* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: #0F1117;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  font-family: system-ui, sans-serif;
  touch-action: none;
}
#gameContainer {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
#gameCanvas {
  display: block;
  background: #050810;
  image-rendering: pixelated;
}
#ui {
  position: absolute;
  top: 0; left: 0; right: 0;
  pointer-events: none;
  padding: 8px 12px;
  z-index: 10;
}
#hud {
  display: flex;
  gap: 16px;
  align-items: center;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  background: rgba(26,29,39,0.9);
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid #305CDE33;
}
.shipIcon { font-size: 18px; }
#levelArea { color: #aaa; }
#scoreArea { font-weight: 700; }
#hiArea { color: #305CDE; margin-left: auto; }
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(5,8,16,0.95);
  color: #fff;
  z-index: 20;
  gap: 14px;
}
.screen h1 {
  font-size: clamp(36px, 9vw, 72px);
  font-weight: 900;
  color: #305CDE;
  text-align: center;
  text-shadow: 0 0 40px #305CDE88;
  line-height: 1.05;
}
.screen p { font-size: 15px; color: #aaa; text-align: center; }
.screen .sub { font-size: 13px; color: #555; }
button {
  margin-top: 6px;
  padding: 12px 38px;
  font-size: 19px;
  font-weight: 700;
  background: #305CDE;
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  transition: background 0.2s;
}
button:hover { background: #4a7aff; }
button:active { transform: scale(0.97); }
.hiscore { color: #305CDE; font-size: 14px; }
#goScore, #goLevel { font-size: 22px; color: #aaa; }
#mobileControls {
  position: absolute;
  bottom: 12px;
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  z-index: 15;
  pointer-events: none;
}
.zone {
  width: 80px; height: 60px;
  background: rgba(48,92,222,0.25);
  border: 2px solid #305CDE66;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  cursor: pointer;
  pointer-events: all;
  user-select: none;
}
.zone:active { background: rgba(48,92,222,0.5); }
.fireZone {
  width: 90px; height: 60px;
  background: rgba(222,48,48,0.3);
  border: 2px solid #de303066;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #ff6666;
  cursor: pointer;
  pointer-events: all;
  user-select: none;
}
.fireZone:active { background: rgba(222,48,48,0.6); }
@media (pointer: fine) {
  #mobileControls { display: none; }
}