/* Academic Style Customizations */

/* Abstract block for posts */
.abstract-block {
  background: var(--card-bg, #f8f9fa);
  border-left: 4px solid var(--btn-bg, #49b1f5);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--font-color, #4c4948);
}

.abstract-block .abstract-label {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--btn-bg, #49b1f5);
  margin-bottom: 0.4rem;
  display: block;
}

/* Academic reference list */
.ref-list {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--light-grey, #e3e8f1);
}

.ref-list ol {
  padding-left: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--font-color, #4c4948);
}

.ref-list li {
  margin-bottom: 0.3rem;
}

/* Research page card grid */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.research-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--light-grey, #e3e8f1);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.research-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.research-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.research-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--font-color, #4c4948);
}

.research-card .tag-list {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.research-card .tag-list span {
  background: var(--btn-bg, #49b1f5);
  color: #fff;
  padding: 0.15rem 0.55rem;
  border-radius: 12px;
  font-size: 0.75rem;
}

/* Subtle academic section divider */
article hr {
  border: none;
  border-top: 1px solid var(--light-grey, #e3e8f1);
  margin: 2rem 0;
}

/* Improve blockquote for academic citations */
blockquote {
  border-left: 3px solid var(--btn-bg, #49b1f5);
  background: var(--card-bg, #f8f9fa);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  font-style: italic;
  color: var(--second-font-color, #8a919f);
}