:root{--bg:#f8fafc;--bg-card:#ffffff;--bg-code:#0f172a;--border:#e2e8f0;--text:#0f172a;--text-muted:#64748b;--primary:#6366f1;--primary-hover:#4f46e5;--danger:#ef4444;--shadow:0 1px 3px rgba(0,0,0,.07), 0 4px 12px rgba(0,0,0,.04);--radius:1.25rem}.jsonpath-theme{font-family:'Inter',sans-serif;color:var(--text);background:var(--bg);padding:1.5rem;max-width:1400px;margin:0 auto}.text-center{text-align:center}.text-3xl{font-size:1.875rem;font-weight:800}.text-muted{color:var(--text-muted)}.text-danger{color:var(--danger)}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-8{margin-top:2rem}.mb-8{margin-bottom:2rem}.app-layout{display:grid;grid-template-columns:1fr 300px 1fr;gap:1.5rem;align-items:start}@media (max-width:1100px){.app-layout{grid-template-columns:1fr}}.pane-col{display:flex;flex-direction:column}.pane-header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:var(--bg-card);border:1px solid var(--border);border-bottom:none;border-radius:var(--radius) var(--radius) 0 0}.pane-title{font-size:.85rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.pane-tools{display:flex;gap:.5rem}.main-textarea{width:100%;height:480px;padding:1.25rem;background:#fff;border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);font-family:var(--font-mono);font-size:.85rem;line-height:1.6;resize:none;outline:none;transition:border-color .2s}.main-textarea:focus{border-color:var(--primary)}.output-pre{margin:0;height:480px;padding:1.25rem;background:var(--bg-code);border-radius:0 0 var(--radius) var(--radius);overflow:auto}#output-code{color:#e2e8f0;font-size:.85rem;line-height:1.6;white-space:pre}.options-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.error-msg{margin-top:.5rem;padding:.75rem;background:#fee2e2;color:var(--danger);font-size:.8rem;border-radius:.5rem;border:1px solid #fecaca;font-weight:700}.btn{display:inline-flex;align-items:center;gap:.25rem;padding:.45rem .85rem;border-radius:.5rem;font-weight:700;font-size:.75rem;cursor:pointer;border:none;transition:all .2s}.btn-xs{padding:.25rem .5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{background:#fff0;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{background:#f1f5f9}.btn-ghost{background:#fff0;color:var(--text-muted)}.btn-ghost:hover{background:#f1f5f9;color:var(--text)}.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(100px);background:#1e293b;color:#fff;padding:.75rem 1.5rem;border-radius:2rem;font-size:.875rem;font-weight:600;transition:all .3s;z-index:1000;opacity:0}.toast.show{transform:translateX(-50%) translateY(0);opacity:1}.jk{color:#818cf8}.js{color:#34d399}.jn{color:#fbbf24}.jb{color:#f472b6}