:root{color-scheme:light;--bg:#f3f5fa;--panel:#fff;--text:#202536;--muted:#647089;--border:#dde2ee;--accent:#6a50e5;--node:#f5f2ff;--key:#7451cb;--string:#16836b;--number:#bd6717;--bool:#356bcc;--null:#9a4c85}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,sans-serif}body.dark{color-scheme:dark;--bg:#11141e;--panel:#1b2030;--text:#e5e9f5;--muted:#a1adc6;--border:#343c51;--node:#272440;--key:#b8a0ff;--string:#65d8ad;--number:#f4b46d;--bool:#86b3ff;--null:#e399cc}header{padding:22px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:var(--panel)}.brand{display:flex;gap:13px;align-items:center}.logo{background:var(--accent);color:white;border-radius:10px;padding:7px 10px;font:700 23px monospace}h1{font-size:22px;margin:0;letter-spacing:-.7px}.sub{font-size:14px;color:var(--muted)}button,.upload{font:500 14px system-ui;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:9px 13px;border-radius:8px;cursor:pointer}button:hover,.upload:hover{border-color:var(--accent)}button:focus-visible,textarea:focus-visible,.upload:focus-within{outline:3px solid #a799f3;outline-offset:2px}.primary{background:var(--accent);color:#fff;border-color:var(--accent)}main{padding:26px 32px}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}h2{font-size:20px;margin:0 0 3px}.privacy{font-size:14px;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(280px,36%) minmax(0,1fr);gap:20px}.panel{border:1px solid var(--border);border-radius:12px;background:var(--panel);overflow:hidden}.bar{min-height:64px;padding:13px 18px;display:flex;gap:8px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.bar strong{font-size:14px}.actions{display:flex;gap:7px;flex-wrap:wrap;align-items:center}.editor{width:100%;height:510px;resize:vertical;border:0;padding:20px;background:var(--panel);color:var(--text);font:14px/1.7 ui-monospace,monospace;tab-size:2;outline-offset:-4px}.bottom{padding:13px 18px;border-top:1px solid var(--border);display:flex;gap:10px;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}.tabs{display:flex;background:var(--bg);padding:3px;border-radius:8px}.tabs button{border:0;background:transparent}.tabs button[aria-selected=true]{background:var(--panel);box-shadow:0 1px 4px #0001;color:var(--accent)}.tools{padding:12px 18px;display:flex;gap:7px;align-items:center;border-bottom:1px solid var(--border)}.tools span{font-size:13px;color:var(--muted);margin-left:auto}.viewport{height:458px;overflow:auto;background-image:radial-gradient(var(--border) 1px,transparent 1px);background-size:20px 20px;padding:30px}.map{display:inline-flex;align-items:center;transform-origin:top left;min-width:100%;padding:10px 20px 50px 0}.branch{display:flex;align-items:center;position:relative}.children{display:flex;flex-direction:column;margin-left:42px;gap:12px;position:relative}.children:before{content:'';position:absolute;left:-22px;top:0;bottom:0;width:1px;background:var(--border)}.children>.branch:before{content:'';position:absolute;left:-22px;top:50%;width:22px;border-top:1px solid var(--border)}.branch:has(>.children):after{content:'';position:absolute;left:180px;top:50%;width:21px;border-top:1px solid var(--border)}.node{width:180px;flex-shrink:0;text-align:left;padding:10px 12px;background:var(--node);border:1px solid var(--border);border-radius:9px;box-shadow:0 2px 5px #00004}.node .name{display:block;font:600 14px ui-monospace,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.node .value{display:block;font:12px/1.7 ui-monospace,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}.node.root{background:var(--accent);color:white}.node.root .value{color:#e3dcff}.key{color:var(--key)}.string{color:var(--string)}.number{color:var(--number)}.boolean{color:var(--bool)}.null{color:var(--null)}pre{margin:0;padding:22px;font:14px/1.8 ui-monospace,monospace;white-space:pre;min-height:458px}.codeview{height:510px;overflow:auto}.legend{display:flex;gap:16px}.error{color:#d44356;padding:12px 18px;font-size:14px;white-space:pre-wrap}.notice{font-size:14px;padding:10px 18px;color:var(--muted)}[hidden]{display:none!important}footer{padding-top:18px;font-size:13px;color:var(--muted)}@media(max-width:800px){header{padding:16px}main{padding:18px 14px}.workspace{grid-template-columns:1fr}.intro{align-items:flex-start;gap:12px;flex-direction:column}.editor{height:300px}.bar{flex-wrap:wrap}.viewport{height:420px}.legend{gap:10px}.sub{font-size:13px}}
.input-controls{padding:10px 18px;border-bottom:1px solid var(--border);display:flex;gap:8px;flex-wrap:wrap}.repair-status{padding:12px 18px;background:var(--node);border-bottom:1px solid var(--border);font-size:14px}.bottom{flex-wrap:wrap}.tools{flex-wrap:wrap}
.workspace{grid-template-columns:minmax(0,var(--split,36fr)) 14px minmax(0,var(--remaining,64fr));gap:0}.panel{min-width:0}.bar{flex-wrap:wrap}.divider{cursor:col-resize;touch-action:none;position:relative;align-self:stretch}.divider:before{content:'';position:absolute;width:4px;left:5px;top:40%;height:70px;border-radius:3px;background:var(--border)}.divider:hover:before,.divider:focus-visible:before{background:var(--accent)}body.resizing{cursor:col-resize;user-select:none}body.panel-expanded{overflow:hidden}.panel.full-viewport{position:fixed;inset:0;z-index:100;border-radius:0;display:flex;flex-direction:column;height:100dvh;overflow:hidden}.full-viewport>.editor{flex:1;min-height:0;height:auto;resize:none}.full-viewport>#mapview,.full-viewport>#codeview{flex:1;min-height:0;display:flex;flex-direction:column}.full-viewport .viewport,.full-viewport .codeview{flex:1;min-height:0;height:auto}.full-viewport>.bar,.full-viewport>.input-controls,.full-viewport>.bottom,.full-viewport>.error,.full-viewport>.repair-status,.full-viewport>.notice{flex-shrink:0}.full-viewport>.error,.full-viewport>.repair-status{max-height:25dvh;overflow:auto}@media(max-width:800px){.workspace{grid-template-columns:minmax(0,1fr);gap:18px}.divider{display:none}}

/* Vertical directory-style tree */
.map{display:block;min-width:100%;padding:0 0 32px;transform-origin:top left}
.branch{display:block;position:relative;padding:4px 0}
.children{display:block;margin:4px 0 0 22px;padding-left:14px}
.children:before{left:0;top:0;bottom:24px}
.children>.branch:before{left:-14px;top:25px;width:14px}
.branch:has(>.children):after{display:none}
.node{display:flex;align-items:flex-start;gap:14px;width:100%;max-width:680px;min-width:220px;padding:10px 12px;box-shadow:none}
.node .name{flex:0 1 45%;min-width:80px;white-space:normal;overflow-wrap:anywhere;font-size:14px;line-height:1.6}
.node .value{flex:1;white-space:normal;overflow-wrap:anywhere;line-height:1.6;font-size:14px}
.viewport{padding:20px;background-image:none}
@media(max-width:800px){.children{margin-left:12px;padding-left:10px}.children>.branch:before{left:-10px;width:10px}.viewport{padding:14px}.node{gap:8px}}
.sort-option{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:14px;cursor:pointer}.sort-option input{width:18px;height:18px;margin:0;accent-color:var(--accent)}

.editor-shell{display:flex;height:510px;min-height:0}.editor-shell>.editor{flex:1;min-width:0;height:100%;resize:none}.line-gutter{width:54px;flex-shrink:0;overflow:hidden;background:var(--bg);color:var(--muted);border-right:1px solid var(--border)}#linenumbers{padding:20px 8px;text-align:right;white-space:pre;font:14px/1.7 ui-monospace,monospace}.full-viewport>.editor-shell{flex:1;height:auto}.search-tools input{flex:1;min-width:120px;max-width:300px;padding:9px;border:1px solid var(--border);border-radius:7px;background:var(--bg);color:var(--text);font-size:14px}.tools select{padding:8px;border:1px solid var(--border);border-radius:7px;background:var(--panel);color:var(--text);font-size:14px}.branch>.node{width:calc(100% - 94px)}.copy-path{position:absolute;right:0;top:7px;padding:7px 8px;font-size:12px}.search-match>.node{outline:2px solid var(--accent)}mark{background:#ffdc65;color:#242424;border-radius:2px}.code-line-number{display:inline-block;min-width:42px;margin-right:18px;text-align:right;color:var(--muted);user-select:none}.code-line{display:inline}#repairchanges pre{min-height:0;max-height:180px;padding:12px;overflow:auto;white-space:pre-wrap;font-size:14px}#repairchanges summary{cursor:pointer;font-weight:600}#duplicates{color:var(--number)}@media(max-width:800px){.editor-shell{height:300px}.copy-path{position:static;margin:4px 0}.branch>.node{width:100%}}
.drop-hint{padding:10px 18px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--border)}#inputpanel.drag-over{outline:3px dashed var(--accent);outline-offset:-4px}#inputpanel.drag-over .drop-hint{background:var(--node);color:var(--key);font-weight:600}.full-viewport>.drop-hint{flex-shrink:0}




header{flex-wrap:wrap;gap:16px}.site-nav{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.site-nav a{color:var(--muted);text-decoration:none;font-size:14px;padding:8px 11px;border-radius:7px}.site-nav a:hover,.site-nav a[aria-current=page]{background:var(--node);color:var(--key)}a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.doc-main{max-width:960px;margin:auto}.doc-card{padding:28px;margin-top:20px;border:1px solid var(--border);background:var(--panel);border-radius:12px}.doc-card h2{margin:24px 0 10px;font-size:20px}.doc-card h2:first-child{margin-top:0}.doc-card p,.doc-card li{line-height:1.75}.doc-card a{color:var(--key)}.doc-card pre{min-height:0;overflow:auto;background:var(--bg);border-radius:8px}.doc-card details{border-bottom:1px solid var(--border);padding:16px 0}.doc-card summary{cursor:pointer;font-weight:600}.doc-title{font-size:30px;letter-spacing:-.5px;margin:0}.page-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;margin:24px 0}.link-button{display:inline-block;text-decoration:none;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:10px 15px;border-radius:8px;font-size:14px}.link-button:hover{border-color:var(--accent)}.doc-form label{display:block;margin:20px 0 8px;font-weight:600}.doc-form input,.doc-form textarea,.doc-form select{display:block;width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:16px system-ui}.doc-form textarea{min-height:180px;resize:vertical}.doc-form .actions{margin-top:18px}.feedback-output{white-space:pre-wrap;overflow-wrap:anywhere}.site-footer{margin-top:24px;border-top:1px solid var(--border);padding-top:18px}.site-footer a{color:var(--muted);margin-right:16px}.doc-card code{font-family:ui-monospace,monospace}@media(max-width:800px){.doc-card{padding:20px}.site-nav{width:100%}.doc-title{font-size:26px}}

/* Header and navigation: separate space for the brand, menu, and theme control. */
header{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;column-gap:24px;row-gap:16px}
header .brand{min-width:0;gap:12px}
header .brand>div{min-width:0}
header .logo{flex:0 0 auto}
header h1{line-height:1.3}
header .sub{line-height:1.5;white-space:normal;overflow-wrap:anywhere}
header .site-nav{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;width:auto;min-width:0}
header .site-nav a{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;white-space:nowrap;line-height:1.5;min-height:44px;padding:10px 14px}
header #theme{white-space:nowrap;line-height:1.5;min-height:44px}
@media(max-width:1100px){
 header{grid-template-columns:minmax(0,1fr) auto;column-gap:16px}
 header .brand{grid-column:1;grid-row:1}
 header #theme{grid-column:2;grid-row:1}
 header .site-nav{grid-column:1/-1;grid-row:2;justify-content:flex-start;padding-top:12px;border-top:1px solid var(--border)}
}
@media(max-width:480px){
 header{padding:14px;gap:12px}
 header .site-nav{gap:6px}
 header .site-nav a{padding:9px 11px;font-size:14px}
 header .sub{font-size:13px}
 header #theme{padding:9px 10px}
}



/* Searchable feature guide */

.guide-search{position:sticky;top:0;z-index:5;padding:18px;margin-top:20px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 4px 12px #0001}.guide-search label{display:block;font-size:16px;font-weight:600;margin-bottom:8px}.guide-search-controls{display:flex;gap:10px;align-items:center}.guide-search input{flex:1;min-width:0;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:16px system-ui}.guide-search input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.guide-search button{min-height:44px;white-space:nowrap}.guide-search p{font-size:14px;margin:10px 0 0;color:var(--muted)}.guide-section+ .guide-section{border-top:1px solid var(--border);margin-top:24px;padding-top:24px}.guide-section h2{margin-top:0}.guide-section mark{background:#ffdc65;color:#242424;padding:0 1px;border-radius:2px}@media(max-width:480px){.guide-search{padding:14px}.guide-search-controls{flex-wrap:wrap}.guide-search input{flex-basis:100%}}