:root{--navy:#0b3d7a;--blue:#136ec3;--ink:#0f1f3d;--muted:#5b6b82;--line:#d6e0ec;--bg:#eef3f9;--err:#b42318}
*{box-sizing:border-box}
html,body{margin:0}
body{font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:linear-gradient(160deg,#0b3d7a 0%,#0a2a55 55%,#071c3a 100%);min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.card{width:100%;max-width:440px;background:#fff;border-radius:16px;padding:32px 28px 22px;box-shadow:0 24px 60px rgba(4,20,48,.35);text-align:center}
.logo{display:block;margin:0 auto 18px;width:214px;max-width:80%;height:auto}
h1{font-size:26px;line-height:1.2;margin:0 0 6px;color:var(--navy)}
.lead{margin:0 0 22px;color:var(--muted)}
form{display:flex;flex-direction:column;gap:14px;text-align:left}
.age{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;background:#f8fbff}
.age:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(19,110,195,.18)}
.age input{width:22px;height:22px;margin:1px 0 0;accent-color:var(--blue);flex:none}
.widget{min-height:65px;display:flex;justify-content:center}
.widget[hidden]{display:none}
.widget>*{width:100%}
.status{margin:0;min-height:1.4em;font-size:14px;color:var(--muted);text-align:center}
.status.error{color:var(--err)}
.status:empty{display:none}
button{appearance:none;border:0;border-radius:11px;padding:14px 18px;font:600 16px/1 inherit;font-family:inherit;color:#fff;background:var(--blue);cursor:pointer}
button:hover:not(:disabled){background:#0f5ea8}
button:focus-visible{outline:3px solid rgba(19,110,195,.4);outline-offset:2px}
button:disabled{background:#aeb7c3;cursor:not-allowed}
.leave{align-self:center;font-size:14px;color:var(--muted)}
.fine{margin:20px 0 8px;font-size:12px;color:var(--muted)}
footer{display:flex;gap:8px;justify-content:center;font-size:13px}
footer a{color:var(--navy)}
@media (max-width:420px){.card{padding:26px 18px 18px;border-radius:14px}h1{font-size:23px}}