:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;--brand: #10b981;--brand-2: #0ea5e9;--radius: 10px;--radius-sm: 7px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 16px rgba(15, 23, 42, .1);--header-h: 56px;--toolbar-h: 52px}:root,[data-theme=light]{--bg: #f1f5f9;--bg-panel: #ffffff;--bg-elev: #f8fafc;--bg-hover: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #0f172a;--text-muted: #64748b;--text-faint: #94a3b8;--tv-key: #0369a1;--tv-string: #15803d;--tv-number: #b45309;--tv-bool: #9333ea;--tv-null: #94a3b8;--tv-index: #64748b;--tv-punct: #475569;--ok: #059669;--ok-bg: #ecfdf5;--err: #dc2626;--err-bg: #fef2f2;--hl-bg: #fde68a;--hl-text: #78350f}[data-theme=dark]{--bg: #0b1120;--bg-panel: #0f172a;--bg-elev: #131c2e;--bg-hover: #1e293b;--border: #1e293b;--border-strong: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--text-faint: #64748b;--tv-key: #7dd3fc;--tv-string: #86efac;--tv-number: #fcd34d;--tv-bool: #d8b4fe;--tv-null: #64748b;--tv-index: #94a3b8;--tv-punct: #94a3b8;--ok: #34d399;--ok-bg: #064e3b40;--err: #f87171;--err-bg: #7f1d1d33;--hl-bg: #ca8a04;--hl-text: #fffbeb}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font-family:inherit;cursor:pointer}::selection{background:color-mix(in srgb,var(--brand) 30%,transparent)}.app{display:flex;flex-direction:column;height:100%;min-height:0}.header{height:var(--header-h);flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px}.brand-logo{display:inline-flex;filter:drop-shadow(0 2px 6px rgba(16,185,129,.25))}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-name{font-weight:700;font-size:16px;letter-spacing:-.01em}.brand-tag{font-size:11px;color:var(--text-muted)}.header-actions{display:flex;align-items:center;gap:8px}.header-link{font-size:12px;color:var(--text-muted);text-decoration:none;padding:6px 10px;border-radius:var(--radius-sm)}.header-link:hover{color:var(--text);background:var(--bg-hover)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);background:var(--bg-elev);color:var(--text-muted);border-radius:var(--radius-sm);transition:color .15s,background .15s,border-color .15s}.icon-btn:hover{color:var(--brand);border-color:var(--brand)}.toolbar{height:var(--toolbar-h);flex:none;display:flex;align-items:center;gap:6px;padding:0 12px;background:var(--bg-panel);border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:thin}.toolbar-group{display:flex;align-items:center;gap:4px}.toolbar-divider{width:1px;height:24px;background:var(--border);margin:0 4px;flex:none}.btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 11px;font-size:13px;font-weight:500;color:var(--text);background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);white-space:nowrap;transition:background .15s,border-color .15s,color .15s,transform .05s}.btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-strong)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn--primary:hover:not(:disabled){background:color-mix(in srgb,var(--brand) 88%,black);border-color:color-mix(in srgb,var(--brand) 88%,black)}.btn--danger:hover:not(:disabled){color:var(--err);border-color:var(--err)}.btn svg{flex:none}.mobile-tabs{display:none}.panels{flex:1;min-height:0;display:grid;grid-template-columns:1fr 1fr}.panel{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg-panel)}.panel--editor{border-right:1px solid var(--border)}.editor{flex:1;min-height:0;overflow:hidden}.editor .cm-editor{height:100%;font-size:13px}.editor .cm-scroller{font-family:var(--font-mono);line-height:1.6}.editor .cm-editor.cm-focused{outline:none}.editor .cm-gutters{border-right:1px solid var(--border)}.statusbar{flex:none;display:flex;align-items:center;gap:8px;height:34px;padding:0 14px;font-size:12.5px;border-top:1px solid var(--border);background:var(--bg-elev)}.statusbar--ok{color:var(--ok)}.statusbar--error{color:var(--err);background:var(--err-bg)}.statusbar--neutral{color:var(--text-muted)}.statusbar-dot{width:8px;height:8px;border-radius:50%;background:var(--text-faint)}.statusbar-msg{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.statusbar-loc{opacity:.85}.statusbar-stats{margin-left:auto;display:flex;gap:14px;color:var(--text-muted);font-variant-numeric:tabular-nums}.statusbar-stats span{white-space:nowrap}.searchbar{flex:none;display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border-bottom:1px solid var(--border);background:var(--bg-panel)}.searchbar-icon{display:inline-flex;color:var(--text-faint)}.searchbar-input{flex:1;min-width:0;height:100%;border:none;background:transparent;color:var(--text);font-size:13.5px;outline:none}.searchbar-input::placeholder{color:var(--text-faint)}.searchbar-input:disabled{cursor:not-allowed}.searchbar-count{font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.searchbar-clear{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:none;background:transparent;color:var(--text-faint);border-radius:6px}.searchbar-clear:hover{background:var(--bg-hover);color:var(--text)}.tree-scroll{flex:1;min-height:0;overflow:auto;padding:10px 8px 24px}.treeview{font-family:var(--font-mono);font-size:13px;line-height:1.7}.tv-node{position:relative}.tv-row{display:flex;align-items:center;gap:2px;padding-left:calc(var(--depth, 0) * 18px);border-radius:6px;min-height:24px;scroll-margin:60px}.tv-row:hover{background:var(--bg-hover)}.tv-row--match{background:color-mix(in srgb,var(--hl-bg) 22%,transparent)}.tv-toggle{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;flex:none;border:none;background:transparent;color:var(--text-muted);border-radius:4px;padding:0}.tv-toggle:hover{background:var(--border);color:var(--text)}.tv-toggle svg{transition:transform .12s ease}.tv-toggle.is-open svg{transform:rotate(90deg)}.tv-toggle--leaf{cursor:default}.tv-key{display:inline-flex;align-items:baseline;white-space:nowrap}.tv-key>:first-child{color:var(--tv-key);font-weight:500}.tv-key-index{color:var(--tv-index)!important;font-weight:400!important}.tv-key-root{color:var(--text-muted)!important;font-weight:600!important}.tv-colon{color:var(--tv-punct);margin:0 6px 0 1px}.tv-summary{border:none;background:transparent;color:var(--text-muted);font-family:inherit;font-size:12.5px;padding:1px 6px;border-radius:5px}.tv-summary:hover{background:var(--border);color:var(--text)}.tv-value{white-space:pre-wrap;word-break:break-word}.tv-string{color:var(--tv-string)}.tv-number{color:var(--tv-number)}.tv-boolean{color:var(--tv-bool)}.tv-null{color:var(--tv-null);font-style:italic}.tv-children{position:relative}.tv-children:before{content:"";position:absolute;top:0;bottom:12px;left:calc(var(--depth, 0) * 18px + 26px);width:1px;background:var(--border)}.tv-closing{color:var(--tv-punct);padding-left:calc((var(--depth, 0) + 1) * 18px + 6px);font-size:12.5px}.tv-actions{display:inline-flex;gap:2px;margin-left:8px;opacity:0;transition:opacity .12s}.tv-actions.is-visible{opacity:1}.tv-action{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border:none;background:transparent;color:var(--text-faint);border-radius:5px}.tv-action:hover{background:var(--border);color:var(--brand)}.hl{background:var(--hl-bg);color:var(--hl-text);border-radius:3px;padding:0 1px}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;height:100%;padding:32px 24px;color:var(--text-muted)}.placeholder-art{color:var(--brand);margin-bottom:18px}.placeholder-art--error{color:var(--err)}.placeholder-title{font-size:17px;font-weight:650;color:var(--text);margin:0 0 8px}.placeholder-text{font-size:13.5px;max-width:340px;line-height:1.5;margin:0 0 18px}.placeholder--error .placeholder-text{font-family:var(--font-mono);font-size:12.5px;color:var(--err);background:var(--err-bg);padding:10px 14px;border-radius:var(--radius-sm);max-width:420px;word-break:break-word}.placeholder-loc{font-size:12.5px;color:var(--text-muted)}.toast-region{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:100;pointer-events:none}.toast{display:inline-flex;align-items:center;padding:9px 16px;font-size:13px;font-weight:500;color:#fff;background:#1e293b;border-radius:999px;box-shadow:var(--shadow-md);animation:toast-in .18s ease}.toast--success{background:var(--ok)}.toast--error{background:var(--err)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.tree-scroll::-webkit-scrollbar,.toolbar::-webkit-scrollbar{width:10px;height:10px}.tree-scroll::-webkit-scrollbar-thumb,.toolbar::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:6px;border:2px solid var(--bg-panel)}.tree-scroll::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}@media(max-width:760px){.header-link,.brand-tag{display:none}.mobile-tabs{display:flex;flex:none;gap:4px;padding:8px 12px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.mobile-tab{flex:1;height:36px;border:1px solid var(--border);background:var(--bg-elev);color:var(--text-muted);border-radius:var(--radius-sm);font-size:13px;font-weight:600}.mobile-tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff}.panels{grid-template-columns:1fr}.panel{display:none}.panel.is-active{display:flex}.panel--editor{border-right:none}.btn span{display:none}.btn{padding:0 10px}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}