.imagine-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
  align-items: stretch;
}

@media (max-width: 1024px) {
  .imagine-top-grid {
    grid-template-columns: 1fr;
  }
}

.imagine-card {
  background: #fff;
  border: none !important;
  border-radius: 14px;
  padding: 20px;
  box-shadow: none !important;
  display: flex;
  flex-direction: column;
  overflow: visible;
}

.imagine-card.settings-card {
  padding: 16px;
}

.imagine-card-collapsible {
  transition: all 0.3s ease;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  margin-bottom: 12px;
}

.status-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  margin-bottom: 12px;
}

.status-header-row .card-title {
  margin-bottom: 0;
}

.status-header-row .status-text {
  flex: 1;
  text-align: right;
}

.status-header-row .collapse-icon {
  flex-shrink: 0;
}

.collapse-icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
  color: var(--accents-4);
}

.imagine-card-collapsible.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

.card-title-row:hover .collapse-icon {
  color: var(--accents-7);
}

.card-content {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.2s ease;
  max-height: 2000px;
  opacity: 1;
}

.imagine-card-collapsible.collapsed .card-content {
  max-height: 0;
  opacity: 0;
  margin: 0;
  padding: 0;
}

.imagine-card-collapsible.collapsed .card-title-row {
  margin-bottom: 0;
}

.imagine-card-collapsible.collapsed .card-title {
  margin-bottom: 0;
}

.imagine-card-collapsible.collapsed .status-header-row {
  margin-bottom: 0;
}

.imagine-card-collapsible.collapsed {
  padding: 12px 20px;
}

.floating-actions {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  cursor: move;
  user-select: none;
  white-space: nowrap;
}

.floating-actions:active {
  cursor: grabbing;
}

.shadow-xl {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2) !important;
}

.toolbar-sep {
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--border);
  margin: 0 6px;
}

.imagine-textarea {
  height: auto;
  min-height: 0;
  resize: vertical;
  line-height: 1.5;
  flex: 1;
}

.settings-grid {
  --row-gap: 10px;
  --row-h: 52px;
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  grid-template-rows: auto var(--row-h) var(--row-h);
  column-gap: 16px;
  row-gap: var(--row-gap);
  align-items: stretch;
}

.settings-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: auto;
}

.settings-block-prompt {
  grid-column: 1;
  grid-row: 1;
}

.settings-block-duo {
  grid-column: 2;
  grid-row: 1;
  height: auto;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
}

.settings-block-row2 {
  grid-column: 1;
  grid-row: 2;
}

.settings-block-row2b {
  grid-column: 2;
  grid-row: 2;
}

.settings-block-row3 {
  grid-column: 1;
  grid-row: 3;
}

.settings-block-row3b {
  grid-column: 2;
  grid-row: 3;
}

.settings-block-single {
  height: auto;
  align-self: auto;
  justify-content: stretch;
}

.settings-prompt {
  display: flex;
  flex-direction: column;
  height: auto;
}

.settings-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-items: stretch;
  height: 100%;
}

.settings-field {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.settings-field .field-label {
  margin-bottom: 0;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  height: 100%;
  padding: 0 10px;
  border-radius: 10px;
  background: #f7f7f8;
  border: 1px solid var(--accents-1);
}

.toggle-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.toggle-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--accents-6);
  line-height: 1.2;
}

.toggle-desc {
  font-size: 10px;
  color: var(--accents-4);
  line-height: 1.2;
}

.toggle-row-fill {
  height: 100%;
}

.settings-folder {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  justify-content: space-between;
}

.settings-folder .field-label {
  margin-bottom: 0;
  line-height: 1;
}

.folder-select-btn {
  width: 100%;
  justify-content: flex-start;
  font-size: 12px;
  height: 30px;
  padding: 0 12px;
  gap: 8px;
  align-items: center;
  white-space: normal;
}

.folder-select-btn #folderPath {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .settings-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .settings-row {
    grid-template-columns: 1fr;
  }

  .settings-block-prompt,
  .settings-block-duo,
  .settings-block-row2,
  .settings-block-row2b,
  .settings-block-row3,
  .settings-block-row3b {
    grid-column: 1;
    grid-row: auto;
  }

  .settings-block-duo {
    height: auto;
    display: flex;
    flex-direction: column;
  }
}


.waterfall-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  min-height: 28px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accents-7);
  margin: 0;
}

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

.batch-download-btn {
  height: 28px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--fg);
  flex-shrink: 0;
}

.batch-download-btn svg {
  width: 14px;
  height: 14px;
}

.selection-toolbar {
  display: none;
  align-items: center;
  gap: 8px;
}

.selection-toolbar.hidden {
  display: none;
}

.selection-toolbar:not(.hidden) {
  display: flex;
}

.selection-toolbar .geist-button-outline {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
}

.selected-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accents-2);
  color: var(--accents-6);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
}

.field-label {
  display: block;
  font-size: 11px;
  color: var(--accents-4);
  margin-bottom: 6px;
}

.status-text {
  font-size: 11px;
  color: var(--accents-4);
}

.status-text.connected {
  color: #059669;
}

.status-text.connecting {
  color: #d97706;
}

.status-text.error {
  color: #dc2626;
}


.meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.mode-item {
  align-items: center;
}

.mode-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  flex-wrap: wrap;
}

.mode-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--accents-6);
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.mode-btn:hover {
  background: var(--hover-bg);
  border-color: var(--border);
}

.mode-btn.active {
  background: #000;
  color: #fff;
  border-color: #000;
}

.meta-item {
  padding: 12px;
  border-radius: 10px;
  background: #f7f7f8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
}

.meta-label {
  font-size: 10px;
  color: var(--accents-4);
}

.meta-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--accents-7);
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 150px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.toggle input {
  display: none;
}

.toggle-track {
  width: 38px;
  height: 20px;
  background: #e5e7eb;
  border-radius: 999px;
  position: relative;
  transition: background 0.2s ease;
}

.toggle-track::after {
  content: "";
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 999px;
  position: absolute;
  top: 3px;
  left: 3px;
  box-shadow: none;
  transition: transform 0.2s ease;
}

.toggle input:checked + .toggle-track {
  background: #111;
}

.toggle input:checked + .toggle-track::after {
  transform: translateX(18px);
}

.toggle-label {
  font-size: 12px;
  color: var(--accents-4);
}

.imagine-empty {
  text-align: center;
  padding: 32px 24px;
  font-size: 12px;
  color: var(--accents-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 220px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  background: linear-gradient(135deg, #fafafa 0%, #f3f4f6 100%);
}

.empty-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accents-6);
}

.empty-subtitle {
  font-size: 11px;
  color: var(--accents-4);
}

.empty-hint {
  margin-top: 4px;
  font-size: 10px;
  color: var(--accents-3);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--accents-1);
  background: #fff;
}

.waterfall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
}

@media (max-width: 1200px) {
  .waterfall {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .waterfall {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .waterfall {
    grid-template-columns: 1fr;
  }
}

.waterfall-item {
  border-radius: 14px;
  overflow: hidden;
  border: none !important;
  background: #fff;
  box-shadow: none !important;
  animation: riseIn 0.4s ease;
  cursor: pointer;
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.waterfall-item:hover {
  transform: scale(1.02);
}

.waterfall-item.selection-mode {
  cursor: default;
}

.waterfall-item.selection-mode:hover {
  transform: none;
}

.waterfall-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px 14px 0 0;
}

.waterfall-item .image-checkbox {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 16px;
  height: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #ddd;
  border-radius: 2px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.waterfall-item.selection-mode .image-checkbox {
  display: flex;
}

.waterfall-item .image-checkbox:hover {
  border-color: #000;
  background: rgba(255, 255, 255, 1);
}

.waterfall-item.selected .image-checkbox {
  background: #000;
  border-color: #000;
}

.waterfall-item.selected .image-checkbox::after {
  content: '';
  width: 5px;
  height: 8px;
  border: solid #fff;
  border-width: 0 1px 1px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.waterfall-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: 11px;
  color: var(--accents-4);
  background: #fff;
  border-radius: 0 0 14px 14px;
}

.waterfall-meta span {
  font-family: 'Geist Mono', ui-monospace, monospace;
  color: var(--accents-5);
}

.copy-parent-id-btn {
  margin-left: auto;
  border: 1px solid var(--accents-2);
  background: #fff;
  color: var(--accents-6);
  border-radius: 999px;
  font-size: 10px;
  line-height: 1;
  padding: 4px 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-parent-id-btn:hover {
  border-color: var(--accents-4);
  color: var(--accents-8);
  background: var(--accents-1);
}

.copy-parent-id-btn.is-hidden {
  display: none;
}

html[data-theme='dark'] .waterfall-item {
  background: #111821;
  border: 1px solid #2b3440 !important;
}

html[data-theme='dark'] .waterfall-item:hover {
  border-color: #3c4756 !important;
}

html[data-theme='dark'] .waterfall-meta {
  background: #111821;
  color: #9aa8bc;
  border-top: 1px solid #2b3440;
}

html[data-theme='dark'] .waterfall-meta span {
  color: #c9d6e5;
}

html[data-theme='dark'] .copy-parent-id-btn {
  background: #1a2330;
  color: #d9e2ec;
  border-color: #3b4654;
}

html[data-theme='dark'] .copy-parent-id-btn:hover {
  background: #243244;
  border-color: #5d6a7b;
  color: #f2f6fa;
}

html[data-theme='dark'] .waterfall-item .image-checkbox {
  background: rgba(17, 24, 33, 0.92);
  border-color: #4b5767;
}

html[data-theme='dark'] .waterfall-item .image-checkbox:hover {
  background: rgba(26, 35, 48, 0.98);
  border-color: #94a3b8;
}

html[data-theme='dark'] .waterfall-item.selected .image-checkbox {
  background: #e6edf3;
  border-color: #e6edf3;
}

html[data-theme='dark'] .waterfall-item.selected .image-checkbox::after {
  border-color: #0f172a;
}


@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 图片放大预览 */
.image-lightbox {
  --keyboard-shift: 0px;
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
  animation: fadeIn 0.2s ease;
}

.image-lightbox.active {
  display: flex;
}

.image-lightbox img {
  max-width: 90%;
  max-height: calc(90% - var(--keyboard-shift));
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: translateY(calc(var(--keyboard-shift) * -0.35));
}

.image-lightbox.image-focus-mode img {
  max-width: 100vw;
  max-height: 100vh;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.image-lightbox.image-focus-mode .lightbox-editor,
.image-lightbox.image-focus-mode .lightbox-nav,
.image-lightbox.image-focus-mode .lightbox-close {
  opacity: 0;
  pointer-events: none;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-editor {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(calc(var(--keyboard-shift) * -1));
  z-index: 10001;
  width: min(1100px, calc(100vw - 32px));
  display: flex;
  flex-direction: row;
  align-items: stretch;
  padding: 10px;
  border-radius: 12px;
  background: rgba(16, 18, 24, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.lightbox-edit-layout {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 10px;
}

.lightbox-edit-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.lightbox-edit-main {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.lightbox-edit-input {
  flex: 1;
  min-height: 48px;
  max-height: 160px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 13px;
  line-height: 1.45;
  padding: 10px 12px;
  outline: none;
}

.lightbox-edit-input::placeholder {
  color: rgba(255, 255, 255, 0.62);
}

.lightbox-edit-input:focus {
  border-color: rgba(255, 255, 255, 0.44);
}

.lightbox-edit-send {
  height: 48px;
  min-width: 92px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.lightbox-edit-send:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-edit-send:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.lightbox-edit-progress-wrap {
  display: none;
  height: 8px;
  width: 100%;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
}

.lightbox-edit-progress-wrap.active {
  display: block;
}

.lightbox-edit-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #60a5fa 0%, #22d3ee 100%);
  transition: width 0.25s ease;
}

.lightbox-edit-progress-text {
  display: none;
  font-size: 12px;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.9);
  font-family: 'Geist Mono', ui-monospace, monospace;
}

.lightbox-edit-progress-text.active {
  display: block;
}

.lightbox-edit-progress-wrap.is-success .lightbox-edit-progress-bar {
  background: linear-gradient(90deg, #34d399 0%, #10b981 100%);
}

.lightbox-edit-progress-wrap.is-error .lightbox-edit-progress-bar {
  background: linear-gradient(90deg, #f87171 0%, #ef4444 100%);
}

.lightbox-history-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  min-height: 170px;
  max-height: 260px;
  overflow: hidden;
}

.lightbox-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.lightbox-history-title {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.lightbox-history-count {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.64);
}

.lightbox-history-empty {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.58);
  padding: 14px 10px;
}

.lightbox-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  overflow: auto;
}

.lightbox-history-list::-webkit-scrollbar {
  width: 6px;
}

.lightbox-history-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

.lightbox-history-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.03);
}

.lightbox-history-thumb {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  object-fit: cover;
  background: rgba(0, 0, 0, 0.22);
}

.lightbox-history-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lightbox-history-line {
  font-size: 11px;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.75);
}

.lightbox-history-line strong {
  color: rgba(255, 255, 255, 0.96);
}

.lightbox-history-prompt {
  font-size: 11px;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.66);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.lightbox-history-btn {
  height: 24px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 11px;
  padding: 0 8px;
  cursor: pointer;
}

.lightbox-history-btn:hover {
  background: rgba(255, 255, 255, 0.16);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10000;
  transition: all 0.2s;
  backdrop-filter: blur(10px);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.lightbox-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.lightbox-prev {
  left: 30px;
}

.lightbox-next {
  right: 30px;
}

.lightbox-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%);
}

@media (max-width: 768px) {
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }
  
  .lightbox-prev {
    left: 15px;
  }
  
  .lightbox-next {
    right: 15px;
  }

  .lightbox-editor {
    width: calc(100vw - 20px);
    left: 10px;
    transform: translateY(calc(var(--keyboard-shift) * -1));
    bottom: 10px;
    padding: 8px;
  }

  .lightbox-edit-layout {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .lightbox-history-panel {
    max-height: 220px;
  }

  .lightbox-edit-main {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .lightbox-edit-send {
    width: 100%;
  }
}

@media (max-width: 900px) {
  .imagine-top-grid {
    gap: 12px;
    margin-bottom: 12px;
  }

  .imagine-card,
  .imagine-card.settings-card {
    padding: 12px;
    border-radius: 12px;
  }

  .status-header-row,
  .card-title-row {
    margin-bottom: 8px;
    gap: 8px;
  }

  .waterfall-header {
    margin-bottom: 10px;
    min-height: 24px;
  }

  .waterfall {
    gap: 8px;
  }

  .waterfall-item,
  .waterfall-item img {
    border-radius: 10px;
  }

  .waterfall-item img {
    border-radius: 10px 10px 0 0;
  }

  .waterfall-meta {
    padding: 6px 8px;
    font-size: 10px;
    gap: 6px;
    border-radius: 0 0 10px 10px;
  }

  .copy-parent-id-btn {
    padding: 3px 7px;
    font-size: 9px;
  }

  .imagine-empty {
    min-height: 128px;
    padding: 18px 10px;
  }

  .settings-prompt .imagine-textarea {
    min-height: 84px;
  }

  .floating-actions {
    display: none !important;
  }
}

@media (max-width: 560px) {
  .waterfall {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .waterfall {
    grid-template-columns: 1fr;
  }
}

/* ============================
   移动端 Sticky Bar im-sticky-bar（<=900px）
   ============================ */
@media (max-width: 900px) {
  body {
    padding-bottom: 72px !important;
  }

  .im-sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 10px 16px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.07);
  }

  .im-sticky-bar-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 700px;
    margin: 0 auto;
  }

  .im-icon-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
  }

  .im-icon-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
  }

  .im-icon-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--fg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background .15s ease, border-color .15s ease;
    position: relative;
    padding: 0;
  }

  .im-icon-btn:active {
    background: var(--accents-1);
  }

  .im-icon-btn--danger {
    color: #ef4444;
    border-color: #fecaca;
  }

  .im-icon-btn--danger:active {
    background: #fef2f2;
  }

  .im-selected-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 999px;
    background: #ef4444;
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    display: none;
    pointer-events: none;
  }

  .im-selected-badge.visible {
    display: block;
  }

  .im-main-btn {
    height: 40px;
    padding: 0 18px;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    border-radius: 10px;
    min-width: 88px;
    justify-content: center;
  }

  .im-main-btn.is-stop {
    background: #fee2e2 !important;
    color: #ef4444 !important;
    border: 1px solid #fecaca !important;
  }

  .im-settings-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }

  .im-settings-overlay.active {
    display: block;
  }

  .im-settings-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 301;
    background: #fff;
    border-radius: 20px 20px 0 0;
    padding: 0 16px 24px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.18);
    transition: transform .28s cubic-bezier(.2, 0, 0, 1);
    transform: translateY(100%);
  }

  .im-settings-sheet.open {
    transform: translateY(0);
  }

  .im-settings-sheet-handle {
    display: flex;
    justify-content: center;
    padding: 12px 0 8px;
    cursor: pointer;
  }

  .im-settings-sheet-handle::after {
    content: '';
    width: 36px;
    height: 4px;
    border-radius: 999px;
    background: var(--border);
  }

  .im-settings-sheet-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--accents-7);
    margin-bottom: 14px;
    text-align: center;
  }
}

html[data-theme='dark'] .im-sticky-bar {
  background: #111821;
  border-top-color: #2b3440;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
}

html[data-theme='dark'] .im-icon-btn {
  background: #1a2330;
  border-color: #3b4654;
  color: #c9d6e5;
}

html[data-theme='dark'] .im-icon-btn:active {
  background: #243244;
}

html[data-theme='dark'] .im-main-btn.is-stop {
  background: #2d1414 !important;
  color: #f87171 !important;
  border-color: #7f1d1d !important;
}

html[data-theme='dark'] .im-settings-sheet {
  background: #111821;
  color: #e2e8f0;
}

/* Bottom Sheet 内设置项：单列布局 */
.im-settings-sheet .settings-grid {
  grid-template-columns: 1fr !important;
  grid-template-rows: auto !important;
}
.im-settings-sheet .settings-block {
  grid-column: 1 !important;
  grid-row: auto !important;
}
.im-settings-sheet .settings-row {
  grid-template-columns: 1fr 1fr;
}

/* 移动端 settings-card 只剩提示词时的布局调整 */
@media (max-width: 900px) {
  .settings-card .card-content {
    margin-bottom: 0;
  }
  .settings-card .settings-block-prompt {
    grid-column: 1 !important;
    grid-row: auto !important;
  }
}

/* ============================
   PC 端隐藏 Imagine 移动端专属组件
   ============================ */
.im-sticky-bar,
.im-settings-overlay {
  display: none !important;
}

@media (max-width: 900px) {
  .im-sticky-bar {
    display: flex !important;
  }
}

/* ============================
   Imagine Sticky Bar 样式分离修正
   （暗色主题和 Bottom Sheet 内规则严格在移动端生效）
   ============================ */
@media (max-width: 900px) {
  /* Bottom Sheet 内参数 */
  .im-settings-sheet .settings-grid {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto !important;
  }

  .im-settings-sheet .settings-block {
    grid-column: 1 !important;
    grid-row: auto !important;
  }

  .im-settings-sheet .settings-row {
    grid-template-columns: 1fr 1fr;
  }

  /* 暗色主题（移动端，sticky bar 可见时） */
  html[data-theme='dark'] .im-sticky-bar {
    background: #111821 !important;
    border-top-color: #2b3440 !important;
  }

  html[data-theme='dark'] .im-icon-btn {
    background: #1a2330 !important;
    border-color: #3b4654 !important;
    color: #c9d6e5 !important;
  }

  html[data-theme='dark'] .im-icon-btn:active {
    background: #243244 !important;
  }

  html[data-theme='dark'] .im-settings-sheet {
    background: #111821 !important;
    color: #e2e8f0 !important;
  }
}