/* JSON Viewer — Base64-style mobile shell (≤768px only) */
@media (max-width: 768px) {
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .utility-studio.json-mobile-ready .tool-form,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .utility-studio.json-mobile-ready .tool-actions,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .utility-studio.json-mobile-ready #utilityOutput {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .utility-studio[data-utility-mode="json-viewer"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.85rem !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-mobile-shell {
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-editor {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    width: 100% !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-control-label {
    display: block !important;
    margin: 0 0 0.35rem !important;
    font-size: 0.68rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em !important;
    text-transform: uppercase !important;
    color: #64748b !important;
    line-height: 1.2 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-card {
    border: 1px solid #dbeafe !important;
    border-radius: 14px !important;
    background: linear-gradient(180deg, #fff 0%, #f8fbff 100%) !important;
    padding: 0.75rem !important;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 4px 14px rgba(37, 99, 235, 0.05) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-card-head {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0.5rem !important;
    margin-bottom: 0.45rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-card-title {
    margin: 0 !important;
    font-family: "Plus Jakarta Sans", Inter, ui-sans-serif, system-ui, sans-serif !important;
    font-size: 0.92rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    line-height: 1.2 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-helper,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-status {
    margin: 0 0 0.55rem !important;
    font-size: 0.82rem !important;
    line-height: 1.45 !important;
    color: #475569 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-input-actions {
    display: flex !important;
    gap: 0.35rem !important;
    flex-shrink: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-icon-btn,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-quiet-btn,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-secondary-btn,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-primary-btn,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-link-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.35rem !important;
    min-height: 42px !important;
    border-radius: 10px !important;
    font-size: 0.84rem !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-icon-btn {
    padding: 0 0.55rem !important;
    border: 1px solid #d1dbe8 !important;
    background: #fff !important;
    color: #0f172a !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-icon-btn span {
    font-size: 0.78rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-code-panel {
    display: block !important;
    position: relative !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 10px !important;
    background: #fff !important;
    overflow: hidden !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-input-gutter {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-textarea {
    display: block !important;
    width: 100% !important;
    min-height: 132px !important;
    max-height: 220px !important;
    padding: 0.65rem 0.75rem !important;
    border: 0 !important;
    background: transparent !important;
    resize: vertical !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !important;
    font-size: 0.84rem !important;
    line-height: 1.5 !important;
    color: #0f172a !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-quiet-btn {
    width: 100% !important;
    margin-top: 0.5rem !important;
    padding: 0 0.65rem !important;
    border: 1px dashed #cbd5e1 !important;
    background: #f8fafc !important;
    color: #334155 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-advanced {
    border: 1px solid #e2e8f0 !important;
    border-radius: 12px !important;
    background: #fff !important;
    overflow: hidden !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-advanced-summary {
    padding: 0.7rem 0.8rem !important;
    font-size: 0.84rem !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    cursor: pointer !important;
    list-style: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-advanced-summary::-webkit-details-marker {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-advanced-body {
    display: grid !important;
    gap: 0.65rem !important;
    padding: 0 0.8rem 0.8rem !important;
    border-top: 1px solid #e2e8f0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-select {
    width: 100% !important;
    min-height: 42px !important;
    padding: 0 0.65rem !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 10px !important;
    background: #fff !important;
    font-size: 0.84rem !important;
    color: #0f172a !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-metrics-wrap {
    border: 1px solid #e2e8f0 !important;
    border-radius: 12px !important;
    padding: 0.7rem !important;
    background: #fff !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-metrics {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.45rem !important;
    margin-top: 0.45rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-metrics .jfmt-metric {
    min-width: 0 !important;
    padding: 0.45rem 0.5rem !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    background: #f8fafc !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-metrics .jfmt-label {
    display: block !important;
    font-size: 0.64rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em !important;
    text-transform: uppercase !important;
    color: #64748b !important;
    margin-bottom: 0.15rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-metrics .jfmt-metric strong {
    display: block !important;
    font-size: 0.78rem !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    line-height: 1.25 !important;
    word-break: break-word !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-output-badges {
    display: flex !important;
    gap: 0.35rem !important;
    flex-shrink: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-status-badge,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-stale-badge {
    display: inline-flex !important;
    align-items: center !important;
    min-height: 24px !important;
    padding: 0 0.45rem !important;
    border-radius: 999px !important;
    font-size: 0.68rem !important;
    font-weight: 800 !important;
    letter-spacing: 0.03em !important;
    text-transform: uppercase !important;
    background: rgba(148, 163, 184, 0.18) !important;
    color: #475569 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-status-badge.is-success {
    background: rgba(34, 197, 94, 0.16) !important;
    color: #15803d !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-status-badge.is-error {
    background: rgba(239, 68, 68, 0.14) !important;
    color: #b91c1c !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-status-badge.is-pending {
    background: rgba(59, 130, 246, 0.14) !important;
    color: #1d4ed8 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-stale-badge {
    background: rgba(245, 158, 11, 0.16) !important;
    color: #b45309 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-stale-badge[hidden],
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] [data-jfmt-stale][hidden] {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-tree-panel {
    position: relative !important;
    margin-top: 0.35rem !important;
    padding: 0.65rem 0.75rem !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 10px !important;
    background: linear-gradient(180deg, #f8fafc, #f1f5f9) !important;
    overflow: hidden !important;
    max-height: min(52vh, 420px) !important;
    display: flex !important;
    flex-direction: column !important;
    min-height: 0 !important;
    -webkit-overflow-scrolling: touch !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-tree-panel.is-stale {
    opacity: 0.92 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-stale-overlay {
    position: absolute !important;
    inset: 0 !important;
    z-index: 2 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 1rem !important;
    border-radius: 10px !important;
    background: rgba(248, 250, 252, 0.88) !important;
    color: #475569 !important;
    font-size: 0.82rem !important;
    font-weight: 650 !important;
    text-align: center !important;
    backdrop-filter: blur(2px) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-stale-overlay[hidden] {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-toolbar {
    display: grid !important;
    gap: 0.45rem !important;
    margin-bottom: 0.55rem !important;
    flex: 0 0 auto !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-search-row,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-expand-row {
    display: flex !important;
    align-items: center !important;
    gap: 0.35rem !important;
    flex-wrap: wrap !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-search {
    flex: 1 1 120px !important;
    min-width: 0 !important;
    min-height: 34px !important;
    padding: 0.35rem 0.55rem !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 8px !important;
    background: #fff !important;
    color: #0f172a !important;
    font-size: 0.8rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-search-count {
    font-size: 0.72rem !important;
    font-weight: 700 !important;
    color: #64748b !important;
    min-width: 3rem !important;
    text-align: center !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-toolbar-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.25rem !important;
    min-height: 32px !important;
    padding: 0.25rem 0.5rem !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 8px !important;
    background: #fff !important;
    color: #334155 !important;
    font-size: 0.72rem !important;
    font-weight: 650 !important;
    cursor: pointer !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-toolbar-btn:disabled {
    opacity: 0.45 !important;
    cursor: not-allowed !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-valid {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-scroll {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow: auto !important;
    border-radius: 10px !important;
    border: 1px solid #e2e8f0 !important;
    background: #fff !important;
    -webkit-overflow-scrolling: touch !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-rows {
    padding: 0.35rem 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-node-line {
    display: flex !important;
    align-items: flex-start !important;
    flex-wrap: wrap !important;
    gap: 0.3rem 0.35rem !important;
    padding: 0.28rem 0.45rem 0.28rem calc(0.45rem + var(--jview-indent, 0px)) !important;
    min-height: 30px !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace !important;
    font-size: 0.78rem !important;
    line-height: 1.45 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-node-main {
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 0.2rem 0.3rem !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-node-actions {
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 0.28rem !important;
    flex: 1 1 100% !important;
    margin: 0.05rem 0 0 calc(20px + var(--jview-indent, 0px)) !important;
    padding: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-act {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.22rem !important;
    min-height: 24px !important;
    padding: 0.12rem 0.42rem !important;
    border: 1px solid #bfdbfe !important;
    border-radius: 999px !important;
    background: linear-gradient(180deg, #fff 0%, #f0f7ff 100%) !important;
    color: #1d4ed8 !important;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif !important;
    font-size: 0.64rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.03em !important;
    text-transform: uppercase !important;
    line-height: 1 !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent !important;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.95) inset !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-act:active {
    transform: translateY(1px) !important;
    background: #dbeafe !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-act--value {
    color: #15803d !important;
    border-color: #bbf7d0 !important;
    background: linear-gradient(180deg, #fff 0%, #f0fdf4 100%) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-act--key {
    color: #7c3aed !important;
    border-color: #ddd6fe !important;
    background: linear-gradient(180deg, #fff 0%, #f5f3ff 100%) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-act svg,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-act i[data-lucide] {
    width: 11px !important;
    height: 11px !important;
    flex: 0 0 auto !important;
    stroke-width: 2.25 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-type-tag {
    display: inline-flex !important;
    align-items: center !important;
    margin-left: 0.15rem !important;
    padding: 0.06rem 0.32rem !important;
    border-radius: 4px !important;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif !important;
    font-size: 0.58rem !important;
    font-weight: 800 !important;
    letter-spacing: 0.04em !important;
    text-transform: lowercase !important;
    line-height: 1.2 !important;
    vertical-align: middle !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-type-tag.jview-t-string {
    color: #166534 !important;
    background: rgba(34, 197, 94, 0.12) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-type-tag.jview-t-number {
    color: #b45309 !important;
    background: rgba(245, 158, 11, 0.12) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-type-tag.jview-t-boolean {
    color: #6d28d9 !important;
    background: rgba(139, 92, 246, 0.12) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-type-tag.jview-t-null {
    color: #475569 !important;
    background: rgba(148, 163, 184, 0.16) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-node-row.is-search-match .jview-node-line {
    background: rgba(254, 243, 199, 0.45) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-node-row.is-search-current .jview-node-line {
    background: rgba(191, 219, 254, 0.55) !important;
    outline: 1px solid rgba(37, 99, 235, 0.35) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-toggle {
    display: grid !important;
    place-items: center !important;
    width: 20px !important;
    height: 20px !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 4px !important;
    background: transparent !important;
    color: #64748b !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-toggle-spacer {
    width: 20px !important;
    flex-shrink: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-k {
    color: #0369a1 !important;
    font-weight: 700 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-k-index {
    color: #7c3aed !important;
    font-weight: 650 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-colon {
    color: #94a3b8 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-meta {
    color: #64748b !important;
    font-weight: 600 !important;
    font-size: 0.74rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-prim {
    word-break: break-word !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-t-string {
    color: #15803d !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-t-number {
    color: #b45309 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-t-boolean {
    color: #7c3aed !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-t-null {
    color: #64748b !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-validator-cta {
    margin-top: 0.55rem !important;
    width: 100% !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-waiting {
    display: grid !important;
    gap: 0.65rem !important;
    place-items: center !important;
    text-align: center !important;
    padding: 1rem 0.5rem !important;
    color: #64748b !important;
    font-size: 0.84rem !important;
    line-height: 1.5 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-waiting[hidden],
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-valid[hidden],
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-invalid[hidden] {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-invalid-hero {
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.65rem !important;
    margin-bottom: 0.65rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-icon {
    display: grid !important;
    place-items: center !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 10px !important;
    flex-shrink: 0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-icon-waiting {
    background: rgba(148, 163, 184, 0.16) !important;
    color: #64748b !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-icon-valid {
    background: rgba(34, 197, 94, 0.14) !important;
    color: #16a34a !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-icon-invalid {
    background: rgba(239, 68, 68, 0.12) !important;
    color: #dc2626 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-invalid-title {
    margin: 0 !important;
    font-size: 0.95rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    line-height: 1.2 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-invalid-headline {
    margin: 0.15rem 0 0 !important;
    font-size: 0.8rem !important;
    color: #475569 !important;
    line-height: 1.4 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-metrics {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.45rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-result-metric {
    display: grid !important;
    gap: 0.1rem !important;
    padding: 0.45rem 0.5rem !important;
    border-radius: 8px !important;
    background: #fff !important;
    border: 1px solid #e2e8f0 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-result-metric-label {
    font-size: 0.64rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em !important;
    text-transform: uppercase !important;
    color: #64748b !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-result-metric strong {
    font-size: 0.8rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-invalid-message {
    margin: 0 0 0.55rem !important;
    padding: 0.55rem 0.65rem !important;
    border-radius: 8px !important;
    background: rgba(254, 242, 242, 0.9) !important;
    border: 1px solid rgba(254, 202, 202, 0.9) !important;
    color: #991b1b !important;
    font-size: 0.82rem !important;
    line-height: 1.45 !important;
    font-weight: 550 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-invalid-excerpt {
    border-radius: 8px !important;
    border: 1px solid #fecaca !important;
    background: #fff !important;
    padding: 0.45rem 0 !important;
    overflow: auto !important;
    max-height: 140px !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
    font-size: 0.76rem !important;
    line-height: 1.45 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-excerpt-line {
    display: grid !important;
    grid-template-columns: 2rem 1fr !important;
    gap: 0.4rem !important;
    padding: 0.1rem 0.55rem !important;
    color: #334155 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-excerpt-line.is-error-line {
    background: #fef2f2 !important;
    color: #991b1b !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-excerpt-no {
    color: #94a3b8 !important;
    text-align: right !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-excerpt-pointer {
    grid-column: 2 !important;
    color: #dc2626 !important;
    white-space: pre !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-preview-fold {
    margin-top: 0.55rem !important;
    padding: 0.55rem 0.65rem !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 10px !important;
    background: #fff !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-preview-fold[hidden] {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-preview-fold summary {
    cursor: pointer !important;
    font-size: 0.8rem !important;
    font-weight: 700 !important;
    color: #334155 !important;
    list-style: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-preview-hint {
    font-weight: 550 !important;
    color: #94a3b8 !important;
    font-size: 0.72rem !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jval-preview-code {
    display: block !important;
    max-height: 160px !important;
    overflow: auto !important;
    margin: 0.45rem 0 0 !important;
    padding: 0.55rem 0.65rem !important;
    border-radius: 8px !important;
    border: 1px solid #e2e8f0 !important;
    background: #0f172a !important;
    color: #e2e8f0 !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
    font-size: 0.76rem !important;
    line-height: 1.45 !important;
    white-space: pre-wrap !important;
    word-break: break-word !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-mobile-hint {
    margin: 0 0 0.55rem !important;
    font-size: 0.82rem !important;
    line-height: 1.45 !important;
    color: #475569 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-structure-card[hidden] {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-waiting {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-valid .jview-tree-metrics {
    display: none !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-actions {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.45rem !important;
    width: 100% !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-primary-btn {
    grid-column: 1 / -1 !important;
    min-height: 46px !important;
    border: 0 !important;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
    color: #fff !important;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28) !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-secondary-btn {
    padding: 0 0.55rem !important;
    border: 1px solid #cbd5e1 !important;
    background: #fff !important;
    color: #0f172a !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-secondary-btn:disabled,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-result-btn:disabled {
    opacity: 0.45 !important;
    cursor: not-allowed !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-reset-btn {
    grid-column: 1 / -1 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-link-btn {
    grid-column: 1 / -1 !important;
    padding: 0 0.65rem !important;
    border: 1px solid #dbeafe !important;
    background: #eff6ff !important;
    color: #1d4ed8 !important;
  }

  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-actions svg,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-input-actions svg,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .b64-mobile-quiet-btn svg,
  html.json-mobile-responsive body.flux-tool-developer-tools main[data-tool="json-viewer"] .jview-tree-icon svg {
    width: 16px !important;
    height: 16px !important;
    flex: 0 0 auto !important;
  }
}