/* Encoding Chain Decoder Styles */
.decode-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}
.decode-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}
.decode-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0, 255, 65, 0.1);
}

.card-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.decode-chain {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.chain-step {
  position: relative;
  padding-left: var(--spacing-xl);
}
.chain-step::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: -var(--spacing-md);
  width: 2px;
  background: var(--color-border);
}
.chain-step:last-child::before {
  display: none;
}
.chain-step::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg-card);
}

.step-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}
.step-number {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.step-type {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.875rem;
}
.step-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  background: rgba(139, 92, 246, 0.2);
  color: var(--color-accent-purple);
  border-radius: 10px;
}

.step-content {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  word-break: break-all;
  white-space: pre-wrap;
  max-height: 150px;
  overflow-y: auto;
}
.step-content.final {
  border-color: var(--color-primary);
  background: rgba(0, 255, 65, 0.05);
}

.step-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
}

.no-decode {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .decode-buttons { justify-content: center; }
}