:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.container{max-width:700px;margin:2rem auto;padding:0 1rem;font-family:sans-serif}h2{margin-bottom:1.5rem}.input-row{gap:8px;margin-bottom:10px;display:flex}.input-row input{flex:1;padding:8px 12px;font-family:monospace;font-size:16px}.input-row button{cursor:pointer;padding:8px 20px}.examples{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:24px;display:flex}.examples span{color:#888;font-size:13px}.examples button{cursor:pointer;padding:3px 10px;font-family:monospace;font-size:12px}.error-box{color:#a32d2d;background:#fcebeb;border:1px solid #e24b4a;border-radius:8px;margin-bottom:20px;padding:10px 14px;font-size:14px}.result-box{background:#e1f5ee;border-left:3px solid #1d9e75;border-radius:6px;align-items:baseline;gap:10px;margin-bottom:24px;padding:10px 16px;display:flex}.result-box .label{color:#0f6e56;font-size:13px}.result-box .value{font-family:monospace;font-size:26px;font-weight:500}.tokens-section{margin-bottom:24px}.tokens-section .section-label{color:#888;margin-bottom:8px;font-size:12px}.tokens-list{flex-wrap:wrap;gap:6px;display:flex}.token{border-radius:5px;padding:3px 10px;font-family:monospace;font-size:13px;display:inline-block}.token-number{color:#06b91e;background:#e1f5ee;border:1px solid #06b91e}.token-op{color:#0a26c4;background:#eeedfe;border:1px solid #0a26c4}.token-paren{color:#f80;background:#faeeda;border:1px solid #f80}.token-fn{color:#ff00d4;background:#fbeaf0;border:1px solid #00fae5}.tree-section{background:#1a1a2e;border:1px solid #eee;border-radius:10px;padding:16px;overflow-x:auto}.tree-section .section-label{color:#888;margin-bottom:12px;font-size:12px}.node-num{fill:#e1f5ee;stroke:#06b91e}.node-op{fill:#eeedfe;stroke:#0a26c4}.node-fn{fill:#fbeaf0;stroke:#ff00d4}.text-num{fill:#06b91e}.text-op{fill:#0a26c4}.text-fn{fill:#ff00d4}.text-num-sub{fill:#0f6e56}.text-op-sub{fill:#0a26c4}.text-fn-sub{fill:#ff00d4}.tree-edge{stroke:#ccc}