/* Footprint Page Styles - Canonical Site Shell Integration */
:root {
  --color-hiking: #ff7a00;
  --color-trail: #ef4444;
  --color-running: #00d2ff;
  --color-cycling: #10b981;
  --color-walking: #14b8a6;
  --color-skateboarding: #eab308;
  --color-driving: #ec4899;
  --color-train: #a855f7;
  --color-flight: #38bdf8;
  --color-transit: #a855f7;
  
  --accent: #2563eb;
  --radius: 12px;

  /* HUD 容器与毛玻璃背景 (Light Mode 浅色日间) */
  --hud-bg: rgba(255, 255, 255, 0.88);
  --hud-bg-solid: #ffffff;
  --hud-border: rgba(0, 0, 0, 0.1);
  --hud-text: #0f172a;
  --hud-subtext: #64748b;
  --hud-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --hud-shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.12);

  /* 卡片 */
  --hud-card-bg: rgba(248, 250, 252, 0.85);
  --hud-card-border: rgba(0, 0, 0, 0.06);
  --hud-card-hover: rgba(241, 245, 249, 0.95);
  --hud-card-active: rgba(238, 242, 255, 0.95);
  --hud-card-title: #0f172a;
  --hud-badge-bg: rgba(0, 0, 0, 0.05);

  /* 输入框 */
  --hud-input-bg: rgba(241, 245, 249, 0.9);
  --hud-input-border: rgba(0, 0, 0, 0.12);
  --hud-input-text: #0f172a;
  --hud-input-placeholder: #94a3b8;

  /* 按钮 */
  --hud-btn-bg: rgba(255, 255, 255, 0.9);
  --hud-btn-hover: #ffffff;
  --hud-btn-border: rgba(0, 0, 0, 0.12);
  --hud-btn-text: #1e293b;

  /* 下拉菜单 */
  --hud-dropdown-bg: rgba(255, 255, 255, 0.96);
  --hud-dropdown-border: rgba(0, 0, 0, 0.1);
  --hud-dropdown-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
  --hud-menu-item-hover: rgba(0, 0, 0, 0.05);
  --hud-menu-item-active: rgba(37, 99, 235, 0.1);
  --hud-menu-item-active-text: #2563eb;
  --hud-divider: rgba(0, 0, 0, 0.08);

  /* 工作区外框 */
  --workspace-bg: #f1f5f9;
  --workspace-border: rgba(0, 0, 0, 0.1);

  /* 指标强度阶梯颜色 (Light Mode 日间) */
  --tier-0-color: #64748b;
  --tier-0-bg: rgba(100, 116, 139, 0.08);
  --tier-0-border: rgba(100, 116, 139, 0.18);

  --tier-1-color: #059669;
  --tier-1-bg: rgba(5, 150, 105, 0.08);
  --tier-1-border: rgba(5, 150, 105, 0.22);

  --tier-2-color: #0284c7;
  --tier-2-bg: rgba(2, 132, 199, 0.08);
  --tier-2-border: rgba(2, 132, 199, 0.22);

  --tier-3-color: #d97706;
  --tier-3-bg: rgba(217, 119, 6, 0.08);
  --tier-3-border: rgba(217, 119, 6, 0.22);

  --tier-4-color: #e11d48;
  --tier-4-bg: rgba(225, 29, 72, 0.08);
  --tier-4-border: rgba(225, 29, 72, 0.22);

  --tier-5-color: #c026d3;
  --tier-5-bg: rgba(192, 38, 211, 0.08);
  --tier-5-border: rgba(192, 38, 211, 0.22);

  --tier-6-color: #7c3aed;
  --tier-6-bg: rgba(124, 58, 237, 0.08);
  --tier-6-border: rgba(124, 58, 237, 0.22);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-hiking: #ff7a00;
    --color-trail: #ef4444;
    --color-running: #00d2ff;
    --color-cycling: #10b981;
    --color-walking: #14b8a6;
    --color-skateboarding: #eab308;
    --color-driving: #ec4899;
    --color-train: #a855f7;
    --color-flight: #38bdf8;
    --color-transit: #a855f7;
    
    --accent: #3b82f6;

    /* HUD 容器与毛玻璃背景 (Dark Mode 深色夜间) */
    --hud-bg: rgba(15, 23, 42, 0.88);
    --hud-bg-solid: #0f172a;
    --hud-border: rgba(255, 255, 255, 0.12);
    --hud-text: #f8fafc;
    --hud-subtext: #94a3b8;
    --hud-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    --hud-shadow-lg: 0 25px 50px rgba(0, 0, 0, 0.6);

    /* 卡片 */
    --hud-card-bg: rgba(30, 41, 59, 0.55);
    --hud-card-border: rgba(255, 255, 255, 0.06);
    --hud-card-hover: rgba(51, 65, 85, 0.7);
    --hud-card-active: rgba(30, 58, 138, 0.4);
    --hud-card-title: #ffffff;
    --hud-badge-bg: rgba(255, 255, 255, 0.1);

    /* 输入框 */
    --hud-input-bg: rgba(0, 0, 0, 0.4);
    --hud-input-border: rgba(255, 255, 255, 0.15);
    --hud-input-text: #ffffff;
    --hud-input-placeholder: #64748b;

    /* 按钮 */
    --hud-btn-bg: rgba(15, 23, 42, 0.85);
    --hud-btn-hover: rgba(30, 41, 59, 0.95);
    --hud-btn-border: rgba(255, 255, 255, 0.15);
    --hud-btn-text: #f8fafc;

    /* 下拉菜单 */
    --hud-dropdown-bg: rgba(15, 23, 42, 0.96);
    --hud-dropdown-border: rgba(255, 255, 255, 0.12);
    --hud-dropdown-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
    --hud-menu-item-hover: rgba(255, 255, 255, 0.08);
    --hud-menu-item-active: rgba(59, 130, 246, 0.2);
    --hud-menu-item-active-text: #60a5fa;
    --hud-divider: rgba(255, 255, 255, 0.08);

    /* 工作区外框 */
    --workspace-bg: #0d1117;
    --workspace-border: rgba(255, 255, 255, 0.15);

    /* 指标强度阶梯颜色 (Dark Mode 夜间) */
    --tier-0-color: #94a3b8;
    --tier-0-bg: rgba(148, 163, 184, 0.12);
    --tier-0-border: rgba(148, 163, 184, 0.22);

    --tier-1-color: #34d399;
    --tier-1-bg: rgba(52, 211, 153, 0.12);
    --tier-1-border: rgba(52, 211, 153, 0.25);

    --tier-2-color: #38bdf8;
    --tier-2-bg: rgba(56, 189, 248, 0.12);
    --tier-2-border: rgba(56, 189, 248, 0.25);

    --tier-3-color: #fbbf24;
    --tier-3-bg: rgba(251, 191, 36, 0.12);
    --tier-3-border: rgba(251, 191, 36, 0.25);

    --tier-4-color: #fb7185;
    --tier-4-bg: rgba(251, 113, 133, 0.12);
    --tier-4-border: rgba(251, 113, 133, 0.25);

    --tier-5-color: #e879f9;
    --tier-5-bg: rgba(232, 121, 249, 0.12);
    --tier-5-border: rgba(232, 121, 249, 0.25);

    --tier-6-color: #a78bfa;
    --tier-6-bg: rgba(167, 139, 250, 0.12);
    --tier-6-border: rgba(167, 139, 250, 0.25);
  }
}

html,
body.footprint-page {
  min-height: 100vh;
  overflow-y: auto; /* 允许正常上下滚动，随时查看顶栏菜单与置顶内容 */
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

.footprint-page {
  background: var(--site-shell-bg, #fff);
  color: var(--site-shell-text, #000);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
}

@media (prefers-color-scheme: dark) {
  .footprint-page {
    background: #000;
    color: #fff;
  }
}

.footprint-main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding-top: 0;
  padding-bottom: 1rem;
  box-sizing: border-box;
}

/* 页面头部 Hero (与 media / photography 保持一致的规范) */
.footprint-hero {
  flex-shrink: 0;
  display: block;
  border-bottom: 0;
  padding-top: 0.5rem;
  padding-bottom: 0.4rem;
}

.footprint-title {
  margin: 0;
  padding: 0;
  font-size: 2rem;
  line-height: 2.25rem;
  font-weight: 700;
  letter-spacing: 0;
  font-family: SiteSignika, Signika, ui-sans-serif, system-ui, sans-serif;
}

/* 分类选项卡 Tabs */
.footprint-tabs {
  flex-shrink: 0;
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 0.4rem;
}

.footprint-tab {
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  padding: 0.2rem 0;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.65;
  transition: opacity 0.2s, border-color 0.2s;
}

.footprint-tab:hover {
  opacity: 0.9;
}

.footprint-tab.is-active {
  opacity: 1;
  border-bottom-color: var(--accent);
}

.footprint-tab[data-type="hiking"].is-active { border-bottom-color: var(--color-hiking); color: var(--color-hiking); }
.footprint-tab[data-type="trail_running"].is-active { border-bottom-color: var(--color-trail); color: var(--color-trail); }
.footprint-tab[data-type="running"].is-active { border-bottom-color: var(--color-running); color: var(--color-running); }
.footprint-tab[data-type="cycling"].is-active { border-bottom-color: var(--color-cycling); color: var(--color-cycling); }
.footprint-tab[data-type="walking"].is-active { border-bottom-color: var(--color-walking); color: var(--color-walking); }
.footprint-tab[data-type="skateboarding"].is-active { border-bottom-color: var(--color-skateboarding); color: var(--color-skateboarding); }
.footprint-tab[data-type="driving"].is-active { border-bottom-color: var(--color-driving); color: var(--color-driving); }
.footprint-tab[data-type="train"].is-active { border-bottom-color: var(--color-train); color: var(--color-train); }
.footprint-tab[data-type="flight"].is-active { border-bottom-color: var(--color-flight); color: var(--color-flight); }

.tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.tab-count {
  font-size: 0.75rem;
  opacity: 0.7;
  font-feature-settings: "tnum";
}

/* 介绍与概要统计条 */
.footprint-intro-row {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.footprint-intro {
  margin: 0;
  max-width: 44rem;
  color: var(--hud-subtext);
  font-size: 0.8rem;
  line-height: 1.5;
}

.footprint-summary-strip {
  font-size: 0.82rem;
  color: inherit;
  font-feature-settings: "tnum";
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.footprint-summary-strip b {
  font-weight: 700;
}

.summary-divider {
  opacity: 0.35;
}

/* 主展示工作区 (自适应填满屏幕剩余高度) */
.footprint-workspace {
  height: calc(100vh - 160px);
  min-height: 360px;
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--workspace-border);
  box-shadow: var(--hud-shadow);
  background: var(--workspace-bg);
  box-sizing: border-box;
}

/* 全屏沉浸模式 */
.footprint-workspace.is-fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  max-height: none !important;
  z-index: 99999 !important;
  border-radius: 0 !important;
  border: none !important;
  margin: 0 !important;
  box-shadow: none !important;
}

/* 地图 Canvas */
.footprint-map {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

/* 地图右上角工具栏 (主题切换 + 全屏按钮) */
.map-toolbar {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toolbar-btn {
  background: var(--hud-btn-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hud-btn-border);
  color: var(--hud-btn-text);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--hud-shadow);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.toolbar-btn:hover,
.toolbar-btn.active {
  background: var(--hud-btn-hover);
  border-color: var(--accent);
  color: var(--hud-btn-text);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.dropdown-arrow {
  font-size: 10px;
  opacity: 0.7;
  margin-left: 2px;
  transition: transform 0.2s;
}

/* MapLibre 原生 NavigationControl 与 ScaleControl 控件适配，避开右上角工具栏 */
.footprint-workspace .maplibregl-ctrl-top-right {
  top: 56px;
  right: 14px;
  z-index: 8;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.footprint-workspace .maplibregl-ctrl-top-right .maplibregl-ctrl {
  margin: 0 0 8px 0;
  box-shadow: var(--hud-shadow);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--hud-btn-border);
  background: var(--hud-btn-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.footprint-workspace .maplibregl-ctrl-group button {
  width: 32px;
  height: 32px;
  background-color: transparent;
  border: none;
  border-bottom: 1px solid var(--hud-divider);
  transition: background-color 0.15s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footprint-workspace .maplibregl-ctrl-group button:last-child {
  border-bottom: none;
}

.footprint-workspace .maplibregl-ctrl-group button:hover {
  background-color: var(--hud-btn-hover);
}

@media (prefers-color-scheme: dark) {
  .footprint-workspace .maplibregl-ctrl-group button .maplibregl-ctrl-icon {
    filter: invert(1) brightness(1.2);
  }
}

/* 下拉菜单容器与底图/图层控制 */
.dropdown-wrapper {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--hud-dropdown-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hud-dropdown-border);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--hud-dropdown-shadow);
  z-index: 100;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  animation: dropdownFadeIn 0.15s ease-out;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.basemap-menu {
  min-width: 230px;
  max-height: 70vh;
  overflow-y: auto;
}

.dropdown-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--hud-subtext);
  padding: 6px 8px 3px;
  margin-top: 4px;
}

.dropdown-group-title:first-child {
  margin-top: 0;
}

.group-tag {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  .group-tag {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
  }
}

.group-tag.free {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
}

@media (prefers-color-scheme: dark) {
  .group-tag.free {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
  }
}

.menu-item {
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--hud-text);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  transition: all 0.15s;
  user-select: none;
}

.menu-item:hover {
  background: var(--hud-menu-item-hover);
  color: var(--hud-text);
}

.menu-item.active {
  background: var(--hud-menu-item-active);
  color: var(--hud-menu-item-active-text);
  font-weight: 600;
}

.menu-item .item-icon {
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.menu-item .item-name {
  flex: 1;
}

.menu-item .item-check {
  font-size: 12px;
  color: var(--accent);
  opacity: 0;
}

.menu-item.active .item-check {
  opacity: 1;
}

.dropdown-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--hud-subtext);
  padding: 4px 8px 8px;
  border-bottom: 1px solid var(--hud-divider);
  margin-bottom: 2px;
}

.overlay-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--hud-text);
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.overlay-option:hover {
  background: var(--hud-menu-item-hover);
}

.overlay-option input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--accent);
}

.theme-btn {
  background: transparent;
  border: none;
  color: var(--hud-subtext);
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-btn:hover {
  color: var(--hud-text);
  background: var(--hud-menu-item-hover);
}

.theme-btn.active {
  background: var(--hud-menu-item-active);
  color: var(--hud-menu-item-active-text);
  font-weight: 600;
}

.fullscreen-btn {
  background: var(--hud-btn-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hud-btn-border);
  color: var(--hud-btn-text);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--hud-shadow);
  transition: all 0.2s ease;
}

.fullscreen-btn:hover {
  background: var(--hud-btn-hover);
  color: var(--hud-btn-text);
}

/* 侧边栏抽屉 */
.footprint-sidebar {
  position: absolute;
  top: 14px;
  left: 14px;
  bottom: 14px;
  width: 320px;
  max-width: calc(100% - 28px);
  background: var(--hud-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hud-border);
  border-radius: var(--radius);
  z-index: 10;
  display: flex;
  flex-direction: column;
  box-shadow: var(--hud-shadow);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.footprint-sidebar.collapsed {
  transform: translateX(calc(-100% - 20px));
  opacity: 0;
  pointer-events: none;
}

.sidebar-toggle-btn {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 11;
  background: var(--hud-btn-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--hud-btn-border);
  color: var(--hud-btn-text);
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  display: none;
  align-items: center;
  gap: 6px;
  box-shadow: var(--hud-shadow);
}

.footprint-sidebar.collapsed + .sidebar-toggle-btn,
.sidebar-toggle-btn.visible {
  display: inline-flex;
}

.sidebar-header {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--hud-divider);
}

.sidebar-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 8px;
}

.sidebar-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--hud-card-title);
  letter-spacing: 0.5px;
}

.sidebar-provinces-badge {
  font-size: 11px;
  color: var(--hud-subtext);
  background: var(--hud-badge-bg);
  padding: 2px 8px;
  border-radius: 12px;
  border: 1px solid var(--hud-card-border);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-feature-settings: "tnum";
  user-select: none;
}

.sidebar-provinces-badge b {
  color: var(--hud-card-title);
  font-weight: 700;
}

.sidebar-close-btn {
  background: transparent;
  border: none;
  color: var(--hud-subtext);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}

.sidebar-close-btn:hover {
  color: var(--hud-text);
  background: var(--hud-menu-item-hover);
}

.search-box {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  box-sizing: border-box;
  background: var(--hud-input-bg);
  border: 1px solid var(--hud-input-border);
  border-radius: 8px;
  padding: 7px 28px 7px 10px;
  color: var(--hud-input-text);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s, background-color 0.2s;
}

.search-input::placeholder {
  color: var(--hud-input-placeholder);
}

.search-input:focus {
  border-color: var(--accent);
}

.search-clear-btn {
  position: absolute;
  right: 6px;
  background: transparent;
  border: none;
  color: var(--hud-subtext);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 50%;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background-color 0.15s;
}

.search-clear-btn:hover {
  color: var(--hud-text);
  background: var(--hud-menu-item-hover);
}

/* 城市/省份快捷过滤胶囊栏 (Quick Filter Chips) */
.quick-filter-chips {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding-top: 8px;
  padding-bottom: 2px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.quick-filter-chips::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  flex-shrink: 0;
  background: var(--hud-card-bg);
  border: 1px solid var(--hud-card-border);
  color: var(--hud-subtext);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.15s ease;
  user-select: none;
  font-family: inherit;
  line-height: 1.2;
}

.filter-chip:hover {
  color: var(--hud-text);
  background: var(--hud-card-hover);
  border-color: var(--hud-btn-border);
}

.filter-chip.is-active {
  background: var(--hud-menu-item-active);
  color: var(--hud-menu-item-active-text);
  border-color: var(--accent);
  font-weight: 600;
}

.filter-chip sub {
  font-size: 9px;
  opacity: 0.75;
  vertical-align: baseline;
  position: relative;
  top: -1px;
  font-feature-settings: "tnum";
}

/* 轨迹列表 */
.track-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--hud-divider) transparent;
}

.track-list::-webkit-scrollbar {
  width: 4px;
}

.track-list::-webkit-scrollbar-thumb {
  background: var(--hud-divider);
  border-radius: 2px;
}

.track-card {
  background: var(--hud-card-bg);
  border: 1px solid var(--hud-card-border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.track-card:hover {
  background: var(--hud-card-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.track-card.active {
  background: var(--hud-card-active);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(37, 99, 235, 0.15);
}

.track-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3.5px;
  background: var(--card-color, #94a3b8);
}

.track-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}

.track-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--hud-card-title);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.track-card-badges {
  display: flex;
  align-items: center;
  gap: 4px;
}

.track-card-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--hud-badge-bg);
  color: var(--hud-subtext);
  font-weight: 500;
  white-space: nowrap;
}

.track-card-badge.is-muted {
  color: var(--hud-subtext);
  background: var(--hud-badge-bg);
  opacity: 0.85;
  font-weight: 400;
}

.track-card.is-no-track {
  cursor: default;
  opacity: 0.88;
}

.track-card.is-no-track:hover {
  background: var(--hud-card-bg);
  border-color: var(--hud-card-border);
  transform: none;
  box-shadow: none;
}

.track-card.is-no-track::before {
  opacity: 0.5;
}

.track-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 8px;
  font-size: 11px;
  color: var(--hud-subtext);
  margin-top: 6px;
}

.track-card-meta span {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-feature-settings: "tnum";
}

.track-meta-item {
  color: var(--hud-subtext);
  font-size: 11px;
  font-weight: 400;
}

/* 核心指标微胶囊高亮 (公里数 & 心率) */
.track-metric {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  transition: all 0.2s ease;
}

.track-metric.tier-0 {
  color: var(--tier-0-color);
  background: var(--tier-0-bg);
  border: 1px solid var(--tier-0-border);
}

.track-metric.tier-1 {
  color: var(--tier-1-color);
  background: var(--tier-1-bg);
  border: 1px solid var(--tier-1-border);
}

.track-metric.tier-2 {
  color: var(--tier-2-color);
  background: var(--tier-2-bg);
  border: 1px solid var(--tier-2-border);
}

.track-metric.tier-3 {
  color: var(--tier-3-color);
  background: var(--tier-3-bg);
  border: 1px solid var(--tier-3-border);
}

.track-metric.tier-4 {
  color: var(--tier-4-color);
  background: var(--tier-4-bg);
  border: 1px solid var(--tier-4-border);
}

.track-metric.tier-5 {
  color: var(--tier-5-color);
  background: var(--tier-5-bg);
  border: 1px solid var(--tier-5-border);
}

.track-metric.tier-6 {
  color: var(--tier-6-color);
  background: var(--tier-6-bg);
  border: 1px solid var(--tier-6-border);
}

/* 仅统计折叠分组（置顶显示） */
.stat-group-container {
  margin-bottom: 12px;
  border-bottom: 1px dashed var(--hud-divider);
  padding-bottom: 10px;
}

.stat-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--hud-card-bg);
  border: 1px solid var(--hud-card-border);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--hud-card-title);
}

.stat-group-header:hover {
  background: var(--hud-card-hover);
  border-color: var(--hud-input-border);
}

.stat-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-group-icon {
  font-size: 13px;
}

.stat-group-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--hud-card-title);
}

.stat-group-count {
  font-size: 11px;
  color: var(--hud-subtext);
  background: var(--hud-badge-bg);
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 500;
  font-feature-settings: "tnum";
}

.stat-group-chevron {
  font-size: 10px;
  color: var(--hud-subtext);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-group-container.is-expanded .stat-group-chevron {
  transform: rotate(180deg);
}

.stat-group-body {
  display: none;
  margin-top: 8px;
}

.stat-group-container.is-expanded .stat-group-body {
  display: block;
}

.track-list-empty-tip {
  text-align: center;
  padding: 16px 10px;
  color: var(--hud-subtext);
  font-size: 12px;
}

/* 底部高程剖面 HUD */
.profile-hud {
  position: absolute;
  bottom: 14px;
  left: 350px;
  right: 14px;
  background: var(--hud-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hud-border);
  border-radius: var(--radius);
  padding: 12px 18px;
  z-index: 10;
  box-shadow: var(--hud-shadow);
  display: none;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.profile-hud.visible {
  display: flex;
}

.profile-hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.profile-hud-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--hud-card-title);
  display: flex;
  align-items: center;
  gap: 8px;
}

.profile-hud-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-btn {
  background: var(--hud-btn-bg);
  border: 1px solid var(--hud-btn-border);
  color: var(--hud-btn-text);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.2s;
}

.action-btn:hover {
  background: var(--hud-btn-hover);
}

.action-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.profile-canvas-container {
  width: 100%;
  height: 90px;
  position: relative;
}

#elevation_canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.profile-hud-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--hud-subtext);
}

.profile-hud-stats b {
  color: var(--hud-card-title);
}

/* 路线详情重新唤起按钮 (类似轨迹列表按钮) */
.profile-toggle-btn {
  position: absolute;
  bottom: 14px;
  left: 350px;
  z-index: 11;
  background: var(--hud-btn-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--hud-btn-border);
  color: var(--hud-btn-text);
  border-radius: 10px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: none;
  align-items: center;
  gap: 6px;
  box-shadow: var(--hud-shadow);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.footprint-sidebar.collapsed ~ .profile-toggle-btn {
  left: 130px;
}

.profile-toggle-btn:hover {
  background: var(--hud-btn-hover);
  color: var(--hud-btn-text);
  transform: translateY(-1px);
  box-shadow: var(--hud-shadow-lg);
}

.profile-toggle-btn.visible {
  display: inline-flex;
}

@media (max-width: 900px) {
  .profile-toggle-btn {
    left: 14px;
    bottom: 14px;
  }
  .footprint-sidebar.collapsed ~ .profile-toggle-btn {
    left: 14px;
  }
}

/* 地图光标标点 */
.map-hover-marker {
  width: 12px;
  height: 12px;
  background: #00d2ff;
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 10px #00d2ff;
  pointer-events: none;
}

/* 地图相机图钉 Marker */
.photo-marker-pin {
  width: 28px;
  height: 28px;
  background: #ffffff;
  border: 2px solid #00d2ff;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(0, 210, 255, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s;
  z-index: 5;
}

.photo-marker-pin:hover {
  transform: scale(1.25);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.7);
  z-index: 10;
}

/* MapLibre 弹窗样式定制 */
.maplibregl-popup-content {
  background: var(--hud-bg) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--hud-border) !important;
  border-radius: var(--radius) !important;
  padding: 0 !important;
  box-shadow: var(--hud-shadow) !important;
  color: var(--hud-text) !important;
  overflow: hidden;
  max-width: 280px !important;
}

.maplibregl-popup-close-button {
  color: var(--hud-text) !important;
  font-size: 16px !important;
  padding: 4px 8px !important;
  z-index: 2;
}

.photo-popup-card {
  display: flex;
  flex-direction: column;
}

.photo-popup-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: #111;
}

.photo-popup-info {
  padding: 10px 12px;
}

.photo-popup-time {
  font-size: 10px;
  color: var(--hud-subtext);
  margin-bottom: 2px;
}

.photo-popup-params {
  font-size: 11px;
  color: var(--hud-card-title);
  font-weight: 500;
  margin-bottom: 6px;
  line-height: 1.3;
}

.photo-popup-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.photo-popup-link:hover {
  text-decoration: underline;
}

/* 底部沿途照片胶片轮播栏 */
.photo-strip-container {
  display: none;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0 4px;
  margin-top: 6px;
  border-top: 1px solid var(--hud-divider);
  scrollbar-width: thin;
  scrollbar-color: var(--hud-divider) transparent;
}

.photo-strip-container.visible {
  display: flex;
}

.photo-strip-item {
  flex: 0 0 64px;
  height: 50px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--hud-border);
  cursor: pointer;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.photo-strip-item:hover {
  transform: translateY(-2px);
  border-color: #00d2ff;
  box-shadow: 0 4px 10px rgba(0, 210, 255, 0.3);
}

.photo-strip-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 照片大图灯箱预览 (Lightbox 保持沉浸式暗黑规范) */
.photo-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10;
}

.lightbox-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.lightbox-img {
  max-width: 85vw;
  max-height: 70vh;
  object-fit: contain;
  display: block;
}

.lightbox-meta {
  width: 100%;
  padding: 12px 18px;
  box-sizing: border-box;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 3px;
  color: #ffffff;
}

.lightbox-exif {
  font-size: 12px;
  color: #00d2ff;
  margin-bottom: 3px;
}

.lightbox-time {
  font-size: 11px;
  color: #94a3b8;
  margin-bottom: 6px;
}

.lightbox-link {
  font-size: 12px;
  color: #60a5fa;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lightbox-link:hover {
  text-decoration: underline;
  color: #93c5fd;
}

/* 响应式断点 */
@media (max-width: 900px) {
  .footprint-sidebar {
    width: calc(100% - 28px);
    height: 40%;
    bottom: auto;
  }

  .profile-hud {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }
}

@media (max-width: 768px) {
  .map-toolbar {
    top: 10px;
    right: 10px;
    gap: 4px;
  }

  .toolbar-actions {
    gap: 4px;
  }

  .toolbar-btn,
  .fullscreen-btn {
    padding: 5px 8px;
    font-size: 11px;
    gap: 4px;
  }

  .footprint-workspace .maplibregl-ctrl-top-right {
    top: 48px;
    right: 10px;
  }
}

/* ========================================================
 * Map Settings Modal (图源与凭据配置弹窗)
 * ======================================================== */
.map-settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.map-settings-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.map-settings-dialog {
  position: relative;
  width: 100%;
  max-width: 540px;
  max-height: 85vh;
  background: var(--hud-bg-solid);
  border: 1px solid var(--hud-border);
  border-radius: 16px;
  box-shadow: var(--hud-shadow-lg);
  display: flex;
  flex-direction: column;
  color: var(--hud-text);
  overflow: hidden;
  animation: modalPop 0.2s ease-out;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.map-settings-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--hud-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.map-settings-title {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--hud-card-title);
}

.map-settings-close-btn {
  background: transparent;
  border: none;
  color: var(--hud-subtext);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s;
}

.map-settings-close-btn:hover {
  color: var(--hud-text);
  background: var(--hud-menu-item-hover);
}

.map-settings-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 安全提示条 */
.settings-security-tip {
  font-size: 12px;
  color: var(--hud-subtext);
  line-height: 1.6;
  background: rgba(34, 197, 94, 0.06);
  padding: 12px 14px;
  border-radius: 8px;
  border-left: 3px solid rgba(34, 197, 94, 0.6);
}

.security-tip-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.security-tip-icon {
  font-size: 14px;
}

.security-tip-title {
  font-size: 12px;
  font-weight: 600;
  color: rgba(34, 197, 94, 0.9);
}

.security-tip-list {
  margin: 0;
  padding-left: 18px;
  list-style: disc;
}

.security-tip-list li {
  margin-bottom: 2px;
}

.security-tip-list li:last-child {
  margin-bottom: 0;
}

.security-tip-list code {
  color: var(--accent);
  font-family: ui-monospace, monospace;
}

.security-tip-list strong {
  color: rgba(255, 255, 255, 0.88);
}

.settings-card {
  background: var(--hud-card-bg);
  border: 1px solid var(--hud-card-border);
  border-radius: 10px;
  padding: 14px;
}

.settings-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.provider-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.provider-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: #f59e0b;
  color: #000;
}

.provider-badge.free-badge {
  background: #10b981;
  color: #fff;
}

.provider-badge.custom-badge {
  background: #6366f1;
  color: #fff;
}

.provider-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--hud-card-title);
}

.settings-link {
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
}

.settings-link:hover {
  text-decoration: underline;
}

.provider-desc {
  font-size: 11px;
  color: var(--hud-subtext);
  margin: 0 0 10px 0;
  line-height: 1.5;
}

.provider-desc code {
  color: var(--hud-text);
  background: var(--hud-menu-item-hover);
  padding: 1px 4px;
  border-radius: 4px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  color: var(--hud-subtext);
}

.input-with-action {
  display: flex;
  gap: 6px;
}

.form-input {
  flex: 1;
  background: var(--hud-input-bg);
  border: 1px solid var(--hud-input-border);
  color: var(--hud-input-text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--hud-btn-bg);
  border: 1px solid var(--hud-btn-border);
  color: var(--hud-btn-text);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--hud-btn-hover);
}

.status-tip {
  font-size: 11px;
  color: var(--hud-subtext);
  margin-top: 4px;
}

.status-tip.success {
  color: #059669;
}

@media (prefers-color-scheme: dark) {
  .status-tip.success {
    color: #34d399;
  }
}

.status-tip.warning {
  color: #d97706;
}

@media (prefers-color-scheme: dark) {
  .status-tip.warning {
    color: #fbbf24;
  }
}

.free-provider-list {
  margin: 0;
  padding-left: 18px;
  font-size: 11px;
  color: var(--hud-subtext);
  line-height: 1.8;
}

.free-provider-list b {
  color: var(--hud-card-title);
}

.custom-source-inputs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.custom-sources-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.custom-source-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--hud-card-bg);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 11px;
  border: 1px solid var(--hud-card-border);
}

.map-settings-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--hud-divider);
  display: flex;
  justify-content: flex-end;
}