@font-face{font-family:'DM Sans';src:url('/fonts/dm-sans-var-wght-latin.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:Literata;src:url('/fonts/literata-var-opsz-wght-latin.woff2') format('woff2');font-weight:300 700;font-display:swap}
:root{--cream:#ffedd7;--sand:#f6e0c6;--ink:#100904;--brown:#382416;--taupe:#6c5f51;--orange:#dc5000;--hot:#ff8a4d;--green:#445231;--r:14px;--ease:cubic-bezier(.3,0,.2,1);--px:clamp(18px,3.125vw,60px);--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,monospace;--bg:var(--cream);--panel:#fff3e3;--text:var(--ink);--muted:var(--taupe);--line:#10090433;--soft:var(--sand);--accent:#ad3e00;--value:var(--green);--on-accent:var(--cream);--highlight:#dc500012;--dash:#10090447;color-scheme:light}
html[data-theme=dark]{--bg:var(--ink);--panel:#1b110b;--text:var(--cream);--muted:#cfbca7;--line:#ffedd72e;--soft:#291a10;--accent:var(--hot);--value:#c6d7a0;--on-accent:var(--ink);--highlight:#ff8a4d0c;--dash:#ffedd747;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.55 'DM Sans',system-ui,sans-serif}button,textarea,select{font:inherit;color:inherit}button,select,summary{cursor:pointer}button{border:0}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}a{color:var(--accent)}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{transition:background .15s var(--ease),color .15s var(--ease)}
.top,main{max-width:1660px;margin:auto;padding-left:var(--px);padding-right:var(--px)}.top{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px dashed var(--dash);gap:16px}.brand{display:flex;align-items:center;gap:12px;font:600 25px var(--mono);letter-spacing:-1.2px;color:var(--text);text-decoration:none}.mark{background:var(--orange);color:var(--ink);height:38px;width:34px;display:grid;place-items:center;font:30px var(--mono);clip-path:polygon(0 0,75% 0,100% 25%,100% 100%,25% 100%,0 75%)}.version{font:13px var(--mono);margin-left:6px;letter-spacing:0;color:var(--muted)}.top-right{display:flex;align-items:center;gap:28px}.private{font:13px var(--mono);display:flex;align-items:center;gap:10px;color:var(--muted)}i{display:inline-block;height:6px;width:6px;background:var(--accent);border-radius:50%}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;padding:32px 0 34px}.eyebrow{font:12px var(--mono);letter-spacing:.12em;color:var(--accent);margin:0 0 14px}h1{font:350 clamp(44px,4.4vw,70px)/1.02 Literata,Georgia,serif;letter-spacing:-.055em;margin:0}h1 span{color:var(--orange)}.lede{max-width:315px;font-size:17px;line-height:1.55;color:var(--muted);margin:0 0 4px}
.workspace{display:grid;grid-template-columns:minmax(340px,1fr) minmax(0,1.8fr);gap:24px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--orange);border-radius:var(--r);min-width:0}.input-panel{padding:22px}.output-panel{overflow:hidden}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}h2{margin:0;display:flex;align-items:center;gap:12px;font-size:19px;line-height:1.3;font-weight:500}.step{font:13px var(--mono);color:var(--accent)}.quiet{background:none;font-size:14px;padding:10px 4px;min-height:40px;color:var(--muted);border-radius:5px;white-space:nowrap}.quiet:hover{color:var(--accent)}
.segmented{display:flex;padding:4px;border:1px solid var(--line);border-radius:40px;background:var(--soft);margin-bottom:22px}.segmented button{flex:1;min-height:42px;border-radius:30px;background:none;font-size:15px;padding:8px}.segmented [aria-selected=true]{background:var(--text);color:var(--bg)}
label{display:block;font:12px var(--mono);letter-spacing:.05em;color:var(--muted);margin-bottom:9px}
textarea{width:100%;height:226px;display:block;padding:14px 18px 22px 14px;font:15px/1.8 var(--mono);resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);outline:none}textarea:focus{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:2px}textarea::placeholder{color:var(--muted);opacity:.8}
.input-meta{display:flex;align-items:center;justify-content:space-between;font:12px var(--mono);color:var(--muted);margin-top:3px}.hint{font-size:14px;line-height:1.6;color:var(--muted);margin:12px 0}.input-actions{display:flex;align-items:center;gap:16px;margin:22px 0}.input-actions .hint{font-size:12px;margin:0}.primary{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:var(--orange);color:var(--ink);padding:12px 20px;min-height:46px;border:1px solid var(--orange);border-radius:40px;font-size:15px;font-weight:600;white-space:nowrap}.primary:hover{background:var(--hot);border-color:var(--hot)}
.rules{border-top:1px dashed var(--dash);padding-top:16px;font-size:14px;color:var(--muted);line-height:1.65}.rules summary{color:var(--text);padding:6px 0}.rules p{margin-bottom:0}
.parser-control{border-top:1px dashed var(--dash);padding-top:18px;margin-top:18px}select{display:block;max-width:100%;width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:11px 10px;font-size:15px;min-height:46px}.parser-note{font-size:14px;line-height:1.6;color:var(--muted);margin:10px 0 0}.source-link{font-size:13px;display:inline-block;margin-top:6px}.sim-note{display:block;font-size:12px;color:var(--muted);line-height:1.55;margin-top:6px}
.output-panel>.panel-title{padding:18px 22px;margin:0;min-height:76px}.badge{background:var(--soft);padding:6px 10px;border-radius:20px;font:12px var(--mono);white-space:nowrap;color:var(--muted)}.view-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);min-height:54px}.tabs{display:flex;gap:26px}.tabs button{font-size:15px;background:none;padding:17px 0 13px;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent}.tabs [aria-selected=true]{color:var(--text);border-color:var(--orange)}
.tree-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 22px 4px}.tree-tools>span{font:11px var(--mono);letter-spacing:.03em;color:var(--muted)}#expand-tools{display:flex;gap:12px}.tree-tools button{font-size:13px}
.result{height:410px;overflow:auto;margin:0;padding:12px 22px 22px;scrollbar-color:var(--muted) transparent}.tree,.code{font:15px/1.8 var(--mono)}.branch{padding-left:22px;border-left:1px dashed var(--line);margin-left:5px}.node{margin:4px 0}.node>summary{padding:5px 0;overflow-wrap:anywhere}.node>summary::marker{color:var(--accent);font-size:12px}.node>summary:hover{color:var(--accent)}.key{font-weight:500}.node-count{font-size:12px;color:var(--muted);margin-left:13px}.leaf{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;padding:6px 0}.leaf .key{overflow-wrap:anywhere}.val{color:var(--value);overflow-wrap:anywhere;white-space:pre-wrap}.type{font-size:11px;color:var(--muted);white-space:nowrap}.empty{color:var(--muted);font-style:italic}.code{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--value)}
.changed{background:var(--highlight);border-left:2px solid var(--accent);padding-left:10px}.diff-badge{display:inline-block;margin-left:10px;font:11px var(--mono);color:var(--accent);padding:1px 5px;border:1px solid var(--line);border-radius:4px}.diff-note{padding:12px 22px;font-size:14px;line-height:1.6;background:var(--highlight);border-top:1px dashed var(--dash);color:var(--accent);overflow-wrap:anywhere}
table{width:100%;table-layout:fixed;border-collapse:collapse;font:14px/1.7 var(--mono)}th{font:12px var(--mono);text-align:left;color:var(--muted)}th:first-child{width:59%}td,th{padding:12px 8px;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}td:nth-child(2){color:var(--value)}
.result-footer{display:flex;justify-content:space-between;gap:14px;padding:14px 22px;border-top:1px dashed var(--dash);font:12px var(--mono);color:var(--muted)}#parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;background:var(--soft);padding:16px 22px;border-top:1px dashed var(--dash);font:13px/1.6 var(--mono)}#parts span{display:block;text-transform:uppercase;font-size:11px;color:var(--muted);margin-bottom:3px}#parts div{overflow-wrap:anywhere}#warnings,#error{padding:14px 22px;font-size:14px;line-height:1.6;background:var(--highlight);border-top:1px dashed var(--dash);overflow-wrap:anywhere}#error{color:var(--accent)}h3{font-size:17px;font-weight:500}.build-note{padding:0 22px;font:13px var(--mono);color:var(--muted);margin-top:20px}#build-output .primary{margin:0 22px 20px}.empty-state{text-align:center;padding:76px 0;font:350 26px/1.5 Literata,Georgia,serif;color:var(--muted);max-width:480px;margin:auto}footer{display:flex;justify-content:space-between;gap:24px;padding:26px 0;font-size:13px;color:var(--muted)}#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);max-width:90vw;padding:14px 22px;border-radius:14px;border:1px solid var(--line);background:var(--text);color:var(--bg);font-size:15px;opacity:0;pointer-events:none;transition:opacity .15s}#toast.show{opacity:1}
@media(max-width:1100px){.workspace{grid-template-columns:minmax(315px,1fr) minmax(0,1.4fr);gap:18px}.lede{max-width:265px}.tree-tools>span{display:none}.tabs{gap:18px}.view-bar{padding:0 18px}.panel-title h2{font-size:18px}.input-panel{padding:18px}.input-actions{flex-wrap:wrap}.result-footer{flex-wrap:wrap}}
@media(max-width:760px){.top{height:74px}.brand{font-size:22px}.version{display:none}.private{display:none}.top-right{gap:12px}.intro{display:block;padding:28px 0}.lede{max-width:520px;margin:18px 0 0;font-size:16px}.lede br{display:none}h1{font-size:clamp(43px,7.7vw,65px)}.workspace{display:flex;flex-direction:column;gap:22px}.panel{width:100%}.input-panel{padding:20px}textarea{height:190px;font-size:16px}.result{height:460px}.input-actions{flex-wrap:nowrap}.output-panel>.panel-title{padding:18px}.tree-tools{padding:8px 18px 0}.view-bar{gap:12px}.tabs{gap:19px}.tabs button{font-size:14px}.view-bar .quiet{font-size:13px}.node-count{margin-left:9px;font-size:12px}.branch{padding-left:16px}.result{padding:12px 18px 22px}.type{font-size:11px}.result-footer{padding:14px 18px;font-size:12px}#parts{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px 18px}.badge{font-size:11px;padding:6px 8px}footer{display:block;font-size:13px}footer span{display:block;margin:5px 0}.diff-note{padding:12px 18px}}
@media(max-width:390px){h2{font-size:17px}.output-panel>.panel-title{gap:8px}.step{font-size:12px}.input-actions{gap:12px}.primary{padding:12px 16px;font-size:14px}.tabs{gap:16px}.brand{gap:9px}.view-bar{padding:0 14px}.tabs button{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

#copy{border-left:1px solid var(--line);padding-left:14px;border-radius:0}