.institution-roster-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr) auto;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #f5f8fa;
}

.institution-roster-guide h3 { margin: 0 0 5px; font-size: 16px; }
.institution-roster-guide p { margin: 4px 0; color: var(--muted); font-size: 12px; }
.institution-roster-guide pre {
  margin: 0;
  padding: 12px;
  overflow: auto;
  border: 1px solid #d3dde5;
  border-radius: 8px;
  background: #fff;
  color: #33465c;
  font: 600 11px/1.55 monospace;
}

.institution-download {
  min-height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  border-radius: 9px;
  background: #fff;
  color: var(--navy);
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}

.institution-download:hover { background: var(--navy); color: #fff; }

@media (max-width: 900px) {
  .institution-roster-guide { grid-template-columns: 1fr 1fr; }
  .institution-download { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 620px) {
  .institution-roster-guide { grid-template-columns: 1fr; }
  .institution-download { grid-column: auto; justify-self: stretch; }
}