*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#0b1020;color:#e9eef9}
a{color:#8cc4ff;text-decoration:none}
.container{max-width:920px;margin:0 auto;padding:20px}
header{padding:40px 20px 10px}
h1{margin:0;font-size:34px} .subtitle{opacity:.8;margin-top:6px}
.card{background:#121936;border:1px solid #243059;border-radius:14px;padding:18px 18px}
.card+.card{margin-top:18px}
.muted{background:#0f1530}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
input,textarea,select{width:100%;padding:12px 12px;border-radius:10px;border:1px solid #2b3a6a;background:#0b132b;color:#e9eef9}
input::placeholder, textarea::placeholder{color:#9fb0d5}
label span{font-size:14px;opacity:.9}
.btn{grid-column:1/-1;background:#6b9cff;border:none;color:#0b1020;font-weight:700;padding:12px 16px;border-radius:12px;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.small{opacity:.7}
.center{display:grid;min-height:100vh;place-items:center}
.foot{opacity:.7;text-align:center}
@media (max-width:640px){.grid{grid-template-columns:1fr}}