:root {
  color-scheme: light dark;
  --bg: #0f1216;
  --panel: #171b21;
  --line: #232a33;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --accent: #5a6872;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.pg-header {
  padding: 1.5rem 1.5rem 0;
}

.pg-header h1 {
  margin: 0;
  font-size: 1.25rem;
}

.pg-subtitle {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.pg-main {
  padding: 1.5rem;
  max-width: 72rem;
}

.pg-toolbar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.pg-toolbar button {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.pg-toolbar button:disabled {
  opacity: 0.5;
  cursor: default;
}

.pg-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
  gap: 1rem;
  align-items: start;
}

.pg-editor-column {
  min-width: 0;
}

.pg-editor {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 0.75rem 1rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  outline: none;
  min-height: 8rem;
}

.pg-inspector,
.pg-catalog {
  max-height: min(44rem, calc(100vh - 8rem));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.pg-inspector h2,
.pg-inspector h3,
.pg-inspector p,
.pg-catalog h2 {
  margin-top: 0;
}

.pg-inspector h2,
.pg-catalog h2 {
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.pg-inspector h3 {
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pg-inspector-empty,
.pg-inspector-output,
.pg-inspector-guidance {
  color: var(--muted);
}

.pg-inspector-header {
  margin-bottom: 0.75rem;
}

.pg-inspector-output,
.pg-inspector-param-state,
.pg-inspector-param-constraint {
  display: block;
  margin-top: 0.15rem;
}

.pg-inspector-signature,
.pg-inspector-example {
  display: block;
  overflow-x: auto;
  margin: 0 0 1rem;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0b0e12;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
}

.pg-inspector-parameters {
  margin: 0 0 1rem;
}

.pg-inspector-parameters dt {
  margin-top: 0.6rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 700;
}

.pg-inspector-parameters dd {
  margin: 0.15rem 0 0 0;
  color: var(--muted);
}

.pg-catalog-search {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
  color: var(--muted);
}

.pg-catalog-search input {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0b0e12;
  color: var(--text);
  font: inherit;
}

.pg-catalog-results,
.pg-catalog-list {
  margin: 0;
  padding: 0;
}

.pg-catalog-list {
  display: grid;
  gap: 0.55rem;
  list-style: none;
}

.pg-catalog-item {
  display: block;
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.pg-catalog-item:hover,
.pg-catalog-item:focus-visible,
.pg-catalog-back:hover,
.pg-catalog-back:focus-visible {
  border-color: var(--accent);
}

.pg-catalog-item code {
  font-weight: 700;
}

.pg-catalog-summary {
  display: block;
}

.pg-catalog-summary,
.pg-catalog-empty,
.pg-catalog-state {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.pg-catalog-back {
  margin-bottom: 0.75rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0b0e12;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

@media (max-width: 56rem) {
  .pg-workspace {
    grid-template-columns: 1fr;
  }

  .pg-inspector,
  .pg-catalog {
    max-height: none;
  }
}

.pg-line {
  white-space: pre-wrap;
  min-height: 1.6em;
}

.pg-line-error {
  background: rgba(220, 80, 80, 0.16);
  box-shadow: inset 2px 0 0 #d05050;
}

.pg-view {
  margin: 0.4rem 0 0.6rem;
  padding: 0.5rem;
  border: 1px dashed var(--accent);
  border-radius: 6px;
  background: #0b0e12;
  user-select: none;
}

.pg-view-block canvas {
  display: block;
  image-rendering: pixelated;
  border: 1px solid var(--line);
}

.pg-view-caption {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.pg-status {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.pg-status-error {
  color: #f0a0a0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

/* A stale inline view keeps its last pixels but is dimmed and desaturated, so a
   control change reads as "not yet re-evaluated" without hiding the old result. */
.pg-view-stale {
  border-style: solid;
  border-color: #b8894a;
  opacity: 0.55;
  filter: saturate(0.4);
  position: relative;
}

.pg-view-stale::before {
  content: "stale";
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  padding: 0 0.35rem;
  border-radius: 4px;
  background: #b8894a;
  color: #0b0e12;
  font-size: 0.7rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pg-view-refresh {
  display: block;
  margin-top: 0.5rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
}

.pg-view-refresh:hover {
  border-color: #b8894a;
}

.pg-preview {
  margin: 1rem 0;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #11161c;
}

.pg-preview-panels {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.pg-preview-header {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.pg-preview-panels {
  flex-wrap: wrap;
}

.pg-preview-panel canvas {
  display: block;
  image-rendering: pixelated;
}

.pg-preview-title {
  font-weight: 700;
}

.pg-preview-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.pg-preview-controls:empty {
  display: none;
}

.pg-preview-seed,
.pg-preview-state,
.pg-preview-error,
.pg-preview-panel-label {
  color: var(--muted);
  font-size: 0.8rem;
}

.pg-preview-seed {
  white-space: nowrap;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-variant-numeric: tabular-nums;
}

.pg-preview-dice,
.pg-preview-copy {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0b0e12;
  color: var(--text);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.pg-preview-dice:hover,
.pg-preview-dice:focus-visible,
.pg-preview-copy:hover,
.pg-preview-copy:focus-visible {
  border-color: var(--accent);
}

.pg-preview-dice:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pg-preview-source {
  margin-top: 0.75rem;
}

.pg-preview-source-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.pg-preview-source-label {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.pg-preview-source pre {
  max-height: 14rem;
  margin: 0;
  overflow: auto;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0b0e12;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.76rem;
  line-height: 1.45;
  white-space: pre;
}