.pub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 1.5rem;
  align-items: start;
}

.pub-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid #e6e6e6;
  border-radius: 6px;
  background: #fff;
  padding: 8px 8px 12px;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.pub-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: #bbb;
  text-decoration: none;
}

.pub-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 3px;
  display: block;
}

.pub-card-title {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.35;
  color: #333;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
}

.pub-card-author {
  margin-top: 4px;
  font-size: 11.5px;
  line-height: 1.3;
  color: #555;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.pub-card-date {
  margin-top: 3px;
  font-size: 11px;
  color: #888;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

@media (max-width: 900px) {
  .pub-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .pub-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}