.entry-content > .bll-sources-section,
.bll-sources-section {
  margin: clamp(40px, 7vw, 72px) 0;
  scroll-margin-top: 140px;
}

.bll-sources {
  overflow: hidden;
  border: 1px solid var(--color-border, #e4d9cb);
  border-radius: var(--radius-lg, 20px);
  background: var(--color-surface-card-alt, #f1eae1);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(42, 30, 20, 0.07));
}

.bll-sources > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 38px;
  align-items: center;
  gap: 16px;
  padding: clamp(20px, 4vw, 28px);
  color: var(--color-text-primary, #1a1a1a);
  cursor: pointer;
  list-style: none;
}

.bll-sources > summary::-webkit-details-marker {
  display: none;
}

.bll-sources > summary:focus-visible {
  outline: 3px solid var(--color-brand-red-tint, #f7dad5);
  outline-offset: -3px;
}

.bll-sources__summary-main {
  display: grid;
  gap: 3px;
}

.bll-sources__eyebrow {
  color: var(--color-brand-brown, #8b6f47);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
}

.bll-sources__title {
  font-family: var(--font-serif, Georgia, serif);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 600;
  line-height: 1.25;
}

.bll-sources__count {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--color-success-tint, #e4ead8);
  color: var(--color-brand-olive, #556b2f);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.bll-sources__toggle {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--color-border-strong, #cbbba8);
  border-radius: 50%;
  background: var(--color-surface-card, #fffdfa);
  color: var(--color-brand-red, #d32416);
}

.bll-sources__toggle::before {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
}

.bll-sources[open] .bll-sources__toggle::before {
  content: "−";
}

.bll-sources__content {
  padding: 0 clamp(20px, 4vw, 28px) clamp(24px, 4vw, 32px);
  border-top: 1px solid var(--color-border, #e4d9cb);
  background: var(--color-surface-card, #fffdfa);
}

.bll-sources__content > p {
  margin: 0;
  padding: 20px 0 16px;
  color: var(--color-text-secondary, #6b5640);
  font-size: 0.875rem;
}

.bll-sources__content ol,
.bll-sources__content ul {
  margin: 0;
  padding-left: 1.35rem;
  columns: 2;
  column-gap: clamp(28px, 5vw, 52px);
}

.bll-sources__content li {
  margin: 0;
  padding: 0 0 14px 4px;
  break-inside: avoid;
  color: var(--color-text-secondary, #6b5640);
  font-size: 0.82rem;
  line-height: 1.55;
}

.bll-sources__content li::marker {
  color: var(--color-brand-olive, #556b2f);
  font-weight: 700;
}

.bll-sources__content a {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  color: var(--color-brand-red, #d32416);
  font-weight: 600;
  text-decoration: none;
}

.bll-sources__content a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.bll-sources__external {
  font-size: 0.72em;
}

@media (max-width: 720px) {
  .bll-sources > summary {
    grid-template-columns: minmax(0, 1fr) 34px;
    gap: 12px;
  }

  .bll-sources__count {
    grid-column: 1;
    justify-self: start;
  }

  .bll-sources__toggle {
    grid-column: 2;
    grid-row: 1 / span 2;
    width: 34px;
    height: 34px;
  }

  .bll-sources__content ol,
  .bll-sources__content ul {
    columns: 1;
  }
}