:root {
  --bg: #05070d;
  --panel: rgba(10, 15, 24, 0.8);
  --panel-solid: rgba(8, 12, 20, 0.95);
  --line: rgba(168, 199, 230, 0.17);
  --text: #e8eef6;
  --muted: #9db0c4;
  --dim: #6e8199;
  --accent: #9fd0ff;
  --accent-light: #d4ecff;
  --accent-dark: #5b8dc9;
  --accent-soft: rgba(159, 208, 255, 0.15);
  --radius: 12px;
  --shadow: 0 12px 36px rgba(0, 0, 0, 0.55);
  --intro-w: 356px;
}

#map {
  background:
    radial-gradient(circle at 50% 42%, rgba(25, 34, 52, 0.35), transparent 62%),
    radial-gradient(circle at 50% 120%, rgba(255, 255, 255, 0.06), transparent 45%),
    #05070d;
}

/* 3D 容器与 canvas */
#map canvas { display: block; cursor: grab; }
#map canvas:active { cursor: grabbing; }

.legend em i { width: 10px; height: 3px; border-radius: 3px; }

/* 共享主题不带的 chips / hint-n（regions.css 才有，这里按主题补一份） */
.hint-n { font-size: 10.5px; color: var(--dim); font-weight: 400; font-variant-numeric: tabular-nums; }
.chips { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px; }
.chips button {
  font: inherit; font-size: 11.5px; color: var(--muted); cursor: pointer;
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
  border-radius: 7px; padding: 5px 11px;
  transition: background .16s, color .16s, border-color .16s;
  font-variant-numeric: tabular-nums;
}
.chips button:hover { color: var(--text); }
.chips button.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); font-weight: 600; }

/* 标注：随球体旋转的月面地名 / 任务点 */
.moon-label {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: pointer;
  z-index: 6;
  font-size: 11px;
  line-height: 1.3;
  color: #e4ecf6;
  padding: 3px 8px 3px 7px;
  border-radius: 7px;
  background: rgba(7, 11, 18, 0.82);
  border: 1px solid rgba(159, 208, 255, 0.28);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: color .16s, border-color .16s, background .16s, transform .16s;
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.moon-label::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 2px;
  height: 14px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, var(--rc, rgba(159, 208, 255, 0.45)), transparent);
}
.moon-label:hover, .moon-label.active {
  color: #fff;
  background: rgba(9, 14, 24, 0.96);
  border-color: var(--rc, var(--accent));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--rc, #9fd0ff) 26%, transparent), 0 6px 18px rgba(0, 0, 0, 0.5);
}
/* 桌面端悬停高亮（JS 加 class，命中球面地物锚点时） */
.moon-label.hover {
  color: #fff;
  background: rgba(9, 14, 24, 0.96);
  border-color: var(--rc, var(--accent));
}
.moon-label.is-hidden { display: none; }
.moon-label .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 4px;
  border-radius: 50%;
  background: var(--rc, var(--accent));
  box-shadow: 0 0 8px var(--rc, var(--accent));
  vertical-align: middle;
}
/* 按类型区分标注方式：图标形状 + 主题色 + 文字色，一眼可分四类
   月海=方块(面状) · 环形山=圆环(坑口) · 山脉月谷=三角(山峰) · 探测=星点(任务) */
.moon-label.type-mare { color: #c7ddff; border-color: rgba(170, 208, 255, 0.34); }
.moon-label.type-mare .dot {
  border-radius: 1.5px;
  background: #aad0ff;
  box-shadow: 0 0 7px #aad0ff;
}
.moon-label.type-crater { color: #e6d4a8; border-color: rgba(217, 200, 160, 0.36); }
.moon-label.type-crater .dot {
  width: 5px;
  height: 5px;
  background: transparent;
  border: 1.6px solid #d9c8a0;
  box-shadow: 0 0 6px rgba(217, 200, 160, 0.55);
}
.moon-label.type-mountain { color: #f6c884; border-color: rgba(240, 184, 110, 0.36); }
.moon-label.type-mountain .dot {
  width: 0;
  height: 0;
  background: transparent;
  border-left: 4.5px solid transparent;
  border-right: 4.5px solid transparent;
  border-bottom: 7px solid #f0b86e;
  box-shadow: none;
  margin-right: 5px;
}
.moon-label.type-mission {
  --rc: #7dd3fc;
  color: #eaf7ff;
  border-color: rgba(125, 211, 252, 0.55);
  background: rgba(10, 24, 36, 0.92);
}
.moon-label.type-mission .dot {
  background: #7dd3fc;
  box-shadow: 0 0 10px #7dd3fc, 0 0 4px #7dd3fc;
}

/* 悬停命中提示（跟随鼠标） */
.ttip { z-index: 10; }

/* 点击空白月面的临时坐标签 */
.moon-pin {
  position: absolute;
  transform: translate(-50%, -165%);
  pointer-events: none;
  z-index: 7;
  font-size: 11px;
  color: #eaf3ff;
  background: rgba(8, 14, 24, 0.92);
  border: 1px solid rgba(125, 211, 252, 0.45);
  border-radius: 7px;
  padding: 3px 9px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity .25s;
}
.moon-pin.is-on { opacity: 1; }
.moon-pin i {
  position: absolute;
  left: 50%;
  top: 100%;
  width: 7px;
  height: 7px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: #7dd3fc;
  box-shadow: 0 0 8px #7dd3fc;
}

/* 触屏 / 小屏适配走共享主题样式；额外保证月球占满 */
@media (max-width: 900px) {
  .moon-label { font-size: 10px; padding: 2px 6px 2px 5px; max-width: 132px; }
  .moon-label::before { height: 10px; }
}

/* 图例图标：与四类标注形状/颜色一一对应 */
.legend .lg {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 6px;
  vertical-align: -1px;
  border-radius: 50%;
  background: #aad0ff;
}
.legend .lg-mare { border-radius: 2px; background: #aad0ff; }
.legend .lg-crater { width: 7px; height: 7px; background: transparent; border: 1.6px solid #d9c8a0; }
.legend .lg-mtn {
  width: 0; height: 0; border-radius: 0;
  background: transparent;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 9px solid #f0b86e;
}
.legend .lg-mission { background: #7dd3fc; box-shadow: 0 0 6px #7dd3fc; }