/* 右侧图层面板（整合态势+疆域+图层） */
.sandbox-layer-panel {
    position: absolute;
    top: 66px;
    right: 25px;  /* 从 left: 17% 改为 right: 20px */
    width: 200px;
    background: #f5e7d3 !important;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    padding: 12px;
    z-index: 1000;
    transition: transform 0.5s ease, opacity 0.3s ease;
}

/* 收起状态：只位移，不设置 pointer-events */
.sandbox-layer-panel.collapsed {
    transform: translateX(100%);  /* 从 -100% 改为 100%，向右收起 */
    opacity: 0;
}

/* 按钮通用样式 */
.layer-toggle-btn {
    background: #dfda00;
    color: #000000;
    border: none;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.layer-toggle-btn:hover {
    background: #1853d1;
    color: #ffffff;
}

.layer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-weight: bold;
}

.layer-group {
    margin-bottom: 12px;
}

.layer-group-title {
    font-size: 12px;
    color: #666;
    margin-bottom: 6px;
}

.layer-item {
    display: block;
    font-size: 13px;
    margin-bottom: 4px;
    cursor: pointer;
}

/* --------- 展开按钮：收起后固定在左侧中间 --------- */
#expandLayerPanel {
    position: fixed;
    top: 88px;
    right: 20px;
    left: auto;
    transform: translateY(-50%);
    z-index: 9999;
    padding: 7px 6px;
    writing-mode: vertical-rl;
    letter-spacing: 2px;
    /* background: #dfda00; */
    border: 1px solid #e1e5e9;
    border-radius: 6px;
    font-size: 13px;
    /* color: #000000; */
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: none;
}

/* 收起后显示展开按钮 */
.sandbox-layer-panel.collapsed + #expandLayerPanel {
    display: block;
}

.layer-close-btn {
    cursor: pointer;
    font-size: 12px;
    background: #dfda00;
    color: #000000;
    border: none;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.8s;
    border: 1px solid #e1e5e9;
}
.layer-close-btn:hover {
    background: #1853d1;
    color: #ffffff;
}



.layer-group:last-child {
    border-bottom: none;
}

.layer-expand-btn {
    width: 100%;
    padding: 8px;
    border: none;
    background: #f7f8fa;
    cursor: pointer;
    font-size: 12px;
    color: #666;
}

/* ========== 态势控制优化 ========== */
.status-group {
    background: #f5e7d3;
}
.status-item {
    font-weight: 500;
    color: #2a64c8;
}

/* 外层容器 */
.territory-group {
    margin-top: 10px;
}

.territory-group .layer-group-title {
    font-size: 13px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.territory-group .layer-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #333;
    margin-bottom: 12px;
    cursor: pointer;
}

/* 滑块整体容器 */
.territory-slider {
    position: relative;
    width: 100%;
    padding: 10px 0;
}

/* 时间轴轨道 */
.slider-track {
    position: relative;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #007AFF, #FF3B30);
    border-radius: 2px;
    margin: 0 auto;
}

/* 滑块点 */
.slider-dot {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #007AFF;
    z-index: 2;
}

.slider-dot.active {
    border-color: #FF3B30;
    background: #FF3B30;
    box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.3);
}

/* 箭头按钮 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 50%;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
    z-index: 3;
}

.slider-arrow:hover {
    background: #f0f0f0;
    color: #333;
}

.slider-arrow.left-arrow {
    left: -30px;
}

.slider-arrow.right-arrow {
    right: -30px;
}

/* 年份标注 */
.slider-years {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 12px;
    color: #666;
}

.slider-years span.active {
    color: #FF3B30;
    font-weight: bold;
}

/* 时代名称 */
.territory-name {
    margin-top: 8px;
    text-align: center;
    font-size: 13px;
    color: #333;
    font-weight: 500;
}

/* ======================
   疆域控制状态（你要的功能）
====================== */
/* 禁用：置灰 + 不可点 */
.slider-dot.disabled,
.slider-arrow.disabled {
    opacity: 0.4 !important;
    /* color: #999 !important; */
    cursor: not-allowed !important;
    pointer-events: none !important;
}

/* 可点击箭头：hover 高亮 */
.slider-arrow:not(.disabled):hover {
    transform: translateY(-50%) scale(1.18);
    color: #ec240d !important;
}

/* 时间点 hover 效果 */
.slider-dot:not(.disabled):hover {
    /* background: #999; */
    transform: translate(-50%, -50%) scale(1.1);
}
.slider-dot.active:not(.disabled):hover {
    background: #2396bd;
}


/* 右上角缩放按钮 */
.sandbox-zoom-controls {
    position: absolute;
    top: 15px;
    right: 290px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 1001;
}

.zoom-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: white;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    font-size: 16px;
    cursor: pointer;
}




/* 河流流动动画 */
.river-flow {
  stroke-dasharray: 12 6 !important;
  animation: water-flow 2.5s linear infinite !important;
}
@keyframes water-flow {
  to { stroke-dashoffset: -18; }
}

/* 河流标签：永远置顶、不遮挡、美观 */
.river-dynamic-label {
  pointer-events: none !important;
  z-index: 99999 !important;
}

.river-dynamic-label span {
  padding: 2px 6px !important;
  border-radius: 4px !important;
  color: #005599 !important;
  white-space: nowrap !important;
  transition: all 2s ease;
  text-shadow: 0 0 2px #fff, 0 0 2px #fff !important;
}

/* 通道线条样式 */
.passage-base-line {
  stroke-linecap: round;
  stroke-linejoin: round;
}
.passage-flow-line {
  animation: passageFlow 3s linear infinite;
  stroke-linecap: round;
  stroke-linejoin: round;
}
@keyframes passageFlow {
  to {
    stroke-dashoffset: -12;
  }
}

/* 山脉线条 - 正确 SVG 样式 */
path.mountain-line {
  fill: none !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
  transition: all 0.25s ease !important;
}
path.mountain-line[stroke="#e74c3c"] {
  filter: drop-shadow(0 0 3px rgba(231,76,60,0.6));
}
path.mountain-line:hover {
  opacity: 1 !important;
}
path.mountain-line[stroke="#e74c3c"]:hover {
  stroke-width: 4px !important;
  filter: drop-shadow(0 0 6px #e74c3c);
}
path.mountain-line:not([stroke="#e74c3c"]):hover {
  stroke-width: 2.8px !important;
}
.mountain-label {
  z-index: 9990 !important;
  pointer-events: none !important;
}

.territory-label div {
  pointer-events: none; /* 标签不影响地图点击 */
  white-space: nowrap;
}

/* 强制清除古代地理标签的默认背景 */
.region-label {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
}