html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0b1028;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

body {
  position: fixed;
  inset: 0;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  box-sizing: border-box;
}

canvas {
  position: absolute;
  display: block;
  touch-action: none;
  outline: none;
  image-rendering: -moz-crisp-edges;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #0b1028;
}

/* Arka perde (src/engine/canvas.js): tüm ekran, güvenli alanlar dahil; oyunun kenar satırlarıyla dolar. */
canvas.bleed {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#err-overlay {
  position: fixed;
  left: 0; right: 0; top: 0;
  max-height: 50%;
  overflow: auto;
  margin: 0;
  padding: 8px;
  padding-top: calc(8px + env(safe-area-inset-top));
  background: rgba(120, 0, 0, 0.9);
  color: #fff;
  font: 12px/1.35 monospace;
  white-space: pre-wrap;
  z-index: 10;
  pointer-events: auto;
}