.page__content .paper-meta {
  margin-bottom: 0.35rem;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.paper-actions .paper-asset,
.paper-summary-toggle {
  display: inline-flex;
  align-items: center;
  padding: 0;
  border: 1px solid #1565c0;
  border-radius: 6px;
  background: #fff;
  color: #1565c0;
  font-family: inherit;
  font-size: 0.6875em;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
}

.paper-actions .paper-asset a,
.paper-summary-toggle {
  padding: 0.15rem 0.4rem;
  color: #1565c0;
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.paper-actions .paper-asset a:hover {
  font-weight: 500;
}

.paper-actions .paper-asset:hover,
.paper-summary-toggle:hover {
  background: #f0f6ff;
}

.paper-summary-toggle {
  gap: 0.35rem;
  margin: 0;
  cursor: pointer;
}

.paper-summary-toggle::after {
  content: "";
  width: 0.35em;
  height: 0.35em;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-0.1em) rotate(45deg);
  transition: transform 150ms ease;
}

.paper-summary-toggle[aria-expanded="true"] {
  background: #eaf2ff;
}

.paper-summary-toggle[aria-expanded="true"]::after {
  transform: translateY(0.1em) rotate(225deg);
}

.paper-summary-toggle:focus-visible,
.paper-actions .paper-asset a:focus-visible {
  outline: 2px solid #1565c0;
  outline-offset: 3px;
}

.paper-summary {
  margin: -0.35rem 0 1.25rem;
  padding: 0.7rem 0.85rem;
  border-left: 3px solid #a5c4ec;
  border-radius: 0 8px 8px 0;
  background: #f6f8fc;
  font-size: 0.875em;
  line-height: 1.65;
}

.paper-summary[hidden] {
  display: none;
}

.page__content .paper-summary p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .paper-summary-toggle,
  .paper-summary-toggle::after,
  .paper-actions .paper-asset a {
    transition: none;
  }
}