/* Chrome shared by every Playground page: the back bar and its hint. */
:root {
  --pg-bg: #e9e7e0;
  --pg-light: #ffffff;
  --pg-dark: #c3c1b8;
  --pg-ink: #2c2b27;
  --pg-ink-2: #6f6e67;
  --pg-ink-3: #9b9a92;
  --pg-accent: #ef6a1e;
  --pg-mono: "SF Mono", ui-monospace, "Roboto Mono", Menlo, monospace;
}

.pg-bar {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 14px;
  border-radius: 12px;
  background: rgba(233, 231, 224, 0.92);
  backdrop-filter: blur(8px);
  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.25),
    0 1px 3px rgba(0, 0, 0, 0.2);
  font: 500 11px/1.4 var(--pg-mono);
  letter-spacing: 0.06em;
  color: var(--pg-ink-2);
}
.pg-bar a {
  color: var(--pg-ink);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pg-bar a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pg-accent);
  box-shadow: 0 0 6px var(--pg-accent);
}
.pg-bar a:hover,
.pg-bar a:focus-visible {
  color: var(--pg-accent);
}
.pg-hint kbd {
  font: inherit;
  color: var(--pg-ink);
}
@media (max-width: 640px) {
  .pg-hint {
    display: none;
  }
}