:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,sans-serif;background:#071525;color:#f7f4ed}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 75% 15%,#15375a 0,transparent 36%),#071525}
.auth-shell{width:min(100%,560px);padding:48px;border:1px solid #31506e;border-radius:18px;background:#0b1c30;box-shadow:0 30px 80px #0008}
.eyebrow{margin:0 0 20px;color:#7db7e8;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
h1{margin:0 0 18px;font-family:Georgia,serif;font-size:clamp(2rem,6vw,3.3rem);font-weight:500;line-height:1.05}p,li{color:#cbd7e3;line-height:1.6}a{color:#a8d4f7}
.primary,button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;margin-top:14px;padding:0 22px;border:0;border-radius:8px;background:#dcecff;color:#071525;font:inherit;font-weight:750;text-decoration:none;cursor:pointer}
.links{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid #2d4660}.links a{font-weight:650}
label{display:block;margin:26px 0 8px;font-weight:700}input{width:100%;min-height:48px;padding:0 14px;border:1px solid #55718d;border-radius:8px;background:#071525;color:#fff;font:inherit}input:focus{outline:3px solid #77b9ef;outline-offset:2px}
@media(max-width:600px){.auth-shell{padding:30px 24px}}