.ai-excel-agent-panel {
  --ea-accent: var(--ct-green, #16a34a);
}

.ai-ea-layout {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.2fr);
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 991.98px) {
  .ai-ea-layout {
    grid-template-columns: 1fr;
  }
}

.ai-ea-ai-settings {
  margin-bottom: 0.75rem;
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: 0.375rem;
  background: var(--bs-tertiary-bg, #f8f9fa);
}

.ai-ea-ai-settings summary {
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.ai-ea-ai-settings-body {
  padding: 0 0.75rem 0.75rem;
}

.ai-ea-ai-settings-row {
  margin-bottom: 0.5rem;
}

.ai-ea-ai-key-hint.is-warning {
  color: var(--bs-warning-text-emphasis, #997404);
}

.ai-ea-upload,
.ai-ea-sheet-wrap,
.ai-ea-instruction-wrap {
  margin-bottom: 0.85rem;
}

.ai-ea-meta {
  margin-top: 0.35rem;
  line-height: 1.4;
}

.ai-ea-samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.ai-ea-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ai-ea-status {
  margin-top: 0.65rem;
  min-height: 1.25rem;
}

.ai-ea-status.is-error {
  color: var(--bs-danger, #dc3545);
}

.ai-ea-section-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.ai-ea-plan-box,
.ai-ea-preview-box {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: 0.375rem;
  padding: 0.85rem;
  background: var(--bs-body-bg, #fff);
  margin-bottom: 0.85rem;
}

.ai-ea-plan-summary {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.ai-ea-plan-steps {
  margin: 0 0 0.5rem;
  padding-left: 1.2rem;
  font-size: 0.875rem;
}

.ai-ea-plan-warnings {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--bs-warning-text-emphasis, #997404);
  font-size: 0.8rem;
}

.ai-ea-preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.ai-ea-table-wrap {
  overflow: auto;
  max-height: 420px;
}

.ai-ea-preview-table {
  font-size: 0.8rem;
  margin-bottom: 0;
  white-space: nowrap;
}

.ai-ea-preview-table th {
  position: sticky;
  top: 0;
  background: var(--bs-tertiary-bg, #f8f9fa);
  z-index: 1;
}