body{font-family:system-ui,sans-serif;background:#f3f4f6;display:flex;justify-content:center;padding-top:10vh;margin:0}
.card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 2px 12px #0001;width:320px}
h1{margin-top:0;font-size:1.4rem}
label{display:block;margin:1rem 0 .3rem;font-size:.9rem}
input{width:100%;padding:.6rem;border:1px solid #ccc;border-radius:6px;box-sizing:border-box}
button{width:100%;margin-top:1.2rem;padding:.7rem;border:0;border-radius:6px;background:#2563eb;color:#fff;font-size:1rem;cursor:pointer}
button.secondary{background:#6b7280}
.err{color:#b91c1c;min-height:1.2em;margin-top:.8rem;font-size:.9rem}
p.alt{text-align:center;font-size:.9rem}