:root{font-family:Inter,Arial,sans-serif;color:#e6f3f1;background:#091312;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0,#17413b80,transparent 60%);min-height:100vh}main{max-width:1040px;margin:auto;padding:36px 28px}header{display:flex;justify-content:space-between;align-items:center;gap:20px}header a{text-decoration:none;color:inherit;font-size:36px;font-weight:800;letter-spacing:-2px}header a span{color:#73dbc4}small{display:block;font-size:10px;letter-spacing:2px;font-weight:500;margin-top:4px}select{background:#102522;color:#d8e9e5;border:1px solid #34514b;border-radius:8px;padding:10px}section{max-width:490px;margin:76px auto 54px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#73dbc4}h1{font-size:clamp(30px,5vw,42px);line-height:1.12;letter-spacing:-1.5px;margin:18px 0}.intro{color:#adc4be;line-height:1.65;margin:0 0 30px}label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}input{width:100%;background:#10201e;border:1px solid #42635a;border-radius:8px;font-size:16px;color:#fff;min-height:50px;padding:12px;margin-bottom:18px}input:focus-visible,button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid #a3fce1;outline-offset:3px}button{width:100%;min-height:48px;border:0;border-radius:8px;background:#85e7cc;color:#10231d;font-size:15px;font-weight:700;cursor:pointer}button:disabled{opacity:.55;cursor:wait}#restart{background:transparent;color:#91dfca;margin-top:8px}#code{letter-spacing:.35em}#code-hint{font-size:13px;color:#adc4be;margin:0 0 18px}#status{font-size:14px;line-height:1.6;color:#b7e9d8}aside{margin-top:30px;border-top:1px solid #2b443e;padding-top:24px;font-size:14px;line-height:1.6}aside p,footer{color:#96b0a7}aside a{color:#91dfca}footer{text-align:center;font-size:12px;line-height:1.5}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:600px){main{padding:24px 20px}section{margin:52px auto 36px}header a{font-size:30px}}

button.is-loading::before{content:"";display:inline-block;width:14px;height:14px;margin-right:10px;vertical-align:-2px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:login-spin .8s linear infinite}@keyframes login-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){button.is-loading::before{animation:none}}