/* 缝合像素字体（Fusion Pixel Font，OFL）。把字体文件放进 assets/fonts/ 即可自动启用，缺失时退回系统字体。 */
@font-face {
  font-family: "FusionPixel12";
  src: url("assets/fonts/fusion-pixel-12px-monospaced-zh_hans.woff2") format("woff2"),
       url("assets/fonts/fusion-pixel-12px-monospaced-zh_hans.ttf") format("truetype"),
       url("assets/fonts/fusion-pixel-12px-proportional-zh_hans.woff2") format("woff2"),
       url("assets/fonts/fusion-pixel-12px-proportional-zh_hans.ttf") format("truetype");
  font-display: swap;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: #05070c;
  color: #c9d6e6;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  font-family: "FusionPixel12", "WenQuanYi Zen Hei Sharp", "Zpix", monospace;
}

#stage {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
#game {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
  outline: none;
  touch-action: none;
}

.site-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: max(8px, env(safe-area-inset-top)) 12px 8px;
  pointer-events: none;
}
.site-bar > * { pointer-events: auto; }
.site-link, .share-btn {
  font: inherit;
  font-size: 12px;
  letter-spacing: 1px;
  color: #6b7a90;
  background: rgba(10, 15, 28, .55);
  border: 1px solid #1f2a3e;
  padding: 5px 9px;
  text-decoration: none;
  cursor: pointer;
  opacity: .72;
  transition: opacity .2s, color .2s;
}
.site-link:hover, .share-btn:hover, .site-link:focus-visible, .share-btn:focus-visible { opacity: 1; color: #e8eff7; }

#pad {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 6;
  display: none;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 16px max(16px, env(safe-area-inset-bottom));
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}
body.touch #pad { display: flex; }
#pad button {
  pointer-events: auto;
  font: inherit;
  color: #c9d6e6;
  background: rgba(22, 35, 63, .55);
  border: 1px solid #2c4468;
  border-radius: 6px;
  width: 52px; height: 52px;
  font-size: 18px;
  touch-action: none;
}
#pad button.on { background: rgba(61, 85, 120, .85); }
.dpad {
  display: grid;
  grid-template-columns: 52px 52px 52px;
  grid-template-rows: 52px 52px 52px;
  gap: 2px;
}
.k-up { grid-column: 2; grid-row: 1; }
.k-left { grid-column: 1; grid-row: 2; }
.k-right { grid-column: 3; grid-row: 2; }
.k-down { grid-column: 2; grid-row: 3; }
.abtns {
  display: grid;
  grid-template-columns: 52px 52px;
  grid-template-rows: 52px 52px;
  gap: 8px;
}
#pad .k-ok { grid-column: 2; grid-row: 2; width: 64px; height: 64px; border-radius: 50%; }
#pad .k-skip { grid-column: 1; grid-row: 2; border-radius: 50%; }
#pad .k-menu { grid-column: 2; grid-row: 1; height: 36px; align-self: end; }

#toast {
  position: fixed;
  left: 50%;
  bottom: 18%;
  transform: translateX(-50%);
  z-index: 7;
  font-size: 12px;
  color: #e8eff7;
  background: rgba(10, 15, 28, .9);
  border: 1px solid #2c4468;
  padding: 6px 12px;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
#toast.show { opacity: 1; }

.noscript { position: fixed; inset: 0; display: grid; place-items: center; margin: 0; }