.coord-plane-demo__canvas {
  display: block;
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--paper) 84%, #f8fafc 16%);
  touch-action: none;
}

.coord-plane-demo__readout,
.coord-plane-demo__summary {
  margin: 0.7rem 0 0;
  text-align: center;
  color: var(--soft-ink);
  font-size: 0.92rem;
}

.coord-plane-demo__readout .katex,
.coord-plane-demo__summary .katex {
  font-size: 1em;
}

.coord-empty-plane {
  margin: 1rem 0 1.25rem;
}

.coord-empty-plane svg {
  display: block;
  width: min(100%, 520px);
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.coord-empty-plane__bg {
  fill: #f8fafc;
}

.coord-empty-plane__grid-small {
  stroke: rgba(71, 85, 105, 0.16);
  stroke-width: 1;
}

.coord-empty-plane__grid-major {
  stroke: rgba(71, 85, 105, 0.28);
  stroke-width: 1.2;
}

.coord-empty-plane__axis {
  stroke: #0f172a;
  stroke-width: 2.2;
}

.coord-empty-plane__axis-arrow {
  fill: #0f172a;
}

.coord-empty-plane__axis-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  fill: #334155;
}

.coord-empty-plane__origin-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  fill: #0f172a;
}

.coord-empty-plane__quad-title {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 700;
  fill: #b91c1c;
}

.coord-empty-plane__quad-sign {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  fill: #0f172a;
}

[data-theme="dark"] .coord-plane-demo__canvas {
  border-color: rgba(148, 163, 184, 0.5);
  background: #0f172a;
}

[data-theme="dark"] .coord-plane-demo__readout,
[data-theme="dark"] .coord-plane-demo__summary {
  color: #e2e8f0;
}

[data-theme="dark"] .coord-empty-plane svg {
  border-color: rgba(148, 163, 184, 0.5);
}

[data-theme="dark"] .coord-empty-plane__bg {
  fill: #0f172a;
}

[data-theme="dark"] .coord-empty-plane__grid-small {
  stroke: rgba(148, 163, 184, 0.2);
}

[data-theme="dark"] .coord-empty-plane__grid-major {
  stroke: rgba(148, 163, 184, 0.34);
}

[data-theme="dark"] .coord-empty-plane__axis,
[data-theme="dark"] .coord-empty-plane__axis-arrow,
[data-theme="dark"] .coord-empty-plane__quad-sign,
[data-theme="dark"] .coord-empty-plane__origin-label {
  stroke: #f8fafc;
  fill: #f8fafc;
}

[data-theme="dark"] .coord-empty-plane__axis-label {
  fill: #cbd5e1;
}

[data-theme="dark"] .coord-empty-plane__quad-title {
  fill: #fda4af;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .coord-plane-demo__canvas {
    border-color: rgba(148, 163, 184, 0.5);
    background: #0f172a;
  }

  :root:not([data-theme="light"]) .coord-plane-demo__readout,
  :root:not([data-theme="light"]) .coord-plane-demo__summary {
    color: #e2e8f0;
  }

  :root:not([data-theme="light"]) .coord-empty-plane svg {
    border-color: rgba(148, 163, 184, 0.5);
  }

  :root:not([data-theme="light"]) .coord-empty-plane__bg {
    fill: #0f172a;
  }

  :root:not([data-theme="light"]) .coord-empty-plane__grid-small {
    stroke: rgba(148, 163, 184, 0.2);
  }

  :root:not([data-theme="light"]) .coord-empty-plane__grid-major {
    stroke: rgba(148, 163, 184, 0.34);
  }

  :root:not([data-theme="light"]) .coord-empty-plane__axis,
  :root:not([data-theme="light"]) .coord-empty-plane__axis-arrow,
  :root:not([data-theme="light"]) .coord-empty-plane__quad-sign,
  :root:not([data-theme="light"]) .coord-empty-plane__origin-label {
    stroke: #f8fafc;
    fill: #f8fafc;
  }

  :root:not([data-theme="light"]) .coord-empty-plane__axis-label {
    fill: #cbd5e1;
  }

  :root:not([data-theme="light"]) .coord-empty-plane__quad-title {
    fill: #fda4af;
  }
}