:root{--bg:#05070a;--panel:#0b0f14;--line:rgba(255,255,255,.09);--text:#f4f6f8;--muted:#95a1ab;--red:#ff4e60;--green:#55d49a;--amber:#f2b95b}*{box-sizing:border-box}body{min-height:100vh;margin:0;color:var(--text);background:radial-gradient(circle at 15% 0,rgba(255,78,96,.08),transparent 30%),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif}header{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px max(20px,calc((100vw - 1050px)/2));border-bottom:1px solid var(--line);background:rgba(5,7,10,.9);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;letter-spacing:.105em;font-weight:900}.brand img{width:42px;height:42px;object-fit:contain;border-radius:12px}.brand b{color:var(--red)}.tool-link{padding:9px 12px;border:1px solid rgba(255,78,96,.22);border-radius:10px;color:#ff8792;background:rgba(255,78,96,.05);font-size:10px;font-weight:850;text-decoration:none}main{width:min(1050px,94vw);margin:0 auto;padding:52px 0 70px}.intro{max-width:760px;margin:0 auto 28px;text-align:center}.intro>span,.test-heading>div>span{color:var(--red);font-size:10px;font-weight:900;letter-spacing:.17em}.intro h1{margin:9px 0 12px;font-size:clamp(42px,6vw,68px);line-height:.98;letter-spacing:-.045em;text-wrap:balance}.intro p{max-width:640px;margin:0 auto;color:var(--muted);font-size:14px;line-height:1.5;text-wrap:pretty}.test-card,.next-steps{padding:28px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.012)),var(--panel)}.test-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.test-heading h2,.next-steps h2{margin:7px 0 0;font-size:clamp(26px,3vw,38px);line-height:1.05}.test-heading button{min-height:46px;padding:0 18px;border:0;border-radius:12px;color:#fff;background:linear-gradient(145deg,#ff5968,#c51e34);cursor:pointer;font-size:11px;font-weight:900}.test-heading button:disabled{opacity:.55;cursor:wait}.checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:24px}.checks article{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;min-height:64px;padding:11px 13px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.018)}.checks i{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;color:#8b96a0;background:rgba(255,255,255,.05);font-size:10px;font-style:normal;font-weight:900}.checks b,.checks span{display:block}.checks b{font-size:11px}.checks span{margin-top:4px;color:#78848e;font-size:9px}.checks article.pass{border-color:rgba(85,212,154,.22);background:rgba(85,212,154,.035)}.checks article.pass i{color:#08130e;background:var(--green)}.checks article.pass span{color:#9edbbd}.checks article.fail{border-color:rgba(255,78,96,.26);background:rgba(255,78,96,.04)}.checks article.fail i{color:#fff;background:var(--red)}.checks article.fail span{color:#ffabb3}.checks article.running i{color:#1b1305;background:var(--amber)}.result{margin-top:16px;padding:13px 15px;border:1px solid var(--line);border-radius:12px;color:#bac3ca;background:rgba(255,255,255,.02);font-size:11px;line-height:1.45}.result[hidden],.limits[hidden]{display:none!important}.result.success{border-color:rgba(85,212,154,.25);color:#a9e8c9;background:rgba(85,212,154,.05)}.result.error{border-color:rgba(255,78,96,.28);color:#ffb0b8;background:rgba(255,78,96,.055)}.limits{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:14px}.limits div{padding:13px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.018)}.limits span,.limits strong{display:block}.limits span{color:#7f8a94;font-size:9px}.limits strong{margin-top:5px;color:#f3f5f7;font-size:17px}.next-steps{margin-top:16px}.next-steps p{max-width:780px;margin:9px 0 0;color:var(--muted);font-size:11.5px;line-height:1.5;text-wrap:pretty}@media(max-width:650px){.checks{grid-template-columns:1fr}.test-heading{align-items:flex-start;flex-direction:column}.test-heading button{width:100%}.limits{grid-template-columns:1fr}}