:root {
  --bg: #fafafa;
  --surface: rgba(255,255,255,0.78);
  --surface-strong: rgba(255,255,255,0.92);
  --surface-solid: #ffffff;
  --border: rgba(15,23,42,0.08);
  --border-strong: rgba(15,23,42,0.14);
  --text: #0f172a;
  --text-muted: #475569;
  --text-subtle: #94a3b8;

  --blue: #1a73e8;
  --blue-hover: #1558b0;
  --blue-soft: #e8f0fe;
  --blue-glow: rgba(26,115,232,0.18);
  --purple: #9c27b0;
  --purple-hover: #7b1fa2;
  --purple-soft: #f3e5f5;
  --purple-glow: rgba(156,39,176,0.18);
  --orange: #e64a19;
  --orange-hover: #bf360c;
  --orange-soft: #fbe9e7;
  --orange-glow: rgba(230,74,25,0.18);
  --danger: #c5221f;
  --danger-soft: #fff5f5;
  --success: #1e8e3e;

  --shadow-sm: 0 1px 2px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08), 0 2px 4px rgba(15,23,42,0.05);
  --shadow-lg: 0 12px 32px rgba(15,23,42,0.12), 0 4px 12px rgba(15,23,42,0.06);
  --shadow-xl: 0 24px 48px rgba(15,23,42,0.18), 0 8px 16px rgba(15,23,42,0.08);

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-pill: 999px;

  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px; --s-6: 24px;

  --glass-blur: saturate(180%) blur(20px);
  --glass-blur-strong: saturate(200%) blur(28px);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI Variable', 'Segoe UI', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#map { width: 100%; height: 100vh; }

/* 上传按钮 */
#upload-toggle,
#journey-toggle,
#travel-toggle {
  position: fixed;
  right: 18px;
  z-index: 1000;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease);
}
#upload-toggle:hover,
#journey-toggle:hover,
#travel-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
#upload-toggle:active,
#journey-toggle:active,
#travel-toggle:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

#upload-toggle  { top: 18px;  color: var(--blue);   font-size: 26px; font-weight: 300; }
#journey-toggle { top: 76px;  color: var(--purple); font-size: 22px; }
#travel-toggle  { top: 134px; color: var(--orange); font-size: 22px; }

#upload-toggle:hover  { background: var(--blue);   color: #fff; }
#journey-toggle:hover { background: var(--purple); color: #fff; }
#travel-toggle:hover  { background: var(--orange); color: #fff; }

/* 上传面板 */
#upload-panel {
  position: fixed;
  top: 12px;
  right: 12px;
  width: 340px;
  height: calc(100vh - 24px);
  background: var(--surface-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--border);
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  border-radius: var(--r-xl);
  transform: translateX(calc(100% + 24px));
  transition: transform 0.32s var(--ease);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#upload-panel.open { transform: translateX(0); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text);
  flex-shrink: 0;
}
#panel-close,
#journey-panel-close,
#travel-panel-close {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
#panel-close:hover,
#journey-panel-close:hover,
#travel-panel-close:hover { background: rgba(15,23,42,0.06); color: var(--text); }

#upload-form {
  padding: 4px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: inherit;
  overflow-y: auto;
  flex: 1;
}

#upload-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 500;
}

#upload-form input[type="file"],
#upload-form input[type="text"],
#upload-form input[type="number"],
#upload-form select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  font-family: inherit;
  background: var(--surface-solid);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
#upload-form input[type="file"]:focus,
#upload-form input[type="text"]:focus,
#upload-form input[type="number"]:focus,
#upload-form select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
#upload-form input[type="file"] { padding: 8px; cursor: pointer; }
#upload-form input[type="file"]::file-selector-button {
  padding: 6px 12px;
  border: none;
  border-radius: var(--r-sm);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 500;
  margin-right: 10px;
  cursor: pointer;
  font-family: inherit;
}

#preview-wrap { text-align: center; }
#preview-img {
  max-width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}

details { font-size: 13px; color: var(--text-muted); }
details summary {
  cursor: pointer;
  padding: 6px 0;
  font-weight: 500;
  user-select: none;
}
details summary:hover { color: var(--text); }
details > label { margin-top: 10px; }

#submit-btn {
  padding: 11px 16px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(26,115,232,0.25), 0 4px 12px rgba(26,115,232,0.2);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
#submit-btn:disabled {
  background: var(--text-subtle);
  cursor: not-allowed;
  box-shadow: none;
}
#submit-btn:hover:not(:disabled) {
  background: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(26,115,232,0.3), 0 8px 20px rgba(26,115,232,0.25);
}
#submit-btn:active:not(:disabled) { transform: translateY(0); }

#upload-msg { font-size: 13px; min-height: 18px; }
#upload-msg.success { color: var(--success); }
#upload-msg.error   { color: var(--danger); }

#gps-status { font-size: 12px; min-height: 16px; color: var(--text-subtle); }
#gps-status.success { color: var(--success); }
#gps-status.warn    { color: #e65c00; }

/* 覆盖 Leaflet popup 默认样式，让图片贴边显示 */
.photo-popup-wrap .leaflet-popup-content-wrapper {
  padding: 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}
.photo-popup-wrap .leaflet-popup-content {
  margin: 0;
  width: 272px !important;
}

/* Popup 卡片 */
.photo-popup { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

.photo-popup .popup-img {
  display: block; width: 100%; height: 170px; object-fit: cover;
}

.photo-popup .popup-body { padding: 12px 14px 10px; }

.photo-popup .popup-title-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 8px; margin-bottom: 8px;
}
.photo-popup .popup-title {
  font-size: 15px; font-weight: 600; color: #111;
  word-break: break-all; line-height: 1.4; flex: 1;
}

.photo-popup .popup-edit-row {
  display: none; flex-direction: column; gap: 6px; margin-bottom: 8px;
}
.photo-popup .popup-edit-input {
  width: 100%; padding: 6px 8px; font-size: 13px;
  border: 1.5px solid #1a73e8; border-radius: 6px; outline: none;
  font-family: inherit;
}
.photo-popup .popup-edit-actions { display: flex; gap: 6px; }
.photo-popup .popup-edit-save {
  flex: 1; padding: 6px 0; font-size: 13px; cursor: pointer;
  background: #1a73e8; color: #fff; border: none; border-radius: 6px;
}
.photo-popup .popup-edit-save:hover { background: #1558b0; }
.photo-popup .popup-edit-cancel {
  flex: 1; padding: 6px 0; font-size: 13px; cursor: pointer;
  background: none; color: #666; border: 1px solid #ddd; border-radius: 6px;
}
.photo-popup .popup-edit-cancel:hover { background: #f5f5f5; }

.photo-popup .popup-tag-badge {
  flex-shrink: 0; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; color: #fff; cursor: pointer;
  white-space: nowrap; line-height: 1.8;
}
.photo-popup .popup-tag-badge:hover { opacity: 0.85; }
.photo-popup .popup-tag-edit {
  display: none; margin-bottom: 8px;
}
.photo-popup .popup-tag-select {
  width: 100%; padding: 6px 8px; font-size: 13px;
  border: 1.5px solid #1a73e8; border-radius: 6px; outline: none;
  font-family: inherit; margin-bottom: 6px;
}

.photo-popup .popup-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.photo-popup .popup-date  { font-size: 12px; color: #999; }
.photo-popup .popup-link  { font-size: 12px; color: #1a73e8; text-decoration: none; }
.photo-popup .popup-link:hover { text-decoration: underline; }
.photo-popup .popup-coords { font-size: 11px; color: #ccc; }

.photo-popup .popup-notes-view {
  font-size: 13px; color: #555; line-height: 1.5;
  word-break: break-all; overflow-wrap: break-word;
  max-height: 80px; overflow-y: auto;
  padding: 5px 7px; margin-bottom: 6px;
  border: 1px dashed transparent; border-radius: 6px; cursor: pointer;
}
.photo-popup .popup-notes-view:hover { border-color: #ddd; background: #fafafa; }
.photo-popup .popup-notes-placeholder { color: #bbb; font-style: italic; }
.photo-popup .popup-notes-edit { display: none; margin-bottom: 6px; }
.photo-popup .popup-notes-input {
  width: 100%; min-height: 64px; padding: 6px 8px; font-size: 13px;
  border: 1.5px solid #1a73e8; border-radius: 6px; outline: none;
  font-family: inherit; resize: vertical; margin-bottom: 6px;
}

.photo-popup .popup-divider { height: 1px; background: #f0f0f0; }

.photo-popup .popup-actions { display: flex; }
.photo-popup .popup-edit-btn {
  flex: 1; padding: 10px 0; background: none; color: #1a73e8;
  border: none; border-right: 1px solid #f0f0f0;
  font-size: 13px; cursor: pointer; font-family: inherit;
}
.photo-popup .popup-edit-btn:hover { background: #f0f6ff; }
.photo-popup .popup-delete {
  flex: 1; padding: 10px 0; background: none; color: #c5221f;
  border: none; font-size: 13px; cursor: pointer; font-family: inherit;
}
.photo-popup .popup-delete:hover { background: #fff5f5; }

/* 展示所有照片按钮 */
#show-all-btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 12.5px;
  cursor: pointer;
  background: var(--surface-solid);
  color: var(--text-muted);
  font-weight: 600;
  font-family: inherit;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
  width: 100%;
  white-space: nowrap;
}
#show-all-btn:hover { background: var(--blue-soft); color: var(--blue); border-color: transparent; }

.people-global-btn {
  width: 100%;
  padding: 10px 0;
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s var(--ease);
  text-align: center;
}
.people-global-btn:hover {
  background: #e3f2fd;
  color: #1a73e8;
  border-color: #1a73e8;
}

/* 面包屑导航 */
#breadcrumb {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 8px 16px;
  background: var(--surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-family: inherit;
  white-space: nowrap;
}
#breadcrumb[style*="display:none"],
#breadcrumb[style*="display: none"] { display: none !important; }
.crumb-segment {
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
  user-select: none;
}
.crumb-inactive { color: var(--text-muted); }
.crumb-inactive:hover { background: rgba(15,23,42,0.06); color: var(--text); }
.crumb-active { color: var(--crumb-color, var(--blue)); font-weight: 600; }
.crumb-active:hover { background: transparent; cursor: default; }
.crumb-arrow { color: var(--text-subtle); font-size: 16px; margin: 0 2px; pointer-events: none; }

/* 标签过滤器 — 左侧竖直玻璃栏 */
#tag-filter {
  position: fixed;
  top: 50%;
  left: 18px;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  background: var(--surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  min-width: 132px;
}
#view-mode-btns {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(15,23,42,0.04);
  border-radius: var(--r-md);
  padding: 3px;
}
.view-mode-btn {
  padding: 7px 12px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
  white-space: nowrap;
  text-align: left;
}
.view-mode-btn:hover { color: var(--text); }
.view-mode-btn.active {
  background: var(--surface-solid);
  color: var(--blue);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.view-mode-btn[data-mode="journey"].active { color: var(--purple); }
.view-mode-btn[data-mode="travel"].active  { color: var(--orange); }
.view-mode-btn[data-mode="city"].active    { color: #1565c0; }
#tag-btns,
#photo-tag-btns,
#journey-tag-btns {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#tag-btns[hidden],
#photo-tag-btns[hidden],
#journey-tag-btns[hidden] { display: none; }
.tag-btn {
  --tag-color: #94a3b8;
  position: relative;
  padding: 7px 12px 7px 28px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 13px;
  cursor: pointer;
  background: var(--surface-solid);
  color: var(--text-muted);
  font-family: inherit;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
  text-align: left;
  font-weight: 500;
}
.tag-btn::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--tag-color);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.6);
}
.tag-btn:hover { border-color: var(--border-strong); color: var(--text); }
/* Photo tag colors */
.tag-btn[data-tag="风景"]         { --tag-color: #4caf50; }
.tag-btn[data-tag="古迹"]         { --tag-color: #795548; }
.tag-btn[data-tag="人物"]         { --tag-color: #1a73e8; }
.tag-btn[data-tag="街拍"]         { --tag-color: #ff9800; }
.tag-btn[data-tag="美食"]         { --tag-color: #e91e63; }
.tag-btn[data-tag="奇怪的关注点"] { --tag-color: #9c27b0; }
/* Journey tag colors */
.tag-btn[data-tag="踏遍青山"]     { --tag-color: #2e7d32; }
.tag-btn[data-tag="寻访古迹"]     { --tag-color: #8d6e63; }
.tag-btn[data-tag="citywalk"]     { --tag-color: #ff6f00; }
.tag-btn[data-tag="神秘探险"]     { --tag-color: #d32f2f; }
.tag-btn[data-tag="参观"]         { --tag-color: #1565c0; }

.tag-btn.active {
  background: var(--tag-color);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--tag-color) 30%, transparent);
}
.tag-btn.active::before {
  background: rgba(255,255,255,0.95);
  box-shadow: none;
}

/* 右键确认弹窗 */
.move-ask-popup .leaflet-popup-content-wrapper {
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  padding: 0;
  overflow: hidden;
}
.move-ask-popup .leaflet-popup-content { margin: 0; }
.move-ask {
  padding: 16px 18px 14px;
  min-width: 180px;
}
.move-ask-title {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 4px;
}
.move-ask-desc {
  font-size: 12px;
  color: #888;
  margin-bottom: 14px;
}
.move-ask-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.move-ask-cancel {
  padding: 6px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  color: #555;
  font-size: 13px;
  cursor: pointer;
}
.move-ask-confirm {
  padding: 6px 14px;
  border: none;
  border-radius: 8px;
  background: #1a73e8;
  color: #fff;
  font-size: 13px;
  cursor: pointer;
}

/* 批量上传弹窗列表 */
#batch-modal {
  align-items: flex-start;
  padding: 32px 16px;
}
#batch-modal .modal-box {
  width: 100%;
  max-width: 480px;
  height: min(90vh, 720px);
  display: flex;
  flex-direction: column;
  padding: 22px 22px 18px;
}
.batch-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.batch-modal-header .modal-title { margin-bottom: 0; }
#batch-modal-close {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
#batch-modal-close:hover { background: rgba(15,23,42,0.06); color: var(--text); }
#batch-list {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  min-height: 0;
  flex: 1;
}
.batch-journey-section {
  padding: 10px 0;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.batch-cascade-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}
.batch-journey-section label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.batch-journey-section select,
.batch-journey-section input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: 2px;
  padding: 6px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.batch-journey-section select:focus,
.batch-journey-section input:focus { border-color: var(--blue); }
#batch-new-journey {
  padding: 8px 12px;
  margin-top: 8px;
  background: var(--surface);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}
#batch-new-journey label {
  margin-bottom: 8px;
}

#batch-summary {
  font-size: 13px;
  color: var(--text-muted);
  min-height: 18px;
  padding: 10px 0 6px;
}
.batch-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  grid-template-rows: auto auto;
  gap: 8px 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-family: inherit;
  font-size: 13px;
}
.batch-row:last-child { border-bottom: none; }
.batch-title {
  grid-column: 1; grid-row: 1;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 7px 10px;
  min-width: 0; width: 100%; box-sizing: border-box;
  background: var(--surface-solid);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.batch-title:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-glow); }
.batch-gps-row {
  grid-column: 1 / -1; grid-row: 2;
  display: flex; flex-direction: column; gap: 5px;
}
.batch-tag {
  grid-column: 2; grid-row: 1;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 8px;
  align-self: center;
  background: var(--surface-solid);
  font-family: inherit;
  outline: none;
}
.batch-tag:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-glow); }
.batch-status {
  grid-column: 3; grid-row: 1;
  font-size: 12px; min-width: 40px; text-align: right; align-self: center;
  color: var(--text-subtle);
}
.batch-gps { font-size: 12px; color: var(--text-subtle); }
.batch-gps.ok { color: var(--success); }
.batch-gps.warn { color: #e65c00; }
.batch-coords { display: flex; gap: 6px; }
.batch-coords input {
  width: 100px;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 5px 7px;
  font-family: inherit;
  background: var(--surface-solid);
  outline: none;
}
.batch-coords input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-glow); }
.batch-status.ok { color: var(--success); }
.batch-status.err { color: var(--danger); }
.batch-status.skip { color: var(--text-subtle); }
#batch-upload-btn {
  padding: 12px 16px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 14px;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
  font-weight: 600;
  flex-shrink: 0;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(26,115,232,0.25), 0 4px 12px rgba(26,115,232,0.2);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
#batch-upload-btn:disabled {
  background: var(--text-subtle);
  cursor: not-allowed;
  box-shadow: none;
}
#batch-upload-btn:hover:not(:disabled) {
  background: var(--blue-hover);
  transform: translateY(-1px);
}

/* 模态框 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.45);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  backdrop-filter: blur(8px) saturate(140%);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modal-fade 0.2s var(--ease);
}
@keyframes modal-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: var(--surface-solid);
  border-radius: var(--r-xl);
  padding: 24px;
  min-width: 280px;
  box-shadow: var(--shadow-xl);
  font-family: inherit;
  border: 1px solid var(--border);
  animation: modal-pop 0.24s var(--ease);
}
@keyframes modal-pop {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.modal-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  font-family: inherit;
  background: var(--surface-solid);
  color: var(--text);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.modal-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.modal-err {
  font-size: 12px;
  color: var(--danger);
  min-height: 18px;
  margin-top: 6px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}
.modal-cancel {
  padding: 8px 18px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface-solid);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.modal-cancel:hover { background: rgba(15,23,42,0.04); border-color: var(--border-strong); }
.modal-confirm {
  padding: 8px 18px;
  height: 36px;
  border: none;
  border-radius: var(--r-md);
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(26,115,232,0.25), 0 4px 10px rgba(26,115,232,0.18);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.modal-confirm:hover {
  background: var(--blue-hover);
  transform: translateY(-1px);
}

.move-confirm-popup .leaflet-popup-content-wrapper {
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  padding: 0;
  overflow: hidden;
}
.move-confirm-popup .leaflet-popup-content { margin: 0; }
.move-confirm {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: #333;
  white-space: nowrap;
}
.move-save {
  padding: 5px 14px;
  border: none;
  border-radius: 8px;
  background: #1a73e8;
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
}
.move-undo {
  padding: 5px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  color: #555;
  font-size: 13px;
  cursor: pointer;
}

/* 旅程/旅行管理面板 */
#journey-panel, #travel-panel {
  position: fixed;
  top: 12px;
  right: 12px;
  width: 340px;
  height: calc(100vh - 24px);
  background: var(--surface-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--border);
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  border-radius: var(--r-xl);
  transform: translateX(calc(100% + 24px));
  transition: transform 0.32s var(--ease);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#journey-panel.open, #travel-panel.open { transform: translateX(0); }
#journey-panel-body, #travel-panel-body {
  padding: 4px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: inherit;
  overflow-y: auto;
  flex: 1;
}
/* 行程/旅行列表卡片 */
#journey-list,
#travel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 行程按旅行折叠 */
.journey-travel-group {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.journey-travel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--surface);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s var(--ease);
}
.journey-travel-header:hover { background: var(--blue-soft, rgba(26,115,232,0.04)); }
.journey-travel-arrow {
  font-size: 10px;
  color: var(--text-subtle);
  transition: transform 0.2s var(--ease);
  width: 14px;
  text-align: center;
}
.journey-travel-name {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.journey-travel-count {
  font-size: 11px;
  color: var(--text-muted);
}
.journey-travel-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 10px 10px;
  background: var(--surface-soft, #fafbfc);
}
.journey-travel-group.collapsed .journey-travel-body { display: none; }
.journey-travel-group.collapsed .journey-travel-arrow { transform: rotate(-90deg); }

.journey-card {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
  cursor: default;
}
.journey-card:hover {
  border-color: var(--blue);
  box-shadow: 0 2px 12px rgba(26,115,232,0.08);
}
.journey-card-cover {
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  object-fit: cover;
  flex-shrink: 0;
  background: #f1f5f9;
}
.journey-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.journey-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
}
.journey-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.journey-card-tag {
  flex-shrink: 0;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 10px;
  color: #fff;
  white-space: nowrap;
  line-height: 18px;
}
.travel-card-tag {
  background: #e64a19;
}
.journey-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.journey-card-meta-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-subtle);
}
.journey-card-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
}
.journey-card-actions button {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  background: var(--surface-solid, #fff);
  font-size: 11px;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s var(--ease);
}
.journey-card-actions button:hover {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: var(--blue);
}
.journey-card-actions button.journey-btn-danger:hover {
  background: #fce4ec;
  color: #d32f2f;
  border-color: #d32f2f;
}

.trip-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: 4px;
}
#journey-create-form, #travel-create-form { display: flex; flex-direction: column; gap: 12px; }
#journey-create-form label, #travel-create-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 500;
}
#journey-create-form input,
#journey-create-form textarea,
#journey-create-form select,
#travel-create-form input,
#travel-create-form textarea,
#travel-create-form select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  font-family: inherit;
  background: var(--surface-solid);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
#journey-create-form textarea, #travel-create-form textarea { resize: vertical; min-height: 60px; }
#journey-create-form input:focus,
#journey-create-form textarea:focus,
#journey-create-form select:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px var(--purple-glow);
}
#travel-create-form input:focus,
#travel-create-form textarea:focus,
#travel-create-form select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-glow);
}
#journey-create-btn {
  padding: 11px 16px;
  background: var(--purple);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(156,39,176,0.25), 0 4px 12px rgba(156,39,176,0.2);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
#journey-create-btn:hover {
  background: var(--purple-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(156,39,176,0.3), 0 8px 20px rgba(156,39,176,0.25);
}
#travel-create-btn {
  padding: 11px 16px;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(230,74,25,0.25), 0 4px 12px rgba(230,74,25,0.2);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
#travel-create-btn:hover {
  background: var(--orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(230,74,25,0.3), 0 8px 20px rgba(230,74,25,0.25);
}
#journey-create-msg, #travel-create-msg { font-size: 12px; min-height: 16px; }
#journey-create-msg.success, #travel-create-msg.success { color: var(--success); }
#journey-create-msg.error, #travel-create-msg.error { color: var(--danger); }

/* 旅行列表 */
.trip-list-item {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px 14px;
  margin-bottom: 10px;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.18s var(--ease), transform 0.18s var(--ease), border-color 0.18s var(--ease);
}
.trip-list-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.trip-list-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.trip-list-meta { font-size: 12px; color: var(--text-subtle); margin-bottom: 10px; }
.trip-list-actions { display: flex; gap: 8px; }
.trip-list-edit {
  flex: 1;
  padding: 6px 0;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.trip-list-edit:hover { background: rgba(15,23,42,0.04); border-color: var(--border-strong); }
.trip-list-delete {
  flex: 1;
  padding: 6px 0;
  background: var(--surface-solid);
  border: 1px solid rgba(197,34,31,0.25);
  border-radius: var(--r-sm);
  font-size: 12px;
  color: var(--danger);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s var(--ease);
}
.trip-list-delete:hover { background: var(--danger-soft); }

/* 旅行 popup */
.trip-popup { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.trip-popup .popup-img { display: block; width: 100%; height: 150px; object-fit: cover; }
.trip-popup .popup-body { padding: 12px 14px 10px; }
.trip-popup-name { font-size: 16px; font-weight: 700; color: #111; margin-bottom: 2px; }
.trip-popup-city { font-size: 12px; color: #9c27b0; font-weight: 600; margin-bottom: 4px; }
.trip-popup-dates { font-size: 12px; color: #888; margin-bottom: 6px; }
.trip-popup-desc { font-size: 13px; color: #555; line-height: 1.5; margin-bottom: 6px; word-break: break-all; }
.trip-popup-count { font-size: 12px; color: #aaa; margin-bottom: 10px; }
.trip-view-btn {
  display: block; width: 100%; padding: 9px 0;
  background: #9c27b0; color: #fff; border: none; border-radius: 8px;
  font-size: 14px; cursor: pointer; text-align: center;
}
.trip-view-btn:hover { background: #7b1fa2; }
.trip-view-btn--collapse { background: #e8d5f0; color: #9c27b0; }
.trip-view-btn--collapse:hover { background: #d7bde8; }
.trip-popup .popup-divider { height: 1px; background: #f0f0f0; margin-top: 10px; }
.trip-popup .popup-actions { display: flex; }
.trip-popup .popup-edit-btn {
  flex: 1; padding: 10px 0; background: none; color: #9c27b0;
  border: none; border-right: 1px solid #f0f0f0;
  font-size: 13px; cursor: pointer; font-family: inherit;
}
.trip-popup .popup-edit-btn:hover { background: #f9f0fb; }
.trip-popup .popup-delete {
  flex: 1; padding: 10px 0; background: none; color: #c5221f;
  border: none; font-size: 13px; cursor: pointer; font-family: inherit;
}
.trip-popup .popup-delete:hover { background: #fff5f5; }

/* 照片 popup 中的分配旅行区域 */
.popup-trip-assign { margin-bottom: 6px; }
.popup-trip-select {
  width: 100%; padding: 6px 8px; font-size: 13px;
  border: 1.5px solid #9c27b0; border-radius: 6px; outline: none;
  font-family: inherit; margin-bottom: 6px;
}

/* 照片选择模式悬浮工具条 */
#photo-select-bar {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  background: var(--surface-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 280px;
  font-family: inherit;
}
#photo-select-bar[hidden] { display: none; }
#photo-select-bar-title { font-size: 14px; font-weight: 600; color: var(--text); }
#photo-select-hint { font-size: 12px; color: var(--text-subtle); }
#photo-select-actions { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }
#photo-select-count { font-weight: 700; color: var(--purple); }
#photo-select-cancel {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface-solid);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
#photo-select-cancel:hover { background: rgba(15,23,42,0.04); border-color: var(--border-strong); }
#photo-select-done {
  padding: 7px 16px;
  border: none;
  border-radius: var(--r-md);
  background: var(--purple);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(156,39,176,0.25), 0 4px 10px rgba(156,39,176,0.18);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease);
}
#photo-select-done:hover { background: var(--purple-hover); transform: translateY(-1px); }

/* 旅行编辑中的照片批量选择器（已移除，改为地图交互模式） */
.trip-gallery-box {
  width: min(92vw, 720px);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 22px 22px 18px;
}
.trip-gallery-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.trip-gallery-close {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.trip-gallery-close:hover { background: rgba(15,23,42,0.06); color: var(--text); }
#trip-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  overflow-y: auto;
  flex: 1;
}
#trip-gallery-grid a img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--r-md); display: block;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
  box-shadow: var(--shadow-sm);
}
#trip-gallery-grid a img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

/* 编辑弹窗内的表单（journey-edit / travel-edit） */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: inherit;
  font-size: 13px;
  color: var(--text-muted);
}
.modal-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-weight: 500;
}
.modal-form .modal-row {
  display: flex;
  gap: 10px;
}
.modal-form .modal-row label { flex: 1; }
.modal-form textarea.modal-input { resize: vertical; min-height: 60px; }
.modal-confirm--purple {
  background: var(--purple);
  box-shadow: 0 1px 2px rgba(156,39,176,0.25), 0 4px 10px rgba(156,39,176,0.18);
}
.modal-confirm--purple:hover { background: var(--purple-hover); }
.modal-confirm--orange {
  background: var(--orange);
  box-shadow: 0 1px 2px rgba(230,74,25,0.25), 0 4px 10px rgba(230,74,25,0.18);
}
.modal-confirm--orange:hover { background: var(--orange-hover); }
.modal-box--sm { width: 320px; }

/* 旅行 popup（橙红色） */
.travel-popup { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.travel-popup .popup-img { display: block; width: 100%; height: 150px; object-fit: cover; }
.travel-popup .popup-body { padding: 12px 14px 10px; }
.travel-popup-name { font-size: 16px; font-weight: 700; color: #111; margin-bottom: 2px; }
.travel-popup-city { font-size: 12px; color: #e64a19; font-weight: 600; margin-bottom: 4px; }
.travel-popup-dates { font-size: 12px; color: #888; margin-bottom: 6px; }
.travel-popup-desc { font-size: 13px; color: #555; line-height: 1.5; margin-bottom: 6px; word-break: break-all; }
.travel-popup-count { font-size: 12px; color: #aaa; margin-bottom: 10px; }
.travel-view-btn {
  display: block; width: 100%; padding: 9px 0;
  background: #e64a19; color: #fff; border: none; border-radius: 8px;
  font-size: 14px; cursor: pointer; text-align: center;
}
.travel-view-btn:hover { background: #bf360c; }
.travel-view-btn--collapse { background: #fbe9e7; color: #e64a19; }
.travel-view-btn--collapse:hover { background: #ffccbc; }
.travel-popup .popup-divider { height: 1px; background: #f0f0f0; margin-top: 10px; }
.travel-popup .popup-actions { display: flex; }
.travel-popup .popup-edit-btn {
  flex: 1; padding: 10px 0; background: none; color: #e64a19;
  border: none; border-right: 1px solid #f0f0f0;
  font-size: 13px; cursor: pointer; font-family: inherit;
}
.travel-popup .popup-edit-btn:hover { background: #fbe9e7; }
.travel-popup .popup-delete {
  flex: 1; padding: 10px 0; background: none; color: #c5221f;
  border: none; font-size: 13px; cursor: pointer; font-family: inherit;
}
.travel-popup .popup-delete:hover { background: #fff5f5; }

/* 城市 popup（深蓝色） */
.city-popup { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; padding: 14px; min-width: 200px; }
.city-popup-name { font-size: 18px; font-weight: 700; color: #1565c0; margin-bottom: 4px; }
.city-popup-summary { font-size: 12px; color: #888; margin-bottom: 10px; }
.city-popup-travels { font-size: 13px; color: #444; max-height: 140px; overflow-y: auto; margin-bottom: 10px; }
.city-popup-travel-item {
  padding: 6px 8px; border-radius: 6px; cursor: pointer;
  border: 1px solid #f0f0f0; margin-bottom: 4px;
}
.city-popup-travel-item:hover { background: #e3f2fd; border-color: #90caf9; }
.city-popup-travel-name { font-weight: 600; color: #111; font-size: 13px; }
.city-popup-travel-meta { font-size: 11px; color: #999; margin-top: 2px; }
.city-view-btn {
  display: block; width: 100%; padding: 9px 0;
  background: #1565c0; color: #fff; border: none; border-radius: 8px;
  font-size: 14px; cursor: pointer; text-align: center;
}
.city-view-btn:hover { background: #0d47a1; }

/* 旅程下拉/分配（保留兼容） */
.popup-journey-assign { margin-bottom: 6px; }
.popup-journey-select {
  width: 100%; padding: 6px 8px; font-size: 13px;
  border: 1.5px solid #9c27b0; border-radius: 6px; outline: none;
  font-family: inherit; margin-bottom: 6px;
}

/* 统一 Leaflet popup 外壳样式 */
.leaflet-popup-content-wrapper {
  border-radius: var(--r-lg) !important;
  box-shadow: var(--shadow-lg) !important;
}
.leaflet-popup-tip {
  box-shadow: var(--shadow-sm) !important;
}
.photo-popup-wrap .leaflet-popup-content-wrapper,
.move-ask-popup .leaflet-popup-content-wrapper,
.move-confirm-popup .leaflet-popup-content-wrapper {
  border-radius: var(--r-lg) !important;
}

/* 响应式: 小屏幕避免左侧 filter 与右侧抽屉重叠 */
@media (max-width: 768px) {
  #tag-filter {
    top: 12px;
    left: 12px;
    transform: none;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    min-width: 0;
    max-width: calc(100vw - 90px);
  }
  #view-mode-btns { flex-direction: row; }
  .view-mode-btn { padding: 5px 10px; }
  #tag-btns, #photo-tag-btns, #journey-tag-btns { flex-direction: row; flex-wrap: wrap; }
  .tag-btn { padding: 5px 10px 5px 24px; font-size: 12px; }
  .tag-btn::before { width: 8px; height: 8px; left: 9px; }
  #show-all-btn { width: auto; padding: 6px 12px; }

  #upload-panel,
  #journey-panel,
  #travel-panel {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 85vh;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    transform: translateY(100%);
  }
  #upload-panel.open,
  #journey-panel.open,
  #travel-panel.open { transform: translateY(0); }

  #upload-toggle  { top: 12px; right: 12px; }
  #journey-toggle { top: 70px; right: 12px; }
  #travel-toggle  { top: 128px; right: 12px; }

  #side-panel { width: 280px; }
}

/* ── 右侧列表面板 ─────────────────────────────── */
#side-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  z-index: 998;
  background: var(--surface-strong, rgba(255,255,255,0.95));
  -webkit-backdrop-filter: var(--glass-blur-strong, saturate(180%) blur(20px));
  backdrop-filter: var(--glass-blur-strong, saturate(180%) blur(20px));
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease);
  font-family: inherit;
}
#side-panel.side-panel-collapsed {
  transform: translateX(100%);
}
#panel-drag-handle {
  position: absolute;
  left: -4px;
  top: 0;
  width: 8px;
  height: 100%;
  cursor: col-resize;
  z-index: 1002;
}
#panel-drag-handle:hover { background: var(--blue-soft, rgba(26,115,232,0.1)); }
.side-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#side-panel-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
#side-panel-collapse-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 4px 10px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 12px;
  transition: all 0.15s var(--ease);
  margin-right: 8px;
}
#side-panel-collapse-btn:hover { background: var(--blue-soft); color: var(--blue); }

#side-panel-expand-btn {
  position: fixed;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  z-index: 999;
  background: var(--surface-solid, #fff);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 8px 6px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 12px;
  box-shadow: var(--shadow-md);
  transition: all 0.15s var(--ease);
}
#side-panel-expand-btn:hover { background: var(--blue-soft); color: var(--blue); }
#side-panel-expand-btn[style*="display:none"],
#side-panel-expand-btn[style*="display: none"] { display: none !important; }
#side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
}
.panel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background 0.15s var(--ease);
  border-bottom: 1px solid var(--border);
}
.panel-item:hover { background: rgba(15,23,42,0.04); }
.panel-item-tag {
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  color: #fff;
  white-space: nowrap;
}
.panel-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.panel-item-title {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panel-item-time {
  font-size: 11px;
  color: var(--text-subtle);
  white-space: nowrap;
}
.panel-item-count {
  font-size: 11px;
  color: var(--text-subtle);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Panel search */
.panel-search-bar {
  margin-bottom: 12px;
}
.panel-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s var(--ease);
  margin-bottom: 8px;
}
.panel-search-input:focus { border-color: var(--blue); }
.panel-photo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.panel-tag-btn {
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 11px;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s var(--ease);
}
.panel-tag-btn.active {
  background: var(--tag-color, var(--blue));
  color: #fff;
  border-color: transparent;
}
.panel-tag-btn[data-tag="风景"]         { --tag-color: #4caf50; }
.panel-tag-btn[data-tag="古迹"]         { --tag-color: #795548; }
.panel-tag-btn[data-tag="人物"]         { --tag-color: #1a73e8; }
.panel-tag-btn[data-tag="街拍"]         { --tag-color: #ff9800; }
.panel-tag-btn[data-tag="美食"]         { --tag-color: #e91e63; }
.panel-tag-btn[data-tag="奇怪的关注点"] { --tag-color: #9c27b0; }
.panel-tag-btn:hover { border-color: var(--border-strong); }
.panel-tag-btn.active:hover { opacity: 0.9; }

/* ── 右键上下文菜单 ────────────────────────────── */
#context-menu {
  position: fixed;
  z-index: 3000;
  background: var(--surface-solid, #fff);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 4px 0;
  min-width: 130px;
  font-family: inherit;
  animation: modal-pop 0.12s var(--ease);
}
#context-menu[hidden] { display: none; }
.ctx-item {
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text);
  transition: background 0.1s var(--ease);
  user-select: none;
}
.ctx-item:hover { background: var(--blue-soft); color: var(--blue); }
.ctx-item[data-action="delete"]:hover { background: #fce4ec; color: #d32f2f; }
.ctx-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Pin 暂存区 ────────────────────────────────── */
#pin-staging {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--surface-strong, rgba(255,255,255,0.95));
  -webkit-backdrop-filter: var(--glass-blur, saturate(180%) blur(20px));
  backdrop-filter: var(--glass-blur, saturate(180%) blur(20px));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 10px 16px;
  max-width: 80vw;
  font-family: inherit;
}
#pin-staging-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
#pin-staging-toggle {
  background: none;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
}
#pin-staging-toggle:hover { color: var(--text); }
#pin-staging-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pin-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  cursor: pointer;
  background: color-mix(in srgb, var(--pin-color, var(--blue)) 12%, transparent);
  color: var(--pin-color, var(--blue));
  border: 1px solid color-mix(in srgb, var(--pin-color, var(--blue)) 20%, transparent);
  transition: background 0.15s var(--ease);
  user-select: none;
}
.pin-chip:hover {
  background: color-mix(in srgb, var(--pin-color, var(--blue)) 25%, transparent);
}
.pin-remove {
  font-size: 10px;
  opacity: 0.6;
  margin-left: 2px;
  cursor: pointer;
}
.pin-remove:hover { opacity: 1; color: #d32f2f; }