.sp-chart {
  max-width: 960px;
  margin: 32px auto;
  padding: 24px;
  border: 1px solid #dbe4f0;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.sp-chart__heading {
  margin: 0 0 16px;
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  line-height: 1.35;
  color: #0f172a;
}

.sp-chart__canvas-wrap {
  position: relative;
}

.sp-chart__canvas {
  width: 100%;
  height: 100%;
}

.sp-chart__status,
.sp-chart__caption,
.sp-chart__source {
  margin: 12px 0 0;
  font-size: 0.93rem;
  line-height: 1.6;
}

.sp-chart__status {
  color: #475569;
}

.sp-chart__caption {
  color: #0f172a;
}

.sp-chart__source {
  color: #64748b;
}

.sp-chart__details {
  margin-top: 16px;
}

.sp-chart__details summary {
  cursor: pointer;
  color: #0f172a;
  font-weight: 600;
}

.sp-chart__table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

.sp-chart__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.sp-chart__table th,
.sp-chart__table td {
  padding: 10px 12px;
  border-bottom: 1px solid #dbe4f0;
  text-align: left;
}

.sp-chart-editor-preview {
  border: 1px dashed #94a3b8;
  border-radius: 16px;
  background: #f8fafc;
  padding: 20px;
}

.sp-chart-editor-preview__inner p {
  margin: 8px 0 0;
}

@media (max-width: 768px) {
  .sp-chart {
    padding: 18px;
    margin: 24px auto;
  }
}