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64px - var(--spacing-md))}.editor-panel{min-height:300px}}@media(max-width:768px){.toolbar{flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-md) 0}.status-bar{justify-content:center;flex-wrap:wrap}}.json-tree-view{display:flex;flex-direction:column;gap:var(--spacing-md);height:calc(100vh - 60px);min-height:500px}.json-tree-view .toolbar{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);background:var(--color-bg-elevated);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.json-tree-view .toolbar-btn{font-weight:500}.json-tree-view .toolbar-btn.icon-only{width:40px;padding:0}.json-tree-view .editor-panel{display:flex;flex-direction:column;background:var(--color-bg-elevated);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.json-tree-view .panel-header{display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-lg);height:30px;border-bottom:1px solid var(--color-divider)}.json-tree-view .panel-title{font-size:12px;font-weight:600;color:var(--color-text-primary)}.json-tree-view .editor-wrapper{flex:1;min-height:0}.content-container{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);min-height:0}.tree-panel{display:flex;flex-direction:column;background:var(--color-bg-elevated);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.tree-wrapper{flex:1;overflow:auto;min-height:0}.tree-placeholder,.tree-error{display:flex;align-items:center;justify-content:center;height:100%;color:var(--color-text-secondary);font-size:14px}.tree-error{color:var(--color-error)}.tree-content{font-family:var(--font-mono);font-size:13px;line-height:1.8}.tree-node-container{-webkit-user-select:none;user-select:none}.tree-node{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast)}.tree-node:hover,[data-theme=dark] .tree-node:hover{background:var(--color-bg-tertiary)}[data-theme=dark] .tree-node:hover{background:var(--color-bg-secondary)}.tree-node.highlight{background:#007aff1a}.expand-icon{width:16px;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--color-text-secondary)}.expand-placeholder{width:16px}.node-key{color:var(--color-json-key);font-weight:500}.node-colon{color:var(--color-text-secondary);margin:0 var(--spacing-xs)}.node-type{color:var(--color-text-secondary);font-size:12px;font-style:italic}.node-value{font-family:var(--font-mono)}.node-value.type-string{color:var(--color-json-string)}.node-value.type-number{color:var(--color-json-number)}.node-value.type-boolean{color:var(--color-json-boolean)}.node-value.type-null{color:var(--color-json-null);font-style:italic}.node-actions{margin-left:auto;display:flex;gap:var(--spacing-xs);opacity:0;transition:opacity var(--transition-fast)}.tree-node:hover .node-actions{opacity:1}.action-btn{width:24px;height:24px;border:none;background:transparent;color:var(--color-text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:12px;transition:all var(--transition-fast)}.action-btn:hover{background:var(--color-bg-secondary);color:var(--color-accent)}.tree-children{border-left:1px solid var(--color-border);margin-left:12px}@media(max-width:1024px){.content-container{grid-template-columns:1fr}.json-tree-view{height:auto;min-height:calc(100vh - 64px - var(--spacing-md) * 2)}.tree-panel,.editor-panel{min-height:300px}}@media(max-width:768px){.toolbar{flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-md)}}.json-validator{display:flex;flex-direction:column;gap:var(--spacing-md);height:calc(100vh - 72px - var(--spacing-sm));min-height:500px}.json-validator .toolbar{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);background:var(--color-bg-elevated);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.json-validator .toolbar-btn{font-weight:500}.json-validator .toolbar-btn.icon-only{width:40px;padding:0}.json-validator .content-container{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);min-height:0}.json-validator .editor-panel{display:flex;flex-direction:column;background:var(--color-bg-elevated);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.json-validator .panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-divider)}.json-validator .panel-title{font-size:14px;font-weight:600;color:var(--color-text-primary)}.json-validator .status-badge{display:flex;align-items:center;gap:var(--spacing-xs);font-size:12px;font-weight:500;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full)}.json-validator .status-badge.valid{color:var(--color-success);background:#34c7591a}.json-validator .status-badge.invalid{color:var(--color-error);background:#ff3b301a}.json-validator .editor-wrapper{flex:1;min-height:0}.info-panel{display:flex;flex-direction:column;background:var(--color-bg-elevated);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.info-content{flex:1;padding:var(--spacing-lg);overflow:auto;display:flex;flex-direction:column;gap:var(--spacing-md)}.info-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--color-text-secondary);text-align:center;gap:var(--spacing-md)}.placeholder-icon{font-size:48px;color:var(--color-text-tertiary)}.error-card{border:1px solid rgba(255,59,48,.3);background:#ff3b300d}.error-card .ant-card-body{padding:var(--spacing-lg)}.error-header{display:flex;align-items:center;gap:var(--spacing-sm);font-size:16px;font-weight:600;color:var(--color-error);margin-bottom:var(--spacing-md)}.error-icon{font-size:20px}.error-details{display:flex;flex-direction:column;gap:var(--spacing-sm)}.error-message{font-family:var(--font-mono);font-size:13px;color:var(--color-text-primary);background:var(--color-bg-tertiary);padding:var(--spacing-md);border-radius:var(--radius-sm);word-break:break-all}.error-position{font-size:13px;color:var(--color-text-secondary)}.success-card{border:1px solid rgba(52,199,89,.3);background:#34c7590d}.success-card .ant-card-body{padding:var(--spacing-lg)}.success-header{display:flex;align-items:center;gap:var(--spacing-sm);font-size:16px;font-weight:600;color:var(--color-success)}.success-icon{font-size:20px}.stats-card{flex:1}.stats-card .ant-card-head{min-height:auto;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-divider)}.stats-card .ant-card-head-title{font-size:14px;font-weight:600}.stats-card .ant-card-body{padding:var(--spacing-lg)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md)}.stat-item{display:flex;flex-direction:column;gap:var(--spacing-xs);padding:2px 4px;background:var(--color-bg-tertiary);border-radius:var(--radius-md);font-size:12px}.stat-label{font-size:12px;color:var(--color-text-secondary);font-weight:500}.stat-value{font-size:18px;font-weight:600;font-family:var(--font-mono);color:var(--color-text-primary)}.stat-value.type-string{color:var(--color-json-string)}.stat-value.type-number{color:var(--color-json-number)}.stat-value.type-boolean{color:var(--color-json-boolean)}.stat-value.type-null{color:var(--color-json-null)}.stat-value.type-object,.stat-value.type-array{color:var(--color-accent)}@media(max-width:1024px){.content-container{grid-template-columns:1fr}.json-validator{height:auto;min-height:calc(100vh - 64px - var(--spacing-md) * 2)}.info-panel,.editor-panel{min-height:300px}}@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.main-content{flex:1;padding:var(--spacing-lg);padding-top:calc(48px + var(--spacing-sm));padding-bottom:var(--spacing-md);max-width:2000px;width:100%;margin:0 auto;animation:slideUp .4s ease-out;overflow:hidden}@media(max-width:768px){.main-content{padding:var(--spacing-md);padding-top:calc(48px + var(--spacing-md))}}:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f5f5f7;--color-bg-tertiary: #fafafa;--color-bg-elevated: #ffffff;--color-text-primary: #1d1d1f;--color-text-secondary: #86868b;--color-text-tertiary: #a1a1a6;--color-accent: #007aff;--color-accent-hover: #0056b3;--color-success: #34c759;--color-warning: #ff9500;--color-error: #ff3b30;--color-border: rgba(0, 0, 0, .08);--color-divider: rgba(0, 0, 0, .05);--color-json-key: #1d1d1f;--color-json-string: #34c759;--color-json-number: #007aff;--color-json-boolean: #ff9500;--color-json-null: #86868b;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .16);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Monaco, "Cascadia Code", monospace;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}[data-theme=dark]{--color-bg-primary: #000000;--color-bg-secondary: #1c1c1e;--color-bg-tertiary: #2c2c2e;--color-bg-elevated: #1c1c1e;--color-text-primary: #f5f5f7;--color-text-secondary: #a1a1a6;--color-text-tertiary: #636366;--color-accent: #0a84ff;--color-accent-hover: #409cff;--color-border: rgba(255, 255, 255, .1);--color-divider: rgba(255, 255, 255, .06);--color-json-key: #f5f5f7;--color-json-string: #30d158;--color-json-number: #64d2ff;--color-json-boolean: #ffd60a;--color-json-null: #636366;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .6)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}body{font-family:var(--font-sans);background:var(--color-bg-secondary);color:var(--color-text-primary);line-height:1.5;height:100vh;overflow:hidden;transition:background-color var(--transition-normal),color var(--transition-normal)}#root{height:100vh;display:flex;flex-direction:column;overflow:hidden}h1,h2,h3,h4,h5,h6{font-weight:600;letter-spacing:-.02em}code,pre{font-family:var(--font-mono)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-text-tertiary);border-radius:var(--radius-full);opacity:0}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}::selection{background:var(--color-accent);color:#fff}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn var(--transition-normal) ease-out}.slide-up{animation:slideUp var(--transition-normal) ease-out}.glass{background:#ffffffb8;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%)}[data-theme=dark] .glass{background:#1c1c1eb8}.monaco-editor{border-radius:var(--radius-md)!important}.monaco-editor .margin{background:transparent!important}