.ui-panel {
  min-width: 0;
  background: var(--color-bg-panel);
  color: var(--color-text-primary);
}

.ui-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--toolbar-height);
  padding: 0 var(--space-4);
}

.ui-panel__title {
  margin: 0;
  color: var(--color-text-primary);
  font-size: var(--text-md);
  font-weight: 500;
  line-height: var(--line-md);
}

.ui-icon {
  display: block;
  width: var(--icon-size);
  height: var(--icon-size);
  flex: 0 0 auto;
}

.ui-icon--mirror-x {
  transform: scaleX(-1);
}

.ui-button,
.ui-icon-button,
.ui-input,
.ui-textarea,
.ui-segmented,
.ui-choice-card,
.ui-list-item,
.ui-status-badge {
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  corner-shape: var(--corner-shape-superellipse);
}

.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: var(--control-height);
  min-height: var(--control-height);
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, opacity .16s ease;
}

.ui-button:hover {
  background: var(--color-bg-hover);
}

.ui-button:focus-visible,
.ui-icon-button:focus-visible,
.ui-input:focus-visible,
.ui-textarea:focus-visible,
.ui-choice-card:focus-visible,
.ui-list-item:focus-visible {
  outline: none;
  border-color: var(--color-border-strong);
}

.ui-button--primary {
  background: var(--color-text-primary);
  color: var(--color-bg-canvas);
}

.ui-button--primary:hover {
  background: #ededed;
}

.ui-button--ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.ui-button--danger {
  color: var(--color-danger);
}

.ui-button:disabled,
.ui-icon-button:disabled,
.ui-input:disabled,
.ui-textarea:disabled,
.ui-choice-card:disabled {
  color: var(--color-text-disabled);
  cursor: not-allowed;
  opacity: .6;
}

.ui-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-button-size);
  height: var(--icon-button-size);
  padding: 0;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.ui-icon-button:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

/* 统一交互按钮高度；内容型卡片按钮保留自身比例。 */
button.ui-button,
button.ui-icon-button {
  height: 32px;
  min-height: 32px;
}

button.ui-icon-button {
  width: 32px;
  min-width: 32px;
  padding: 0;
}

.ui-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ui-field__label {
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  line-height: var(--line-xs);
}

.ui-input,
.ui-textarea {
  width: 100%;
  border-color: var(--color-border-default);
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.ui-input {
  min-height: var(--control-height);
  padding: var(--space-2) var(--space-3);
}

.ui-textarea {
  min-height: 116px;
  padding: var(--space-3);
  resize: vertical;
  line-height: var(--line-sm);
}

.ui-input::placeholder,
.ui-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.ui-segmented {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-height: var(--control-height);
  padding: var(--space-1);
  background: var(--color-bg-elevated);
}

.ui-segmented__item {
  flex: 1 1 0;
  min-height: 32px;
  padding: 0 var(--space-2);
  border: 0;
  border-radius: var(--radius-sm);
  corner-shape: var(--corner-shape-superellipse);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.ui-segmented__item:hover,
.ui-segmented__item[aria-selected="true"] {
  background: var(--color-bg-active);
  color: var(--color-text-primary);
}

.ui-choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.ui-choice-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  gap: var(--space-1);
  padding: var(--space-2);
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.ui-choice-card:hover,
.ui-choice-card[aria-pressed="true"] {
  border-color: var(--color-border-default);
  background: var(--color-bg-active);
  color: var(--color-text-primary);
}

.ui-choice-card__preview {
  display: block;
  width: 100%;
  min-height: 24px;
  color: currentColor;
}

.ui-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.ui-list-item {
  display: flex;
  align-items: center;
  min-height: 40px;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: left;
}

.ui-list-item:hover {
  background: rgba(255, 255, 255, .04);
}

.ui-list-item[aria-current="true"] {
  background: var(--color-bg-active);
  color: var(--color-text-primary);
}

.ui-list-item__content {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  min-width: 0;
  flex: 1 1 auto;
}

.ui-list-item__title,
.ui-list-item__meta {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ui-list-item__title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: inherit;
  font-size: var(--text-sm);
}

.ui-list-item__meta {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
}

.ui-status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
}

.ui-status-badge[data-status="completed"] {
  color: var(--color-success);
}

.ui-status-badge[data-status="processing"] {
  color: var(--color-warning);
}

.ui-status-badge[data-status="error"] {
  color: var(--color-danger);
}

.ui-workbench-progress {
  display: flex;
  align-items: flex-start;
  width: 100%;
}

.ui-workbench-progress__step {
  position: relative;
  display: flex;
  flex: 1 1 0;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  text-align: left;
}

.ui-workbench-progress__step[data-state="complete"] {
  color: var(--color-progress-complete);
}

.ui-workbench-progress__step[data-state="current"] {
  color: var(--color-progress-current);
}

.ui-workbench-progress__step[data-state="upcoming"] {
  color: var(--color-progress-upcoming);
}

.ui-workbench-progress__step:focus-visible {
  outline: none;
}

.ui-workbench-progress__step:focus-visible .ui-workbench-progress__dot {
  outline: 1px solid var(--color-border-strong);
  outline-offset: 3px;
}

.ui-workbench-progress__dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border: 0;
  border-radius: 50%;
  background: var(--color-bg-panel);
  color: inherit;
  font-size: 10px;
  line-height: 1;
}

.ui-workbench-progress__step[data-state="complete"] .ui-workbench-progress__dot {
  background: var(--color-progress-complete);
  color: var(--color-bg-canvas);
}

.ui-workbench-progress__step[data-state="complete"] .ui-workbench-progress__dot svg {
  width: 16px;
  height: 16px;
}

.ui-workbench-progress__step[data-state="current"] .ui-workbench-progress__dot {
  background: var(--color-progress-current);
  color: var(--color-bg-canvas);
}

.ui-workbench-progress__label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--text-xs);
}

.ui-thumbnail {
  position: relative;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border-radius: var(--radius-md);
  corner-shape: var(--corner-shape-superellipse);
  background: var(--color-bg-elevated);
}

.ui-thumbnail > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border-subtle);
}

.ui-drawer {
  background: var(--color-bg-panel);
  box-shadow: var(--shadow-md);
}

/* Keep the curve rule available for custom components in the workbench. */
.superellipse-corners {
  border-radius: var(--radius-md);
  corner-shape: var(--corner-shape-superellipse);
}