* { margin: 0; padding: 0; box-sizing: border-box; }

body { font-family: Arial, sans-serif; padding: 20px; background: #f5f5f5; }

.container { max-width: 1200px; margin: 0 auto; }

h1 { color: #333; margin-bottom: 20px; }

.input-section { background: white; padding: 20px; border-radius: 8px; margin-bottom: 20px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }

.editor-wrapper { display: flex; border: 1px solid #ddd; border-radius: 4px; overflow: hidden; height: 400px; }

.line-numbers { background: #f0f0f0; color: #666; padding: 10px 8px; text-align: right; font-family: monospace; font-size: 14px; line-height: 1.5; user-select: none; min-width: 40px; white-space: pre; overflow-y: auto; overflow-x: hidden; }

textarea { flex: 1; padding: 10px; border: none; font-family: monospace; font-size: 14px; line-height: 1.5; resize: none; outline: none; overflow-y: auto; }

.button-group { display: flex; gap: 10px; margin-top: 10px; }

button { background: #007bff; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; }

button:hover { background: #0056b3; }

.output-section { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }

.field-item { display: flex; align-items: center; padding: 8px; border-bottom: 1px solid #eee; }

.field-path { font-weight: bold; color: #333; min-width: 200px; font-family: monospace; }

.field-value { flex: 1; margin: 0 10px; font-family: monospace; word-break: break-all; }

.copy-btn { background: #28a745; color: white; border: none; padding: 4px 8px; border-radius: 3px; cursor: pointer; font-size: 12px; margin: 0 2px; }

.copy-btn:hover { background: #1e7e34; }

.error { color: #dc3545; margin-top: 10px; }