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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #1a1a2e;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

#game-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #87CEEB 0%, #98D8AA 100%);
}

#gameCanvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  max-width: 100%;
  max-height: 100%;
}

#ui-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0,0,0,0.5);
  color: white;
  font-size: 14px;
  z-index: 100;
}

#title-bar {
  font-size: 16px;
  font-weight: bold;
}

#status-bar {
  display: flex;
  gap: 15px;
}

/* 移动端适配 */
@media (max-width: 600px) {
  #ui-overlay {
    padding: 8px 10px;
    font-size: 12px;
  }
  #title-bar {
    font-size: 14px;
  }
}