/* Listing optimization center. Keep all selectors scoped to its page section. */

#optimization-center-panel {
  display: grid;
  /* 单列轨道锁定在面板宽度内，避免宽表格（如关键词展示 1480px 最小宽）撑开整个页面；
     超宽内容由 .keyword-showcase-table-scroll 自身的横向滚动条承接。 */
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

/* This component owns a grid layout, so keep its native hidden state explicit. */
#optimization-center-panel[hidden] {
  display: none;
}

#optimization-center-panel .optimization-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}

#optimization-center-panel .optimization-header h2 {
  margin: 4px 0 0;
  font-size: 1.45rem;
  font-family: var(--font-heading);
  color: var(--text-primary);
}

#optimization-center-panel .optimization-header .panel-subtitle {
  max-width: 760px;
}

#optimization-center-panel .optimization-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

#optimization-center-panel .diagnostic-progress-banner {
  position: sticky;
  top: 8px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
  padding: 14px 18px;
  border: 1px solid color-mix(in srgb, var(--amber) 55%, var(--border));
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.18), var(--surface-overlay-soft));
  box-shadow: 0 8px 24px rgba(245, 166, 35, 0.16);
}

#optimization-center-panel .diagnostic-progress-banner[hidden] {
  display: none;
}

#optimization-center-panel .diagnostic-progress-spinner {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid rgba(245, 166, 35, 0.28);
  border-top-color: var(--amber);
  animation: diagnostic-progress-spin 0.8s linear infinite;
}

#optimization-center-panel .diagnostic-progress-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#optimization-center-panel .diagnostic-progress-text strong {
  font-size: 14px;
  color: var(--text-primary);
}

#optimization-center-panel .diagnostic-progress-text span {
  font-size: 12px;
  color: var(--text-secondary);
}

@keyframes diagnostic-progress-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  #optimization-center-panel .diagnostic-progress-spinner { animation: none; }
}

#optimization-center-panel .optimization-workbench-shell {
  display: grid;
  gap: 14px;
}

#optimization-center-panel .optimization-action-row {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 2px 0 4px;
  border-top: 0;
}

#optimization-center-panel .optimization-action-assurance {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

#optimization-center-panel .revision-rewrite-mode {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 420px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.35;
  cursor: pointer;
}

#optimization-center-panel .revision-rewrite-mode input {
  margin: 0;
  flex: 0 0 auto;
}

#optimization-center-panel .revision-rewrite-mode span {
  display: grid;
  gap: 2px;
}

#optimization-center-panel .revision-rewrite-mode strong {
  color: var(--text-primary);
}

#optimization-center-panel .revision-rewrite-mode small {
  color: var(--text-secondary);
}

#optimization-center-panel .optimization-primary-actions {
  display: flex;
  justify-content: center;
  width: 100%;
}

#optimization-center-panel .optimization-primary-actions .primary-button {
  width: min(100%, 420px);
  min-height: 52px;
  font-size: 15px;
  font-weight: 750;
}

#optimization-center-panel .optimization-secondary-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

#optimization-center-panel .optimization-secondary-actions .ghost-button {
  min-height: 40px;
  padding: 8px 14px;
}

#optimization-center-panel .optimization-details-shell {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-surface);
  overflow: clip;
}

#optimization-center-panel .optimization-details-shell > summary {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  list-style: none;
}

#optimization-center-panel .optimization-details-shell > summary::-webkit-details-marker {
  display: none;
}

#optimization-center-panel .optimization-details-shell > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

#optimization-center-panel .optimization-details-body {
  padding: 0 14px 14px;
}

#optimization-center-panel details.optimization-foldout {
  border: 1px solid color-mix(in srgb, var(--border) 86%, transparent);
  border-radius: 18px;
  background: var(--surface-overlay-soft);
  overflow: clip;
}

#optimization-center-panel details.optimization-foldout[open] {
  background: var(--surface-overlay-soft);
}

#optimization-center-panel details.optimization-foldout > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 8px 12px;
  min-height: 40px;
  font-weight: 700;
  font-size: 12px;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--surface-overlay-soft), var(--surface-overlay-soft));
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  color: var(--text-primary);
}

#optimization-center-panel details.optimization-foldout > summary::-webkit-details-marker {
  display: none;
}

#optimization-center-panel .foldout-summary-meta {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0.9;
}

#optimization-center-panel .deterministic-reuse-notice {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

#optimization-center-panel .deterministic-reuse-notice[hidden] {
  display: none;
}

#optimization-center-panel .foldout-body {
  padding: 0 12px 12px;
}

#optimization-center-panel .raw-diagnostic-body,
#optimization-center-panel .scoring-detail-body,
#optimization-center-panel .revision-detail-body {
  display: grid;
  gap: 12px;
}

#optimization-center-panel .raw-issue-card {
  background: var(--surface-overlay-medium);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text-primary);
}

#optimization-center-panel .raw-issue-card.warning {
  border-color: rgba(245, 166, 35, 0.28);
  background: rgba(245, 166, 35, 0.06);
}

#optimization-center-panel .raw-issue-card.critical {
  border-color: rgba(239, 68, 68, 0.32);
  background: rgba(239, 68, 68, 0.08);
}

#optimization-center-panel .raw-issue-card .issue-term {
  color: var(--amber);
  font-weight: 700;
}

#optimization-center-panel .violation-card,
#optimization-center-panel .score-dim-card,
#optimization-center-panel .suggestion-card {
  background: var(--surface-overlay-medium);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
}

#optimization-center-panel .violation-card {
  padding: 12px 14px;
  margin-bottom: 8px;
}

#optimization-center-panel .score-dim-card {
  padding: 16px;
  margin-bottom: 12px;
}

#optimization-center-panel .suggestion-card {
  padding: 10px 12px;
  margin-bottom: 8px;
}

#optimization-center-panel .revision-execution-status {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-overlay-soft);
}

#optimization-center-panel .revision-execution-status.is-success { border-color: rgba(16, 185, 129, 0.5); }
#optimization-center-panel .revision-execution-status.is-preview { border-color: rgba(245, 158, 11, 0.55); }
#optimization-center-panel .revision-execution-status.is-error,
#optimization-center-panel .revision-execution-status.is-rejected { border-color: rgba(239, 68, 68, 0.55); }
#optimization-center-panel .revision-execution-meta { margin-top: 6px; color: var(--text-muted); font: 10px/1.5 var(--font-mono); word-break: break-all; }
#optimization-center-panel .revision-trace-json { max-height: 520px; overflow: auto; white-space: pre-wrap; word-break: break-word; font: 11px/1.55 var(--font-mono); color: var(--text-secondary); }
#optimization-center-panel .revision-candidate-preview { display: grid; gap: 8px; margin-top: 12px; }
#optimization-center-panel .revision-candidate-preview[hidden] { display: none; }
#optimization-center-panel .revision-candidate-preview-card { padding: 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
#optimization-center-panel .revision-candidate-preview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; margin-top: 6px; }
#optimization-center-panel .revision-preview-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
#optimization-center-panel .revision-preview-actions[hidden],
#previous-revision-candidate[hidden] { display: none; }
#optimization-center-panel .revision-fact-panel { margin: 12px 0; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-overlay-soft); }
#optimization-center-panel .revision-fact-panel.is-required { border-color: rgba(245, 158, 11, 0.6); }
#optimization-center-panel .revision-fact-questions { margin: 8px 0; padding-left: 20px; color: var(--text-secondary); font-size: 12px; line-height: 1.6; }
#optimization-center-panel .revision-fact-textarea { width: 100%; min-height: 84px; resize: vertical; }

#optimization-center-panel .optimization-support-grid {
  display: grid;
  gap: 6px;
}

#optimization-center-panel .byte-counter {
  color: var(--text-muted);
}

#optimization-center-panel .keyword-showcase-details {
  margin-top: 12px;
}

#optimization-center-panel .keyword-showcase-details > summary {
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.07), transparent 58%),
    var(--bg-surface);
}

#optimization-center-panel .keyword-showcase-details[open] > summary {
  border-bottom: 1px solid var(--border);
}

#optimization-center-panel #keyword-showcase-summary::after {
  content: "⌄";
  display: inline-block;
  margin-left: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  transition: transform 160ms ease;
}

#optimization-center-panel .keyword-showcase-details[open] #keyword-showcase-summary::after {
  transform: rotate(180deg);
}

#optimization-center-panel .keyword-showcase-body {
  padding-top: 14px;
}

#optimization-center-panel .keyword-showcase-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

#optimization-center-panel .keyword-showcase-summary-strip,
#optimization-center-panel .keyword-showcase-copy-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

#optimization-center-panel .keyword-showcase-summary-item {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-overlay-soft);
  color: var(--text-secondary);
  font-size: 10px;
}

#optimization-center-panel .keyword-showcase-summary-item strong {
  color: var(--text-primary);
  font: 700 14px/1 var(--font-mono);
}

#optimization-center-panel .keyword-showcase-summary-item.is-used {
  border-color: rgba(16, 185, 129, 0.32);
}

#optimization-center-panel .keyword-showcase-summary-item.is-unused {
  border-color: rgba(100, 116, 139, 0.32);
}

#optimization-center-panel .keyword-showcase-summary-item.is-attention {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.06);
}

#optimization-center-panel .keyword-copy-button,
#optimization-center-panel .keyword-showcase-pagination button {
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}

#optimization-center-panel .keyword-copy-button:hover,
#optimization-center-panel .keyword-showcase-pagination button:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  color: var(--text-primary);
}

#optimization-center-panel .keyword-copy-button:disabled,
#optimization-center-panel .keyword-showcase-pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

#optimization-center-panel .keyword-showcase-intro {
  margin: 0 0 10px;
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.6;
}

#optimization-center-panel .keyword-showcase-section {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-overlay-medium);
  overflow: clip;
}

#optimization-center-panel .keyword-showcase-section > h3,
#optimization-center-panel .keyword-showcase-section.is-unused > summary {
  margin: 0;
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 700;
}

#optimization-center-panel .keyword-showcase-section.is-unused > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  background: var(--surface-overlay-soft);
}

#optimization-center-panel .keyword-showcase-section.is-unused > summary::-webkit-details-marker {
  display: none;
}

#optimization-center-panel .keyword-showcase-section.is-unused > summary span {
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 500;
}

#optimization-center-panel .keyword-showcase-section.is-unused[open] > summary {
  border-bottom: 1px solid var(--border);
}

#optimization-center-panel .keyword-showcase-section-content {
  padding: 0 12px 12px;
}

#optimization-center-panel .keyword-showcase-section-help {
  margin: 0;
  padding: 8px 0;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.5;
}

#optimization-center-panel .keyword-showcase-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-surface);
}

#optimization-center-panel .keyword-showcase-table {
  width: 100%;
  min-width: 1600px;
  table-layout: fixed;
  border-collapse: collapse;
  color: var(--text-primary);
  font-size: 11px;
}

#optimization-center-panel .keyword-showcase-table th,
#optimization-center-panel .keyword-showcase-table td {
  padding: 9px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  text-align: left;
  vertical-align: top;
}

#optimization-center-panel .keyword-showcase-table tbody tr:last-child td {
  border-bottom: 0;
}

#optimization-center-panel .keyword-showcase-table tbody tr.is-attention {
  background: rgba(239, 68, 68, 0.045);
}

#optimization-center-panel .keyword-showcase-table th {
  background: var(--surface-overlay-soft);
  color: var(--text-muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

#optimization-center-panel .keyword-showcase-table .keyword-column {
  width: 13%;
}

#optimization-center-panel .keyword-showcase-table .zh-column {
  width: 9%;
}

#optimization-center-panel .keyword-showcase-table .searches-column {
  width: 7%;
}

#optimization-center-panel .keyword-showcase-table .relevance-column,
#optimization-center-panel .keyword-showcase-table .purchase-column,
#optimization-center-panel .keyword-showcase-table .supply-column {
  width: 6%;
}

#optimization-center-panel .keyword-showcase-table .competition-column {
  width: 7%;
}

#optimization-center-panel .keyword-showcase-table .cpc-column {
  width: 5%;
}

#optimization-center-panel .keyword-showcase-table .placement-column {
  width: 17%;
}

#optimization-center-panel .keyword-showcase-table .reason-column {
  width: 19%;
}

#optimization-center-panel .keyword-showcase-table .evidence-column {
  width: 5%;
}

/* 用 th/td 限定提高优先级，确保数值列与表头同为右对齐（否则被上方通用 td 的 text-align: left 覆盖） */
#optimization-center-panel .keyword-showcase-table th.metric-column,
#optimization-center-panel .keyword-showcase-table td.keyword-showcase-market-value-cell {
  text-align: right;
}

#optimization-center-panel .keyword-showcase-market-value-cell {
  white-space: nowrap;
  color: var(--text-primary);
  font: 700 11px/1.45 var(--font-mono);
}

#optimization-center-panel .keyword-showcase-keyword-cell {
  min-width: 0;
}

#optimization-center-panel .keyword-showcase-keyword-cell .keyword-copy-button {
  min-height: 22px;
  margin-top: 6px;
  padding: 2px 7px;
}

#optimization-center-panel .keyword-showcase-term {
  display: block;
  overflow-wrap: anywhere;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1.45;
}

#optimization-center-panel .keyword-showcase-term-zh {
  display: block;
  overflow-wrap: anywhere;
  color: var(--text-primary);
  font-size: 11px;
  line-height: 1.45;
}

#optimization-center-panel .keyword-showcase-term-zh.is-loading {
  color: color-mix(in srgb, var(--text-muted) 60%, transparent);
}

#optimization-center-panel .keyword-showcase-policy-badges,
#optimization-center-panel .keyword-showcase-placements {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

#optimization-center-panel .keyword-policy-badge,
#optimization-center-panel .keyword-placement-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 3px 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
}

#optimization-center-panel .keyword-policy-badge--must_use {
  border-color: rgba(16, 185, 129, 0.34);
  background: rgba(16, 185, 129, 0.1);
  color: #065f46;
}

#optimization-center-panel .keyword-policy-badge--can_use,
#optimization-center-panel .keyword-policy-badge--selected {
  border-color: rgba(59, 130, 246, 0.34);
  background: rgba(59, 130, 246, 0.1);
  color: #1e40af;
}

#optimization-center-panel .keyword-policy-badge--backend_only {
  border-color: rgba(139, 92, 246, 0.34);
  background: rgba(139, 92, 246, 0.1);
  color: #5b21b6;
}

#optimization-center-panel .keyword-policy-badge--ads_only,
#optimization-center-panel .keyword-policy-badge--forbidden,
#optimization-center-panel .keyword-policy-badge--conflict {
  border-color: rgba(239, 68, 68, 0.34);
  background: rgba(239, 68, 68, 0.1);
  color: #991b1b;
}

#optimization-center-panel .keyword-policy-badge--role,
#optimization-center-panel .keyword-policy-badge--unclassified {
  border-color: var(--border);
  background: var(--surface-overlay-soft);
  color: var(--text-secondary);
}

#optimization-center-panel .keyword-placement-badge.is-visible {
  border-color: rgba(20, 184, 166, 0.3);
  background: rgba(20, 184, 166, 0.09);
  color: #115e59;
}

#optimization-center-panel .keyword-placement-badge.is-backend {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.09);
  color: #5b21b6;
}

html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--must_use {
  color: #6ee7b7;
}

html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--can_use,
html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--selected {
  color: #bfdbfe;
}

html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--backend_only,
html[data-theme="dark"] #optimization-center-panel .keyword-placement-badge.is-backend {
  color: #ddd6fe;
}

html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--ads_only,
html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--forbidden,
html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--conflict {
  color: #fecaca;
}

html[data-theme="dark"] #optimization-center-panel .keyword-placement-badge.is-visible {
  color: #99f6e4;
}

html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--role,
html[data-theme="dark"] #optimization-center-panel .keyword-policy-badge--unclassified {
  color: var(--text-primary);
}

#optimization-center-panel .keyword-showcase-status-line,
#optimization-center-panel .keyword-showcase-placements {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

#optimization-center-panel .keyword-showcase-placements {
  margin-top: 6px;
}

#optimization-center-panel .keyword-showcase-status {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 3px 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
}

#optimization-center-panel .keyword-showcase-status.is-used {
  border-color: rgba(16, 185, 129, 0.34);
  background: rgba(16, 185, 129, 0.1);
  color: #065f46;
}

#optimization-center-panel .keyword-showcase-status.is-pending,
#optimization-center-panel .keyword-showcase-status.is-unused {
  border-color: rgba(100, 116, 139, 0.32);
  background: rgba(100, 116, 139, 0.08);
  color: var(--text-secondary);
}

#optimization-center-panel .keyword-showcase-status.is-conflict,
#optimization-center-panel .keyword-showcase-status.is-missing {
  border-color: rgba(239, 68, 68, 0.34);
  background: rgba(239, 68, 68, 0.1);
  color: #991b1b;
}

#optimization-center-panel .keyword-showcase-status.is-excluded {
  border-color: rgba(245, 158, 11, 0.36);
  background: rgba(245, 158, 11, 0.1);
  color: #92400e;
}

html[data-theme="dark"] #optimization-center-panel .keyword-showcase-status.is-used {
  color: #6ee7b7;
}

html[data-theme="dark"] #optimization-center-panel .keyword-showcase-status.is-conflict,
html[data-theme="dark"] #optimization-center-panel .keyword-showcase-status.is-missing {
  color: #fecaca;
}

html[data-theme="dark"] #optimization-center-panel .keyword-showcase-status.is-excluded {
  color: #fcd34d;
}

#optimization-center-panel .keyword-showcase-planned {
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.45;
}

#optimization-center-panel .keyword-showcase-reason-cell p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

#optimization-center-panel .keyword-showcase-evidence-details > summary {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  list-style: none;
  background: var(--surface-overlay-soft);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}

#optimization-center-panel .keyword-showcase-evidence-details > summary::-webkit-details-marker {
  display: none;
}

#optimization-center-panel .keyword-showcase-evidence-details[open] > summary {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  color: var(--text-primary);
}

#optimization-center-panel .keyword-showcase-evidence-body {
  display: grid;
  gap: 8px;
  min-width: 280px;
  margin-top: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-overlay-soft);
}

#optimization-center-panel .keyword-showcase-evidence-fact {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 8px;
  color: var(--text-muted);
  font-size: 9px;
  line-height: 1.45;
}

#optimization-center-panel .keyword-showcase-evidence-fact strong {
  overflow-wrap: anywhere;
  color: var(--text-secondary);
  font-weight: 600;
}

#optimization-center-panel .keyword-showcase-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

#optimization-center-panel .keyword-showcase-pagination span {
  color: var(--text-muted);
  font: 10px/1.4 var(--font-mono);
}

#optimization-center-panel .keyword-showcase-empty {
  padding: 22px 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: var(--surface-overlay-soft);
  text-align: center;
}

#optimization-center-panel .keyword-showcase-empty strong {
  color: var(--text-primary);
  font-size: 13px;
}

#optimization-center-panel .keyword-showcase-empty p {
  max-width: 560px;
  margin: 6px auto 0;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.6;
}

@media (max-width: 640px) {
  #optimization-center-panel .keyword-showcase-details > summary {
    align-items: flex-start;
    padding: 14px;
  }

  #optimization-center-panel .keyword-showcase-toolbar {
    align-items: stretch;
  }

  #optimization-center-panel .keyword-showcase-summary-strip,
  #optimization-center-panel .keyword-showcase-copy-actions {
    width: 100%;
  }

  #optimization-center-panel .keyword-showcase-copy-actions .keyword-copy-button {
    flex: 1;
  }

  #optimization-center-panel .keyword-showcase-section-content {
    padding-inline: 8px;
  }

  #optimization-center-panel .keyword-showcase-evidence-body {
    min-width: 260px;
  }
}