:root{--brand:#0061aa;--brand-d:#004d88;--navy:#002643;--ground:#f8f9fb;--surface:#fff;--ink:#1d3554;--ink2:#3d5273;--line:#cfd9e5;--bad-bg:#fef2f2;--bad:#a8232b;--accent:#3a94d6}
*{box-sizing:border-box}
html{font-family:"Segoe UI Variable Display","Segoe UI",system-ui,sans-serif;font-size:17px;line-height:1.55;color:var(--ink);background:var(--ground)}
body{margin:0;min-height:100vh;display:flex;flex-direction:column}
.wrap{width:min(640px,calc(100% - 32px));margin:0 auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;border-radius:8px;z-index:9}
.band{background:var(--navy);color:#fff;padding:18px 0}
.band .wrap{display:flex;align-items:baseline;gap:14px}
.brand{font-size:22px;font-weight:800;letter-spacing:.01em}
.sub{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
main{flex:1;padding:32px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px;box-shadow:0 1px 2px rgba(29,53,84,.06),0 6px 20px rgba(29,53,84,.06)}
h1{margin:0 0 8px;font-size:28px;line-height:1.2}
label{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);margin:18px 0 6px}
input{width:100%;max-width:280px;font:inherit;font-size:34px;font-variant-numeric:tabular-nums;letter-spacing:.12em;text-align:center;padding:10px 12px;border:2px solid var(--line);border-radius:10px;color:var(--ink)}
input:focus{outline:2px solid var(--accent);outline-offset:2px;border-color:var(--accent)}
button{display:block;margin-top:16px;font:inherit;font-weight:700;font-size:18px;color:#fff;background:var(--brand);border:0;border-radius:10px;padding:12px 28px;cursor:pointer;min-height:48px}
button:hover{background:var(--brand-d)}button:disabled{opacity:.6;cursor:wait}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.msg{min-height:1.5em;margin:12px 0 0;font-weight:600}
.msg.bad{background:var(--bad-bg);color:var(--bad);padding:8px 12px;border-radius:8px}
.note{color:var(--ink2);font-size:15px}
.steps{padding-left:22px;line-height:1.7}.steps li{margin-bottom:8px}
a{color:var(--brand-d)}
.foot{padding:20px 0 28px;color:var(--ink2);font-size:14px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}