/* ============================================================
   BATTLE CITY — Styles
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  background: #111;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  font-family: monospace;
}

/* ── Game canvas ─────────────────────────────────────────── */

#game-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 4px;
}

#game {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
}

/* ── Mobile controls ─────────────────────────────────────── */

#controls {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  height: 160px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 20px;
  background: rgba(0,0,0,0.7);
  /* Only show on touch devices */
}

/* Hide controls on desktop (pointer: fine = mouse) */
@media (pointer: fine) {
  #controls { display: none; }
  #game-wrapper { align-items: center; height: 100vh; }
}

/* D-Pad */
#dpad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.dpad-row {
  display: flex;
  justify-content: center;
  gap: 2px;
}

.dpad-middle {
  align-items: center;
}

.dpad-center {
  width: 44px; height: 44px;
  background: #333;
  border-radius: 4px;
}

.dpad-btn {
  width: 52px; height: 52px;
  background: #2a2a2a;
  border: 2px solid #555;
  border-radius: 8px;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.05s;
}

.dpad-btn:active, .dpad-btn.pressed {
  background: #f97316;
  border-color: #fb923c;
}

/* Action buttons */
#action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.action-btn {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 3px solid #555;
  background: #1a1a1a;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.05s;
}

#btn-fire {
  background: #7f1d1d;
  border-color: #ef4444;
  width: 72px; height: 72px;
  font-size: 28px;
}

#btn-fire:active, #btn-fire.pressed {
  background: #ef4444;
}

#btn-pause:active, #btn-pause.pressed {
  background: #374151;
}

/* ── Landscape mobile: side-by-side layout ───────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  #game-wrapper {
    align-items: center;
    height: calc(100vh);
  }
  #controls {
    height: 120px;
  }
  .dpad-btn { width: 44px; height: 44px; font-size: 16px; }
  .dpad-center { width: 36px; height: 36px; }
  .action-btn { width: 52px; height: 52px; }
  #btn-fire { width: 60px; height: 60px; }
}