.flight-controls {
  pointer-events: none;
}

.flight-hud {
  position: fixed;
  top: max(22px, env(safe-area-inset-top));
  left: max(22px, env(safe-area-inset-left));
  z-index: 7;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) repeat(8, auto);
  gap: 14px 26px;
  align-items: end;
  width: min(1080px, calc(100vw - 44px));
  padding: 13px 16px;
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(2, 8, 13, 0.92), rgba(2, 8, 13, 0.3));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  transform: translateY(-8px);
  backdrop-filter: blur(12px);
}

body.background-playing .flight-hud {
  opacity: 1;
  transform: none;
}

.flight-hud-primary span,
.flight-hud-stat dt {
  display: block;
  color: var(--dim);
  font: 8px/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flight-hud-primary strong {
  display: block;
  margin-top: 5px;
  color: var(--cyan);
  font: 600 11px/1.3 var(--mono);
  letter-spacing: 0.1em;
}

.flight-hud-primary em {
  display: block;
  max-width: 520px;
  margin-top: 4px;
  overflow: hidden;
  color: rgba(244, 239, 228, 0.58);
  font: 8px/1.3 var(--mono);
  font-style: normal;
  letter-spacing: 0.07em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flight-hud-stat { margin: 0; }
.flight-hud-stat dd {
  margin: 4px 0 0;
  color: var(--bone);
  font: 600 16px/1 var(--mono);
}

.flight-controls {
  position: fixed;
  inset: auto 0 0;
  z-index: 8;
  display: none;
  align-items: end;
  justify-content: space-between;
  padding:
    20px max(18px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  transform: translateY(12px);
  user-select: none;
  -webkit-user-select: none;
}

.flight-stick {
  position: relative;
  width: 132px;
  height: 132px;
  border: 1px solid rgba(94, 234, 212, 0.34);
  border-radius: 50%;
  background:
    linear-gradient(transparent 49.5%, rgba(94, 234, 212, 0.13) 50%, transparent 50.5%),
    linear-gradient(90deg, transparent 49.5%, rgba(94, 234, 212, 0.13) 50%, transparent 50.5%),
    rgba(2, 8, 13, 0.5);
  box-shadow: inset 0 0 40px rgba(94, 234, 212, 0.04), 0 16px 38px rgba(0, 0, 0, 0.34);
  touch-action: none;
}

.flight-stick::after {
  content: "BANK / PITCH";
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  color: rgba(244, 239, 228, 0.48);
  font: 7px/1 var(--mono);
  letter-spacing: 0.12em;
  white-space: nowrap;
  transform: translateX(-50%);
}

.flight-stick-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 50px;
  margin: -25px;
  border: 1px solid rgba(94, 234, 212, 0.74);
  border-radius: 50%;
  background: rgba(10, 30, 34, 0.84);
  box-shadow: 0 0 24px rgba(94, 234, 212, 0.15);
  pointer-events: none;
  will-change: transform;
}

.flight-actions {
  display: grid;
  grid-template-columns: repeat(2, 68px);
  grid-template-rows: repeat(3, 44px);
  gap: 9px;
  touch-action: none;
}

.flight-actions button {
  border: 1px solid rgba(244, 239, 228, 0.25);
  border-radius: 50%;
  background: rgba(2, 8, 13, 0.72);
  color: var(--bone);
  font: 650 8px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  touch-action: none;
  -webkit-touch-callout: none;
}

.flight-actions button[data-flight-hold="thrust"] {
  grid-row: 1 / 4;
  grid-column: 2;
  width: 68px;
  height: 150px;
  border-radius: 34px;
  border-color: rgba(94, 234, 212, 0.48);
  color: var(--cyan);
}

.flight-actions button[data-flight-hold="fire"] {
  border-color: rgba(243, 198, 108, 0.58);
  color: var(--gold-bright);
}

.flight-actions button[data-flight-hold="scan"] {
  border-color: rgba(94, 234, 212, 0.58);
  color: var(--cyan);
}

.flight-actions button.is-held {
  border-color: var(--bone);
  background: rgba(94, 234, 212, 0.2);
  box-shadow: 0 0 26px rgba(94, 234, 212, 0.18);
  color: #fff;
  transform: scale(0.96);
}

body.webgl-context-lost::after {
  content: "RENDERER INTERRUPTED / RECOVERING";
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 30;
  padding: 16px 20px;
  border: 1px solid var(--gold);
  background: rgba(2, 6, 10, 0.94);
  color: var(--gold-bright);
  font: 600 10px/1 var(--mono);
  letter-spacing: 0.12em;
  transform: translate(-50%, -50%);
}

@media (max-width: 920px), (hover: none), (pointer: coarse) {
  body.background-playing {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
  }

  body.background-playing .site-shell {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
  }

  body.background-playing #blackhole-canvas {
    touch-action: none;
  }

  body.background-playing #encounter-canvas {
    touch-action: none;
  }

  body.background-playing .flight-controls {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  body.background-playing .background-player {
    top: max(10px, env(safe-area-inset-top));
    right: max(10px, env(safe-area-inset-right));
    bottom: auto;
    left: auto;
    grid-template-columns: auto auto auto;
    max-width: calc(100vw - 20px);
  }

  body.background-playing .background-state,
  body.background-playing .background-player small { display: none !important; }

  body.background-playing #background-toggle { min-width: 0; }

  .flight-hud {
    top: max(64px, calc(env(safe-area-inset-top) + 54px));
    right: 10px;
    left: 10px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px 15px;
    width: auto;
    min-width: 0;
    padding: 10px 12px;
  }

  .flight-hud-primary { grid-column: 1 / -1; }
  .flight-hud-diagnostic { display: none; }
  .flight-hud-stat dd { font-size: 13px; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .flight-stick { width: 104px; height: 104px; }
  .flight-actions { grid-template-columns: repeat(2, 58px); grid-template-rows: repeat(3, 34px); }
  .flight-actions button[data-flight-hold="thrust"] { width: 58px; height: 120px; }
  .flight-hud { top: max(58px, calc(env(safe-area-inset-top) + 48px)); }
}

@media (prefers-reduced-motion: reduce) {
  .flight-hud,
  .flight-controls { transition: none; }
}