/* Signsley collapsible certificate chains */
.chain-toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #2196f3;
  font-weight: 600;
  font-size: 0.875rem;
  user-select: none;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

.chain-toggle:hover {
  text-decoration: underline;
  color: #1976d2;
}

.chain-toggle span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chain-panel {
  display: none;
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.8125rem;
  animation: slideDown 0.2s ease;
}

.chain-panel.show {
  display: block;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chain-panel > div {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  font-size: 0.8125rem;
  border-left: 4px solid;
}

.chain-panel > div:last-child {
  margin-bottom: 0;
}

.signature-card {
  margin-bottom: 1rem;
  padding: 0.9rem;
  background: var(--bg-secondary);
  border-radius: 10px;
  position: relative;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
}

/* Mobile responsive */
@media (max-width: 640px) {
  .chain-panel {
    padding: 0.5rem;
    font-size: 0.75rem;
  }
  
  .chain-toggle {
    font-size: 0.8125rem;
  }

  .chain-panel > div {
    padding: 0.5rem;
    font-size: 0.75rem;
  }
}