.academy-top {
  border: 1px solid var(--ds-border);
  border-radius: 18px;
  background: var(--ds-surface);
}

.academy-top__inner {
  padding: 18px;
}

.academy-top__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.academy-top__aside {
  display: grid;
  gap: 12px;
  align-items: start;
  justify-items: end;
  min-width: 260px;
}

.academy-top__poster {
  width: min(420px, 42vw);
}

.academy-top__poster img {
  display: block;
}

.academy-top__nav details {
  position: relative;
}

.academy-top__menu {
  margin-top: 10px;
  border: 1px solid var(--ds-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  padding: 10px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  min-width: 220px;
}

.academy-top__menu a {
  padding: 6px 8px;
  border-radius: 10px;
  color: var(--ds-text);
}

.academy-top__menu a:hover {
  background: rgba(17, 24, 39, 0.06);
}

@media (max-width: 860px) {
  .academy-top__row {
    flex-direction: column;
  }

  .academy-top__aside {
    justify-items: start;
    width: 100%;
    min-width: 0;
  }

  .academy-top__poster {
    width: 100%;
  }
}

.academy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ds-gap-lg);
  align-items: start;
}

.academy-card {
  border: 1px solid var(--ds-border);
  border-radius: 18px;
  background: var(--ds-surface);
}

.academy-card__inner {
  padding: 16px;
}

.academy-copy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.academy-copy pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(17, 24, 39, 0.04);
  border: 1px solid rgba(17, 24, 39, 0.10);
  border-radius: 14px;
  padding: 12px;
  color: var(--ds-text);
  font-size: 13px;
  line-height: 1.5;
}

.academy-copy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.academy-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  max-width: 520px;
}

.academy-links a {
  padding: 10px 10px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  line-height: 1.25;
}

.academy-links a:hover {
  background: rgba(17, 24, 39, 0.04);
  border-color: rgba(17, 24, 39, 0.08);
}

.academy-recommended {
  border-color: rgba(37, 99, 235, 0.35) !important;
}

/* Shared article list UI (used on hub/category/search/article-related). */
.academy-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.academy-article-card {
  border: 1px solid var(--ds-border);
  border-radius: 16px;
  padding: 20px;
  background: var(--ds-surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.academy-article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--ds-primary);
}

.academy-article-card__title {
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
}

.academy-article-card__excerpt {
  font-size: 14px;
  color: var(--ds-text-muted);
  line-height: 1.5;
}

.academy-article-card__meta {
  font-size: 12px;
  color: var(--ds-text-muted);
  margin-top: auto;
}

.academy-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--ds-text-muted);
}

@media (max-width: 860px) {
  .academy-top__row {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .academy-articles-grid {
    grid-template-columns: 1fr;
  }
}