.demo {
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  border-radius: 14px;
}

.stage {
  position: relative;
  transform-origin: 0 0;
  pointer-events: none;
  user-select: none;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.stage.instant *,
.stage.instant *::before,
.stage.instant *::after {
  animation: none !important;
  transition: none !important;
}

.stage.held *,
.stage.held *::before,
.stage.held *::after {
  animation-play-state: paused !important;
}

/* A click mark stands in for the cursor. */
.ring {
  position: absolute;
  z-index: 40;
  width: 0;
  height: 0;
}

.ring::before,
.ring::after {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 50%;
}

.ring::before {
  background: #f2a33a55;
  animation: tap 0.6s ease-out both;
}

.ring::after {
  border: 2px solid #f2a33a;
  box-shadow: 0 0 0 1px #0002;
  animation: tap 0.6s ease-out both;
}

@keyframes tap {
  0% { transform: scale(0.3); opacity: 1; }
  45% { opacity: 1; }
  100% { transform: scale(1.1); opacity: 0; }
}

/* Browser window */
.browser {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--ff-border);
  border-radius: 14px;
  background: var(--ff-surface);
}

.browser-bar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 14px;
  border-bottom: 1px solid var(--ff-divider);
}

.browser-bar i {
  flex: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #e86a5c;
}

.browser-bar i:nth-child(2) { background: #e9b443; }
.browser-bar i:nth-child(3) { background: #5fbf5a; }

.browser-bar b {
  flex: 0 1 300px;
  min-width: 40px;
  height: 22px;
  margin-left: 10px;
  border-radius: 11px;
  background: var(--ff-hover);
}

.download-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  max-width: 340px;
  height: 26px;
  margin-left: auto;
  padding: 0 10px;
  border-radius: 8px;
  background: var(--ff-accent-soft);
  color: var(--ff-text);
  font-size: 12px;
  animation: chip-in 0.25s ease-out;
}

.download-chip svg {
  flex: none;
  width: 14px;
  height: 14px;
  color: var(--ff-accent-text);
}

.download-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes chip-in {
  from { transform: translateY(-6px); opacity: 0; }
}

.browser-body {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: hidden;
}

.web-page {
  flex: 1;
  min-width: 0;
  padding: 14px;
  background: var(--ff-surface);
}

.video-title i {
  display: block;
  height: 11px;
  margin-top: 14px;
  border-radius: 6px;
  background: var(--ff-hover);
}

.video-title i:first-child { width: 58%; }
.video-title i:last-child { width: 34%; }

.side-slot {
  flex: none;
  width: 0;
  overflow: hidden;
  border-left: 0 solid var(--ff-divider);
  transition: width 0.42s cubic-bezier(.3,.8,.3,1);
}

.side-open .side-slot {
  width: 340px;
  border-left-width: 1px;
}

.side-panel {
  width: 339px;
  height: 100%;
}

/* Video player. The toolbar copies the look of extension/content/main.js. */
.player {
  container-type: inline-size;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  background: #1f3f30;
}

.player .picture {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  animation: drift 30s linear both;
}

@keyframes drift {
  from { transform: scale(1.02); }
  to { transform: scale(1.12) translateX(-1.5%); }
}

.caption {
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: 8%;
  color: #fff;
  font-size: 3cqw;
  font-weight: 600;
  text-align: center;
  text-shadow: 0 2px 6px #000c;
}

.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: #ffffff4d;
}

.progress i {
  display: block;
  height: 100%;
  background: #f2a33a;
  animation: played 30s linear both;
  transform-origin: 0 0;
}

@keyframes played {
  from { transform: scaleX(0.08); }
  to { transform: scaleX(0.8); }
}

.paused .picture,
.paused .progress i {
  animation-play-state: paused;
}

.pause-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  display: none;
  gap: 8px;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border-radius: 50%;
  background: #1d1d1bb3;
}

.pause-mark i {
  width: 7px;
  height: 24px;
  border-radius: 2px;
  background: #fff;
}

.paused .pause-mark {
  display: flex;
}

.overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  color: var(--ff-overlay-text);
}

.tool {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 36px;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: var(--ff-radius-control);
  background: var(--ff-overlay);
  box-shadow: 0 2px 12px #0004;
}

.tool svg {
  display: block;
  width: 20px;
  height: 20px;
}

.tool-icon {
  display: contents;
}

.active .tool {
  border-color: var(--ff-overlay-accent);
  color: var(--ff-overlay-accent);
}

.player .count-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  display: grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--ff-radius-control);
  background: #d9d5cd;
  color: #1b1b1a;
  box-shadow: 0 0 0 2px #1d1d1b;
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

@keyframes bump-a {
  0% { background: var(--ff-overlay-accent); transform: scale(1.3); }
  55% { background: var(--ff-overlay-accent); transform: scale(1); }
  100% { background: #d9d5cd; }
}

@keyframes bump-b {
  0% { background: var(--ff-overlay-accent); transform: scale(1.3); }
  55% { background: var(--ff-overlay-accent); transform: scale(1); }
  100% { background: #d9d5cd; }
}

.count-badge.bump-a { animation: bump-a 0.6s cubic-bezier(.2,.8,.3,1); }
.count-badge.bump-b { animation: bump-b 0.6s cubic-bezier(.2,.8,.3,1); }

.status {
  width: max-content;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--ff-overlay);
  box-shadow: 0 2px 12px #0004;
  font-size: 12px;
  line-height: 16px;
}

/* The exported collage lands over the page. */
.result-shade {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 340px;
  display: grid;
  place-items: center;
  background: var(--ff-backdrop);
  animation: fade-in 0.25s ease-out;
}

.result {
  width: 308px;
  zoom: 1.32;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--ff-shadow);
  animation: result-in 0.4s cubic-bezier(.2,.8,.3,1);
}

@keyframes fade-in {
  from { opacity: 0; }
}

@keyframes result-in {
  from { transform: translateY(18px) scale(0.96); opacity: 0; }
}

/* Narrow stages slide the side panel over the page. */
.narrow .side-slot,
.narrow .side-open .side-slot {
  position: absolute;
  inset: 0;
  width: auto;
  border: 0;
  background: var(--ff-bg);
  transform: translateY(100%);
  transition: transform 0.42s cubic-bezier(.3,.8,.3,1);
}

.narrow .side-open .side-slot {
  transform: none;
}

.narrow .side-panel {
  width: 100%;
}

.narrow .caption {
  font-size: 4cqw;
}

.narrow .result-shade {
  right: 0;
  z-index: 2;
}

.narrow .result {
  zoom: 1.45;
}