/* ===== HS Code Game (desktop, authenticated users only) ===== */

/* 顶部容器：结构图 / 小游戏切换的公共父级 */
.hs-code-top {
  position: relative;
}

/* 切换按钮：浮于标题区右上角 */
.hs-code-toggle {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 5;
}

/* 游戏舞台：toast 定位基准，与 .code-structure__diagram 同宽同风格 */
.hs-code-game__stage {
  position: relative;
  width: 750px;
  margin: var(--su32) auto;
  border: 1px solid var(--bs-border-color);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  overflow: hidden;
}

.hs-code-game__stage canvas {
  display: block;
  cursor: pointer;
}

/* 顶砖块弹出的编码文本卡片（由 JS 定位到砖块上方） */
.hs-code-game__toast {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 300px;
  padding: 10px 12px;
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  font-size: 12px;
  line-height: 1.5;
  color: var(--bs-body-color);
  opacity: 0;
  transform: translateX(-50%) translateY(14px) scale(0.6);
  transform-origin: bottom center;
  transition: transform 0.35s cubic-bezier(0.2, 1.5, 0.4, 1), opacity 0.25s ease;
  pointer-events: none;
  z-index: 4;
}

.hs-code-game__toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
  pointer-events: auto;
}

.hs-code-game__toast-title {
  font-weight: bold;
  font-size: 13px;
  color: var(--bs-primary);
  margin-bottom: 4px;
}

.hs-code-game__toast-sub {
  margin-top: 4px;
  color: var(--bs-secondary-color);
  font-size: 11px;
}

.hs-code-game__toast-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
}

/* 底部操作提示 */
.hs-code-game__tip {
  text-align: center;
  color: var(--bs-secondary-color);
  font-size: 0.85rem;
  margin: calc(-1 * var(--su16)) 0 var(--su24);
}