.intro-dialog {
  box-sizing: border-box;
  width: min(900px, calc(100% - 24px));
  max-height: calc(100vh - 24px);
  max-height: calc(100dvh - 24px);
  margin: auto;
  padding: 16px;
  overflow: auto;
  color: var(--mist);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.intro-dialog::backdrop { background: rgba(0, 0, 0, 0.8); }
html.intro-is-open { overflow: hidden; }
.intro-dialog [hidden], .intro-reopen[hidden] { display: none !important; }

.intro-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.intro-header h2 { font-size: 20px; line-height: 1.3; }
.intro-close {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--mist);
  background: var(--canopy);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.intro-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  max-height: max(100px, calc(100vh - 235px));
  max-height: max(100px, calc(100dvh - 235px));
  object-fit: contain;
  background: #000;
  border-radius: 4px;
}

.intro-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; margin-top: 8px; }
.intro-countdown { font-size: 14px; color: var(--sage); }
.intro-sound, .intro-play, .intro-reopen {
  min-height: 44px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--lime);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}

.intro-ending { display: flex; justify-content: center; align-items: center; min-height: 52px; }
.intro-waitlist { text-align: center; }
.intro-error { margin: 0 0 12px; font-size: 14px; color: var(--sage); }
.intro-dialog button:focus-visible, .intro-dialog a:focus-visible, .intro-reopen:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}