.study-bank-section {
  margin-top: 3.5rem;
  padding-top: 2.2rem;
  border-top: 2px solid var(--border);
}

.study-bank-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.study-bank-header p,
.study-bank-empty {
  font-size: 0.75rem;
  color: var(--muted);
}

.study-bank-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.4rem;
}

.study-pill-link {
  text-decoration: none;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(43, 94, 167, 0.18);
  border-radius: 999px;
  padding: 0.38rem 0.8rem;
  font-size: 0.67rem;
}

.study-bank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 1.5rem;
}

.study-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.9rem 1rem;
}

.study-stat-kicker {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}

.study-stat-value {
  display: block;
  font-family: "Fraunces", serif;
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 0.25rem;
  color: var(--text);
}

.study-bank-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.study-bank-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
}

.study-bank-column h3 {
  margin: 0 0 0.4rem;
}

.study-bank-column p {
  font-size: 0.72rem;
  margin-bottom: 0.9rem;
}

.study-question-item {
  border-top: 1px solid var(--border);
  padding-top: 0.65rem;
  margin-top: 0.65rem;
}

.study-question-item:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.study-question-item summary {
  cursor: pointer;
  font-size: 0.74rem;
  color: var(--text);
  font-weight: 500;
  list-style: none;
}

.study-question-item summary::-webkit-details-marker {
  display: none;
}

.study-question-answer {
  margin-top: 0.55rem;
  font-size: 0.72rem;
  color: var(--text2);
  line-height: 1.6;
}

.study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.55rem;
}

.study-tag {
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface2);
  padding: 0.16rem 0.42rem;
  border-radius: 999px;
}

.study-exercise-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.study-exercise-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
}

.study-exercise-group h3 {
  margin: 0 0 0.7rem;
}

.study-exercise-card {
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
  margin-top: 0.8rem;
}

.study-exercise-card:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.study-exercise-title {
  font-family: "Fraunces", serif;
  font-size: 0.95rem;
  color: var(--text);
}

.study-exercise-copy {
  font-size: 0.72rem;
  color: var(--text2);
  margin-top: 0.35rem;
}

.study-exercise-meta {
  margin-top: 0.55rem;
  font-size: 0.68rem;
  color: var(--muted);
}

.study-command {
  margin-top: 0.55rem;
}

.study-command code {
  display: inline-block;
  white-space: pre-wrap;
}

@media (max-width: 700px) {
  .study-bank-section {
    margin-top: 2.8rem;
  }
}