/* The clickable demo. Loaded on every page, so every rule starts with
   .presto-demo and does nothing where the demo is not. */

.presto-demo {
  --presto-led: rgba(0, 0, 0, 0);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 1.5rem 0;
}

.presto-demo .presto-bezel {
  position: relative;
  box-sizing: border-box;
  /* 480 px of screen plus the frame, never wider than the column. */
  width: min(100%, 532px);
  padding: 26px;
  background: #1b1d21;
  border-radius: 26px;
  box-shadow: 0 0 34px 4px var(--presto-led);
  transition: box-shadow 0.3s;
}

.presto-demo .presto-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #101216;
}

.presto-demo canvas,
.presto-demo img.presto-poster {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  user-select: none;
  -webkit-user-drag: none;
}

.presto-demo canvas {
  /* A swipe on the screen must not scroll the page. */
  touch-action: none;
  cursor: pointer;
}

.presto-demo canvas:focus-visible {
  outline: 3px solid #8ab4ff;
  outline-offset: 3px;
}

.presto-demo [hidden] {
  display: none !important;
}

.presto-demo .presto-start {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 0.7rem 1.6rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: #3f51b5;
  border: 2px solid #fff;
  border-radius: 999px;
  cursor: pointer;
}

.presto-demo .presto-start:hover,
.presto-demo .presto-start:focus-visible {
  background: #5568d8;
}

.presto-demo .presto-start:disabled {
  cursor: progress;
  opacity: 0.85;
}

.presto-demo .presto-error {
  margin: 0.8rem 0 0;
  padding: 0.6rem 0.9rem;
  max-width: 532px;
  color: #ffd7d7;
  background: #5b1a1a;
  border-radius: 6px;
}

.presto-demo .presto-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

.presto-demo .presto-controls button,
.presto-demo .presto-controls select {
  font: inherit;
  padding: 0.3rem 0.8rem;
  color: var(--md-default-fg-color, #222);
  background: var(--md-default-bg-color, #fff);
  border: 1px solid var(--md-default-fg-color--lighter, #999);
  border-radius: 6px;
  cursor: pointer;
}

.presto-demo .presto-controls label {
  cursor: pointer;
}

.presto-demo .presto-note {
  margin: 0.8rem 0 0;
  font-size: 0.8rem;
  text-align: center;
  color: var(--md-default-fg-color--light, #555);
}

/* The theme's floating "back to top" button would sit on the screen and take
   clicks meant for it. Only the demo page loses it. */
body:has(.presto-demo) .md-top {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .presto-demo .presto-bezel {
    transition: none;
  }
}