:root{--bg:#10191c;--panel:#172328;--panel2:#1e2d32;--line:#304348;--text:#ecf2ea;--muted:#9fb2ae;--green:#9ce3bb;--amber:#e8bb7e;--red:#ed9d92}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 'Helvetica Neue',Helvetica,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}em{font-family:Georgia,serif;font-weight:400;font-style:italic;color:var(--green)}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:30px;padding:0 5%}.brand{font-size:24px;font-weight:700;letter-spacing:-.055em}.brand-icon{font:700 16px/1 monospace;background:var(--green);color:var(--bg);padding:10px 8px;border-radius:6px;margin-right:8px}.period{color:var(--green)}.top-meta,.local,.hero-rule,.overline,.explainer article>span,footer{font:11px/1.4 monospace;letter-spacing:.11em}.top-meta{color:#8fa7a1}.local{margin-left:auto;color:var(--green)}.local i{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:8px}
.hero,.tool,.explainer,.faq{max-width:1300px;margin:auto}.hero{padding:80px 5% 92px}.hero-rule{display:flex;justify-content:space-between;color:var(--green);padding-bottom:14px;border-bottom:1px solid var(--line)}h1{font-family:Georgia,serif;font-size:clamp(48px,7vw,104px);font-weight:400;line-height:1.06;letter-spacing:-.06em;margin:58px 0 20px}.hero-bottom{display:flex;align-items:end;justify-content:space-between;gap:30px}.hero-bottom p{font-size:18px;color:var(--muted);max-width:555px;line-height:1.65;margin-bottom:0}.bracket-art{display:flex;align-items:center;gap:14px;font:70px/1 Georgia,serif;color:#4f6f69;white-space:nowrap}.bracket-art b{font:50px Georgia,serif;color:var(--amber);font-weight:400}
.tool{background:var(--panel);border:1px solid var(--line);margin-bottom:110px}.tool-head{display:flex;justify-content:space-between;align-items:end;padding:34px 40px 20px;gap:20px}.overline{color:var(--green);margin-bottom:8px}.tool h2,.explainer h2,.faq h2{font:400 clamp(30px,3.4vw,48px)/1.15 Georgia,serif;letter-spacing:-.04em;margin:0}.sample,.editor-head button,.upload{border:1px solid var(--line);background:transparent;color:var(--text);padding:9px 12px;font-size:12px}.sample:hover,.editor-head button:hover,.upload:hover{border-color:var(--green);color:var(--green)}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.editor{min-width:0;background:var(--panel)}.editor-head{height:56px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:12px}.editor-head>label{font:12px monospace;color:var(--green)}.editor-head>div{display:flex;gap:8px;align-items:center}.upload{display:inline-flex;align-items:center;cursor:pointer}.upload input{display:none}textarea{display:block;width:100%;height:360px;background:#0e171a;color:#d5e9da;border:0;border-top:1px solid var(--line);padding:24px;resize:vertical;font:13px/1.65 'SFMono-Regular',Consolas,monospace;tab-size:2}textarea::placeholder{color:#5e7771}.error{min-height:28px;margin:0;padding:6px 22px;color:var(--red);font-size:12px}.tool-actions{padding:24px 40px;display:flex;align-items:center;justify-content:space-between;gap:25px}.toggle{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:14px;font-weight:700}.toggle input{accent-color:var(--green);width:18px;height:18px}.toggle span{display:flex;flex-direction:column}.toggle small{font-size:11px;font-weight:400;color:var(--muted)}.primary{border:0;background:var(--green);color:#11241b;font-weight:700;min-width:198px;padding:14px 18px;display:flex;justify-content:space-between;gap:20px}.primary:hover{background:#b9f2d0}.result{border-top:1px solid var(--line);padding:32px 40px}.result-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.result h3{font:400 31px Georgia,serif;margin-bottom:0}.download{background:transparent;border:1px solid var(--green);color:var(--green);padding:11px 14px;font-size:12px}.download:hover{background:var(--green);color:var(--bg)}.counts{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.counts span{background:#23383a;border:1px solid #355450;padding:8px 11px;color:#b9d6c4;font:12px monospace}.changes{display:grid;gap:10px;max-height:600px;overflow:auto}.change{border:1px solid var(--line);background:#122024;padding:15px}.change-top{display:flex;align-items:center;gap:13px;margin-bottom:12px}.badge{border-radius:2px;font:11px monospace;text-transform:uppercase;letter-spacing:.08em;padding:5px 7px;background:#42604e;color:#d8f4e3}.change.added .badge{background:#2a5e46}.change.removed .badge{background:#68483e}.change.changed .badge{background:#66583d}.change-top code{font:12px monospace;color:var(--amber);overflow-wrap:anywhere}.values{display:grid;grid-template-columns:1fr 1fr;gap:8px}.values>div{min-width:0;background:#0d181b;padding:10px}.values small{color:#8fa7a1;font:10px monospace;text-transform:uppercase}.values pre{white-space:pre-wrap;overflow-wrap:anywhere;color:#d4e1d8;font:12px/1.5 monospace;margin:8px 0 0}.empty{color:var(--muted);padding:18px;border:1px solid var(--line)}.status{padding:0 40px 22px;margin:0;color:var(--muted);font-size:12px}
.explainer,.faq{padding:0 5%;display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;margin-bottom:115px}.explainer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.explainer article{border-top:1px solid #55736c;padding-top:15px}.explainer article>span{color:var(--green)}.explainer h3{font-size:17px;margin:20px 0 7px}.explainer p,.faq p{color:var(--muted);font-size:13px;line-height:1.7}.explainer code{color:var(--green);overflow-wrap:anywhere}.faq>div:last-child{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{list-style:none;cursor:pointer;font-weight:700;display:flex;justify-content:space-between;gap:15px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';color:var(--green);font-size:22px;line-height:1}.faq details[open] summary:after{content:'−'}.faq p{margin:12px 35px 0 0}footer{border-top:1px solid var(--line);padding:28px 5%;display:flex;justify-content:space-between;gap:20px;color:#87a09a}footer span:first-child{font:700 20px sans-serif;letter-spacing:-.05em;color:var(--text)}
@media(max-width:900px){.explainer,.faq{grid-template-columns:1fr;gap:25px}.bracket-art{display:none}}@media(max-width:680px){.topbar{height:66px}.top-meta{display:none}.local{font-size:0}.local i{margin:0}.hero{padding:58px 5% 65px}.hero-rule span:last-child{display:none}h1{font-size:clamp(47px,11vw,68px);margin-top:43px}.hero-bottom p{font-size:16px}.tool{margin-left:3%;margin-right:3%;margin-bottom:75px}.tool-head{padding:25px 22px 20px;align-items:start}.sample{font-size:11px}.editor-grid{grid-template-columns:1fr}.editor-grid .editor+.editor{border-top:1px solid var(--line)}textarea{height:260px}.tool-actions{padding:23px;align-items:stretch;flex-direction:column}.primary{width:100%}.result{padding:26px 22px}.result-head{align-items:start;flex-direction:column}.status{padding:0 22px 22px}.explainer-grid{grid-template-columns:1fr}.explainer,.faq{margin-bottom:80px}.values{grid-template-columns:1fr}footer{flex-wrap:wrap}}