:root{--bg:#0a1020;--panel:#111a2e;--panel2:#0d1628;--line:#283856;--text:#eef4ff;--muted:#9cadca;--cyan:#62e6ff;--violet:#9a8cff;--red:#ff7788;--amber:#ffc96b;--green:#78e6ad;font-family:Inter,ui-sans-serif,system-ui,sans-serif;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 75% 0,#20245a 0,transparent 31rem),var(--bg);line-height:1.6}a{color:inherit}button,input,textarea{font:inherit}button{cursor:pointer}header,main,footer{width:min(1120px,calc(100% - 32px));margin:auto}header{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(98,230,255,.15)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}.brand span{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--cyan);border-radius:50%;color:var(--cyan)}nav{display:flex;gap:25px}nav a,footer a{color:var(--muted);text-decoration:none;font-size:.86rem}.hero{padding:95px 0 60px;max-width:940px}.kicker{color:var(--cyan);font-size:.72rem;font-weight:850;letter-spacing:.18em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(3rem,7vw,6.2rem);line-height:.98;letter-spacing:-.06em;margin:18px 0 28px}h1 em{font-style:normal;color:var(--cyan)}.hero>p:last-of-type{max-width:750px;color:#becae1;font-size:1.18rem}.chips{display:flex;gap:9px;flex-wrap:wrap}.chips span{border:1px solid var(--line);border-radius:99px;padding:6px 11px;color:var(--muted);font-size:.76rem}.tool{padding:28px;margin-bottom:100px;background:rgba(17,26,46,.96);border:1px solid #385079;border-radius:16px;box-shadow:0 25px 70px #03071480}.tool-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.tool h2{font-size:2.2rem;margin:0 0 18px}.ghost{border:1px solid var(--line);background:transparent;color:var(--cyan);padding:8px 12px;border-radius:7px}label{display:block;color:var(--muted);font-size:.78rem;font-weight:700}input,textarea{width:100%;border:1px solid var(--line);background:#080f1e;color:#dfeaff;border-radius:8px;outline:0}input{padding:12px 14px;margin:6px 0 16px}input:focus,textarea:focus{border-color:var(--cyan)}.editors{display:grid;grid-template-columns:1fr 1fr;gap:14px}.editors label{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--panel2)}.editors label>span,.editors small{display:inline-block;padding:10px 12px}.editors small{float:right;color:#6f82a6;font-weight:400}.editors textarea{display:block;min-height:310px;resize:vertical;border:0;border-top:1px solid var(--line);border-radius:0;padding:16px;font:12px/1.6 ui-monospace,SFMono-Regular,monospace}.primary{width:100%;margin-top:14px;border:0;border-radius:8px;padding:14px;background:linear-gradient(90deg,var(--cyan),#7caaff);color:#071122;font-weight:850}.primary kbd{margin-left:12px;border:1px solid #15325766;padding:2px 5px;border-radius:4px}.report{margin-top:14px;padding:18px;border:1px solid var(--line);background:#090f1c;border-radius:9px}.report.empty{color:var(--muted)}.score{display:flex;align-items:center;gap:17px;padding-bottom:14px;border-bottom:1px solid var(--line)}.score strong{font-size:2.5rem;color:var(--green)}.score.warn strong{color:var(--amber)}.score.bad strong{color:var(--red)}.issue{padding:13px 0;border-bottom:1px solid #1e2d47}.issue:last-child{border:0}.issue b{display:inline-block;margin-right:8px;font-size:.65rem;padding:2px 7px;border-radius:99px}.error b{background:#ff778822;color:#ff9aa7}.warning b{background:#ffc96b22;color:var(--amber)}.pass b{background:#78e6ad22;color:var(--green)}.issue h4{display:inline;margin:0}.issue p{margin:5px 0 0;color:var(--muted);font-size:.82rem}.grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-bottom:110px}.grid article{padding:24px;min-height:250px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.grid b{color:#607395;font:12px ui-monospace,monospace}.grid h3{margin-top:48px}.grid p,.content p,.content li{color:var(--muted);font-size:.9rem}.content{max-width:900px;margin-bottom:90px}.content h2,.article h1{font-size:clamp(2.5rem,5vw,4.4rem);line-height:1.05;letter-spacing:-.045em}.split{display:grid;grid-template-columns:1fr 1fr;gap:15px}.split>div{padding:22px;border:1px solid var(--line);background:var(--panel)}.links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:100px}.links a{display:flex;min-height:130px;flex-direction:column;justify-content:space-between;padding:20px;border:1px solid var(--line);background:var(--panel);text-decoration:none}.links span{color:var(--cyan);font-size:.8rem}.article{max-width:860px;padding:80px 0 110px}.article .lede{font-size:1.2rem;color:#bfcae0}.article article h2{margin-top:48px;font-size:2rem}.article article p,.article article li{color:var(--muted)}pre{padding:17px;overflow:auto;background:#070d19;border:1px solid var(--line);color:#b8eaf4}.callout{border-left:3px solid var(--cyan);background:var(--panel);padding:15px 18px}.cta{margin-top:45px;padding:25px;border:1px solid var(--cyan)}.cta a{color:var(--cyan);font-weight:800}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:35px 0 55px}footer div{display:flex;gap:18px}
@media(max-width:800px){nav{display:none}.editors,.split{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.links{grid-template-columns:1fr}.hero{padding-top:65px}}@media(max-width:520px){header,main,footer{width:calc(100% - 22px)}h1{font-size:3rem}.tool{padding:12px}.tool-head{align-items:flex-start;flex-direction:column;margin-bottom:14px}.editors label>span,.editors small{display:block;float:none;padding-bottom:2px}.grid{grid-template-columns:1fr}footer{flex-direction:column;gap:20px}}