*{box-sizing:border-box}
body{
    margin:0;
    min-height:100vh;
    display:grid;
    place-items:center;
    background:
        radial-gradient(circle at 20% 0,#19374b 0,transparent 35%),
        radial-gradient(circle at 90% 20%,#3b2914 0,transparent 30%),
        #070b11;
    font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:#fff
}
.box{
    width:min(430px,calc(100% - 32px));
    padding:34px;
    border-radius:24px;
    background:rgba(16,22,32,.92);
    border:1px solid rgba(255,255,255,.09);
    box-shadow:0 30px 90px rgba(0,0,0,.45)
}
.brand{display:flex;align-items:center;gap:12px;font-size:13px;color:#65dfbd;font-weight:700;letter-spacing:.08em}.brand img{width:54px;height:54px;object-fit:contain;filter:drop-shadow(0 8px 18px rgba(0,0,0,.35))}
h1{font-size:34px;margin:10px 0 8px}
.desc{color:#8f9bad;margin:0 0 28px}
label{display:block;margin:17px 0 7px;color:#b9c2cf;font-size:14px}
input{
    width:100%;
    height:50px;
    border-radius:12px;
    border:1px solid #273142;
    background:#0b111a;
    color:white;
    padding:0 15px;
    font-size:15px;
    outline:none
}
input:focus{border-color:#e7ad43}
button{
    width:100%;
    height:52px;
    margin-top:24px;
    border:0;
    border-radius:13px;
    background:#e7ad43;
    color:#15100a;
    font-weight:800;
    font-size:15px;
    cursor:pointer
}
.error{
    padding:12px 14px;
    border-radius:10px;
    background:#38191d;
    color:#ffafb7;
    margin-bottom:16px
}
.back{
    display:block;
    text-align:center;
    color:#8995a7;
    margin-top:20px;
    text-decoration:none
}