/* 游戏全局样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  width: 100dvw; height: 100dvh;
  background: #000;
  overflow: hidden;
  /* overscroll-behavior 阻止弹性滚动 */
  overscroll-behavior: none;
  /* 安全区域由 game-container 自行管理，body 不加 padding */
  padding: 0;
  margin: 0;

  font-family: 'SourceHanSansSC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-overflow-scrolling: none;
}

/* ── Loading 界面 ── */
#loading-screen {
  width: 100%; height: 100%;
  width: 100dvw; height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #111;
}

#loading-box {
  text-align: center;
  color: #ccc;
  width: 320px;
  max-width: 90vw;
}

#loading-title {
  font-size: 22px;
  margin-bottom: 20px;
  letter-spacing: 4px;
}

#loading-bar-bg {
  width: 100%; height: 8px;
  background: #333;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}

#loading-bar-fill {
  width: 0%; height: 100%;
  background: #d4a574;
  border-radius: 4px;
  transition: width 0.15s ease-out;
}

#loading-percent {
  font-size: 16px;
  color: #888;
  margin-bottom: 8px;
}

#loading-detail {
  font-size: 12px;
  color: #555;
  min-height: 16px;
}

/* ── 游戏容器 ── */
#game-container {
  width: 100%; height: 100%;
  width: 100dvw; height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: #000;
}

#game-canvas {
  display: block;
}

#ui-layer {
  position: absolute;
  pointer-events: none;
}

#debug-panel {
  position: absolute;
  top: 8px; left: 8px;
  background: rgba(0,0,0,0.85);
  color: #0f0;
  font-size: 14px;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid #0f0;
  white-space: pre-wrap;
  font-family: 'Consolas', monospace;
  pointer-events: none;
  z-index: 100;
  min-width: 200px;
  min-height: 60px;
  line-height: 1.5;
}

/* ── 移动端触摸开始覆盖层 ── */
#tap-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  width: 100dvw; height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #000;
  z-index: 9999;
  cursor: pointer;
}

#tap-text {
  color: #fff;
  font-size: 22px;
  letter-spacing: 8px;
  animation: tap-pulse 2s ease-in-out infinite;
}

#tap-sub {
  color: #666;
  font-size: 13px;
  margin-top: 18px;
  letter-spacing: 3px;
}

@keyframes tap-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}