/* download section */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.dl-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.dl-card.teacher {
  border-color: var(--mint-border);
  background: var(--mint);
}
.dl-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.dl-head img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  flex: none;
}
.dl-head h3 {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
}
.dl-head p {
  color: var(--muted);
  font-size: 14px;
}

.dl-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  border: 1px solid var(--green);
  background: var(--green);
  color: var(--card);
}
.dl-btn:hover {
  background: var(--green-press);
  color: var(--card);
}
.dl-btn.secondary {
  background: var(--card);
  color: var(--green-dark);
}
.dl-btn.secondary:hover {
  background: var(--mint-pale);
  color: var(--green-dark);
}
.dl-btn[aria-disabled="true"] {
  background: var(--card-border);
  border-color: var(--card-border);
  color: var(--muted);
  cursor: not-allowed;
  pointer-events: none;
}
.dl-note {
  max-width: 760px;
  margin: 28px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
}