.upgrade-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.upgrade-actions[hidden] { display: none; }
.upgrade-actions .shop-btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid rgba(26, 95, 180, 0.4);
  background: #fff;
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  color: #1a5fb4;
  cursor: pointer;
  line-height: 1.35;
  box-shadow: 0 2px 8px rgba(27, 31, 42, 0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.upgrade-actions .shop-btn:hover:not(:disabled) {
  transform: translateY(-4px);
  border-color: #1a5fb4;
  color: #135a9e;
  background: #f4f8fd;
  box-shadow: 0 12px 28px rgba(27, 31, 42, 0.16);
}
.upgrade-actions .shop-btn--primary {
  background: #1a5fb4;
  color: #fff;
  border-color: #1a5fb4;
}
.upgrade-actions .shop-btn--primary:hover:not(:disabled) {
  background: #135a9e;
  border-color: #135a9e;
  color: #fff;
  box-shadow: 0 12px 28px rgba(26, 95, 180, 0.38);
}
.upgrade-actions .shop-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.upgrade-actions .shop-btn:focus-visible {
  outline: 2px solid #1a5fb4;
  outline-offset: 2px;
}
#proceedWrap { margin-top: 12px; }
@media (prefers-reduced-motion: reduce) {
  .upgrade-actions .shop-btn { transition-duration: 0.01ms; }
  .upgrade-actions .shop-btn:hover:not(:disabled) { transform: none; }
}