*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#fff;color:#24292e}#root{height:100vh;width:100vw}.app{display:flex;flex-direction:column;height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app-header{background:#282c34;color:#fff;padding:1rem 2rem;text-align:center;border-bottom:2px solid #61dafb}.app-header h1{margin:0 0 .5rem;font-size:2rem;color:#61dafb}.app-header p{margin:0;color:#abb2bf;font-size:.9rem}.app-main{display:flex;flex:1;min-height:0}.app-footer{background:#f6f8fa;border-top:1px solid #e1e4e8;padding:.5rem 1rem;font-size:12px;color:#586069;min-height:32px;display:flex;align-items:center}.footer-content{display:flex;justify-content:space-between;align-items:center;width:100%;gap:1rem}.cursor-info{font-weight:500;color:#24292e}.stats-info{color:#6a737d}.error-info{color:#d73a49;font-weight:500;max-width:50%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel{flex:1;display:flex;flex-direction:column;min-width:0}.input-panel{border-right:1px solid #e1e4e8}.panel h2{background:#f6f8fa;margin:0;padding:.75rem 1rem;border-bottom:1px solid #e1e4e8;font-size:1rem;color:#24292e;font-weight:600}.panel-header{display:flex;justify-content:space-between;align-items:center;background:#f6f8fa;padding:.75rem 1rem;border-bottom:1px solid #e1e4e8}.panel-header h2{background:none;margin:0;padding:0;border:none;font-size:1rem;color:#24292e;font-weight:600}.header-buttons{display:flex;align-items:center;gap:8px}.control-button{background:none;border:1px solid #d1d9e0;border-radius:6px;padding:6px 8px;cursor:pointer;color:#656d76;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.control-button:hover{background:#f3f4f6;border-color:#9ca3af;color:#374151}.copy-button{background:none;border:1px solid #d1d9e0;border-radius:6px;padding:6px 8px;cursor:pointer;color:#656d76;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.copy-button:hover{background:#f3f4f6;border-color:#9ca3af;color:#374151}.copy-button.copied{background:#dcfce7;border-color:#16a34a;color:#16a34a}.json-textarea{flex:1;border:none;outline:none;padding:1rem;font-family:Monaco,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;resize:none;background:#fff;color:#24292e}.json-input-container{position:relative;flex:1;display:flex;flex-direction:column}.json-textarea{flex:1;border:none;outline:none;padding:1rem;font-family:Monaco,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;resize:none;background:#fff;color:#24292e;position:relative;z-index:2;pointer-events:auto;user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}.json-textarea.has-error{border-left:4px solid #d73a49;background:#ffeaea}.json-textarea::placeholder{color:#6a737d;font-style:italic}.error-overlay{position:absolute;inset:1rem;font-family:Monaco,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;color:transparent;pointer-events:none;white-space:pre-wrap;word-wrap:break-word;overflow:hidden;z-index:1}.json-input-highlight{display:block;width:100%;height:100%}.error-highlight{background:#d73a49;color:#fff;padding:0 2px;border-radius:2px;font-weight:700;animation:pulse-error 1s infinite}@keyframes pulse-error{0%,to{opacity:1}50%{opacity:.7}}.json-output{flex:1;margin:0;padding:1rem;font-family:Monaco,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;background:#f8f9fa;color:#24292e;overflow:auto;white-space:pre-wrap;word-wrap:break-word}.json-key{color:#032f62;font-weight:700}.json-string{color:#22863a}.json-number{color:#005cc5}.json-boolean{color:#d73a49;font-weight:700}.json-null{color:#6f42c1;font-weight:700;font-style:italic}.json-type-object{color:#e36209;font-weight:700}.json-type-array{color:#0969da;font-weight:700}.json-type-string{border-left:3px solid #22863a;padding-left:4px}.json-type-number{border-left:3px solid #005cc5;padding-left:4px}.json-type-boolean{border-left:3px solid #d73a49;padding-left:4px}.json-type-null{border-left:3px solid #6f42c1;padding-left:4px}.json-container{display:inline}.json-toggle{color:#586069;cursor:pointer;-webkit-user-select:none;user-select:none;display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;margin-right:4px;border-radius:3px;transition:all .2s ease;vertical-align:middle}.json-toggle:hover{color:#0366d6;background:#f1f8ff}.json-toggle svg{transition:transform .15s ease}.json-line{display:block;white-space:nowrap}.json-content{display:block}.json-colon{color:#24292e;margin:0 4px 0 0}.json-comma{color:#24292e}.json-ellipsis{color:#586069;font-style:italic;margin-left:4px}.error-message{flex:1;padding:1rem;background:#ffeaea;color:#d73a49;font-family:Monaco,Menlo,Consolas,monospace;font-size:14px;border-left:4px solid #d73a49;margin:0}@media (max-width: 768px){.app-main{flex-direction:column}.input-panel{border-right:none;border-bottom:1px solid #e1e4e8}.panel{min-height:300px}.footer-content{flex-direction:column;align-items:flex-start;gap:.25rem}.error-info{max-width:100%}}