/* ============================================================
   巡检照片管理 - 移动优先样式
   ============================================================ */

:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --success: #0d904f;
  --success-dark: #0a6e3c;
  --danger: #d93025;
  --bg: #f0f2f5;
  --card: #ffffff;
  --text: #202124;
  --text-secondary: #5f6368;
  --border: #dadce0;
  --empty-bg: #e8eaed;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 120px;
  -webkit-tap-highlight-color: transparent;
}

/* ---------- Header ---------- */
.header {
  background: var(--primary);
  color: #fff;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  min-height: 44px;
}

.header h1 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preset-selector option {
  color: #202124;
  background: #fff;
}

.preset-area {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.preset-selector {
  padding: 4px 7px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 11px;
  max-width: 90px;
  cursor: pointer;
  outline: none;
}

.preset-manage-btn {
  position: absolute; right: 10px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
}

.preset-manage-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

/* ---------- Preset Tabs ---------- */
.preset-tabs {
  display: flex; gap: 0; margin-bottom: 12px;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.preset-tab {
  flex: 1; padding: 10px 8px; border: none;
  background: var(--card); font-size: 13px; font-weight: 500;
  cursor: pointer; color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}
.preset-tab:first-child { border-right: 1px solid var(--border); }
.preset-tab.active { background: var(--primary); color: #fff; }
.preset-tab:hover:not(.active) { background: #e8f0fe; }

.preset-list {
  max-height: 200px;
  overflow-y: auto;
}

.preset-item {
  display: flex;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}

.preset-item:last-child {
  border-bottom: none;
}

.preset-item-name {
  font-weight: 500;
  font-size: 14px;
  flex: 1;
}

.preset-item-info {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 应用预设行：窄屏竖排 */
.fp-apply-row {
  display: flex; gap: 6px; margin-bottom: 6px;
}
@media (max-width: 380px) {
  .fp-apply-row {
    flex-direction: column;
  }
}

.preset-item-actions {
  display: flex;
  gap: 4px;
}

.btn-sm-preset {
  flex: none;
  padding: 8px 14px;
  font-size: 13px;
  white-space: nowrap;
}

/* ---------- Sidebar ---------- */
.sidebar-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4); z-index: 150;
}
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: 280px;
  max-width: 85vw; background: var(--card); z-index: 151;
  box-shadow: 2px 0 12px rgba(0,0,0,0.2);
  transition: transform 0.25s ease; overflow-y: auto;
}
.sidebar-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.sidebar-list { padding: 8px 0; }
.sidebar-city {
  padding: 10px 16px; font-size: 14px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; gap: 6px;
  color: var(--text);
}
.sidebar-city:hover { background: #e8f0fe; }
.sidebar-spec {
  padding: 8px 16px 8px 40px; font-size: 13px; cursor: pointer;
  color: var(--text-secondary); display: none; align-items: center;
}
.sidebar-spec:hover { background: #e8f0fe; color: var(--primary); }
.sidebar-spec.active { color: var(--primary); font-weight: 600; }
.sidebar-spec .spec-arrow { font-size: 10px; transition: transform 0.2s; display: inline-block; }
.sidebar-spec .spec-arrow.open { transform: rotate(90deg); }
.sidebar-city .arrow { font-size: 10px; transition: transform 0.2s; }
.sidebar-city.open .arrow { transform: rotate(90deg); }
@media (hover: none) and (pointer: coarse) {
  .sidebar-spec .spec-arrow {
    font-size: 14px; display: inline-flex;
    align-items: center; justify-content: center;
    width: 32px; height: 32px; margin: -6px 2px -6px -8px;
    border-radius: 50%; flex-shrink: 0;
  }
  .sidebar-city .arrow {
    font-size: 14px; display: inline-flex;
    align-items: center; justify-content: center;
    width: 32px; height: 32px; margin: -6px 2px -6px -8px;
    border-radius: 50%; flex-shrink: 0;
  }
}
.sidebar-sites { padding: 0; }
.sidebar-site {
  padding: 6px 16px 6px 62px; font-size: 12px; cursor: pointer;
  color: var(--text-secondary); display: flex; align-items: center;
}
.sidebar-site:hover { background: #e8f0fe; color: var(--primary); }
.sidebar-city-actions {
  margin-left: auto; display: flex; gap: 4px;
}
.sidebar-add-spec-btn, .sidebar-del-city-btn, .sidebar-del-spec-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  font-size: 14px; cursor: pointer; line-height: 1;
  color: var(--text-secondary);
}
.sidebar-settings-btn {
  font-size: 16px; cursor: pointer; padding: 2px 6px;
  border-radius: 4px; transition: background 0.15s;
  margin-left: auto; margin-right: 8px;
}
.sidebar-settings-btn:hover { background: rgba(255,255,255,0.2); }
.sidebar-settings-btn.active { background: rgba(255,255,255,0.3); }
.sidebar-spec-actions {
  margin-left: auto; display: flex; gap: 4px; flex-shrink: 0;
}
.sidebar-rename-spec-btn, .sidebar-add-site-btn,
.sidebar-rename-site-btn, .sidebar-del-site-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  font-size: 12px; cursor: pointer; line-height: 1;
  color: var(--text-secondary);
}
.sidebar-site-actions {
  margin-left: auto; display: flex; gap: 4px; flex-shrink: 0;
}
.sidebar-spec .sidebar-del-spec-btn {
  /* 桌面端始终显示 */
}
@media (hover: none) and (pointer: coarse) {
  .sidebar-spec .sidebar-del-spec-btn { opacity: 1; }
}
.sidebar-add-city-btn {
  padding: 10px 16px; font-size: 13px; color: var(--primary);
  cursor: pointer; border-top: 1px solid var(--border);
  margin-top: 8px; transition: background 0.15s;
}
.sidebar-add-city-btn:hover { background: #e8f0fe; }

/* ---------- Site Tabs (可横向滚动) ---------- */
.site-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 12px 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.site-tabs::-webkit-scrollbar {
  display: none;
}

.site-tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  background: var(--card);
  color: var(--text);
  border: 2px solid var(--border);
  transition: all 0.15s ease;
  user-select: none;
}

.site-tab:hover {
  border-color: var(--primary);
}

.site-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.site-tab.add-site-btn {
  background: transparent;
  color: var(--primary);
  border: 2px dashed var(--primary);
  opacity: 0.7;
  cursor: pointer;
}

.site-tab.add-site-btn:hover {
  opacity: 1;
}

/* 站点编辑按钮 */
.site-edit-btn {
  display: inline-block;
  margin-left: 4px;
  font-size: 12px;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

.site-tab:hover .site-edit-btn {
  opacity: 0.5;
}

.site-tab .site-edit-btn:hover {
  opacity: 1;
  color: var(--primary);
}

/* 站点删除按钮 */
.site-delete-btn {
  display: inline-block;
  margin-left: 2px;
  font-size: 14px;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

.site-tab:hover .site-delete-btn {
  opacity: 0.5;
}

.site-tab .site-delete-btn:hover {
  opacity: 1;
  color: var(--danger);
}

/* ---------- Folder Tabs ---------- */
.folder-tabs {
  display: flex;
  gap: 8px;
  padding: 0 12px 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.folder-tabs::-webkit-scrollbar {
  display: none;
}

.folder-tab {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  background: var(--card);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  transition: all 0.15s ease;
  user-select: none;
}

.folder-tab.active {
  background: #e8f0fe;
  color: var(--primary);
  border-color: var(--primary);
}

/* ---------- Name Bar ---------- */
.name-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.name-bar::-webkit-scrollbar { display: none; }

.name-chip {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background: var(--card);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  user-select: none;
  white-space: nowrap;
  transition: all 0.15s;
  line-height: 22px;
  height: 32px;
  display: inline-flex;
  align-items: center;
}

.name-chip.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.name-chip-edit {
  background: transparent;
  border-style: dashed;
  opacity: 0.6;
  font-size: 14px;
  padding: 5px 8px;
  line-height: 22px;
  height: 32px;
  display: inline-flex;
  align-items: center;
}

.name-chip-hint {
  background: transparent;
  border-style: none;
  color: var(--text-secondary);
  opacity: 0.5;
  font-size: 11px;
  cursor: default;
  pointer-events: none;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  padding: 4px 16px 10px;
  text-align: center;
}

.stats-text {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- Photo Grid ---------- */
.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 0 12px;
}

@media (min-width: 600px) {
  .grid-container {
    grid-template-columns: repeat(4, 1fr);
    max-width: 700px;
    margin: 0 auto;
  }
}

@media (min-width: 900px) {
  .grid-container {
    grid-template-columns: repeat(6, 1fr);
    max-width: 900px;
    margin: 0 auto;
  }
}

/* ---------- Slot Card ---------- */
.slot-card {
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--empty-bg);
  border: 2px dashed var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow);
}

.slot-card:active {
  transform: scale(0.96);
}

.slot-card.filled {
  border: 2px solid var(--success);
  border-style: solid;
  background: #000;
}
.slot-card.filled.local {
  border-color: #f0a030;
}

.slot-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: auto;
  -webkit-user-drag: none;
  user-drag: none;
}

/* 可拖拽卡片内的图片禁止原生图片拖拽 */
.slot-card[draggable="true"] img {
  pointer-events: none;
}


.slot-card .slot-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 0;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 11px;
  text-align: center;
  font-weight: 500;
}

.slot-card.empty .slot-label {
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
}

.slot-card .empty-icon {
  font-size: 28px;
  opacity: 0.3;
  margin-bottom: 2px;
}

/* ---------- Action Buttons ---------- */
.actions {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 10px;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  background: var(--card);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  z-index: 50;
}

.btn {
  flex: 1;
  padding: 10px 6px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
  user-select: none;
  white-space: nowrap;
  min-width: 0;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn.hidden {
  display: none !important;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:not(:disabled):hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:not(:disabled):hover {
  background: #e8f0fe;
}

.btn-success {
  background: var(--success);
  color: #fff;
  width: 100%;
  flex-basis: 100%;
  margin-top: 0;
}

.btn-text {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 8px;
}

/* 宽屏：按钮排成一行 */
@media (min-width: 600px) {
  .actions {
    flex-wrap: nowrap;
    padding: 10px 16px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    gap: 10px;
  }
  .btn {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: 6px;
  }
}

/* ---------- Upload Preview ---------- */
.upload-preview {
  position: fixed;
  bottom: 70px;
  left: 12px;
  right: 12px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  z-index: 60;
  max-height: 220px;
  overflow-y: auto;
}

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

.preview-title {
  font-size: 14px;
  font-weight: 600;
}

.preview-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.preview-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid var(--border);
}

.preview-item {
  position: relative;
}

.upload-folder-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
}

.preview-item .remove-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--danger);
  color: #fff;
  border: none;
  font-size: 12px;
  line-height: 20px;
  text-align: center;
  cursor: pointer;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-120px);
  background: #323232;
  color: #fff;
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  z-index: 350;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
  max-width: 100vw;
  white-space: normal;
  text-align: center;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: var(--danger);
}

.toast.success {
  background: var(--success);
}

/* ---------- Photo Modal ---------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-image {
  max-width: 95vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}

.modal-close {
  position: fixed;
  top: 16px;
  right: 20px;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  z-index: 301;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-actions {
  position: fixed;
  top: 16px;
  left: 16px;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  z-index: 301;
  backdrop-filter: blur(10px);
}

.modal-caption {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 500;
}

/* ---------- Empty State ---------- */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 14px;
}

/* ---------- Skeleton Loading ---------- */
.skeleton {
  animation: shimmer 1.5s infinite;
  background: linear-gradient(90deg, var(--empty-bg) 25%, #f0f0f0 50%, var(--empty-bg) 75%);
  background-size: 200% 100%;
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* ---------- Create Folder Dialog ---------- */
.dialog-box {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  width: 90%;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
}

.dialog-box h3 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

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

.form-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.dialog-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.dialog-actions .btn {
  flex: 1;
}

.confirm-delete-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-secondary);
  cursor: pointer; padding: 8px 0;
}
.confirm-delete-check input[type=checkbox] {
  width: 16px; height: 16px; accent-color: var(--danger);
}

/* ---------- Type Toggle ---------- */
.type-toggle {
  display: flex;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.type-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: #fff;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.type-btn:first-child {
  border-right: 1px solid var(--border);
}

.type-btn.active {
  background: var(--primary);
  color: #fff;
}

/* ---------- Add Folder Button ---------- */
.folder-tab.add-folder-btn {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
  opacity: 0.8;
  cursor: pointer;
}

.folder-tab.add-folder-btn:hover {
  opacity: 1;
}

.folder-edit-btn {
  display: inline-block;
  margin-left: 4px;
  font-size: 12px;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

.folder-tab:hover .folder-edit-btn {
  opacity: 0.5;
}

.folder-tab .folder-edit-btn:hover {
  opacity: 1;
  color: var(--primary);
}

/* ---------- Folder Delete Button ---------- */
.folder-delete-btn {
  display: inline-block;
  margin-left: 4px;
  font-size: 14px;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

.folder-tab:hover .folder-delete-btn {
  opacity: 0.5;
}

.folder-tab .folder-delete-btn:hover {
  opacity: 1;
  color: var(--danger);
}

/* 触屏设备（手机/平板）：编辑和删除按钮始终可见 */
@media (hover: none) {
  .folder-tab .folder-edit-btn,
  .folder-tab .folder-delete-btn {
    opacity: 0.5;
  }

  .folder-tab .folder-edit-btn:active {
    opacity: 1;
    color: var(--primary);
  }

  .folder-tab .folder-delete-btn:active {
    opacity: 1;
    color: var(--danger);
  }

  .site-tab .site-edit-btn,
  .site-tab .site-delete-btn {
    opacity: 0.5;
  }

  .site-tab .site-edit-btn:active {
    opacity: 1;
    color: var(--primary);
  }

  .site-tab .site-delete-btn:active {
    opacity: 1;
    color: var(--danger);
  }
}

/* ---------- Overflow Photo Card ---------- */
.slot-card.overflow {
  border: 2px dashed #f9a825;
  background: #fffde7;
}

.slot-card.overflow .overflow-icon {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: 14px;
  opacity: 0.7;
  z-index: 1;
  pointer-events: none;
}

/* ---------- Batch Delete Mode ---------- */
.batch-mode .slot-card.empty {
  opacity: 0.3;
  pointer-events: none;
}

.slot-card .select-overlay {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
}

.batch-mode .slot-card.filled .select-overlay,
.batch-mode .slot-card.overflow .select-overlay {
  display: flex;
}

.slot-card.selected .select-overlay {
  background: var(--primary);
  border-color: var(--primary);
}

.slot-card.selected {
  outline: 3px solid var(--primary);
  outline-offset: -3px;
}

.select-checkbox {
  color: #fff;
  font-size: 15px;
  font-weight: bold;
  line-height: 1;
}

/* 批量操作栏 */
.batch-actions #btnCancelBatch {
  flex-basis: 100%;
}
/* 全选 / 取消全选 小号按钮 */
.btn-sm {
  flex: 0.35;
  font-size: 12px;
  padding: 10px 4px;
  white-space: nowrap;
}

@media (min-width: 600px) {
  .batch-actions #btnCancelBatch {
    flex-basis: auto;
  }
  .btn-sm {
    flex: 0.5;
    font-size: 13px;
    padding: 8px 10px;
  }
}

/* ---------- Drag & Drop ---------- */
.slot-card[draggable="true"] {
  cursor: grab;
}

.slot-card[draggable="true"]:active {
  cursor: grabbing;
}

.slot-card.dragging {
  opacity: 0.5;
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: 10;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

.slot-card.drag-over {
  outline: 3px dashed var(--primary);
  outline-offset: -3px;
  border-color: var(--primary);
  background: #e8f0fe;
  transform: scale(0.97);
  transition: transform 0.1s ease;
}

.slot-card.drag-over img {
  opacity: 0.7;
}


/* ---------- 连续拍照取景器 ---------- */
.camera-viewfinder {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  height: 100dvh;
  background: #000; z-index: 500;
  overflow: hidden;
  touch-action: manipulation;
}
.camera-video-wrapper {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}
.camera-video {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  transform-origin: center center;
}
.camera-canvas { position: absolute; top: 0; left: 0; }
.camera-top-bar {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 12px 16px; padding-top: max(12px, env(safe-area-inset-top));
  display: flex; align-items: center; gap: 12px;
  z-index: 502; background: linear-gradient(rgba(0,0,0,0.6), transparent);
}
.camera-close-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.15); border: none;
  color: #fff; font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.camera-folder-tag {
  color: rgba(255,255,255,0.85); font-size: 13px; font-weight: 500;
  flex: 1; text-align: center;
}
.camera-counter {
  color: rgba(255,255,255,0.8); font-size: 14px; font-weight: 600;
  background: rgba(255,255,255,0.12); padding: 4px 12px; border-radius: 5px;
  flex-shrink: 0;
}
.camera-bottom-bar {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 24px 16px; padding-bottom: max(24px, env(safe-area-inset-bottom));
  display: flex; align-items: center; justify-content: center;
  z-index: 502; background: linear-gradient(transparent, rgba(0,0,0,0.5));
}
@media (orientation: landscape) {
  .camera-bottom-bar {
    bottom: 0; top: 0; left: auto; right: 0;
    width: auto; padding: 16px 24px;
    padding-right: max(24px, env(safe-area-inset-right));
    background: linear-gradient(to left, rgba(0,0,0,0.5), transparent);
  }
}
.camera-capture-btn {
  width: 76px; height: 76px; border-radius: 50%;
  background: rgba(255,255,255,0.25); border: 4px solid #fff;
  cursor: pointer; position: relative; outline: none;
  transition: transform 0.1s ease;
}
.camera-capture-btn:active { transform: scale(0.9); }
.capture-ring {
  position: absolute; top: 6px; left: 6px; right: 6px; bottom: 6px;
  border-radius: 50%; background: #fff;
}
/* 拍照闪光 */
.camera-flash {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: #fff; z-index: 503; pointer-events: none;
  animation: flashOut 0.3s ease forwards;
}
@keyframes flashOut { from { opacity:1; } to { opacity:0; } }

/* ---------- Dark Mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #8ab4f8;
    --primary-dark: #a8c7fa;
    --success: #34a853;
    --success-dark: #1e8e3e;
    --danger: #f28b82;
    --bg: #1a1a2e;
    --card: #252540;
    --text: #e8eaed;
    --text-secondary: #9aa0a6;
    --border: #3c3c5c;
    --empty-bg: #2a2a40;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.5);
  }

  body {
    background: var(--bg);
    color: var(--text);
  }

  .header {
    background: #1e3a5f;
  }

  .preset-selector option {
    color: #e8eaed;
    background: #252540;
  }

  .site-tab {
    background: var(--card);
    color: var(--text);
  }

  .site-tab.active {
    background: var(--primary);
    color: #1a1a2e;
  }

  .site-tab.add-site-btn {
    color: var(--primary);
    border-color: var(--primary);
  }

  .name-chip {
    background: var(--card);
    color: var(--text-secondary);
    border-color: var(--border);
  }
  .name-chip.selected {
    background: var(--primary);
    color: #1a1a2e;
  }

  .folder-tab {
    background: var(--card);
  }

  .folder-tab.active {
    background: #2a3a5c;
    color: var(--primary);
  }

  .folder-tab.add-folder-btn {
    background: var(--primary);
    color: #1a1a2e;
  }

  .actions {
    background: var(--card);
    border-top-color: var(--border);
  }

  .btn-secondary {
    background: var(--card);
    color: var(--primary);
    border-color: var(--primary);
  }

  .btn-secondary:not(:disabled):hover {
    background: #2a3a5c;
  }

  .slot-card.empty {
    background: var(--empty-bg);
    border-color: var(--border);
  }

  .slot-card.filled {
    border-color: var(--success);
  }

  .slot-card.overflow {
    background: #2a2a1e;
    border-color: #a08030;
  }

  .slot-card .slot-label {
    background: rgba(0, 0, 0, 0.7);
  }

  .modal-overlay {
    background: rgba(0, 0, 0, 0.95);
  }

  .dialog-box {
    background: var(--card);
    color: var(--text);
  }

  .dialog-box h3 {
    color: var(--text);
  }

  .form-group input {
    background: var(--empty-bg);
    border-color: var(--border);
    color: var(--text);
  }

  .form-group label {
    color: var(--text-secondary);
  }

  .type-btn {
    background: var(--card);
    color: var(--text-secondary);
  }

  .type-btn.active {
    background: var(--primary);
    color: #1a1a2e;
  }

  .upload-preview {
    background: var(--card);
  }

  .toast {
    background: #e8eaed;
    color: #202124;
  }

  .toast.error {
    background: var(--danger);
    color: #fff;
  }

  .toast.success {
    background: var(--success);
    color: #fff;
  }

  .skeleton {
    background: linear-gradient(90deg, var(--empty-bg) 25%, #3a3a50 50%, var(--empty-bg) 75%);
    background-size: 200% 100%;
  }
}

/* ---------- Empty Slot Camera Capture ---------- */
.slot-card.empty {
  cursor: pointer;
}

.slot-card.empty:active {
  transform: scale(0.95);
  background: #e8f0fe;
}