:root{--bg:#0d1117;--panel:#161b22;--panel-2:#11161d;--border:#232b36;--text:#e6edf3;--muted:#8b98a5;--julia-purple:#9558b2;--julia-red:#cb3c33;--julia-green:#389826}*{box-sizing:border-box}html,body{background:radial-gradient(1200px 600px at 15% -10%, #9558b22e, transparent 60%), radial-gradient(1000px 500px at 85% -10%, #38982624, transparent 60%), var(--bg);color:var(--text);min-height:100vh;margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}header{text-align:center;max-width:1280px;margin:0 auto;padding:48px 24px 8px}h1{align-items:center;gap:10px;margin:0 0 12px;font-size:clamp(1.6rem,3.5vw,2.6rem);display:inline-flex}h1 code{background:linear-gradient(90deg, var(--julia-red), var(--julia-purple), var(--julia-green));color:#0000;-webkit-background-clip:text;background-clip:text;font-family:SF 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code{color:var(--text);font-family:SF Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.pane-titles p{color:var(--muted);margin:2px 0 0;font-size:.8rem}.badge{letter-spacing:.08em;white-space:nowrap;border-radius:999px;padding:4px 9px;font-size:.7rem;font-weight:700}.badge-new{background:linear-gradient(90deg, var(--julia-purple), var(--julia-green));color:#fff}.badge-old{color:#9fb0bd;background:#2b333d;border:1px solid #3a444f}.editor{overflow:visible}.cm-editor{background:0 0;font-size:13.5px}.cm-editor .cm-scroller{font-family:SF Mono,JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.6}.cm-editor .cm-gutters{border-right:1px solid var(--border);color:#505b66;background:0 0}.cm-editor .cm-activeLineGutter{color:#c7b3da;background:#9558b21f}.cm-editor .cm-activeLine{background:#ffffff08}.cm-editor.cm-focused{outline:none}.cm-editor .cm-content{caret-color:#fff}.cm-editor .cm-cursor{border-left-color:#fff}.cm-editor .cm-matchingBracket{background:#9558b259;outline:1px solid #9558b299;color:inherit!important}footer{text-align:center;max-width:1000px;color:var(--muted);margin:0 auto;padding:8px 24px 56px;font-size:.9rem;line-height:1.6}footer code{color:#c7b3da;font-family:SF Mono,ui-monospace,monospace}.tree-details{max-width:1280px;margin:0 auto;padding:0 24px 64px}.tree-details>summary{cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);-webkit-user-select:none;user-select:none;border-radius:10px;align-items:center;gap:10px;padding:10px 16px;font-size:.92rem;list-style:none;transition:border-color .15s,background .15s;display:inline-flex}.tree-details>summary::-webkit-details-marker{display:none}.tree-caret{border-style:solid;border-width:5px 0 5px 7px;border-color:transparent transparent transparent var(--muted);flex:none;width:0;height:0;transition:transform .15s}.tree-details>summary:hover .tree-caret{border-left-color:#c7b3da}.tree-details[open]>summary .tree-caret{transform:rotate(90deg)}.tree-details>summary:hover{background:var(--panel-2);border-color:#9558b299}.tree-summary-label{font-weight:600}.tree-summary-hint{color:var(--muted);font-size:.82rem}.tree-summary-hint code{color:#c7b3da;font-family:SF Mono,ui-monospace,monospace}.tree-box{border:1px solid var(--border);background:var(--panel-2);border-radius:12px;margin-top:12px;position:relative;overflow:hidden}.copy-btn{z-index:1;color:#cdd9e5;letter-spacing:.03em;cursor:pointer;background:#2b333d;border:1px solid #3a444f;border-radius:999px;padding:6px 14px;font-size:.78rem;font-weight:600;transition:background .15s,color .15s,border-color .15s;position:absolute;top:10px;right:10px}.copy-btn:hover{color:#fff;background:#36404c}.copy-btn.copied{background:linear-gradient(90deg, var(--julia-purple), var(--julia-green));color:#fff;border-color:#0000}.tree-output{cursor:copy;color:#b8c4cf;white-space:pre;tab-size:2;max-height:460px;margin:0;padding:18px 18px 18px 20px;font-family:SF Mono,JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.55;overflow:auto}.tree-output::selection{background:#9558b266}.tree-output ::selection{background:#9558b266}.tree-output .tok-node{color:#c792ea;font-weight:600}.tree-output .tok-token{color:#ff79c6}.tree-output .tok-text{color:#c3e88d}.tree-output .tok-pos{color:#5b6b76}