:root {
  /* This app has no dark theme yet — without this, OS-level dark mode triggers
     the browser's forced-dark repaint heuristic, which crushes CodeMirror's
     subtle same-hue active-line highlight (e.g. #f8fafc on a near-white editor
     background) to indistinguishable. */
  color-scheme: light;

  --color-teal-700: #0f766e;
  --color-teal-600: #0d9488;
  --color-teal-50:  #f0fdfa;
  --color-amber:    #d97706;
  --color-slate-200: #e2e8f0;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-800: #1e293b;
  --color-purple:   #7c3aed;
  --color-purple-50: #ede9fe;
}

/* Shared panel chrome — keeps CodeMirror panels (JSON-LD, Turtle, ...) framed by
   equal-height header/footer bars so their editors align top and bottom, and
   ensures every panel label renders in the same font. */
.sem-panel-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #334155;
}

.sem-panel-bar {
  padding: 0.5rem 0.75rem;
  background: #f8fafc;
  flex-shrink: 0;
  box-sizing: border-box;
}

/* Fixed (not min-) height, in px rather than rem: the JSON-LD header's natural
   content (label + fetch row) renders 1px taller than a clean rem value would
   round to, so both bars are pinned to that exact measured height — this is
   what makes the two editors' tops/bottoms coincide pixel-for-pixel. */
.sem-panel-bar--header {
  border-bottom: 1px solid #e2e8f0;
  height: 71.4px;
  overflow: hidden;
}

.sem-panel-bar--footer {
  border-top: 1px solid #e2e8f0;
  height: 44.8px;
  overflow: hidden;
}