:root {
  --json-primary: #0284c7;
  --json-primary-hover: #0369a1;
  --json-bg-card: #ffffff;
  --json-border: #e2e8f0;
  --json-text-main: #0f172a;
  --json-text-muted: #64748b;
  --json-pill-bg: #f1f5f9;
  --json-pill-hover: #e2e8f0;
  --json-result-bg: #f8fafc;
  --json-pass-bg: #dcfce7;
  --json-pass-border: #86efac;
  --json-pass-text: #166534;
  --json-err-bg: #fee2e2;
  --json-err-border: #fca5a5;
  --json-err-text: #991b1b;
  --json-diff-add: #dcfce7;
  --json-diff-del: #fee2e2;
  --json-diff-mod: #fef3c7;
}

.json-tool-container {
  max-width: 900px;
  margin: 0 auto 3rem auto;
  font-family: inherit;
  color: var(--json-text-main);
}

.json-editor-card {
  background: var(--json-bg-card);
  border: 1px solid var(--json-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.json-mode-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--json-border);
}

.json-mode-btn {
  background: var(--json-pill-bg);
  border: 1px solid var(--json-border);
  color: var(--json-text-muted);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.json-tab-active {
  background: var(--json-primary);
  border-color: var(--json-primary);
  color: #ffffff;
}

.json-presets-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.json-presets-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--json-text-muted);
}

.json-pill-btn {
  background: var(--json-pill-bg);
  border: 1px solid var(--json-border);
  color: var(--json-text-main);
  border-radius: 9999px;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.json-pill-btn:hover {
  background: var(--json-pill-hover);
  border-color: var(--json-primary);
}

.json-options-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.json-opt-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--json-text-main);
}

.json-opt-group select {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--json-border);
  border-radius: 6px;
  background: var(--json-bg-card);
  color: var(--json-text-main);
  font-size: 0.85rem;
}

.json-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--json-text-main);
  cursor: pointer;
}

.json-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.json-section-header label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--json-text-main);
}

.json-status-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--json-text-muted);
}

.json-input-section textarea,
.json-diff-col textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--json-border);
  border-radius: 8px;
  background: var(--json-bg-card);
  color: var(--json-text-main);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  box-sizing: border-box;
}

.json-input-section textarea:focus,
.json-diff-col textarea:focus {
  outline: none;
  border-color: var(--json-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.json-diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 680px) {
  .json-diff-grid {
    grid-template-columns: 1fr;
  }
}

.json-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.json-primary-btn {
  flex: 2;
  background: var(--json-primary);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.json-primary-btn:hover {
  background: var(--json-primary-hover);
}

.json-secondary-btn,
.json-tertiary-btn {
  background: var(--json-pill-bg);
  color: var(--json-text-main);
  border: 1px solid var(--json-border);
  border-radius: 8px;
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.json-secondary-btn:hover,
.json-tertiary-btn:hover {
  background: var(--json-pill-hover);
}

.json-results-card {
  background: var(--json-result-bg);
  border: 1px solid var(--json-border);
  border-radius: 12px;
  padding: 1.75rem;
}

.json-status-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  border: 1px solid transparent;
  margin-bottom: 1.5rem;
}

.json-banner-pass {
  background: var(--json-pass-bg);
  border-color: var(--json-pass-border);
  color: var(--json-pass-text);
}

.json-banner-err {
  background: var(--json-err-bg);
  border-color: var(--json-err-border);
  color: var(--json-err-text);
}

.json-status-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.json-status-content strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.json-status-content p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.4;
}

.json-sub-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: var(--json-text-main);
}

.json-code-box {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--json-border);
  border-radius: 8px;
  background: var(--json-bg-card);
  color: var(--json-text-main);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  box-sizing: border-box;
  resize: vertical;
}

.json-diff-table-wrap {
  overflow-x: auto;
}

.json-diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.json-diff-table th,
.json-diff-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--json-border);
}

.json-diff-table th {
  background: var(--json-pill-bg);
  font-weight: 700;
  color: var(--json-text-muted);
}

.diff-add { background: var(--json-diff-add); }
.diff-del { background: var(--json-diff-del); }
.diff-mod { background: var(--json-diff-mod); }

.json-output-section,
.json-diff-results {
  display: block;
}

.json-ad {
  overflow: hidden;
  min-height: 280px;
  margin: 32px 0;
  text-align: center;
}
/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --json-primary: #81bcda;
  --json-primary-hover: #69aed4;
  --json-bg-card: var(--tf-surface);
  --json-border: var(--tf-surface);
  --json-text-main: var(--tf-ink);
  --json-text-muted: var(--tf-ink-faint);
  --json-pill-bg: var(--tf-surface);
  --json-pill-hover: var(--tf-surface);
  --json-result-bg: var(--tf-surface);
  --json-pass-bg: var(--tf-surface);
  --json-pass-border: #81daa1;
  --json-pass-text: #59cf86;
  --json-err-bg: var(--tf-surface);
  --json-err-border: #da8181;
  --json-err-text: #d77676;
  --json-diff-add: var(--tf-surface);
  --json-diff-del: var(--tf-surface);
  --json-diff-mod: var(--tf-surface);
}