.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
  margin: 0.5rem 0 1.5rem 0;
}

.report-card {
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 1.2rem;
  background: white;
  transition: box-shadow 0.2s, transform 0.2s;
}

.report-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.report-card h4 {
  margin: 0 0 0.4rem 0;
  font-size: 1rem;
  color: #2166AC;
}

.report-card p {
  font-size: 0.88rem;
  color: #6c757d;
  margin: 0.4rem 0 0.8rem 0;
}

.report-meta {
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.3rem;
}

.badge-paper1  { background: #d1ecf1; color: #0c5460; }
.badge-paper2  { background: #f8d7da; color: #721c24; }
.badge-methods { background: #d4edda; color: #155724; }
.badge-time    { background: #e2e3e5; color: #383d41; }

.report-link {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: #2166AC;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}

.report-link:hover { background: #1a5088; color: white; }