/* preview.js: a fence's Preview / Code block. The frame is sandbox.js's. */
.text .md-pv {
  margin: var(--sv-space-3) 0;
  border: var(--sv-hairline-w) solid var(--sv-hairline);
  border-radius: var(--sv-radius);
  background: var(--sv-surface-sunken);
  overflow: hidden;
  min-width: 0;
}
.md-pv-bar {
  display: flex;
  align-items: center;
  gap: var(--sv-space-2);
  padding: var(--sv-space-1) var(--sv-space-1) var(--sv-space-1) var(--sv-space-3);
  border-bottom: var(--sv-hairline-w) solid var(--sv-hairline);
  font: 500 var(--ui-meta) / 1 var(--sv-font-sans);
  color: var(--sv-ink-secondary);
}
.md-pv-kind { margin-right: auto; }
.md-pv-tabs { display: inline-flex; padding: 2px; gap: 2px; border-radius: calc(var(--sv-radius) * 0.75); background: var(--sv-surface); border: var(--sv-hairline-w) solid var(--sv-hairline); }
.md-pv button, .md-pv-full > .md-pv-bar button { min-height: 28px; padding: 0 var(--sv-space-2); border: 0; border-radius: calc(var(--sv-radius) * 0.6); background: none; color: var(--sv-ink-secondary); font: inherit; cursor: pointer; }
.md-pv button:hover:not(:disabled), .md-pv-full > .md-pv-bar button:hover:not(:disabled) { color: var(--sv-ink); background: var(--ws-hover); }
.md-pv button[aria-pressed="true"], .md-pv-full > .md-pv-bar button[aria-pressed="true"] { color: var(--sv-ink); background: var(--sv-surface-sunken); }
.md-pv button:disabled, .md-pv-full > .md-pv-bar button:disabled { opacity: 0.5; cursor: default; }
.md-pv button:focus-visible, .md-pv-full > .md-pv-bar button:focus-visible { outline: 2px solid var(--sv-ink-tertiary); outline-offset: 1px; }
.md-pv-copy, .md-pv-close { display: inline-flex; align-items: center; gap: var(--sv-space-1); }
.md-pv-copy .icon, .md-pv-close .icon { width: 14px; height: 14px; }
/* The frame's width is the column's: cqw lets a drawing's height follow it. */
.md-pv-stage { container-type: inline-size; background: var(--sv-surface); }
.md-pv-stage > iframe { display: block; width: 100%; border: 0; background: #fff; }
.md-pv-stage > iframe.md-pv-drawing { background: transparent; }
.md-pv-wait, .md-pv-error { display: flex; align-items: center; justify-content: center; margin: 0; padding: var(--sv-space-3); color: var(--sv-ink-tertiary); font-size: var(--ui-meta); text-align: center; }
.md-pv-error { color: var(--sv-danger); justify-content: flex-start; text-align: left; overflow-wrap: anywhere; }
.text .md-pv > pre.code { margin: 0; border: 0; border-radius: 0; }
.text .md-pv > pre.code::before { content: none; }
.md-pv-note { margin: 0; padding: var(--sv-space-1) var(--sv-space-3); border-top: var(--sv-hairline-w) solid var(--sv-hairline); color: var(--sv-ink-tertiary); font-size: var(--ui-meta); }
/* turnactions.js copies the turn as read: the block's source, not its controls. */
.md-pv[data-copying] > :is(.md-pv-bar, .md-pv-stage, .md-pv-note) { display: none; }
.md-pv[data-copying] > pre.code { display: block !important; }

/* expanded.js: the block full size, over the whole viewport (the app's own
 * modal dialog). Safe areas and dvh keep it clear of a phone's notch, home
 * bar and keyboard; the page behind does not scroll while it is open. */
dialog.md-pv-full {
  position: fixed; inset: 0; width: 100%; height: 100dvh; max-width: none; max-height: none; margin: 0;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  box-sizing: border-box; border: 0; background: var(--sv-surface); color: var(--sv-ink);
}
dialog.md-pv-full[open] { display: flex; flex-direction: column; }
dialog.md-pv-full::backdrop { background: rgb(0 0 0 / 0.45); }
.md-pv-full > .md-pv-bar { flex: none; }
.md-pv-full > .md-pv-note { flex: none; border-top: 0; border-bottom: var(--sv-hairline-w) solid var(--sv-hairline); }
.md-pv-full-stage { flex: 1; min-height: 0; display: flex; background: var(--sv-surface-sunken); }
.md-pv-full-stage > iframe { flex: 1; width: 100%; height: 100%; border: 0; background: #fff; }
.md-pv-full-stage > iframe.md-pv-drawing { background: var(--sv-surface); }
.md-pv-full-stage > p { flex: 1; }
.md-pv-full-image { flex: 1; min-height: 0; display: grid; place-items: center; overflow: auto; background: var(--sv-surface-sunken); }
.md-pv-full-image img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; }
.md-pv-full > pre.code {
  flex: 1; min-height: 0; margin: 0; padding: var(--sv-space-3); overflow: auto;
  background: var(--sv-surface-sunken); font: 0.8125rem/1.5 var(--sv-font-mono); white-space: pre;
}
.md-pv-full > [hidden] { display: none !important; }
html.md-pv-locked, html.md-pv-locked body { overflow: hidden; }


/* A label never breaks inside itself: the bar wraps whole buttons instead,
 * and on a phone Copy shows its icon (its name stays in aria-label). In the
 * dialog the bar stays one row, Close always in view. */
.md-pv-bar { flex-wrap: wrap; row-gap: var(--sv-space-1); }
.md-pv-bar :is(button, .md-pv-kind, .md-pv-tabs) { white-space: nowrap; flex: none; }
.md-pv-full > .md-pv-bar { flex-wrap: nowrap; }
@media (max-width: 480px) {
  .md-pv-copy .label { display: none; }
  .md-pv-full .md-pv-kind { display: none; }
  .md-pv-full .md-pv-tabs { margin-right: auto; }
}