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#00000080;--node-hover:#ffffff0d;--empty-icon:#2e3650;--collapsed-hint-bg:#ffffff0f;--json-string:#3fb950;--json-number:#58a6ff;--json-bool:#e3b341;--json-null:#c397d8;--json-key:#79c0ff;--json-index:#c397d8;--badge-valid-bg:#1db88726;--badge-valid-fg:#1db887;--badge-lenient-bg:#e3b34126;--badge-lenient-fg:#e3b341;--lenient-bar-bg:#e3b3411a;--lenient-bar-fg:#e3b341;--lenient-bar-border:#e3b34140;--type-str-bg:#3fb95026;--type-str-fg:#3fb950;--type-num-bg:#58a6ff26;--type-num-fg:#58a6ff;--type-bool-bg:#e3b34126;--type-bool-fg:#e3b341;--type-obj-bg:#ffffff14;--type-obj-fg:#7f8ea3;--type-null-bg:#c397d826;--type-null-fg:#c397d8;--flash-bg:#1db8874d;--pulse-bg:#1db88733}html,body{background:var(--bg);height:100%;color:var(--text);overflow:hidden}.app{flex-direction:column;height:100vh;display:flex;overflow:hidden}.tool-region{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.tool-region--hidden{display:none}.tool-nav{background:#0000001f;border:1px solid #fff3;border-radius:8px;gap:2px;padding:2px;display:inline-flex}.tool-nav-btn{all:unset;cursor:pointer;color:#ffffffb3;white-space:nowrap;border-radius:6px;padding:5px 16px;font-size:13px;font-weight:600;transition:background .15s,color .15s}.tool-nav-btn:hover:not(.tool-nav-btn--active){color:#fffffff2;background:#ffffff1f}.tool-nav-btn--active{color:#fff;background:#ffffff38;font-weight:700}.app-header{background:var(--header-bg);color:#fff;border-bottom:1px solid var(--header-border);box-shadow:var(--header-shadow);flex-shrink:0;align-items:center;gap:20px;padding:12px 20px;display:flex}.app-header-inner{flex:1;align-items:center;gap:16px;display:flex}.app-logo{align-items:center;gap:10px;display:flex}.logo-icon{object-fit:contain;border-radius:8px;flex-shrink:0;width:36px;height:36px}.logo-text{letter-spacing:-.5px;font-size:20px;font-weight:700}.app-tagline{opacity:.8;font-size:13px}.theme-toggle{all:unset;cursor:pointer;color:#fff;background:#ffffff26;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;margin-left:auto;transition:background .2s,transform .2s;display:inline-flex}.theme-toggle:hover{background:#ffffff40;transform:rotate(15deg)}.app-main{flex-direction:column;flex:1;gap:10px;padding:12px 16px 10px;display:flex;overflow:hidden}.toolbar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-wrap:wrap;flex-shrink:0;align-items:center;gap:6px;padding:8px 12px;display:flex}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:500;line-height:1.4;transition:all .15s}.btn:hover:not(:disabled){background:var(--bg);border-color:var(--brand);color:var(--brand)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.btn-primary:hover:not(:disabled){background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}.btn.btn-sample{color:var(--brand);border-color:var(--brand)}.btn.btn-sample:hover:not(:disabled){background:var(--brand-light)}.editor-area{flex:1;grid-template-rows:1fr;grid-template-columns:1fr 1fr;gap:12px;min-height:0;display:grid;overflow:hidden}.editor-area.layout-side{grid-template-rows:1fr;grid-template-columns:1fr 1fr}.editor-area.layout-side.has-nav{grid-template-columns:210px 1fr 1fr}.editor-area.layout-side.has-nav-collapsed{grid-template-columns:36px 1fr 1fr}.editor-area.layout-stack{grid-template-rows:1fr 1fr;grid-template-columns:1fr}.editor-area.layout-stack.has-nav{grid-template-columns:210px 1fr}.editor-area.layout-stack.has-nav-collapsed{grid-template-columns:36px 1fr}.editor-area.layout-stack .nav-panel{grid-row:1/-1}.editor-area.layout-focus{grid-template-rows:1fr;grid-template-columns:1fr}.editor-area.layout-focus.has-nav{grid-template-rows:1fr;grid-template-columns:210px 1fr}.editor-area.layout-focus.has-nav-collapsed{grid-template-rows:1fr;grid-template-columns:36px 1fr}.focus-switcher{border:1px solid var(--border);background:var(--surface);border-radius:6px;align-items:center;gap:2px;padding:2px;display:inline-flex}.focus-tab{all:unset;cursor:pointer;color:var(--text-muted);white-space:nowrap;border-radius:4px;align-items:center;gap:5px;padding:3px 10px;font-size:12px;font-weight:600;transition:background .12s,color .12s;display:flex}.focus-tab:hover{background:var(--bg);color:var(--text)}.focus-tab--active{background:var(--brand);color:#fff}.focus-tab--active:hover{background:var(--brand-dark)}.pane.pane--hidden{display:none}.layout-picker{border:1px solid var(--border);background:var(--surface);border-radius:6px;align-items:center;gap:2px;margin-left:auto;padding:2px;display:inline-flex}.layout-btn{all:unset;cursor:pointer;width:30px;height:26px;color:var(--text-muted);border-radius:4px;justify-content:center;align-items:center;transition:background .12s,color .12s;display:flex}.layout-btn:hover{background:var(--bg);color:var(--text)}.layout-btn.active{background:var(--brand-light);color:var(--brand)}.nav-panel{flex-direction:column;min-height:0;display:flex;overflow:hidden}.pane{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;min-height:0;display:flex;overflow:hidden}.pane-header{border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 14px;display:flex}.pane-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;font-size:11px;font-weight:700}.status-badge{border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600}.status-badge.valid{background:var(--badge-valid-bg);color:var(--badge-valid-fg)}.status-badge.lenient{background:var(--badge-lenient-bg);color:var(--badge-lenient-fg)}.status-badge.invalid{background:var(--error-bg);color:var(--error)}.status-badge.extracted{color:#2675c8;background:#58a6ff26}html[data-theme=dark] .status-badge.extracted{color:#58a6ff;background:#58a6ff26}.extracted-bar{color:#2675c8;background:#58a6ff14;border-top:1px solid #58a6ff40;flex-shrink:0;padding:6px 14px;font-size:12px}html[data-theme=dark] .extracted-bar{color:#58a6ff}.json-textarea{resize:none;background:var(--surface);width:100%;color:var(--text);border:none;outline:none;flex:1;padding:12px 14px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px;line-height:1.6;overflow:auto}.json-textarea::placeholder{color:var(--text-muted)}.lenient-bar{background:var(--lenient-bar-bg);color:var(--lenient-bar-fg);border-top:1px solid var(--lenient-bar-border);flex-shrink:0;padding:6px 14px;font-size:12px}.error-bar{background:var(--error-bg);border-top:1px solid #cf222e33;flex-shrink:0}html[data-theme=dark] .error-bar{border-top-color:#f8514940}.error-bar-header{color:var(--error);align-items:center;gap:8px;padding:8px 14px;font-size:12px;display:flex}.error-bar-icon{flex-shrink:0}.error-bar-msg{flex:1;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}.error-bar-loc{white-space:nowrap;color:var(--error);background:#cf222e1a;border-radius:4px;padding:1px 6px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:11px;font-weight:700}.error-jump-btn{all:unset;cursor:pointer;color:var(--error);border:1px solid var(--error);opacity:.75;white-space:nowrap;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600;transition:opacity .15s,background .15s}.error-jump-btn:hover{opacity:1;background:var(--error-bg)}.err-code-block--bar{border-top:1px solid #cf222e26;max-height:180px;padding:6px 0 8px;overflow:auto}.tabs{gap:4px;display:flex}.tab-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:20px;padding:4px 14px;font-size:12px;font-weight:500;transition:all .15s}.tab-btn:hover{color:var(--brand);border-color:var(--brand)}.tab-btn.active{background:var(--brand);color:#fff;border-color:var(--brand)}.output-content{flex:1;min-height:0;overflow:auto}.empty-state{height:100%;min-height:300px;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.empty-icon{color:var(--empty-icon);font-family:monospace;font-size:48px;font-weight:700;line-height:1}.empty-state p{max-width:220px;font-size:14px}.output-error-panel{background:var(--error-bg);flex-direction:column;height:100%;display:flex;overflow-y:auto}.output-error-header{color:var(--error);align-items:center;gap:10px;padding:14px 16px 10px;display:flex}.output-error-title{font-size:15px;font-weight:700}.output-error-msg{color:var(--error);word-break:break-word;padding:0 16px 10px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px}.output-error-loc{align-items:center;gap:10px;padding:0 16px 12px;display:flex}.output-error-loc-badge{color:var(--error);background:#cf222e1f;border-radius:4px;padding:2px 8px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:12px;font-weight:700}.output-error-snippet{background:#0000000f;border-radius:6px;flex:1;min-height:0;margin:0 16px 12px;overflow:auto}html[data-theme=dark] .output-error-snippet{background:#0000004d}.output-error-snippet-label{text-transform:uppercase;letter-spacing:.7px;color:var(--text-muted);padding:6px 10px 4px;font-size:10px;font-weight:700}.output-error-snippet-code{padding:4px 10px 8px;overflow-x:auto}.err-code-block{white-space:pre;padding:6px 0 8px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:12.5px;line-height:1.65;overflow-x:auto}.err-line{padding:0 14px;display:block}.err-line--active{border-left:2px solid var(--error);background:#cf222e14;padding-left:12px}html[data-theme=dark] .err-line--active{background:#f851491a}.err-line-num{color:var(--text-muted);opacity:.5;-webkit-user-select:none;user-select:none}.err-line--active .err-line-num{opacity:.8;color:var(--error)}.err-line-sep{color:var(--border);-webkit-user-select:none;user-select:none}.err-line--active .err-line-sep{color:var(--error);opacity:.4}.err-line-text{color:var(--text)}.err-line--active .err-line-text{color:var(--error)}.err-caret-row{color:var(--error);opacity:.9;padding:0 14px;font-weight:700;display:block}.output-error-hint{color:var(--text-muted);border-top:1px solid #cf222e1f;padding:10px 16px 14px;font-size:12px}.json-formatted{white-space:pre;tab-size:2;color:var(--text);padding:14px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px;line-height:1.6}.tree-wrapper{padding:12px 8px}.json-tree{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13px;line-height:1.8}.json-node{position:relative}.json-node-line{white-space:nowrap;border-radius:4px;align-items:baseline;gap:2px;padding:0 4px;display:flex}.json-node-line:hover{background:var(--node-hover)}.json-children{border-left:2px solid var(--border);margin-left:9px;padding-left:20px}.toggle-btn{all:unset;cursor:pointer;width:16px;height:16px;color:var(--text-muted);flex-shrink:0;justify-content:center;align-items:center;margin-right:2px;font-size:9px;display:inline-flex}.toggle-btn:hover{color:var(--brand)}.toggle-placeholder{flex-shrink:0;width:16px;margin-right:2px;display:inline-block}.json-key{color:var(--json-key)}.json-index{color:var(--json-index);font-style:italic}.json-colon{color:var(--text-muted)}.json-bracket{color:var(--text-muted);font-weight:600}.json-comma{color:var(--text-muted)}.json-key-label{cursor:pointer;border-radius:3px;padding:0 1px;transition:background .1s,color .1s}.json-key-label:hover{background:var(--brand-light);text-underline-offset:2px;text-decoration:underline;color:var(--brand)!important}@keyframes key-flash{0%{background:var(--flash-bg)}60%{background:var(--flash-bg)}to{background:0 0}}.json-node-flash{border-radius:4px;animation:1.2s forwards key-flash}@keyframes target-pulse{0%{box-shadow:inset 3px 0 0 var(--brand);background:var(--pulse-bg)}65%{box-shadow:inset 3px 0 0 var(--brand);background:var(--pulse-bg)}to{box-shadow:none;background:0 0}}.json-node-target{border-radius:4px;animation:1.6s forwards target-pulse}.key-navigator{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;min-height:0;display:flex;overflow:hidden}.nav-header{border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.nav-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;font-size:11px;font-weight:700}.nav-count{background:var(--brand-light);color:var(--brand);border-radius:10px;padding:1px 6px;font-size:10px;font-weight:700}.nav-collapse-btn{all:unset;cursor:pointer;width:20px;height:20px;color:var(--text-muted);border-radius:4px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:inline-flex}.nav-collapse-btn:hover{background:var(--brand-light);color:var(--brand)}.key-navigator--collapsed{cursor:default;align-items:center;gap:10px;padding:10px 0}.nav-expand-btn{all:unset;cursor:pointer;width:22px;height:22px;color:var(--text-muted);border-radius:4px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:inline-flex}.nav-expand-btn:hover{background:var(--brand-light);color:var(--brand)}.nav-title-vertical{writing-mode:vertical-rl;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;-webkit-user-select:none;user-select:none;font-size:11px;font-weight:700}.nav-search-wrap{border-bottom:1px solid var(--border);flex-shrink:0;padding:6px 8px}.nav-search{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:6px;outline:none;padding:5px 8px;font-family:inherit;font-size:12px}.nav-search:focus{border-color:var(--brand);background:var(--surface)}.nav-list{flex:1;padding:4px 0;overflow-y:auto}.nav-item{all:unset;cursor:pointer;width:100%;color:var(--text);white-space:nowrap;text-overflow:ellipsis;box-sizing:border-box;align-items:center;gap:6px;padding:4px 8px 4px 10px;font-size:12px;transition:background .1s;display:flex;overflow:hidden}.nav-item:hover{background:var(--bg);color:var(--brand)}.nav-item.active{background:var(--brand-light);color:var(--brand);font-weight:600}.nav-type-badge{text-align:center;letter-spacing:-.3px;border-radius:3px;flex-shrink:0;min-width:26px;padding:1px 3px;font-family:monospace;font-size:9px;font-weight:700}.type-string{background:var(--type-str-bg);color:var(--type-str-fg)}.type-number{background:var(--type-num-bg);color:var(--type-num-fg)}.type-bool{background:var(--type-bool-bg);color:var(--type-bool-fg)}.type-object,.type-array{background:var(--type-obj-bg);color:var(--type-obj-fg)}.type-null{background:var(--type-null-bg);color:var(--type-null-fg)}.nav-label{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.nav-empty{text-align:center;color:var(--text-muted);padding:20px 8px;font-size:12px}.json-collapsed-hint{color:var(--text-muted);cursor:pointer;background:var(--collapsed-hint-bg);border-radius:4px;margin:0 4px;padding:0 6px;font-size:11px;font-style:italic}.json-collapsed-hint:hover{background:var(--brand-light);color:var(--brand)}.app-footer{color:var(--text-muted);border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;justify-content:center;align-items:center;gap:10px;padding:6px 16px;font-size:11px;display:flex}.app-footer-text{white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:6px;display:flex;overflow:hidden}.app-footer-version{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);white-space:nowrap;border-radius:4px;flex-shrink:0;padding:1px 6px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:10px;font-weight:600}.app-footer-dismiss{all:unset;cursor:pointer;width:18px;height:18px;color:var(--text-muted);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;font-size:10px;transition:background .12s,color .12s;display:flex}.app-footer-dismiss:hover{background:var(--bg);color:var(--text)}@media (width<=768px){.editor-area,.editor-area.has-nav{grid-template-columns:1fr}.app-main{padding:8px}html,body{overflow:auto}.app{height:auto;min-height:100vh}}