:root {
  --bg: #ffffff;
  --text: #000000;
  --text-light: #666666;
  --border: #000000;
  --border-strong: rgba(0, 0, 0, 0.3);
  --divider: rgba(0, 0, 0, 0.08);
  --card-bg: rgba(255, 255, 255, 0.92);
  --hover: #f5f5f5;
  --danger: #d14343;
  --delete-preview-bg: rgba(209, 67, 67, 0.08);
  --delete-preview-border: rgba(209, 67, 67, 0.45);
  --editor-popover-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  --settings-btn-size: 36px;
  --settings-icon-size: 28px;
  --scrollbar-size: 6px;
  --scrollbar-thumb: #000000;
  --scrollbar-track: transparent;
  --app-max-width: 900px;
  --column-min-width: 200px;
  --column-index-width: 64px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

[data-theme="dark"] {
  --bg: #1a1a1a;
  --text: #e0e0e0;
  --text-light: #999999;
  --border: #333333;
  --border-strong: rgba(255, 255, 255, 0.28);
  --divider: rgba(255, 255, 255, 0.12);
  --card-bg: rgba(20, 20, 20, 0.95);
  --hover: #2a2a2a;
  --danger: #ff7878;
  --delete-preview-bg: rgba(255, 120, 120, 0.22);
  --delete-preview-border: rgba(255, 120, 120, 0.55);
  --editor-popover-shadow: 0 20px 48px rgba(0, 0, 0, 0.65);
  --scrollbar-thumb: #000000;
}

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

.hidden {
  display: none !important;
}

html, body {
  background: var(--bg);
  color: var(--text);
  height: 100%;
}

body {
  padding: 0 0 20px;
  overflow: hidden;
}

.drag-strip {
  height: 32px;
  margin: 0 auto;
  width: min(var(--app-max-width), calc(100% - 40px));
  -webkit-app-region: drag;
  cursor: grab;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-shell {
  width: min(var(--app-max-width), calc(100% - 40px));
  margin: 8px auto 0;
  background: var(--bg);
  padding: 0 24px 24px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.top-bar h1 {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.top-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  -webkit-app-region: no-drag;
}

.top-actions > * {
  margin-left: 8px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  -webkit-app-region: no-drag;
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

#theme-toggle .sun-icon,
#theme-toggle .moon-icon {
  position: absolute;
  transition: opacity 0.2s, transform 0.2s;
}

#theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0deg);
}

#theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] #theme-toggle .sun-icon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] #theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0deg);
}

.settings-menu {
  position: relative;
  -webkit-app-region: no-drag;
}

#settings-btn {
  position: relative;
}

.settings-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg);
  border: 1px solid var(--border);
  min-width: 180px;
  display: none;
  z-index: 1000;
  -webkit-app-region: no-drag;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.settings-dropdown.show {
  display: block;
}

[data-theme="dark"] .settings-dropdown {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.dropdown-item {
  width: 100%;
  padding: 12px 16px;
  text-align: left;
  border: none;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
}


.dropdown-item:hover {
  background: var(--text);
  color: var(--bg);
}

.dropdown-item.danger {
  color: var(--text);
}

.dropdown-item.danger:hover {
  background: var(--text);
  color: var(--bg);
}

.dropdown-separator {
  width: calc(100% - 32px);
  height: 1px;
  background: var(--border);
  margin: 8px 16px;
}

.toolbar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 15px;
}

.tab-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

.tab-strip button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.1s;
  white-space: nowrap;
}

.tab-strip button:hover {
  background: var(--hover);
}

.tab-strip button.active {
  background: var(--text);
  color: var(--bg);
}

.search-box {
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  flex: 1;
  max-width: 300px;
}

.search-box input {
  border: none;
  background: transparent;
  padding: 8px 4px;
  width: 100%;
  font-size: 13px;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-light);
}

button {
  font: inherit;
  cursor: pointer;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  font-size: 13px;
  transition: background 0.1s;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover {
  background: var(--hover);
}

button:focus-visible {
  outline: 1px solid var(--text);
  outline-offset: -1px;
}

.ghost {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  -webkit-app-region: no-drag;
}

.ghost:hover {
  background: var(--text);
  color: var(--bg);
}

.ghost.danger {
  color: var(--text);
}

.ghost.danger:hover {
  background: var(--text);
  color: var(--bg);
}

.ghost.small {
  padding: 5px 10px;
  font-size: 12px;
}

.grid-wrapper {
  --table-width: 100%;
  --table-columns: var(--column-index-width);
  max-height: calc(100vh - 280px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.grid-wrapper::-webkit-scrollbar {
  height: var(--scrollbar-size);
  width: var(--scrollbar-size);
}

.grid-wrapper::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.grid-wrapper::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
}



.grid-head {
  display: grid;
  grid-template-columns: var(--table-columns, var(--column-index-width));
  align-items: stretch;
  gap: 0;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  color: var(--text-light);
  min-width: var(--table-width, 100%);
  width: var(--table-width, 100%);
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg);
}

.grid-head .header-cell {
  padding: 0 10px;
  min-width: var(--column-min-width);
  position: relative;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-right: 1px solid var(--border);
}

.grid-head .header-cell.renaming {
  padding: 0 10px;
}

.column-rename-input {
  width: 100%;
  border: 1px solid #111;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  padding: 6px 8px;
  text-transform: none;
}

.grid-head .col-index {
  min-width: var(--column-index-width);
  justify-content: center;
  text-align: center;
}

.grid-head .header-cell:last-child {
  border-right: none;
}

.phrase-list {
  margin: 0;
  min-width: var(--table-width, 100%);
  overflow: visible;
}

.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
}

.phrase-row {
  display: grid;
  grid-template-columns: var(--table-columns, var(--column-index-width));
  align-items: stretch;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
  min-width: var(--table-width, 100%);
  width: var(--table-width, 100%);
}

.phrase-row:hover {
  background: var(--hover);
}

.phrase-row.preview-delete-row,
.phrase-row.preview-delete-row .cell {
  background: var(--delete-preview-bg) !important;
}

.phrase-row.preview-delete-row .cell {
  box-shadow: inset 0 -1px 0 var(--delete-preview-border);
}

.phrase-row .cell {
  padding: 12px;
  border-right: 1px solid var(--border);
  flex: 1 1 var(--column-min-width);
  min-width: var(--column-min-width);
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  box-sizing: border-box;
}

.phrase-row .cell.preview-delete-col,
.grid-head .header-cell.preview-delete-col {
  background: var(--delete-preview-bg) !important;
  box-shadow: inset 0 0 0 1px var(--delete-preview-border);
}

.phrase-row .cell.preview-delete-col::after,
.grid-head .header-cell.preview-delete-col::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px dashed var(--delete-preview-border);
}

.phrase-row .cell:last-child {
  border-right: none;
}

.phrase-row .col-index {
  font-variant-numeric: tabular-nums;
  color: var(--text-light);
  text-align: center;
  flex: 0 0 var(--column-index-width);
  min-width: var(--column-index-width);
  justify-content: center;
}

.copyable {
  cursor: pointer;
  position: relative;
  transition: background 0.1s;
}

.copyable:hover {
  background: var(--hover);
}

.copyable:active {
  background: var(--text);
  color: var(--bg);
}

.copyable.copied::after {
  content: "已复制";
  position: absolute;
  top: -22px;
  right: 0;
  font-size: 11px;
  background: var(--text);
  color: var(--bg);
  padding: 2px 8px;
}

.copyable.is-empty {
  cursor: default;
  opacity: 0.3;
}

.cell-content {
  width: 100%;
  display: block;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.6;
  overflow: visible;
}

.cell-content.multiline {
  white-space: pre-wrap;
  overflow: visible;
}

.cell.editing {
  background: var(--hover);
}

.cell-editor-popover {
  position: fixed;
  z-index: 1200;
  background: var(--bg);
  border: 1px solid #111;
  border-radius: 0;
  box-shadow: var(--editor-popover-shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 240px;
  max-width: 420px;
  visibility: hidden;
}

.cell-editor-title {
  font-size: 13px;
  color: var(--text-light);
}

.cell-editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.cell-editor-actions .ghost,
.cell-editor-actions .primary {
  padding: 6px 14px;
  font-size: 13px;
}

.cell-editor {
  width: 100%;
  font: inherit;
  padding: 8px 10px;
  border: 1px solid #111;
  border-radius: 0;
  resize: vertical;
  min-height: 36px;
  background: var(--bg);
  color: var(--text);
}

textarea.cell-editor {
  min-height: 140px;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.cell-editor:focus {
  outline: 2px solid var(--border-strong);
  outline-offset: 0;
}

textarea.cell-editor::-webkit-scrollbar {
  width: 6px;
  border-radius: 0;
}

textarea.cell-editor::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 0;
}

textarea.cell-editor::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 0;
}

.table-context-menu {
  position: fixed;
  z-index: 1000;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  padding: 6px 0;
  width: 200px;
  user-select: none;
}

.table-context-menu .menu-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 8px;
}

.table-context-menu .menu-divider {
  height: 1px;
  margin: 6px 0;
  background: var(--border);
}

.table-context-menu .menu-item {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 6px;
  border-radius: 6px;
  cursor: pointer;
}

.table-context-menu .menu-item:hover:not(.disabled) {
  background: var(--hover);
}

.table-context-menu .menu-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.table-context-menu .menu-icon {
  width: 16px;
  text-align: center;
  color: var(--text-light);
}

.table-context-menu input[data-role="count"] {
  width: 48px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 4px;
  font: inherit;
  color: inherit;
  background: var(--bg);
}

.table-context-menu input[data-role="count"]:focus {
  outline: 2px solid var(--primary);
  border-color: var(--primary);
}

.table-context-menu .menu-unit {
  margin-left: auto;
  color: var(--text-light);
  font-size: 12px;
}

.copyable.is-empty:hover {
  background: transparent;
}

.col-title .cell-content {
  font-weight: 400;
  font-size: 14px;
}

.col-content .cell-content {
  font-family: "SF Mono", Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 15px 0 0 0;
  border-top: 1px solid var(--border);
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-light);
}

#category-dialog {
  border: 2px solid var(--text);
  padding: 24px;
  background: var(--bg);
  color: var(--text);
  max-width: 400px;
  width: calc(100% - 60px);
  margin: auto;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

#shortcut-dialog,
#data-source-dialog,
#import-dialog,
#restore-dialog {
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0;
  background: var(--bg);
  color: var(--text);
  max-width: 340px;
  width: calc(100% - 40px);
  margin: 0;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
[data-theme="dark"] #shortcut-dialog,
[data-theme="dark"] #data-source-dialog,
[data-theme="dark"] #import-dialog,
[data-theme="dark"] #restore-dialog {
  border-color: rgba(255, 255, 255, 0.1);
}

#category-dialog::backdrop,
#shortcut-dialog::backdrop,
#data-source-dialog::backdrop,
#import-dialog::backdrop,
#restore-dialog::backdrop,
#settings-panel::backdrop {
  background: rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(4px);
}

[data-theme="dark"] #category-dialog::backdrop,
[data-theme="dark"] #shortcut-dialog::backdrop,
[data-theme="dark"] #data-source-dialog::backdrop,
[data-theme="dark"] #import-dialog::backdrop,
[data-theme="dark"] #restore-dialog::backdrop,
[data-theme="dark"] #settings-panel::backdrop {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

[data-theme="dark"] #category-dialog,
[data-theme="dark"] #shortcut-dialog,
[data-theme="dark"] #data-source-dialog,
[data-theme="dark"] #import-dialog,
[data-theme="dark"] #restore-dialog {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

#category-dialog h2 {
  margin-bottom: 20px;
  font-size: 15px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
}

.field {
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.field.shortcut-field {
  flex-direction: column;
  align-items: flex-start;
}

.field:has(span) {
  display: block;
}

#new-category-input {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
}

[data-theme="dark"] #new-category-input {
  background: var(--hover);
  color: var(--text);
  border-color: var(--border);
}

[data-theme="dark"] #new-category-input::placeholder {
  color: var(--text-light);
}

.field span {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  color: var(--text);
}

.shortcut-capture {
  border: 1px dashed var(--border);
  padding: 16px;
  margin-top: 12px;
  text-align: center;
  font-size: 14px;
  letter-spacing: 1px;
  cursor: text;
  background: var(--bg);
  color: var(--text);
}

.shortcut-capture:focus {
  outline: 1px solid var(--text);
  outline-offset: 2px;
}

.shortcut-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-light);
  min-height: 16px;
}

.muted-text {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-light);
}

.muted-text.warning {
  color: var(--danger);
}

.radio-group {
  border: 1px solid var(--border);
  padding: 12px;
  margin-bottom: 24px;
}

.radio-group legend {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  color: var(--text);
}

.radio-option {
  display: flex;
  align-items: flex-start;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  line-height: 1.6;
  min-height: 18px;
}

.radio-option:last-child {
  margin-bottom: 0;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

/* Custom square checkbox */
.radio-option::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(0, 0, 0, 0.3);
  background: var(--bg);
  transition: all 0.15s ease;
}

[data-theme="dark"] .radio-option::before {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--bg);
}

.radio-option:hover::before {
  border-color: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .radio-option:hover::before {
  border-color: rgba(255, 255, 255, 0.5);
}

/* Checkmark */
.radio-option::after {
  content: '';
  position: absolute;
  display: none;
  left: 5px;
  top: 4px;
  width: 4px;
  height: 8px;
  border: solid var(--text);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

.radio-option input[type="radio"]:checked ~ span::before {
  border-color: var(--text);
}

.radio-option input[type="radio"]:checked + span::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 14px;
  height: 14px;
  border: 1px solid var(--text);
  background: var(--bg);
}

.radio-option input[type="radio"]:checked + span::after {
  content: '';
  position: absolute;
  display: block;
  left: 5px;
  top: 4px;
  width: 4px;
  height: 8px;
  border: solid var(--text);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

.radio-option span {
  display: inline;
}

.file-picker {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-picker input[type="file"] {
  padding: 10px;
  border: 1px dashed var(--border);
  background: var(--hover);
  color: var(--text);
  cursor: pointer;
}

.file-picker input[type="file"]:focus {
  outline: 1px solid var(--text);
  outline-offset: 2px;
}

.file-picker .file-name {
  font-size: 12px;
  color: var(--text-light);
}

.merge-options {
  display: none;
}

.merge-options.active {
  display: block;
}

.import-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.backup-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 240px;
  overflow-y: auto;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.backup-item {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 0;
  padding: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  transition: all 0.12s ease;
  position: relative;
}
[data-theme="dark"] .backup-item {
  border-color: rgba(255, 255, 255, 0.06);
}

.backup-item:hover {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.02);
}
[data-theme="dark"] .backup-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

.backup-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.backup-item {
  cursor: pointer;
}

/* Custom square checkbox for backup items */
.backup-item::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 16px;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  background: var(--bg);
  transition: all 0.15s ease;
  z-index: 1;
}

[data-theme="dark"] .backup-item::before {
  border-color: rgba(255, 255, 255, 0.25);
  background: var(--bg);
}

.backup-item:hover::before {
  border-color: rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .backup-item:hover::before {
  border-color: rgba(255, 255, 255, 0.35);
}

/* Checkmark for backup items - show when checked */
.backup-item input[type="radio"]:checked ~ .backup-meta::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 16px;
  width: 14px;
  height: 14px;
  border: 1px solid var(--text);
  background: var(--bg);
}

.backup-item input[type="radio"]:checked ~ .backup-meta::after {
  content: '';
  position: absolute;
  display: block;
  left: 21px;
  top: 18px;
  width: 4px;
  height: 8px;
  border: solid var(--text);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
  z-index: 2;
}

.backup-meta {
  padding-left: 38px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  border-radius: 0;
  flex: 1;
  min-width: 0;
}

.backup-meta strong {
  font-weight: 500;
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0;
  display: block;
  margin-bottom: 1px;
}

.backup-meta .backup-stats {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 400;
}
[data-theme="dark"] .backup-meta .backup-stats {
  color: var(--text-light);
}

.backup-detail {
  font-size: 12px;
  color: var(--text-light);
}

.backup-item-toolbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  justify-content: center;
  min-width: 72px;
}

.backup-item-toolbar .ghost,
.backup-item-toolbar .primary {
  align-self: flex-end;
}

@media (max-width: 640px) {
  .backup-item {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .backup-item-toolbar {
    flex-direction: row;
    justify-content: flex-end;
    gap: 8px;
  }
}

/* Remove the old selected border style as we now use checkmark */
.backup-item input[type="radio"]:checked + .backup-item-border {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  pointer-events: none;
  display: block;
}

[data-theme="dark"] .backup-item input[type="radio"]:checked + .backup-item-border {
  border-color: rgba(255, 255, 255, 0.15);
}

.backup-item-border {
  display: none;
}

.backup-empty,
.backup-error,
.backup-loading {
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
  padding: 32px 20px;
  font-weight: 400;
}

.field.cloud-field {
  display: block;
}

.field.cloud-field:not(.active) {
  display: none;
}

.data-source-status {
  margin-left: auto;
  text-align: right;
  min-height: 1em;
  color: var(--text-light);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

[data-theme="dark"] .field input,
[data-theme="dark"] .field textarea,
[data-theme="dark"] .field select {
  background: var(--hover);
  color: var(--text);
  border-color: var(--border);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-light);
}

[data-theme="dark"] .field input::placeholder,
[data-theme="dark"] .field textarea::placeholder {
  color: var(--text-light);
}

.field select {
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml;charset=UTF-8,%3Csvg width="10" height="6" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0l5 5 5-5z" fill="%23000"%2F%3E%3C/svg%3E');
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 35px;
}

[data-theme="dark"] .field select {
  background-color: var(--hover);
  background-image: url('data:image/svg+xml;charset=UTF-8,%3Csvg width="10" height="6" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0l5 5 5-5z" fill="%23e0e0e0"%2F%3E%3C/svg%3E');
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.category-field {
  display: flex;
  gap: 10px;
}

.category-field select {
  flex: 1;
}

.category-field button {
  flex-shrink: 0;
}

.category-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  border-radius: 0;
  background: var(--bg);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.category-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
  position: relative;
}

.category-item[draggable="true"] {
  cursor: grab;
}

.category-item.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.category-item.drop-before::before,
.category-item.drop-after::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text);
}

.category-item.drop-before::before {
  top: 0;
}

.category-item.drop-after::after {
  bottom: 0;
}

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

.category-item:hover {
  background: var(--hover);
}

.category-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.category-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.category-name {
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.category-edit-input {
  display: none;
  border: 1px solid var(--border);
  padding: 6px 10px;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  border-radius: 6px;
  width: min(260px, 100%);
}

[data-theme="dark"] .category-edit-input {
  background: var(--hover);
  border-color: var(--border);
}

.category-item.editing .category-name {
  display: none;
}

.category-item.editing .category-edit-input {
  display: block;
}

.category-item.editing {
  background: var(--hover);
}

.category-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--text-light);
}

.category-count {
  color: var(--text-light);
}

.category-tag {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-light);
}

[data-theme="dark"] .category-tag {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
}

.category-system-note {
  font-size: 12px;
  color: var(--text-light);
}

.category-item button {
  padding: 4px 10px;
  font-size: 12px;
}

.category-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-light);
}

.category-list::-webkit-scrollbar,
.backup-list::-webkit-scrollbar {
  width: var(--scrollbar-size);
}

.category-list::-webkit-scrollbar-track,
.backup-list::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.category-list::-webkit-scrollbar-thumb,
.backup-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 0;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 1px solid var(--text);
  outline-offset: -1px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text);
}

.primary {
  background: var(--text);
  color: var(--bg);
  border: 2px solid var(--text);
  padding: 8px 16px;
  font-weight: 500;
}

.primary:hover {
  background: var(--bg);
  color: var(--text);
  border-color: var(--text);
}

[data-theme="dark"] .primary {
  background: var(--text);
  color: var(--bg);
  border: 2px solid var(--text);
}

[data-theme="dark"] .primary:hover {
  background: var(--bg);
  color: var(--text);
  border-color: var(--text);
}

/* 新的统一设置面板样式 */
.settings-modal {
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0;
  background: var(--bg);
  color: var(--text);
  max-width: 720px;
  width: calc(100% - 40px);
  margin: 0;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .settings-modal {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.settings-container {
  display: flex;
  flex-direction: column;
  height: 520px;
  overflow: hidden;
}

.settings-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

[data-theme="dark"] .settings-header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.settings-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-light);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

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

.settings-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* 左侧导航 */
.settings-nav {
  width: 160px;
  padding: 16px 0;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
  background: var(--bg);
  overflow-y: auto;
  flex-shrink: 0;
}

[data-theme="dark"] .settings-nav {
  border-right-color: rgba(255, 255, 255, 0.06);
}

.nav-item {
  display: block;
  width: 100%;
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

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

.nav-item.active {
  color: var(--text);
  font-weight: 500;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--text);
}

.nav-item.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.nav-item.disabled:hover {
  background: none;
}

.nav-divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.06);
  margin: 8px 20px;
}

[data-theme="dark"] .nav-divider {
  background: rgba(255, 255, 255, 0.06);
}

/* 右侧内容区 */
.settings-content {
  flex: 1;
  overflow-y: auto;
  background: var(--bg);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.settings-content::-webkit-scrollbar {
  width: var(--scrollbar-size);
}

.settings-content::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.settings-content::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 0;
}

.settings-section {
  display: none;
  padding: 24px 32px;
}

.settings-section.active {
  display: block;
}

.settings-section h3 {
  margin: 0 0 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.settings-section h4 {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.section-block {
  padding: 20px 24px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-block > h4 {
  margin: 0;
}

.section-block > .muted-text {
  margin: 0;
}

.settings-section > .section-block:first-of-type {
  margin-top: 4px;
}


.archive-block {
  gap: 12px;
}

.archive-list-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.archive-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.archive-actions button {
  flex-shrink: 0;
}

.archive-list-group .backup-list {
  max-height: 280px;
}

/* 用户面板 */
.user-info-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  background: var(--bg);
  margin-bottom: 24px;
}

.user-info-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-info-main strong {
  font-size: 18px;
  font-weight: 600;
}

.user-info-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
}

.user-management-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.user-create-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.user-create-form .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.user-create-form .field span {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-create-form input,
.user-create-form select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 0;
}

.user-create-feedback {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-light);
}

.user-create-feedback.success {
  color: #1a7f37;
}

.user-create-feedback.error {
  color: var(--danger);
}

.user-list-section {
  border: 1px solid var(--border);
}

.user-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.user-list {
  max-height: 260px;
  overflow-y: auto;
}

.user-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  cursor: pointer;
}

.user-row:last-child {
  border-bottom: none;
}

.user-row:hover,
.user-row.selected {
  background: var(--hover);
}

.user-row-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.user-row-title {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.user-row-title strong {
  font-weight: 600;
  color: var(--text);
}

.user-row-title span {
  font-size: 12px;
  color: var(--text-light);
}

.user-row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--text-light);
}

.user-row-actions {
  display: flex;
  gap: 8px;
}

.user-list-loading,
.user-list-error,
.user-list-empty {
  padding: 16px;
  font-size: 13px;
  color: var(--text-light);
}

.user-detail {
  border: 1px solid var(--border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-detail-loader,
.user-detail-placeholder {
  font-size: 13px;
  color: var(--text-light);
}

.user-detail-header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
}

.user-detail-header strong {
  font-size: 16px;
  font-weight: 600;
}

.user-detail-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
}

.user-detail-summary {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-detail-error {
  color: var(--danger);
  font-size: 13px;
}

.user-detail-backups {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-backup-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
}

.user-backup-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-light);
}

.user-backup-info strong {
  font-size: 13px;
  color: var(--text);
}

.user-backup-empty {
  font-size: 12px;
  color: var(--text-light);
}

.user-password-modal input {
  border-radius: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.user-password-modal #user-password-feedback {
  min-height: 16px;
  font-size: 12px;
  color: var(--text-light);
}

.user-password-modal #user-password-feedback.error {
  color: var(--danger);
}

.user-password-modal #user-password-feedback.success {
  color: #1a7f37;
}

.settings-actions {
  display: flex;
  gap: 8px;
  margin-top: 24px;
}

/* 快捷键录制器 */
.shortcut-capture {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: monospace;
  cursor: pointer;
  transition: all 0.15s ease;
}

.shortcut-capture:focus {
  outline: 1px solid var(--text);
  outline-offset: -1px;
  background: var(--hover);
}

[data-theme="dark"] .shortcut-capture {
  background: var(--hover);
}

[data-theme="dark"] .shortcut-capture:focus {
  background: rgba(255, 255, 255, 0.05);
}

/* 导入导出容器 */
.import-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.import-section .radio-group {
  margin: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.import-section .radio-group legend {
  margin-bottom: 0;
}

.import-section .radio-option {
  margin-bottom: 0;
}

.import-section .muted-text {
  margin: 0;
}

.export-section {
  margin-bottom: 24px;
}

.import-section h4,
.export-section h4 {
  margin-bottom: 12px;
}

/* 分类管理 */
.category-add {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.category-add input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
}

[data-theme="dark"] .category-add input {
  background: var(--hover);
}

/* 移动端适配 */
@media (max-width: 768px) {
  body {
    padding: 0;
  }

  .grid-wrapper {
    overflow-x: visible;
  }

  .app-shell {
    border: none;
    height: 100vh;
    max-height: 100vh;
    max-width: 100%;
  }

  .top-bar {
    padding: 12px 15px;
    margin-bottom: 0;
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 100;
    border-bottom: 1px solid var(--border);
  }

  .top-bar h1 {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .toolbar {
    padding: 0;
    flex-direction: column;
    gap: 0;
    position: sticky;
    top: 50px;
    background: var(--bg);
    z-index: 99;
    border-bottom: 1px solid var(--border);
  }

  .tab-strip {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0;
    padding: 0;
    -webkit-overflow-scrolling: touch;
    display: flex;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    scroll-behavior: smooth;
  }
  
  .tab-strip::-webkit-scrollbar {
    display: none;
  }

  .tab-strip button {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 12px 16px;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    position: relative;
  }
  
  .tab-strip button:not(:last-child) {
    border-right: 1px solid var(--border);
  }

  .tab-strip button.active {
    background: transparent;
    color: var(--text);
    border-bottom-color: var(--text);
  }

  .tab-strip button:hover {
    background: var(--hover);
  }

  .toolbar-right {
    width: 100%;
    padding: 10px 15px;
    background: var(--bg);
  }

  .search-box {
    width: 100%;
    border-radius: 0;
  }

  .search-box input {
    width: 100%;
    min-width: auto;
    font-size: 14px;
  }

  .grid-head {
    display: none;
  }

  .phrase-list {
    padding: 10px;
    max-height: calc(100vh - 180px);
    margin-top: 10px;
    width: 100%;
    min-width: 0;
  }

  .phrase-row {
    display: block;
    padding: 12px;
    margin-bottom: 8px;
    border: 1px solid var(--border);
    width: 100%;
    min-width: 0;
  }

  .phrase-row {
    flex-direction: column;
    align-items: stretch;
  }

  .phrase-row .cell {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
    min-width: 0;
    max-width: none;
  }

  .phrase-row .cell:last-child {
    border-bottom: none;
  }

  .phrase-row .col-index {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    color: var(--text-light);
    justify-content: flex-start;
  }

  .phrase-row .col-title {
    display: inline-block;
    margin-bottom: 4px;
  }

  .col-title .cell-content {
    font-size: 14px;
  }

  .phrase-row .col-content {
    background: var(--hover);
    border-radius: 6px;
  }

  .footer {
    padding: 10px;
    margin-top: 10px;
  }

  /* 触摸优化 */
  button {
    min-height: 40px;
    touch-action: manipulation;
  }

  .copyable {
    min-height: 40px;
    display: flex;
    align-items: center;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
  }

  /* 弹窗适配 */
  #category-dialog {
    width: calc(100% - 40px);
    max-width: 360px;
    padding: 20px;
  }
  
  #shortcut-dialog,
  #data-source-dialog,
  #import-dialog {
    width: calc(100% - 40px);
    max-width: 380px;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 16px 20px;
  }

  .category-field {
    flex-direction: column;
    gap: 10px;
  }

  .category-field select,
  .category-field button {
    width: 100%;
  }
}

/* 小屏幕手机 */
@media (max-width: 375px) {
  .top-bar h1 {
    font-size: 14px;
  }

  .tab-strip button {
    padding: 10px 12px;
    font-size: 12px;
  }

  .ghost {
    font-size: 11px;
    padding: 8px 10px;
  }

  .search-box input {
    font-size: 14px;
  }
  
  .toolbar {
    top: 46px;
  }
}
.drag-strip button {
  border: none;
  background: transparent;
  color: var(--text-light);
  font-size: 12px;
  pointer-events: none;
}
.modal-header {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: var(--bg);
}
[data-theme="dark"] .modal-header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.modal-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.modal-body {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text);
}

.modal-desc {
  color: var(--text-light);
  margin-bottom: 8px;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}
[data-theme="dark"] .modal-footer {
  border-top-color: rgba(255, 255, 255, 0.06);
  background: var(--bg);
}