.json-viewer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.json-viewer-modal {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 1200px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.json-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-default);
  background: var(--color-bg-base);
}

.json-viewer-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.json-viewer-actions {
  display: flex;
  gap: 8px;
}

.json-viewer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.json-viewer-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.json-viewer-content {
  flex: 1;
  overflow: auto;
  padding: 16px;
  font-family: var(--font-family-mono);
  font-size: 12px;
  line-height: 1.6;
}

.json-tree-node {
  margin-bottom: 4px;
}

.json-tree-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.json-tree-header:hover {
  background: var(--color-bg-hover);
}

.json-tree-expander {
  display: flex;
  align-items: center;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.json-tree-key {
  color: #9cdcfe;
  font-weight: 500;
  margin-right: 4px;
}

.json-tree-preview {
  color: var(--color-text-tertiary);
  font-style: italic;
}

.json-tree-children {
  margin-left: 20px;
  padding-left: 12px;
  border-left: 1px solid var(--color-border-subtle);
}

.json-tree-leaf {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.json-tree-leaf:hover {
  background: var(--color-bg-hover);
}

.json-tree-value {
  font-family: var(--font-family-mono);
}

.json-string {
  color: #ce9178;
}

.json-number {
  color: #b5cea8;
}

.json-boolean {
  color: #569cd6;
}

.json-null {
  color: #569cd6;
  font-style: italic;
}

.json-array {
  color: #4ec9b0;
}

.json-object {
  color: #4ec9b0;
}

.json-viewer-content::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.json-viewer-content::-webkit-scrollbar-track {
  background: var(--color-bg-base);
}

.json-viewer-content::-webkit-scrollbar-thumb {
  background: var(--color-border-default);
  border-radius: 5px;
}

.json-viewer-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}