/* 湖笔技艺 · 非遗研学 - 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  /* iOS 安全区域 */
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

body {
  margin: 0;
  padding: 0;
  background-color: #1a1a2e;
  overflow: hidden;
  /* 禁止移动端双击缩放和选择 */
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  /* 禁止 iOS 橡皮筋效果 */
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

#app {
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

#game-container {
  width: 100%;
  height: 100%;
}

/* 横屏提示 */
#orientation-hint {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #1a1a2e;
  z-index: 9999;
  color: #c9a96e;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 20px;
  text-align: center;
}
#orientation-hint::before {
  content: "📱";
  font-size: 48px;
  display: block;
  animation: rotate-phone 1.5s ease-in-out infinite;
}
@keyframes rotate-phone {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-90deg); }
}

canvas {
  display: block;
}