.quarto-simulator {
  --qp-border: #d0d7de;
  --qp-muted: #57606a;
  --qp-header-bg: #f6f8fa;
  --qp-accent: #447099;
  margin: 1.5rem 0;
  border: 1px solid var(--qp-border);
  border-radius: 6px;
  background: #fff;
  font-size: 0.9rem;
}

.quarto-simulator .qp-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--qp-border);
  background: var(--qp-header-bg);
  border-radius: 6px 6px 0 0;
}

.quarto-simulator .qp-toolbar-right {
  display: flex;
  gap: 0.4rem;
  margin-left: auto;
}

.quarto-simulator .qp-btn {
  font: inherit;
  font-size: 0.85rem;
  line-height: 1.2;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--qp-border);
  border-radius: 4px;
  background: #fff;
  color: #24292f;
  cursor: pointer;
}

.quarto-simulator .qp-btn:hover:not(:disabled) {
  background: #f3f4f6;
}

.quarto-simulator .qp-btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.quarto-simulator .qp-btn-primary {
  background: var(--qp-accent);
  border-color: var(--qp-accent);
  color: #fff;
}

.quarto-simulator .qp-btn-primary:hover:not(:disabled) {
  background: #375a7f;
}

.quarto-simulator .qp-btn-check {
  border-color: #1a7f37;
  color: #1a7f37;
}

.quarto-simulator .qp-status {
  color: var(--qp-muted);
  font-size: 0.8rem;
  margin-left: 0.25rem;
}

.quarto-simulator .qp-status.qp-busy::before {
  content: "";
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  margin-right: 0.4em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -0.05em;
  animation: qp-spin 0.8s linear infinite;
}

.quarto-simulator .qp-status.qp-error {
  color: #cf222e;
}

@keyframes qp-spin {
  to { transform: rotate(360deg); }
}

.quarto-simulator .qp-panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.quarto-simulator .qp-panes.qp-layout-vertical {
  grid-template-columns: minmax(0, 1fr);
}

@media (max-width: 900px) {
  .quarto-simulator .qp-panes {
    grid-template-columns: minmax(0, 1fr);
  }
}

.quarto-simulator .qp-pane {
  display: flex;
  flex-direction: column;
  height: var(--qp-height, 460px);
  min-width: 0;
  position: relative;
}

.quarto-simulator .qp-editor-pane {
  border-right: 1px solid var(--qp-border);
}

.quarto-simulator .qp-layout-vertical .qp-editor-pane {
  border-right: none;
  border-bottom: 1px solid var(--qp-border);
}

@media (max-width: 900px) {
  .quarto-simulator .qp-editor-pane {
    border-right: none;
    border-bottom: 1px solid var(--qp-border);
  }
}

.quarto-simulator .qp-pane-header {
  flex: none;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--bs-font-monospace, ui-monospace, SFMono-Regular, Menlo, monospace);
  color: var(--qp-muted);
  border-bottom: 1px solid var(--qp-border);
}

.quarto-simulator .qp-editor {
  flex: 1;
  min-height: 0;
}

.quarto-simulator .qp-editor .cm-editor {
  height: 100%;
  font-size: 0.85rem;
}

.quarto-simulator .qp-editor .cm-editor.cm-focused {
  outline: none;
}

.quarto-simulator .qp-editor .cm-scroller {
  font-family: var(--bs-font-monospace, ui-monospace, SFMono-Regular, Menlo, monospace);
}

/* Executable code cells are shaded, as in Positron. */
.quarto-simulator {
  --qp-cell-bg: #e6e6e6;
  --qp-cell-active-bg: #d9d9d9;
}

.quarto-simulator .qp-editor .cm-line.cm-qp-cell {
  background-color: var(--qp-cell-bg);
}

.quarto-simulator .qp-editor .cm-line.cm-qp-cell.cm-activeLine {
  background-color: var(--qp-cell-active-bg);
}

.quarto-simulator .qp-frame {
  flex: 1;
  width: 100%;
  border: none;
  background: #fff;
  transition: opacity 0.2s;
}

.quarto-simulator .qp-frame.qp-stale {
  opacity: 0.35;
}

.quarto-simulator .qp-placeholder {
  position: absolute;
  inset: 2rem 0 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qp-muted);
  pointer-events: none;
}

/* Render log, styled after Quarto's console output. */
.quarto-simulator .qp-log {
  border-top: 1px solid var(--qp-border);
  background: #1f2328;
  color: #e6edf3;
  padding: 0.5rem 0.75rem;
  font-family: var(--bs-font-monospace, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.8rem;
  max-height: 14rem;
  overflow: auto;
}

.quarto-simulator .qp-log pre {
  margin: 0.25rem 0 0;
  padding: 0;
  background: none;
  border: none;
  color: inherit;
  white-space: pre-wrap;
  font-size: inherit;
}

.quarto-simulator .qp-log-error strong {
  color: #ff7b72;
}

.quarto-simulator .qp-log-warning strong {
  color: #e3b341;
}

.quarto-simulator .qp-log-warning + .qp-log-warning,
.quarto-simulator .qp-log-error + .qp-log-warning {
  margin-top: 0.35rem;
}

.quarto-simulator .qp-log-warning code {
  color: inherit;
  background: rgba(255, 255, 255, 0.1);
  padding: 0 0.2em;
  border-radius: 3px;
}

.quarto-simulator .qp-log-detail {
  color: #8b949e !important;
}

.quarto-simulator .qp-feedback {
  margin: 0;
  padding: 0.6rem 0.75rem;
  border-top: 1px solid var(--qp-border);
}

.quarto-simulator .qp-feedback.qp-correct {
  background: #dafbe1;
  color: #116329;
}

.quarto-simulator .qp-feedback.qp-incorrect {
  background: #ffebe9;
  color: #a40e26;
}

.quarto-simulator .qp-extras:empty {
  display: none;
}

.quarto-simulator .qp-extras {
  border-top: 1px solid var(--qp-border);
  padding: 0.75rem;
}

.quarto-simulator .qp-extras > * + * {
  margin-top: 0.75rem;
}

.quarto-simulator .qp-extras .quarto-simulator-hint,
.quarto-simulator .qp-extras .quarto-simulator-solution {
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  border-left: 4px solid;
}

.quarto-simulator .qp-extras .quarto-simulator-hint {
  background: #fff8c5;
  border-color: #d4a72c;
}

.quarto-simulator .qp-extras .quarto-simulator-solution {
  background: #ddf4ff;
  border-color: #54aeff;
}

.quarto-simulator .qp-extras .quarto-simulator-hint > :last-child,
.quarto-simulator .qp-extras .quarto-simulator-solution > :last-child {
  margin-bottom: 0;
}

.quarto-simulator .qp-use-solution {
  margin-top: 0.5rem;
}

/* Hints and solutions stay hidden until requested. */
.quarto-simulator-hint[hidden],
.quarto-simulator-solution[hidden] {
  display: none;
}