.stats-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.5rem;
  align-items: flex-start;
}

@media (max-width: 1080px) {
  .stats-layout {
    grid-template-columns: 1fr;
  }
}

.stats-controls form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stats-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.stats-controls textarea {
  width: 100%;
  min-height: 210px;
  font-family: ui-monospace, SFMono-Regular, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.stats-inline-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.stats-switch-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.stats-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.stats-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stats-actions .button {
  white-space: nowrap;
}

.stats-error {
  color: #b00020;
  min-height: 1.2em;
}

.stats-summary {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stats-placeholder {
  color: rgba(58, 70, 99, 0.7);
  margin: 0;
}

#result-card[data-has-results="true"] .stats-placeholder {
  display: none;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.stats-table th,
.stats-table td {
  border: 1px solid var(--calc-border, #d8dde6);
  padding: 0.4rem 0.55rem;
  text-align: left;
}

.stats-table th {
  background: var(--calc-surface-muted, #f5f7fb);
}

.stats-table td {
  word-break: break-word;
}

.stats-visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

@media (max-width: 960px) {
  .stats-visual-grid {
    grid-template-columns: 1fr;
  }
}

.stats-visual-grid canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #f9fbff;
  border: 1px solid var(--calc-border, #d8dde6);
  border-radius: 8px;
}

.stats-teacher-list {
  margin: 0;
  padding-left: 1.2rem;
}

#steps {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

#steps li {
  line-height: 1.45;
}