.sdof-app {
  margin: 1.5rem 0;
  border: 1px solid var(--bs-border-color, #ccc);
  border-radius: 0.5rem;
  padding: 1rem;
  background: var(--bs-body-bg, #fff);
}

.sdof-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.75rem 1.25rem;
  align-items: end;
  margin-bottom: 0.75rem;
}

.sdof-control-group {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
}

.sdof-control-group label {
  margin-bottom: 0.25rem;
}

.sdof-control-group input[type="range"] {
  width: 100%;
}

.sdof-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.sdof-buttons button {
  padding: 0.4rem 0.9rem;
  border-radius: 0.35rem;
  border: 1px solid var(--bs-border-color, #ccc);
  background: var(--bs-tertiary-bg, #f0f0f0);
  color: var(--bs-body-color, #222);
  cursor: pointer;
  font-size: 0.9rem;
}

.sdof-buttons button:hover {
  filter: brightness(0.95);
}

.sdof-readout {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  align-items: center;
}

.sdof-canvas3d {
  width: 100%;
  height: 280px;
  border-radius: 0.4rem;
  overflow: hidden;
  background: #dfe6ec;
  margin-bottom: 1rem;
}

.sdof-canvas3d canvas {
  display: block;
}

.sdof-graphs {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  flex-wrap: wrap;
}

.sdof-graph-container {
  flex: 1 1 0;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sdof-graph-container canvas {
  width: 100%;
  height: 200px;
  background: #ffffff;
  border: 1px solid #ccc;
  border-radius: 0.35rem;
}

.sdof-graph-title {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--bs-body-color, #333);
  text-align: center;
}

@media (max-width: 820px) {
  .sdof-graphs {
    flex-direction: column;
  }
}