[data-tool-root="keyboard-rollover-test"] {
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --gray-50: #fbfbfb;
  --gray-100: #f7f7f7;
  --gray-150: #f2f2f2;
  --gray-200: #eeeeee;
  --gray-300: #dddddd;
  --gray-400: #bbbbbb;
  --gray-500: #999999;
  --gray-600: #666666;
  --gray-700: #444444;
  --gray-800: #222222;
  --gray-900: #111111;
  --bg-canvas: #ffffff;
  --bg-workspace: #f2f2f2;
  --bg-result-surface: #ffffff;
  --bg-hover: #eeeeee;
  --bg-active: #111111;
  --text-primary: #111111;
  --text-secondary: #444444;
  --text-tertiary: #666666;
  --text-on-dark: #ffffff;
  --border: #dddddd;
  --border-strong: #222222;
  --success: #276749;
  --danger: #a12424;
  --info: #315f7d;
  --warning: #805300;
  --radius-sm: 4px;
  --radius: 6px;
  --radius-round: 999px;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: 0 360px 48px 30px;
  color: var(--text-primary);
  background: var(--bg-canvas);
  font-family: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

[data-tool-root="keyboard-rollover-test"],
[data-tool-root="keyboard-rollover-test"] *,
[data-tool-root="keyboard-rollover-test"] *::before,
[data-tool-root="keyboard-rollover-test"] *::after {
  box-sizing: border-box;
}

[data-tool-root="keyboard-rollover-test"] .tool-page-header {
  padding: 24px 0 16px;
  border-bottom: 1px solid var(--border);
}

[data-tool-root="keyboard-rollover-test"] .tool-page-header h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

[data-tool-root="keyboard-rollover-test"] .page-description {
  margin: 4px 0 0;
  color: var(--text-tertiary);
}

[data-tool-root="keyboard-rollover-test"] .tool-workspace {
  margin-top: 16px;
}

[data-tool-root="keyboard-rollover-test"] .workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: stretch;
  gap: 16px;
}

[data-tool-root="keyboard-rollover-test"] .input-panel,
[data-tool-root="keyboard-rollover-test"] .result-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 16px 24px;
  background: var(--bg-workspace);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

[data-tool-root="keyboard-rollover-test"] .panel-label {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
}

[data-tool-root="keyboard-rollover-test"] .field {
  margin-bottom: 12px;
}

[data-tool-root="keyboard-rollover-test"] .field label {
  display: block;
  margin-bottom: 4px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

[data-tool-root="keyboard-rollover-test"] .field-help,
[data-tool-root="keyboard-rollover-test"] .field-error {
  margin: 4px 0 0;
  font-size: 13px;
}

[data-tool-root="keyboard-rollover-test"] .field-help {
  color: var(--text-tertiary);
}

[data-tool-root="keyboard-rollover-test"] .field-error {
  color: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] .field-error[hidden] {
  display: none;
}

[data-tool-root="keyboard-rollover-test"] input,
[data-tool-root="keyboard-rollover-test"] select {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  color: var(--text-primary);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
}

[data-tool-root="keyboard-rollover-test"] input[aria-invalid="true"] {
  border-color: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] input:focus,
[data-tool-root="keyboard-rollover-test"] select:focus {
  border-color: var(--border-strong);
}

[data-tool-root="keyboard-rollover-test"] :focus-visible {
  outline: 2px solid var(--border-strong);
  outline-offset: 2px;
}

[data-tool-root="keyboard-rollover-test"] .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

[data-tool-root="keyboard-rollover-test"] .setup-actions {
  margin: 0 0 8px;
}

[data-tool-root="keyboard-rollover-test"] .btn {
  min-width: 88px;
  min-height: 40px;
  padding: 0 16px;
  color: var(--text-primary);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: 600 14px/1.2 inherit;
  cursor: pointer;
}

[data-tool-root="keyboard-rollover-test"] .btn:hover {
  background: var(--bg-hover);
  border-color: var(--gray-400);
}

[data-tool-root="keyboard-rollover-test"] .btn-primary {
  color: var(--text-on-dark);
  background: var(--bg-active);
  border-color: var(--bg-active);
}

[data-tool-root="keyboard-rollover-test"] .btn-primary:hover {
  background: var(--gray-800);
}

[data-tool-root="keyboard-rollover-test"] .btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

[data-tool-root="keyboard-rollover-test"] .capture-zone {
  display: flex;
  min-height: 276px;
  flex-direction: column;
  justify-content: center;
  margin: 8px 0 0;
  padding: 18px;
  background: var(--bg-canvas);
  border: 1px dashed var(--gray-400);
  border-radius: var(--radius);
  cursor: default;
}

[data-tool-root="keyboard-rollover-test"] .capture-zone:focus-visible {
  background: var(--gray-50);
  border-color: var(--border-strong);
  border-style: solid;
}

[data-tool-root="keyboard-rollover-test"] .capture-zone__header {
  text-align: center;
}

[data-tool-root="keyboard-rollover-test"] .capture-zone__header strong {
  display: block;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.25;
}

[data-tool-root="keyboard-rollover-test"] .capture-zone__header p {
  margin: 6px 0 0;
  color: var(--text-tertiary);
}

[data-tool-root="keyboard-rollover-test"] .capture-live-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 18px 0 0;
  padding: 12px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

[data-tool-root="keyboard-rollover-test"] .capture-live-band > div {
  min-width: 0;
  padding: 0 10px;
  text-align: center;
}

[data-tool-root="keyboard-rollover-test"] .capture-live-band > div + div {
  border-left: 1px solid var(--border);
}

[data-tool-root="keyboard-rollover-test"] .capture-live-band dt {
  color: var(--text-tertiary);
  font-size: 12px;
}

[data-tool-root="keyboard-rollover-test"] .capture-live-band dd {
  margin: 2px 0 0;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

[data-tool-root="keyboard-rollover-test"] .progress-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

[data-tool-root="keyboard-rollover-test"] .progress-track {
  height: 10px;
  overflow: hidden;
  background: var(--gray-200);
  border: 1px solid var(--border);
  border-radius: var(--radius-round);
}

[data-tool-root="keyboard-rollover-test"] .progress-fill {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: var(--info);
  transition: width 120ms ease;
}

[data-tool-root="keyboard-rollover-test"] .progress-text {
  min-width: 42px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

[data-tool-root="keyboard-rollover-test"] .active-key-list,
[data-tool-root="keyboard-rollover-test"] .token-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

[data-tool-root="keyboard-rollover-test"] .token {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 2px 9px;
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

[data-tool-root="keyboard-rollover-test"] .token.is-missing {
  color: var(--danger);
  background: #fff5f5;
  border-color: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] .token.is-placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

[data-tool-root="keyboard-rollover-test"] .status-line {
  min-height: 26px;
  margin-top: 10px;
  color: var(--text-secondary);
}

[data-tool-root="keyboard-rollover-test"] .status-line[data-kind="success"] {
  color: var(--success);
}

[data-tool-root="keyboard-rollover-test"] .status-line[data-kind="error"] {
  color: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] .result-summary {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  padding: 20px;
  background: var(--bg-result-surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gray-400);
  border-radius: var(--radius);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="info"] {
  border-left-color: var(--info);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="warning"] {
  border-left-color: var(--warning);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="success"] {
  border-left-color: var(--success);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="danger"] {
  border-left-color: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] .result-summary__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

[data-tool-root="keyboard-rollover-test"] .result-summary__eyebrow {
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 700;
}

[data-tool-root="keyboard-rollover-test"] .result-badge {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  color: var(--text-on-dark);
  background: var(--gray-700);
  border-radius: var(--radius-round);
  font-size: 13px;
  font-weight: 700;
}

[data-tool-root="keyboard-rollover-test"] .result-badge::before {
  width: 8px;
  height: 8px;
  margin-right: 7px;
  content: "";
  background: transparent;
  border: 2px solid currentColor;
  border-radius: var(--radius-round);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="info"] .result-badge {
  background: var(--info);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="warning"] .result-badge {
  background: var(--warning);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="success"] .result-badge {
  background: var(--success);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="success"] .result-badge::before {
  background: currentColor;
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="danger"] .result-badge {
  background: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] .result-primary {
  margin-top: 24px;
}

[data-tool-root="keyboard-rollover-test"] .result-primary__label {
  display: block;
  color: var(--text-secondary);
  font-weight: 700;
}

[data-tool-root="keyboard-rollover-test"] .result-primary__value {
  display: block;
  margin-top: 2px;
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="info"] .result-primary__value {
  color: var(--info);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="warning"] .result-primary__value {
  color: var(--warning);
}

[data-tool-root="keyboard-rollover-test"] .result-summary[data-state="success"] .result-primary__value {
  color: var(--success);
}

[data-tool-root="keyboard-rollover-test"] .result-primary__secondary {
  display: block;
  margin-top: 6px;
  color: var(--text-tertiary);
}

[data-tool-root="keyboard-rollover-test"] .result-data-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 20px 0 0;
  padding: 16px 12px;
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

[data-tool-root="keyboard-rollover-test"] .result-data-band > div {
  min-width: 0;
  padding: 0 12px;
}

[data-tool-root="keyboard-rollover-test"] .result-data-band > div + div {
  border-left: 1px solid var(--border);
}

[data-tool-root="keyboard-rollover-test"] .result-data-band dt {
  color: var(--text-tertiary);
  font-size: 13px;
}

[data-tool-root="keyboard-rollover-test"] .result-data-band dd {
  margin: 2px 0 0;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

[data-tool-root="keyboard-rollover-test"] .result-summary__note {
  margin: 16px 0 0;
  color: var(--text-secondary);
}

[data-tool-root="keyboard-rollover-test"] .result-summary__actions {
  margin-top: auto;
  padding-top: 16px;
}

[data-tool-root="keyboard-rollover-test"] .desc-section,
[data-tool-root="keyboard-rollover-test"] .related-tools {
  margin-top: 32px;
}

[data-tool-root="keyboard-rollover-test"] .desc-section h2,
[data-tool-root="keyboard-rollover-test"] .related-tools h2 {
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--gray-900);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

[data-tool-root="keyboard-rollover-test"] .card-block {
  padding: 20px 24px;
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

[data-tool-root="keyboard-rollover-test"] .grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

[data-tool-root="keyboard-rollover-test"] .combination-lists h3,
[data-tool-root="keyboard-rollover-test"] .comparison-block h3,
[data-tool-root="keyboard-rollover-test"] .acc-panel h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
}

[data-tool-root="keyboard-rollover-test"] .comparison-block {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

[data-tool-root="keyboard-rollover-test"] .comparison-list {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

[data-tool-root="keyboard-rollover-test"] .comparison-row {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(100px, 1fr) auto;
  align-items: center;
  gap: 10px;
}

[data-tool-root="keyboard-rollover-test"] .comparison-track {
  height: 10px;
  overflow: hidden;
  background: var(--gray-200);
  border-radius: var(--radius-round);
}

[data-tool-root="keyboard-rollover-test"] .comparison-fill {
  display: block;
  width: var(--fill, 0%);
  height: 100%;
  background: var(--info);
}

[data-tool-root="keyboard-rollover-test"] .comparison-row[data-tone="success"] .comparison-fill {
  background: var(--success);
}

[data-tool-root="keyboard-rollover-test"] .comparison-row[data-tone="danger"] .comparison-fill {
  background: var(--danger);
}

[data-tool-root="keyboard-rollover-test"] .comparison-row[data-tone="muted"] .comparison-fill {
  background: var(--gray-500);
}

[data-tool-root="keyboard-rollover-test"] .comparison-block > p {
  margin: 12px 0 0;
  color: var(--text-secondary);
}

[data-tool-root="keyboard-rollover-test"] .acc {
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

[data-tool-root="keyboard-rollover-test"] .acc + .acc {
  margin-top: 8px;
}

[data-tool-root="keyboard-rollover-test"] .acc summary {
  padding: 13px 16px;
  font-weight: 700;
  cursor: pointer;
}

[data-tool-root="keyboard-rollover-test"] .acc-panel {
  padding: 0 16px 16px;
  color: var(--text-secondary);
}

[data-tool-root="keyboard-rollover-test"] .acc-panel p {
  margin: 0;
}

[data-tool-root="keyboard-rollover-test"] .acc-panel p + p,
[data-tool-root="keyboard-rollover-test"] .acc-panel h3 {
  margin-top: 12px;
}

[data-tool-root="keyboard-rollover-test"] .faq-group {
  display: contents;
}

[data-tool-root="keyboard-rollover-test"] .source-list {
  margin: 8px 0 0;
  padding-left: 20px;
}

[data-tool-root="keyboard-rollover-test"] a {
  color: var(--text-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

[data-tool-root="keyboard-rollover-test"] .related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding-top: 4px;
}

[data-tool-root="keyboard-rollover-test"] .related-links a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 10px 12px;
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
}

[data-tool-root="keyboard-rollover-test"] .related-links a:hover {
  background: var(--gray-200);
}

[data-tool-root="keyboard-rollover-test"] .category-link {
  margin: 12px 0 0;
}

[data-tool-root="keyboard-rollover-test"] .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  [data-tool-root="keyboard-rollover-test"] {
    padding-right: 8px;
    padding-left: 8px;
  }
}

@media (max-width: 720px) {
  [data-tool-root="keyboard-rollover-test"] .workspace-grid,
  [data-tool-root="keyboard-rollover-test"] .grid-3,
  [data-tool-root="keyboard-rollover-test"] .related-links {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  [data-tool-root="keyboard-rollover-test"] .input-panel,
  [data-tool-root="keyboard-rollover-test"] .result-panel,
  [data-tool-root="keyboard-rollover-test"] .card-block {
    padding: 14px 12px;
  }

  [data-tool-root="keyboard-rollover-test"] .result-data-band {
    grid-template-columns: 1fr;
  }

  [data-tool-root="keyboard-rollover-test"] .result-data-band > div {
    padding: 8px 0;
  }

  [data-tool-root="keyboard-rollover-test"] .result-data-band > div + div {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

@media (max-width: 430px) {
  [data-tool-root="keyboard-rollover-test"] .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  [data-tool-root="keyboard-rollover-test"] .btn {
    width: 100%;
    min-height: 44px;
  }

  [data-tool-root="keyboard-rollover-test"] .capture-live-band {
    grid-template-columns: 1fr;
  }

  [data-tool-root="keyboard-rollover-test"] .capture-live-band > div {
    padding: 7px 0;
  }

  [data-tool-root="keyboard-rollover-test"] .capture-live-band > div + div {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  [data-tool-root="keyboard-rollover-test"] .comparison-row {
    grid-template-columns: 72px minmax(80px, 1fr) auto;
    gap: 7px;
  }

  [data-tool-root="keyboard-rollover-test"] .tool-page-header h1 {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-tool-root="keyboard-rollover-test"] .progress-fill {
    transition: none;
  }
}