:root {
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: #cfd8dc;
}

#rotate-notice {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #05070a;
  color: #9fb0bd;
  text-align: center;
  font-size: 16px;
  letter-spacing: 0.04em;
}
.rotate-icon { font-size: 40px; }
.rotate-sub { font-size: 11px; opacity: 0.55; letter-spacing: 0.15em; }

/* Landscape gate: show rotate notice only when the viewport is actually
   portrait-shaped (covers desktop resize too, not just orientation API). */
@media (max-aspect-ratio: 1/1) {
  #rotate-notice { display: flex; }
  #game-root { display: none !important; }
}

#game-root {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: #000;
}

#scene-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

#hud-top-left {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  gap: 8px;
}
#hp-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #ff6b6b;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}
#hp-bar-track {
  width: 160px;
  height: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 2px;
  overflow: hidden;
}
#hp-bar-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #ff3b3b, #ff8a3b);
  transition: width 0.15s ease-out;
}

#hud-top-right {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  text-align: right;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}
#ammo-readout { color: #e0e6ea; margin-bottom: 3px; }
#ammo-count { font-weight: 700; }
#stealth-readout { color: #7fd3ff; opacity: 0.85; }
#stealth-readout.active #stealth-state { color: #7fffb0; font-weight: 700; }

#hud-center-warning {
  position: absolute;
  top: 14%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #ff4040;
  text-shadow: 0 0 10px rgba(255,40,40,0.8);
  animation: warnPulse 0.5s infinite alternate;
}
@keyframes warnPulse { from { opacity: 0.4; } to { opacity: 1; } }

.hud-bottom-center {
  position: absolute;
  bottom: max(8px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(200,210,220,0.5);
}

#flash-overlay {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  z-index: 40;
  transition: opacity 0.35s ease-out;
}
#flash-overlay.firing {
  opacity: 0.9;
  transition: none;
}

#debug-panel {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 10px;
  line-height: 1.5;
  display: flex;
  gap: 12px;
  pointer-events: none;
  white-space: nowrap;
  color: #8fe38f;
}
#debug-panel span { color: #fff; }

#theme-switch, #enemy-switch {
  position: absolute;
  z-index: 50;
  display: flex;
  gap: 4px;
}
#theme-switch { top: max(10px, env(safe-area-inset-top)); left: max(14px, env(safe-area-inset-left)); top: 40px; }
#enemy-switch { top: 40px; right: max(14px, env(safe-area-inset-right)); }
.theme-btn, .enemy-btn {
  font-size: 9px;
  letter-spacing: 0.05em;
  padding: 4px 7px;
  background: rgba(20,24,28,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  color: #9fb0bd;
  border-radius: 3px;
}
.theme-btn.active, .enemy-btn.active {
  background: rgba(80,180,255,0.35);
  border-color: rgba(120,200,255,0.8);
  color: #fff;
}

#touch-controls {
  position: absolute;
  inset: 0;
  z-index: 20;
}
.touch-pad {
  position: absolute;
  bottom: max(70px, calc(env(safe-area-inset-bottom) + 70px));
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.2);
  touch-action: none;
}
.touch-pad-label {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: rgba(200,210,220,0.55);
}
.touch-stick {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 36px;
  height: 36px;
  margin: -18px 0 0 -18px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transition: none;
}
#touch-move-pad { left: max(14px, env(safe-area-inset-left)); }
#touch-light-pad { left: calc(max(14px, env(safe-area-inset-left)) + 110px); }
#touch-aim-pad { right: max(120px, calc(env(safe-area-inset-right) + 120px)); }

#touch-buttons {
  position: absolute;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(2, 52px);
  gap: 6px;
}
.touch-btn {
  font-size: 9px;
  letter-spacing: 0.03em;
  padding: 10px 2px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  color: #e0e6ea;
  border-radius: 6px;
  touch-action: none;
}
.touch-btn:active { background: rgba(255,255,255,0.3); }

/* Narrow-height landscape (small phones): shrink touch controls a bit */
@media (max-height: 420px) {
  .touch-pad { width: 78px; height: 78px; bottom: max(56px, calc(env(safe-area-inset-bottom) + 56px)); }
  .touch-btn { padding: 7px 2px; }
}