/* ── Page ── */
body {
  font-family: "Roboto", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: transparent;
  color: #1e1e2e;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

/* ── Vega container ── */
#vis.vega-embed {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* ── Binding panel (all controls) ── */
.vega-bindings {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.75rem;
  padding: 0.75rem 0;
  margin-bottom: 0.5rem;
}

/* DOM order: 1=Finetuning, 2=Language, 3=Split, 4=Metric, 5=Share Y */
/* Row 1: Finetuning + Metric */
.vega-bind:nth-child(1) {
  order: 1;
}

.vega-bind:nth-child(4) {
  order: 2;
}

/* Row 2: Language + Share Y */
.vega-bind:nth-child(2) {
  order: 4;
}

.vega-bind:nth-child(5) {
  order: 5;
}

/* Row 3: Split */
.vega-bind:nth-child(3) {
  order: 7;
}

/* Invisible line breaks between rows */
.vega-bindings::before {
  content: "";
  flex-basis: 100%;
  height: 0;
  order: 3;
}

.vega-bindings::after {
  content: "";
  flex-basis: 100%;
  height: 0;
  order: 6;
}

/* Each binding row */
.vega-bind {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

/* ── Labels ── */
.vega-bind-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #666;
  margin-right: 0.1rem;
  white-space: nowrap;
}

/* ── Radio buttons ── */
.vega-bind input[type="radio"] {
  -webkit-appearance: none;
  appearance: none;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  position: absolute;
  opacity: 0;
}

.vega-bind label:has(input[type="radio"]) {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  color: #888;
  cursor: pointer;
  border-radius: 3px;
  transition: color 0.15s ease, background 0.15s ease;
  user-select: none;
}

.vega-bind label:has(input[type="radio"]):hover {
  color: #333;
  background: #f0f0f0;
}

.vega-bind label:has(input[type="radio"]:checked) {
  color: #fff;
  background: var(--md-typeset-a-color, #4051b5);
  font-weight: 500;
}

/* ── Checkbox ── */
.vega-bind:has(input[type="checkbox"]) {
  align-items: center;
}

.vega-bind input[type="checkbox"] {
  accent-color: var(--md-typeset-a-color, #4051b5);
  cursor: pointer;
  margin: 0;
}

/* ── Legend ── */
.vega-legend {
  cursor: pointer;
}

.vega-legend-title {
  font-size: 0.82rem;
  font-weight: 500;
  fill: #424242;
}