:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#30205a55,transparent 35%),#090d18;color:#f4f7ff;font-family:Inter,system-ui}main{min-height:100vh;display:grid;place-items:center;padding:20px}.gate{width:min(430px,100%);padding:34px;text-align:center;background:#131927;border:1px solid #293247;border-radius:22px;box-shadow:0 24px 70px #0006}.gate img{width:72px;border-radius:18px}.gate>b{display:block;margin-top:18px;color:#9b7cff;font-size:11px;letter-spacing:1.5px}.gate p{color:#a7b0c5}.gate input,.gate button{width:100%;padding:13px;border-radius:11px;font:inherit}.gate input{margin-top:15px;border:1px solid #293247;background:#0f1523;color:#fff;text-align:center}.gate button{margin-top:10px;border:0;background:linear-gradient(135deg,#4f7cff,#8a5cff);color:#fff;font-weight:800}#error{min-height:20px;margin-top:12px;color:#ff9caf}