.ad-slot {
  margin: 0;
  padding: 0.35rem 0;
  min-height: 100px;
  text-align: center;
  overflow: hidden;
}

.ad-slot-label {
  margin: 0 0 0.35rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #94a3b8;
}

.ad-slot ins.adsbygoogle {
  display: block;
  min-height: 90px;
}

.ad-slot--sidebar {
  margin-bottom: 1rem;
  background: var(--theme-sidebar-bg);
  border: 1px solid var(--theme-border);
  border-radius: 16px;
  padding: 0.65rem 0.75rem 0.85rem;
  box-shadow: 0 8px 30px var(--theme-shadow);
}

.quiz-page-ad .ad-slot {
  background: var(--theme-sidebar-bg);
  border: 1px solid var(--theme-border);
  border-radius: 16px;
  padding: 0.65rem 0.75rem 0.85rem;
  box-shadow: 0 8px 30px var(--theme-shadow);
}

.quiz-page-shell {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "head"
    "body"
    "foot";
  gap: 0;
  align-items: start;
}

.quiz-page-shell--with-ad {
  grid-template-columns: minmax(0, 1fr) min(300px, 30vw);
  grid-template-areas:
    "head ad"
    "body ad"
    "foot ad";
  gap: 0 1.5rem;
}

.quiz-page-head {
  grid-area: head;
}

.quiz-page-ad {
  grid-area: ad;
  position: sticky;
  top: 1rem;
}

.quiz-page-body {
  grid-area: body;
}

.quiz-page-foot {
  grid-area: foot;
}

.app-page .page-main--quiz {
  max-width: 72rem;
}

@media (max-width: 900px) {
  .quiz-page-shell--with-ad {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "ad"
      "body"
      "foot";
    gap: 0;
  }

  .quiz-page-ad {
    position: static;
    margin: 0.75rem 0 1rem;
  }

  .ad-slot {
    background: var(--theme-bg-subtle);
    border: 1px solid var(--theme-border);
    border-radius: 12px;
    padding: 0.5rem 0.75rem 0.75rem;
  }
}