/* ============================================================
   足迹页面样式
   路径: css/zuji.css
   ============================================================ */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', sans-serif;
  color: #333;
  line-height: 1.6;
  height: 100vh;
  overflow: hidden;
  background: #0b0f14;   
}

/* ============================================================
   顶部菜单：透明毛玻璃悬浮
   ============================================================ */
body > header,
body > .site-header,
body > #masthead {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  max-width: 100vw !important;
  z-index: 999 !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;

  background: rgba(10, 14, 20, 0.72) !important;   /* 加深，消除闪灰 */
  -webkit-backdrop-filter: blur(12px) saturate(140%) !important;
  backdrop-filter: blur(12px) saturate(140%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

body > header .container,
body > .site-header .container,
body > #masthead .container {
  background: transparent !important;
}

body > header a,
body > .site-header a,
body > #masthead a,
body > header .site-title,
body > .site-header .site-title,
body > #masthead .site-title,
body > header .site-description,
body > .site-header .site-description,
body > #masthead .site-description,
body > header nav a,
body > .site-header nav a,
body > #masthead nav a {
  color: #ffffff !important;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

body > header svg,
body > .site-header svg,
body > #masthead svg {
  stroke: #ffffff !important;
}

body > header nav a:hover,
body > .site-header nav a:hover,
body > #masthead nav a:hover,
body > header .current-menu-item > a,
body > .site-header .current-menu-item > a,
body > #masthead .current-menu-item > a {
  color: #8fc0d4 !important;
}

/* ========== 全屏地图 ========== */
#zuji-map {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#zuji-map,
.zuji-map,
.leaflet-container {
  background: #0b0f14 !important;
}

/* ========== 高德瓦片反色为夜间模式（国内源） ========== */
.zuji-dark-tiles {
  filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(1.15) saturate(0.5) !important;
  -webkit-filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(1.15) saturate(0.5) !important;
}

.leaflet-tile-pane {
  opacity: 0.96;
}

/* ========== 地图图例 - 右下角 ========== */
.zuji-legend {
  position: fixed;
  bottom: 30px;
  right: 20px;
  z-index: 1000;
  background: rgba(20, 24, 30, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(52, 152, 219, 0.35);
  color: #e6edf3;
  font-size: 13px;
  max-width: 190px;
  transition: all 0.3s;
}

.zuji-legend h3 {
  margin-bottom: 10px;
  font-size: 15px;
  color: #5dade2;
  border-bottom: 2px solid rgba(52, 152, 219, 0.5);
  padding-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.zuji-legend-item {
  display: flex;
  align-items: center;
  margin: 7px 0;
  color: #d0d7de;
}

.zuji-legend-icon {
  width: 22px;
  height: 22px;
  margin-right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.zuji-legend-count {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  color: #8b949e;
}

/* ========== 红色箭头标记 ========== */
.zuji-red-arrow svg {
  animation: zujiArrowFloat 2s ease-in-out infinite;
}

@keyframes zujiArrowFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

/* ========== 图集 Overlay ========== */
#zuji-gallery-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 5000;
  padding: 20px;
}

#zuji-gallery {
  background: white;
  border-radius: 20px;
  padding: 30px;
  max-width: min(1400px, 96vw);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  position: relative;
  width: 100%;
}

#zuji-gallery h2 {
  color: #2c3e50;
  text-align: center;
  margin-bottom: 10px;
  font-size: 28px;
  border-bottom: 3px solid #3498db;
  padding-bottom: 15px;
}

#zuji-gallery-desc {
  color: #7f8c8d;
  text-align: center;
  margin-bottom: 25px;
  font-size: 16px;
}

/* ========== 照片网格 ========== */
.zuji-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.zuji-photo-item {
  background: #f8f9fa;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
  border: 1px solid #eee;
  position: relative;
}

.zuji-photo-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(52, 152, 219, 0.2);
}

.zuji-photo-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  cursor: pointer;
  display: block;
}

.zuji-photo-info {
  padding: 15px;
  text-align: center;
}

.zuji-photo-info .zuji-date {
  color: #3498db;
  font-weight: 600;
  font-size: 14px;
}

.zuji-photo-info .zuji-caption {
  color: #5a6c7d;
  font-size: 13px;
  margin-top: 5px;
}

.zuji-close-btn {
  width: 100%;
  margin-top: 25px;
  padding: 15px 0;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s;
}

.zuji-close-btn:hover {
  background: linear-gradient(135deg, #2980b9, #1c6ea4);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* ========== 瀑布流相册 ========== */
#zuji-waterfall-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  z-index: 4000;
  overflow-y: auto;
  padding: 80px 20px 20px;
}

.zuji-waterfall-container {
  max-width: 1600px;
  margin: 0 auto;
}

.zuji-waterfall-header {
  color: white;
  text-align: center;
  margin-bottom: 30px;
}

.zuji-waterfall-header h2 {
  font-size: 32px;
  margin-bottom: 10px;
}

.zuji-waterfall-header p {
  color: #ccc;
  font-size: 16px;
}

.zuji-close-waterfall {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  z-index: 4001;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ========== 瀑布流布局 ========== */
.zuji-waterfall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.zuji-waterfall-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #222;
  transition: all 0.4s;
  height: 320px;
}

.zuji-waterfall-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.zuji-waterfall-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

.zuji-waterfall-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 20px 15px 15px;
  transform: translateY(100%);
  transition: transform 0.3s;
}

.zuji-waterfall-item:hover .zuji-waterfall-info {
  transform: translateY(0);
}

.zuji-waterfall-info .zuji-city {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 5px;
}

.zuji-waterfall-info .zuji-caption {
  font-size: 14px;
  color: #ddd;
  margin-bottom: 5px;
}

.zuji-waterfall-info .zuji-date {
  font-size: 12px;
  color: #aaa;
}

/* ========== 加载指示器 ========== */
.zuji-loading-indicator {
  text-align: center;
  padding: 30px;
  color: #ddd;
  font-size: 14px;
  display: none;
}

.zuji-loading-indicator .zuji-loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  border: 2px solid rgba(52, 152, 219, 0.3);
  border-radius: 50%;
  border-top-color: #3498db;
  animation: zujiSpin 1s linear infinite;
  vertical-align: middle;
}

@keyframes zujiSpin {
  to { transform: rotate(360deg); }
}

/* ========== 分页按钮 ========== */
.zuji-pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin-top: 25px;
}

.zuji-pagination-btn {
  background: #3498db;
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 3px 10px rgba(52, 152, 219, 0.3);
}

.zuji-pagination-btn:hover:not(:disabled) {
  background: #2980b9;
  transform: translateY(-2px) scale(1.1);
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.zuji-pagination-btn:disabled {
  background: #bdc3c7;
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

.zuji-page-info {
  color: #5a6c7d;
  font-size: 14px;
  font-weight: 500;
}

/* ========== Lightbox ========== */
#zuji-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 6000;
}

#zuji-lightbox-overlay img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.zuji-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 36px;
  font-weight: 700;
  padding: 15px 20px;
  cursor: pointer;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 12px;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  user-select: none;
}

.zuji-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

#zuji-lightbox-prev { left: 40px; }
#zuji-lightbox-next { right: 40px; }

/* ========== 弹出窗口深色适配 ========== */
.leaflet-popup-content-wrapper {
  background: #161b22;
  border-radius: 12px;
  color: #e6edf3;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(52, 152, 219, 0.3);
}

.leaflet-popup-tip {
  background: #161b22;
  border: 1px solid rgba(52, 152, 219, 0.3);
}

.leaflet-popup-content {
  font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
  font-size: 14px;
  margin: 12px 16px;
  color: #e6edf3;
}

.leaflet-popup-content strong {
  color: #5dade2 !important;
}

.leaflet-popup-close-button {
  color: #8b949e !important;
}

.leaflet-popup-close-button:hover {
  color: #5dade2 !important;
}

.leaflet-control-zoom {
  display: none !important;
}

.leaflet-control-attribution {
  font-size: 11px;
  background: rgba(20, 24, 30, 0.85) !important;
  color: #8b949e !important;
  padding: 2px 8px;
  border-radius: 4px;
}

.leaflet-control-attribution a {
  color: #5dade2 !important;
}

/* ============================================================
   响应式设计
   ============================================================ */

@media (max-width: 1200px) {
  .zuji-photos {
    grid-template-columns: repeat(3, 1fr);
  }
  .zuji-waterfall-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  .zuji-waterfall-item {
    height: 300px;
  }
}

@media (max-width: 1024px) {
  .zuji-legend {
    bottom: 20px;
    right: 12px;
    max-width: 170px;
    padding: 12px;
    font-size: 12px;
  }
  .zuji-legend h3 {
    font-size: 14px;
  }
  .zuji-lightbox-nav {
    font-size: 32px;
    padding: 12px 16px;
  }
  #zuji-lightbox-prev { left: 20px; }
  #zuji-lightbox-next { right: 20px; }
}

/* ============================================================
   手机端：菜单相对定位 + 地图全屏 + 图例折叠
   ============================================================ */
@media (max-width: 768px) {
  body > header,
  body > .site-header,
  body > #masthead {
    position: relative !important;
    background: rgba(10, 14, 20, 0.88) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .zuji-legend {
    top: auto;
    bottom: 20px;
    right: 12px;
    left: auto;
    max-width: 200px;
    padding: 0;
    border-radius: 10px;
    overflow: hidden;
  }

  .zuji-legend h3 {
    margin: 0;
    padding: 10px 14px;
    font-size: 13px;
    border-bottom: none;
    cursor: pointer;
    user-select: none;
    background: rgba(52, 152, 219, 0.18);
    border-radius: 10px;
    justify-content: space-between;
  }

  .zuji-legend h3::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 11px;
    transition: transform 0.3s;
    color: #5dade2;
  }

  .zuji-legend.is-open h3::after {
    transform: rotate(180deg);
  }

  .zuji-legend-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 14px;
  }

  .zuji-legend.is-open .zuji-legend-content {
    max-height: 240px;
    padding: 10px 14px 14px;
  }

  .zuji-legend.is-open h3 {
    border-radius: 10px 10px 0 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .zuji-legend-item {
    margin: 6px 0;
    font-size: 12px;
  }

  .zuji-legend-count {
    font-size: 11px;
    margin-top: 8px;
    padding-top: 8px;
  }

  .zuji-photos {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .zuji-photo-item img {
    height: 140px;
  }

  .zuji-lightbox-nav {
    font-size: 28px;
    padding: 10px 14px;
  }
  #zuji-lightbox-prev { left: 15px; }
  #zuji-lightbox-next { right: 15px; }

  .zuji-waterfall-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
  }
  .zuji-waterfall-item {
    height: 280px;
  }
  #zuji-waterfall-overlay {
    padding: 70px 10px 10px;
  }

  #zuji-gallery {
    padding: 20px 15px;
    border-radius: 14px;
  }
  #zuji-gallery h2 {
    font-size: 22px;
  }
  #zuji-gallery-desc {
    font-size: 14px;
    margin-bottom: 18px;
  }

  .zuji-close-waterfall {
    width: 42px;
    height: 42px;
    font-size: 20px;
    top: 12px;
    right: 12px;
  }

  .zuji-waterfall-header h2 {
    font-size: 24px;
  }
  .zuji-waterfall-header p {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .zuji-legend {
    bottom: 12px;
    right: 8px;
    max-width: 180px;
  }

  .zuji-photos {
    grid-template-columns: 1fr;
  }
  .zuji-photo-item img {
    height: 200px;
  }

  .zuji-lightbox-nav {
    font-size: 24px;
    padding: 8px 12px;
  }

  .zuji-waterfall-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  .zuji-waterfall-item {
    height: 250px;
  }

  .zuji-waterfall-header h2 {
    font-size: 20px;
  }
  .zuji-waterfall-header p {
    font-size: 13px;
  }

  .zuji-page-info {
    font-size: 13px;
  }
  .zuji-pagination-btn {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
}