.p5-exercise {
  margin: 1.5rem 0 2rem;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid rgba(30, 126, 52, 0.35);
  border-radius: 0.75rem;
  background: #f7f8ef;
  box-shadow: 0 2px 8px rgba(14, 74, 30, 0.08);
}

.p5-exercise-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #1e7e34;
  margin-bottom: 0.25rem;
}

.p5-exercise-title {
  font-size: 1.15rem;
  margin: 0 0 0.65rem;
  font-family: inherit;
}

.p5-exercise-prompt {
  font-size: 0.98rem;
  margin-bottom: 0.85rem;
}

.p5-exercise-prompt p:last-child {
  margin-bottom: 0;
}

.p5-exercise-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.p5-exercise-stage {
  margin-top: 0.5rem;
}

.p5-exercise-canvas {
  display: flex;
  justify-content: center;
  margin: 0.5rem 0 0.85rem;
  padding: 0.5rem;
  background: #fff;
  border-radius: 0.5rem;
  border: 1px solid rgba(30, 126, 52, 0.18);
  overflow: auto;
}

.p5-exercise-canvas canvas {
  display: block;
  max-width: 100%;
  height: auto !important;
}

.p5-exercise-code {
  margin-top: 0.5rem;
}

.p5-exercise-code summary {
  cursor: pointer;
  font-weight: 600;
  color: #284d36;
  margin-bottom: 0.4rem;
}

.p5-exercise-code pre {
  margin: 0;
  padding: 0.85rem 1rem;
  background: #1e2420;
  color: #e8f0e3;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.45;
}

.p5-exercise-error {
  color: #a33;
  margin: 0.5rem;
}

[data-bs-theme="dark"] .p5-exercise,
.dark .p5-exercise {
  background: #1a221c;
  border-color: rgba(110, 184, 127, 0.35);
}

[data-bs-theme="dark"] .p5-exercise-canvas,
.dark .p5-exercise-canvas {
  background: #121612;
}