.bmg-graphs [hidden] { display: none !important; }
.bmg-graphs {
  --bmg-paper: #fffefa;
  --bmg-ink: #243e45;
  --bmg-border: #d9ded8;
  --bmg-accent: #176e64;
  position: relative;
  isolation: isolate;
  min-width: 0;
  color: var(--bmg-ink);
  background: var(--bmg-paper);
  border: 1px solid var(--bmg-border);
  border-radius: .5rem;
  font: 14px/1.5 system-ui, sans-serif;
}
.bmg-graphs *, .bmg-graphs *::before { box-sizing: border-box; }
.bmg-graphs button, .bmg-graphs select {
  min-height: 28px;
  padding: .15rem .4rem;
  color: inherit;
  background: var(--bmg-paper);
  border: 1px solid var(--bmg-border);
  border-radius: .25rem;
  font: inherit;
}
.bmg-graphs button { cursor: pointer; }
.bmg-graphs button:hover { border-color: var(--bmg-accent); }
.bmg-graphs :focus-visible { outline: 2px solid var(--bmg-accent); outline-offset: 3px; }
.bmg-toolbar { display: flex; align-items: center; gap: .35rem; padding: .35rem .45rem; border-bottom: 1px solid var(--bmg-border); }
.bmg-panel-toolbar { gap: .2rem; padding: 0; border: 0; }
.bmg-graphs .bmg-panel-toolbar button { font-size: 11px; }
.bmg-sidebar {
  position: absolute;
  top: 40px;
  left: 0;
  z-index: 2;
  width: min(280px, 100%);
  padding: .5rem;
  background: var(--bmg-paper);
  border-right: 1px solid var(--bmg-border);
}
.bmg-sidebar label { display: flex; align-items: center; gap: .35rem; margin: .25rem 0; }
.bmg-sidebar input { accent-color: var(--bmg-accent); }
.bmg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr)); min-width: 0; }
.bmg-panel { position: relative; min-width: 0; padding: .4rem; border: 1px solid var(--bmg-border); }
.bmg-panel-header { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem; }
.bmg-panel-header h3 { margin: 0 auto 0 0; font-size: .9rem; }
.bmg-axes {
  position: absolute;
  z-index: 3;
  padding: .3rem;
  background: var(--bmg-paper);
  border: 1px solid var(--bmg-border);
  border-radius: .3rem;
  box-shadow: 0 3px 12px #0002;
}
.bmg-axes label { display: inline-flex; align-items: center; gap: .2rem; }
.bmg-axis-select { min-width: 90px; }
.bmg-axis-select option { padding: .2rem .45rem; }
.bmg-surface { display: block; width: 100%; height: auto; min-height: 220px; touch-action: none; user-select: none; overflow: hidden; }
.bmg-gridline { stroke: var(--bmg-border); stroke-width: 1; }
.bmg-axis-label { fill: var(--bmg-ink); font-size: 14px; cursor: pointer; }
.bmg-axis-label:hover, .bmg-axis-label:focus { fill: var(--bmg-accent); }
.bmg-axis-line { stroke: var(--bmg-ink); stroke-width: 1.5; pointer-events: none; }
.bmg-axis-label, .bmg-math-label, .bmg-graphs .bmg-axis-select {
  font-family: "Cambria Math", "STIX Two Math", "Latin Modern Math", "Times New Roman", serif;
}
.bmg-curve { fill: none; stroke-width: 2; stroke-linejoin: round; }
.bmg-point { stroke: var(--bmg-paper); stroke-width: 2; cursor: grab; }
.bmg-point:active { cursor: grabbing; }
.bmg-point:focus { stroke: var(--bmg-ink); stroke-width: 3; }
.bmg-legend { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .85rem; }
.bmg-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
@media (max-width: 540px) {
  .bmg-panel { padding: .3rem; }
  .bmg-graphs button, .bmg-graphs select { min-height: 36px; }
  .bmg-sidebar { top: 48px; }
}

.bmg-tooltip {
  position: fixed;
  z-index: 10000;
  box-sizing: border-box;
  max-width: min(26rem, calc(100vw - 16px));
  max-height: calc(100dvh - 16px);
  overflow: auto;
  padding: .4rem .6rem;
  border: 1px solid #53616c;
  border-radius: .4rem;
  background: #172831;
  color: #fff;
  font: .9rem/1.55 system-ui, sans-serif;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  box-shadow: 0 5px 20px #0002;
}
.bmg-tooltip[hidden], .bmg-graphs [hidden] { display: none !important; }
.bmg-math-term {
  cursor: help;
  pointer-events: all;
}
svg .bmg-math-term { pointer-events: bounding-box; }
.bmg-math-borders {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  pointer-events: none;
  z-index: 9998;
}
.bmg-math-border {
  position: absolute;
  box-sizing: border-box;
  pointer-events: none;
  border: 1px solid var(--bmg-math-border, #17857855);
  border-radius: 3px;
}
.bmg-math-border.bmg-math-border-active {
  border-color: var(--bmg-math-active-border, #178578);
  border-width: 2px;
}