.gpvwc-series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.gpvwc-series-card {
  display: block;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 14px;
  text-decoration: none;
  background: #fff;
  transition: transform .12s ease, box-shadow .12s ease;
}
.gpvwc-series-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.06);
}
.gpvwc-series-card__header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 8px;
}
.gpvwc-series-card__title { font-weight: 600; }
.gpvwc-series-card__abbr { font-size: .85rem; opacity: .7; }
.gpvwc-series-card__meta { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  display: inline-block; font-size: .75rem; padding: 2px 8px; border-radius: 999px;
  background: #f3f4f6; color: #111827; border: 1px solid #e5e7eb;
}
.gpvwc-series.error, .gpvwc-series.empty {
  padding: 12px; background:#fffbe6; border:1px solid #f59e0b; border-radius: 8px;
}