.label-toggle-label {
  margin-right: 0.5rem;
  font-size: 0.95rem;
  font-family: "Barlow", sans-serif;
}

.label-toggle {
  display: inline-flex;
  vertical-align: middle;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #cbd5e1;
}

.label-toggle-btn {
  margin: 0;
  padding: 0.45rem 0.9rem;
  border: none;
  border-right: 1px solid #cbd5e1;
  background: #f8fafc;
  cursor: pointer;
  font: inherit;
  line-height: 1.2;
  font-family: "Barlow", sans-serif;
}

.label-toggle-btn:last-child {
  border-right: none;
}

.label-toggle-btn:hover {
  background: #f1f5f9;
}

.label-toggle-btn.is-selected {
  background: #E12827;
  color: #f8fafc;
}

.label-toggle-btn:focus-visible {
  outline: 2px solid #222222;
  outline-offset: 2px;
  z-index: 1;
}

h1 {
  font-family: "Barlow", sans-serif;
  font-size: 2em;
}

h2 {
  font-weight: 400;
  font-size: 1.3em;
}

body {
  font-family: "Barlow", sans-serif;
  position: relative;
  padding: 5px;
  width: 100%;
  max-width: 630px;
  margin: 0 auto;
}

#chart {
  font-family: "Barlow", sans-serif;
  display: flex;
  justify-content: center;
  position: relative;
  padding: 0;
}

.bubble-tooltip {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  background: rgba(17, 24, 39, 0.95);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  font-family: "Barlow", sans-serif;
  font-size: 0.82rem;
  line-height: 1.35;
  white-space: nowrap;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
}

#legend {
  font-family: "Barlow", sans-serif;
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.35rem 0 0;
}

.legend-item {
  font-weight: 600;
}

.legend-label {
  fill: #1f2937;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.legend-swatch {
  stroke: rgba(17, 24, 39, 0.2);
  stroke-width: 0.8;
}

#source {
  font-family: "Barlow", sans-serif;
  font-size: 0.75rem;
  color: #475569;
  margin-top: 0.5rem;
  height: 80px;
}